RU10247U1 - HEAT EXCHANGE RADIATOR - Google Patents

Abstract

1. Heat-exchange radiator containing a pipe with a coolant, removable fins mounted on horizontal sections of the pipe with a coolant, and a device for regulating the gap between the pipe and fins, characterized in that the fins are made in sections, an integral element of which is a coupling half with an inner cylindrical surface and with ribs on its outer surface, or two half-couplings, or more half-couplings with common ribs on their outer surfaces and with a distance between the axes of the half-couplings equal to the distance, respectively between the axes of the horizontal sections of the pipe on which these coupling halves are installed with various combinations of these constituent elements, the inner diameter of the coupling equal to the outer diameter of the pipe, the fins sections are located on one and / or on its two sides, to regulate the gap between the pipe and fins, each coupling half on the ends has a radial interface of the flat and inner cylindrical surfaces, detachable mounting of the coupling halves on the pipe and is equipped with heat-insulating split rings placed on the pipe between with couplings with the possibility of its installation between the surfaces of the coupling half and the pipe and / or the adjusting screw in the hole of the cylindrical part of the coupling half, abutting against the pipe surface. 2. The radiator according to claim 1, characterized in that the fins are inseparably connected to each coupling half, for example, by casting and into a chill mold, mainly from aluminum alloys, for which cuts (holes) are made in the profile of the fins, and the pipe is made metallized. 3. Radiator according to claims 1 and 2, characterized in that the coupling halves are made of heat-accumulating material

Description

IPC F 24 N 3/00 F 28 F I / I2

HEATER RADIATOR

The utility model relates to the design of air heaters using hot water or steam as a heat carrier.

The utility model can be used mainly in the design of household radiators for heating residential and industrial premises.

From analogues of the prior art, household radiators of water heating are widely known in the form of a pipe with a coolant in one or more horizontal sections, which are installed fins of various shapes (plates, corrugations, etc.), detachably or permanently attached. T to the pipe.

The disadvantage of these air heaters is the impossibility of regulating the gap between the pipe and the fins and the surface area of the fins for the purpose of regulating the heat transfer process, which leads to unjustified heat losses due to unnecessary overheating or insufficient heating of the building. The use of shutoff valves, like taps, for regulating heat transfer by changing the plafade of the pipe cross-section of the pipe with the coolant often leads to depressurization of the heating system due to the flow of hot water, or, conversely, to jamming due to breakdowns of the tap, to increase the metal consumption of funds

h regulation of heat transfer, to the complication of the design of these funds.

 A heating device ij is also known from the analogues of the prior art, comprising horizontal heat exchange tubes installed with a gap relative to one another and fastened by mead1U with vertical fins; in this case, the meadau distance by horizontal pipes is 1/3 + 1/2 of the length of the rib.

This heater is economical due to good heat transfer at certain ambient temperatures, for which its fins are designed. However, if the temperature deviates from the calculated temperatures and it is impossible to control the size of the ribs or the gap between them and the pipe, heat transfer is not effective and leads to either overheating or non-heating of the surrounding air.

In most existing heating systems, jumpers with a fixed flow area are installed in pipes with a coolant. For example, a heater of a heating device 2 is known, the casing of which is divided by a longitudinal partition into direct and return channels, connected respectively to the inlet and outlet pipes, the cross-section in the cross section has the shape of a hollow half-cylinder with slotted cutouts on the longitudinal edges adjacent to the casing; the inlet section of the partition has a bypass hole equipped with a throttle. The heat transfer is controlled by changing the flow area of the bypass hole using the rotary throttle rod, which leads to a change in the operating mode of the heater of the heater.

However, the use of the damper stem is fraught with failure to control the heat exchange process and the depressurization of the pipe with the coolant in case of damage to the damper rod.

A known design of a heat exchanger in which the above disadvantages are eliminated Z. This technical solution is the closest in combination of essential features to the claimed utility model and is taken as its prototype.

It is a heat exchange tube containing fins in the form of sheets fastened together with a semi-cylindrical section, contracting with half of the pipe’s side surface, having slots and grooves bent to the opposite sides, forming holes in which fasteners equipped with handles are installed, with which rotate the fasteners for the purpose of regulating the heat transfer process by changing the density of the connection between the pipe and the fins.

The disadvantage of the prototype is the low efficiency of heat transfer due to the small area of the fins and the low efficiency of regulation of heat transfer due to the insufficiently tight fit of the ribs to the surface of the pipe with the heat transfer medium since the surface of the ribs is represented by the selected unit length of the pipe with only one sheet, which in the technological sense is mated with the pipe complicated. Due to the lack of the possibility of a stepwise reduction in the contact area of the fins with the pipe, the prototype does not provide stepwise regulation of heat transfer and does not have mobility in terms of the adaptability of the radiator to design requirements, ease of use, and heat transfer, because it is necessary to reconstruct parameters such as: number of sections, their relative position horizontal sections of the pipe.

the area of the fins, the angle of inclination of the ribs in the domestic environment, at the installation site of the radiator, is almost impossible.

The technical problem solved by this utility model is to increase the efficiency of heat transfer and its regulation.

As a result of solving this technical problem, one can obtain such technical results as:

-increase in the heat transfer area of the radiator fins per unit of the considered pipe length with the heat transfer system;

-increase in the contact area of the heat transfer surface of the ribs with the surface of the pipe with the coolant due to more accurate pairing of the contacting surfaces;

- the possibility of stepwise and smooth reduction of the above contact area from maximum to minimum - to the line of contact with the pipe of the intermediate element between the pipe

and fins - half couplings on which ribs are fixed in accordance with the claimed utility model;

-increase heat storage capacity of the radiator;

-the possibility of mobile restructuring in domestic conditions of the number and relative position of the sections, their sizes are flat} ribs, the angle of inclination of these ribs in accordance with the requirements of heat transfer, design and ease of use.

To do this, the heat exchanger in the radiator contains a pipe with a coolant, removable fins fixed on horizontal sections of the pipe with a coolant, and a device for regulating the gap between the pipe and the fins, according to a useful model, the fins are sectioned with an integral part of which is a coupling half with an inner cylindrical surface and with ribs on its outer surface or two half-couplings or more half-couplings with common ribs on their outer surfaces and with a distance between the axes of the half couplings equal to according to the distance between the axes of the pipe sections on which these coupling halves are installed for various combinations of these constituent elements, the inner diameter of the coupling half equal to the outer diameter of the pipe, and the fins sections are located on one and / or on its two sides, to regulate the gap between the pipe and fins each the coupling half at the ends has a radial conjugation of the flat and internal cylindrical surfaces, the detachable mounting of the coupling half on the pipe and is equipped with heat-insulating 11C1 cut-in rings placed on the pipe m between the coupling halves with the possibility of its installation between the surfaces of the coupling half and the pipe, and / or the adjusting screw in the hole of the cylindrical part of the coupling half, abutting against the pipe surface. In the radiator, the fins can be inseparably connected by each half-coupling, for example, by casting into a chill mold, mainly from aluminum alloys, for which, in the profile of the ribs, cuts (holes) are preliminarily made, and the pipe is made metallized. In the radiator, the coupling halves can be made of heat-accumulating material. In the radiator, the coupling halves installed on one side of the pipe can be fixed with brackets with fasteners, and the coupling halves mounted on the pipe on both sides are fastened

in the radiator, the component element) of the fins section can contain half or half with two or three transverse fins from П, Т or Г-о (5 different profiles.

The utility model is illustrated by drawings.

Figure 1 shows a perspective view of a radiator with fins in the form of P, T and L-shaped profiles on one, two and three coupling halves installed on one or both sides of the pipe with a coolant (pipe shown conventionally);

in FIG. 2 is a top view of a radiator;

in FIG. 3 - half-couplings fixed on both sides of the pipe with fasteners: a) in a section perpendicular to the longitudinal axis of the pipe when heat insulated under the sleeve is installed1 Ts1x

rings;

b) in section along the longitudinal axis

pipes;

Fig. 4 - half couplings fixed on two sides to the pipe with spring brackets in a section perpendicular to the longitudinal axis of the pipe at the maximum contact surface with the coolant;

Fig. 5 - half couplings in the open position in the section “perpendicular to the axis of the pipe with a minimum contact area with the coolant;

on figb - half-coupling in cross section perpendicular to the longitudinal axis when securing on one side;

The heat-exchange radiator contains a heat-exchange pipe I with a heat carrier (water, steam) made of metallized (galvanized, aluminized), bent to form several horizontal sections on which are installed

sections of fins 2, consisting of transverse ribs in the form of rHVTbK or extruded metal profiles of an angular, T-shaped, U-shaped or other similar section connected to the outer surface of one, two, or more half couplings 3. (| ig, 1) . The connection of the ribs 2 with the coupling halves 3 can be detachable and indivisible, but to ensure the best heat transfer ability from the coupling halves 3 to the room air that they heat, they are connected to the coupling halves inseparably: they are mounted on the surface of the coupling halves by casting, for example, in a chill mold, mainly made of aluminum With this method of fastening in order to improve the fastening of the profile in the surface of the coupling half 3 in the profiles of the ribs 2 pre-cut (holes).

The coupling halves 3, made of cylindrical shape, have an inner diameter of the cylindrical surface equal to the outer diameter of the pipe I, for their snug fit to the heat transfer surface. The distance between the axes of two, three, or more half couplings 3 with common transverse ribs 2 on their outer surfaces is equal to the distance between the axes of the horizontal pipe sections on which these half couplings are installed (Fig. I) Two or more half couplings of one component of the fins section have equal length, which is rational for installing the same number of ribs on them.

To increase the heat storage capacity of the radiator, which is important when regulating heat transfer at low temperatures, the coupling halves are made monolithic

(by casting) or from heat-accumulating material such as composite multilayer, for example, consisting of copper, aluminum, nickel.

The coupling halves are made at the ends with the radial conjugation of the inner cylindrical and flat surfaces, which is necessary for the smooth control of the Mesgiy heat transfer by the pipe and the coupling half, since the coupling ensures a smooth change in the gap between the coupling surfaces and the coupling pipe from the minimum (when these surfaces completely coincide, figure 4) to the maximum (with the open position of the coupling half of Fig. 5).

The coupling halves 3 are detachably fixed to the pipe I with a coolant on both sides with a screed along the flat end surfaces with the help of fastening threaded elements 4, for which

Holes in half-coupling with holes 5 compatible with each other, or with

help spring brackets b round, U-shaped and other forms (Fig., 4).

To fix the coupling half on one side of the pipe, clamps 7 are used with fasteners 8 (Fig. B).

To regulate the air gap, the inner surface of the coupling half 3 and the outer surface of the pipe I can be screwed into the cylindrical surface of the coupling half 9, abutting against the surface of the pipe I, with a stroke of up to 5 mm, which ensures the removal of the coupling halves.

The radiator is equipped with split heat-insulating rings (bushings) 10 that are placed on the pipe with half-couplings of the fin sections and having the possibility of their installation under the half couplings, which is necessary for the stepwise regulation of heat transfer between the pipe and the half coupling. The radial conjugation of the inner cylindrical and flat surfaces of the coupling halves makes this ring 10 possible.

The repenting vertical fin section of the radiator consists mainly of two or three fins on one, or on two, or on more than two half-couplings, which allows you to dial the required number (4,5,6,7,8, etc.) of the matching rib with the length of the horizontal rectilinear section II of the heat-transfer pipe by installing the corresponding number of coupling halves in this section (figure 2), if the fins section is one half-coupling with ribs. The finning section is two half-couplings with ribs, or three half-couplings with ribs, or more half-couplings with ribs, then the required number of ribs is dialed based on the total length of two, or three, or more horizontal pipe sections, on which similar ribbing sections are installed. The radiator is made up of components with their various combinations, depending on the requirements of heat transfer design, ease of use.

The radiator is used and operates as follows.

Since the ribbed sections are easily installed and removed due to the easy removability of the coupling halves, regardless of the connection of the pipe with the coolant to the room heating system.

then in the process of building a new, home or repairing the existing heating system, only the coolant pipe is mounted and connected. Ribbed sections are installed

later and, as a rule, on the existing heating system.

It is assumed that the number of sections is selected depending on the volume of the heated room. In this case, it is advisable to produce pipes with horizontal sections of bOOmm, 900 mm and 1200 mm for domestic premises, and ribbed sections from two to three profiles with the length of the heat transfer half couplings with which they are connected equal to 80 mm and 120 mm. Making three different pipe sizes and two

type of ribbed sections, by selecting different amounts of these options

domestic or industrial premises.

In the process of operation, it is provided for stepwise regulation of heat transfer from the coolant pipe to the coupling halves of the ribbed sections and, accordingly, to the radiator fins, by introducing narrow heat-insulating rings, in the amount of, for example, two for each coupling half, which can be installed as under the upper (on the upper horizontal section of the pipe), and under the lower half (on the lower horizontal section of the pipe) of the coupling, for any other coupling half or pair thereof, and in any section. The resulting air gap reduces the heat transfer by a factor compared to the heat transfer provided by the coupling halves when they are fully adhered to the surface of the heat transfer pipe.

in the case of mounting two coupling halves to each other on the pipe with fastening threaded elements, for example, tightening screws 4, when thermally insulating rings are inserted under these half-couplings, they are moved apart by loosening the tightening screws 4 by a thickness greater than the thickness of the heat-insulating ring, which is shifted along the pipe in such a way as to prevent the coupling halves from being pressed against the pipes.

Removing the fastening connecting elements 4 from the coupling halves, the latter are in contact with the pipe due to the radial mating of the cylindrical and flat surfaces of the coupling halves only at the points of this coupling, thereby achieving a further increase in the gap between the pipe and the fins, the next stage of heat transfer regulation. And the removal of one section or several sections of fins from the pipe will allow to stepwise reduce heat transfer similarly to installing heat-insulating rings and opening the coupling halves.

If two half-couplings are fixed to each other on the pipe with ring or U-shaped spring brackets 6 and an adjusting screw 9, the half-couplings are retracted by screwing the adjusting screws 9, as a result, the heat transfer can be changed by the amount of air gap; the removal of the sections is carried out by removing the spring clips 6.

To retract the coupling half, fixed by a bracket 7 with fixing elements 8, weakening the elements B similarly to the above, you can get the necessary clearance between the coupling half and the pipe, and turning the fixing elements 8 will ensure complete release of the coupling half and contacting it with the pipe only along the line of radius mating.

By changing the relative position of the coupling halves relative to the plane of the pipe, to obtain a different angle of inclination of the transverse ribs 2 relative to the plane of the pipe, and thus it is possible to fulfill various design requirements or operating conditions, for example, to use fins as a dryer, shelf. Changing the angle of the ribs will expand the drying capabilities.

Sources of information:

 Lv. St. USSR GR 079107, F24H3 / 06, F28F 3/0, aBTOp3iKvp G.E. et al, Applicant - PLI of Sanitary Engineering and Scientific Research Institute of Special Methods

casting; publ. 7.II.81 g., bull.no 41;

2 Lv. St. USSR no. 709947, F28FI3 / 06, authors Mvldagaliev A.S. and Lsgpndiprov B. B; Applicant - Alma-Ata branch of the State Property Inspectorate Spp- ohproekt Gosstroy of the USSR and Alma-Ata Energy Institute; publ. 01/15/80, bull. No. 2;

 Av.St.SSSR No. 787878, KGFI / IO, author Kudryavtsev K.V.,

applicant - Volzhsky Mechanical Plant, publ. 12/15/80 g,

bgoll. Jf 46.

Claims (5)

1. Heat-exchange radiator containing a pipe with a coolant, removable fins mounted on horizontal sections of the pipe with a coolant, and a device for regulating the gap between the pipe and fins, characterized in that the fins are made in sections, an integral element of which is a coupling half with an inner cylindrical surface and with ribs on its outer surface, or two half-couplings, or more half-couplings with common ribs on their outer surfaces and with a distance between the axes of the half-couplings equal to the distance, respectively between the axes of the horizontal sections of the pipe on which these coupling halves are installed with various combinations of these constituent elements, the inner diameter of the coupling equal to the outer diameter of the pipe, the fins sections are located on one and / or on its two sides, to regulate the gap between the pipe and fins, each coupling half on the ends has a radial interface of the flat and inner cylindrical surfaces, detachable mounting of the coupling halves on the pipe and is equipped with heat-insulating split rings placed on the pipe between with half-couplings with the possibility of its installation between the surfaces of the half-coupling and the pipe and / or an adjusting screw in the hole of the cylindrical part of the half-coupling, abutting against the pipe surface.  2. The radiator according to claim 1, characterized in that the fins are inseparably connected to each coupling half, for example, by casting and into a chill mold, mainly from aluminum alloys, for which cuts (holes) are preliminarily made in the fins profile, and the pipe is made metallized.  3. The radiator according to claims 1 and 2, characterized in that the coupling halves are made of heat-accumulating material.  4. The radiator according to claims 1 to 3, characterized in that the coupling halves mounted on one side of the pipe are fixed with brackets with fasteners, and the coupling halves mounted on the pipe on both sides are fastened to the pipe with fasteners or spring brackets. 5. The radiator according to claims 1 to 4, characterized in that the composite element of the section contains a half-coupling or half-coupling with two or three transverse fins made of П-, F, or T-shaped profiles.