CN110787544A - Semi-dry desulfurization and denitrification device bag-type dust collector - Google Patents
Semi-dry desulfurization and denitrification device bag-type dust collector Download PDFInfo
- Publication number
- CN110787544A CN110787544A CN201911082317.3A CN201911082317A CN110787544A CN 110787544 A CN110787544 A CN 110787544A CN 201911082317 A CN201911082317 A CN 201911082317A CN 110787544 A CN110787544 A CN 110787544A
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- Prior art keywords
- absorption tower
- semi
- dry desulfurization
- fixedly connected
- cloth bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- 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
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
Abstract
The invention discloses a cloth bag dust remover of a semi-dry desulfurization and denitrification device in the technical field of desulfurization and denitrification devices, which comprises an absorption tower and a dust removal box, wherein the lower end of the absorption tower is communicated with an air inlet pipe, two groups of spray pipes are arranged in the absorption tower, the upper end of the absorption tower is connected in the dust removal box through an air guide pipe, a blowing plate is arranged in the dust removal box, a plurality of groups of cloth bag dust removers are arranged at the lower end of the blowing plate, the upper end of the blowing plate is hinged with a connecting rod through a hinged piece, the upper end of the connecting rod is hinged at a cam boss, the flow direction of waste gas can be changed through the arc plate, meanwhile, the flow time of the waste gas in the absorption tower is prolonged, the waste gas fully reacts with a solution, the desulfurization and denitrification effects are better, meanwhile, the vertical vibration of the blowing plate and the, thereby being convenient for cleaning the bag-type dust collector.
Description
Technical Field
The invention relates to the technical field of desulfurization and denitrification devices, in particular to a bag-type dust collector of a semidry desulfurization and denitrification device.
Background
The thermal power plant generates electricity to enable a large amount of waste gas containing sulfur and nitrate to be generated in burning coal, the waste gas is discharged into the atmosphere to pollute and form acid rain, and the desulfurization and denitrification equipment is a device for treating the waste gas containing a large amount of sulfur and nitrate and generally treats the waste gas by semi-dry desulfurization and denitrification.
The semidry process technology is a simple, low-investment and high-performance desulfurization system, occupies a small area and is easy to approach.
The semi-dry desulfurization process is characterized in that a desulfurizing agent is added in a wet state, and the sensible heat of flue gas is utilized to evaporate water in slurry. In the drying process, the desulfurizer reacts with sulfur dioxide in the flue gas to generate a dry powder product. In order to improve the desulfurization efficiency, lime powder digestion pulping is generally adopted as a desulfurizing agent. If the bag type dust collector is used in combination, the desulfurization efficiency can be improved by 10% -15%. The semidry flue gas desulfurization technology mainly comprises a humidifying ash circulating desulfurization technology, a rotary spray drying method and a gas suspension absorption method.
The desulfurization final product desulfurization slag is a free flowing dry powder mixture, has no secondary pollution and can be further comprehensively utilized. The process is mainly applied to the flue gas desulfurization of power station boilers, and the flue gas treatment capacity of a single tower can be suitable for boilers with the evaporation capacity of 75 t/Fh-1025 t/Fh, SO2The removal rate can reach 90-98%, and the method is the method with the largest single-tower processing capacity and the highest comprehensive desulfurization benefit in the prior dry-method and semi-dry-method desulfurization technologies and the like.
And current semidry desulfurization denitration set composite with the back of waste gas desulfurization denitration, the circulation dust need pass through sack cleaner separation dust, but this kind of design still has the weak point, has not been convenient for dismantle the washing to the sack cleaner, and is not convenient for shake the problem that prevents to block up to the sack cleaner.
Based on the above, the invention designs a cloth bag dust remover of a semi-dry desulfurization and denitrification device, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a cloth bag dust remover of a semi-dry desulfurization and denitrification device, which solves the problems that the cloth bag dust remover is inconvenient to disassemble and clean and shake to prevent blockage in the cloth bag dust remover in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a semidry desulfurization and denitrification device sack cleaner, includes absorption tower and dust removal case, absorption tower lower extreme intercommunication has the intake pipe, the inside two sets of spray tubes that are equipped with of absorption tower, the absorption tower upper end is passed through the air duct and is connected in the dust removal incasement, the dust removal incasement is equipped with the blowing board, blowing board lower extreme is equipped with many groups of sack cleaner, it has the connecting rod to articulate through the articulated elements to blow board upper end, the connecting rod upper end articulates in cam flange department.
Preferably, the bottom end of the absorption tower is an inclined structure, the air inlet pipe is located at the upper end of the inclined structure, and a water outlet communicated with the outside is formed in the bottom end of the inclined structure.
Preferably, the two groups of spray pipes are respectively an oxidant solution spray pipe and a process water spray pipe, the oxidant solution spray pipe is positioned at the upper end of the process water spray pipe, and the upper ends of the two groups of spray pipes are fixedly connected with a plurality of groups of nozzles.
Preferably, the absorption tower is fixedly connected with an arc-shaped plate between the air inlet pipe and the lower end of the spray pipe.
Preferably, the dust removal incasement portion both ends have seted up the spout, fixedly connected with slide bar in the spout, the slide bar runs through sliding connection and jetting board both ends.
Preferably, the lower end of the blowing plate is located at two ends of the bag-type dust collector and is provided with a mounting groove, one end of the mounting groove, far away from the bag-type dust collector, is fixedly connected with a flexible soft rod, the other end of the flexible soft rod is fixedly connected with an L-shaped inserted rod, and two sides of the upper end of the bag-type dust collector are provided with clamping grooves matched with the L-shaped inserted rod.
Preferably, the flexible soft rod is sleeved with a compression spring, and two ends of the compression spring are respectively fixedly connected with the L-shaped inserted bar and the mounting groove.
Preferably, a driving motor is arranged in the dust removing box, and a power shaft end of the driving motor is fixedly connected to a circle center end of the cam.
Compared with the prior art, the invention has the beneficial effects that: the flow direction of the waste gas can be changed through the arc-shaped plate, the flow time of the waste gas in the absorption tower is prolonged, the waste gas is fully reacted with the solution, the desulfurization and denitrification effects are better, the blowing plate and the bag-type dust collector can be driven to vibrate up and down through the rotation of the cam, the blockage is prevented, and further, the bag-type dust collector is convenient and fast to mount and dismount through the mutual matching of the L-shaped inserting rod and the clamping groove, so that the bag-type dust collector is convenient to clean.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1-schematic view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of a connection structure of a blowing plate and a bag-type dust collector at the position A of the present invention;
fig. 3-enlarged schematic view of the connecting rod connection structure at the position B of the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-absorption tower, 2-dust removal box, 3-air inlet pipe, 4-spray pipe, 5-air guide pipe, 6-blowing plate, 7-bag dust remover, 8-hinged part, 9-connecting rod, 10-cam, 11-water outlet, 12-nozzle, 13-arc plate, 14-chute, 15-slide rod, 16-mounting groove, 17-flexible soft rod, 18-L-shaped inserted rod, 19-clamping groove and 20-compression spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a semidry desulfurization and denitrification device sack cleaner, includes absorption tower 1 and dust removal case 2, and 1 lower extreme intercommunication in absorption tower has intake pipe 3, and 1 inside two sets of spray tubes 4 that are equipped with in absorption tower, and 1 upper end in absorption tower is connected in dust removal case 2 through air duct 5, is equipped with jetting board 6 in the dust removal case 2, and 6 lower extremes of jetting board are equipped with multiunit sack cleaner 7, and 6 upper ends of jetting board are articulated through articulated elements 8 to have connecting rod 9, and the connecting rod 9 upper end articulates in the cam 10 bellmouth department.
Wherein, the bottom of the absorption tower 1 is an inclined structure, the air inlet pipe 3 is positioned at the upper end of the inclined structure, and the bottom end of the inclined structure is provided with a water outlet 11 communicated with the outside, so that the solution sprayed by the two groups of spray pipes 4 can flow out from the water outlet 11 at the bottom end of the inclined structure at the lower end. Two sets of spray pipes 4 are oxidant solution spray pipe and technology water spray pipe respectively, and oxidant solution spray pipe is located technology water spray pipe upper end, and the equal fixedly connected with multiunit nozzle 12 in two sets of spray pipes 4 upper ends, and nozzle 12 upwards spouts can form the cascade in absorption tower 1, fully reacts with waste gas, realizes SOx/NOx control. Absorption tower 1 is located fixedly connected with arc 13 between intake pipe 3 and the 4 lower extremes of spray tube, and arc 13 can change the direction that 3 waste gas of intake pipe flow, disperses it, with the better reaction of solution, and arc 13 can prolong the flow time of waste gas in absorption tower 1 simultaneously, fully reacts with solution, and SOx/NOx control effect is better. The inside both ends of dust removal case 2 have seted up spout 14, fixedly connected with slide bar 15 in the spout 14, slide bar 15 run through sliding connection and jetting board 6 both ends for jetting board 6 can slide from top to bottom in dust removal case 2. The lower end of the blowing plate 6 is located at two ends of the bag-type dust collector 7, mounting grooves 16 are formed in the two ends of the bag-type dust collector 7, one end of the bag-type dust collector 7 is fixedly connected with a flexible soft rod 17 in the mounting grooves 16, the other end of the flexible soft rod 17 is fixedly connected with an L-shaped inserting rod 18, and clamping grooves 19 matched with the L-shaped inserting rod 18 are formed in two sides of the upper end of the bag-type. The telescopic soft rod 17 is sleeved with a compression spring 20, two ends of the compression spring 20 are fixedly connected with the L-shaped insertion rod 18 and the mounting groove 16 respectively, and the L-shaped insertion rod 18 is pulled to enable the bag-type dust collector 7 to be conveniently detached and mounted in a clamping groove 19 on the bag-type dust collector 7 and to be cleaned. Be equipped with driving motor in the dust removal case 2, driving motor power shaft end fixed connection is in cam 10 centre of a circle end, and driving motor can drive cam 10 and rotate, drives connecting rod 9 simultaneously and reciprocates to make the vertical vibrations of blowing board 6, prevent that sack cleaner 7 from blockking up.
One specific application of this embodiment is: through following the leading-in absorption tower 1 of intake pipe 3 with waste gas, the SOx/NOx control solution is sprayed in the two sets of spray tubes 4 of accessible this moment to absorption tower 1, makes it form the cascade, and the area of contact of increase and waste gas, SOx/NOx control effect is better. Meanwhile, the arc-shaped plate 13 can change the flowing direction of the waste gas, increase the flowing time of the waste gas and enable the waste gas to react fully, and waste water generated after reaction can be discharged from the water outlet 11. The desulfurized and denitrated waste gas enters the dust removal box 2 from the gas guide pipe 5, and dust is removed in the bag-type dust remover 7 at the lower end through the blowing plate 6. At this moment, the driving motor can be started to transfer the rotation of the cam 10, so that the connecting rod 9 moves up and down, the blowing plate 6 interacts up and down, the bag-type dust collector 7 is driven to vibrate, and the blockage is prevented. Further, the accessible moves L type inserted bar 18 to both ends to make it keep away from the draw-in groove 19 in the sack cleaner 7, dismantle the washing to sack cleaner 7, it is comparatively convenient to install and dismantle.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a semi-dry desulfurization denitrification facility sack cleaner, includes absorption tower (1) and dust removal case (2), its characterized in that: absorption tower (1) lower extreme intercommunication has intake pipe (3), absorption tower (1) inside is equipped with two sets of spray tubes (4), absorption tower (1) upper end is passed through air duct (5) and is connected in dust removal case (2), be equipped with injection board (6) in dust removal case (2), injection board (6) lower extreme is equipped with many groups sack cleaner (7), it has connecting rod (9) to articulate through articulated elements (8) in injection board (6) upper end, connecting rod (9) upper end articulates in cam (10) boss department.
2. The cloth bag dust remover for semi-dry desulfurization and denitrification devices according to claim 1, characterized in that: the bottom end of the absorption tower (1) is of an inclined structure, the air inlet pipe (3) is located at the upper end of the inclined structure, and a water outlet (11) communicated with the outside is formed in the bottom end of the inclined structure.
3. The cloth bag dust remover for semi-dry desulfurization and denitrification devices according to claim 1, characterized in that: the two groups of spray pipes (4) are respectively an oxidant solution spray pipe and a process water spray pipe, the oxidant solution spray pipe is positioned at the upper end of the process water spray pipe, and the upper ends of the two groups of spray pipes (4) are fixedly connected with a plurality of groups of nozzles (12).
4. The cloth bag dust remover for semi-dry desulfurization and denitrification devices according to claim 1, characterized in that: the absorption tower (1) is fixedly connected with an arc-shaped plate (13) between the lower ends of the air inlet pipe (3) and the spray pipe (4).
5. The cloth bag dust remover for semi-dry desulfurization and denitrification devices according to claim 1, characterized in that: spout (14) have been seted up at the inside both ends of dust removal case (2), fixedly connected with slide bar (15) in spout (14), slide bar (15) run through sliding connection and jetting board (6) both ends.
6. The cloth bag dust remover for semi-dry desulfurization and denitrification devices according to claim 1, characterized in that: the utility model discloses a bag dust collector, including blowing board (6), sack cleaner (7), mounting groove (16) have all been seted up to blowing board (6) lower extreme position in sack cleaner (7) both ends, the flexible soft pole (17) of one end fixedly connected with of sack cleaner (7) are kept away from in mounting groove (16), flexible soft pole (17) other end fixedly connected with L type inserted bar (18), draw-in groove (19) of mutually supporting with L type inserted bar (18) are seted up to sack cleaner (7) upper end both sides.
7. The cloth bag dust remover for semi-dry desulfurization and denitrification devices of claim 6, which is characterized in that: the telescopic soft rod (17) is sleeved with a compression spring (20), and two ends of the compression spring (20) are fixedly connected with the L-shaped inserted rod (18) and the mounting groove (16) respectively.
8. The cloth bag dust remover for semi-dry desulfurization and denitrification devices of claim 6, which is characterized in that: and a driving motor is arranged in the dust removing box (2), and a power shaft end of the driving motor is fixedly connected to the circle center end of the cam (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911082317.3A CN110787544A (en) | 2019-11-07 | 2019-11-07 | Semi-dry desulfurization and denitrification device bag-type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911082317.3A CN110787544A (en) | 2019-11-07 | 2019-11-07 | Semi-dry desulfurization and denitrification device bag-type dust collector |
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| CN110787544A true CN110787544A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911082317.3A Pending CN110787544A (en) | 2019-11-07 | 2019-11-07 | Semi-dry desulfurization and denitrification device bag-type dust collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619401A (en) * | 2020-12-31 | 2021-04-09 | 江苏君逸环保科技有限公司 | Waste gas desulfurization and denitrification process flow |
| CN113578042A (en) * | 2021-08-04 | 2021-11-02 | 河南工业职业技术学院 | Multistage ammonia-spraying efficient SCR flue gas denitration system |
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| CN207708812U (en) * | 2017-12-06 | 2018-08-10 | 中电环保股份有限公司 | A kind of coke oven flue gas denitration, desulfurization integrated processing unit |
| CN207805331U (en) * | 2017-12-29 | 2018-09-04 | 云南猎奇环保科技有限公司 | A kind of Tail Gas Treatment System of Garbage Incineration |
| CN208389734U (en) * | 2018-05-17 | 2019-01-18 | 大连铭晟环保设备有限公司 | Desulphurization denitration gas wash tower nethike embrane splinter device and desulphurization denitration gas wash tower |
| CN209123527U (en) * | 2018-11-02 | 2019-07-19 | 云南向辉药业有限公司 | A kind of Rhizoma Gastrodiae processing dedusting exclusion device of environmental protection |
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2019
- 2019-11-07 CN CN201911082317.3A patent/CN110787544A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207708812U (en) * | 2017-12-06 | 2018-08-10 | 中电环保股份有限公司 | A kind of coke oven flue gas denitration, desulfurization integrated processing unit |
| CN207805331U (en) * | 2017-12-29 | 2018-09-04 | 云南猎奇环保科技有限公司 | A kind of Tail Gas Treatment System of Garbage Incineration |
| CN208389734U (en) * | 2018-05-17 | 2019-01-18 | 大连铭晟环保设备有限公司 | Desulphurization denitration gas wash tower nethike embrane splinter device and desulphurization denitration gas wash tower |
| CN209123527U (en) * | 2018-11-02 | 2019-07-19 | 云南向辉药业有限公司 | A kind of Rhizoma Gastrodiae processing dedusting exclusion device of environmental protection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619401A (en) * | 2020-12-31 | 2021-04-09 | 江苏君逸环保科技有限公司 | Waste gas desulfurization and denitrification process flow |
| CN113578042A (en) * | 2021-08-04 | 2021-11-02 | 河南工业职业技术学院 | Multistage ammonia-spraying efficient SCR flue gas denitration system |
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Application publication date: 20200214 |
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