CN111561832B - A hose heat exchanger and heat exchange system for high viscosity media - Google Patents
A hose heat exchanger and heat exchange system for high viscosity media Download PDFInfo
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- CN111561832B CN111561832B CN202010574439.0A CN202010574439A CN111561832B CN 111561832 B CN111561832 B CN 111561832B CN 202010574439 A CN202010574439 A CN 202010574439A CN 111561832 B CN111561832 B CN 111561832B
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- hose
- temperature
- heat exchanger
- outer tube
- connector body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 46
- 238000007906 compression Methods 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 43
- 239000007921 spray Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000005485 electric heating Methods 0.000 description 14
- 125000004122 cyclic group Chemical group 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000007765 extrusion coating Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
- F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
- F28F9/264—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by sleeves, nipples
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明公开了一种高粘度介质用软管换热器及换热系统，该换热器包括内管和外管，内管和外管同心设置并构成具有环状腔的双层管结构，所述内管和外管均为软管且内管两端分别伸出外管对应端，内管用于高粘度介质流通且内管两端分别为进液口和出液口，环状腔用于换热介质流通，外管通过分别设置在外管两端的紧固机构固定在内管上，以使环状腔两端封闭，两紧固机构上分别设有进水口和出水口，所述进水口和出水口分别与环状腔连通，便于换热介质进入环状腔内与内管内的高粘度介质进行热交换。采用该软管换热器的换热系统，能有效控制高粘度介质的温度，提高机器人喷涂质量。
The present invention discloses a hose heat exchanger and heat exchange system for high-viscosity media, the heat exchanger comprises an inner tube and an outer tube, the inner tube and the outer tube are concentrically arranged and form a double-layer tube structure with an annular cavity, the inner tube and the outer tube are both hoses and the two ends of the inner tube extend out of the corresponding ends of the outer tube respectively, the inner tube is used for the circulation of high-viscosity media and the two ends of the inner tube are respectively a liquid inlet and a liquid outlet, the annular cavity is used for the circulation of heat exchange media, the outer tube is fixed to the inner tube by fastening mechanisms respectively arranged at the two ends of the outer tube so that the two ends of the annular cavity are closed, the two fastening mechanisms are respectively provided with a water inlet and a water outlet, the water inlet and the water outlet are respectively connected to the annular cavity, so that the heat exchange medium enters the annular cavity to exchange heat with the high-viscosity medium in the inner tube. The heat exchange system using the hose heat exchanger can effectively control the temperature of the high-viscosity medium and improve the spraying quality of the robot.
Description
Technical Field
The invention relates to a heat exchanger for conveying fluid, in particular to a hose heat exchanger for high-viscosity medium and a heat exchange system.
Background
The heating hose is often applied to heating and heat preservation in the transportation process of high-viscosity media (such as glue, wax, oil, natural gas, asphalt and the like) in the industries of automobiles, energy sources, chemical industry and the like, wherein the electric heating hose is the most widely used hose heat exchanger at present because of convenient energy source taking and control.
In extrusion coating application of high-viscosity media, at present, robot automatic operation is mainly adopted, the high-viscosity media are conveyed to a spray gun for operation through a conveying pump and a conveying pipe, and in order to meet a gluing track, a conveying pipeline is usually fixedly arranged on each shaft of a robot arm, so that the existing conveying pipeline adopts a hose and needs whole-course temperature control. Especially, the medium with great temperature influence on viscosity requires small radial and axial change of the medium temperature in the pipe in the conveying process, and can realize constant temperature control at different environment temperatures to meet the extrusion coating process requirement.
The technical schemes of the electric heating hose are provided by Chinese patent CN104246345A and Chinese patent CN208546626U, and the main defects exist in combination with other existing schemes:
1. The existing electric heating hose controls the temperature distribution of the high-viscosity medium to be uneven and large temperature overshoot easily occurs in the control process. The existing electric heating hose mainly comprises an inner layer, an electric heating wire, an insulating layer, a protective layer, a temperature sensor, a joint and the like. The inner layer tube of the electric heating tube is generally nylon, polytetrafluoroethylene or other plastics, the inner surface of the inner layer tube is contacted with a heated medium, the outer surface of the inner layer tube is contacted with an electric heating wire, the electric heating wire is generally wound in a spiral mode, and the distance between two adjacent circles of electric heating wires is large, so that the problem that the temperature change of the outer surface of the inner layer of the electric heating tube in the axial direction is large is solved. Meanwhile, as the temperature measuring point of the built-in temperature sensor of the electric heating pipe is directly contacted with the electric heating wire, the temperature difference between the actual temperature and the measured temperature of the medium in the pipe is usually more than 5 ℃, especially the temperature difference is larger in the heating process, and the problem that the medium is deteriorated due to excessive temperature overshoot in the heating process is easily caused.
2. When the external environment temperature is too high, the physical characteristic change of the high-viscosity medium is large, the instability of the glue at the outlet of the glue gun of the robot often occurs, and the unqualified glue coating quality is easily caused, so that the problems of waste, pollution and high manual spot repair rate are brought. At this time, the high-viscosity medium is often required to be cooled, however, the existing high-viscosity medium electric heating hose does not have a cooling function. In addition, because the space of the working station is limited, when the robot performs the gluing operation, the robot always needs to drag the conveying pipeline to move at will, and if the conventional metal tube-in-tube heat exchange equipment is adopted, the conventional metal tube-in-tube heat exchange equipment cannot be installed on a robot arm due to the length and the structural reasons, so that the conventional metal tube-in-tube heat exchange equipment cannot be applied to the gluing process needing whole-course heating.
Therefore, in extrusion coating applications of high viscosity media, it is highly desirable to provide a hose heat exchanger that accommodates the motion of each axis of the robot, allows for constant temperature control of the medium in the tube at different ambient temperatures, and has small radial and axial temperature variations.
Disclosure of Invention
The invention aims to provide a hose heat exchanger for high-viscosity medium and a heat exchange system for high-viscosity medium, which can move along with a robot, do not influence the operation of the robot and can effectively control the use temperature of the high-viscosity medium.
The utility model provides a hose heat exchanger for high viscosity medium, includes inner tube and outer tube, inner tube and outer tube concentric setting and constitute the double-deck tube structure that has the cyclic annular chamber, inner tube and outer tube are the hose and the outer tube corresponds the end with stretching out the outer tube respectively at inner tube both ends, and the inner tube is used for high viscosity medium circulation and inner tube both ends are inlet and liquid outlet respectively, and the cyclic annular chamber is used for the heat transfer medium circulation, and the outer tube is fixed on the inner tube through the fastening mechanism that sets up respectively at outer tube both ends to make cyclic annular chamber both ends seal, be equipped with water inlet and delivery port respectively on two fastening mechanisms, water inlet and delivery port communicate with the cyclic annular chamber respectively, and the heat transfer medium of being convenient for gets into cyclic annular intracavity and the high viscosity medium in the inner tube carries out heat exchange.
The fastening mechanism comprises a connector body, a locking sleeve, a first compression nut, a second compression nut, a sealing assembly and a connector nut, wherein the connector body is sleeved on the inner tube, the water inlet and the water outlet are respectively arranged on the corresponding connector body and are communicated with the annular cavity, the water inlet or the water outlet is used as a boundary, one end of the connector body, which corresponds to the outer tube, is a connecting end, and the other end of the connector body is a sealing end.
The outer ring groove wall of the outer tube installation groove is shorter than the inner ring groove wall of the outer tube installation groove, external threads are arranged on the outer circumference of the corresponding connector body, the connector nut is arranged on the connector body where the connector end is located and fixedly connected with the connector body in a threaded manner, the locking sleeve is arranged between the connector nut and the outer tube, a wedge-shaped structure corresponding to the inner end of the outer tube installation groove is arranged on the locking sleeve towards the sealing end, threads are arranged on the outer circumference of the first compression nut and arranged on the connector body connection end face and between the connector nut and the outer tube, and the first compression nut is fixedly screwed with the connector nut in a threaded manner, so that the locking sleeve is compressed in the outer tube installation groove, and one end of the outer tube is wedged in the outer tube installation groove.
The second compression nut is arranged on the sealing end face of the connector body and is positioned between the connector body and the inner tube, the second compression nut is cylindrical and provided with external threads, an annular bulge corresponding to the sealing groove is arranged at one end of the sealing groove, a groove corresponding to the second compression nut is arranged on the end face of the connector body, threads matched with the external threads of the second compression nut are arranged on the groove, and the second compression nut and the connector body are fixedly connected in a screwed mode while the bulge compresses the sealing assembly in the sealing groove, so that the sealing effect is achieved.
Further, the sealing assembly is formed by alternately arranging a plurality of sealing gaskets and a plurality of O-shaped rings.
Further, a plurality of grooves are formed in the outer end faces of the first compression nut and the second compression nut, and the first compression nut and the second compression nut can be conveniently disassembled and assembled by a special tool.
The heat exchange system for the high-viscosity medium comprises a conveying pump, a conveying hose and a spray gun, wherein one end of the conveying hose is connected with an outlet end of the conveying pump, the other end of the conveying hose is connected with an inlet end of the spray gun, the heat exchange system comprises the hose heat exchanger, a temperature sensor and a controller, the hose heat exchanger is arranged on the conveying hose, so that the conveying hose is divided into a first conveying hose section and a second conveying hose section, one end of the first conveying hose is connected with the outlet end of the conveying pump, the other end of the first conveying hose section is connected with a liquid inlet of the hose heat exchanger, one end of the second conveying hose section is connected with a liquid outlet of the hose heat exchanger, the other end of the second conveying hose section is connected with an inlet end of the spray gun, a water inlet and a water outlet of the hose heat exchange medium are respectively connected with an outlet and an inlet of the constant-temperature water tank, the heat exchange medium is convenient to enter the hose heat exchanger to exchange heat with the high-viscosity medium, the temperature sensor is arranged on the spray gun and used for detecting the temperature of the high-viscosity medium at the outlet of the spray gun, the temperature sensor and the constant-temperature tank is respectively connected with the controller, so that the controller can conveniently compare the real-time temperature detected by the temperature sensor with the set temperature, so as to adjust the temperature of the constant-temperature water tank.
Further, the water outlet and the liquid inlet of the hose heat exchanger are positioned at the same end of the outer tube, and the water inlet and the liquid outlet of the hose heat exchanger are positioned at the other end of the outer tube, so that heat exchange medium enters the hose heat exchanger and performs countercurrent heat exchange with high-viscosity medium.
Compared with the prior art, the invention has the following beneficial effects:
1. the hose heat exchanger has a simple structure, is easy to install, adopts automatically-controllable constant-temperature water to control the temperature, has small medium temperature change in the heat exchanger along the radial direction and the axial direction, and avoids the problems of overhigh local degree and possibility of overhigh temperature overshoot in the conventional electric heating.
2. The hose heat exchanger can not only effectively heat the high-viscosity medium, but also effectively cool the high-viscosity medium, and can effectively control the temperature of the high-viscosity medium in the heat exchanger when the ambient temperature is higher than the using temperature.
Drawings
Fig. 1 is a schematic view of the structure of the hose heat exchanger of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view of the heat exchange system.
The device comprises a 1-inner pipe, a 2-outer pipe, a 3-connector body, a 4-connector nut, a 5-locking sleeve, a 6-first compression nut, a 7-O-shaped ring, an 8-sealing gasket, a 9-second compression nut, a 10-water inlet, a 11-water outlet, a 01-conveying pump, a 02-hose heat exchanger, a 03-spray gun, a 04-constant temperature water tank and a 05-controller.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1 and 2, a hose heat exchanger for high viscosity medium includes an inner tube 1 and an outer tube 2, the inner tube 1 and the outer tube 2 are concentrically arranged and form a double-layer tube structure with an annular cavity, the inner tube 1 and the outer tube 2 are both hoses, two ends of the inner tube 1 extend out of corresponding ends of the outer tube 2 respectively, the inner tube 1 is used for high viscosity medium circulation, two ends of the inner tube are respectively a liquid inlet and a liquid outlet, the annular cavity is used for heat exchange medium circulation, the outer tube 2 is fixed on the inner tube 1 through fastening mechanisms respectively arranged at two ends of the outer tube 2, so that two ends of the annular cavity are closed, a water inlet 10 and a water outlet 11 are respectively arranged on the two fastening mechanisms, the water inlet 10 and the water outlet 11 are respectively communicated with the annular cavity, and the heat exchange medium is convenient to enter the annular cavity to exchange heat with the high viscosity medium in the inner tube 1.
Here, hose heat exchanger adopts inlayer hose (inner tube) and outer hose (outer tube) to constitute, and the high viscosity medium of inner tube circulates, and the cyclic annular chamber between outer tube and the inner tube supplies the heat transfer medium to circulate, because inner tube and outer tube are the hose for can't set up water inlet and delivery port and heat transfer medium pipeline on the outer tube and connect, so set up water inlet and delivery port on fastening mechanism, guarantee water inlet and delivery port and cyclic annular chamber intercommunication just can make the heat transfer medium circulate in cyclic annular intracavity, thereby guarantee that high viscosity medium and heat transfer medium can fully heat transfer.
The hose heat exchanger is light in weight, can be installed on the robot arm in the use, simultaneously can be moved by the random robot after being installed on the robot arm due to the adoption of the hose, and can not influence the normal operation of the robot. Meanwhile, the hose heat exchanger is arranged on the robot arm, so that the occupied space is greatly saved in the operation space with limited space.
In specific implementation, the fastening mechanism comprises a connector body 3, a locking sleeve 5, a first compression nut 6, a second compression nut 9, a sealing assembly and a connector nut 4, wherein the connector body 3 is sleeved on the inner pipe 1, the water inlet 10 and the water outlet 11 are respectively arranged on the corresponding connector body 3 and are communicated with the annular cavity, the water inlet 10 or the water outlet 11 is used as a boundary, one end of the connector body 3 corresponding to the outer pipe is a connecting end, and the other end is a sealing end.
The connector comprises a connector body 3, an outer tube 2, a first compression nut 6, a second compression nut 4, a locking sleeve 5, a locking sleeve and a locking sleeve, wherein the connector body 3 is provided with an annular outer tube mounting groove which is concave inwards, the outer tube 2 is embedded into the outer tube mounting groove, the outer end of the inner tube wall of the outer tube mounting groove is of a tooth-shaped structure, the tooth shape is in a certain angle and faces towards a sealing end, the diameter of the circumferential surface of the inner end is gradually increased, the inner end of the outer tube mounting groove is gradually reduced, the outer tube wall of the outer tube mounting groove is shorter than the inner tube wall of the outer tube mounting groove, the outer circumference of the corresponding connector body 3 is provided with an external thread, the locking sleeve 4 is arranged on the connector body 3 where the connector end is located and fixedly connected with the connector body 3 in a screwed manner, the locking sleeve 5 is arranged between the locking sleeve 4 and the outer tube 2, the outer circumference of the first compression nut 6 is provided with a thread and arranged on the connector body 3 connecting end face, and is positioned between the connector nut 4 and the outer tube 2, and the locking sleeve 5 is tightly pressed in the outer tube mounting groove in a screwed manner.
When the first compression nut is screwed down, the locking sleeve is pressed in the outer tube mounting groove, the wedge-shaped structure of the locking sleeve can effectively wedge the outer tube in the outer tube mounting groove, the outer end of the circumferential surface of the outer tube mounting groove is of a saw-tooth structure, the saw-tooth structure faces the sealing end, the friction force between the outer tube and the connector body is increased, the possibility that the outer tube slides out is avoided, a good sealing effect is achieved, and the heat exchange medium is guaranteed not to leak from the joint of the outer tube and the outer tube mounting groove.
The sealing assembly is arranged between the joint body 3 where the sealing end is located and the inner tube 1, a sealing groove is formed in the joint body 3 and used for placing the sealing assembly, the second compression nut 9 is arranged on the sealing end face of the joint body 3 and located between the joint body 3 and the inner tube 1, the second compression nut 9 is cylindrical and provided with external threads, an annular bulge corresponding to the sealing groove is formed in one end of the sealing groove, a groove corresponding to the second compression nut 9 is formed in the end face of the joint body 3, threads matched with the external threads of the second compression nut 9 are formed in the groove, and the second compression nut 9 and the joint body 3 are fixedly connected in a screwed mode while the bulge compresses the sealing assembly in the sealing groove, so that the sealing effect is achieved.
In specific implementation, the sealing assembly is formed by alternately arranging a plurality of sealing gaskets 8 and a plurality of O-shaped rings 7.
Here, seal assembly comprises a plurality of gaskets and O type circle, when one of them O type circle damages, other O type circle still can play sealed effect, prevents heat transfer medium leakage. Meanwhile, when a small amount of leakage is found, the second compression nut can be continuously screwed due to the fact that the O-shaped ring has certain elasticity, so that the sealing assembly is continuously compressed and deformed, the O-shaped ring is pressed and deformed in the radial direction, and the sealing effect is achieved.
In specific implementation, a plurality of grooves are formed in the outer end faces of the first compression nut 6 and the second compression nut 9, so that the first compression nut 6 and the second compression nut 9 can be conveniently disassembled and assembled by using special tools.
When the hose heat exchanger is assembled, a first compression nut, a locking sleeve, a joint nut and a joint body are sleeved at one end of an inner tube in sequence, the inner tube extends out of the joint body for a certain length, an O-shaped ring and a gasket are installed on the inner tube and the joint body, a second compression nut is installed, the second compression nut is screwed down to compress the O-shaped ring and the gasket in a sealing groove, an outer tube is embedded into an outer tube installation groove, the joint nut is screwed down, the locking sleeve is assembled again, finally the first compression nut is screwed down to complete the assembly of a fastening mechanism at one end of the inner tube, and the steps are repeated to complete the assembly of the fastening mechanism at the other end of the inner tube to complete the assembly of the hose heat exchanger.
Referring to fig. 3, the heat exchange system for the high-viscosity medium comprises a conveying pump 01, a conveying hose and a spray gun 03, wherein one end of the conveying hose is connected with the outlet end of the conveying pump 01, the other end of the conveying hose is connected with the inlet end of the spray gun 03, the heat exchange system comprises the hose heat exchanger 02, a temperature sensor (not shown in the drawing) and a controller 05, the hose heat exchanger 02 is arranged on the conveying hose, so that the conveying hose is divided into a first conveying hose and a second conveying hose, one end of the first conveying hose is connected with the outlet end of the conveying pump 01, the other end of the first conveying hose is connected with a liquid inlet of the hose heat exchanger 02, one end of the second conveying hose is connected with a liquid outlet of the hose heat exchanger 02, the other end of the second conveying hose is connected with the inlet end of the spray gun 03, a water inlet and a water outlet of the hose heat exchanger 02 are respectively connected with an outlet of the constant-temperature water tank 04, so that the heat exchange medium can conveniently enter the hose heat exchanger 02 and exchange the high-viscosity medium, the temperature sensor is arranged on the spray gun and is used for detecting the temperature of the high-viscosity medium at the outlet of the spray gun, the temperature sensor and the constant-temperature sensor 04 is respectively connected with the controller 05, so that the temperature sensor is conveniently detected by the controller 05 and the temperature is compared with the temperature detected by the temperature sensor to the temperature at the constant temperature, and the constant temperature 04 temperature, and the temperature is set in the constant temperature, and the temperature is adjusted.
The hose heat exchanger is typically mounted on the robot arm so that the hose heat exchanger can move with the robot without affecting the robot operation. In the embodiment, the temperature sensor and the constant temperature water tank are connected with the controller in a wireless manner.
Before the heat exchange system operates, an optimal use temperature range of a high-temperature viscosity medium is set in a controller in advance, in the operation process, when the temperature detected by a temperature sensor is higher than the set temperature, the temperature of the high-temperature viscosity medium needs to be reduced, a constant-temperature water tank is controlled by the controller, the temperature of the constant-temperature water tank is reduced, the temperature of the heat exchange medium entering a hose heat exchanger is reduced, the low-temperature heat exchange medium and the high-temperature high-viscosity medium exchange heat in the hose heat exchanger, the temperature of the high-viscosity medium is reduced, the temperature of the high-temperature viscosity medium is ensured to be in the optimal use temperature range, when the temperature detected by the temperature sensor is lower than the set temperature, the temperature of the high-viscosity medium needs to be increased, the controller controls the constant-temperature water tank, the temperature of the heat exchange medium entering the hose heat exchanger is increased, and the high-temperature heat exchange medium exchanges heat in the hose heat exchanger, and the temperature of the high-viscosity medium is increased, and the temperature of the high-temperature medium is ensured to be in the optimal use temperature range. Thus, the automatic control of the temperature is realized, and the influence of the too high or too low temperature on the spraying quality can be effectively avoided.
In specific implementation, the water outlet and the liquid inlet of the hose heat exchanger 02 are positioned at the same end of the outer tube, and the water inlet and the liquid outlet of the hose heat exchanger 02 are positioned at the other end of the outer tube, so that heat exchange medium enters the hose heat exchanger 02 to perform countercurrent heat exchange with high-viscosity medium.
Therefore, the heat exchange between the heat exchange medium and the high-viscosity medium is more efficient, and the heat exchange efficiency is improved.
Finally, it should be noted that the above-mentioned examples of the present invention are only illustrative of the present invention and are not limiting of the embodiments of the present invention. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. Not all embodiments are exhaustive. Obvious changes and modifications which are extended by the technical proposal of the invention are still within the protection scope of the invention.
Claims (4)
1. The hose heat exchanger for the high-viscosity medium comprises an inner pipe and an outer pipe, wherein the inner pipe and the outer pipe are concentrically arranged and form a double-layer pipe structure with an annular cavity, and the hose heat exchanger is characterized in that the inner pipe and the outer pipe are both hoses, two ends of the inner pipe extend out of corresponding ends of the outer pipe respectively, the inner pipe is used for circulating the high-viscosity medium, two ends of the inner pipe are respectively provided with a liquid inlet and a liquid outlet, the annular cavity is used for circulating the heat exchange medium, the outer pipe is fixed on the inner pipe through fastening mechanisms respectively arranged at two ends of the outer pipe so as to enable two ends of the annular cavity to be closed, and the two fastening mechanisms are respectively provided with a water inlet and a water outlet which are respectively communicated with the annular cavity so as to facilitate the heat exchange medium to enter the annular cavity and exchange heat with the high-viscosity medium in the inner pipe;
The fastening mechanism comprises a connector body, a locking sleeve, a first compression nut, a second compression nut, a sealing assembly and a connector nut, wherein the connector body is sleeved on the inner pipe, the water inlet and the water outlet are respectively arranged on the corresponding connector body and are communicated with the annular cavity, one end of the connector body, which corresponds to the outer pipe, is a connecting end, and the other end of the connector body is a sealing end;
An annular outer tube mounting groove which is concave inwards is formed in the end face of the connector body where the connecting end is located, the outer tube is embedded into the outer tube mounting groove, the outer end of the inner ring groove wall of the outer tube mounting groove is of a tooth-shaped structure, the tooth shape is in a certain angle and faces the sealing end, and the diameter of the circumferential surface of the inner end is gradually increased, so that the inner end of the outer tube mounting groove is gradually reduced; the outer ring groove wall of the outer tube installation groove is shorter than the inner ring groove wall of the outer tube installation groove, external threads are arranged on the outer circumference of the corresponding connector body, the connector nut is arranged on the connector body where the connecting end is positioned and is in threaded fixed connection with the connector body, the locking sleeve is arranged between the connector nut and the outer tube, and a wedge-shaped structure corresponding to the inner end of the outer tube installation groove is arranged towards the sealing end of the locking sleeve;
The second compression nut is arranged on the sealing end face of the connector body and is positioned between the connector body and the inner tube, the second compression nut is cylindrical and provided with external threads, an annular bulge corresponding to the sealing groove is arranged at one end of the sealing groove, a groove corresponding to the second compression nut is arranged on the end face of the connector body, threads matched with the external threads of the second compression nut are arranged on the groove, and the second compression nut and the connector body are fixedly connected in a screwed mode while the bulge compresses the sealing assembly in the sealing groove, so that the sealing effect is achieved.
2. A hose heat exchanger for high viscosity media according to claim 1, wherein the sealing assembly is comprised of a plurality of gaskets and a plurality of O-rings alternately arranged.
3. The hose heat exchanger for high viscosity media according to claim 1, wherein the outer end surfaces of the first compression nut and the second compression nut are provided with a plurality of grooves, so that the first compression nut and the second compression nut can be easily disassembled by using a special tool.
4. The heat exchange system for the high-viscosity medium comprises a conveying pump, a conveying hose and a spray gun, wherein one end of the conveying hose is connected with an outlet end of the conveying pump, the other end of the conveying hose is connected with an inlet end of the spray gun, and the heat exchange system is characterized by comprising the hose heat exchanger, a temperature sensor and a controller according to any one of claims 1-3, wherein the hose heat exchanger is arranged on the conveying hose, so that the conveying hose is divided into a first conveying hose section and a second conveying hose section, one end of the first conveying hose is connected with the outlet end of the conveying pump, the other end of the first conveying hose is connected with a liquid inlet of the hose heat exchanger, one end of the second conveying hose is connected with a liquid outlet of the hose heat exchanger, the other end of the second conveying hose is connected with the inlet end of the spray gun, a water inlet and a water outlet of the hose heat exchanger are respectively connected with an outlet of a constant-temperature water tank and an inlet of the constant-temperature water tank, so that heat exchange medium can conveniently enter the hose heat exchanger to exchange heat with the high-viscosity medium, the temperature sensor is arranged on the spray gun and is used for detecting the temperature of the high-viscosity medium at the outlet of the spray gun, the temperature sensor and the constant-temperature water tank is respectively in wireless connection with the controller, so that the temperature of the constant-temperature sensor is conveniently compared with the real-time temperature detected by the temperature sensor and the temperature in the constant-temperature controller to the constant-temperature water tank to the constant temperature.
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| CN112241112A (en) * | 2020-11-18 | 2021-01-19 | 江苏晋誉达半导体股份有限公司 | Temperature control device and temperature control method for developing solution |
| CN114962844B (en) * | 2022-04-26 | 2023-07-21 | 重庆海浦洛自动化科技有限公司 | Energy storage device for high-viscosity medium and use method thereof |
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| CN108725137A (en) * | 2018-08-01 | 2018-11-02 | 苏州赛普瑞新能源汽车空调有限公司 | A kind of heat exchange module of new-energy automobile |
| CN212227807U (en) * | 2020-06-22 | 2020-12-25 | 重庆海浦洛自动化科技有限公司 | Hose heat exchanger and heat exchange system for high-viscosity medium |
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| US7363769B2 (en) * | 2005-03-09 | 2008-04-29 | Kelix Heat Transfer Systems, Llc | Electromagnetic signal transmission/reception tower and accompanying base station employing system of coaxial-flow heat exchanging structures installed in well bores to thermally control the environment housing electronic equipment within the base station |
| CN109029022A (en) * | 2018-09-05 | 2018-12-18 | 深圳市金奥博科技股份有限公司 | Spiral cooling device |
| CN110425911B (en) * | 2019-08-30 | 2024-04-19 | 中国科学院理化技术研究所 | Three-medium heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725137A (en) * | 2018-08-01 | 2018-11-02 | 苏州赛普瑞新能源汽车空调有限公司 | A kind of heat exchange module of new-energy automobile |
| CN212227807U (en) * | 2020-06-22 | 2020-12-25 | 重庆海浦洛自动化科技有限公司 | Hose heat exchanger and heat exchange system for high-viscosity medium |
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