CN211147385U - Triethyl aluminum cooling process system - Google Patents
Triethyl aluminum cooling process system Download PDFInfo
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- CN211147385U CN211147385U CN201921629062.3U CN201921629062U CN211147385U CN 211147385 U CN211147385 U CN 211147385U CN 201921629062 U CN201921629062 U CN 201921629062U CN 211147385 U CN211147385 U CN 211147385U
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- valve
- triethyl aluminum
- pipeline
- outer cylinder
- cooling process
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- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 12
- 239000011494 foam glass Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 12
- 230000002269 spontaneous effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CMAOLVNGLTWICC-UHFFFAOYSA-N 2-fluoro-5-methylbenzonitrile Chemical compound CC1=CC=C(F)C(C#N)=C1 CMAOLVNGLTWICC-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 125000005234 alkyl aluminium group Chemical group 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- MGDOJPNDRJNJBK-UHFFFAOYSA-N ethylaluminum Chemical compound [Al].C[CH2] MGDOJPNDRJNJBK-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a triethyl aluminum cooling process system, which comprises a cooler, a triethyl aluminum pipeline, a pressure interlocking device and a nitrogen regulating valve group, wherein the cooler comprises an outer cylinder, an inner cylinder, a flange and a first pipeline; the pressure interlocking device comprises a remote pressure gauge, an emergency cut-off valve, a first valve and a safety instrument system, wherein the safety instrument system is in electric signal connection with the remote pressure gauge and the emergency cut-off valve; the nitrogen regulating valve group comprises a second pipeline, a check valve and a second valve; the outer cylinder and the inner cylinder are arranged, so that the cooling effect of the triethyl aluminum is ensured, and meanwhile, the danger that the aluminum triethyl pipe is contacted with air to generate spontaneous combustion and the like when leaking is avoided; the safety instrument system is electrically connected with the remote transmission pressure gauge and the emergency cut-off valve, when leakage occurs, the emergency cut-off valve receives an electric signal from the safety instrument system and closes the valve, dangers such as possible spontaneous combustion of triethyl aluminum and the like are avoided in time, and safety and reliability of the triethyl aluminum cooling system are improved.
Description
Technical Field
The utility model belongs to the technical field of cooling process technique and specifically relates to a triethyl aluminum cooling process system.
Background
Triethyl aluminum belongs to alkyl aluminum varieties and plays an important role in the production process as a catalyst of a polypropylene device; in China, the main alkyl aluminum species are TEA (triethylaluminum), DEAC (diethylaluminum monochloride), TIBA (triisobutylaluminum), EADC (ethyl aluminum dichloroide) and EASC (ethyl aluminum sesquichloride). The main chemical characteristics of triethyl aluminum are as follows:
a. spontaneous combustion in air to generate aluminum oxide, carbon dioxide, water and the like; reacting with oxygen to release heat;
b. the reaction with water is very violent and explodes to generate aluminum hydroxide and the like, and the reaction heat reaches 1100Kcal/Kg at 25 ℃;
C. can react with halogen and compounds thereof;
d. can react with carbon dioxide or sulfur dioxide in the presence of water to generate alcohol or acid;
e. and the reduction reaction with acetaldehyde and the like.
Pure triethyl aluminum is active in chemical property, needs to be stored under the protection of inert gas (dry nitrogen) at normal temperature, and is shipped and used in a special steel cylinder with protective facilities; when the solution is diluted to below 20-30% by hydrocarbon solvent (such as isopentane, heptane, etc.), the solution becomes non-pyrophoric solution; in the industrial production process, the triethyl aluminum is absorbed and recovered by mineral oil, the concentration of the triethyl aluminum in the mineral oil is 10-15%, and for example, the triethyl aluminum in a polypropylene device needs to be cooled to 10 ℃ and then acts as a catalyst for use.
According to investigation, the existing triethyl aluminum cooling equipment mainly has the following forms: an inner coil cooler and an outer coil cooler.
(1) The inner coil type cooler is characterized in that a coil is arranged in a container and is directly contacted with a cooling medium; the inner coil type cooler has the advantages that the coil is required to be placed inside the cooler, the potential safety hazard is large, the coil cannot be detected, triethyl aluminum is in direct contact with cooling media due to corrosion and leakage of the coil, and serious risks such as spontaneous combustion and explosion can be caused.
(2) The outer coil pipe type cooler is used for winding triethyl aluminum on the outer wall of a tank container filled with refrigerants (ethylene glycol aqueous solution and the like) through an outer coil pipe line for cooling, although the outer coil pipe of the prior art system can realize detection, the outer side of the outer coil pipe is only provided with a cold insulation layer, and dangers that the triethyl aluminum leaks out, and spontaneous combustion occurs after meeting air and the like cannot be avoided; the method also has potential safety hazards, the coil pipe is difficult to detect and maintain, and if the coil pipe is corroded and leaked, triethyl aluminum is in direct contact with a cooling medium, and serious risks such as spontaneous combustion and explosion can occur.
In addition, most of the existing triethyl aluminum cooling pipeline systems are not provided with automatic control instruments, and alarm, automatic interlocking cut-off and the like under emergency conditions cannot be realized.
Therefore, a triethyl aluminum cooling scheme which is simple in process flow, simple in equipment structure and safer and is suitable for the field conditions of a chemical plant area needs to be designed, the difficulty and the workload of maintenance can be reduced, the production efficiency of the device is improved, and the safety and the reliability of a triethyl aluminum cooling system are effectively improved.
SUMMERY OF THE UTILITY MODEL
Improve triethyl aluminum cooling system's security and the problem of reliability to the aforesaid needs, the utility model provides a triethyl aluminum cooling process system.
In order to achieve the above purpose, the utility model discloses a realize through following technical scheme:
a triethyl aluminum cooling process system comprises a cooler, a triethyl aluminum pipeline, a pressure interlocking device and a nitrogen regulating valve group, wherein the cooler comprises an outer cylinder, an inner cylinder, a flange and a first pipeline, the inner cylinder is arranged in the outer cylinder, the triethyl aluminum pipeline penetrates through the outer cylinder and is wound on the outer wall of the inner cylinder, namely the triethyl aluminum pipeline penetrates into the outer cylinder from the upper side end of the outer cylinder and penetrates out of the outer cylinder from the lower side end of the outer cylinder after being wound on the inner cylinder, the flanges are arranged at two ends of the inner cylinder and the outer cylinder, the inner cylinder and the outer cylinder are sealed by the flanges, and the first pipeline is installed on the flanges in a communicated manner; the pressure interlocking device comprises a remote pressure gauge, an emergency cut-off valve, a first valve and a safety instrument system, the remote pressure gauge is arranged on the outer barrel, the emergency cut-off valve and the first valve are arranged at two ends of the triethyl aluminum pipeline, and the safety instrument system is in electrical signal connection with the remote pressure gauge and the emergency cut-off valve; the nitrogen regulating valve group comprises a second pipeline, a check valve and a second valve, the second pipeline is communicated with the side end of the outer barrel, and the check valve and the second valve are installed on the second pipeline.
Further, a pressure gauge is arranged on the outer cylinder; the pressure value between the inner barrel and the outer barrel can be conveniently known in site investigation.
Furthermore, the first pipeline is provided with a third valve, the third valve controls the flow of inlet and outlet of chilled water, the first valve, the second valve and the third valve are gate valves, the gate valves are compact in structure, good in valve rigidity, smooth in channel, small in flow resistance, long in service life, reliable in sealing and portable and flexible in operation, and sealing surfaces are made of stainless steel and hard alloy and filled with PTFE (polytetrafluoroethylene).
Furthermore, an alarm is also arranged on the outer barrel and is in electrical signal connection with the safety instrument system; when the triethyl aluminum pipeline leaks, the alarm can immediately close the inlet and outlet of the emergency cut-off valve in an interlocking manner, and timely lights and sounds for alarming to remind workers to deal with accidents.
Further, the first valve and the second valve are respectively arranged at two ends of the emergency cut-off valve and the check valve; when the quick emergency valve with when the check valve breaks down, close both ends first valve with the second valve, it is convenient quick emergency valve with the check valve maintains.
Further, the outer wall of the outer barrel is provided with a heat insulation layer, and the heat insulation layer is made of foam glass materials; the foam glass has the advantages of light weight, small heat conductivity coefficient, small water absorption, no combustion, no mildew, high strength, corrosion resistance, no toxicity, stable physical and chemical properties and the like, is widely applied to the fields of petroleum, chemical engineering and the like, can achieve the effects of heat insulation, heat preservation, cold insulation and sound absorption, does not shrink or embrittle in a low-temperature environment with a wide application temperature range of (-196 to +400 ℃), and is an ideal heat insulating material for heating, ventilating and refrigerating engineering; because the foam glass has good heat insulation performance, water resistance and water vapor permeability, the foam glass is an ideal heat-insulating energy-saving material, can keep the low temperature in the cooler, and is beneficial to improving the cooling effect of the cooler.
The utility model has the advantages that: the triethyl aluminum pipeline penetrates through the outer cylinder and is wound on the outer wall of the inner cylinder, so that the cooling effect of triethyl aluminum is ensured, and meanwhile, the danger of spontaneous combustion and the like caused by contact with air when the triethyl aluminum pipeline leaks is avoided; safety instrument system with teletransmission manometer and emergency cut-off valve electricity signal connection works as the teletransmission manometer detects the urceolus with pressure value between the inner tube exceeds standard, promptly when the triethyl aluminum pipeline takes place to leak, the emergency cut-off valve is received and is come from safety instrument system's signal of telecommunication and closing valve have in time avoided dangerous emergence such as the possible spontaneous combustion of triethyl aluminum, have improved triethyl aluminum cooling system's security and reliability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. an outer cylinder; 2. an inner barrel; 3. a triethylaluminum line; 4. a flange; 5. an emergency shut-off valve; 6. a first valve; 7. a second conduit; 8. a check valve; 9. a second valve; 10. a safety instrumented system; 11. a first conduit; 12. a third valve; 13. a pressure gauge; 14. a remote pressure gauge; 15. an alarm.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, a triethyl aluminum cooling process system comprises a cooler, a triethyl aluminum pipeline 3, a pressure interlocking device and a nitrogen regulating valve group, wherein the cooler comprises an outer cylinder 1, an inner cylinder 2, a flange 4 and a first pipeline 11, the inner cylinder 2 is arranged in the outer cylinder 1, the triethyl aluminum pipeline 3 penetrates through the outer cylinder 1 and is wound on the outer wall of the inner cylinder 2, namely, the triethyl aluminum pipeline 3 penetrates into the outer cylinder 1 from the upper side end of the outer cylinder 1 and penetrates and extends out of the lower side end of the outer cylinder 1 after being wound on the inner cylinder 2, the flanges 4 are arranged at two ends of the inner cylinder 2 and the outer cylinder 1, the inner cylinder 2 and the outer cylinder 1 are sealed by the flanges 4, and the first pipeline 11 is communicated and installed on the flanges; the pressure interlocking device comprises a remote pressure gauge 14, an emergency cut-off valve 5, a first valve 6 and a safety instrument system 10, wherein the remote pressure gauge 14 is arranged on the outer cylinder 1, the emergency cut-off valve 5 and the first valve 6 are arranged at two ends of the triethyl aluminum pipeline 3, and the safety instrument system 10 is in electric signal connection with the remote pressure gauge 14 and the emergency cut-off valve 5; the nitrogen regulating valve group comprises a second pipeline 7, a check valve 8 and a second valve 9, the second pipeline 7 is communicated with the side end of the outer barrel 1, and the check valve 8 and the second valve 9 are installed on the second pipeline 7.
A pressure gauge 13 is arranged on the outer cylinder 1; the pressure value between the inner barrel 2 and the outer barrel 1 can be conveniently known in site investigation.
The first pipeline 11 is provided with the third valve 12, the third valve 12 controls the inlet and outlet flow of chilled water, the first valve 6, the second valve 9 and the third valve 12 are gate valves, the gate valves are compact in structure, good in valve rigidity, smooth in channel and small in flow resistance, a sealing surface is made of stainless steel and hard alloy, the service life is long, PTFE (polytetrafluoroethylene) packing is adopted, the sealing is reliable, and the operation is light and flexible.
The outer cylinder 1 is also provided with an alarm 15, and the alarm 15 is in electrical signal connection with the safety instrument system 10; when the triethyl aluminum pipeline 3 leaks, the alarm 15 can immediately close the inlet and outlet emergency cut-off valve 5 in an interlocking way and can timely light up and give out sound to alarm to remind workers to deal with accidents.
Both ends of the emergency cut-off valve 5 and the check valve 8 are respectively provided with a first valve 6 and a second valve 9; when the emergency cut-off valve 5 and the check valve 8 are in failure, the first valve 6 and the second valve 9 at the two ends are closed, so that the emergency cut-off valve 5 and the check valve 8 are convenient to maintain.
The outer wall of the outer barrel 1 is provided with a heat insulation layer which is made of foam glass material; the foam glass has the advantages of light weight, small heat conductivity coefficient, small water absorption, no combustion, no mildew, high strength, corrosion resistance, no toxicity, stable physical and chemical properties and the like, is widely applied to the fields of petroleum, chemical engineering and the like, can achieve the effects of heat insulation, heat preservation, cold insulation and sound absorption, does not shrink or embrittle in a low-temperature environment with a wide application temperature range of (-196 to +400 ℃), and is an ideal heat insulating material for heating, ventilating and refrigerating engineering. Because the foam glass has good heat insulation performance, water resistance and water vapor permeability, the foam glass is an ideal heat-insulating energy-saving material, can keep the low temperature in the cooler, and is beneficial to improving the cooling effect of the cooler.
The utility model discloses an embodiment does:
as shown in fig. 1, the chilled water enters the inside of the inner cylinder 2 from the third valve 12 and the flange 4 in the first pipe 11 and flows out through the flange 4 and the first pipe 11 from the other end of the inner cylinder 2, thus being circulated and cooled, while the nitrogen gas enters the inside of the outer cylinder 1 through the second valve 9 and the check valve 8 through the second pipe 7, and the triethylaluminum enters the inside of the outer cylinder 1 through the first valve 6 and the emergency cut valve 5 in the triethylaluminum pipe 3 and is cooled along the outer wall of the inner cylinder 2, and then flows out of the outer cylinder 1 again and passes through the first valve 6 and the emergency cut valve 5, and finally flows to the next process, during which if the triethylaluminum pipe 3 leaks, the value of the remote pressure gauge 14 rises, and the safety instrumentation system 10 receives the value rising information from the remote pressure gauge 14, and feeds back the information to the emergency cut valve 5, then the emergency cut-off valve 5 is closed, and triethyl aluminum is prohibited from entering the inner part of the outer cylinder 1 to carry out cooling operation; when the quick cut valve 5 and the check valve 8 are out of order, the quick cut valve 5 and the check valve 8 are repaired after the first valve 6 and the second valve 9 at both ends are closed.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
the cooling device is provided with the outer cylinder 1 and the inner cylinder 2, and the triethyl aluminum pipeline 3 penetrates through the outer cylinder 1 and is wound on the outer wall of the inner cylinder 2, so that the cooling effect of triethyl aluminum is ensured, and meanwhile, the danger that the triethyl aluminum pipeline 3 is contacted with air to generate spontaneous combustion and the like when being leaked is avoided; safety instrument system 10 and teletransmission manometer 14 and quick action emergency valve 5 electricity signal connection, when teletransmission manometer 14 detected that the pressure value between urceolus 1 and the inner tube 2 exceeds standard, when triethylaluminium pipeline 3 takes place to leak promptly, quick action emergency valve 5 received the signal of telecommunication that comes from safety instrument system 10 and closed the valve, in time avoided the dangerous emergence such as triethylaluminium probably spontaneous combustion, improved triethylaluminium cooling system's security and reliability.
The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (6)
1. A triethyl aluminum cooling process system comprises a cooler, a triethyl aluminum pipeline, a pressure interlocking device and a nitrogen regulating valve group, and is characterized in that the cooler comprises an outer cylinder, an inner cylinder, a flange and a first pipeline, wherein the inner cylinder is arranged in the outer cylinder, the triethyl aluminum pipeline penetrates through the outer cylinder and is wound on the outer wall of the inner cylinder, the flanges are arranged at two ends of the inner cylinder and the outer cylinder, and the first pipeline is installed on the flanges in a communicating manner; the pressure interlocking device comprises a remote pressure gauge, an emergency cut-off valve, a first valve and a safety instrument system, the remote pressure gauge is arranged on the outer barrel, the emergency cut-off valve and the first valve are arranged at two ends of the triethyl aluminum pipeline, and the safety instrument system is in electrical signal connection with the remote pressure gauge and the emergency cut-off valve; the nitrogen regulating valve group comprises a second pipeline, a check valve and a second valve, the second pipeline is communicated with the side end of the outer barrel, and the check valve and the second valve are installed on the second pipeline.
2. A triethyl aluminum cooling process system according to claim 1, wherein said outer cylinder is provided with a pressure gauge.
3. A triethyl aluminum cooling process system according to claim 1, wherein said first pipe is provided with a third valve, and said first valve, second valve and third valve are gate valves.
4. A triethyl aluminum cooling process system according to claim 1, wherein said outer barrel is further provided with an alarm, said alarm is in electrical signal connection with said safety instrumentation system.
5. A triethyl aluminum cooling process system according to claim 1, wherein said first valve and said second valve are provided at both ends of said emergency shut-off valve and said check valve, respectively.
6. A triethyl aluminum cooling process system according to claim 1, wherein the outer wall of said outer barrel is provided with a thermal insulation layer, said thermal insulation layer is made of foam glass material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921629062.3U CN211147385U (en) | 2019-09-27 | 2019-09-27 | Triethyl aluminum cooling process system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921629062.3U CN211147385U (en) | 2019-09-27 | 2019-09-27 | Triethyl aluminum cooling process system |
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CN211147385U true CN211147385U (en) | 2020-07-31 |
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CN201921629062.3U Active CN211147385U (en) | 2019-09-27 | 2019-09-27 | Triethyl aluminum cooling process system |
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Denomination of utility model: A triethylaluminum cooling process system Effective date of registration: 20231214 Granted publication date: 20200731 Pledgee: Industrial and Commercial Bank of China Limited Dianbai Branch Pledgor: MAOMING R&P PETROCHEMICAL ENGINEERING Co.,Ltd. Registration number: Y2023980071435 |