CN216170974U - Multistage composite efficient leaching tower - Google Patents
Multistage composite efficient leaching tower Download PDFInfo
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- CN216170974U CN216170974U CN202122640552.7U CN202122640552U CN216170974U CN 216170974 U CN216170974 U CN 216170974U CN 202122640552 U CN202122640552 U CN 202122640552U CN 216170974 U CN216170974 U CN 216170974U
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Abstract
The utility model relates to a multi-stage composite efficient leaching tower, which comprises a main absorption washing tower; a secondary absorption scrubber; a water circulation system and a switching gas circuit; the switching gas circuit comprises a gas inlet pipe, a main tower gas inlet of the main absorption washing tower and an auxiliary tower gas inlet of the auxiliary absorption washing tower are connected to a gas outlet end of the gas inlet pipe in parallel through corresponding parallel gas valves respectively, a main tower gas outlet of the main absorption washing tower and an auxiliary tower gas outlet of the auxiliary absorption washing tower are connected with a corresponding main tower gas outlet pipe and an auxiliary tower gas outlet pipe respectively, a corresponding auxiliary tower gas outlet valve is connected to the auxiliary tower gas outlet pipe, and the main tower gas inlet is connected to the auxiliary tower gas outlet pipe on one side of the gas inlet end of the auxiliary tower gas outlet valve in series through a corresponding series gas valve. The utility model can effectively solve the problem of failure caused by overhigh temperature of the tower and overlarge gas flow, thereby effectively realizing targeted treatment and effectively and greatly improving the utilization rate of equipment.
Description
Technical Field
The utility model relates to a leaching tower, in particular to a multi-stage composite efficient leaching tower.
Background
The washing tower is suitable for separating mixed gas containing a small amount of dust, and the existing washing tower generally comprises a tower body, a water source pipeline, a process pipeline and a circulating pump. Wherein, the tower body is provided with tower plates (filler), a leaching device and a tower tank, and because the washing tower is a device for coarse separation, the height of the washing tower is not too high, so the number of the tower plates is less, and usually not more than ten stages.
When the mixed gas is introduced into the washing tower from the middle part of the washing tower, because the washing tower has a tower plate layer, when the mixed gas passes through the washing tower, different washing effects can be generated by different components in the mixed gas due to different properties. Wherein, because high-boiling-point impurities such as dust can not be liquefied or solidified, the impurities are fixed by the attached liquid when passing through a wet tower plate layer with the liquid, and enter a water reservoir at the bottom of the tower along with acid-mixed water flow under the action of gravity to generate a washing action; the gas component in the mixed gas rises upwards along the barrier layer, the waste gas is fully contacted with the washing liquid flowing on the surface of the filler in the process, and meanwhile, the waste gas is continuously absorbed by the washing liquid in the whole upwelling process and is finally converted into liquid flow through the cooling liquefaction action of the upper part of the washing tower relative to the lower part, and the liquid flow is converged into the water reservoir.
At present, two failure modes of an acidogenic washing tower generally exist, namely two cases of failure caused by overhigh temperature of the tower and failure caused by overlarge air flow: the acid liquor generated by the absorption of acid gas by water is an exothermic reaction, heat is easily accumulated in a closed tower space, and if the temperature in the tower exceeds the heat exchange capacity of the tower, the temperature in the tower is easily too high, so that the absorption efficiency of the acid gas is influenced; and the gas in the washing tower is too large, so that a gas cavity is easily formed in the tower plate layer to resist washing water flow, and the washing efficiency is influenced. In actual production, two failure phenomena are mostly affected in parallel, but one type is mainly used.
Therefore, the utility model aims to design a multistage composite high-efficiency leaching tower which can effectively solve the problems of failure caused by overhigh temperature of the tower and overlarge gas flow, thereby effectively realizing targeted treatment and effectively and greatly improving the utilization rate of equipment.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a multi-stage composite high-efficiency leaching tower which can effectively solve the technical problems in the prior art.
The technical scheme of the utility model is as follows:
a multi-stage composite high-efficiency leaching tower comprises
The main absorption washing tower is sequentially provided with a liquid storage area, a main tower air inlet, a main tower plate layer, a main tower drip washer and a main tower air outlet from low to high;
the auxiliary absorption washing tower is sequentially provided with a reflux area, an auxiliary tower air inlet, an auxiliary tower plate layer, an auxiliary tower drip washer and an auxiliary tower air outlet from low to high, and the bottom of the reflux area is connected to the liquid storage area through a reflux pipe;
the water circulation system comprises a main tower circulating pump and an auxiliary tower circulating pump, and the main tower elution device and the auxiliary tower elution device are respectively connected to the bottom side of the liquid storage area of the main absorption washing tower through the main tower circulating pump and the auxiliary tower circulating pump;
the gas switching circuit comprises a gas inlet pipe, a main tower gas inlet and an auxiliary tower gas inlet are connected to the gas outlet end of the gas inlet pipe in parallel through corresponding parallel gas valves respectively, the main tower gas outlet and the auxiliary tower gas outlet are connected with a corresponding main tower gas outlet pipe and an auxiliary tower gas outlet pipe respectively, the auxiliary tower gas outlet pipe is connected with a corresponding auxiliary tower gas outlet valve, and the main tower gas inlet is connected to the auxiliary tower gas outlet pipe on one side of the gas inlet end of the auxiliary tower gas outlet valve in series through a corresponding series gas valve.
The liquid storage area of the main absorption washing tower is provided with a corresponding liquid storage tank, and the bottom of the reflux area is connected to the upper side of the liquid storage tank through a reflux pipe.
The upper side of the reservoir is connected with a corresponding water replenishing pipe, and a water replenishing valve is arranged on the water replenishing pipe.
And fixing frames for installation are fixedly connected to two sides of the auxiliary absorption washing tower respectively, the auxiliary absorption washing tower is installed in an elevated mode through the matching of the fixing frames and an external supporting mechanism, and the bottom end of a reflux area of the auxiliary absorption washing tower is arranged at the same height as the upper end of the liquid storage tank.
The water outlet end of the main tower circulating pump is connected with a corresponding water outlet valve, one side of the water inlet end of the water outlet valve is connected with a corresponding water outlet pipe outwards, and the corresponding water outlet valve is arranged on the water outlet pipe.
The main absorption washing tower is also internally provided with a main tower demister, and the main tower demister is fixedly arranged between the main tower rinsing device and a main tower air outlet.
And an auxiliary tower demister is also arranged in the auxiliary absorption washing tower, and the auxiliary tower demister is fixedly arranged between the auxiliary tower drip washer and an auxiliary tower air outlet.
The utility model has the advantages that:
1) the utility model is provided with an auxiliary absorption washing tower on the basis of the main absorption washing tower, the bottom of a reflux area of the auxiliary absorption washing tower is connected to a liquid storage area of the main absorption washing tower through a reflux pipe, and on the basis, the utility model is further provided with a switching gas circuit. When in use:
when the concentration of acid gas in the input waste gas is large, namely the failure mode mainly takes over high temperature of the tower, a series gas circuit is adopted, at the moment, a parallel gas valve connected to a gas inlet of a main tower is closed, a parallel gas valve connected to a gas inlet of an auxiliary tower is opened, an auxiliary tower gas outlet valve connected to a gas outlet pipe of the auxiliary tower is closed, a series gas valve connected to a gas outlet pipe of the auxiliary tower is opened, the waste gas enters an auxiliary absorption washing tower through the gas inlet of the auxiliary tower and is discharged along the gas outlet pipe of the auxiliary tower after being washed, and then enters a main absorption washing tower through the gas inlet of the main tower along the series gas valve for secondary washing treatment, so that the washing course is effectively prolonged, the heat exchange contact area is effectively increased, and the cooling effect is improved;
when the input waste gas volume is too large, namely the failure mode is used for forming a gas cavity to resist water flow, a parallel gas circuit is adopted, at the moment, a parallel gas valve connected to a main tower gas inlet is opened, a parallel gas valve connected to an auxiliary tower gas inlet is opened, an auxiliary tower gas outlet valve connected to an auxiliary tower gas outlet pipe is opened, a series gas valve connected to an auxiliary tower gas outlet pipe is closed, waste gas enters an auxiliary absorption washing tower and a main absorption washing tower through the auxiliary tower gas inlet and the main tower gas inlet in a synchronous dispersing mode to be subjected to synchronous washing treatment, so that the sectional area of washing at the same time is changed and enlarged, the gas cavity formed on a tower plate layer is effectively prevented from resisting washing water flow, and the washing efficiency is effectively ensured;
when the input waste gas has no large gas concentration and excessive waste gas volume, the parallel gas valve connected to the gas inlet of the main tower is opened, the parallel gas valve connected to the gas inlet of the auxiliary tower is closed, the series gas valve connected to the gas outlet pipe of the auxiliary tower is closed, and the waste gas enters the main absorption washing tower through the gas inlet of the main tower to be washed and then is discharged.
Therefore, the problems of failure caused by overhigh temperature of the tower and overlarge gas flow can be effectively solved, targeted treatment is effectively realized, and the utilization rate of equipment is effectively and greatly improved.
2) The bottom of the reflux area of the auxiliary absorption washing tower is connected to the liquid storage area of the main absorption washing tower through the reflux pipe, and the auxiliary absorption washing tower is not required to be additionally provided with the liquid storage area, so that the structural simplicity degree of the absorption washing tower is effectively improved.
3) The two sides of the auxiliary absorption washing tower are respectively and fixedly connected with a fixing frame for installation, and the auxiliary absorption washing tower is installed in an elevated mode through the matching of the fixing frame and an external supporting mechanism, so that the bottom end of a reflux area of the auxiliary absorption washing tower and the upper end of a liquid storage tank are arranged at the same height. Can enough be convenient for the collection of washing liquid, and can install vice absorption washing tower height to save the occupation of land space of equipment.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
referring to fig. 1, a multi-stage composite high-efficiency leaching tower comprises
The device comprises a main absorption washing tower 1, wherein the main absorption washing tower 1 is sequentially provided with a liquid storage area 101, a main tower gas inlet 102, a main tower plate layer 103, a main tower elution device 104 and a main tower gas outlet 105 from low to high;
the device comprises an auxiliary absorption washing tower 2, wherein the auxiliary absorption washing tower 2 is provided with a reflux area 201, an auxiliary tower air inlet 202, an auxiliary tower plate layer 203, an auxiliary tower drip washer 204 and an auxiliary tower air outlet 205 in sequence from low to high, and the bottom of the reflux area 201 is connected to the liquid storage area 101 through a reflux pipe 3;
a water circulation system 4 comprising a main tower circulation pump 401 and an auxiliary tower circulation pump 402, wherein the main tower scrubber 104 and the auxiliary tower scrubber 204 are respectively connected to the bottom side of the liquid storage area 101 of the main absorption washing tower 1 through the main tower circulation pump 401 and the auxiliary tower circulation pump 402;
the switching gas circuit comprises a gas inlet pipe 501, the main tower gas inlet 102 and the auxiliary tower gas inlet 202 are respectively connected to the gas outlet end of the gas inlet pipe 501 in parallel through corresponding parallel gas valves 502, the main tower gas outlet 105 and the auxiliary tower gas outlet 205 are respectively connected with a corresponding main tower gas outlet pipe 503 and an auxiliary tower gas outlet pipe 504, the auxiliary tower gas outlet pipe 504 is connected with a corresponding auxiliary tower gas outlet valve 505, and the main tower gas inlet 102 is connected to the auxiliary tower gas outlet pipe 504 on one side of the gas inlet end of the auxiliary tower gas outlet valve 505 in series through a corresponding series gas valve 506.
When the concentration of acid gas in the input waste gas is high, namely the failure mode mainly takes over high tower temperature, a series gas circuit is adopted, at the moment, a parallel gas valve 502 connected to a main tower gas inlet 102 is closed, a parallel gas valve 502 connected to an auxiliary tower gas inlet 202 is opened, an auxiliary tower gas outlet valve 505 connected to an auxiliary tower gas outlet pipe 504 is closed, a series gas valve 506 connected to the auxiliary tower gas outlet pipe 504 is opened, the waste gas enters an auxiliary absorption washing tower 2 through the auxiliary tower gas inlet 202 for washing treatment and then is discharged along the auxiliary tower gas outlet pipe 504, and then enters the main absorption washing tower 1 through the main tower gas inlet 102 along the series gas valve 506 for washing treatment again, so that the washing path is effectively prolonged, the heat exchange contact area is effectively increased, and the cooling effect is improved;
when the amount of input waste gas is too large, namely a failure mode is used for forming a gas cavity to resist water flow, a parallel gas circuit is adopted, at the moment, a parallel gas valve 502 connected to a main tower gas inlet 102 is opened, a parallel gas valve 502 connected to an auxiliary tower gas inlet 202 is opened, an auxiliary tower gas outlet valve 505 connected to an auxiliary tower gas outlet pipe 504 is opened, a series gas valve 506 connected to the auxiliary tower gas outlet pipe 504 is closed, waste gas synchronously disperses to enter an auxiliary absorption washing tower 2 and a main absorption washing tower 1 through the auxiliary tower gas inlet 202 and the main tower gas inlet 102 for synchronous washing treatment, so that the sectional area of washing at the same time is changed and expanded, the gas cavity formed on a tower plate layer is effectively prevented from resisting washing water flow, and the washing efficiency is effectively ensured;
when the input waste gas has no gas concentration and the waste gas quantity is too large, the parallel gas valve 502 connected to the main tower gas inlet 102 is opened, the parallel gas valve 502 connected to the auxiliary tower gas inlet 202 is closed, the series gas valve 506 connected to the auxiliary tower gas outlet 504 is closed, and the waste gas enters the main absorption washing tower 1 through the main tower gas inlet 102 to be washed and discharged.
The liquid storage area 101 of the main absorption washing tower 1 is provided with a corresponding liquid storage tank 6, and the bottom of the return area 201 is connected to the upper side of the liquid storage tank 6 through a return pipe 3.
The upper side of the liquid storage tank 6 is connected with a corresponding water replenishing pipe 7, and a water replenishing valve 8 is arranged on the water replenishing pipe 7. Through the matching arrangement of the washing liquid water replenishing pipe 7 and the water replenishing valve 8, the washing liquid can be effectively added in real time, so that the practical effect of the washing machine is effectively ensured.
The two sides of the auxiliary absorption washing tower 2 are respectively and fixedly connected with a fixing frame 9 for installation, the auxiliary absorption washing tower 2 is installed in an elevated mode through the matching of the fixing frame 9 and an external supporting mechanism, and the bottom end of the reflux area 201 of the auxiliary absorption washing tower 2 is arranged at the same height as the upper end of the liquid storage tank 6. Can be convenient for the collection of the washing liquid, and can be installed with the auxiliary absorption washing tower 2 elevated, so as to save the occupied space of the equipment.
The device is characterized by further comprising a drainage mechanism, the water outlet end of the main tower circulating pump 401 is connected with a corresponding water outlet valve 10, one side of the water inlet end of the water outlet valve is connected with a corresponding drainage pipe 11 outwards, and a corresponding drainage valve 12 is arranged on the drainage pipe 11. When the washing liquid needs to be replaced, the water outlet valve 10 is closed, then the drain valve 12 is opened, and under the action of the main tower circulating pump 401, the washing liquid stored in the liquid storage tank 6 can be effectively discharged, so that the washing liquid can be replaced conveniently.
The main absorption washing tower 1 is also provided with a main tower demister 106, and the main tower demister 106 is fixedly arranged between the main tower washer 104 and the main tower air outlet 105. An auxiliary tower demister 206 is further arranged in the auxiliary absorption washing tower 2, and the auxiliary tower demister 206 is fixedly arranged between the auxiliary tower washer 204 and an auxiliary tower air outlet 205.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a compound high-efficient drip washing tower of multistage which characterized in that: comprises that
The device comprises a main absorption washing tower (1), wherein the main absorption washing tower (1) is sequentially provided with a liquid storage area (101), a main tower gas inlet (102), a main tower plate layer (103), a main tower elution device (104) and a main tower gas outlet (105) from low to high;
the device comprises an auxiliary absorption washing tower (2), wherein the auxiliary absorption washing tower (2) is sequentially provided with a reflux zone (201), an auxiliary tower air inlet (202), an auxiliary tower tray layer (203), an auxiliary tower drip washer (204) and an auxiliary tower air outlet (205) from low to high, and the bottom of the reflux zone (201) is connected to the liquid storage zone (101) through a reflux pipe (3);
a water circulation system (4) comprising a main tower circulation pump (401) and an auxiliary tower circulation pump (402), wherein the main tower washer (104) and the auxiliary tower washer (204) are respectively connected to the bottom side of the liquid storage area (101) of the main absorption washing tower (1) through the main tower circulation pump (401) and the auxiliary tower circulation pump (402);
the switching gas circuit comprises a gas inlet pipe (501), a main tower gas inlet (102) and an auxiliary tower gas inlet (202) are connected to the gas outlet end of the gas inlet pipe (501) in parallel through corresponding parallel gas valves (502) respectively, a main tower gas outlet (503) and an auxiliary tower gas outlet (504) are connected to the main tower gas outlet (105) and the auxiliary tower gas outlet (205) respectively, a corresponding auxiliary tower gas outlet valve (505) is connected to the auxiliary tower gas outlet (504), and the main tower gas inlet (102) is connected to the auxiliary tower gas outlet (504) on one side of the gas inlet end of the auxiliary tower gas outlet valve (505) in series through corresponding series gas valves (506).
2. The multi-stage composite high-efficiency leaching tower according to claim 1, wherein: the liquid storage area (101) of the main absorption washing tower (1) is provided with a corresponding liquid storage tank (6), and the bottom of the backflow area (201) is connected to the upper side of the liquid storage tank (6) through a backflow pipe (3).
3. The multi-stage composite high-efficiency leaching tower according to claim 2, wherein: the upper side of the liquid storage tank (6) is connected with a corresponding water replenishing pipe (7), and a water replenishing valve (8) is arranged on the water replenishing pipe (7).
4. The multi-stage composite high-efficiency leaching tower according to claim 2, wherein: and fixing frames (9) for installation are fixedly connected to two sides of the auxiliary absorption washing tower (2) respectively, the auxiliary absorption washing tower (2) is installed in an elevated mode through the matching of the fixing frames (9) and an external supporting mechanism, and the bottom end of the backflow area (201) of the auxiliary absorption washing tower (2) and the upper end of the liquid storage tank (6) are arranged at the same height.
5. The multi-stage composite high-efficiency leaching tower according to claim 1, wherein: the water outlet device is characterized by further comprising a water discharging mechanism, the water outlet end of the main tower circulating pump (401) is connected with a corresponding water outlet valve (10), one side of the water inlet end of the water outlet valve (10) is outwards connected with a corresponding water discharging pipe (11), and a corresponding water discharging valve (12) is arranged on the water discharging pipe (11).
6. The multi-stage composite high-efficiency leaching tower according to claim 1, wherein: the main absorption washing tower (1) is also internally provided with a main tower demister (106), and the main tower demister (106) is fixedly arranged between the main tower rinser (104) and the main tower air outlet (105).
7. The multi-stage composite high-efficiency leaching tower according to claim 1, wherein: an auxiliary tower demister (206) is also arranged in the auxiliary absorption washing tower (2), and the auxiliary tower demister (206) is fixedly arranged between the auxiliary tower washer (204) and an auxiliary tower air outlet (205).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122640552.7U CN216170974U (en) | 2021-10-31 | 2021-10-31 | Multistage composite efficient leaching tower |
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| CN202122640552.7U CN216170974U (en) | 2021-10-31 | 2021-10-31 | Multistage composite efficient leaching tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115608112A (en) * | 2022-11-22 | 2023-01-17 | 广东捷玛节能科技股份有限公司 | Based on flue gas CO 2 Purification regeneration energy-saving process |
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2021
- 2021-10-31 CN CN202122640552.7U patent/CN216170974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115608112A (en) * | 2022-11-22 | 2023-01-17 | 广东捷玛节能科技股份有限公司 | Based on flue gas CO 2 Purification regeneration energy-saving process |
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