CN107952358B - Waste gas treatment device - Google Patents
Waste gas treatment device Download PDFInfo
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- CN107952358B CN107952358B CN201711273246.6A CN201711273246A CN107952358B CN 107952358 B CN107952358 B CN 107952358B CN 201711273246 A CN201711273246 A CN 201711273246A CN 107952358 B CN107952358 B CN 107952358B
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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Abstract
The invention belongs to the field of environment-friendly equipment, and particularly relates to a waste gas treatment device which comprises a conveying pipeline, wherein an air blower, waste gas detection equipment and a waste gas purification and emission device are arranged on the conveying pipeline, the waste gas purification and emission device comprises a purification tower main body, a water circulation treatment device is arranged at the lower part of the purification tower main body, the purification tower main body comprises a purification tower lower shell and a purification tower upper shell, the purification tower lower shell and the purification tower upper shell are connected through a connecting and fixing frame, a movable filler layer assembly is arranged in the purification tower lower shell, a novel spraying mechanism is arranged at the upper part of the movable filler layer assembly, and a first controllable rotating mechanism is arranged on the novel spraying mechanism. The whole technical scheme of the invention has the characteristics of ingenious design, compact structure and small occupied area, wherein the novel spraying mechanism and the first controllable rotating mechanism are matched to greatly improve the reaction effect of waste gas in the tower body, namely, the environment is protected, the discharged flue gas can be further purified, and the national emission standard is reached.
Description
Technical Field
The invention belongs to the field of environment-friendly equipment, relates to relevant equipment for waste gas treatment, and particularly relates to a waste gas treatment device.
Background
The waste gas treatment mainly refers to the treatment of industrial waste gas such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas generated in industrial places. Common waste gas treatment includes factory smoke waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas peculiar smell purification, acid-base waste gas purification, chemical waste gas purification and the like. The common methods are as follows: the water absorption method, the aeration activated sludge deodorization method and the multi-medium catalytic oxidation process have the advantages that the waste gas pollutes air seriously, so strict requirements are made for waste gas treatment environmental protection departments of chemical plants, and the waste gas can be discharged after the treatment of each plant reaches the standard. Aiming at the problems that a large amount of waste gas exists in the production and processing processes of brazing parts, for example, certain harmful gas exists in the processing processes of a brazing furnace and a tin dipping furnace for workpieces, equipment specially used for treating the waste gas does not exist in the prior art, the harmful gas generated in the production can be diffused in a workshop, and the polluted air influences the human health of workers, so that a new technical scheme is urgently needed to solve the technical problems.
Wherein, the industrial boiler generally uses coal as fuel, and the coal-fired flue gas contains a large amount of toxic gases and pollutants such as micro-dust particles, sulfur dioxide, nitrogen oxide, carbon black and the like, and generally seriously exceeds the upper limit specified in the national boiler atmospheric pollution discharge standard.
In order to solve the problem that the boiler smoke emission seriously exceeds the standard, a purification tower is generally adopted for purification treatment before the smoke emission, so that the smoke emission meets the national emission standard of boiler air pollution. The inner structure of present purifying tower generally includes spray set and purifier, and purifier generally adopts the defroster, and the defroster is located spray set's top, and spray set is used for spraying alkaline solution, and if magnesium oxide absorbs the method, spray set sprays magnesium hydrate solution, makes sulfur dioxide in the flue gas and magnesium hydrate take place to react and generate magnesium sulfite, and the defroster then gets rid of the water smoke in the flue gas, further purifies the flue gas. However, because a lot of dust particles, sulfur dioxide and other harmful gases still exist in the flue gas passing through the spraying device, the demisters cannot be further removed, so that the flue gas discharged through the chimney at the top of the purification tower still hardly reaches the national emission standard for atmospheric pollution of boilers.
Disclosure of Invention
The present invention addresses the above-described problems and provides an exhaust gas treatment device.
In order to achieve the aim, the invention adopts the technical proposal that,
a waste gas treatment device comprises a conveying pipeline, wherein an air blower, waste gas detection equipment and a waste gas purification and discharge device are sequentially arranged on the conveying pipeline along the flowing direction of waste gas, the waste gas purification and discharge device comprises a purification tower main body, a water circulation treatment device is arranged at the lower part of the purification tower main body, the purification tower main body comprises a purification tower lower shell and a purification tower upper shell arranged at the upper part of the purification tower lower shell, the purification tower lower shell and the purification tower upper shell are fixedly connected through a connecting and fixing frame, a packing layer is arranged in the purification tower lower shell, a spraying mechanism is arranged at the upper part of the packing layer, the spraying mechanism comprises a rotary fixing piece arranged at the lower part of the inner side of the purification tower upper shell and an inclined spraying pipe arranged at the upper part of the inner side of the purification tower lower shell at the lower part of the rotary fixing piece, the lower part of the upper fixed ring shell is provided with a lower fixed ring shell matched with the upper fixed ring shell, the bottom of the lower fixed ring shell is provided with a containing hole for containing an inclined spray pipe, and the lower part of the lower fixed ring shell is provided with a controllable rotating mechanism;
the inclined spraying pipe comprises a spraying pipe body, a spiral flow deflector is arranged inside the spraying pipe body, spraying holes are formed in the inner side of the spraying pipe body, and spraying heads are arranged in the spraying holes;
the controllable rotating mechanism comprises a driven gear ring arranged on the outer side of the lower fixed shell and a driving gear assembly arranged on the connecting and fixing frame and matched with the driven gear ring, and the driving gear assembly comprises a driving gear matched with the driven gear ring and a controllable driving motor for driving the driving gear to work;
the connecting fixing frame comprises a lower fixing frame arranged on the outer side of the lower shell of the purifying tower and an upper fixing frame arranged on the outer side of the upper shell of the purifying tower, and the lower fixing frame and the upper fixing frame are connected through a controllable hydraulic cylinder.
Preferably, the top of the upper shell of the purification tower is provided with an air outlet.
Preferably, a water inlet is arranged at the top of the upper fixing ring shell.
Preferably, the water circulation treatment device comprises a water storage box body, a drain outlet is formed in the bottom of the side face of the water storage box body, a drain inlet is formed in the upper portion of the drain outlet, a water pumping port is formed in the side face of the water storage box body, a circulation port which is matched with the water pumping port is formed in the side face of the shell on the purification tower, the water inlet, the circulation port and the water pumping port are connected through a water pipe, and a water pump is arranged on the water pipe.
Preferably, the inclined angle of the inclined spray pipe is 0-90 degrees.
Preferably, the inclined angle of the inclined spray pipe is 15-60 degrees.
Preferably, a transition protection shell arranged corresponding to the inclination angle of the inclined spray tower is arranged at the upper part of the lower shell of the purification tower.
Preferably, a filler inlet and outlet is arranged on the side surface of the lower shell of the purification tower.
Compared with the prior art, the invention has the advantages and positive effects that,
1. the whole technical scheme of the invention has the advantages of ingenious design, compact structure and small occupied area;
2. the spraying mechanism and the controllable rotating mechanism are matched to greatly improve the reaction effect of the waste gas in the tower body, so that the environment is protected, the discharged flue gas can be further purified, and the characteristics of national emission standard and the like are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a process flow diagram of an exhaust gas treatment device;
FIG. 2 is a schematic perspective view of an exhaust emission control device;
fig. 3 is an exploded view of an exhaust gas purifying and discharging device;
fig. 4 is an exploded view of the exhaust gas purifying and discharging device;
FIG. 5 is a schematic perspective view of the spraying mechanism;
FIG. 6 is an exploded view of the spray mechanism;
fig. 7 is a schematic perspective view of a spiral guide vane;
in the above-described figures, the first and second,
A. an exhaust gas purification and discharge device;
1. the device comprises a lower shell of a purification tower, 11, a filler inlet and outlet, 12, a transition protection shell, 2, a water storage tank body, 21, a water pumping port, 22, a sewage inlet, 23, a sewage outlet, 3, an upper shell of the purification tower, 31, an air outlet, 4, an upper fixing frame, 5, a lower fixing frame, 6, a controllable hydraulic cylinder, 7, a spraying mechanism, 71, an upper fixing ring shell, 711, a water inlet, 72 and a lower fixing ring shell; 73. driven gear circle, 74, driving gear, 75, controllable driving motor, 76, spraying pipe body, 761, spraying hole, 77, spiral deflector, 8, water pipe;
B. an exhaust gas detection device;
C. a blower;
D. a delivery conduit.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Example 1 the present invention provides an exhaust gas treatment device, as shown in figures 1 to 7, which is primarily intended for the treatment of waste flue gases, i.e. the direction of flue gas treatment refers generally to gases with some emissions into the atmosphere which pollute the atmosphere and gases which do not comply with national regulations, and the specific design of the device will be described in detail below.
As shown in fig. 1, the exhaust gas treatment device includes a conveying pipeline, which is mainly used for conveying the exhaust gas, i.e. the exhaust gas to be treated, and a blower, an exhaust gas detection device and an exhaust gas purification and discharge device are sequentially arranged on the conveying pipeline along the flowing direction of the exhaust gas, wherein the blower is used for performing re-boosting treatment on the gas in the conveying pipeline, and the exhaust gas detection device is used for detecting the content of harmful gas in the exhaust gas, analyzing the detection result and transmitting the analysis result to the exhaust gas purification and discharge device to realize the purification treatment on the exhaust gas; from exhaust purification discharging equipment including purification tower main part, its purification tower main part's lower part has set up water circulation processing apparatus, as can be seen from figure 2, 3 easily, the inventor has divided exhaust purification discharging equipment into a plurality of parts, and its advantage is, the maintenance and the change of being more convenient, so the purpose of design is also that the water circulation part is easily destroyed.
The following specifically describes the specific arrangement of the purification tower main body and the water circulation treatment device and the matching arrangement between the two, for the purification tower main body, the whole structure is a cylindrical structural design, the purification tower main body comprises a purification tower lower shell and a purification tower upper shell arranged on the upper part of the purification tower lower shell, as can be seen from fig. 3 and 4, the inventor designs the purification tower main body into two parts, also for realizing more changing effects of the purification tower main body and easier replacement and maintenance, however, for the purpose of the arrangement, also for the design of the whole structure, the inventor arranges a connecting fixing frame between the purification tower lower shell and the purification tower upper shell, namely the connecting fixing frame realizes the connecting and fixing of the purification tower lower shell and the purification tower upper shell, for the arrangement of the connecting fixing frame, the inventor designs a great amount of the leading arrangement of the connecting fixing frame, finally, the lower shell of the purification tower is taken as a leading design point and is the firmest, namely the lower shell of the purification tower is supported and connected with a fixed frame which is fixedly connected with the upper shell of the purification tower; in order to achieve the purpose of waste gas treatment, a corresponding packing layer needs to be arranged inside a purification tower main body (a lower shell of the purification tower), namely various chemical components which react with waste gas are placed in the packing layer, so that the waste gas enters the purification tower main body for the first purification treatment, and for the arrangement position of the packing layer, an inventor also conducts a large number of experiments, namely the packing layer is designed inside the lower shell of the purification tower, and the specific design mode and the current stage are relatively conventional design, so detailed description is omitted; as can be seen from fig. 4, the spraying mechanism is arranged at the upper part of the packing layer, the spraying mechanism is designed to be the second purification barrier of the purification tower, and for the design of the spraying mechanism, the inventor makes a larger design, as shown in fig. 5 and fig. 6, the spraying mechanism comprises a rotary fixing piece arranged at the lower part inside the upper shell of the purification tower and an inclined spraying pipe arranged at the upper part inside the lower shell of the purification tower at the lower part of the rotary fixing piece, and for the rotary fixing piece and the inclined spraying pipe, the rotary fixing piece can realize that the inclined spraying pipe rotates inside the purification tower body, so that the multidimensional and multi-time treatment between the waste gas and the spraying liquid is realized, namely the detention time of the waste gas in the purification tower is improved, namely the reaction effect is improved; the rotary fixing part comprises an upper fixing ring shell, for the upper fixing ring shell, the position of the upper fixing ring shell is arranged in the lower shell of the purification tower, as can be seen from fig. 6, the lower fixing ring shell matched with the upper fixing ring shell is arranged at the lower part of the upper fixing ring shell, and the upper fixing ring shell is arranged by wrapping the lower fixing ring shell; the bottom of the lower fixing ring shell is provided with a containing hole for containing the inclined shower pipe, the design of the containing hole is determined by the design of the inclined shower pipe, namely if the lower fixing ring shell and the lower fixing ring shell adopt a threaded connection mode, the containing hole is threaded, if the lower fixing ring shell and the lower fixing ring shell adopt a welded connection mode, the inclined shower pipe needs to be welded, however, the inventor uses a threaded connection mode, and the inclined shower pipe which has problems or the inclined shower pipe with different inclined angles can be replaced; for the purpose of rotating the rotary fixing member, a controllable rotating mechanism is provided at the lower portion of the lower fixing ring shell, and there are many designs for the controllable rotating mechanism, but the inventor also provides specific designs, which will be described in detail later.
The inclined spraying pipe comprises a spraying pipe body, for the spraying pipe body, the spraying pipe body needs to be designed into a straight pipeline, so that the flowing speed of liquid can be ensured, a spiral flow deflector is arranged inside the spraying pipe body, for the spiral flow deflector, as shown in figure 7, the shape of the spiral flow deflector is mainly used for purifying liquid in a solution space, and the spiral flow deflector can move fully in the spraying pipe body, so that the solution achieves the optimal moving effect, namely the reaction effect of the solution and waste gas is improved; the inner side of the spray pipe body is provided with spray holes, corresponding spray heads are arranged in the spray holes, and for the arrangement positions of the spray holes, the inventor conducts a large number of tests to obtain a design scheme that only one row of spray holes are arranged on one spray pipe body, the design positions of the spray holes are opposite to the central axis of the purification tower body, namely, a solution sprayed by the spray heads forms regular collision reaction with upstream waste gas, namely, if the spray holes are designed into a plurality of rows, the phenomenon of interaction between the spray holes on one spray pipe body can occur, namely, the solution can lose part of acting force, and the purpose of acting force on the waste gas is also lost.
The controllable rotating mechanism comprises a driven gear ring arranged on the outer side of a lower fixed shell and a main gear assembly arranged on a connecting and fixing frame and matched with the driven gear ring, the driven gear ring and the lower fixed shell are connected in a welding mode, namely the driven gear ring and the lower fixed shell are connected and fixed, a driving gear assembly is arranged to be matched with the driven gear ring, the driving gear assembly comprises a driving gear matched with the driven gear and a controllable driving motor used for driving the driving gear to work, the design idea is that the driving gear and the driven gear ring rotate mutually under the action of the controllable driving motor, so that the spraying effect of the spraying pipe body of the spraying pipe is realized, but the sealing effect of the lower shell of the purifying tower and the upper shell of the purifying tower is ensured for the design of the controllable rotating mechanism, i.e. so that the gas inside the tower cannot flow out.
The connecting and fixing frame is used for fixing the lower shell and the upper shell of the purification tower, but the improved connecting and fixing frame is not simple in design and comprises the lower fixing frame arranged on the outer side of the lower shell of the purification tower and the upper fixing frame arranged on the outer side of the upper shell of the purification tower, the lower fixing frame and the upper fixing frame are connected and arranged through the controllable hydraulic cylinder, and the controllable hydraulic cylinder is designed to separate the upper fixing frame from the lower fixing frame so as to separate the lower shell of the purification tower from the upper shell of the purification tower.
In addition to the above design, in order to improve the overall effect, the following design is made:
as can be seen from fig. 3, the inventor provided the water inlet at the top of the upper stationary ring housing, so the water inlet was provided on the upper stationary ring housing because the upper stationary ring housing was stationary, i.e., the water inlet pipe on the water inlet was not affected by rotation;
the water circulation treatment device comprises a water storage tank body, and for the water storage tank body, the water circulation treatment device is actually a storage space, namely, a solution sprayed out of a spraying mechanism and waste gas can react in a tower body, so the obtained reactant can flow into the water storage tank, and a layering phenomenon can also occur in the water storage tank after long-time precipitation, namely a sewage layer at the bottom and an available water layer at the upper part; in addition, the inventor also sets up the mouth that draws water on the side of water storage tank, has set up the circulation mouth that sets up with drawing water mouthful cooperation on the side of its purification tower upper shell, and its water inlet, circulation mouth, water pipe between set up through water piping connection, have set up the water pump on its water pipe, this part is not drawn completely in the picture, and it is better understood here, even the available water in the water storage tank can recycle.
It should be noted that the inclination angle of the inclined shower pipe is an angle between the inclined shower pipe and the central axis of the tower body, and the inventor has found through a large number of experiments that the inclination angle is 0 to 90 degrees, and the optimal range is 15 to 60 degrees.
The upper part of the lower shell of the purification tower is provided with a transition protection shell which is arranged corresponding to the inclination angle of the inclined spray tower, and the transition protection shell is mainly designed for saving space and enabling waste gas to fully react with solution.
And a filler inlet and a filler outlet are formed in the side surface of the lower shell of the purification tower.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (7)
1. A waste gas treatment device comprises a conveying pipeline, wherein an air blower, waste gas detection equipment and a waste gas purification and emission device are sequentially arranged on the conveying pipeline along the flowing direction of waste gas, and the waste gas purification and emission device is characterized by comprising a purification tower main body, a water circulation treatment device is arranged at the lower part of the purification tower main body, the purification tower main body comprises a purification tower lower shell and a purification tower upper shell arranged at the upper part of the purification tower lower shell, the purification tower lower shell and the purification tower upper shell are fixedly connected through a connecting and fixing frame, a packing layer is arranged in the purification tower lower shell, a spraying mechanism is arranged at the upper part of the packing layer, the spraying mechanism comprises a rotary fixing piece arranged at the lower part of the inner side of the purification tower upper shell and an inclined spraying pipe arranged at the lower part of the rotary fixing piece and positioned at the upper, the rotary fixing piece comprises an upper fixing ring shell, a lower fixing ring shell matched with the upper fixing ring shell is arranged at the lower part of the upper fixing ring shell, an accommodating hole for accommodating the inclined spray pipe is formed in the bottom of the lower fixing ring shell, and a controllable rotating mechanism is arranged at the lower part of the lower fixing ring shell;
the inclined spraying pipe comprises a spraying pipe body, a spiral flow deflector is arranged inside the spraying pipe body, spraying holes are formed in the inner side of the spraying pipe body, and spraying heads are arranged in the spraying holes; the controllable rotating mechanism comprises a driven gear ring arranged on the outer side of the lower fixed shell and a driving gear assembly arranged on the connecting and fixing frame and matched with the driven gear ring, and the driving gear assembly comprises a driving gear matched with the driven gear ring and a controllable driving motor for driving the driving gear to work;
the connecting fixing frame comprises a lower fixing frame arranged on the outer side of the lower shell of the purifying tower and an upper fixing frame arranged on the outer side of the upper shell of the purifying tower, and the lower fixing frame and the upper fixing frame are connected through a controllable hydraulic cylinder.
2. The exhaust gas treatment device of claim 1, wherein the top of the upper shell of the purification tower is provided with an air outlet.
3. An exhaust gas treatment device according to claim 1, wherein the top of the upper stationary ring housing is provided with a water inlet.
4. The waste gas treatment device of claim 3, wherein the water circulation treatment device comprises a water storage tank body, a sewage draining outlet is formed in the bottom of the side face of the water storage tank body, a sewage draining inlet is formed in the upper portion of the sewage draining outlet, a water pumping port is formed in the side face of the water storage tank body, a circulation port matched with the water pumping port is formed in the side face of the shell on the purification tower, the water inlet, the circulation port and the water pumping port are connected through a water pipe, and a water pump is arranged on the water pipe.
5. An exhaust gas treatment device according to claim 4, wherein the inclined angle of the inclined shower pipe is 0 ° to 90 °.
6. An exhaust gas treatment device according to claim 5, wherein the inclined angle of the inclined shower pipe is 15 ° to 60 °.
7. The exhaust gas treatment device according to claim 4, wherein the side surface of the lower shell of the purification tower is provided with a filler inlet/outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273246.6A CN107952358B (en) | 2017-12-06 | 2017-12-06 | Waste gas treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273246.6A CN107952358B (en) | 2017-12-06 | 2017-12-06 | Waste gas treatment device |
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| CN107952358A CN107952358A (en) | 2018-04-24 |
| CN107952358B true CN107952358B (en) | 2021-03-23 |
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| CN115138163A (en) * | 2022-06-27 | 2022-10-04 | 安徽中宏橡塑有限公司 | Combined organic waste gas purification tower for waste rubber regeneration |
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| JP2011038661A (en) * | 2009-08-07 | 2011-02-24 | Ohbayashi Corp | Water spray screen device |
| CN103521015A (en) * | 2013-09-24 | 2014-01-22 | 浙江亚特电器有限公司 | Water spraying device |
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| CN105214467A (en) * | 2015-11-11 | 2016-01-06 | 新疆旭日环保股份有限公司 | Rotary spray carbon dioxide removal device |
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