CN218810319U - Safe balancing unit of tank car unloading - Google Patents
Safe balancing unit of tank car unloading Download PDFInfo
- Publication number
- CN218810319U CN218810319U CN202223119954.3U CN202223119954U CN218810319U CN 218810319 U CN218810319 U CN 218810319U CN 202223119954 U CN202223119954 U CN 202223119954U CN 218810319 U CN218810319 U CN 218810319U
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- pipe
- tank car
- tank
- unloading
- discharging
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- 239000000463 material Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 10
- 239000012071 phase Substances 0.000 claims description 8
- 239000007792 gaseous phase Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 4
- 206010063659 Aversion Diseases 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model relates to a tank car unloading safety balancing device, which comprises a tank car and a storage tank, wherein the upper surface of the tank car is provided with a balance pipe, the balance pipe is connected with a gas phase balance pipe through an oil filling riser, and the oil filling riser is provided with an emergency breaking valve, thereby avoiding the environmental protection hidden trouble that the tank car causes the leakage of material gas due to the displacement; a delivery pipe is arranged on the outer side surface of the tank car, and a snapping valve is arranged at the pipe opening of the delivery pipe, so that the hidden danger of liquid leakage caused by displacement of the tank car is avoided; the storage tank top is provided with the level gauge, is provided with emergency stop button on the unloading pump, has installed pneumatic trip valve in the export department of unloading pump, and the level gauge is connected with control system signal with the pump of unloading and pneumatic trip valve, forms interlocking device, avoids the storage tank overflow to lead to the hidden danger of leaking. This safety balance device structure of unloading easy operation, the practicality is strong, focuses on to tank wagon pipe-line system essential safety and environmental protection VOC emission transformation, and economic environmental protection, the security is higher, reduces the operation risk when guaranteeing the efficiency of unloading, effectively solves the in-process safety ring protects problem of unloading.
Description
Technical Field
The utility model relates to a tank wagon equipment of unloading, concretely relates to tank wagon safety balance device of unloading.
Background
Tank trucks are tank-shaped transportation vehicles that are generally used as vehicles for transporting various goods such as liquid, liquefied gas, and powdery goods. The plastic layer of the storage tank in the tank truck has the characteristics of no welding seam, no leakage, no toxicity, ageing resistance, impact resistance, corrosion resistance, long service life, conformity with sanitary standards and the like, can transport 90% of chemical solution, and can resist high temperature of 90 ℃ and be widely applied. When the tank car needs to unload materials during transportation, the existing tank car usually uses a unloading pump to unload materials to the storage tank, and the balance pipe and the gas phase pipe of the tank car are connected through metal hoses. However, there are safety and environmental protection concerns: when unloading, the metal hose falls off due to the displacement of the tank car, so that material leakage is easy to cause; when the storage tank is full, the materials are easy to overflow.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, providing a tank wagon safety balance device of unloading that can solve the potential safety hazard of material reveal and spill over.
Realize the utility model discloses the technical scheme of purpose is: the utility model provides a tank wagon safety balancing unit of unloading, includes tank car and storage tank, tank car upper surface is equipped with the balance pipe, the balance pipe passes through the oil filling riser and is connected with a gaseous phase balance pipe's one end, install urgent breaking valve on the oil filling riser, the other end and the storage tank intercommunication of gaseous phase balance pipe, tank car lateral surface is equipped with the conveying pipeline install the breaking valve on the conveying pipeline mouth of pipe, the conveying pipeline is connected with the feed inlet of storage tank through the unloading pump.
Furthermore, the loading arm is a hard tube and is provided with a section of buffer tube which is inclined downwards.
Further, a liquid level meter is arranged above the storage tank.
Furthermore, the liquid level meter has two, is located the storage tank top left and right sides respectively.
Furthermore, an emergency stop button is arranged on the discharge pump, and air is arranged at the outlet of the discharge pump
Further, the tank car discharging safety balancing device further comprises a control system, and the liquid level meter, the discharging pump and the pneumatic cut-off valve above the storage tank are in signal connection with the control system to form an interlocking mechanism.
Furthermore, a flame arrester is arranged at the joint of the gas phase balance pipe and the oil filling riser.
Furthermore, a sight glass and a filter are arranged on a pipeline between the material conveying pipe and the discharging pump.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) The utility model discloses install the oil filling riser additional in tank car top gas phase pipe and storage tank junction, the oil filling riser is hard pipe, and takes urgent breakaway valve to install the breakaway valve additional at the tank car conveying pipeline, avoid because the tank car aversion leads to the potential safety hazard of revealing.
(2) The utility model discloses be provided with emergency stop button and increase pneumatic trip valve in the exit on the unloading pump, storage tank level gauge and unloading pump and pneumatic trip valve and control system signal connection to form interlocking device, avoid the storage tank overfill to lead to the potential safety hazard of revealing outward.
(3) The utility model discloses structure technology easy operation, the practicality is strong, puts emphasis on the transformation to the pipeline safety of unloading, economic environmental protection, and the security is higher, reduces the operation risk when guaranteeing product quality, effectively solves the in-process safety ring protects problem of unloading.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of the present invention;
the reference numbers in the drawings are as follows: 1. a tank car; 2. a storage tank; 3. a balance tube; 4. a delivery pipe; 5. a discharge pump; 6. a gas phase equilibrium tube; 7. a loading arm; 8. a flame arrestor; 9. a sight glass; 10. a filter; 21. a liquid level meter; 41. breaking the valve; 51. an emergency stop button; 52. a pneumatic shut-off valve; 71. an emergency snap-off valve.
Detailed Description
Example 1
See fig. 1, according to the utility model discloses a tank wagon safety balance device of unloading, including tank wagon 1 and storage tank 2, tank wagon 1 upper surface is equipped with balance pipe 3, and balance pipe 3 is connected with a gaseous balance pipe 6's one end through oil filling riser 7, installs urgent break valve 71 on the oil filling riser 7, and oil filling riser 7 is hard pipe, has one section decurrent buffer tube, replaces original metal collapsible tube with hard pipe oil filling riser 7, can avoid when unloading because the tank wagon aversion leads to metal collapsible tube to drop and causes the hidden danger that the material was revealed. The other end of the gas phase balance pipe 6 is communicated with the storage tank 2, the conveying pipe 4 is arranged on the outer side surface of the tank car 1, the pipe orifice of the conveying pipe 4 is provided with the breaking valve 41, and the emergency breaking valve 71 on the added oil filling riser 7 and the breaking valve 41 on the pipe orifice of the conveying pipe 4 can play an emergency pause role, so that the hidden danger of material leakage is further avoided. The conveying pipeline 4 is connected with a feed inlet of the storage tank 2 through a discharge pump 5, and two liquid level meters 21 are arranged above the storage tank 2 and are respectively positioned at the left side and the right side above the storage tank 2. The discharging pump 5 is provided with an emergency stop button 51, the outlet of the discharging pump 5 is provided with a pneumatic stop valve 52, the liquid level meter 21 above the storage tank 2, the discharging pump 5 and the pneumatic stop valve 52 are all in signal connection with a control system to form an interlocking mechanism, the working state of the discharging pump 5 can be controlled in an interlocking manner through the indication number of the liquid level meter 21, and the pneumatic stop valve 52 can be cut off emergently, so that the storage tank 2 is full when discharging is effectively avoided, and the hidden danger that materials overflow is caused is avoided. A flame arrester 8 is arranged at the joint of the gas phase balance pipe 6 and the oil filling riser 7; a sight glass 9 and a filter 10 are arranged on a pipeline between the material conveying pipe 4 and the discharging pump 5.
The utility model discloses a theory of operation does: when the materials in the tank car 1 are unloaded, firstly, a loading arm 7 and a gas phase balance tube 6 are well connected with the storage tank 2 on the roof of the tank car 1, then a unloading pump 5 is started to extract the materials in the tank car 1, the pressure in the tank car 1 is reduced at the moment, then the gas in the storage tank 2 can be automatically supplemented into the tank car 1, so that the pressure in the tank car 1 is always in a positive pressure state, meanwhile, the pressure in the storage tank 2 can also be reduced due to the ceaseless discharging of the storage tank 2, and the pressure in the storage tank 2 can be increased due to the materials unloaded by the tank car 1, so that the balance state is achieved again. The loading arm 7 made of hard pipe is provided with an emergency breaking valve 71, the breaking valve 41 is additionally arranged on the delivery pipe 4 of the tank car, when the tank car is displaced, the emergency breaking valve 71 and the breaking valve 41 can be automatically closed, and the leakage of materials in the tank car 1 is prevented. The level gauge 21, the discharge pump 5 and the pneumatic stop valve 52 above the storage tank 2 are all in signal connection with a control system to form an interlocking mechanism, when the liquid level of the storage tank 2 reaches a high level, the indication of the level gauge 21 can interlockingly control the working state of the discharge pump 5 to enable the discharge pump 5 to stop discharging, and if necessary, the emergency stop button 51 can be used for controlling the pneumatic stop valve 52 and the discharge pump 5 to be closed so as to stop the material from entering the storage tank 2, thereby avoiding the potential hazard of leakage caused by tank overflow.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a tank wagon safety balancing unit of unloading, includes tank wagon (1) and storage tank (2), its characterized in that: the tank car (1) upper surface is equipped with balance pipe (3), balance pipe (3) are connected with the one end of a gaseous phase balance pipe (6) through oil filling riser (7), install urgent breakaway valve (71) on oil filling riser (7), the other end and storage tank (2) intercommunication of gaseous phase balance pipe (6), tank car (1) outside surface is equipped with conveying pipeline (4) install breakaway valve (41) on conveying pipeline (4) mouth of pipe, conveying pipeline (4) are connected with the feed inlet of storage tank (2) through unloading pump (5).
2. The safe balance device for discharging the tank car according to claim 1, wherein: the crane pipe (7) is a hard pipe and is provided with a section of buffer pipe which is inclined downwards.
3. The safe balance device for discharging the tank car according to claim 1, wherein: a liquid level meter (21) is arranged above the storage tank (2).
4. The safe balance device for discharging of the tank car according to claim 3, wherein: the two liquid level meters (21) are respectively positioned at the left side and the right side above the storage tank (2).
5. The safe balance device for discharging the tank car according to claim 3, wherein: an emergency stop button (51) is arranged on the discharging pump (5), and a pneumatic cut-off valve (52) is arranged at the outlet of the discharging pump (5).
6. The safe balance device for discharging of the tank car according to claim 5, wherein: the device is characterized by further comprising a control system, wherein the liquid level meter (21) above the storage tank (2), the discharging pump (5) and the pneumatic stop valve (52) are in signal connection with the control system to form an interlocking mechanism.
7. The safe balance device for discharging the tank car according to claim 1, wherein: and a flame arrester (8) is arranged at the joint of the gas phase balance pipe (6) and the crane pipe (7).
8. The safe balance device for discharging of the tank car according to claim 1, wherein: a sight glass (9) and a filter (10) are arranged on a pipeline between the material conveying pipe (4) and the discharging pump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223119954.3U CN218810319U (en) | 2022-11-23 | 2022-11-23 | Safe balancing unit of tank car unloading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223119954.3U CN218810319U (en) | 2022-11-23 | 2022-11-23 | Safe balancing unit of tank car unloading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218810319U true CN218810319U (en) | 2023-04-07 |
Family
ID=87038052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223119954.3U Active CN218810319U (en) | 2022-11-23 | 2022-11-23 | Safe balancing unit of tank car unloading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218810319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117111538A (en) * | 2023-10-24 | 2023-11-24 | 苏州致邦能源装备有限公司 | Control system for unloading process of gas storage tank |
-
2022
- 2022-11-23 CN CN202223119954.3U patent/CN218810319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117111538A (en) * | 2023-10-24 | 2023-11-24 | 苏州致邦能源装备有限公司 | Control system for unloading process of gas storage tank |
| CN117111538B (en) * | 2023-10-24 | 2024-01-05 | 苏州致邦能源装备有限公司 | Control system for unloading process of gas storage tank |
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