CN219333717U - Gas absorbing device - Google Patents
Gas absorbing device Download PDFInfo
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- CN219333717U CN219333717U CN202223572688.XU CN202223572688U CN219333717U CN 219333717 U CN219333717 U CN 219333717U CN 202223572688 U CN202223572688 U CN 202223572688U CN 219333717 U CN219333717 U CN 219333717U
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- absorption tower
- pipeline
- control module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a gas absorption device which is characterized by comprising an absorption tower (1), a circulating pump (2) and a control system, wherein the absorption tower (1) is connected with an inlet of the circulating pump (2) through a pipeline, an outlet of the circulating pump (2) is connected with a liquid outlet pipeline (3), the liquid outlet pipeline (3) is connected with a discharge pipeline (4) and a circulating pipeline (5), the circulating pipeline (5) is connected with a plurality of branch pipelines, one end of each branch pipeline, far away from the circulating pipeline (5), extends into the absorption tower (1), the absorption tower (1) is provided with an air inlet and an air outlet, the absorption tower (1) is provided with a pH meter (6) and a liquid level meter (7), and the absorption tower (1) is connected with a liquid inlet pipeline (8); the pH meter (6) and the liquid level meter (7) are electrically connected with the control system. The utility model can reduce the waste of acid and alkali and reduce the production cost.
Description
Technical Field
The utility model belongs to the technical field of gas treatment, and particularly relates to a gas absorption device.
Background
The absorption tower is a common device for waste gas treatment and is used for absorption treatment of waste gas or tail gas and other gases in the workshop environment. In the operation process of the absorption tower, waste gas is pumped into the absorption tower through an induced draft fan, then the neutralizing solution is pumped into the absorption tower from a circulating water tank through a circulating pump to be sprayed for gas adsorption, the gas is discharged after multistage adsorption, and after the neutralizing solution of the circulating water tank is used up, the neutralizing solution needs to be supplemented into the circulating water tank. The current common mode is that the neutralizing solution is pumped into a circulating water tank, the amount of the neutralizing solution is controlled by the pH value in the circulating water tank, and then the circulating is carried out; however, in the process of adding the neutralization solution, the pH meter in the circulating water tank is in a static state, the pH meter is tested at a point position, the pH meter is often inaccurate, the neutralization solution overflows from an overflow port and enters a workshop wastewater system, and then other auxiliary materials are used for neutralization, so that the neutralization solution and the auxiliary materials are wasted, and certain hidden danger is caused for environmental protection.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a gas absorption device and a method capable of reducing waste of neutralizing solution and auxiliary materials.
The utility model adopts the following technical scheme:
the utility model provides a gas absorption device, including absorption tower (1), circulating pump (2), control system, the entry of absorption tower (1) and circulating pump (2) is through the pipe connection, the exit linkage of circulating pump (2) has outlet pipe (3), outlet pipe (3) are connected with exhaust pipe (4), circulating pipe (5) are connected with a plurality of branch pipelines, the one end that the branch pipeline kept away from circulating pipe (5) stretches into the inside of absorption tower (1), absorption tower (1) are equipped with air inlet, gas vent, pH meter (6) are installed to absorption tower (1), liquid level meter (7), absorption tower (1) are connected with feed liquor pipeline (8); the pH meter (6) and the liquid level meter (7) are electrically connected with the control system.
Further, a pneumatic valve is installed on a pipeline connecting the absorption tower (1) with the inlet of the circulating pump (2), a pneumatic valve is installed on the liquid outlet pipeline (3), a pneumatic valve is installed on the discharge pipeline (4), a pneumatic valve is installed on the circulating pipeline (5), and the pneumatic valve installed on the discharge pipeline (4) and the pneumatic valve installed on the circulating pipeline (5) are electrically connected with a control system.
Further, the control system comprises a liquid level control module, a pH online control module and a valve switch control module, wherein a pH meter (6) is electrically connected with the pH online control module, and the pH online control module is used for monitoring the pH of the device in real time; the liquid level meter (7) is electrically connected with a liquid level control module, and the liquid level control module is used for controlling the start and stop of the circulating pump (2); the pneumatic valve arranged on the discharge pipeline (4) is electrically connected with a valve switch control module, and the valve switch control module is used for controlling pollution discharge of the device; the pneumatic valve arranged on the circulating pipeline (5) is electrically connected with a valve switch control module, and the valve switch control module is used for controlling the self-circulation of the device.
Further, the air inlet is arranged at the lower part of the absorption tower (1), and the air outlet is arranged at the top of the absorption tower (1).
Further, the pH meter (6) is installed at the lower part of the absorption tower (1), the liquid level meter (7) is installed at the lower part of the absorption tower (1), the liquid inlet pipeline (8) is connected to the middle upper part of the absorption tower (1), and the magnetic pump is installed in the liquid inlet pipeline (8).
Further, a spray head is arranged at one end of the branch pipeline far away from the circulating pipeline (5).
Further, the number of branch pipes is 3.
The absorption method based on the gas absorption device comprises the following steps:
step (1): setting a pH preset value and a liquid level preset value in a control system;
step (II): starting a circulating pump, and when the pH meter (6) reaches a pH preset value, opening a pneumatic valve arranged on the discharge pipeline (4), closing a pneumatic valve arranged on the circulating pipeline (5), and discharging liquid in the absorption tower (1) through the discharge pipeline (4); when the liquid level gauge (7) reaches a liquid level preset value, the control system opens the pneumatic valve arranged on the circulating pipeline (5), closes the pneumatic valve arranged on the discharging pipeline (4), starts self-circulation, starts the magnetic pump arranged on the liquid inlet pipeline (8), and adds the neutralizing solution into the absorption tower (1) to reach the pH preset value.
The beneficial technical effects of the utility model are as follows: according to the utility model, the liquid inlet pipeline is directly connected to the middle upper part of the absorption tower for dosing, the circulating pump is directly opened from the bottom of the absorption tower, the circulating pipeline is controlled by the pneumatic valve to perform self-circulation in the tower, and the discharge pipeline is controlled by the pneumatic valve to discharge liquid in the absorption tower into a workshop for treatment; and a liquid level meter and a pH meter are connected into the absorption tower. The utility model can accurately measure the pH value in the absorption tower, fully utilize the neutralization solution, reduce the waste of the neutralization solution, reduce the production cost and save the construction site.
Drawings
Fig. 1 is a schematic structural view of the device of the present utility model.
Detailed Description
Referring to fig. 1, the gas absorption device comprises an absorption tower 1, a circulating pump 2 and a control system, wherein the absorption tower 1 is connected with an inlet of the circulating pump 2 through pipelines, an outlet of the circulating pump 2 is connected with a liquid outlet pipeline 3, the liquid outlet pipeline 3 is connected with a discharge pipeline 4 and a circulating pipeline 5, the circulating pipeline 5 is connected with a plurality of branch pipelines, one end of the branch pipeline, far away from the circulating pipeline 5, stretches into the absorption tower 1, the absorption tower 1 is provided with an air inlet and an air outlet, the absorption tower 1 is provided with a pH meter 6 and a liquid level meter 7, and the absorption tower 1 is connected with a liquid inlet pipeline 8; the pH meter 6 and the liquid level meter 7 are electrically connected with a control system. The pipeline that connects absorption tower 1 with the entry of circulating pump 2 installs pneumatic valve, and the pneumatic valve is installed to drain line 3, pneumatic valve is installed to discharge line 4, pneumatic valve is installed to circulating line 5, pneumatic valve that discharge line 4 installed the pneumatic valve that circulating line 5 installed all is connected with control system electricity. The control system comprises a liquid level control module, a pH on-line control module and a valve switch control module, wherein a pH meter (6) is electrically connected with the pH on-line control module, and the pH on-line control module is used for monitoring the pH of the device in real time; the liquid level meter (7) is electrically connected with a liquid level control module, and the liquid level control module is used for controlling the start and stop of the circulating pump (2); the pneumatic valve arranged on the discharge pipeline (4) is electrically connected with a valve switch control module, and the valve switch control module is used for controlling pollution discharge of the device; the pneumatic valve arranged on the circulating pipeline (5) is electrically connected with a valve switch control module, and the valve switch control module is used for controlling the self-circulation of the device. The air inlet is arranged at the lower part of the absorption tower 1, and the air outlet is arranged at the top of the absorption tower 1. The pH meter 6 is installed in the lower part of the absorption tower 1, the liquid level meter 7 is installed in the lower part of the absorption tower 1, the liquid inlet pipeline 8 is connected to the middle part of the absorption tower 1, and the liquid inlet pipeline 8 is provided with a magnetic pump. The shower nozzle is installed to the one end that the branch pipeline kept away from circulating line 5, and the quantity of branch pipeline is 3.
The absorption method adopting the gas absorption device of the utility model comprises the following steps:
step (1): setting a pH preset value and a liquid level preset value in a control system;
step (II): starting a circulating pump, and when the pH meter 6 reaches a pH preset value, opening a pneumatic valve arranged on the discharge pipeline 4 and closing a pneumatic valve arranged on the circulating pipeline 5 by the control system, wherein the liquid in the absorption tower 1 is discharged through the discharge pipeline 4; when the liquid level meter 7 reaches a liquid level preset value, the control system opens the pneumatic valve arranged on the circulating pipeline 5, closes the pneumatic valve arranged on the discharging pipeline 4, starts self-circulation, starts the magnetic pump arranged on the liquid inlet pipeline 8, and adds the neutralizing solution into the absorption tower 1 to reach the pH preset value.
The technical scheme of the utility model is further explained by examples.
Example 1
Setting a pH preset value and a liquid level preset value in a control system; the pH value is two values, namely A (1-3) and B (5-6), the liquid level is 0.5-1.5m, the absorption tower 1 is an ammonia absorption tower, and the volume of the absorption tower 1 is 50-60m 3 。
When the pH meter 6 reaches the pH preset value B, the pneumatic valve arranged on the discharge pipeline 4 is opened, the pneumatic valve arranged on the circulating pipeline 5 is closed, and water in the ammonia absorption tower is discharged into a workshop through the discharge pipeline 4. When the liquid level meter 7 reaches a liquid level preset value, the control system opens the pneumatic valve arranged on the circulating pipeline 5, closes the pneumatic valve arranged on the discharging pipeline 4, starts self-circulation, starts the magnetic pump arranged on the liquid inlet pipeline 8, and stops adding the neutralizing solution after the neutralizing solution is added into the ammonia absorption tower to the pH preset value A.
Claims (7)
1. The utility model provides a gas absorption device, a serial communication port, the device includes absorption tower (1), circulating pump (2), control system, the entry of absorption tower (1) and circulating pump (2) is through the pipe connection, the exit linkage of circulating pump (2) has outlet conduit (3), outlet conduit (3) are connected with exhaust duct (4), circulating duct (5) are connected with a plurality of branch pipelines, the one end that the branch pipeline kept away from circulating duct (5) stretches into the inside of absorption tower (1), absorption tower (1) are equipped with air inlet, gas vent, pH meter (6) are installed to absorption tower (1), liquid level meter (7), absorption tower (1) are connected with feed liquor pipeline (8); the pH meter (6) and the liquid level meter (7) are electrically connected with the control system.
2. The gas absorption device according to claim 1, wherein a pneumatic valve is installed in a pipe connecting the absorption tower (1) and the inlet of the circulation pump (2), a pneumatic valve is installed in the liquid outlet pipe (3), a pneumatic valve is installed in the discharge pipe (4), a pneumatic valve is installed in the circulation pipe (5), and both the pneumatic valve installed in the discharge pipe (4) and the pneumatic valve installed in the circulation pipe (5) are electrically connected to a control system.
3. The gas absorption device according to claim 2, wherein the control system comprises a liquid level control module, a pH on-line control module, a valve switch control module, a pH meter (6) electrically connected to the pH on-line control module, the pH on-line control module for monitoring the pH of the device in real time; the liquid level meter (7) is electrically connected with a liquid level control module, and the liquid level control module is used for controlling the start and stop of the circulating pump (2); the pneumatic valve arranged on the discharge pipeline (4) is electrically connected with a valve switch control module, and the valve switch control module is used for controlling pollution discharge of the device; the pneumatic valve arranged on the circulating pipeline (5) is electrically connected with a valve switch control module, and the valve switch control module is used for controlling the self-circulation of the device.
4. The gas absorption device according to claim 1, wherein the gas inlet is provided at a lower portion of the absorption tower (1), and the gas outlet is provided at a top portion of the absorption tower (1).
5. The gas absorption device according to claim 1, wherein the pH meter (6) is installed at the lower part of the absorption tower (1), the liquid level meter (7) is installed at the lower part of the absorption tower (1), the liquid inlet pipe (8) is connected at the middle upper part of the absorption tower (1), and the liquid inlet pipe (8) is provided with a magnetic pump.
6. A gas absorption device according to claim 1, wherein the end of the branch pipe remote from the circulation pipe (5) is provided with a shower head.
7. A gas absorbing device according to claim 1, wherein the number of branch pipes is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223572688.XU CN219333717U (en) | 2022-12-29 | 2022-12-29 | Gas absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223572688.XU CN219333717U (en) | 2022-12-29 | 2022-12-29 | Gas absorbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219333717U true CN219333717U (en) | 2023-07-14 |
Family
ID=87111070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223572688.XU Active CN219333717U (en) | 2022-12-29 | 2022-12-29 | Gas absorbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219333717U (en) |
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2022
- 2022-12-29 CN CN202223572688.XU patent/CN219333717U/en active Active
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