CN220601233U - Pressure stabilizing protection process device for hydrogen chloride waste gas system - Google Patents
Pressure stabilizing protection process device for hydrogen chloride waste gas system Download PDFInfo
- Publication number
- CN220601233U CN220601233U CN202322333073.XU CN202322333073U CN220601233U CN 220601233 U CN220601233 U CN 220601233U CN 202322333073 U CN202322333073 U CN 202322333073U CN 220601233 U CN220601233 U CN 220601233U
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- Prior art keywords
- waste gas
- water
- communicated
- pipeline
- absorption
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- 239000002912 waste gas Substances 0.000 title claims abstract description 49
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910000041 hydrogen chloride Inorganic materials 0.000 title claims abstract description 17
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000001502 supplementing effect Effects 0.000 claims abstract description 48
- 238000010521 absorption reaction Methods 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 230000007613 environmental effect Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 10
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a pressure stabilizing protection process device for a hydrogen chloride waste gas system, which belongs to the technical field of waste gas recovery equipment and comprises a waste gas system, an environment-friendly absorption system and a DCS (distributed control system), wherein a water seal tank is arranged between the waste gas system and the environment-friendly recovery system, absorption water is filled in the water seal tank, a gas-liquid separation layer is formed between the liquid level of the absorption water and the top of the water seal tank, a waste gas pipeline is communicated between the water seal tank and the waste gas system, an environment-friendly pipeline is communicated between the water seal tank and the environment-friendly absorption system, one end of the waste gas pipeline stretches into the absorption water, a waste gas check valve is communicated on the waste gas pipeline, the waste gas pipeline is communicated with a gas supplementing system, the gas supplementing system is arranged between the waste gas check valve and the waste gas system, the gas supplementing system is in signal connection with the DCS system, and the DCS system is controlled to automatically supplement gas into the device, so that the gas adding amount can be automatically adjusted according to the pressure change, and the system pressure change is treated, and the accident caused by large pressure fluctuation is prevented.
Description
Technical Field
The utility model relates to the technical field of waste gas recovery equipment, in particular to a pressure stabilizing protection process device for a hydrogen chloride waste gas system.
Background
In the chemical production process, especially in the field of fine chemical industry, a large amount of byproduct hydrochloric acid is generated, and a large amount of hydrogen chloride waste gas is generated, so that the hydrogen chloride waste gas is required to be sent to an environment-friendly absorption system for absorption treatment for safety and environment protection, stable working pressure is required to be used as a guarantee in the intermediate treatment process, and accidents occur in a production system or equipment pipelines due to abrupt change of the working pressure. In general, equipment such as cooling, separation and mist catcher is generally adopted to carry out purification treatment and then is sent to an environment-friendly absorption system, and the method has the defects of more equipment and unsatisfactory gas purification effect, and when a plurality of production lines share one hydrogen chloride waste gas conveying, purifying and environment-friendly system, the pressure change generated by any one equipment or production line can influence the whole production system, so that the pressure fluctuation of the whole system is caused, and the shutdown or accident can be seriously caused. Aiming at the problems in the prior art, we provide a pressure stabilizing protection process device for a hydrogen chloride waste gas system.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a pressure stabilizing protection process device for a hydrogen chloride waste gas system, which is realized by the following technical scheme:
the utility model provides a hydrogen chloride exhaust system steady voltage protection process units, includes exhaust system, environmental protection absorption system and DCS system, DCS system and exhaust system and environmental protection absorption system signal connection, be provided with the water seal tank between exhaust system and the environmental protection recovery system, contain the absorption water in the water seal tank, form the gas-liquid separation layer between absorption water liquid level and the water seal tank top, the exhaust pipeline of intercommunication between water seal tank and the exhaust system, the intercommunication has environmental protection pipeline between water seal tank and the environmental protection absorption system, exhaust pipeline one end stretches into in the absorption water, the intercommunication has the exhaust check valve on the exhaust pipeline, the exhaust pipeline intercommunication has the air make-up system, the air make-up system sets up between exhaust check valve and exhaust system, air make-up system and DCS system signal connection.
The utility model is further provided with: the water-sealed tank is characterized in that the upper end of the water-sealed tank is communicated with a water supplementing pipe, the other end of the water supplementing pipe is communicated with a water source, and the water-sealed tank is communicated with an overflow pipe.
The utility model is further provided with: the air supplementing system comprises a compressed air source, an air supplementing pipeline and a pressure measuring transmitter, wherein one end of the air supplementing pipeline is communicated with the compressed air source, the other end of the air supplementing pipeline is communicated with the waste gas pipeline, an air supplementing regulating valve and an air supplementing check valve are communicated on the air supplementing pipeline, the air supplementing regulating valve is arranged between the air supplementing check valve and the compressed air source, one end of the pressure measuring transmitter is communicated with the air supplementing regulating valve, the other end of the pressure measuring transmitter is communicated with the waste gas pipeline, and the pressure measuring transmitter is connected with a DCS system through signals.
The utility model is further provided with: the waste gas pipeline stretches into the water seal tank one end intercommunication has and is circular shape distribution dish, the distribution dish is located the liquid level of absorbed water, a plurality of groups ventholes have evenly been seted up to the terminal surface under the distribution dish.
The utility model is further provided with: the absorbed water is tap water.
In summary, the beneficial technical effects of the utility model are as follows:
the DCS system controls the air supplementing system to automatically supplement air into the device, and can automatically adjust the adding amount of the air according to the pressure change so as to cope with the system pressure change, prevent the system from generating large pressure fluctuation to cause accidents,
drawings
Fig. 1 is a schematic diagram for showing the overall structure of the present embodiment.
Reference numerals: 1. an exhaust system; 2. an environmental protection absorption system; 3. a water sealed tank; 4. absorbing water; 5. a gas-liquid separation layer; 6. an exhaust gas duct; 7. an environmental protection pipeline; 8. an exhaust check valve; 9. a water supplementing pipe; 10. a water source; 11. an overflow pipe; 12. a compressed air source; 13. an air supplementing pipeline; 14. a pressure measurement transmitter; 15. an air supply regulating valve; 16. a gas-supplementing check valve; 17. distribution plate.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Examples
As shown in fig. 1, the utility model discloses a hydrogen chloride waste gas system pressure stabilizing and protecting process device, which comprises a waste gas system 1, an environment-friendly absorption system 2 and a DCS (not shown in the figure), wherein the DCS is in signal connection with the waste gas system 1 and the environment-friendly absorption system 2, a water seal tank 3 is arranged between the waste gas system 1 and the environment-friendly recovery system, the water seal tank 3 is filled with absorption water 4, a gas-liquid separation layer 5 is formed between the liquid surface of the absorption water 4 and the top of the water seal tank 3, a waste gas pipeline 6 is communicated between the water seal tank 3 and the waste gas system 1, an environment-friendly pipeline 7 is communicated between the water seal tank 3 and the environment-friendly absorption system 2, one end of the waste gas pipeline 6 stretches into the absorption water 4, a waste gas check valve 8 is communicated on the waste gas pipeline 6, a gas supplementing system is communicated between the waste gas check valve 8 and the waste gas system 1, and the gas supplementing system is in signal connection. The DCS system controls the air supplementing system to automatically supplement air into the device, the adding amount of the air can be automatically adjusted according to the pressure change, so that the system pressure change is dealt with, the occurrence of accidents caused by large pressure fluctuation of the system is prevented, the air-liquid separation layer 5 arranged at the upper end of the absorption water 4 can prevent the air from taking away liquid drops and entering the environment-friendly pipeline 7, and meanwhile, the absorption function of the water is utilized to purify the hydrogen chloride air.
The upper end of the water sealed tank 3 is communicated with a water supplementing pipe 9, the other end of the water supplementing pipe 9 is communicated with a water source 10, and the water sealed tank 3 is communicated with an overflow pipe 11. The water sealed tank 3 is communicated with the water source 10, so that the constant liquid level absorbed water 4 is stored in the water sealed tank 3, the constant liquid sealed water column pressure in the water sealed tank 3 can keep the stable working pressure of the waste gas system 1, and the system is further prevented from generating large pressure fluctuation.
The air supplementing system comprises a compressed air source 12, an air supplementing pipeline 13 and a pressure measuring transmitter 14, one end of the air supplementing pipeline 13 is communicated with the compressed air source 12, the other end of the air supplementing pipeline 13 is communicated with the waste gas pipeline 6, an air supplementing regulating valve 15 and an air supplementing check valve 16 are communicated on the air supplementing pipeline 13, the air supplementing regulating valve 15 is arranged between the air supplementing check valve 16 and the compressed air source 12, one end of the pressure measuring transmitter 14 is communicated with the air supplementing regulating valve 15, the other end of the pressure measuring transmitter is communicated with the waste gas pipeline 6, and the pressure measuring transmitter 14 is in signal connection with the DCS system. The pressure measuring transmitter 14 is in signal connection with the DCS system and is used for detecting the pressure of the waste gas and transmitting the pressure to the DCS system, and the DCS system controls the inlet amount of the compressed air source 12 through the air supplementing regulating valve 15, so that the working pressure of the waste gas system 1 is ensured, and the air supplementing check valve 16 is arranged to block the pressure impact of the waste gas on the air supplementing system.
One end of the waste gas pipeline 6 extending into the water sealed tank 3 is communicated with a circular distribution plate 17, the distribution plate 17 is positioned below the liquid level of the absorbed water 4, and a plurality of groups of through holes are uniformly formed in the lower end surface of the distribution plate 17. The absorption water 4 is tap water.
Claims (5)
1. The utility model provides a hydrogen chloride exhaust gas system steady voltage protection process units, includes exhaust gas system (1), environmental protection absorption system (2) and DCS system, DCS system and exhaust gas system (1) and environmental protection absorption system (2) signal connection, a serial communication port, be provided with water seal tank (3) between exhaust gas system (1) and the environmental protection recovery system, contain absorption water (4) in water seal tank (3), form gas-liquid separation layer (5) between absorption water (4) liquid level and water seal tank (3) top, exhaust gas pipeline (6) of intercommunication between water seal tank (3) and exhaust gas system (1), the intercommunication has environmental protection pipeline (7) between water seal tank (3) and environmental protection absorption system (2), exhaust gas pipeline (6) one end stretches into in absorption water (4), the last intercommunication of exhaust gas pipeline (6) has exhaust gas check valve (8), exhaust gas pipeline (6) intercommunication has the air make-up system, air make-up system sets up between exhaust gas check valve (8) and exhaust gas system (1), air make-up system and DCS signal connection.
2. The pressure stabilizing and protecting process device for the hydrogen chloride waste gas system according to claim 1, wherein the upper end of the water sealed tank (3) is communicated with a water supplementing pipe (9), the other end of the water supplementing pipe (9) is communicated with a water source (10), and the water sealed tank (3) is communicated with an overflow pipe (11).
3. The pressure stabilizing and protecting process device for the hydrogen chloride waste gas system according to claim 2, wherein the air supplementing system comprises a compressed air source (12), an air supplementing pipeline (13) and a pressure measuring transmitter (14), one end of the air supplementing pipeline (13) is communicated with the compressed air source (12), the other end of the air supplementing pipeline is communicated with the waste gas pipeline (6), an air supplementing regulating valve (15) and an air supplementing check valve (16) are communicated on the air supplementing pipeline (13), the air supplementing regulating valve (15) is arranged between the air supplementing check valve (16) and the compressed air source (12), one end of the pressure measuring transmitter (14) is communicated with the air supplementing regulating valve (15), the other end of the pressure measuring transmitter (14) is communicated with the waste gas pipeline (6), and the pressure measuring transmitter (14) is in signal connection with the DCS system.
4. The pressure stabilizing and protecting process device for the hydrogen chloride waste gas system according to claim 3, wherein one end of the waste gas pipeline (6) extending into the water sealed tank (3) is communicated with a circular distribution plate (17), the distribution plate (17) is positioned below the liquid level of the absorption water (4), and a plurality of groups of air outlets are uniformly formed in the lower end face of the distribution plate (17).
5. The process device for stabilizing and protecting a hydrogen chloride waste gas system according to claim 4, wherein the absorption water (4) is tap water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322333073.XU CN220601233U (en) | 2023-08-30 | 2023-08-30 | Pressure stabilizing protection process device for hydrogen chloride waste gas system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322333073.XU CN220601233U (en) | 2023-08-30 | 2023-08-30 | Pressure stabilizing protection process device for hydrogen chloride waste gas system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220601233U true CN220601233U (en) | 2024-03-15 |
Family
ID=90179295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322333073.XU Active CN220601233U (en) | 2023-08-30 | 2023-08-30 | Pressure stabilizing protection process device for hydrogen chloride waste gas system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220601233U (en) |
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2023
- 2023-08-30 CN CN202322333073.XU patent/CN220601233U/en active Active
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