CN110585881B - Flue gas desulfurization device - Google Patents
Flue gas desulfurization device Download PDFInfo
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- CN110585881B CN110585881B CN201910974181.0A CN201910974181A CN110585881B CN 110585881 B CN110585881 B CN 110585881B CN 201910974181 A CN201910974181 A CN 201910974181A CN 110585881 B CN110585881 B CN 110585881B
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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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
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Abstract
The invention discloses a flue gas desulfurization device, which comprises: the flue gas desulfurization device comprises a desulfurization tower body, a wet type filtering component arranged in the desulfurization tower body, a spraying component used for supplying absorption liquid into the desulfurization tower body, and a gas distribution component used for conveying flue gas to be treated into the desulfurization tower body; the wet filter assembly comprises a plurality of box-type filters which are arranged in a stacked manner along the height direction of the desulfurizing tower body, wherein the box-type filters are in an inverted trapezoid shape, cavities in the inverted trapezoid shape are formed in the box-type filters, and the box-type filters are provided with densely arranged micropore structures penetrating through the body of the box-type filters so as to allow flue gas to pass through. According to the flue gas desulfurization device, the box-type filter is arranged, so that the flue gas can be fully contacted with the absorption liquid, the desulfurization effect of the flue gas is effectively improved, on the other hand, spiral ascending air flow is formed through the air distribution assembly, the desulfurization effect can be further improved, and the desulfurization efficiency is improved.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a flue gas desulfurization device.
Background
With the development of economy and social progress in China, environmental protection problems are increasingly serious, and the problem of acid rain is an important problem for national control, and the main component of the acid rain is sulfur dioxide. A large amount of SO exists in the flue gas of the power plant, the flue gas of the coke oven, the flue gas of the boiler and the flue gas of the steel plant 2 、SO 3 Therefore, the flue gas needs to be desulfurized, and currently adopted desulfurization processes mainly comprise a dry process and a wet process.
The wet process has the advantages of high reaction speed, high efficiency, high utilization rate of desulfurization additives, common application, and usually uses slurry such as calcium hydroxide as an absorption liquid and sprays the slurry in countercurrent with gas to absorb sulfur-containing substances in flue gas, mainly SO 2 、SO 3 . Whether the contact of the absorption liquid and the flue gas fully affects the desulfurization effect is great, but in the prior art, the problem that the contact of the absorption liquid and the flue gas is insufficient is caused by simple spraying, and the problems that the desulfurization effect of the flue gas is insufficient or the consumption of the absorption liquid is excessive and the like are easily caused. Therefore, a more reliable solution is now needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a flue gas desulfurization device aiming at the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: a flue gas desulfurization apparatus comprising: the flue gas desulfurization device comprises a desulfurization tower body, a wet type filtering component arranged in the desulfurization tower body, a spraying component used for supplying absorption liquid into the desulfurization tower body, and a gas distribution component used for conveying flue gas to be treated into the desulfurization tower body;
the wet filter assembly comprises a plurality of box-type filters which are stacked along the height direction of the desulfurizing tower body, wherein the box-type filters are in an inverted trapezoid shape, cavities in the inverted trapezoid shape are formed in the box-type filters, and the box-type filters are provided with densely arranged micropore structures penetrating through the body of the box-type filters for flue gas to pass through;
the gas distribution assembly comprises a gas inlet pipe, a first gas distribution pipe, a second gas distribution pipe, a transfer pipe head, a cone gas distribution pipe and a liquid guide box, wherein the first gas distribution pipe and the second gas distribution pipe are communicated with the gas inlet pipe; a plurality of liquid outlet holes are formed in the bottom of the liquid guide box.
Preferably, the lower end of the adapter tube head is communicated with the inside of the liquid guide box through a necking tube.
Preferably, the second gas distribution pipe is provided with a liquid blocking pipe section, and the liquid blocking pipe section is an upward-protruding inverted V-shaped pipe section arranged in the middle of the second gas distribution pipe.
Preferably, the lower circular opening of the cone air distribution tube is smaller than the upper circular opening thereof, the outlet end of the first air distribution tube is communicated to the side part of the upper circular opening of the cone air distribution tube, and the outlet end of the first air distribution tube is arranged along the tangential direction of the periphery of the upper circular opening.
Preferably, the top of the box-type filter is provided with an edge protruding towards the periphery, a plurality of liquid inlets are formed in the edge from the upper surface to the inside, a plurality of liquid guide tanks are formed in the surfaces of the 4 inner side walls of the box-type filter, and the liquid inlet ends of the liquid guide tanks are communicated with the liquid inlets.
Preferably, the liquid guide groove comprises a liquid distribution groove section and a drainage groove section, the liquid distribution groove section is of a tree-shaped bifurcation structure, a liquid inlet end at the upper part of the liquid distribution groove section is communicated with the liquid inlet hole, a plurality of branches are formed by tree-shaped bifurcation at the lower part of the liquid distribution groove section, and a liquid outlet end of the branches is communicated with the drainage groove section.
Preferably, an installation block for overlapping the edge of the box-type filter is fixedly connected to the inner side wall of the desulfurizing tower body, a positioning column is arranged on the installation block, and a first threaded hole which is communicated is formed in the positioning column and the installation block;
the bottom surface of the border of box filter has offered supplies reference column cooperation male locating hole, the border has been seted up downwards by its upper surface and has been run through to the second screw hole of locating hole, the border overlap joint is in after on the installation piece, through wearing in proper order establish the screw fixation of second screw hole and first screw hole.
Preferably, the spray assembly comprises a perfusion tube, a spray header which is communicated with the perfusion tube and arranged above the wet-type filter assembly, a plurality of liquid distribution pipes which are communicated with the perfusion tube, and a dripper which is connected with the outlet end of the liquid distribution pipes, wherein one dripper is correspondingly arranged above each liquid inlet hole of the box-type filter.
Preferably, the bottom surface of the desulfurizing tower body is an inclined surface, a waste liquid outlet is formed in the lowest position of the inclined surface, and a waste liquid pipe is communicated with the waste liquid outlet.
Preferably, the top of the desulfurizing tower body is provided with an exhaust port, the exhaust port is communicated with an exhaust pipe, and the exhaust pipe is also provided with a demister.
The beneficial effects of the invention are as follows:
according to the flue gas desulfurization device, the box-type filter is arranged to ensure the full contact between the flue gas and the absorption liquid, so that the desulfurization effect of the flue gas is effectively improved, on the other hand, spiral ascending air flow is formed through the air distribution assembly, the desulfurization effect can be further improved, and the desulfurization efficiency is improved;
according to the invention, the box-type filter is used as a carrier of absorption liquid, on one hand, a plurality of absorption liquid runoffs can be formed on the four side walls of the box-type filter, so that the side wall bodies of the box-type filter are filled with the absorption liquid, and when flue gas enters from the side part to pass through, the absorption effect on sulfur-containing substances in the flue gas is ensured; on the other hand, a thin water curtain can be formed at the bottom of the box-type filter, when flue gas enters from the lower direction, the flue gas passes through the water curtain, and the flue gas fully contacts with the absorption liquid to absorb sulfur-containing substances, so that the utilization rate of the absorption liquid can be improved, and the consumption of the absorption liquid can be reduced;
according to the invention, by arranging the gas distribution assembly, two gas flows in the vertical upward and lateral directions are introduced, and spiral ascending flue gas flows are formed in the desulfurizing tower, so that on one hand, the collision contact probability and strength of the flue gas with falling absorption liquid in the ascending process of the flue gas can be greatly improved, and the absorption effect of the absorption liquid on sulfur-containing substances in the flue gas is improved; on the other hand, the device can be matched with the inverted trapezoid body-shaped structure of the box-type filter, and the gas flow direction of the spiral ascending is adopted, so that the smoke can pass through the bottom of the box-type filter only, and a large amount of smoke can pass through the four side walls of the box-type filter, thereby greatly improving the smoke treatment efficiency and the flow rate of the smoke; and four side walls of the box-type filter are filled with absorption liquid, and flue gas fully contacts with the absorption liquid after passing through the box-type filter, so that the desulfurization effect of the flue gas is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a flue gas desulfurization apparatus according to the present invention;
FIG. 2 is a schematic view of the cartridge filter of the present invention;
FIG. 3 is a schematic cross-sectional view of a cartridge filter of the present invention;
FIG. 4 is a schematic view of a partial enlarged structure at the edge in FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view showing the structure of the installation block in the desulfurizing tower of the present invention;
FIG. 6 is a schematic view of the structure of the invention with the edge mounted in cooperation with the mounting block;
FIG. 7 is a schematic view of a gas distribution assembly according to the present invention;
fig. 8 is a schematic structural view of the first air distribution pipe and the cone air distribution pipe of the present invention.
Reference numerals illustrate:
1-a desulfurizing tower body; 10-mounting blocks; 11-positioning columns; 12-a first threaded hole; 13-inclined plane; 14-a waste liquid outlet; 15-a waste liquid pipe; 16-an exhaust port; 17-an exhaust pipe; 18-a demister; 19-a screw;
2-a wet filtration assembly; 20-a cartridge filter; 21-a cavity; 22-edge; 23-liquid inlet hole; 24-a liquid guiding groove; 25-a liquid distribution groove section; 26-a drainage groove section; 27-tributary; 28-positioning holes; 29-a second threaded hole;
3-a spray assembly; 30-an infusion tube; 31-a spray header; 32, a liquid distribution pipe;
4-an air distribution assembly; 40, an air inlet pipe; 41-a first gas distribution pipe; 42-a second air distribution pipe; 43-adaptor tube head; 44-cone air distribution cylinder; 45-a liquid guide box; 46-reducing pipe; 47-inverted V-section; 48—a first solenoid valve; 49-a second solenoid valve; 440-lower circular opening; 441-upper circular opening.
Detailed Description
The present invention is described in further detail below with reference to examples to enable those skilled in the art to practice the same by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1
As shown in fig. 1, a flue gas desulfurization apparatus of the present embodiment includes: the flue gas desulfurization device comprises a desulfurization tower body 1, a wet type filtering component 2 arranged in the desulfurization tower body 1, a spraying component 3 used for supplying absorption liquid into the desulfurization tower body 1 and a gas distribution component 4 used for conveying flue gas to be treated into the desulfurization tower body 1;
the wet filter assembly 2 comprises a plurality of box-type filters 20 which are stacked along the height direction of the desulfurizing tower body 1, wherein the box-type filters 20 are in an inverted trapezoid shape, a cavity 21 in the shape of an inverted trapezoid is formed in the box-type filters, and the box-type filters 20 are provided with densely arranged micropore structures penetrating the body of the box-type filters for flue gas to pass through;
the air distribution assembly 4 comprises an air inlet pipe 40, a first air distribution pipe 41 and a second air distribution pipe 42 which are communicated with the air inlet pipe 40, a transfer pipe head 43 communicated with the air outlet end of the second air distribution pipe 42, a cone air distribution pipe 44 communicated with the upper end of the transfer pipe head 43, and a liquid guide box 45 communicated with the lower end of the transfer pipe head 43; a plurality of liquid outlet holes are formed in the bottom of the liquid guide box 45.
Wherein, the top of desulfurizing tower body 1 is provided with gas vent 16, communicates on the gas vent 16 has blast pipe 17. In a further preferred embodiment, a mist eliminator 18 is also provided on the exhaust pipe 17.
Wherein, the bottom surface of desulfurizing tower body 1 is inclined plane 13, and waste liquid outlet 14 is seted up to the lowest of inclined plane 13, and the last waste liquid pipe 15 that communicates of waste liquid outlet 14.
The flue gas desulfurization device is arranged at the outlet end of the flue gas exhaust system and is used for desulfurizing the flue gas, such as power plant flue gas, coke oven flue gas, boiler flue gas, steel plant flue gas and the like, so as to remove sulfides in the flue gas. The flue gas enters the desulfurizing tower body 1 (which can be blown in by a fan) from the air inlet pipe 40, and sequentially passes through the box-type filters 20 from bottom to top, the absorption liquid introduced by the spray assembly 3 flows from top to bottom and is in countercurrent collision contact with the flue gas, the box-type filters 20 are filled with the absorption liquid, and the flue gas is fully contacted with the absorption liquid when passing through the box-type filters 20, SO that sulfur-containing substances such as SO in the flue gas are absorbed through the absorption liquid 2 、SO 3 For example, calcium hydroxide slurry may be selected as the absorption liquid in this example. On the other hand, the box-type filter 20 body is made of fibers with anti-corrosion performance, and has a dense micropore structure, so that the smoke can pass through the box-type filter, the smoke can be adsorbed and filtered to a certain extent, and the treatment effect of the smoke can be improved. The flue gas treated by the desulfurizing tower body 1 is discharged from the exhaust port 16, and then discharged after moisture is removed by the demister 18. In one embodiment, the cartridge filter 20 body may be made of carbon fiber in a porous structure, i.e., having good corrosion resistance and high mechanical strength.
Example 2
In the embodiment 1, referring to fig. 7-8, the lower end of the adapter tube 43 is communicated with the inside of the liquid guiding box 45 through a necking tube 46. The second air distribution pipe 42 is provided with a liquid blocking pipe section which is an upward-protruding inverted V-shaped pipe section 47 arranged in the middle of the second air distribution pipe 42. The lower circular opening 440 of the cone air tube 44 is smaller than the upper circular opening 441 thereof, the outlet end of the first air tube 41 is connected to the side of the upper circular opening 441 of the cone air tube 44, and the outlet end of the first air tube 41 is disposed in the tangential direction of the outer circumference of the upper circular opening 441.
The top of the box-type filter 20 is provided with a rim 22 protruding towards the periphery, a plurality of liquid inlets 23 are formed in the rim 22 from the upper surface to the inside, a plurality of liquid guide grooves 24 are formed in the surfaces of the 4 inner side walls of the box-type filter 20, and the liquid inlet ends of the liquid guide grooves 24 are communicated with the liquid inlets 23.
Part of the flue gas entering the desulfurizing tower body 1 is communicated to the lower part of the cone air distribution cylinder 44 through the second air distribution pipe 42 so as to flow upwards, and the other part of the flue gas is communicated to the upper side of the cone air distribution cylinder 44 through the first air distribution pipe 41 and is arranged along the tangential direction of the periphery of the upper circular opening 441, the air flow direction is one circular direction in the horizontal plane, and after two air flows are converged, the whole air inlet direction is spirally rising in the desulfurizing tower body 1. On one hand, the collision contact probability and strength of the absorption liquid falling in the rising process of the flue gas can be greatly improved, and the absorption effect of the absorption liquid on sulfur-containing substances in the flue gas is improved; on the other hand, the spiral-rising airflow direction can be matched with the inverted trapezoid structure of the box-type filter 20, so that the smoke can pass through not only the bottom of the box-type filter 20, but also a large amount of smoke can pass through four side walls of the box-type filter 20, thereby greatly improving the smoke treatment efficiency and the flow rate of the smoke; and four side walls of the box-type filter 20 are filled with the absorption liquid, and the flue gas is fully contacted with the absorption liquid after passing through, so that the desulfurization effect of the flue gas is greatly improved. Further, the first air distribution pipe 41 and the second air distribution pipe 42 are respectively provided with a first electromagnetic valve 48 and a second electromagnetic valve 49, and the air inflow of the two air distribution pipes can be controlled through the electromagnetic valves.
Wherein, the absorption liquid flows down along the side wall of the cone air distribution cylinder 44 and enters the liquid guide box 45, and the absorption liquid and the ascending air flow are in reverse contact in the process, but the absorption liquid does not influence the smooth entering of the flue gas.
The cone gas cylinder 44 is provided to uniformly guide the gas introduced under the bottom-most cassette filter 20 in the desulfurizing tower body 1 so as to guide the gas rising from the lower circular opening 440 to form a spiral gas flow with the gas introduced from the side first gas cylinder 41. The fallen absorption liquid enters the liquid guide box 45 after passing through the cone air distribution cylinder 44 and the adapter tube head 43, and is discharged from the liquid outlet hole at the bottom of the liquid guide box 45, and finally can be discharged from the waste liquid outlet 14 at the bottom of the desulfurizing tower body 1. At the circular opening 440 of the lower part of the adapter tube head 43 and the cone air distribution cylinder 44, the flue gas entering from the bottom is primarily contacted with the falling absorption liquid, so that the flue gas can be primarily treated. The arrangement of the necking pipe 46 at the lower part of the adapter tube head 43 can greatly reduce the direct downward flow of the flue gas entering the second gas distribution pipe 42 to the liquid guide box 45. In addition, since the liquid outlet at the bottom of the liquid guiding box 45 is continuously filled with the absorption liquid and flows out, and the necking pipe 46 is arranged at the lower part of the adapter tube head 43, and the upper part of the adapter tube head 43 is opened, the flue gas entering from the second gas distribution pipe 42 basically flows upwards and enters the box-type filter 20. Wherein, through setting up the bellied V type pipeline section 47 that falls upward at second gas distribution pipe 42 middle part, can prevent that the absorption liquid that gets into adapter tube head 43 from splashing into second gas distribution pipe 42 after, to the air inlet direction flow of second gas distribution pipe 42, can effectively prevent the absorption liquid entering the air inlet section of second gas distribution pipe 42 to avoid influencing the input of flue gas.
Example 3
In this embodiment, based on embodiment 2, referring to fig. 2-6, the liquid guiding groove 24 includes a liquid distributing groove section 25 and a drainage groove section 26, the liquid distributing groove section 25 is in a tree-shaped bifurcation structure, a liquid inlet end at an upper part of the liquid distributing groove section is communicated with the liquid inlet hole 23, a plurality of branches 27 are formed by tree-shaped bifurcation at a lower part of the liquid distributing groove section, and a liquid outlet end of the branches 27 is communicated with the drainage groove section 26. The spray assembly 3 comprises a liquid delivery pipe 30, a spray header 31 which is communicated with the liquid delivery pipe 30 and is arranged above the wet type filter assembly 2, a plurality of liquid distribution pipes 32 which are communicated with the liquid delivery pipe 30, and drippers which are connected to the outlet ends of the liquid distribution pipes 32, wherein one dripper is correspondingly arranged above the liquid inlet 23 of each box type filter 20. By providing drippers (not shown in the figure), the absorption liquid is continuously dripped into the liquid inlet holes 23 during the desulfurization process, so that the absorption liquid is fully absorbed in the box-type filter 20.
The absorption liquid is conveyed to the infusion tube 30 by a pump, and part of the absorption liquid enters the spray header 31 to spray the absorption liquid from top to bottom so as to contact with the flue gas and absorb sulfur-containing substances; the other part is dripped into the liquid inlet hole 23 of the box filter 20 through the liquid distribution pipe 32 and the dripper, so that the box filter 20 is filled with absorption liquid, and the flue gas is fully contacted with the absorption liquid when passing through the box filter 20, so that sulfur-containing substances are removed. After the absorption liquid dropped by the dripper falls into the liquid inlet hole 23, the absorption liquid is distributed to each drainage groove communicated with the liquid distribution groove through the liquid distribution groove section 25 of the tree-shaped bifurcation structure, finally flows to the bottom of the box-type filter 20, and flows downwards from micropores at the bottom of the box-type filter 20. On one hand, a plurality of absorption liquid runoffs can be formed on the four side walls of the box-type filter 20, so that the side wall body of the box-type filter 20 is full of absorption liquid, and when flue gas enters from the side part to pass through, the absorption effect on sulfur-containing substances in the flue gas is ensured; on the other hand, a thin water curtain can be formed at the bottom of the cassette filter 20, and when the flue gas enters from the bottom to the top, the flue gas passes through the water curtain, and the flue gas fully contacts with the absorption liquid to absorb sulfur-containing substances. The cassette filter 20 itself has a porous structure and also has a certain filtering effect on the smoke. Through the arrangement of the structure, the box-type filter 20 is used as a carrier of the absorption liquid, so that the contact probability and contact time of the flue gas and the absorption liquid can be greatly improved, the absorption liquid is ensured to fully absorb sulfur-containing substances in the flue gas, the desulfurization effect is improved, the utilization rate of the absorption liquid is improved, and the consumption of the absorption liquid is reduced.
In a further embodiment, the inner side wall of the desulfurizing tower body 1 is fixedly connected with a mounting block 10 which is overlapped with the edge 22 of the box-type filter 20, the mounting block 10 is provided with a positioning column 11, and the positioning column 11 and the mounting block 10 are provided with a first threaded hole 12 which is communicated with each other; the bottom surface of the edge 22 of the box-type filter 20 is provided with a positioning hole 28 for the positioning column 11 to be matched and inserted, the upper surface of the edge 22 is downwards provided with a second threaded hole 29 penetrating through the positioning hole 28, and after the edge 22 is lapped on the mounting block 10, the edge 22 is fixed by a screw 19 penetrating through the second threaded hole 29 and the first threaded hole 12 in sequence. The positioning column 11 is matched with the positioning hole 28, so that positioning during installation is facilitated, and the installation of the cartridge filter 20 in the desulfurizing tower body 1 is facilitated by arranging the installation block 10 overlapped with the edge 22. In one embodiment, the top of the desulfurizing tower 1 is provided with an upper cover, which is initially opened, and the cartridge filter 20 is mounted on the mounting block 10 and fixed by screws 19. In the above embodiment, the desulfurizing tower body 1 and each component provided therein are made of conventional corrosion-resistant materials, or a corrosion-resistant film layer is provided on the surface of the component, so as to improve the service life.
Although embodiments of the present invention have been disclosed above, it is not limited to the use of the description and embodiments, it is well suited to various fields of use for the invention, and further modifications may be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the particular details without departing from the general concepts defined in the claims and the equivalents thereof.
Claims (6)
1. A flue gas desulfurization apparatus, comprising: the flue gas desulfurization device comprises a desulfurization tower body, a wet type filtering component arranged in the desulfurization tower body, a spraying component used for supplying absorption liquid into the desulfurization tower body, and a gas distribution component used for conveying flue gas to be treated into the desulfurization tower body;
the wet filter assembly comprises a plurality of box-type filters which are stacked along the height direction of the desulfurizing tower body, wherein the box-type filters are in an inverted trapezoid shape, cavities in the inverted trapezoid shape are formed in the box-type filters, and the box-type filters are provided with densely arranged micropore structures penetrating through the body of the box-type filters for flue gas to pass through;
the gas distribution assembly comprises a gas inlet pipe, a first gas distribution pipe, a second gas distribution pipe, a transfer pipe head, a cone gas distribution pipe and a liquid guide box, wherein the first gas distribution pipe and the second gas distribution pipe are communicated with the gas inlet pipe; the bottom of the liquid guide box is provided with a plurality of liquid outlet holes;
the lower circular opening of the cone air distribution cylinder is smaller than the upper circular opening of the cone air distribution cylinder, the outlet end of the first air distribution cylinder is communicated to the side part of the upper circular opening of the cone air distribution cylinder, and the outlet end of the first air distribution cylinder is arranged along the tangential direction of the periphery of the upper circular opening;
the top of the box-type filter is provided with an edge protruding towards the periphery, a plurality of liquid inlets are formed in the edge from the upper surface to the inside, a plurality of liquid guide tanks are formed in the surfaces of the 4 inner side walls of the box-type filter, and the liquid inlet ends of the liquid guide tanks are communicated with the liquid inlets; the liquid guide groove comprises a liquid distribution groove section and a drainage groove section, the liquid distribution groove section is of a tree-shaped bifurcation structure, a liquid inlet end at the upper part of the liquid distribution groove section is communicated with the liquid inlet hole, a plurality of branches are formed by tree-shaped bifurcation at the lower part of the liquid distribution groove section, and a liquid outlet end of each branch is communicated with one drainage groove section; the spray assembly comprises a perfusion tube, a spray header, a plurality of liquid distribution pipes and a dripper, wherein the spray header is communicated with the perfusion tube and arranged above the wet-type filter assembly, the liquid distribution pipes are communicated with the perfusion tube, the dripper is connected to the outlet end of the liquid distribution pipe, and one dripper is correspondingly arranged above the liquid inlet hole of each box-type filter.
2. The flue gas desulfurization device according to claim 1, wherein the lower end of the adapter tube head is communicated with the inside of the liquid guide box through a necking tube.
3. The flue gas desulfurization device according to claim 2, wherein the second gas distribution pipe is provided with a liquid blocking pipe section, and the liquid blocking pipe section is an upward-protruding inverted-V-shaped pipe section arranged in the middle of the second gas distribution pipe.
4. The flue gas desulfurization device according to claim 3, wherein a mounting block for overlapping the edge of the box-type filter is fixedly connected to the inner side wall of the desulfurization tower body, a positioning column is arranged on the mounting block, and a first threaded hole which is communicated is formed in the positioning column and the mounting block;
the bottom surface of the border of box filter has offered supplies reference column cooperation male locating hole, the border has been seted up downwards by its upper surface and has been run through to the second screw hole of locating hole, the border overlap joint is in after on the installation piece, through wearing in proper order establish the screw fixation of second screw hole and first screw hole.
5. The flue gas desulfurization device according to claim 1, wherein the bottom surface of the desulfurization tower body is an inclined surface, a waste liquid outlet is formed in the lowest position of the inclined surface, and a waste liquid pipe is communicated with the waste liquid outlet.
6. The flue gas desulfurization device according to claim 1, wherein an exhaust port is arranged at the top of the desulfurization tower body, an exhaust pipe is communicated with the exhaust port, and a demister is further arranged on the exhaust pipe.
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| CN201910974181.0A CN110585881B (en) | 2019-10-14 | 2019-10-14 | Flue gas desulfurization device |
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| CN201910974181.0A CN110585881B (en) | 2019-10-14 | 2019-10-14 | Flue gas desulfurization device |
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| CN110585881B true CN110585881B (en) | 2023-09-26 |
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| CN105727719A (en) * | 2016-04-13 | 2016-07-06 | 中冶焦耐工程技术有限公司 | Rotary spray absorption and purification desulfurization tower for medium-low temperature flue gas and work method of desulfurization tower |
| CN106563326A (en) * | 2016-11-07 | 2017-04-19 | 班明华 | Water curtain dust remover |
| CN206414960U (en) * | 2017-01-04 | 2017-08-18 | 浙江友通环境科技有限公司 | Waste gas purification tower with swirling flow plate |
| CN210993716U (en) * | 2019-10-14 | 2020-07-14 | 苏州仕净环保科技股份有限公司 | Flue gas desulfurization device |
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Address after: 215137 No. 58, Jinrui Road, Taiping Street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: Suzhou Shijing Technology Co.,Ltd. Address before: 215137 4th floor, 82 Jincheng Road, Taiping Street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant before: SUZHOU SHIJING ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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