CN218553685U - Liquid chlorine discharge vehicle tail gas absorption device - Google Patents
Liquid chlorine discharge vehicle tail gas absorption device Download PDFInfo
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- CN218553685U CN218553685U CN202222487505.8U CN202222487505U CN218553685U CN 218553685 U CN218553685 U CN 218553685U CN 202222487505 U CN202222487505 U CN 202222487505U CN 218553685 U CN218553685 U CN 218553685U
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Abstract
The utility model discloses a liquid chlorine discharge vehicle tail gas absorbing device, including two absorption towers, with absorption tower complex absorption liquid storage tank, the plural circulating pump, the draught fan of parallelly connected setting to and get into the relevant lye tank of alkali lye of absorption liquid storage tank, lye pump, alkali lye pump goes into the absorption liquid storage tank from the lye tank, and contact and react with tail gas in the reentrant absorption tower, the gas complete that does not react gets into second absorption tower repeated absorption operation, and alkali lye returns absorption liquid storage tank reuse. The device can effectively absorb tail gas discharged during unloading, and avoid the problem that the processing work is stopped and the operation personnel are involved in danger due to the component failure during single-line processing.
Description
Technical Field
The utility model relates to a liquid chlorine industrial production field, concretely relates to liquid chlorine unloads rear of a vehicle gas absorbing device.
Background
Liquid chlorine is a yellow green liquid with violent stimulation and corrosiveness, is usually applied to industries such as metallurgy, textile, papermaking and the like, can be vaporized into gas under normal pressure, has strong stimulation and corrosiveness, can cause poisoning after being inhaled, and has stimulation effect on mucous membranes of eyes and respiratory systems. After vaporization, the gas is mixed with other combustible gases under the irradiation of sunlight, and the gas can cause combustion and explosion, and has extremely high danger.
Typically, steel cylinders or tanks are used in industrial operations for storage and transportation, however, after the unloading process, some liquid chlorine and a small amount of vaporized chlorine remaining in the vessel are extremely difficult to handle. If the air is directly discharged, the air is not well treated, so that the pollution to the surrounding environment is caused, and the health of operators and surrounding citizens is threatened.
If only use independent absorption tower or several absorption towers in series, set up the lye that sprays among them and absorb, because of tail gas and liquid area of contact and contact time are limited, can influence the processing speed greatly, when certain part breaks down wherein, can take place tail gas and continuously discharge and the condition that can't handle, seriously harm the life safety of operating personnel around the absorption tower, also can't stop work at once and overhaul. The tail gas treatment work of the liquid chlorine unloading is an important ring in the production and utilization of the liquid chlorine, when the working procedure is slowed down or even suspended,
the upstream and downstream processes are greatly influenced, and the whole production-treatment link is stopped.
Disclosure of Invention
An object of the utility model is to provide a liquid chlorine tail gas absorbing device that unloads, the tail gas of effluvium when can effective absorption unload, part trouble when avoiding the single line to handle and make the problem of handling the job retardation, leading to the operating personnel to involve in danger.
The utility model discloses a liquid chlorine discharge vehicle tail gas absorbing device comprises first absorption tower, second absorption tower, first absorption liquid storage tank, second absorption liquid storage tank, circulating pump, first heat exchanger, second heat exchanger, the draught fan of unloading, accident draught fan, chimney, lye tank, lye pump, sewage mouth:
the first absorption tower and the second absorption tower are vertically arranged on the ground, and the bottoms of the first absorption tower and the second absorption tower are respectively arranged and communicated with a first absorption liquid storage tank and a second absorption liquid storage tank;
one end of the first heat exchanger is connected with the top of the first absorption tower, the other end of the first heat exchanger is connected with the circulating pump, one end of the second heat exchanger is connected with the top of the second absorption tower, the other end of the second heat exchanger is connected with the circulating pump, the circulating pump is also connected with the sewage port, and waste liquid passing through the circulating pump is transferred out of the device from the sewage port;
the air inlet of the unloading induced draft fan is connected with the top of the first absorption tower, the air outlet is branched and then connected with the bottom of the second absorption tower and the chimney, the air inlet of the accident induced draft fan is connected with the top of the second absorption tower, and the air outlet of the accident induced draft fan is connected with the chimney to suck out waste gas in the first absorption tower and the second absorption tower and discharge the waste gas from the chimney;
the lye tank is connected with the first absorption liquid storage tank and the second absorption liquid storage tank, and a lye pump is arranged between the lye tank and the absorption liquid storage tank.
Preferably, in order to ensure that the device does not stop due to the failure of partial components, the unloading induced draft fan and the accident induced draft fan are respectively arranged in parallel.
And two lye pumps are arranged in parallel based on the aims of ensuring the progress of the construction period and protecting the safety of operators.
Preferably, three circulating pumps are provided, namely a first circulating pump, a second circulating pump and a third circulating pump, wherein the first circulating pump is connected with the first absorbing liquid storage tank, the first heat exchanger and the sewage port, the second circulating pump is connected with the first absorbing liquid storage tank and the sewage port, and the third circulating pump is connected with the first absorbing liquid storage tank, the second heat exchanger and the sewage port.
Further, a valve is arranged between the two components in the connecting relationship.
Furthermore, valves are respectively arranged at the inlet and the outlet of the unloading induced draft fan, the accident induced draft fan, the circulating pump and the lye pump.
Preferably, in order to better control the valves located at the height, the valves between the first absorption tower and the chimney, between the second absorption tower and the chimney, and between the first absorption tower and the second absorption tower are electronic regulating valves.
Wherein, 15% lye is stored in the lye tank.
The liquid chlorine unloading tail gas absorption device can comprehensively prevent liquid chlorine from leaking after vaporization, prevent operators from poisoning due to the generation of a large amount of harmful gas, and also prevent high-temperature explosion; the device is overall in arrangement, components including the tail gas absorption tower, the unloading draught fan, the accident draught fan, the lye pump and the circulating pump are all provided with parallel equipment, on one hand, the processing speed can be accelerated, on the other hand, the leakage of fishes, namely vaporized liquid chlorine, can be greatly reduced, in addition, the repeated components are arranged, the integral function can still be exerted after the unexpected shutdown of certain components occurs, when the total quantity of tail gas to be processed is increased, the accident draught fan can be opened, the gas can be rapidly pumped away, and the work efficiency and the safety of operating personnel are guaranteed. Can avoid tail gas to reveal more comprehensively, safe and reliable.
Drawings
FIG. 1 is a schematic structural diagram of a liquid chlorine unloading tail gas absorption device.
The system comprises a first absorption tower, a second absorption tower, a first absorption liquid storage tank, a second absorption liquid storage tank, a circulating pump, a first circulating pump, a second circulating pump, a third circulating pump, a first heat exchanger, a second heat exchanger, an 8-unloading draught fan, a 9-accident draught fan, a chimney, a caustic soda tank, a caustic soda liquid pump and a sewage port, wherein the first absorption tower is 1, the second absorption tower is 2, the first absorption liquid storage tank is 3, the second absorption liquid storage tank is 4, the circulating pump is 5, the first circulating pump is 51, the second circulating pump is 52, the third circulating pump is 53, the first heat exchanger, the second heat exchanger is 7, the unloading draught fan is 8, the accident draught fan is 9, the chimney is 10, the caustic soda liquid tank is 11, the caustic soda liquid pump is 12, and the sewage port is 13.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and "third" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The tail gas absorption device for liquid chlorine unloading shown in figure 1 comprises a first absorption tower 1, a second absorption tower 2, a first absorption liquid storage tank 3, a second absorption liquid storage tank 4, three circulating pumps 5, a first heat exchanger 6, a second heat exchanger 7, two unloading induced draft fans 8, two accident induced draft fans 9, a chimney 10, an alkali liquor tank 11, two alkali liquor pumps 12 and a sewage port 13.
The first absorption tower 1 and the second absorption tower 2 are vertically fixed on the ground, and the bottoms of the first absorption tower 1 and the second absorption tower 2 are respectively fixed and communicated with a first absorption liquid storage tank 3 and a second absorption liquid storage tank 4. The three circulating pumps 5 are respectively a first circulating pump 51, a second circulating pump 52 and a third circulating pump 53, the first circulating pump 51 is connected with the first absorbing liquid storage tank 3, the first heat exchanger 6 and the sewage port 13, the second circulating pump 52 is connected with the first absorbing liquid storage tank 3 and the sewage port 13, and the third circulating pump 53 is connected with the first absorbing liquid storage tank 3, the second absorbing liquid storage tank 4, the second heat exchanger 7 and the sewage port 13. One end of the first heat exchanger 6 is connected with the top of the first absorption tower 1, the other end of the first heat exchanger is connected with the circulating pump 5, one end of the second heat exchanger 7 is connected with the top of the second absorption tower 2, the other end of the second heat exchanger is connected with the circulating pump 5, the circulating pump 5 is also connected with the sewage port 13 at the same time, and waste liquid passing through the circulating pump 5 is transferred out of the device from the sewage port 13. The first heat exchanger 6 and the second heat exchanger 7 adopt the counter-current circulating cooling water which enters from bottom to top, so that the temperature of the alkali liquor is uniformly and rapidly reduced. The two unloading induced draft fans 8 are in parallel connection, the air inlet of each unloading induced draft fan 8 is connected with the top of the first absorption tower 1, and the air outlet is connected with the bottom of the second absorption tower 2 and the chimney 10 after being branched. Similarly, in order to ensure that the device does not stop due to partial component failure, the two accident induced draft fans 9 are also in a parallel state, the air inlet of the accident induced draft fan 9 is connected with the top of the second absorption tower 2, the air outlet of the accident induced draft fan 9 is connected with the chimney 10, and waste gas in the first absorption tower 1 and the second absorption tower 2 is sucked out and discharged from the chimney 10. The lye tank 11 is connected with the first absorption liquid storage tank 3 and the second absorption liquid storage tank 4, and two lye pumps 12 which are connected in parallel exist between the lye tank 11 and the absorption liquid storage tanks, so that the construction period progress can be ensured and the safety of operators can be protected. As shown in fig. 1, a valve is secured to a conduit between two components in a connected relationship. Wherein, the inlet and the outlet of the unloading draught fan 8, the accident draught fan 9, the circulating pump 5 and the lye pump 12 are respectively provided with a valve. Valves between the first absorption tower 1 and the chimney 10, between the second absorption tower 2 and the chimney 10, and between the first absorption tower 1 and the second absorption tower 2 are electronic adjusting valves.
During operation, 15% of alkali liquor is pumped out from the alkali liquor tank 11 by the alkali liquor pump 12 and enters the first absorption liquid storage tank 3 and the second absorption liquid storage tank 4, the alkali liquor in the first absorption liquid storage tank 3 is pumped into the heat exchanger by the circulating pump 5 to be cooled and enters the top of the first absorption tower 1 to be sprayed in the tower, when tail gas enters the first absorption tower 1, the tail gas can be contacted with the sprayed alkali liquor and react, and after the reaction is finished, the tail gas is transferred to the chimney 10 along a pipeline and is discharged. The alkali liquor reacted with the tail gas can enter the first absorption liquid storage tank 3 again for recycling, and the recycled alkali liquor is transferred to the sewage port 13 along with the circulating pump 5 and is discharged.
When the unloading draught fan 8 breaks down, unreacted tail gas can enter the second absorption tower 2 along with the attraction of the unloading draught fan 8, alkali liquor in the second absorption liquid storage tank 4 is pumped into the heat exchanger by the circulating pump 5 to be cooled and enters the top of the second absorption tower 2 to be sprayed in the tower, the tail gas enters the second absorption tower 2 to be contacted with the sprayed alkali liquor again and react, and the tail gas is transferred to the chimney 10 and discharged along with the attraction of the accident draught fan 9 after the reaction is finished.
When the waiting processing amount is increased, the unloading induced draft fan 8 and the accident induced draft fan 9 are simultaneously started, and the processing speed is increased through multi-line processing.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (6)
1. The utility model provides a liquid chlorine discharge car tail gas absorbing device, by first absorption tower, second absorption tower, first absorption liquid storage tank, second absorption liquid storage tank, circulating pump, first heat exchanger, second heat exchanger, the draught fan of unloading, accident draught fan, chimney, lye tank, lye pump, sewage mouth constitute characterized by:
the first absorption tower and the second absorption tower are vertically arranged on the ground, and the bottoms of the first absorption tower and the second absorption tower are respectively arranged and communicated with a first absorption liquid storage tank and a second absorption liquid storage tank;
one end of the first heat exchanger is connected with the top of the first absorption tower, the other end of the first heat exchanger is connected with the circulating pump, one end of the second heat exchanger is connected with the top of the second absorption tower, the other end of the second heat exchanger is connected with the circulating pump, the circulating pump is also connected with the sewage port, and waste liquid passing through the circulating pump is transferred out of the device from the sewage port;
the air inlet of the unloading induced draft fan is connected with the top of the first absorption tower, the air outlet is branched and then connected with the bottom of the second absorption tower and the chimney, the air inlet of the accident induced draft fan is connected with the top of the second absorption tower, and the air outlet of the accident induced draft fan is connected with the chimney to suck out waste gas in the first absorption tower and the second absorption tower and discharge the waste gas from the chimney;
the lye tank is connected with the first absorption liquid storage tank and the second absorption liquid storage tank, and a lye pump is arranged between the lye tank and the absorption liquid storage tank.
2. The liquid chlorine unloading tail gas absorption device as claimed in claim 1, wherein the unloading induced draft fan and the accident induced draft fan are respectively provided in parallel.
3. The absorption device for tail gas of liquid chlorine unloading according to claim 1, wherein two lye pumps are arranged in parallel.
4. The liquid chlorine unloading tail gas absorption device as claimed in claim 1, wherein three circulation pumps are provided, which are a first circulation pump, a second circulation pump and a third circulation pump, respectively, the first circulation pump is connected to the first absorption liquid storage tank, the first heat exchanger and the sewage port, the second circulation pump is connected to the first absorption liquid storage tank and the sewage port, and the third circulation pump is connected to the first absorption liquid storage tank, the second heat exchanger and the sewage port.
5. The liquid chlorine unloading tail gas absorption device as claimed in claim 1, wherein valves are respectively arranged at the inlet and outlet of the unloading induced draft fan, the accident induced draft fan, the circulating pump and the lye pump.
6. The absorption apparatus for tail gas of liquid chlorine unloading as claimed in claim 1, wherein the valves between the first absorption tower and the chimney, between the second absorption tower and the chimney, and between the first absorption tower and the second absorption tower are electronic adjusting valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487505.8U CN218553685U (en) | 2022-09-20 | 2022-09-20 | Liquid chlorine discharge vehicle tail gas absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487505.8U CN218553685U (en) | 2022-09-20 | 2022-09-20 | Liquid chlorine discharge vehicle tail gas absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218553685U true CN218553685U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222487505.8U Active CN218553685U (en) | 2022-09-20 | 2022-09-20 | Liquid chlorine discharge vehicle tail gas absorption device |
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| Country | Link |
|---|---|
| CN (1) | CN218553685U (en) |
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2022
- 2022-09-20 CN CN202222487505.8U patent/CN218553685U/en active Active
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