CN219580195U - Water-soluble organic waste gas absorption system - Google Patents
Water-soluble organic waste gas absorption system Download PDFInfo
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- CN219580195U CN219580195U CN202221079379.6U CN202221079379U CN219580195U CN 219580195 U CN219580195 U CN 219580195U CN 202221079379 U CN202221079379 U CN 202221079379U CN 219580195 U CN219580195 U CN 219580195U
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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 a water-soluble organic waste gas absorption system, which comprises a waste gas inlet foam catcher, a primary waste gas absorption tower, a secondary waste gas absorption tower, a tertiary waste gas absorption tower, a waste gas outlet foam catcher, a waste gas fan and an active carbon adsorption device; wherein the water-soluble tail gas inlet is connected with the gas input end of the tail gas inlet foam catcher; the air outlet end of the tail gas inlet foam catcher is connected with the air inlet end of the primary tail gas absorption tower; the air outlet end of the primary tail gas absorption tower is connected with the air inlet end of the secondary tail gas absorption tower; the air outlet end of the secondary tail gas absorption tower is connected with the air inlet end of the tertiary tail gas absorption tower, wherein the air outlet end of the tertiary tail gas absorption tower is connected with the air inlet end of the tail gas outlet foam catcher; the air outlet end of the tail gas outlet foam catcher is connected with the air inlet end of the tail gas fan through a tail gas fan outlet valve, and the air outlet end of the tail gas fan is connected with the active carbon adsorption device through a tail gas fan inlet valve. The utility model changes batch production into continuous production; and collecting water mist in the exhaust gas.
Description
Technical Field
The utility model relates to the field of tail gas recovery and environmental protection, in particular to a water-soluble organic waste gas absorption system.
Background
The original tail gas absorption device is not provided with a low-temperature condensation trapping device for air intake, high-concentration waste gas directly enters a tail gas tower, the absorption pressure of the tail gas tower is high, high-concentration waste water is generated, and the waste water treatment cost is high; the original spray absorption liquid is intermittently replaced, the COD concentration of the waste water is high when the original spray absorption liquid is replaced in a period of operation, and the discharged waste water is difficult to treat; meanwhile, the original tail gas absorption liquid is free of a condensing device, the temperature of the absorption liquid in summer is high, and the spraying absorption effect is poor; the absorbed tail gas carries water mist of the absorption liquid, a condensation trapping device is not arranged, and the adsorption effect of the activated carbon at the rear end of the tail gas is reduced; the device at the bottom of the spray absorption tower is internally provided with a liquid separating device, so that the circulating liquid sprayed and washed at the tower top is pumped into the tower top for spraying after absorbing waste gas, and the absorption effect is poor; intermittently absorbing by the original device, wherein when the spraying absorption liquid is replaced, partial exhaust working section is required to reduce the yield or stop, and the device runs unevenly; and intermittent water change increases the working operation of people, and the labor intensity of the people is high.
Disclosure of Invention
In order to solve the problems, the utility model discloses a water-soluble organic waste gas absorption system, which changes intermittent production into continuous production, does not need to manually change water periodically, changes automatic water supplementing into automatic water discharging; and the condensation catcher at the air outlet end is added to catch water mist in the waste gas, so that the water mist entering the back-end activated carbon adsorption equipment is reduced, and the activated carbon adsorption effect is improved.
The water-soluble organic waste gas absorption system comprises a waste gas inlet foam catcher, a primary waste gas absorption tower, a secondary waste gas absorption tower, a tertiary waste gas absorption tower, a waste gas outlet foam catcher, a waste gas fan and an active carbon adsorption device; wherein the water-soluble tail gas inlet is connected with the gas input end of the tail gas inlet foam catcher; the air outlet end of the tail gas inlet foam catcher is connected with the air inlet end of the primary tail gas absorption tower; the air outlet end of the primary tail gas absorption tower is connected with the air inlet end of the secondary tail gas absorption tower; the air outlet end of the secondary tail gas absorption tower is connected with the air inlet end of the tertiary tail gas absorption tower, wherein the air outlet end of the tertiary tail gas absorption tower is connected with the air inlet end of the tail gas outlet foam catcher; the air outlet end of the tail gas outlet foam catcher is connected with the air inlet end of the tail gas fan through a tail gas fan outlet valve, wherein the air outlet end of the tail gas fan is connected with the active carbon adsorption device through a tail gas fan inlet valve; a first reflux overflow pipe is connected between the first-stage tail gas absorption tower and the second-stage tail gas absorption tower; a second reflux overflow pipe is arranged between the second tail gas absorption tower and the third tail gas absorption tower; wherein the water injection port of the three-stage tail gas absorption tower is connected with the main water inlet pipe through a valve.
The present utility model is further preferred; a spray pump on the primary tail gas absorption tower is connected with a first spray pipeline; the outlet of the circulating liquid pump of the first-stage tail gas absorption tower is connected with a first spraying pipeline through a tenth valve; the first spray pipeline is connected with a first low-temperature cooling water inlet pipe and a first low-temperature cooling water return pipe through an eleventh valve and a twelfth valve respectively; the liquid outlet pipeline of the primary tail gas absorption tower is connected with a circulating liquid pump of the primary tail gas absorption tower through a fifth valve and a sixth valve in sequence.
The present utility model is further preferred; a spray pump on the secondary tail gas absorption tower is connected with a second spray pipeline; the outlet of the circulating liquid pump of the second-stage tail gas absorption tower is connected with a second spraying pipeline through a nineteenth valve; the second spraying pipeline is connected with a second low-temperature cooling water inlet pipe and a second low-temperature cooling water return pipe through a twenty-first valve and a twenty-first valve respectively; the liquid outlet pipeline of the secondary tail gas absorption tower is connected with a circulating liquid pump of the secondary tail gas absorption tower through a fifteenth valve and a sixteenth valve in sequence;
the present utility model is further preferred; a spray pump on the three-stage tail gas absorption tower is connected with a third spray pipeline; the outlet of the circulating liquid pump of the three-stage tail gas absorption tower is connected with a third spray pipeline through a twenty-seventh valve; the third spray pipeline is connected with a third low-temperature cooling water inlet pipe and a third low-temperature cooling water return pipe through a twenty-eighth valve and a twenty-ninth valve respectively; the liquid outlet pipeline of the three-stage tail gas absorption tower is connected with a circulating liquid pump of the three-stage tail gas absorption tower through a twenty-third valve and a twenty-fourth valve in sequence.
In a further preferred aspect of the utility model, the inlet of the cooling circulation jacket on the tail gas outlet foam trap is connected with the inlet pipe of the second circulation freezing brine through a thirty-first valve; the outlet of the tail gas outlet foam catcher cooling circulating jacket is connected with a second circulating chilled brine return pipe; wherein the liquid outlet pipeline at the bottom of the tail gas outlet foam catcher is connected with the water injection port of the three-stage tail gas absorption tower through a thirty-first valve.
In a further preferred aspect of the utility model, the inlet of the cooling circulation jacket on the inlet mist eliminator is connected with the first circulation frozen brine inlet pipe through a first valve; the outlet of a cooling circulation jacket on the tail gas inlet foam catcher is connected with a first circulation freezing brine return pipe through a second valve; wherein the liquid outlet pipeline at the bottom of the tail gas inlet foam catcher is connected with the collecting tank through a third valve.
The utility model is further preferable, wherein the first and second exhaust clean openings on the first-stage tail gas absorption tower are respectively connected with the total exhaust clean pipe through a fourth valve and an eighth valve; the third and fourth exhaust clean openings on the second-stage tail gas absorption tower are respectively connected with the total exhaust clean pipe through thirteenth and fourteenth valves; the fifth and sixth exhaust cleaning ports on the three-stage tail gas absorption tower are respectively connected with the total exhaust cleaning pipe through a twenty-second valve and a twenty-fifth valve; wherein the output end of the total cleaning pipe is connected with a decontaminating water collecting system.
A method of operating a water-soluble organic waste gas absorption system comprising the steps of:
step 1: opening the first valve, the second valve, the thirty-first valve and the thirty-second valve to enable the tail gas inlet foam trap jacket and the tail gas outlet foam trap jacket to be filled with cooling water;
step 2: opening a twelfth valve, opening an eleventh valve, and opening a cooling system of the 1-level circulating liquid to cool the circulating liquid, so as to ensure that the absorption liquid entering the spray tower is at a normal temperature;
step 3: opening a twenty-first valve, opening the twentieth valve, and opening a cooling system of the 2-level circulating liquid to cool the circulating liquid, so as to ensure that the absorption liquid entering the spray tower is at a normal temperature;
step 4: opening a twenty-ninth valve, opening a twenty-eighth valve, and opening a cooling system team circulation liquid of the 3-level circulation liquid to cool, so as to ensure that the absorption liquid entering the spray tower is at a normal temperature;
step 5: opening an inlet valve of the tail gas fan and an outlet valve of the tail gas fan to convey the tail gas in an air supply way;
step 6: opening a first valve, adding water to the overflow pipe of the first-stage tail gas absorption tower to discharge water, and closing the first valve to enable the absorption liquid to be injected into the first-stage tail gas absorption tower, the second-stage tail gas absorption tower and the third-stage tail gas absorption tower.
Step 7: a thirty-first valve is opened, and when the condensed recovery liquid exists in the outlet foam catcher, the condensed recovery liquid can automatically flow into the three-stage tail gas absorption tower;
step 8: opening a fifth valve and a sixth valve, opening a primary tail gas circulating liquid pump, slowly opening a tenth valve on a pump outlet, and regulating proper flow to perform spray circulation, so that the absorption liquid is pumped to the top of the primary tail gas absorption tower by a 1-stage conveying pump to spray;
step 9: sequentially opening a fifteenth valve and a sixteenth valve on a liquid outlet pipeline of the secondary tail gas absorption tower; opening a secondary tail gas circulating liquid pump and a nineteenth valve on an outlet of the slow primary tail gas circulating liquid pump to regulate proper flow for spraying circulation, so that the absorption liquid is pumped to the top of the secondary tail gas absorption tower for spraying through a 2-stage conveying pump;
step 10: sequentially opening a liquid outlet pipeline of the three-stage tail gas absorption tower, sequentially passing through a twenty-third valve, a twenty-fourth valve, opening a three-stage tail gas circulation liquid pump, slowly opening a twenty-seventh valve 27 of the three-stage tail gas absorption tower circulation liquid pump, and regulating proper flow to perform spray circulation so as to spray the top of the three-stage tail gas absorption tower;
step 11: starting a tail gas fan to perform variable frequency regulation, and keeping the negative pressure in the whole tail gas system at-1 to-2.5 KPa;
step 12: and the third-stage tail gas circulating tower water inlet regulating valve is interlocked with COD on-line monitoring, and is used for automatically carrying out continuous water supplementing according to the condition of COD, automatically controlling the exhaust conditions of tail gas drainage COD and tail gas exhaust port, and realizing full-automatic water supplementing and water changing.
Step 13: when the liquid level of the tail gas inlet foam catcher reaches a specified value, a valve 3 is opened to perform liquid discharge recovery and recover the solvent;
step 14: when the tail gas device is stopped, the liquid in the three-stage tail gas absorption tower d is discharged cleanly by opening the fourth valve, the eighth valve, the thirteenth valve, the fourteenth valve, the twenty-second valve and the twenty-third valve, so that the circulating liquid in the tower is discharged cleanly.
The working principle of the utility model is as follows:
the intermittent water inlet and changing is changed into continuous water inlet and continuous water outlet, no special person is required to perform water changing operation, and personnel operation is reduced; the COD of the sewage generated by continuous water outlet is controllable, the COD concentration is low, and the cost of sewage treatment entering the sewage treatment is low; the tail gas inlet end is additionally provided with a cryogenic catcher, so that the organic waste gas in the waste gas is further caught and recycled, the solvent consumption is reduced, the concentration of the waste gas entering the absorption tower is reduced, and the COD concentration of the produced absorption liquid is low;
5) The air outlet end is added with a condensation trapping device; intercepting vaporific droplets contained in the washed waste gas, and reducing the droplets entering a tail end active carbon adsorption device; increase the effect of the activated carbon adsorption device
The device continuously operates and is automatically controlled, the water is not required to be changed by stopping, and the stability of the device is improved
7) The washing tower equipment is improved, a washing liquid partition plate is added, so that the concentration of circulating absorption liquid sprayed to the top of the tower at each stage is always the lowest, and the absorption effect is improved; wherein the air inlet end is additionally provided with a cryogenic catcher, and the solvent in the waste gas is further condensed and recovered.
Drawings
FIG. 1 is a process flow diagram of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of B in FIG. 1;
FIG. 4 is a diagram of the connection between a primary tail gas absorber, a secondary tail gas absorber, and a tertiary tail gas absorber;
fig. 5 is a schematic structural view of the separator.
Description of the embodiments
The present utility model is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the utility model and not limiting the scope of the utility model. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 5, the water-soluble organic waste gas absorption system of the present embodiment includes a waste gas inlet foam breaker a, a primary waste gas absorption tower b, a secondary waste gas absorption tower c, a tertiary waste gas absorption tower d, a waste gas outlet foam breaker e, a waste gas fan f and an activated carbon adsorption device g; wherein a water-soluble tail gas inlet h is connected with a gas input end of the tail gas inlet foam catcher a; the air outlet end of the tail gas inlet foam catcher a is connected with the air inlet end of the primary tail gas absorption tower b; the air outlet end of the primary tail gas absorption tower b is connected with the air inlet end of the secondary tail gas absorption tower c; the air outlet end of the secondary tail gas absorption tower c is connected with the air inlet end of the tertiary tail gas absorption tower d, wherein the air outlet end of the tertiary tail gas absorption tower d is connected with the air inlet end of the tail gas outlet foam catcher e; the air outlet end of the tail gas outlet foam catcher e is connected with the air inlet end of a tail gas fan f through a tail gas fan outlet valve 35, wherein the air outlet end of the tail gas fan f is connected with an active carbon adsorption device g through a tail gas fan inlet valve 34; a first reflux overflow pipe 40 is connected between the first tail gas absorption tower b and the second tail gas absorption tower c; a second reflux overflow pipe 41 is arranged between the second tail gas absorption tower c and the third tail gas absorption tower d; wherein the water injection port of the three-stage tail gas absorption tower d is connected with the main water inlet pipe 42 through the valve 1.
The cooling circulation jacket inlet on the tail gas inlet foam catcher a is connected with a first circulation freezing brine inlet pipe 57 through a first valve 62; the outlet of the cooling circulation jacket on the tail gas inlet foam catcher is connected with a first circulation freezing brine return pipe 58 through a second valve 2; wherein the liquid outlet pipeline at the bottom of the tail gas inlet foam catcher a is connected with a collecting tank 59 through a third valve 3.
The spray pump on the first-stage tail gas absorption tower b is connected with a first spray pipeline 43; the outlet of the circulating liquid pump 44 of the first-stage tail gas absorption tower is connected with the first spraying pipeline 43 through a tenth valve 10; the first spraying pipeline 43 is connected with a first low-temperature cooling water inlet pipe 45 and a first low-temperature cooling water return pipe 46 through an eleventh valve 11 and a twelfth valve 12 respectively; the liquid outlet pipeline of the first-stage tail gas absorption tower b is connected with a first-stage tail gas absorption tower circulating liquid pump 44 through a fifth valve 5 and a sixth valve 6 in sequence.
The spray pump on the secondary tail gas absorption tower c is connected with a second spray pipeline 47; the outlet of the secondary tail gas absorption tower circulating liquid pump 48 is connected with the second spray pipeline 47 through a nineteenth valve 19; wherein the second spray pipeline 47 is connected with a second low-temperature cooling water inlet pipe 49 and a second low-temperature cooling water return pipe 50 through a twenty-first valve 20 and a twenty-first valve 21; the liquid outlet pipeline of the secondary tail gas absorption tower c is connected with a secondary tail gas absorption tower circulating liquid pump 48 through a fifteenth valve 15 and a sixteenth valve 16 in sequence;
the spray pump on the three-stage tail gas absorption tower d is connected with a third spray pipeline 51; the outlet of the circulating liquid pump 52 of the three-stage tail gas absorption tower is connected with a third spray pipeline 51 through a twenty-seventh valve 27; the third spray pipeline 51 is connected with a third low-temperature cooling water inlet pipe 53 and a third low-temperature cooling water return pipe 54 through a twenty-eighth valve 28 and a twenty-ninth valve 29 respectively; the liquid outlet pipeline of the three-stage tail gas absorption tower d is connected with a three-stage tail gas absorption tower circulating liquid pump 52 through a twenty-third valve 23 and a twenty-fourth valve 24 in sequence;
the inlet of the cooling circulation jacket on the tail gas outlet foam catcher e is connected with a second circulation freezing brine inlet pipe 55 through a thirty-first valve 31; the outlet of the tail gas outlet foam catcher e cooling circulation jacket is connected with a second circulation frozen brine return pipe 56; the liquid outlet pipeline at the bottom of the tail gas outlet foam catcher e is connected with the water injection port of the three-stage tail gas absorption tower d through a thirty-first valve 30.
The first and second exhaust ports on the first-stage tail gas absorption tower b are respectively connected with a total exhaust pipe 60 through a fourth valve 4 and an eighth valve 8; the third and fourth rows of clean openings on the second-stage tail gas absorption tower c are respectively connected with the total clean pipe 60 through thirteenth valves 13 and fourteenth valves 14; the fifth and sixth exhaust cleaning ports on the three-stage tail gas absorption tower d are respectively connected with the total exhaust cleaning pipe 60 through a twenty-second valve 22 and a twenty-fifth valve 25; wherein the output of the main drain pipe 60 is connected to a de-contaminated water collection system 61.
The bottoms of the first-stage tail gas absorption tower, the second-stage tail gas absorption tower and the third-stage tail gas absorption tower are respectively provided with a baffle X, the bottom of each baffle X is provided with a water outlet X-1, and each baffle X is subjected to choked flow layering; separating low-density water from a solvent, and pumping fresh water with the lowest COD concentration into the tower top for washing and absorption all the time;
a method of operating a water-soluble organic waste gas absorption system comprising the steps of:
step 1: opening the first valve 62, the second valve 2, the thirty-first valve 31 and the thirty-second valve 32 to enable the tail gas inlet foam catcher jacket and the tail gas outlet foam catcher jacket to be filled with cooling water;
step 2: opening a twelfth valve 12, opening an eleventh valve 11, and opening a cooling system of the 1-level circulating liquid to cool the circulating liquid, so as to ensure that the absorption liquid entering the spray tower is at a normal temperature;
step 3: opening a twenty-first valve 21, opening a twenty-first valve 20, and opening a cooling system of the 2-level circulating liquid to cool the circulating liquid, so as to ensure that the absorption liquid entering the spray tower is at a normal temperature;
step 4: opening a twenty-ninth valve 29, opening a twenty-eighth valve 28, and opening a cooling system team circulation liquid of the 3-level circulation liquid to cool, so as to ensure that the absorption liquid entering the spray tower is at a normal temperature;
step 5: opening an inlet valve 34 and an outlet valve 35 of the tail gas fan to convey the tail gas in an air supply manner;
step 6: opening a first valve 1, adding water to overflow pipes of the first-stage tail gas absorption tower to discharge water, and closing the first valve 1 to enable absorption liquid to be injected into the first-stage tail gas absorption tower b, the second-stage tail gas absorption tower c and the third-stage tail gas absorption tower d.
Step 7: opening a thirty-first valve 30, and when the condensed recovery liquid exists in the outlet foam trap, automatically flowing into the three-stage tail gas absorption tower d;
step 8: opening a fifth valve 5 and a sixth valve 6, opening a primary tail gas circulating liquid pump, slowly opening a tenth valve 10 on a pump outlet, and regulating proper flow to perform spray circulation, so that the absorption liquid is pumped to the top of the primary tail gas absorption tower b by a 1-stage conveying pump to spray;
step 9: sequentially opening a fifteenth valve 15 and a sixteenth valve 16 on a liquid outlet pipeline of the secondary tail gas absorption tower c; opening a second-stage tail gas circulating liquid pump and a nineteenth valve 19 on an outlet of the slow first-stage tail gas circulating liquid pump to regulate proper flow for spraying circulation, so that the absorption liquid is pumped to the top of the second-stage tail gas absorption tower c for spraying through a 2-stage conveying pump;
step 10: sequentially opening a liquid outlet pipeline of the three-stage tail gas absorption tower b, sequentially passing through a twenty-third valve 23 and a twenty-fourth valve 24, opening a three-stage tail gas circulation liquid pump, slowly opening a twenty-seventh valve 27 of the three-stage tail gas absorption tower circulation liquid pump, and regulating proper flow to perform spray circulation so as to spray the top of the three-stage tail gas absorption tower d;
step 11: starting a tail gas fan to perform variable frequency regulation, and keeping the negative pressure in the whole tail gas system at-1 to-2.5 KPa;
step 12: and the third-stage tail gas circulating tower water inlet regulating valve is interlocked with COD on-line monitoring, and is used for automatically carrying out continuous water supplementing according to the condition of COD, automatically controlling the exhaust conditions of tail gas drainage COD and tail gas exhaust port, and realizing full-automatic water supplementing and water changing.
Step 13: when the liquid level of the tail gas inlet foam catcher reaches a specified value, a valve 3 is opened to perform liquid discharge recovery, and the solvent is recovered
Step 14: when the tail gas device is stopped, the liquid in the three-stage tail gas absorption tower d is discharged by opening the fourth valve 4, the eighth valve 8, the thirteenth valve 13, the fourteenth valve 14, the twenty-second valve 22 and the twenty-third valve 23, and the circulating liquid in the tower is discharged to the dry
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features.
Claims (7)
1. The water-soluble organic waste gas absorption system is characterized in that: the device comprises a tail gas inlet foam catcher (a), a primary tail gas absorption tower (b), a secondary tail gas absorption tower (c), a tertiary tail gas absorption tower (d), a tail gas outlet foam catcher (e), a tail gas fan (f) and an active carbon adsorption device (g); wherein a water-soluble tail gas inlet (h) is connected with a gas input end of the tail gas inlet foam catcher (a); the air outlet end of the tail gas inlet foam catcher (a) is connected with the air inlet end of the primary tail gas absorption tower (b); the air outlet end of the first-stage tail gas absorption tower (b) is connected with the air inlet end of the second-stage tail gas absorption tower (c); the air outlet end of the secondary tail gas absorption tower (c) is connected with the air inlet end of the tertiary tail gas absorption tower (d), wherein the air outlet end of the tertiary tail gas absorption tower (d) is connected with the air inlet end of the tail gas outlet foam catcher (e); the air outlet end of the tail gas outlet foam catcher (e) is connected with the air inlet end of the tail gas fan (f) through a tail gas fan outlet valve (35), wherein the air outlet end of the tail gas fan (f) is connected with the activated carbon adsorption device (g) through a tail gas fan inlet valve (34); a first reflux overflow pipe (40) is connected between the first-stage tail gas absorption tower (b) and the second-stage tail gas absorption tower (c); a second reflux overflow pipe (41) is arranged between the second-stage tail gas absorption tower (c) and the third-stage tail gas absorption tower (d); wherein the water injection port of the three-stage tail gas absorption tower (d) is connected with a total water inlet pipe (42) through a valve (1).
2. The water-soluble organic waste gas absorbing system of claim 1, wherein: a spray pump on the first-stage tail gas absorption tower (b) is connected with a first spray pipeline (43); the outlet of the circulating liquid pump (44) of the first-stage tail gas absorption tower is connected with a first spraying pipeline (43) through a tenth valve (10); the first spray pipeline (43) is connected with a first low-temperature cooling water inlet pipe (45) and a first low-temperature cooling water return pipe (46) through an eleventh valve (11) and a twelfth valve (12) respectively; the liquid outlet pipeline of the first-stage tail gas absorption tower (b) is connected with a first-stage tail gas absorption tower circulating liquid pump (44) through a fifth valve (5) and a sixth valve (6) in sequence.
3. The water-soluble organic waste gas absorbing system of claim 1, wherein: a spray pump on the secondary tail gas absorption tower (c) is connected with a second spray pipeline (47); the outlet of the circulating liquid pump (48) of the second-stage tail gas absorption tower is connected with a second spray pipeline (47) through a nineteenth valve (19); the second spray pipeline (47) is connected with a second low-temperature cooling water inlet pipe (49) and a second low-temperature cooling water return pipe (50) through a twenty-first valve (20) and a twenty-first valve (21) respectively; the liquid outlet pipeline of the secondary tail gas absorption tower (c) is connected with a secondary tail gas absorption tower circulating liquid pump (48) through a fifteenth valve (15) and a sixteenth valve (16) in sequence.
4. The water-soluble organic waste gas absorbing system of claim 1, wherein: a spray pump on the three-stage tail gas absorption tower (d) is connected with a third spray pipeline (51); the outlet of the circulating liquid pump (52) of the three-stage tail gas absorption tower is connected with a third spraying pipeline (51) through a twenty-seventh valve (27); the third spray pipeline (51) is connected with a third low-temperature cooling water inlet pipe (53) and a third low-temperature cooling water return pipe (54) through a twenty-eighth valve (28) and a twenty-ninth valve (29) respectively; the liquid outlet pipeline of the three-stage tail gas absorption tower (d) is connected with a three-stage tail gas absorption tower circulating liquid pump (52) through a twenty-third valve (23) and a twenty-fourth valve (24) in sequence.
5. The water-soluble organic waste gas absorbing system of claim 1, wherein: a cooling circulation jacket inlet on the tail gas outlet foam catcher (e) is connected with a second circulation freezing brine inlet pipe (55) through a thirty-first valve (31); the outlet of the tail gas outlet foam catcher (e) cooling circulation jacket is connected with a second circulation frozen brine return pipe (56); wherein a liquid outlet pipeline at the bottom of the tail gas outlet foam catcher (e) is connected with a water injection port of the three-stage tail gas absorption tower (d) through a thirty-first valve (30).
6. The water-soluble organic waste gas absorbing system of claim 1, wherein: the cooling circulation jacket inlet on the tail gas inlet foam catcher (a) is connected with a first circulation freezing brine inlet pipe (57) through a first valve (62); the outlet of the cooling circulation jacket on the tail gas inlet foam catcher is connected with a first circulation freezing brine return pipe (58) through a second valve (2); wherein, a liquid outlet pipeline at the bottom of the tail gas inlet foam catcher (a) is connected with a collecting tank (59) through a third valve (3).
7. The water-soluble organic waste gas absorbing system of claim 1, wherein: the first and second exhaust clean openings on the first-stage tail gas absorption tower (b) are respectively connected with a total exhaust clean pipe (60) through a fourth valve (4) and an eighth valve (8); the third and fourth rows of clean openings on the second-stage tail gas absorption tower (c) are respectively connected with a total clean pipe (60) through thirteenth valves (13) and fourteenth valves (14); the fifth and sixth rows of clean openings on the three-stage tail gas absorption tower (d) are respectively connected with a total clean pipe (60) through a twenty-second valve (22) and a twenty-fifth valve (25); wherein the output end of the total cleaning pipe (60) is connected with a decontaminating water collecting system (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221079379.6U CN219580195U (en) | 2022-05-07 | 2022-05-07 | Water-soluble organic waste gas absorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221079379.6U CN219580195U (en) | 2022-05-07 | 2022-05-07 | Water-soluble organic waste gas absorption system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219580195U true CN219580195U (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221079379.6U Active CN219580195U (en) | 2022-05-07 | 2022-05-07 | Water-soluble organic waste gas absorption system |
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| Country | Link |
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| CN (1) | CN219580195U (en) |
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2022
- 2022-05-07 CN CN202221079379.6U patent/CN219580195U/en active Active
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