CN210278725U - Hydrochloric acid exhaust gas washing tower - Google Patents
Hydrochloric acid exhaust gas washing tower Download PDFInfo
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- CN210278725U CN210278725U CN201921104850.0U CN201921104850U CN210278725U CN 210278725 U CN210278725 U CN 210278725U CN 201921104850 U CN201921104850 U CN 201921104850U CN 210278725 U CN210278725 U CN 210278725U
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Abstract
The utility model discloses a hydrochloric acid waste gas washing tower, which comprises a tower body, wherein the bottom in the cavity of the tower body is provided with a water storage tank, the outer side of the tower body is provided with a circulating water mechanism, and the cavity of the tower body is provided with a rotary spraying mechanism; the rotary spraying mechanism comprises a shell, an induction impeller is rotatably connected inside the shell, a rotating shaft of the induction impeller is fixedly connected with a communicating pipe upwards, the upper end of the communicating pipe extends out of the shell and is rotatably connected with the shell, a spray head is connected to the end part of the communicating pipe extending out of the shell, the spray head, the communicating pipe and the induction impeller are positioned on the same axis, and a plurality of openings are formed in the pipe wall of the communicating pipe positioned in the shell; the circulating water mechanism comprises a circulating water tank and a power water pump, the circulating water tank is communicated with the water storage tank pipe, a water inlet of the power water pump is communicated with the circulating water tank pipe, and a water outlet of the power water pump is communicated with a shell pipe of the rotary spraying mechanism. The utility model discloses only rely on single power water pump, when the transmission to washing water pressure boost, can rotatory injection and form the water film for washing.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to hydrochloric acid exhaust gas washing tower.
Background
The washing tower is a novel gas purification treatment device, is produced by improving a floatable filler layer gas purifier, is widely applied to pretreatment in the aspects of industrial waste gas purification, dust removal and the like, has good purification effect, and is named as the washing tower because the working principle of the washing tower is similar to the washing process;
at present, a washing tower used in a hydrochloric acid working section in a chlor-alkali production workshop consists of a tower body and a set of circulating water system, hydrochloric acid waste gas flows through the interior of the tower body from bottom to top, the circulating water system lifts water to the upper end of the interior of the tower body through the pressurization of a power pump, and the waste gas is washed by water through a spraying pipeline arranged in the tower body, so that the washing tower with a simple structure has the advantages of low cost and low maintenance difficulty, and is particularly widely applied;
wherein the shower pipe encircles on the tower body inner wall, a plurality of holes have been seted up on the shower pipe, the washing water through power pump pressure boost is through these hole blowout, it is similar to the water net structure to interweave to form, because there are a lot of gaps in the water net structure, most hydrochloric acid waste gas passes and is not washed in the gap, cause the waste gas after the washing to reach the standard of emission, consequently someone tries to increase the number of piles of shower pipe and avoids above-mentioned problem, this is the mode and has increased the washing effect slightly, but because hydrochloric acid waste gas when flowing through the water net structure, the resistance that waste gas passed the gap is little than the resistance that passes the water net, and the velocity of flow is fast when waste gas passed the gap, consequently still has the problem that a large amount of waste gas does not.
Water accessed in a circulating water system in the traditional equipment is primary water, the primary water can only be conveyed to a water purification workshop for treatment and then discharged after washing hydrochloric acid waste gas, and the water consumption for washing hydrochloric acid is very large, so that the waste of a large amount of water is directly caused.
Disclosure of Invention
The utility model aims at providing a hydrochloric acid exhaust gas washing tower to the defect that prior art exists, its is rational in infrastructure, has better washing effect.
The technical scheme of the utility model is that:
a hydrochloric acid waste gas washing tower comprises a tower body, wherein a water storage tank is arranged at the bottom in a cavity of the tower body, a circulating water mechanism is arranged on the outer side of the tower body, and a rotary spraying mechanism is arranged in the cavity of the tower body;
the rotary spraying mechanism comprises a shell, an induction impeller is rotatably connected inside the shell, a rotating shaft of the induction impeller is fixedly connected with a communicating pipe upwards, the upper end of the communicating pipe extends out of the shell and is rotatably connected with the shell, a nozzle is connected to the end portion of the communicating pipe extending out of the shell, a plurality of spray holes are formed in the periphery of the nozzle, the communicating pipe and the induction impeller are located on the same axis, and a plurality of openings are formed in the pipe wall of the communicating pipe located in the shell;
the circulating water mechanism comprises a circulating water tank and a power water pump, the circulating water tank is communicated with a water storage tank pipe, a water inlet of the power water pump is communicated with the circulating water tank pipe, and a water outlet of the power water pump is communicated with a shell pipe of the rotary spraying mechanism.
Preferably, a packing layer is arranged between the rotary spraying mechanism and the water storage tank in the cavity of the tower body.
Preferably, the filler layer is ceramic pall ring filler.
Preferably, a packing for rotary sealing is arranged between the shell and the communicating pipe.
Preferably, at least two sets of rotary spraying mechanisms are arranged in the washing tower, and each rotary spraying mechanism is connected with the power water pump in parallel.
Preferably, each rotary spraying mechanism is longitudinally arranged on the same axis, and the induction impellers of two adjacent sets of rotary spraying mechanisms rotate in opposite directions.
Preferably, the rotary spraying mechanisms are arranged at the same horizontal height.
Preferably, a filter screen is arranged at the water inlet end of the power water pump.
Preferably, the circulating water tank is provided with a water inlet and a water outlet, the water inlet is communicated with the pure water pipeline, and the water outlet is communicated with the absorption water tank in the hydrochloric acid working section.
Compared with the prior art, the utility model, have following advantage:
the utility model drives the induced impeller to rotate by the interval of the power water pump so as to drive the spray head to rotate, and simultaneously, the water flow passes through the induced impeller and continues to pass upwards through the communicating pipe cavity to enter the spray head, and the spray head is sprayed out in a rotating state and forms a water film similar to a circular plane, so that the hydrochloric acid waste gas flowing through the tower body is fully contacted with the washing water through the water film, thereby improving the washing effect on the hydrochloric acid waste gas;
the utility model discloses only rely on single power water pump's power take off, not only realize the pressure boost transmission to the washing water, can realize the rotatory injection of water moreover, consequently under the condition that does not increase power water pump cost, to the abundant utilization of power water pump.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a rotary spraying mechanism;
FIG. 3 is a schematic view of a longitudinal arrangement of multiple sets of spray mechanisms;
FIG. 4 is a schematic view of a lateral arrangement of multiple sets of spray mechanisms;
in the figure: 1. the tower comprises a tower body, 2, a pipeline connecting piece, 3, a power water pump, 4, a circulating water pool, 5, an air outlet, 6, a rotary spraying mechanism, 7, a packing layer, 8, an air inlet, 9, a bearing, 10, an induction impeller, 11, a shell, 12, spray holes, 13, a spray head, 14, a shell water inlet, 15, an opening, 16, a packing, 17 and a communicating pipe.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1 and 2, a hydrochloric acid exhaust gas washing tower comprises a tower body 1, wherein a water storage tank is arranged at the bottom in a cavity of the tower body 1, an air outlet 5 is arranged at the upper end of the tower body 1, an air inlet 8 is arranged at the lower end of the tower body 1, a circulating water mechanism is arranged on the outer side of the tower body 1, and a rotary spraying mechanism 6 is arranged in the cavity of the tower body 1.
The rotary spraying mechanism 6 comprises a shell 11, an induction impeller 10 is rotatably connected inside the shell 11, spiral blades are arranged on the induction impeller 10, a bearing 9 is arranged between the induction impeller 10 and the shell 11, the outer circle of the bearing 9 is fixedly connected with the shell 11, and the inner circle of the bearing 9 is sleeved at the lower end of a rotating shaft of the induction impeller 10 and is fixedly connected with the induction impeller 10.
The rotating shaft of the induction impeller 10 is fixedly connected with a communicating pipe 17 upwards, the upper end of the communicating pipe 17 extends out of the shell 11 and is rotatably connected with the shell 11, a packing 16 for rotary sealing is further arranged between the communicating pipe 17 and the shell 11, the packing 16 is sleeved on the pipe wall of the communicating pipe 17, the end portion, extending out of the shell 11, of the communicating pipe 17 is connected with a spray head 13, a plurality of openings 15 are formed in the pipe wall of the portion, located in the shell 11, of the communicating pipe 17, and the inner cavity of the shell 11 is communicated with the spray head 13 through the communicating.
Wherein the nozzle 13, the communicating pipe 17 and the inducing impeller 10 are located on the same axis, while the nozzle 13 is preferably of a cylindrical structure, and the outer circumference of the nozzle 13 is provided with a plurality of surrounding nozzle holes 12.
The circulating water mechanism comprises a circulating water tank 4 and a power water pump 3, the circulating water tank 4 is communicated with the water storage tank through a pipeline, the water inlet of the power water pump 3 is communicated with the circulating water tank 4 through a pipeline, the water outlet of the power water pump 3 is communicated with the lower end of a shell 11 of the rotary spraying mechanism 6 through a pipeline, the water storage tank and the circulating water tank 4 form circulating circulation through the power water pump 3, wherein a filter screen is arranged at the water inlet of the power water pump 3 and used for filtering insoluble substances with large particles so as to prevent the spray holes 12 from being blocked in the circulating process.
In the embodiment, a packing layer 7 is arranged between the rotary spraying mechanism 6 and the water storage tank in the cavity of the tower body 1, the packing layer 7 is ceramic pall ring packing, liquid flows along the surface of the packing layer by adding the packing layer to form a liquid film which is dispersed in continuously flowing waste gas, so that a gas-liquid two-phase contact surface is arranged on the surface of the liquid film of the packing, and the washing effect on the waste gas is improved.
The working principle is as follows: the power water pump 3 pressurizes and transmits water in the circulating water tank 4 to the shell 11 of the rotary spraying mechanism 6, the water drives the induction impeller 10 to rotate, and the communicating pipe 17 fixedly connected with the induction impeller 10 drives the spray head 13 to rotate;
simultaneously, water flows through induced impeller 10 and continues upwards after getting into by casing water inlet 14, and opening 15 through communicating pipe 17 lower extreme gets into the cavity of communicating pipe 17, then gets into shower nozzle 13 and by orifice 12 pressure boost blowout, because shower nozzle 13 is in the rotating state, the water that erupts forms the water film similar to circular plane to through the abundant hydrochloric acid waste gas fully contact of this water film and tower body 1 internal flow process, make the utility model discloses washing effect to hydrochloric acid waste gas improves greatly.
In order to avoid the waste problem of the washing hydrochloric acid waste gas, the water inlet of the circulating water tank 4 is communicated with pure water, the water outlet of the circulating water tank is communicated with an absorption water tank of a hydrochloric acid working section, acidic water generated by washing the hydrochloric acid waste gas by using the pure water can be directly used as absorption water by the hydrochloric acid working section, and the problem that primary water used for washing the hydrochloric acid waste gas in the prior art can only be sent into a purified water workshop for treatment and then is discharged is avoided, so that a large amount of water is saved, the utilization rate is improved, and alkali and labor cost for neutralizing treatment water are saved.
Example 2
The embodiment is optimized on the basis of embodiment 1, wherein no less than two sets of rotary spraying mechanisms 6 are arranged in the washing tower, and each rotary spraying mechanism 6 is connected with the power water pump 3 in parallel through a pipeline connecting piece 2;
the pipeline connector 2 may be a multi-branch pipeline connector such as a three-way connector or a four-way connector.
Referring to fig. 3, a plurality of sets of rotary spraying mechanisms 6 are longitudinally arranged on the same axis to form a multi-stage washing effect;
blades of the induction impellers 10 in the two adjacent sets of rotary spraying mechanisms 6 are in reverse spiral lines, so that the spray heads 13 of the two adjacent sets of rotary spraying mechanisms 6 rotate in reverse directions;
the water sprayed in use forms a water film similar to a circular plane, so that the washed hydrochloric acid waste gas can rise in a rotating manner, and when the water rises to the second set of rotating spraying mechanism 6 rotating in the opposite direction, the hydrochloric acid waste gas and the water film form opposite meeting, the contact between the hydrochloric acid waste gas and the water film is increased, and the washing effect is further improved.
Referring to fig. 4, the multiple sets of rotary spraying mechanisms 6 are arranged on the same horizontal plane, and the multiple sets of rotary spraying mechanisms 6 arranged transversely are suitable for the tower body 1 with larger pipe diameter, and preferably more than 3 sets of rotary spraying mechanisms are arranged on the same horizontal height, so that the area for forming a water film is increased, and the rotary spraying mechanisms are suitable for a washing tower with large pipe diameter and high yield.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a hydrochloric acid waste gas washing tower, includes the tower body, the intracavity bottom of tower body is equipped with catch basin, its characterized in that: a circulating water mechanism is arranged on the outer side of the tower body, and a rotary spraying mechanism is arranged in the cavity of the tower body;
the rotary spraying mechanism comprises a shell, an induction impeller is rotatably connected inside the shell, a rotating shaft of the induction impeller is fixedly connected with a communicating pipe upwards, the upper end of the communicating pipe extends out of the shell and is rotatably connected with the shell, a nozzle is connected to the end portion of the communicating pipe extending out of the shell, a plurality of spray holes are formed in the periphery of the nozzle, the communicating pipe and the induction impeller are located on the same axis, and a plurality of openings are formed in the pipe wall of the communicating pipe located in the shell;
the circulating water mechanism comprises a circulating water tank and a power water pump, the circulating water tank is communicated with a water storage tank pipe, a water inlet of the power water pump is communicated with the circulating water tank pipe, and a water outlet of the power water pump is communicated with a shell pipe of the rotary spraying mechanism.
2. The hydrochloric acid exhaust gas washing tower according to claim 1, characterized in that: and a packing layer is arranged in the cavity of the tower body and between the rotary spraying mechanism and the water storage tank.
3. The hydrochloric acid exhaust gas washing tower according to claim 2, characterized in that: the filler layer is ceramic pall ring filler.
4. The hydrochloric acid exhaust gas washing tower according to claim 1, characterized in that: and a packing for rotary sealing is arranged between the shell and the communicating pipe.
5. The hydrochloric acid exhaust gas washing tower according to claim 1, characterized in that: at least two sets of rotary spraying mechanisms are arranged in the washing tower, and each rotary spraying mechanism is connected with the power water pump in parallel.
6. The hydrochloric acid exhaust gas washing tower according to claim 5, characterized in that: the rotary spraying mechanisms are longitudinally arranged on the same axis, and the induced impellers of two adjacent rotary spraying mechanisms rotate in opposite directions.
7. The hydrochloric acid exhaust gas washing tower according to claim 5, characterized in that: and all the rotary spraying mechanisms are arranged at the same horizontal height.
8. The hydrochloric acid exhaust gas washing tower according to claim 1, characterized in that: and a filter screen is arranged at the water inlet end of the power water pump.
9. The hydrochloric acid exhaust gas washing tower according to any one of claims 1 to 8, characterized in that: and the circulating water tank is provided with a water inlet and a water outlet, the water inlet is communicated with the pure water pipeline, and the water outlet is communicated with the absorption water tank in the hydrochloric acid working section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104850.0U CN210278725U (en) | 2019-07-16 | 2019-07-16 | Hydrochloric acid exhaust gas washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104850.0U CN210278725U (en) | 2019-07-16 | 2019-07-16 | Hydrochloric acid exhaust gas washing tower |
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| Publication Number | Publication Date |
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| CN210278725U true CN210278725U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921104850.0U Active CN210278725U (en) | 2019-07-16 | 2019-07-16 | Hydrochloric acid exhaust gas washing tower |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474087A (en) * | 2020-11-23 | 2021-03-12 | 华东理工大学 | Liquid distributor, multistage efficient distributor and washing liquid spraying method |
| CN115043478A (en) * | 2022-08-15 | 2022-09-13 | 河北天茂印染有限责任公司 | Jet device and method for treating tatting fabric desizing wastewater |
| CN115445425A (en) * | 2022-10-17 | 2022-12-09 | 山东省济南生态环境监测中心 | Industrial waste gas treatment equipment |
| CN116870668A (en) * | 2023-07-31 | 2023-10-13 | 云浮市未来环保科技有限公司 | Hydrochloric acid fog waste gas absorbs processing apparatus |
-
2019
- 2019-07-16 CN CN201921104850.0U patent/CN210278725U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474087A (en) * | 2020-11-23 | 2021-03-12 | 华东理工大学 | Liquid distributor, multistage efficient distributor and washing liquid spraying method |
| CN115043478A (en) * | 2022-08-15 | 2022-09-13 | 河北天茂印染有限责任公司 | Jet device and method for treating tatting fabric desizing wastewater |
| CN115445425A (en) * | 2022-10-17 | 2022-12-09 | 山东省济南生态环境监测中心 | Industrial waste gas treatment equipment |
| CN116870668A (en) * | 2023-07-31 | 2023-10-13 | 云浮市未来环保科技有限公司 | Hydrochloric acid fog waste gas absorbs processing apparatus |
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