CN221419437U - Cyclohexylamine safe storage device - Google Patents
Cyclohexylamine safe storage device Download PDFInfo
- Publication number
- CN221419437U CN221419437U CN202421467503.5U CN202421467503U CN221419437U CN 221419437 U CN221419437 U CN 221419437U CN 202421467503 U CN202421467503 U CN 202421467503U CN 221419437 U CN221419437 U CN 221419437U
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- CN
- China
- Prior art keywords
- storage tank
- cyclohexylamine
- cooling layer
- pump
- cooling water
- Prior art date
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- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000001816 cooling Methods 0.000 claims abstract description 71
- 239000000498 cooling water Substances 0.000 claims abstract description 57
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model belongs to the technical field of storage devices, and particularly relates to a cyclohexylamine safe storage device. Including the storage tank, the storage tank skin is equipped with high-efficient cooling layer, and the storage tank is equipped with nitrogen seal system, feed line, ejection of compact pipeline, static ground control appearance, is equipped with feed pump and ejection of compact pump respectively on feed line and the ejection of compact pipeline, and the output electric connection feed pump of static ground control appearance and the control end of ejection of compact pump, the output electric connection feed pump of the liquid level transmitter and the control end of ejection of compact pump on the storage tank. The liquid level and the static index are used for controlling the start and stop of the feeding pump and the discharging pump, double guarantee is achieved, and safety in the storage and use processes is improved. Through setting up interior cooling layer and outer cooling layer for the cooling water that the temperature is minimum gets into interior cooling layer from the bottom, cools off the cyclohexylamine in the storage tank preferentially, and the water of outer cooling layer has played certain separation effect between external high temperature and interior cooling layer low temperature, can strengthen the cooling effect of interior cooling layer.
Description
Technical Field
The utility model belongs to the technical field of storage devices, and particularly relates to a cyclohexylamine safe storage device.
Background
Cyclohexylamine with chemical formula C 6H11NH2 is colorless to yellowish transparent liquid with ammonia smell, and is an important intermediate for industries such as synthetic rubber, plastics, medicines, pesticides and the like. Due to its wide application, the safe storage of cyclohexylamine is particularly important.
Cyclohexylamine has a flash point of 28 ℃, is a flammable liquid, and its vapor can be mixed with air to form an explosive mixture, so its storage temperature cannot be higher than 30 ℃. In addition, cyclohexylamine is alkaline, and white crystalline carbonate is formed when contacted with carbon dioxide in the air, so that the quality of the product is reduced. Cyclohexylamine is relatively attractive for low temperature storage during daily storage, but accumulated static electricity may locally develop high potential, and when the potential is sufficiently high, spark discharge may occur, and these generated sparks may ignite these mixtures, resulting in fire or explosion. And on the premise of unqualified electrostatic indexes, the blind start of pump feeding or feeding can damage pumps and other equipment, and the normal operation of the pumps and other equipment is affected.
When the temperature is high in summer, the requirement on the cooling effect is extremely high, the consumption and the flow rate of cooling water are increased usually due to the fact that the external temperature is too high, the cooling effect is still unsatisfactory, the waste of resource energy sources is caused, and the risk of fire and explosion is increased due to the fact that cyclohexylamine is stored at a higher temperature.
Disclosure of utility model
The utility model provides a cyclohexylamine safe storage device, which aims to solve the problems of safety accidents caused by sparks generated by blind pump-on transportation if electrostatic indexes are not qualified in the cyclohexylamine storage device and low cooling efficiency and high energy consumption of jackets in hot days.
In order to solve the problems, the technical scheme of the utility model is as follows:
The utility model discloses a cyclohexylamine safe storage device, which comprises a storage tank, wherein an efficient cooling layer is arranged on the outer layer of the storage tank, the bottom of one side of the efficient cooling layer is connected with a cooling water inlet pipe, the top of one side of the efficient cooling layer is connected with a cooling water outlet pipe, a cooling water regulating valve is arranged on the cooling water inlet pipe, a nitrogen sealing system is arranged on the top of the storage tank, a feeding pipeline and a discharging pipeline are further arranged on the storage tank, the bottoms of the feeding pipeline and the discharging pipeline are positioned at the inner bottom of the storage tank, a feeding pump and a discharging pump are respectively arranged on the feeding pipeline and the discharging pipeline, an electrostatic grounding controller and a temperature transmitter are arranged on the storage tank, the output end of the electrostatic grounding controller is electrically connected with the control ends of the feeding pump and the discharging pump, a liquid level transmitter is arranged on the storage tank, and the output end of the liquid level transmitter is electrically connected with the control ends of the feeding pump and the discharging pump.
According to the utility model, the start and stop of the feed pump and the discharge pump are controlled by two indexes, namely, the static indexes are firstly that the feed pump and the discharge pump cannot be started if the static indexes monitored by the static grounding controller are unqualified, and the feed pump and the discharge pump can be started after the static indexes monitored by the static grounding controller are qualified. Then, the liquid level index is used for ensuring the safety of the storage device, and the feeding liquid level of the feeding pump is not higher than the set highest safe liquid level so as to prevent the pressure in the storage tank from being overlarge; the discharging pump can not be lower than the set lowest safe liquid level during discharging, and the evacuation is prevented. The liquid level and the static index are used for controlling the start and stop of the feeding pump and the discharging pump, double guarantee is achieved, and safety in the storage and use processes is improved.
Further, the output end of the temperature transmitter is electrically connected with the control end of the cooling water regulating valve.
The temperature of cyclohexylamine in the storage tank is controlled to be between 15 and 25 ℃ through the temperature transmitter, when the temperature is lower than 15 ℃, the flow rate of cooling water regulated by the cooling water regulating valve is reduced, and when the temperature is higher than 25 ℃, the flow rate of cooling water regulated by the cooling water regulating valve is increased.
Further, the efficient cooling layer comprises a jacket at the outer side of the storage tank, the jacket is internally divided into an inner cooling layer and an outer cooling layer through the partition plate, and the partition plate at one side far away from the cooling water outlet pipe is not contacted with the inner top of the jacket.
Further, the cooling water inlet pipe is connected with the bottom of the inner cooling layer, and the cooling water outlet pipe is connected with the top of the outer cooling layer.
Through setting up interior cooling layer and outer cooling layer for the cooling water of temperature minimum gets into interior cooling layer from the bottom, and the priority cools off the cyclohexylamine in the storage tank, and the cooling water of interior cooling layer upwards reaches the division board top, overflows to outer cooling layer from keeping away from cooling water outlet pipe one side division board top, and the temperature of the cooling water in the outer cooling layer slightly rises than the temperature of interior cooling layer this moment, along with the cooling water outlet pipe of outer cooling layer liquid level rising follow opposite side discharges, and the water of outer cooling layer has played certain separation effect between external high temperature and inside interior cooling layer low temperature, can strengthen the cooling effect of interior cooling layer, has blockked the heating effect of part external high temperature to inside cyclohexylamine simultaneously.
Further, the nitrogen seal system comprises a nitrogen pipeline and a discharge pipeline, wherein the nitrogen pipeline is positioned at the top of the storage tank, the nitrogen pipeline is provided with a self-operated nitrogen seal valve, the discharge pipeline is provided with a breather valve and a flame arrester, and the discharge pipeline is connected with the tail gas treatment device.
Through the setting of nitrogen seal system, avoided the contact of material and air, prevent the spark entering.
Furthermore, a cyclohexane combustible gas detector is arranged near the storage tank.
Once the cyclohexylamine leaks, the cyclohexylamine combustible gas detector can immediately alarm to remind operators of technical emergency disposal.
Further, a pressure transmitter is arranged on the storage tank.
The pressure transmitter is electrically connected with the central control system, so that the nitrogen seal pressure in the storage tank can be conveniently monitored in real time.
Further, a magnetic flap level gauge is arranged on the storage tank.
The magnetic flap level gauge can be used for conveniently observing the liquid level condition of the cyclohexylamine in the storage tank in real time.
The beneficial effects of the utility model are as follows:
(1) According to the utility model, the start and stop of the feed pump and the discharge pump are controlled by two indexes, namely, the static indexes are firstly that the feed pump and the discharge pump cannot be started if the static indexes monitored by the static grounding controller are unqualified, and the feed pump and the discharge pump can be started after the static indexes monitored by the static grounding controller are qualified. Then, the liquid level index is used for ensuring the safety of the storage device, and the feeding liquid level of the feeding pump is not higher than the set highest safe liquid level so as to prevent the pressure in the storage tank from being overlarge; the discharging pump can not be lower than the set lowest safe liquid level during discharging, and the evacuation is prevented. The liquid level and the static index are used for controlling the start and stop of the feeding pump and the discharging pump, double guarantee is achieved, and safety in the storage and use processes is improved.
(2) According to the utility model, by arranging the inner cooling layer and the outer cooling layer, cooling water with the lowest temperature enters the inner cooling layer from the bottom, the cyclohexylamine in the storage tank is cooled preferentially, the cooling water of the inner cooling layer overflows to the outer cooling layer from the top end of the partition plate at one side far away from the cooling water outlet pipe, at the moment, the temperature of the cooling water in the outer cooling layer slightly rises compared with the temperature of the inner cooling layer, and is discharged from the cooling water outlet pipe at the other side along with the rising of the liquid level of the outer cooling layer, the water of the outer cooling layer plays a certain blocking effect between the outside temperature and the inside cooling layer low temperature, the cooling effect of the inner cooling layer can be enhanced, and meanwhile, the heating effect of part of outside high temperature on the inside cyclohexylamine is blocked.
(3) The temperature of cyclohexylamine in the storage tank is controlled to be between 15 and 25 ℃ through the temperature transmitter, when the temperature is lower than 15 ℃, the flow rate of cooling water regulated by the cooling water regulating valve is reduced, and when the temperature is higher than 25 ℃, the flow rate of cooling water regulated by the cooling water regulating valve is increased.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of a cyclohexylamine safety storage apparatus of the present utility model;
In the figure: 1. a storage tank; 2. a jacket; 201. an inner cooling layer; 202. an outer cooling layer; 203. a partition plate; 3. a cooling water inlet pipe; 4. a cooling water regulating valve; 5. a cooling water outlet pipe; 6. a self-operated nitrogen seal valve; 7. a respiratory valve; 8. a tail gas treatment device; 9. a temperature transmitter; 10. a liquid level transmitter; 11. a pressure transmitter; 12. a flame arrester; 13. a magnetic flap level gauge; 14. an electrostatic ground controller; 15. a discharge line; 16. a discharge pump; 17. a feed line; 18. a feed pump; 19. a cyclohexane combustible gas detector.
Detailed Description
The utility model will be described in more detail with reference to examples.
Examples
As shown in FIG. 1, a cyclohexylamine safety storage device comprises a storage tank 1, the outer high-efficient cooling layer that is equipped with of storage tank 1, cooling water inlet tube 3 is connected to high-efficient cooling layer one side bottom, and cooling water outlet pipe 5 is connected at one side top, is equipped with cooling water governing valve 4 on the cooling water inlet tube 3, and storage tank 1 top is equipped with nitrogen seal system, still is equipped with feed line 17 and ejection of compact pipeline 15 on the storage tank 1, and feed line 17 and ejection of compact pipeline 15 bottom are located the storage tank 1 inner bottom, be equipped with feed pump 18 and ejection of compact pump 16 on feed line 17 and the ejection of compact pipeline 15 respectively, be equipped with static ground control appearance 14, temperature transmitter 9 on the storage tank 1, the output electric connection feed pump 18 and the control end of ejection of compact pump 16 of static ground control appearance 14, be equipped with liquid level transmitter 10 on the storage tank 1, the output electric connection feed pump 18 and the control end of ejection of compact pump 16 of liquid level transmitter 10.
The start and stop of the feed pump 18 and the discharge pump 16 are controlled by two indexes, namely, the static indexes firstly, if the static indexes monitored by the static grounding controller 14 are not qualified, the feed pump 18 and the discharge pump 16 cannot be started, and after the static indexes monitored by the static grounding controller 14 are qualified, the feed pump 18 and the discharge pump 16 can be started. Then, the liquid level index is used for ensuring the safety of the storage device, and the feeding pump 18 is not higher than the set highest safe liquid level when feeding, so that the pressure in the storage tank 1 is prevented from being too high; the discharge pump 16 is not capable of discharging below a set minimum safe level to prevent evacuation. The liquid level and the static index are used for controlling the start and stop of the feed pump 18 and the discharge pump 16, double guarantee is achieved, and safety in the storage and use processes is improved.
It can be appreciated that the output end of the temperature transmitter 9 is electrically connected to the control end of the cooling water regulating valve 4.
The temperature of the cyclohexylamine in the storage tank 1 is controlled to be between 15 and 25 ℃ through the temperature transmitter 9, when the temperature is lower than 15 ℃, the flow rate of the cooling water is regulated by the cooling water regulating valve 4 to be slow, and when the temperature is higher than 25 ℃, the flow rate of the cooling water is regulated by the cooling water regulating valve 4 to be fast.
It can be understood that the efficient cooling layer comprises a jacket 2 outside the storage tank 1, the inside of the jacket 2 is divided into an inner cooling layer 201 and an outer cooling layer 202 by a partition plate 203, and the partition plate 203 at the side far away from the cooling water outlet pipe 5 is not contacted with the inner top of the jacket 2.
It will be appreciated that the cooling water inlet pipe 3 is connected to the bottom of the inner cooling layer 201, and the cooling water outlet pipe 5 is connected to the top of the outer cooling layer 202.
By arranging the inner cooling layer 201 and the outer cooling layer 202, cooling water with the lowest temperature enters the inner cooling layer 201 from the bottom, the cyclohexylamine in the storage tank 1 is cooled preferentially, the cooling water of the inner cooling layer 201 overflows to the outer cooling layer 202 from the top end of the partition plate 203 on one side far away from the cooling water outlet pipe 5, at the moment, the temperature of the cooling water in the outer cooling layer 202 is slightly higher than that of the inner cooling layer 201, the cooling water in the outer cooling layer 202 is discharged from the cooling water outlet pipe 5 on the other side along with the rising of the liquid level of the outer cooling layer 202, a certain blocking effect is achieved between the outside temperature and the low temperature of the inner cooling layer 201, the cooling effect of the inner cooling layer 201 can be enhanced, and meanwhile, the heating effect of part of the outside high temperature on the inner cyclohexylamine is blocked.
It can be understood that the nitrogen seal system comprises a nitrogen pipeline and a discharge pipeline, wherein the nitrogen pipeline and the discharge pipeline are arranged at the top of the storage tank 1, the nitrogen pipeline is provided with a self-operated nitrogen seal valve 6, the discharge pipeline is provided with a breather valve 7 and a flame arrester 12, and the discharge pipeline is connected with the tail gas treatment device 8.
Through the setting of nitrogen seal system, avoided the contact of material and air, prevent the spark entering.
It will be appreciated that a cyclohexane flammable gas detector 19 is provided adjacent to the tank 1.
Once the cyclohexylamine leaks, the cyclohexylamine combustible gas detector 19 can immediately alarm to remind operators of technical emergency disposal.
It will be appreciated that the tank 1 is provided with a pressure transmitter 11.
The pressure transmitter 11 is electrically connected with the central control system, so that the nitrogen seal pressure in the storage tank 1 can be conveniently monitored in real time.
It can be appreciated that the tank 1 is provided with a magnetic flap level gauge 13.
The magnetic flap level gauge 13 is arranged to facilitate the real-time observation of the level of the cyclohexylamine in the storage tank 1.
Claims (8)
1. The utility model provides a cyclohexylamine safety storage device, a serial communication port, including storage tank (1), storage tank (1) outside is equipped with high-efficient cooling layer, and cooling water inlet tube (3) are connected to one side bottom of high-efficient cooling layer, and cooling water outlet pipe (5) are connected at one side top, are equipped with cooling water governing valve (4) on cooling water inlet tube (3), and storage tank (1) top is equipped with nitrogen seal system, still is equipped with feed line (17) and ejection of compact pipeline (15) on storage tank (1), and feed line (17) and ejection of compact pipeline (15) bottom are located storage tank (1) inner bottom, be equipped with feed pump (18) and ejection of compact pump (16) on feed line (17) and ejection of compact pipeline (15) respectively, be equipped with static ground control appearance (14), temperature changer (9) on storage tank (1), the output electric connection feed pump (18) of static ground control appearance (14) and the control end of ejection of compact pump (16), be equipped with liquid level gauge (10) on storage tank (1), the output electric connection feed pump (18) of liquid level gauge (10) and the control end of ejection of compact pump (16).
2. Cyclohexylamine safety storage according to claim 1, characterized in that the output of the temperature transmitter (9) is electrically connected to the control end of the cooling water regulating valve (4).
3. The cyclohexylamine safe storage device according to claim 2, wherein the efficient cooling layer comprises a jacket (2) outside the storage tank (1), the jacket (2) is internally divided into an inner cooling layer (201) and an outer cooling layer (202) by a partition plate (203), and the partition plate (203) at the side far away from the cooling water outlet pipe (5) is not contacted with the inner top of the jacket (2).
4. A cyclohexylamine safety storage device according to claim 3, characterized in that the cooling water inlet pipe (3) is connected to the bottom of the inner cooling layer (201) and the cooling water outlet pipe (5) is connected to the top of the outer cooling layer (202).
5. The cyclohexylamine safe storage device according to claim 1, characterized in that the nitrogen sealing system comprises a nitrogen pipeline and a discharge pipeline, wherein the nitrogen pipeline is arranged at the top of the storage tank (1), the nitrogen pipeline is provided with a self-operated nitrogen sealing valve (6), the discharge pipeline is provided with a breather valve (7) and a flame arrester (12), and the discharge pipeline is connected with the tail gas treatment device (8).
6. A safety storage device for cyclohexylamine according to claim 1, characterized in that a detector (19) for the combustible gas of cyclohexylamine is arranged near the storage tank (1).
7. Cyclohexylamine safety storage device according to claim 1, characterized in that the tank (1) is provided with a pressure transmitter (11).
8. Cyclohexylamine safety storage device according to claim 1, characterized in that the tank (1) is provided with a magnetic flap level gauge (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421467503.5U CN221419437U (en) | 2024-06-26 | 2024-06-26 | Cyclohexylamine safe storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421467503.5U CN221419437U (en) | 2024-06-26 | 2024-06-26 | Cyclohexylamine safe storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221419437U true CN221419437U (en) | 2024-07-26 |
Family
ID=91977243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421467503.5U Active CN221419437U (en) | 2024-06-26 | 2024-06-26 | Cyclohexylamine safe storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221419437U (en) |
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2024
- 2024-06-26 CN CN202421467503.5U patent/CN221419437U/en active Active
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