CN209901023U - Desulfurization dust removal spray set - Google Patents
Desulfurization dust removal spray set Download PDFInfo
- Publication number
- CN209901023U CN209901023U CN201920482735.0U CN201920482735U CN209901023U CN 209901023 U CN209901023 U CN 209901023U CN 201920482735 U CN201920482735 U CN 201920482735U CN 209901023 U CN209901023 U CN 209901023U
- Authority
- CN
- China
- Prior art keywords
- spray
- layer
- desulfurization
- spray layer
- absorption tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model provides a desulfurization dust removal spray set, it includes the absorption tower, and set up first spray layer, second spray layer, packing layer, third spray layer, fourth spray layer and defroster from the bottom to the top in the absorption tower in order, the top center of absorption tower is equipped with the flue gas outlet, the absorption tower is located and is equipped with the flue gas entry on the lower lateral wall of first spray layer, the packing layer includes the hollow filler ball that sets up at least two-layer and its diameter size is 60 ~ 100 mm; a liquid outlet is arranged at the bottom of the absorption tower and is connected with a collecting tank, the collecting tank is connected with a desulfurization liquid tank through a circulating pipeline, and the desulfurization liquid tank is respectively connected with each spraying layer through a conveying pipeline; the structure that the packing layer is provided with two or more layers of packing balls and the circulating pipeline is combined is adopted, so that the defects of high investment cost and high energy consumption of equipment in the prior art are overcome, the equipment manufacturing and operating cost is low, the desulfurization and dust removal effects can be guaranteed, and the influence of smoke emission on the environment is reduced; it is widely suitable for matching use in flue gas purification operation.
Description
Technical Field
The utility model relates to a gas cleaning equipment especially relates to a desulfurization dust removal spray set.
Background
As is well known, the coal consumption of China, which is a country with coal as a main energy source, exceeds 35 hundred million tons every year, and the generated sulfur dioxide and dust are seriously polluted; the traditional flue gas desulfurization and dust removal treatment equipment generally needs to be respectively subjected to dust removal and desulfurization treatment, and the dust removal and desulfurization processes are respectively provided with an independent treatment device, so that the equipment investment is large, the whole treatment process is complex, the occupied area is large, and the cost is extremely high.
At present, a plurality of manufacturers develop and develop a wet type desulfurization and dust removal method which adopts desulfurization solution and SO in flue gas2The reaction is combined with spray dedusting, namely a desulfurization liquid spray layer is arranged in the absorption tower, and sulfur dioxide and smoke dust in the flue gas are circularly sprayed and absorbed by a spray device, so that the flue gas desulfurization and dedusting integrated characteristic is achieved, and the flue gas desulfurization and dedusting integrated device is widely applied in the flue gas purification industry; however, in order to improve the efficiency of flue gas desulfurization and dust removal and reduce the pollution of flue gas emission to the environment, a mode of increasing the number of spraying layers or increasing the flow of the desulfurization solution is generally adopted, so that the investment cost and energy consumption of equipment are obviously increased, and the operation cost of plant equipment is increased.
Disclosure of Invention
In view of the above situation, an object of the utility model is to provide a desulfurization dust removal spray set, thereby it adopts the packing layer to set up two-layer or the packing ball combination that two-layer more than sets up circulating line's structure and overcomes the high and big defect of energy consumption of prior art equipment investment cost, and area is little, and equipment manufacture and running cost are low to can ensure the effect that the desulfurization was removed dust, overall structure scientific and reasonable, simple compactness, installation and convenient to use, market prospect is wide, convenient to popularize and use.
In order to achieve the purpose, the desulfurization and dust removal spray device comprises an absorption tower, wherein a first spray layer, a second spray layer, a packing layer, a third spray layer, a fourth spray layer and a demister are sequentially arranged in the absorption tower from bottom to top, a flue gas outlet is formed in the center of the top of the absorption tower, a flue gas inlet is formed in the side wall of the absorption tower below the first spray layer, the packing layer comprises two or more layers of packing balls, and the packing balls are hollow round balls with the diameter size of 60-100 mm; the first layer, the second sprays the layer, the third sprays the layer and the fourth sprays the layer and is connected with the desulfurization liquid pond through conveying pipeline respectively, the bottom of absorption tower is equipped with the liquid outlet and is connected with the collecting pit, the collecting pit is connected with the desulfurization liquid pond through circulating line.
In order to realize the optimization of the structure and the effect, the further measures are as follows: the bottom of the absorption tower is conical, and a liquid outlet is formed in the center of the bottom of the absorption tower.
And a plurality of spray heads are uniformly distributed on the first spray layer, the second spray layer, the third spray layer and the fourth spray layer respectively.
The spray headers on the first spray layer and the second spray layer are arranged in a staggered mode in the vertical longitudinal direction, and the spray headers on the third spray layer and the fourth spray layer are arranged in a staggered mode in the vertical longitudinal direction.
And the bottom and the top of the packing layer are respectively provided with a guide plate and a fairing.
The guide plate and the fairing are both made of 316 stainless steel materials.
The guide plate is provided with a plurality of airflow holes which are uniformly distributed, and the aperture size of each airflow hole is smaller than the diameter size of the packing ball.
Two or more layers of annular flow guide channels are concentrically arranged on the fairing from inside to outside.
The annular flow guide channel is composed of a plurality of radially and annularly and uniformly distributed flow distribution strips.
The first layer, the second sprays the layer, the third sprays the layer and the fourth sprays the delivery pipeline that the layer is connected with the desulfurization liquid pond and is equipped with valve and delivery pump, be equipped with the circulating pump on the circulating line that collecting pit and desulfurization liquid pond are connected.
The utility model discloses compare the produced beneficial effect of prior art:
the utility model (I) adopts the structure that two layers of spraying layers, a packing layer, two layers of spraying layers and a demister are arranged in the absorption tower from bottom to top in order, thereby realizing the integration of dust removal, desulfurization, demisting and other functions, the whole layout of the equipment is scientific and reasonable, simple and compact, the manufacturing cost is low, and the device is very suitable for purifying and using industrial flue gas;
(II) the utility model adopts the structure that the packing layer is provided with two or more layers of packing balls, the desulfurizing liquid sprayed from top to bottom can form a flowing water film on the surface of the packing balls, the collision contact area of the flue gas and the water film on the surface of the packing balls can be increased by arranging two or more layers of packing balls, and the contact area of the flue gas and the desulfurizing liquid is increased, thereby effectively improving the effect of dust removal and desulfurization, and reducing the pollution of the flue gas emission to the environment;
(III) the utility model discloses it is 60 ~ 100 mm's hollow spheroid that diameter size is selected for use to pack the material ball, because the clearance between the adjacent spheroid of this kind of diameter size is appropriate, reach the shaping area that can increase filler ball surface water film, thereby further improve the effect that flue gas desulfurization was removed dust, can ensure the smooth current of flue gas again, if spheroidal diameter size is on the small side then the clearance between the adjacent spheroid is too little, lead to influencing the passing through of flue gas, cause the flue gas to block up, if spheroidal diameter size is too big then the clearance between the adjacent spheroid is too big, thereby it influences desulfurization dust removal effect to lead to the flue gas to pass from the clearance, the clean shot physical stamina plays the heavy effect of subtracting simultaneously, be favorable to the filler ball to spray and move under the dual function of flue gas collision, be favorable to dust and SO in the flue gas2The catalyst is in contact with a water film for full reaction, so that the effects of enhancing mass transfer absorption and improving desulfurization and dust removal are achieved;
(IV) the utility model adopts the collection tank arranged at the bottom of the absorption tower and connected with the desulfurization liquid tank through the circulating pipeline, so as to conveniently carry out concentrated precipitation treatment and recycling on the dust particles and desulfurization reactants collected by the spray liquid, thereby reducing the influence of pollutant discharge on the environment and remarkably reducing the cost of desulfurization and dust removal operation treatment of the equipment;
(V) the utility model discloses a thereby the packing layer sets up two-layer or the structure that the packed ball combines to set up circulation line and overcomes the defect that prior art equipment investment cost is high and the energy consumption is big, and area is little, and equipment preparation and running cost are low, can ensure the effect that the desulfurization was removed dust to reducethe influence of flue gas emission to the environment, overall structure scientific and reasonable, simple compactness, installation and convenient to use have apparent economic benefits and social.
The utility model is widely suitable for the matching use of the flue gas purification operation.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the middle deflector of the present invention.
Fig. 3 is a schematic structural diagram of the middle fairing of the present invention.
In the figure: 1-an absorption tower, 11-a flue gas inlet, 12-a flue gas outlet, 13-a liquid outlet, 2-a first spraying layer, 21-a spraying head, 3-a second spraying layer, 4-a packing layer, 41-a guide plate, 411-an airflow hole, 42-a fairing, 421-a flow dividing strip, 5-a third spraying layer, 6-a fourth spraying layer, 7-a demister, 8-a valve, 9-a conveying pump, 10-a desulfurization liquid pool, 20-a circulating pump and 30-a collecting pool.
Detailed Description
Referring to fig. 1 to 3, the present invention is realized as follows: a desulfurization and dust removal spray tower comprises an absorption tower 1, wherein a first spray layer 2, a second spray layer 3, a packing layer 4, a third spray layer 5, a fourth spray layer 6 and a demister 7 are sequentially arranged in the absorption tower 1 from bottom to top, a flue gas outlet 12 is formed in the center of the top of the absorption tower 1, a flue gas inlet 11 is formed in the side wall of the absorption tower 1 below the first spray layer 2, the packing layer 4 comprises two or more layers of packing balls, and the packing balls are hollow round balls and have the diameter size of 60-100 mm; the first spraying layer 2, the second spraying layer 3, the third spraying layer 5 and the fourth spraying layer 6 are respectively communicated with the desulfurization solution through a conveying pipelineThe tank 10 is connected, a liquid outlet 13 arranged at the bottom of the absorption tower 1 is connected with a collecting tank 30, and the collecting tank 30 is connected with the desulfurization liquid tank 10 through a circulating pipeline; the packing ball is preferably polypropylene pp packing ball, when the desulfurizing liquid sprayed from top to bottom forms a flowing water film on the surface of the packing ball, the dust and SO in the flue gas2The particles collide with the continuously turbulent filler balls to make dust and SO in the flue gas2The catalyst is in contact with a water film for full reaction, so that the effects of enhancing mass transfer absorption and improving desulfurization and dust removal are achieved; the demister 7 is preferably a baffle demister.
Referring to fig. 1, in the absorption tower 1 of the present invention, the bottom end is tapered and the liquid outlet 13 is disposed at the center of the bottom, so that dust particles and desulfurization reactants captured by the spray liquid can be discharged from the liquid outlet 13 for precipitation and reuse; a plurality of spray heads 21 are respectively and uniformly distributed on the first spray layer 2, the second spray layer 3, the third spray layer 5 and the fourth spray layer 6, the spray heads 21 on the first spray layer 2 and the second spray layer 3 are arranged in a staggered manner in the vertical longitudinal direction, the spray heads 21 on the third spray layer 5 and the fourth spray layer 6 are arranged in a staggered manner in the vertical longitudinal direction, and spray liquid can be uniformly sprayed downwards by adopting the structure, so that the flue gas can be ensured to be in full contact reaction with the spray liquid; a valve 8 and a delivery pump 9 are arranged on delivery pipelines connected with the first spraying layer 2, the second spraying layer 3, the third spraying layer 5 and the fourth spraying layer 6 and the desulfurization liquid pool 10, the desulfurization liquid can be automatically and continuously delivered to each spraying layer respectively through the delivery pump 9, and the valve 8 is used for controlling the delivery and closing of the desulfurization liquid; the circulating pipeline that collecting pit 30 and desulfurization liquid pond 10 are connected is equipped with circulating pump 20 on, after settling treatment a period to the desulfurization dust removal reactant in collecting pit 30, can carry the supernatant fluid of upper strata in collecting pit 30 to desulfurization liquid pond 10 through circulating pump 20 and be used for preparing the desulfurization liquid, realizes circulation used repeatedly, reaches emission reduction and consumption reduction's purpose, greatly reduces equipment running cost.
As shown in fig. 1 to 3, the bottom and the top of the packing layer 4 of the present invention are respectively provided with a guide plate 41 and a fairing 42, the guide plate 41 is provided with a plurality of airflow holes 411 which are uniformly distributed, and the aperture size of the airflow holes 411 is smaller than the diameter size of the packing balls, so that the packing balls can be prevented from leaking out of the airflow holes 411, and therefore, the guide plate 41 can be used for supporting the packing balls, and can also be used for guiding and shunting the flue gas, so that the flue gas is uniformly dispersed on the whole cross section of the absorption tower body, and the blockage of the flue gas is avoided; the fairing 42 is concentrically provided with two or more layers of annular flow guide channels from inside to outside, each annular flow guide channel is composed of a plurality of radially and annularly and uniformly distributed flow distribution strips 421, the distance between every two adjacent flow distribution strips 421 in each layer needs to be smaller than the diameter of the filler balls, the structure is favorable for guiding and distributing the flue gas subjected to desulfurization and dust removal treatment by the fairing 42, so that the flue gas uniformly disperses and flows upwards, the backflow of the flue gas can be avoided, and meanwhile, the fairing 42 can prevent the filler balls from separating from the range of the filler layer 4; the guide plate 41 and the fairing 42 are both made of 316 stainless steel materials, and molybdenum is added into the 316 stainless steel, so that the air corrosion resistance and the high temperature resistance of the 316 stainless steel are particularly good, the 316 stainless steel can be used under harsh conditions, and the machining hardenability (non-magnetism) is excellent, so that the 316 stainless steel is very suitable for desulfurization and dust removal.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A desulfurization dust removal spray device is characterized by comprising an absorption tower (1), wherein a first spray layer (2), a second spray layer (3), a packing layer (4), a third spray layer (5), a fourth spray layer (6) and a demister (7) are sequentially arranged in the absorption tower (1) from bottom to top, a flue gas outlet (12) is formed in the center of the top of the absorption tower (1), a flue gas inlet (11) is formed in the side wall of the absorption tower (1) below the first spray layer (2), the packing layer (4) comprises two or more layers of packing balls, and the packing balls are hollow balls with the diameter size of 60-100 mm; the first layer (2), the second spray layer (3), the third spray layer (5) and the fourth spray layer (6) are connected with the desulfurization liquid pool (10) through conveying pipelines respectively, the bottom of the absorption tower (1) is provided with a liquid outlet (13) and is connected with a collecting pool (30), and the collecting pool (30) is connected with the desulfurization liquid pool (10) through a circulating pipeline.
2. The desulfurization dust-removal spray device according to claim 1, characterized in that the bottom end of the absorption tower (1) is conical and the center of the bottom thereof is provided with a liquid outlet (13).
3. The desulfurization dust-removing spray device according to claim 1, characterized in that a plurality of spray headers (21) are uniformly distributed on the first spray layer (2), the second spray layer (3), the third spray layer (5) and the fourth spray layer (6), respectively.
4. The desulfurization dust-removing spray device according to claim 3, characterized in that the spray headers (21) on the first spray layer (2) and the second spray layer (3) are arranged in a staggered manner in the vertical longitudinal direction, and the spray headers (21) on the third spray layer (5) and the fourth spray layer (6) are arranged in a staggered manner in the vertical longitudinal direction.
5. The desulfurization dust-removal spray device according to claim 1, characterized in that the bottom and the top of the packing layer (4) are respectively provided with a guide plate (41) and a fairing (42).
6. The desulfurization dust removal spray set of claim 5, characterized in that said deflector (41) and cowling (42) are both made of 316 stainless steel material.
7. The desulfurization dust-removal spray set according to claim 5, characterized in that said guide plate (41) is provided with a plurality of uniformly distributed gas flow holes (411), and the pore size of the gas flow holes (411) is smaller than the diameter size of the packing balls.
8. The desulfurization dust removal spray set of claim 5, characterized in that two or more layers of annular flow guide channels are concentrically arranged on said cowling (42) from inside to outside.
9. The desulfurization dust-removing spray set according to claim 8, characterized in that said annular flow guide channel is composed of a plurality of radially and annularly uniformly distributed flow distribution strips (421).
10. The desulfurization dust-removal spray device according to any one of claims 1 to 9, characterized in that a valve (8) and a delivery pump (9) are arranged on a delivery pipeline of the first spray layer (2), the second spray layer (3), the third spray layer (5) and the fourth spray layer (6) connected with the desulfurization liquid tank (10), and a circulation pipeline of the collection tank (30) connected with the desulfurization liquid tank (10) is provided with a circulation pump (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482735.0U CN209901023U (en) | 2019-04-11 | 2019-04-11 | Desulfurization dust removal spray set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482735.0U CN209901023U (en) | 2019-04-11 | 2019-04-11 | Desulfurization dust removal spray set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209901023U true CN209901023U (en) | 2020-01-07 |
Family
ID=69035818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920482735.0U Active CN209901023U (en) | 2019-04-11 | 2019-04-11 | Desulfurization dust removal spray set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209901023U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760405A (en) * | 2020-06-24 | 2020-10-13 | 山东神华山大能源环境有限公司 | Composite purification device and purification process suitable for dusty gas |
| CN113134294A (en) * | 2020-01-16 | 2021-07-20 | 浙江大鱼造纸有限公司 | Spray tower for treating exhaust odor of paper machine steam hood |
| CN114950091A (en) * | 2022-05-31 | 2022-08-30 | 山东国舜建设集团有限公司 | Wet desulphurization collaborative dust removal device, system and method |
-
2019
- 2019-04-11 CN CN201920482735.0U patent/CN209901023U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134294A (en) * | 2020-01-16 | 2021-07-20 | 浙江大鱼造纸有限公司 | Spray tower for treating exhaust odor of paper machine steam hood |
| CN111760405A (en) * | 2020-06-24 | 2020-10-13 | 山东神华山大能源环境有限公司 | Composite purification device and purification process suitable for dusty gas |
| CN114950091A (en) * | 2022-05-31 | 2022-08-30 | 山东国舜建设集团有限公司 | Wet desulphurization collaborative dust removal device, system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209901023U (en) | Desulfurization dust removal spray set | |
| CN105233605B (en) | Boiler smoke dedusting and purifying device | |
| CN102172468B (en) | Three-pass dedusting devulcanizer | |
| CN205055807U (en) | Coke oven low -sulfur tail gas desulfurization dust collector | |
| CN205412644U (en) | Painting workshop waste gas treatment system | |
| CN108671723B (en) | Ultrasonic synchronous desulfurization and dust removal integrated device | |
| CN104958999B (en) | A kind of minimum discharge absorption tower | |
| CN204768168U (en) | Minimum discharge absorption tower | |
| CN205435339U (en) | Multilayer level dust fall waste gas scrubbing tower | |
| CN210332241U (en) | Desulfurization dust removal spray column | |
| CN207153459U (en) | A kind of acid fog absorption tower | |
| CN202006073U (en) | Tail gas spraying dust removal tower | |
| CN201085987Y (en) | Bidirectional absorption column | |
| CN103990369A (en) | Turbulence aeration tower | |
| CN107126818A (en) | A kind of nanometer dust absorption treating device and method | |
| CN207745699U (en) | A kind of efficient desulfurizing tower | |
| CN206700988U (en) | A kind of New type wet cleaner | |
| CN109482050A (en) | A kind of moving bed flue gas purification device | |
| CN208229612U (en) | A kind of organic exhaust gas type absorption purification tower | |
| CN208465601U (en) | A kind of desulfurizing tower | |
| CN201912880U (en) | Layered liquid supply type desulphurization dust remover | |
| CN202700299U (en) | Water film dust-removing and benzene-removing device | |
| CN208032246U (en) | A kind of integrated absorption tower | |
| CN217163801U (en) | Absorption tower for waste gas treatment | |
| CN220176512U (en) | Industrial waste gas washing spray set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |