CN212999292U - Spray tower for exhaust-gas treatment - Google Patents
Spray tower for exhaust-gas treatment Download PDFInfo
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- CN212999292U CN212999292U CN202020942518.8U CN202020942518U CN212999292U CN 212999292 U CN212999292 U CN 212999292U CN 202020942518 U CN202020942518 U CN 202020942518U CN 212999292 U CN212999292 U CN 212999292U
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Abstract
The utility model relates to an environmental protection equipment field, concretely relates to spray column for exhaust-gas treatment, the exhaust-gas treatment spray column includes a hollow spray column, a sub-water tank, a water pump and a circulation line, the spray column is provided with a waste gas import and a net gas export, the sub-water tank sets up in the spray column outside, sub-water tank both ends are connected respectively the bottom of spray column reaches the water pump, spray column inside has set gradually a whirl gas distribution board, a second packing layer, a second by waste gas import to net gas export and has sprayed layer, a first packing layer, a first spraying layer and a defogging folded plate, pass through in the spray column the defogging folded plate first packing layer with the second packing layer with whirl gas distribution board divide into a plurality of work intervals with each part of spray column. The utility model discloses spray evenly, gas-liquid evenly distributed and fully contact, spray that the liquid can cyclic utilization, exhaust purification efficiency and effect are all good to each work interval all is equipped with transparent endurance plate closing cap hole and is convenient for observe, overhaul.
Description
Technical Field
The utility model relates to an environmental protection equipment field especially relates to an equipment for exhaust-gas treatment.
Background
The spray tower is a device for industrial waste gas treatment. The waste gas enters the spray tower from a waste gas inlet positioned at the lower part of the spray tower, passes through one or more spray layers and one or more packing layers from bottom to top in the spray tower, and is subjected to gas-liquid full contact and reaction in the packing layers by spraying liquid flowing down from the spray layers so as to achieve the purpose of purifying the waste gas, and finally leaves the spray tower through a waste gas outlet positioned at the top of the spray tower. Present traditional spray column has the face that sprays to exist the gap and leads to waste gas not to pass through with spraying liquid fully contacts and spray the layer, and the defogging effect is poor, and exhaust-gas treatment is rateed lowly, sprays the extravagant scheduling problem of liquid. Use application number 201821121796.6's utility model as an example, utility model includes a spray tower casing, a circulation tank, a low-temperature coolant liquid water tank, a circulating pump, the casing top sets up the waste gas vent, the casing bottom sets up the waste gas air inlet, the waste gas vent with set gradually a defroster between the waste gas air inlet, one spray layer, a packing layer, its simple structure, but the plywood of gaseous process is few, and the gas-liquid distribution is not enough even, can not guarantee waste gas and spray liquid and fully contact, and exhaust purification's efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects existing in the prior art, the spray tower for waste gas treatment is provided to solve the problem that waste gas does not fully contact with spray liquid and just passes through the spray layer.
Specifically, the technical scheme of the utility model is that:
a spray tower for waste gas treatment comprises a hollow spray tower, a sub-water tank, a water pump and a circulation pipeline, wherein the spray tower is provided with a waste gas inlet and a purified gas outlet, the sub-water tank is arranged outside the spray tower, two ends of the sub-water tank are respectively connected with the bottom of the spray tower and the water pump, a rotational flow gas distribution plate, a second packing layer, a second spraying layer, a first packing layer, a first spraying layer and a demisting folded plate are sequentially arranged in the spray tower from the waste gas inlet to the purified gas outlet, a first packing support, a second packing support and a third packing support are respectively arranged below the demisting folded plate, the first packing layer and the second packing layer, one side of the first packing support and one side of the second packing support, which are far away from the purified gas outlet, are respectively provided with a spray pipe, and the spray pipe is connected with the water pump through the circulation pipeline, and each part of the spray tower is divided into a plurality of working sections by the demisting folded plate, the first packing layer, the second packing layer and the rotational flow gas distribution plate in the spray tower.
Furthermore, the waste gas inlet of the spray tower is positioned at one side between the rotational flow gas distribution plate and the bottom of the spray tower.
Furthermore, the purified gas outlet is positioned at the top of the spray tower, and the demisting folded plate corresponds to the purified gas outlet.
Furthermore, an automatic liquid supplementing device is arranged on the inner side of the sub-water tank.
Further, the sub-water tank is provided with a filtering device.
Further, the first spraying layer and the second spraying layer respectively comprise at least twenty spiral nozzles, and the spiral nozzles on the first spraying layer and the spiral nozzles on the second spraying layer are installed in a staggered mode.
Further, a plurality of irregular polyhedral spheres are filled in the first filler layer and the second filler layer.
Further, the irregular multi-face sphere is a multi-face sphere made of PP plastic.
Furthermore, each corresponding working interval inside the spray tower is provided with a hole of a transparent endurance plate sealing cover for observation, maintenance and other various works.
The utility model has the advantages that the structure is simple, the rotational flow gas distribution plate is arranged to lead the waste gas to generate rotation and centrifugal motion through the blades, high-speed whirlwind is formed and evenly distributed in the spray tower, the waste gas evenly passes through the packing layer, gas and liquid are fully contacted, the waste gas purification efficiency and effect are improved, the spiral nozzle of the first spray layer and the spiral nozzle of the second spray layer are installed in a staggered way, at least twenty spiral nozzles are arranged on each layer, the spray liquid is evenly distributed in the spray tower, the gas and liquid are evenly distributed, further, the multi-surface ball packing layer is arranged, the rising waste gas and the liquid dropping from the first spray layer and the second spray layer are randomly moved in the packing layer, so that the contact area is fully contacted, the gas and liquid contact area is enlarged, the waste gas purification efficiency is improved, further, through setting up the defogging folded plate, the liquid in the waste gas can be kept off on the baffle when making the waste gas pass through the defogging folded plate to reach the effect of liquid-gas separation, solve the poor problem of defogging effect, further, through setting up sub-tank, water pump and circulating line realize spraying liquid can cyclic utilization, and all be equipped with transparent endurance plate closing cap hole on the lateral wall that each work interval corresponds and conveniently observe and overhaul.
Drawings
FIG. 1 is a front view showing a structure of a spray tower for treating exhaust gas according to a first embodiment;
FIG. 2 is a side view showing a structure of a spray tower for treating exhaust gas according to a first embodiment;
in the figure: 100 spray towers, 200 sub-water tanks, 300 water pumps, 400 circulation pipelines, 101 clean gas outlets, 102 demisting folding plates, 103 first packing supports, 104 first spray layers, 105 first packing layers, 106 second packing supports, 107 second spray layers, 108 second packing layers, 109 third packing supports, 110 rotational flow gas distribution plates, 111 waste gas inlets, 111 first transparent endurance plate capping holes, 112 second transparent endurance plate capping holes and 113 third transparent endurance plate capping holes.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the embodiment provides a spray tower for treating exhaust gas, which includes a hollow spray tower 100, a sub-tank 200, a water pump 300 and a circulation pipe 400, the spray tower 100 is provided with a waste gas inlet 111 and a clean gas outlet 101, the clean gas outlet 101 is located at the top of the spray tower 100, the sub-water tank 200 is arranged outside the spray tower 100, two ends of the sub-water tank 200 are respectively connected with the bottom of the spray tower 100 and the water pump, a demisting folded plate 102, a first spraying layer 104, a first packing layer 105, a second spraying layer 107, a second packing layer 108 and a rotational flow gas distribution plate 110 are sequentially arranged in the spraying tower 100 from the clean gas outlet 101 to the waste gas inlet 111, the demisting flap 102 corresponds to the clean gas outlet 101, and the waste gas inlet 111 is located at one side between the cyclone gas distribution plate 110 and the bottom of the spray tower 100. A first filler support 103, a second filler support 106 and a third filler support 109 are respectively arranged below the defogging folding plate 102, the first filler layer 105 and the second filler layer 108, a spray pipe is arranged below the first filler support 103 and the second filler support 106, the spray pipe is connected with the water pump 300 through the circulating pipeline 400, each part of the spray tower 100 is divided into a plurality of working sections through the defogging folding plate 102, the first filler layer 105, the second filler layer 107 and the rotational flow gas distribution plate 110 in the spray tower 100, in the embodiment, waste gas enters from the waste gas inlet 111 and firstly passes through the rotational flow gas distribution plate 110, high-speed whirlwind is formed from the beginning of working under the action of the rotational flow gas distribution plate 110 and is uniformly distributed in the spray tower 100, so that the problem that the waste gas in the working process of the front procedure caused by the rotational flow gas distribution plate 110 in the subsequent procedure is avoided, then, the waste gas sequentially passes through the second packing layer 108, the second spraying layer 107, the first packing layer 105 and the first spraying layer 104, the purpose of the arrangement is to enable the waste gas to be contacted with spraying liquid layer by layer, and the problem that the waste gas passes through the spraying layers without being fully contacted with the spraying liquid due to the existence of gaps on a spraying surface is solved, further, the first spraying layer 104 and the second spraying layer 107 respectively comprise at least twenty spiral nozzles, and the spiral nozzles in the first spraying layer 104 and the second spraying layer 107 are installed in a staggered mode, so that the spraying liquid can uniformly cover the whole spraying tower and is fully contacted with the rising waste gas; further, a plurality of irregular polyhedral spheres are filled in the first packing layer 105 and the second packing layer 108, the irregular polyhedral spheres are hollow polyhedral spheres made of PP plastic, compared with Raschig packing selected by a traditional spray tower, the carbon removal effect and the water distribution performance of the polyhedral spheres are stronger, the polyhedral spheres are large in packing surface area, easy to stack and not easy to break, and can enable dropping spray liquid and rising waste gas to move irregularly in the first packing layer 105 and the second packing layer 108, so that the gas-liquid contact area is increased, and the waste gas purification efficiency is improved.
Further, the automatic liquid supplementing device is arranged on the inner side of the sub-water tank, the sub-water tank 200 is provided with the filtering device, solid impurities such as dregs of spraying water in the sub-water tank 200 can be gradually increased along with the use of the spraying tower, foreign matters can be blocked on the spiral nozzle by circularly using the spraying water, the forming of a spraying surface can be seriously influenced, and the filtering device can effectively solve the problem.
Further, each corresponding working interval inside the spray tower 100 is provided with a first transparent endurance plate cover hole 111, a second transparent endurance plate cover hole 112 and a third transparent endurance plate cover hole 113 for observation, maintenance and other various works, and when the equipment works, an operator can observe the working condition inside the spray tower 100, find the occurring problems in time and enter the spray tower 100 for maintenance.
The embodiment provides a spray tower for waste gas treatment, when in use, waste gas airflow containing various impurities enters the spray tower 100 from a waste gas inlet 111 under the action of a fan, the waste gas forms high-speed cyclone through a cyclone gas distribution plate 110, so that the waste gas is uniformly distributed on the inner side of the spray tower 100, then the spiral nozzles in a first spray layer 104 and a second spray layer 107 spray vaporous spray liquid, the waste gas can fully contact with the spray liquid through the irregular movement of the waste gas and the spray liquid when passing through a first packing layer 105 and a second packing layer 108 after passing through the first packing layer 105 and the second packing layer 108, the waste gas and the spray liquid are fully collided, contacted, dissolved and absorbed under the cyclone effect generated by the cyclone gas distribution plate 110, finally the liquid gas is separated by a demisting folded plate 102, and the purified gas leaves the spray tower 100 through a clean gas outlet 101, the separated spray liquid flows to the bottom of the tower along with the water film on the wall of the tower, then enters the sub-water tank 200, is filtered, and is pumped into the first spray layer 104 and the second spray layer 107 by the water pump 300 through the circulating pipeline 400, so that the cyclic use of the spray liquid is completed.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (9)
1. A spray tower for waste gas treatment comprises a hollow spray tower, a sub-water tank, a water pump and a circulating pipeline, wherein the spray tower is provided with a waste gas inlet and a purified gas outlet, the sub-water tank is arranged outside the spray tower, and two ends of the sub-water tank are respectively connected with the bottom of the spray tower and the water pump, the spray tower is characterized in that a rotational flow gas distribution plate, a second packing layer, a second spray layer, a first packing layer, a first spray layer and a demisting folded plate are sequentially arranged in the spray tower from the waste gas inlet to the purified gas outlet, a first packing support, a second packing support and a third packing support are respectively arranged on one sides of the demisting folded plate, the first packing layer and the second packing layer, which are close to the waste gas inlet, one sides of the first packing support and the second packing support, which are far away from the purified gas outlet, are respectively provided with a spray pipe, the spray pipe is connected with the water pump through the circulating pipeline, and all parts of the spray tower are divided into a plurality of working sections through the demisting folded plate, the first packing layer, the second packing layer and the rotational flow gas distribution plate in the spray tower.
2. The spray tower for treating exhaust gas according to claim 1, wherein the exhaust gas inlet is located on a side between the swirl plate and the bottom of the spray tower.
3. The spray tower for treating waste gas as claimed in claim 1, wherein said clean gas outlet is located at the top of said spray tower, and said demister flap is located at a position corresponding to said clean gas outlet.
4. The shower tower for treating waste gas as claimed in claim 1, wherein an automatic liquid replenishing device is disposed inside the sub-tank.
5. The spray tower for treating waste gas of claim 1, wherein said sub-tanks are provided with a filtering device.
6. The spray tower for treating exhaust gas according to claim 1, wherein each of the first spray layer and the second spray layer comprises at least twenty spiral nozzles, and the spiral nozzles on the first spray layer and the spiral nozzles on the second spray layer are installed in a staggered manner.
7. The spray tower for treating exhaust gas according to claim 1, wherein the first filler layer and the second filler layer are filled with a plurality of irregular polyhedral spheres.
8. The spray tower for treating the waste gas as claimed in claim 7, wherein the irregular polyhedral sphere is a polyhedral sphere made of PP plastic.
9. The spray tower for treating the waste gas as claimed in claim 1, wherein transparent endurance plate covering holes are formed in the corresponding side walls of the corresponding working intervals in the spray tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020942518.8U CN212999292U (en) | 2020-05-29 | 2020-05-29 | Spray tower for exhaust-gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020942518.8U CN212999292U (en) | 2020-05-29 | 2020-05-29 | Spray tower for exhaust-gas treatment |
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| CN212999292U true CN212999292U (en) | 2021-04-20 |
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| CN202020942518.8U Active CN212999292U (en) | 2020-05-29 | 2020-05-29 | Spray tower for exhaust-gas treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101797A (en) * | 2021-04-25 | 2021-07-13 | 江苏龙净科杰环保技术有限公司 | Novel regeneration washs pond exhaust-gas treatment device |
| CN114177725A (en) * | 2021-11-02 | 2022-03-15 | 太仓市宇格明叶环保设备有限公司 | Multi-module rotary atomizing spray tower and working method thereof |
-
2020
- 2020-05-29 CN CN202020942518.8U patent/CN212999292U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101797A (en) * | 2021-04-25 | 2021-07-13 | 江苏龙净科杰环保技术有限公司 | Novel regeneration washs pond exhaust-gas treatment device |
| CN113101797B (en) * | 2021-04-25 | 2023-01-10 | 江苏龙净科杰环保技术有限公司 | Novel regeneration washs pond exhaust-gas treatment device |
| CN114177725A (en) * | 2021-11-02 | 2022-03-15 | 太仓市宇格明叶环保设备有限公司 | Multi-module rotary atomizing spray tower and working method thereof |
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