CN219889320U - Poisonous gas leakage-proof storage tank - Google Patents
Poisonous gas leakage-proof storage tank Download PDFInfo
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- CN219889320U CN219889320U CN202321495099.8U CN202321495099U CN219889320U CN 219889320 U CN219889320 U CN 219889320U CN 202321495099 U CN202321495099 U CN 202321495099U CN 219889320 U CN219889320 U CN 219889320U
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- bin
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- vacuum
- valve
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- 238000003860 storage Methods 0.000 title claims abstract description 92
- 231100000614 poison Toxicity 0.000 title claims abstract description 13
- 230000007096 poisonous effect Effects 0.000 title claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 95
- 239000007789 gas Substances 0.000 claims description 63
- 239000007788 liquid Substances 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- 239000002341 toxic gas Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 239000002435 venom Substances 0.000 claims description 12
- 231100000611 venom Toxicity 0.000 claims description 12
- 210000001048 venom Anatomy 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims description 7
- 239000002250 absorbent Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000005501 phase interface Effects 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the technical field of chemical industry, and particularly relates to a poisonous gas leakage-proof storage tank which comprises a storage bin, a vacuum bin and a negative pressure bin which are arranged from inside to outside, and an absorption system is matched with the storage bin, wherein the system comprises a fan, an absorption tower, an absorption circulating pump and an absorption cooler. The utility model adopts the design of the storage tank, the vacuum bin and the negative pressure bin, and the vacuum bin is a normalized airtight vacuum, so that the problem of limiting the material flow after the storage tank is damaged is solved; the negative pressure bin is normalized to normal pressure, the blower is started after leakage to cause negative pressure, the problem that leakage points such as flange pipe fittings are used for limiting material flow after leakage is solved, and the leaked materials are brought into the absorption system through the negative pressure.
Description
Technical Field
The utility model belongs to the technical field of chemical industry, and particularly relates to a poisonous gas leakage-proof storage tank.
Background
Toxic liquid gases such as: liquid chlorine, hydrogen fluoride, sulfur dioxide, sulfur trioxide, phosgene, hydrogen sulfide and the like are widely used in the chemical industry, the existing equipment is often stored in a steel storage tank, once leakage cannot be collected, for the situation, the requirements are set by regulatory authorities and individual industry associations, the storage tank is arranged in a closed warehouse and is provided with an automatic absorption device, the method is popularized, but the manufacturing cost is generally high, an absorption system is influenced by the warehouse space, the absorption air quantity is much larger than the actual toxic gas phase, and the type of the absorption system equipment is larger.
Disclosure of Invention
The utility model provides a poisonous gas leakage-proof storage tank for solving the problems, which comprises the following specific technical scheme:
a poisonous gas leakage-proof storage tank: the leakage-proof storage tank comprises a storage bin, a vacuum bin and a negative pressure bin which are arranged from inside to outside; the storage bin is a sealing bin body made of carbon steel or alloy steel; a metal sealing jacket is tightly arranged outside the storage bin, and the vacuum bin is formed by connecting a fan in the sealing jacket and vacuumizing; the negative pressure bin is a closed cabinet body made of negative pressure resistant metal plates, and the storage bin and the vacuum bin are wrapped in the closed cabinet body;
the storage bin and the vacuum bin are manufactured by full welding, 100% ray detection is carried out on welding seams, and the compression resistance of the storage bin is required: the internal pressure is not lower than PN25 pressure grade, and the external pressure is vacuum compression resistance; the poisonous gas leakage-proof storage tank is provided with an absorption system, and the absorption system comprises a fan, an absorption tower, an absorption circulating pump and an absorption cooler.
Further, an SIS system liquid level instrument interface, a DCS system pressure instrument interface, a gas phase interface of a desorption tower, a gas phase balance interface of a buffer tank, a nitrogen interface, a feed inlet, a discharge outlet, a manhole and a standby port are arranged at the upper part of the storage bin, and a blow-down pipe interface is connected at the lower part of the storage bin; the interfaces are all discharged from the storage bin, extend out of the outer wall of the vacuum bin by about 150mm, are fully welded and sealed with the storage bin and the vacuum bin, and carry out 100% ray detection on welding seams; a remote transmission manual development valve is arranged on a gas phase interface and a nitrogen interface of the absorption tower; a pressure linkage switch valve is arranged on a gas phase balance interface of the buffer tank; the feeding port is provided with an SIS system liquid level interlocking switch valve and a DCS system liquid level interlocking switch valve respectively.
Furthermore, a vacuum interface is arranged at the upper part of the vacuum bin, a detection and analysis interface is arranged at the lower part of the vacuum bin, and internal circulation automatic detection and analysis is adopted.
Further, a toxic gas detection alarm is arranged above the vacuum bin in the negative pressure bin; a toxic gas detection alarm is arranged below the vacuum bin; the negative pressure bin is provided with an overhaul port on the upper surface, and an absorption fan port is arranged at the bottom of the negative pressure bin.
Further, a venom gas inlet for feeding venom gas into the storage tank and a venom gas outlet for discharging the venom gas out of the storage tank are arranged; a DCS system interlocking shut-off valve, an SIS system interlocking shut-off valve, a hand valve and a check valve are arranged in a negative pressure bin on an inlet pipeline along the flow direction; a check valve, a hand valve, an SIS system interlocking shut-off valve and a DCS system interlocking shut-off valve are arranged in a negative pressure bin on an outlet pipeline along the flow direction; the inlet pipeline and the outlet pipeline extend into the bottom of the storage bin.
Further, a nitrogen inlet for nitrogen to enter the storage tank is also arranged, a DCS system remote operation switch valve, a hand valve and a check valve are arranged in the negative pressure bin on the nitrogen inlet pipeline along the flow direction, and the nitrogen inlet pipeline is connected to the top of the storage bin without going deep; the gas phase balance pipe is led into the buffer tank, a DCS system interlocking switch valve is arranged in the negative pressure bin on the gas phase balance pipe along the flow direction, and the gas phase balance pipe is connected to the top of the storage bin without going deep; the two safety valve interfaces and the two safety valve outlets are combined into a main pipe, and the negative pressure outlet bin is communicated into an absorption system; the bottom of the safety valve is provided with a hand valve; the mouth of the safety valve pipe is connected to the top of the storage bin and does not go deep; the manual emptying pipe is connected with the toxic gas into the system, a DCS system remote operation switch valve is arranged in the negative pressure bin on the manual emptying pipe along the flow direction, and the manual emptying pipe is connected with the top of the storage bin without going deep; the DCS system pressure taking port, the DCS system liquid level measuring port and the SIS system liquid level measuring port are respectively provided with corresponding meters; a sewage outlet is arranged at the bottom of the storage bin and in the negative pressure bin, a two-hand valve and a blind plate are arranged on a pipeline of the sewage outlet close to the pipe orifice for sealing; the bottom of the vacuum bin is provided with a circulating closed on-line toxic gas detector, and the toxic gas detector is connected out of the vacuum bin and returns to the vacuum bin.
Further, two interfaces are arranged on the negative pressure bin: a gas phase outlet at the bottom is connected with a tail gas absorption system fan; and a pressure gauge interface at the top is used for leading out a pressure signal to a control system and controlling a tail gas absorption system fan in an interlocking manner.
Further, the storage tank is provided with an absorption system which comprises a fan, an absorption tower, an absorption circulating pump and an absorption cooler; the fan provides negative pressure power for the negative pressure bin; the absorption tower is arranged as an upper columnar tower, the lower part is an absorbent temporary storage tank, an absorption gas inlet is arranged near the lower part of the tower, an absorption liquid inlet and a tail gas outlet are arranged near the upper part, and an absorption liquid outlet is arranged at the bottom; the absorption liquid outlet is connected to an absorption circulating pump; the absorption circulating pump pumps out the feed liquid to enter the absorption cooler, exchanges heat with circulating water, and after heat exchange, the absorption liquid is connected to an absorption liquid inlet arranged at the upper part of the absorption tower.
The utility model has the beneficial effects that: the utility model reduces the construction of the closed warehouse of the original management and control scheme, can concentrate the leakage points in the negative pressure bin, greatly reduces the absorption gas quantity, reduces the civil engineering cost and also reduces the equipment investment cost; meanwhile, the automatic control is adopted, so that personnel are prevented from being exposed in a toxic gas environment; the absorbent adopts low-concentration liquid alkali, water or low-concentration acid with low price, and the operation cost is low.
The utility model adopts the design of the storage tank, the vacuum bin and the negative pressure bin, and the vacuum bin is a normalized airtight vacuum, so that the problem of limiting the material flow after the storage tank is damaged is solved; the negative pressure bin is normal pressure, the blower is started after leakage to cause negative pressure, the problem that leakage points such as flange pipe fittings are used for limiting material flow after leakage is solved, and the leaked materials are brought into the absorption system through the negative pressure. The leakage detection device automatically detects leakage and performs absorption treatment without personnel contact, and has high treatment efficiency in time and no harm to staff.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Reference numerals:
1-a storage bin, 2-a vacuum bin and 3-a negative pressure bin; 4-a fan; 5-an absorption tower; 6-an absorption circulation pump; 7-absorption chiller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, a poisonous gas leakage preventing storage tank: the leakage-proof storage tank comprises a storage bin 1, a vacuum bin 2 and a negative pressure bin 3 which are arranged from inside to outside; and a matched absorption system, which comprises a fan 4, an absorption tower 5, an absorption circulating pump 6 and an absorption cooler 7.
The storage bin is a sealing bin body made of carbon steel or alloy steel; a metal sealing jacket is tightly arranged outside the storage bin, and the vacuum bin is formed by connecting a fan in the sealing jacket and vacuumizing; the negative pressure bin is a closed cabinet body made of negative pressure resistant metal plates, and the storage bin and the vacuum bin are wrapped in the closed cabinet body;
the storage bin and the vacuum bin are manufactured by full welding, 100% ray detection is carried out on welding seams, and the compression resistance of the storage bin is required: the internal pressure is not lower than PN25 pressure grade, and the external pressure is vacuum compression resistance.
The upper part of the storage bin is provided with an SIS system liquid level instrument interface, a DCS system pressure instrument interface, an absorption tower gas phase removing interface, a buffer tank gas phase balancing interface, a nitrogen interface, a feed inlet, a discharge outlet, a manhole and a standby port, and the lower part of the storage bin is connected with a blow-down pipe interface; the interfaces are all discharged from the storage bin, extend out of the outer wall of the vacuum bin by about 150mm, are fully welded and sealed with the storage bin and the vacuum bin, and carry out 100% ray detection on welding seams; a remote transmission manual development valve is arranged on a gas phase interface and a nitrogen interface of the absorption tower; a pressure linkage switch valve is arranged on a gas phase balance interface of the buffer tank; the feeding port is provided with an SIS system liquid level interlocking switch valve and a DCS system liquid level interlocking switch valve respectively.
The upper part of the vacuum bin is provided with a vacuum interface, the lower part of the vacuum bin is provided with a detection and analysis interface, and internal circulation automatic detection and analysis is adopted. A toxic gas detection alarm is arranged in the negative pressure bin and above the vacuum bin; a toxic gas detection alarm is arranged below the vacuum bin; the negative pressure bin is provided with an overhaul port on the upper surface, and an absorption fan port is arranged at the bottom of the negative pressure bin. A venom gas inlet for feeding venom gas into the storage tank and a venom gas outlet for discharging the venom gas out of the storage tank are arranged; a DCS system interlocking shut-off valve, an SIS system interlocking shut-off valve, a hand valve and a check valve are arranged in a negative pressure bin on an inlet pipeline along the flow direction; a check valve, a hand valve, an SIS system interlocking shut-off valve and a DCS system interlocking shut-off valve are arranged in a negative pressure bin on an outlet pipeline along the flow direction; the inlet pipeline and the outlet pipeline extend into the bottom of the storage bin.
The nitrogen inlet is arranged in a negative pressure bin on a nitrogen inlet pipeline, a DCS system remote operation switch valve, a hand valve and a check valve are arranged along the flow direction, and the nitrogen inlet pipeline is connected to the top of the storage bin and does not go deep; the gas phase balance pipe is led into the buffer tank, a DCS system interlocking switch valve is arranged in the negative pressure bin on the gas phase balance pipe along the flow direction, and the gas phase balance pipe is connected to the top of the storage bin without going deep; the two safety valve interfaces and the two safety valve outlets are combined into a main pipe, and the negative pressure outlet bin is communicated into an absorption system; the bottom of the safety valve is provided with a hand valve; the mouth of the safety valve pipe is connected to the top of the storage bin and does not go deep; the manual emptying pipe is connected with the toxic gas into the system, a DCS system remote operation switch valve is arranged in the negative pressure bin on the manual emptying pipe along the flow direction, and the manual emptying pipe is connected with the top of the storage bin without going deep; the DCS system pressure taking port, the DCS system liquid level measuring port and the SIS system liquid level measuring port are respectively provided with corresponding meters; a sewage outlet is arranged at the bottom of the storage bin and in the negative pressure bin, a two-hand valve and a blind plate are arranged on a pipeline of the sewage outlet close to the pipe orifice for sealing; the bottom of the vacuum bin is provided with a circulating closed on-line toxic gas detector, and the toxic gas detector is connected out of the vacuum bin and returns to the vacuum bin.
Two interfaces are arranged on the negative pressure bin: a gas phase outlet at the bottom is connected with a tail gas absorption system fan; and a pressure gauge interface at the top is used for leading out a pressure signal to a control system and controlling a tail gas absorption system fan in an interlocking manner.
The storage tank is provided with an absorption system which comprises a fan, an absorption tower, an absorption circulating pump and an absorption cooler; the fan provides negative pressure power for the negative pressure bin; the absorption tower is arranged as an upper columnar tower, the lower part is an absorbent temporary storage tank, an absorption gas inlet is arranged near the lower part of the tower, an absorption liquid inlet and a tail gas outlet are arranged near the upper part, and an absorption liquid outlet is arranged at the bottom; the absorption liquid outlet is connected to an absorption circulating pump; the absorption circulating pump pumps out the feed liquid to enter the absorption cooler, exchanges heat with circulating water, and after heat exchange, the absorption liquid is connected to an absorption liquid inlet arranged at the upper part of the absorption tower.
The use method of the leakage-proof storage tank comprises the following steps:
step (1): when toxic gas is possibly leaked from a leakage point in the storage tank storage and discharging process, a toxic gas alarm instrument in the negative pressure bin detects the toxic gas, and an alarm parallel lock starts a fan, an absorption circulating pump and cooling water supply of an absorption cooler;
step (2): the fan pumps the gas phase in the negative pressure bin to the absorption tower, and the absorbent is adopted to absorb toxic gas;
step (3): detecting the pressure on the negative pressure bin, and regulating a fan variable frequency motor by pressure interlocking to maintain a micro negative pressure state in the negative pressure bin;
step (4): the poisonous gas is absorbed by the absorption tower and then discharged harmlessly.
The absorbent is a substance which is easy to obtain and has less harm, such as low-concentration liquid alkali, water or low-concentration acid; the absorption treatment is that the temperature and the normal temperature and the pressure are 30-50 kPa, the absorbent and the poisonous gas are in reverse contact, and the liquid-gas ratio is controlled at 20-50 so as to fully absorb the poisonous gas; a small amount of heat release in the absorption process is taken away by circulating cooling water through an absorption cooler; the negative pressure in the negative pressure bin is maintained at minus 30 to 50kPa.
The utility model can automatically detect leakage and perform absorption treatment without personnel contact, and has high treatment efficiency and no harm to staff.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.
Claims (8)
1. The utility model provides a poisonous gas leak protection storage tank which characterized in that: the leakage-proof storage tank comprises a storage bin, a vacuum bin and a negative pressure bin which are arranged from inside to outside;
the storage bin is a sealing bin body made of carbon steel or alloy steel; a metal sealing jacket is tightly arranged outside the storage bin, and the vacuum bin is formed by connecting a fan in the sealing jacket and vacuumizing; the negative pressure bin is a closed cabinet body made of negative pressure resistant metal plates, and the storage bin and the vacuum bin are wrapped in the closed cabinet body;
the storage bin and the vacuum bin are manufactured by full welding, 100% ray detection is carried out on welding seams, and the compression resistance of the storage bin is required: the internal pressure is not lower than PN25 pressure grade, and the external pressure is vacuum compression resistant;
the poisonous gas leakage-proof storage tank is provided with an absorption system, and the absorption system comprises a fan, an absorption tower, an absorption circulating pump and an absorption cooler.
2. The toxic gas leakage prevention storage tank according to claim 1, wherein: the upper part of the storage bin is provided with an SIS system liquid level instrument interface, a DCS system pressure instrument interface, an absorption tower gas phase removing interface, a buffer tank gas phase balancing interface, a nitrogen interface, a feed inlet, a discharge outlet, a manhole and a standby port, and the lower part of the storage bin is connected with a blow-down pipe interface; the interfaces are all discharged from the storage bin, extend out of the outer wall of the vacuum bin by about 150mm, are fully welded and sealed with the storage bin and the vacuum bin, and carry out 100% ray detection on welding seams; a remote transmission manual development valve is arranged on a gas phase interface and a nitrogen interface of the absorption tower; a pressure linkage switch valve is arranged on a gas phase balance interface of the buffer tank; the feeding port is provided with an SIS system liquid level interlocking switch valve and a DCS system liquid level interlocking switch valve respectively.
3. The toxic gas leakage prevention storage tank according to claim 2, wherein: the upper part of the vacuum bin is provided with a vacuum interface, the lower part of the vacuum bin is provided with a detection and analysis interface, and internal circulation automatic detection and analysis is adopted.
4. A toxic gas leak resistant storage tank in accordance with claim 3 wherein: a toxic gas detection alarm is arranged in the negative pressure bin and above the vacuum bin; a toxic gas detection alarm is arranged below the vacuum bin; the negative pressure bin is provided with an overhaul port on the upper surface, and an absorption fan port is arranged at the bottom of the negative pressure bin.
5. The toxic gas leakage prevention storage tank according to claim 4, wherein: a venom gas inlet for feeding venom gas into the storage tank and a venom gas outlet for discharging the venom gas out of the storage tank are arranged; a DCS system interlocking shut-off valve, an SIS system interlocking shut-off valve, a hand valve and a check valve are arranged in a negative pressure bin on an inlet pipeline along the flow direction; a check valve, a hand valve, an SIS system interlocking shut-off valve and a DCS system interlocking shut-off valve are arranged in a negative pressure bin on an outlet pipeline along the flow direction; the inlet pipeline and the outlet pipeline extend into the bottom of the storage bin.
6. The toxic gas leakage prevention storage tank according to claim 5, wherein: the nitrogen inlet is arranged in a negative pressure bin on a nitrogen inlet pipeline, a DCS system remote operation switch valve, a hand valve and a check valve are arranged along the flow direction, and the nitrogen inlet pipeline is connected to the top of the storage bin and does not go deep; the gas phase balance pipe is led into the buffer tank, a DCS system interlocking switch valve is arranged in the negative pressure bin on the gas phase balance pipe along the flow direction, and the gas phase balance pipe is connected to the top of the storage bin without going deep; the two safety valve interfaces and the two safety valve outlets are combined into a main pipe, and the negative pressure outlet bin is communicated into an absorption system; the bottom of the safety valve is provided with a hand valve; the mouth of the safety valve pipe is connected to the top of the storage bin and does not go deep; the manual emptying pipe is connected with the toxic gas into the system, a DCS system remote operation switch valve is arranged in the negative pressure bin on the manual emptying pipe along the flow direction, and the manual emptying pipe is connected with the top of the storage bin without going deep; the DCS system pressure taking port, the DCS system liquid level measuring port and the SIS system liquid level measuring port are respectively provided with corresponding meters; a sewage outlet is arranged at the bottom of the storage bin and in the negative pressure bin, a two-hand valve and a blind plate are arranged on a pipeline of the sewage outlet close to the pipe orifice for sealing; the bottom of the vacuum bin is provided with a circulating closed on-line toxic gas detector, and the toxic gas detector is connected out of the vacuum bin and returns to the vacuum bin.
7. The toxic gas leakage prevention storage tank according to claim 6, wherein: two interfaces are arranged on the negative pressure bin: a gas phase outlet at the bottom is connected with a tail gas absorption system fan; and a pressure gauge interface at the top is used for leading out a pressure signal to a control system and controlling a tail gas absorption system fan in an interlocking manner.
8. The toxic gas leakage prevention storage tank according to claim 1, wherein: the fan provides negative pressure power for the negative pressure bin; the absorption tower is arranged as an upper columnar tower, the lower part is an absorbent temporary storage tank, an absorption gas inlet is arranged near the lower part of the tower, an absorption liquid inlet and a tail gas outlet are arranged near the upper part, and an absorption liquid outlet is arranged at the bottom; the absorption liquid outlet is connected to an absorption circulating pump; the absorption circulating pump pumps out the feed liquid to enter the absorption cooler, exchanges heat with circulating water, and after heat exchange, the absorption liquid is connected to an absorption liquid inlet arranged at the upper part of the absorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321495099.8U CN219889320U (en) | 2023-06-13 | 2023-06-13 | Poisonous gas leakage-proof storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321495099.8U CN219889320U (en) | 2023-06-13 | 2023-06-13 | Poisonous gas leakage-proof storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219889320U true CN219889320U (en) | 2023-10-24 |
Family
ID=88411149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321495099.8U Active CN219889320U (en) | 2023-06-13 | 2023-06-13 | Poisonous gas leakage-proof storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219889320U (en) |
-
2023
- 2023-06-13 CN CN202321495099.8U patent/CN219889320U/en active Active
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