CN217392001U - Ammonia gas treatment and recovery device - Google Patents
Ammonia gas treatment and recovery device Download PDFInfo
- Publication number
- CN217392001U CN217392001U CN202221345927.5U CN202221345927U CN217392001U CN 217392001 U CN217392001 U CN 217392001U CN 202221345927 U CN202221345927 U CN 202221345927U CN 217392001 U CN217392001 U CN 217392001U
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- ammonia
- storage tank
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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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Abstract
The utility model provides an ammonia gas treatment and recovery device, which comprises an ammonia water storage tank and an ammonia gas absorption tank; the ammonia water solution gets into the ammonia water storage tank through first fluid infusion valve, and the gas outlet at ammonia water storage tank top is connected with the gas inlet of ammonia absorption tank, and the liquid outlet of ammonia absorption tank passes through sewage pipes with the ammonia water import of ammonia water storage tank and is connected, is provided with the valve on the sewage pipes, and the desalinized water gets into the ammonia absorption tank through second fluid infusion valve. The waste of aqueous ammonia is reduced, reduction in production cost, environmental protection improves occupational health level, reduces the ammonia and volatilizes the safety risk that leads to the fact to patrolling and examining the workman.
Description
Technical Field
The utility model belongs to the technical field of boilers and incinerators, and relates to a simple and convenient ammonia gas treatment and recovery device.
Background
The aqueous ammonia needs to be used in the aqueous ammonia is got rid of the round pin device, and the aqueous ammonia is stored, in the use, along with ambient temperature's rising, the aqueous ammonia volatile matter increases, not only causes the raw materials extravagant, increases manufacturing cost to the ammonia in the aqueous ammonia volatile matter still can the environment cause the pollution, causes the health harm to patrolling and examining the workman.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the utility model provides a recovery unit is handled to ammonia reduces the waste of aqueous ammonia, reduction in production cost, and the environmental protection improves occupational health level, reduces the ammonia and volatilizees the safety risk to patrolling and examining the workman and cause.
The utility model discloses a following technical scheme realizes:
an ammonia gas treatment and recovery device comprises an ammonia water storage tank and an ammonia gas absorption tank; the ammonia water solution gets into the ammonia water storage tank through first fluid infusion valve, and the gas outlet at ammonia water storage tank top is connected with the gas inlet of ammonia absorption tank, and the liquid outlet of ammonia absorption tank passes through sewage pipes with the ammonia water import of ammonia water storage tank and is connected, is provided with the valve on the sewage pipes, and the desalinized water gets into the ammonia absorption tank through second fluid infusion valve.
Preferably, the liquid level meter also comprises a first liquid level meter, and the first liquid supplementing valve is interlocked with the first liquid level meter; the first liquid level meter is used for collecting liquid level in the ammonia water storage tank, if the liquid level in the ammonia water storage tank is lower than a first liquid level threshold value, the first liquid supplementing valve is opened, and if the liquid level in the ammonia water storage tank is equal to or higher than the first liquid level threshold value, the first liquid supplementing valve is closed.
The liquid level meter is linked with a second liquid replenishing valve; the second liquid level meter is used for collecting the liquid level in the ammonia gas absorption tank, if the liquid level in the ammonia gas absorption tank is lower than the low-limit alarm value, the second liquid supplementing valve is opened, and if the liquid level in the ammonia gas absorption tank reaches the high-limit alarm value, the second liquid supplementing valve is closed; and if the liquid level in the ammonia absorption tank is higher than the high-limit alarm value, a valve on the sewage discharge pipeline is opened.
Preferably, the ammonia water storage tank is externally provided with an ammonia gas detector and an external spraying device, the external spraying device is positioned above the ammonia water storage tank, the ammonia gas detector collects the ammonia gas concentration, and if the ammonia gas concentration reaches an alarm value, the external spraying device sprays desalted water.
Preferably, the ammonia gas absorption tank is wound with a heat tracing pipeline, and an inlet of the heat tracing pipeline is connected with high-temperature steam through a valve.
Furthermore, a circulating pipeline is arranged between the inlet and the outlet of the heat tracing pipeline, and a valve is arranged on the circulating pipeline.
Preferably, be provided with pressure sensor on the aqueous ammonia storage tank, pressure sensor is used for gathering the pressure in the aqueous ammonia storage tank, and when the pressure in the aqueous ammonia storage reached pressure high limit alarm value, the second fluid infusion valve was opened, and when pressure reached 0PaG, the second fluid infusion valve was closed.
Preferably, the first liquid supplementing valve and the second liquid supplementing valve are pneumatic valves.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses recovery unit is handled to ammonia sets up the ammonia absorption tank, and the ammonia absorption tank is connected with the aqueous ammonia storage tank, and volatile gaseous state material gets into the ammonia absorption tank in the aqueous ammonia storage tank, absorbs by the desalinized water in the ammonia absorption tank, and the liquid after the absorption returns ammonia storage tank reutilization to the ammonia gets into the atmospheric environment, reduces the waste of aqueous ammonia, reduction in production cost, and the environmental protection improves occupational health level, reduces the ammonia and volatilizees the risk that back to patrolling and examining workman and chemical production and cause.
Furthermore, a liquid level meter is arranged and is linked with a liquid supplementing valve, so that liquid can be supplemented according to the liquid level height, and the liquid level height can be conveniently controlled.
Further, an ammonia gas detector and an out-of-tank spraying device are arranged, and when ammonia gas leakage and other abnormal conditions occur, the out-of-tank spraying device automatically sprays, so that the probability of safety accidents is reduced.
Furthermore, a heat tracing pipeline is arranged, so that the ammonia water can be prevented from freezing when the air temperature is low.
Furthermore, the pressure sensor is arranged, so that the pressure control is convenient, and the pressure in the ammonia water storage tank can be ensured within the arrangement range.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: ammonia water storage tank 1, ammonia absorption tank 2, first fluid infusion valve 3, second fluid infusion valve 4, first level gauge 5, second level gauge 6, jar external spray set 7.
Detailed Description
For further understanding, the present invention will be described with reference to the following examples, which are provided for further explaining the features and advantages of the present invention and are not intended to limit the claims of the present invention.
As figure 1, the utility model discloses recovery unit is handled to ammonia, including aqueous ammonia storage tank 1, ammonia absorption tank 2 and liquid level interlocking device. The liquid level interlocking device comprises a first liquid supplementing valve 3, a second liquid supplementing valve 4, a first liquid level meter 5 and a second liquid level meter 6. The first liquid supplementing valve 3 and the first liquid level meter 5 are controlled in an interlocking mode, and the second liquid supplementing valve 4 and the second liquid level meter 6 are controlled in an interlocking mode.
The 20% ammonia solution sent from the battery limits is sent to an ammonia storage tank 1 as an ammonia buffer tank through a first liquid supplementing valve 3. For guaranteeing that the ammonia water pump lasts steady feeding, aqueous ammonia storage tank 1 is provided with first level gauge 5, and the liquid level in aqueous ammonia storage tank 1 is gathered to first level gauge 5, if the liquid level is less than first liquid level threshold value in aqueous ammonia storage tank 1, then first fluid infusion valve 3 opens, if the liquid level equals or is higher than first liquid level threshold value in aqueous ammonia storage tank 1, then first fluid infusion valve 3 closes, according to the high low control aqueous ammonia input of level gauge. An ammonia water outlet of the ammonia water storage tank 1 is connected to a downstream spray gun.
1 outside ammonia water storage tank is provided with ammonia gas detector and jar outer spray set 7, and jar outer spray set export is provided with the pneumatic valve, and the pneumatic valve is chain with the ammonia gas detector, and the pneumatic valve is then opened automatically when ammonia gas detector warning back or ammonia water storage tank 1 emergence are leaked, and jar outer spray set carries out the spraying of desalinized water, absorbs the ammonia, handles. And (4) after the detection, the waste ammonia water liquid after the accident is recovered and treated by a professional company.
The gas outlet at the top of the ammonia water storage tank 1 is connected with the gas inlet of the ammonia gas absorption tank 2, and the liquid outlet of the ammonia gas absorption tank 2 is connected with the ammonia water inlet of the ammonia water storage tank 1 through a sewage pipeline. The desalted water enters the ammonia absorption tank 2 through a second liquid replenishing valve 4. Gaseous substances in the ammonia water storage tank 1 enter the ammonia gas absorption tank 2 through a pipeline, and the gaseous ammonia gas is absorbed by desalted water in the ammonia gas absorption tank 2. When the temperature of the ammonia absorption tank 2 rises, the volatilized ammonia water gaseous substance is diluted and cooled by spraying desalted water. The second liquid level meter 6 is used for collecting the liquid level in the ammonia absorption tank 2, if the liquid level in the ammonia absorption tank 2 is lower than the low-limit alarm value, the second liquid supplementing valve 4 is opened, and if the liquid level in the ammonia absorption tank 2 reaches the high-limit alarm value, the second liquid supplementing valve 4 is closed; if the liquid level is higher than the high limit alarm value in the ammonia absorption tank 2, then the valve on the blowdown pipeline is opened, and aqueous ammonia accessible blowdown pipeline arranges to aqueous ammonia storage tank 1 in the ammonia absorption tank 2, carries out the secondary and uses, regularly carries out the change of the interior desalinized water of ammonia absorption tank 2, prevents that aqueous ammonia gas from discharging to the atmosphere.
The ammonia absorption tank 2 is wound with a heat tracing pipeline, the inlet of the heat tracing pipeline is connected with high-temperature steam through a valve, and the outlet steam condensate is output after passing through the valve. A circulating pipeline is arranged between the inlet and the outlet of the heat tracing pipeline, and a valve is arranged on the circulating pipeline. The heat tracing pipeline can prevent ammonia water from freezing when the air temperature is low.
Be provided with pressure sensor on aqueous ammonia storage tank 1 and be used for gathering the pressure in the aqueous ammonia storage tank 1, store up the internal pressure and reach pressure high limit alarm value 300PaG when the aqueous ammonia, open second moisturizing valve 4 and carry out the jar interior spraying, when pressure reaches normal value 0PaG, close second moisturizing valve 4.
Claims (8)
1. The ammonia gas treatment and recovery device is characterized by comprising an ammonia water storage tank (1) and an ammonia gas absorption tank (2); aqueous ammonia solution gets into aqueous ammonia storage tank (1) through first fluid infusion valve (3), and the gas outlet at aqueous ammonia storage tank (1) top is connected with the gas inlet of ammonia absorption jar (2), and the liquid outlet of ammonia absorption jar (2) passes through sewage pipes with the aqueous ammonia import of aqueous ammonia storage tank (1) and is connected, is provided with the valve on the sewage pipes, and the desalinized water gets into ammonia absorption jar (2) through second fluid infusion valve (4).
2. The ammonia gas treatment and recovery device according to claim 1, characterized by further comprising a first level meter (5), wherein the first liquid replenishing valve (3) is interlocked with the first level meter (5); the first liquid level meter (5) is used for collecting liquid level in the ammonia water storage tank (1), if the liquid level in the ammonia water storage tank (1) is lower than a first liquid level threshold value, the first liquid supplementing valve (3) is opened, and if the liquid level in the ammonia water storage tank (1) is equal to or higher than the first liquid level threshold value, the first liquid supplementing valve (3) is closed.
3. The ammonia gas treatment and recovery device according to claim 2, characterized by further comprising a second level meter (6), wherein the second liquid replenishing valve (4) is interlocked with the second level meter (6); the second liquid level meter (6) is used for collecting the liquid level in the ammonia absorption tank (2), if the liquid level in the ammonia absorption tank (2) is lower than a low-limit alarm value, the second liquid supplementing valve (4) is opened, and if the liquid level in the ammonia absorption tank (2) reaches a high-limit alarm value, the second liquid supplementing valve (4) is closed; if the liquid level in the ammonia absorption tank (2) is higher than the upper limit alarm value, a valve on the sewage discharge pipeline is opened.
4. The ammonia gas treatment and recovery device according to claim 1, wherein an ammonia gas detector and an external spraying device are arranged outside the ammonia water storage tank (1), the external spraying device is positioned above the ammonia water storage tank (1), the ammonia gas detector collects ammonia gas concentration, and if the ammonia gas concentration reaches an alarm value, the external spraying device sprays desalted water.
5. The ammonia gas treatment and recovery device as defined in claim 1, wherein the ammonia gas absorption tank (2) is wound with a heat tracing pipe, and the inlet of the heat tracing pipe is connected with high-temperature steam through a valve.
6. The ammonia gas treatment and recovery device of claim 5, wherein a circulation line is provided between the heat tracing line inlet and outlet, and a valve is provided on the circulation line.
7. The ammonia gas treatment and recovery device as defined in claim 1, wherein a pressure sensor is arranged on the ammonia water storage tank (1), the pressure sensor is used for collecting the pressure in the ammonia water storage tank (1), when the pressure in the ammonia water storage tank reaches a pressure upper limit alarm value, the second liquid supplementing valve (4) is opened, and when the pressure reaches 0PaG, the second liquid supplementing valve (4) is closed.
8. The ammonia gas treatment and recovery device according to claim 1, characterized in that the first liquid supplementing valve (3) and the second liquid supplementing valve (4) are pneumatic valves.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221345927.5U CN217392001U (en) | 2022-05-31 | 2022-05-31 | Ammonia gas treatment and recovery device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221345927.5U CN217392001U (en) | 2022-05-31 | 2022-05-31 | Ammonia gas treatment and recovery device |
Publications (1)
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CN217392001U true CN217392001U (en) | 2022-09-09 |
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Family Applications (1)
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CN202221345927.5U Active CN217392001U (en) | 2022-05-31 | 2022-05-31 | Ammonia gas treatment and recovery device |
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CN (1) | CN217392001U (en) |
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2022
- 2022-05-31 CN CN202221345927.5U patent/CN217392001U/en active Active
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