CN110732222A - Liquid pressure regulator - Google Patents
Liquid pressure regulator Download PDFInfo
- Publication number
- CN110732222A CN110732222A CN201910945900.6A CN201910945900A CN110732222A CN 110732222 A CN110732222 A CN 110732222A CN 201910945900 A CN201910945900 A CN 201910945900A CN 110732222 A CN110732222 A CN 110732222A
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- liquid
- tank body
- gas
- pressure
- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention relates to the field of tail gas emission and recovery, in particular to an liquid pressure regulating device which has the technical scheme that the device comprises a tank body, wherein the tank body is provided with a gas inlet and a gas outlet, the gas inlet is provided with a gas inlet guide pipe inserted to the bottom of the tank body, liquid for reducing the pressure of tail gas is filled in the tank body, the side wall of the tank body is provided with a liquid level meter, a liquid supplementing pipe and a liquid discharging pipe, the liquid level meter is used for measuring the liquid level in the tank body, the liquid supplementing pipe is used for supplementing liquid to control the liquid level in the tank body, the liquid discharging pipe is used for discharging the liquid in the tank body to control the liquid level in the tank body, the gas inlet guide pipe is provided with an inlet pressure gauge for measuring the gas inlet pressure, and the gas outlet is provided with an outlet pressure gauge for measuring the gas pressure.
Description
Technical Field
The invention relates to the field of tail gas emission recovery, in particular to an liquid pressure regulating device.
Background
In a vacuum potassium carbonate desulfurization system, the tail gas of a tower tank is usually directly discharged on site, so that the tail gas pollutants around a diffusing pipe seriously exceed the standard, the environment is polluted, and the tail gas contains highly toxic gas, so that potential safety hazards are brought to workers; in addition, when the tail gas of the tower tank is collected by the vacuum pump device arranged in the system, the pressure at the inlet of the vacuum pump is very high, and although the tail gas of the tower tank can be recovered, the negative pressure is too high, so that the pressure in the tank is in a high negative pressure state, the tank is subjected to the risk of shriveling and damage, and a large amount of air is sucked into the system due to too high negative pressure, so that the desulfurization solution is oxidized, and the process accident is caused.
Therefore, the problems that the pressure of the tail gas of the tower groove is too high, the tail gas is difficult to recover and the downstream equipment is easy to damage are needed to be solved.
Disclosure of Invention
Based on this, it is necessary to provide liquid pressure regulating device for the problem that the exhaust pressure is high and there is no pressure regulating device in the exhaust emission process.
liquid pressure regulating device for the pressure of regulation tower groove tail gas, which comprises a tank body, the jar body is equipped with gas access and gas outlet, gas access is equipped with and inserts to the inlet duct of jar body bottom, the internal liquid that is used for carrying out the decompression to tail gas that is equipped with of jar, the lateral wall of the jar body is equipped with level gauge, fluid infusion pipe and fluid-discharge tube, the level gauge is used for measuring the internal liquid level height of jar, fluid infusion pipe is used for replenishing the internal liquid level height of liquid control jar, the fluid-discharge tube is used for discharging the internal liquid level height of liquid control jar of jar, inlet duct is equipped with the entry manometer that is used for measuring inlet pressure, gas outlet is equipped with the exit manometer that is used for measuring atmospheric pressure, acquires respectively the numerical reading of exit manometer, entry manometer and level gauge, according to numerical reading adjustment air input, air output and liquid level height adjust the pressure of tail gas.
In embodiments, a mist catching layer for gas-liquid separation of the tail gas is arranged in the tank body close to the gas outlet.
In of the embodiments, the mist-catching layer is a wire mesh structure, which can trap liquid drops entrained in the gas.
In of the embodiments, the bottom of the tank body is provided with a cleaning hole for cleaning sludge in the tank body.
In embodiments, a liquid supplementing valve for controlling the amount of liquid supplemented in the tank body is arranged at the liquid supplementing pipe.
In of these embodiments, a drain valve is provided at the drain line for controlling the amount of liquid drained from the tank.
In of these embodiments, the gas outlet is provided with an exhaust pipe provided with an exhaust valve for controlling the amount of exhaust gas.
According to the liquid pressure regulating device, tail gas is introduced into the tank body through the gas inlet guide pipe, the outlet of the gas inlet guide pipe is below the liquid level due to the liquid in the tank body, the tail gas is discharged into the liquid, gas comes out of the liquid due to different resistance generated by the height change of the liquid, the gas pressure is reduced, the effect of regulating the tail gas pressure is achieved by , and a worker regulates the gas inlet amount, the gas outlet amount and the liquid level height by observing the readings of the outlet pressure gauge, the inlet pressure gauge and the liquid level meter, so that the pressure of the tail gas is regulated.
Drawings
FIG. 1 is a front view of an embodiment of a liquid pressure regulator;
FIG. 2 is a left side view of the liquid pressure regulator apparatus of FIG. 1.
In the figure: 1. an air intake duct; 2. a tank body; 3. a liquid supplementing pipe; 4. a fluid replenishing valve; 5. a liquid discharge pipe; 6. a drain valve; 7. a liquid level meter; 8. an inlet pressure gauge; 9. an outlet pressure gauge; 10. a mist catching layer; 11. cleaning the hole; 12. an exhaust pipe; 13. an exhaust valve; 14. a gas inlet; 15. and a gas outlet.
Detailed Description
In the embodiment, as shown in fig. 1 and 2, an liquid pressure regulator is used for regulating the pressure of the tail gas in a tower tank, and includes a tank body 2, the tank body 2 is provided with a gas inlet 14 and a gas outlet 15, the gas inlet 14 is provided with an air inlet conduit 1 inserted to the bottom of the tank body 2, the tank body 2 is filled with a liquid for reducing the pressure of the tail gas, the side wall of the tank body 2 is provided with a liquid level meter 7, a liquid supplementing conduit 3 and a liquid discharging conduit 5, the liquid level meter 7 is used for measuring the liquid level in the tank body 2, the liquid supplementing conduit 3 is used for supplementing the liquid to the liquid level in the tank body 2, the liquid discharging conduit 5 is used for discharging the liquid level in the liquid control tank body 2 in the tank body 2, the air inlet conduit 1 is provided with an inlet pressure gauge 8 for measuring the air inlet pressure, the gas outlet 15 is provided with an outlet 9 for measuring the air pressure, the readings of the outlet pressure gauge 9, the inlet pressure gauge 8 and the liquid level gauge 7 are respectively obtained, the air inlet pressure gauge 9, the outlet gauge 8 and the liquid level gauge 7 are respectively, the air inlet pressure gauge is adjusted according to regulate the pressure of the tail gas pressure, the tank body 2 is provided with a mist trapping layer for separating the tail gas outlet, the gas outlet 12 is provided with a mist trapping control layer for controlling the gas trap, the mist trapping layer for controlling the gas exhaust pipe 12 is provided with a mist trapping layer for trapping and discharging the gas exhaust pipe 12, the exhaust pipe 12 for controlling the exhaust pipe 12 for trapping the exhaust pipe.
In the tail gas discharging and recycling process, tail gas enters the tank body 2 through the air inlet guide pipe 1, liquid exists in the tank body 2, the air inlet guide pipe 1 is buried below the liquid level, the tail gas is introduced into the liquid, different resistance is generated due to the height change of the liquid, and the partial pressure is reduced in the tail gas discharging process from the liquid, so that the pressure regulating effect is achieved, the discharging pressure during tail gas discharging is stabilized, and downstream equipment is protected from being damaged due to the high negative pressure of the upstream equipment.
Because the tail gas comes out of the liquid and tends to carry with liquid drops, in order to prevent the liquid drops from entering the exhaust pipe 12, the tank body 2 is provided with the mist catching layer 10, the mist catching layer 10 is of a wire mesh structure, the liquid drops are intercepted by the wire mesh when passing through the mist catching layer 10 and then are attached to the wire mesh, after more and more liquid drops are intercepted, the liquid drops are gathered at , and the gravity of the liquid drops exceeds the adhesive force between the liquid drops and the wire mesh and then drops back to the liquid in the tank body 2.
The bottom of the tank body 2 is provided with a cleaning hole 11, and because the tail gas is introduced into the liquid, dust can be settled at the bottom of the tank body 2, and the cleaning hole 11 is arranged to conveniently clean the sediment in the tank body 2.
The liquid level meter 7 can measure the height of the liquid level in the tank body 2, the inlet pressure gauge 8 can measure the negative pressure after the liquid is decompressed, the outlet pressure gauge 9 can measure the negative pressure at the end of the vacuum equipment, and the staff controls the height of the liquid level in the tank body 2 by controlling the switches of the liquid replenishing valve 4 and the liquid discharging valve 6 according to the readings of the inlet pressure gauge 8, the outlet pressure gauge 9 and the liquid level meter 7, thereby controlling the pressure regulating effect.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
- The liquid pressure regulating device is used for regulating the pressure of tail gas in a tower groove and is characterized by comprising a tank body, wherein the tank body is provided with a gas inlet and a gas outlet, the gas inlet is provided with a gas inlet guide pipe inserted into the bottom of the tank body, liquid for reducing the pressure of the tail gas is filled in the tank body, the side wall of the tank body is provided with a liquid level meter, a liquid supplementing pipe and a liquid discharging pipe, the liquid level meter is used for measuring the liquid level height in the tank body, the liquid supplementing pipe is used for supplementing liquid to control the liquid level height in the tank body, the liquid discharging pipe is used for discharging the liquid in the tank body to control the liquid level height in the tank body, the gas inlet guide pipe is provided with an inlet pressure meter for measuring the gas inlet pressure, the gas outlet is provided with an outlet pressure meter for measuring the gas pressure, the reading values of the outlet pressure meter, the inlet pressure meter and the liquid level meter.
- 2. The liquid pressure regulating device of claim 1, wherein a mist trap layer for gas-liquid separation of the tail gas is disposed in the tank body near the gas outlet.
- 3. The liquid pressure regulating device of claim 2, wherein the mist trap layer is a wire mesh structure that can trap liquid droplets entrained in a gas.
- 4. liquid pressure regulating device of claim 1, wherein the tank bottom is provided with a cleaning hole for cleaning sludge in the tank.
- 5. The liquid pressure regulating device of claim 1, wherein the fluid infusion tube is provided with a fluid infusion valve for controlling the amount of fluid infused in the tank.
- 6. the device as claimed in claim 1, wherein the drain pipe is provided with a drain valve for controlling the amount of liquid discharged from the tank.
- 7. the hydraulic pressure regulating device as claimed in claim 1, wherein the gas outlet is provided with a vent pipe, and the vent pipe is provided with a vent valve for controlling the amount of vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945900.6A CN110732222A (en) | 2019-09-30 | 2019-09-30 | Liquid pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945900.6A CN110732222A (en) | 2019-09-30 | 2019-09-30 | Liquid pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110732222A true CN110732222A (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910945900.6A Pending CN110732222A (en) | 2019-09-30 | 2019-09-30 | Liquid pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110732222A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744302A (en) * | 2020-07-10 | 2020-10-09 | 沈齐晖 | Method and device for heat exchange and dust removal of dust-containing gas |
| CN114831192A (en) * | 2022-05-23 | 2022-08-02 | 湖南兰岭绿态茶业有限公司 | Yellow tea processing technology and equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258726A (en) * | 1986-05-06 | 1987-11-11 | Nippon Jietsuto Kk | Method and apparatus for washing and collecting gas under automatically controlled pressure |
| CN201513901U (en) * | 2009-08-13 | 2010-06-23 | 上海凯鸿环保工程有限公司 | Water sealed tank |
| CN202129450U (en) * | 2011-06-29 | 2012-02-01 | 四川金沙纳米技术有限公司 | Device for stabilizing gas pressure in reducing furnace |
| CN204900946U (en) * | 2015-07-30 | 2015-12-23 | 陕西万科电子科技发展有限公司 | Water sealed tank |
| CN204891515U (en) * | 2015-07-30 | 2015-12-23 | 陕西万科电子科技发展有限公司 | Divide fluid reservoir |
| CN206409892U (en) * | 2016-12-26 | 2017-08-15 | 蓝星(北京)化工机械有限公司 | A kind of positive/negative-pressure regulator |
-
2019
- 2019-09-30 CN CN201910945900.6A patent/CN110732222A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258726A (en) * | 1986-05-06 | 1987-11-11 | Nippon Jietsuto Kk | Method and apparatus for washing and collecting gas under automatically controlled pressure |
| CN201513901U (en) * | 2009-08-13 | 2010-06-23 | 上海凯鸿环保工程有限公司 | Water sealed tank |
| CN202129450U (en) * | 2011-06-29 | 2012-02-01 | 四川金沙纳米技术有限公司 | Device for stabilizing gas pressure in reducing furnace |
| CN204900946U (en) * | 2015-07-30 | 2015-12-23 | 陕西万科电子科技发展有限公司 | Water sealed tank |
| CN204891515U (en) * | 2015-07-30 | 2015-12-23 | 陕西万科电子科技发展有限公司 | Divide fluid reservoir |
| CN206409892U (en) * | 2016-12-26 | 2017-08-15 | 蓝星(北京)化工机械有限公司 | A kind of positive/negative-pressure regulator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744302A (en) * | 2020-07-10 | 2020-10-09 | 沈齐晖 | Method and device for heat exchange and dust removal of dust-containing gas |
| CN114831192A (en) * | 2022-05-23 | 2022-08-02 | 湖南兰岭绿态茶业有限公司 | Yellow tea processing technology and equipment |
| CN114831192B (en) * | 2022-05-23 | 2023-12-22 | 湖南兰岭绿态茶业有限公司 | Yellow tea processing technology and equipment |
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Application publication date: 20200131 |
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