CN217511548U

CN217511548U - Desulfurization and denitrification treatment device

Info

Publication number: CN217511548U
Application number: CN202221051617.2U
Authority: CN
Inventors: 姚云松
Original assignee: Huzhou Jiayi Xinshi Thermoelectricity Co ltd
Current assignee: Huzhou Jiayi Xinshi Thermoelectricity Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-30
Anticipated expiration: 2032-05-05

Abstract

The utility model relates to the technical field of coal-fired tail gas treatment, and discloses a desulfurization and denitrification treatment device, which comprises a treatment box and a pretreatment structure, wherein the pretreatment structure is arranged on the left side of the treatment box, and a spraying structure is arranged inside the treatment box; the pretreatment structure comprises a filter box fixedly installed on the left side of the treatment box, a first baffle fixedly connected to the inner side of the filter box, two through holes are formed in the first baffle, a second baffle fixedly connected to the bottom of the first baffle, two collecting boxes movably connected to the inner bottom wall of the filter box, two primary filter screens movably connected to the top of the first baffle, and two clamping blocks fixedly connected to the inner top wall of the filter box. This SOx/NOx control processing apparatus can clear up the dust on first effect filter screen surface, prevents that first effect filter screen from taking place to block up the efficiency that reduces the processing to make things convenient for staff's clearance.

Description

Desulfurization and denitrification treatment device

Technical Field

The utility model relates to a coal-fired tail gas treatment technical field specifically is a SOx/NOx control processing apparatus.

Background

The fire coal is a solid combustible organic rock, which is mainly formed by plant remains through biochemical action, burying and then geological action, is commonly called coal, is combustible coal, is also called coal, and is solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes.

At present, a large amount of smoke is usually generated after burning fire coal, the smoke contains particles, sulfur-containing compounds, nitrogen-containing compounds and other substances, the smoke is discharged after being purified in order to avoid polluting the environment, the existing smoke desulfurization and denitration treatment device usually adopts a simple filter screen to pretreat the smoke and then sprays the smoke for neutralization and desulfurization and denitration treatment, but in the actual use process, because the smoke contains a large amount of dust, the dust can be accumulated on the surface of the filter screen, the gas circulation rate of the filter screen is reduced, the filter screen is blocked seriously, and the smoke treatment efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a SOx/NOx control processing apparatus possesses the advantage of preventing blockking up the function, has solved current flue gas SOx/NOx control processing apparatus in the in-service use, because contain a large amount of dusts in the flue gas, these dusts can pile up on the filter screen surface, cause the gas circulation rate of filter screen to descend, cause the filter screen to take place to block up when serious, lead to the problem of the efficiency decline of flue gas treatment.

In order to achieve the above object, the utility model provides a following technical scheme: a desulfurization and denitrification treatment device comprises a treatment box and a pretreatment structure, wherein the pretreatment structure is arranged on the left side of the treatment box, and a spraying structure is arranged inside the treatment box;

the pretreatment structure comprises a filter box fixedly arranged on the left side of the treatment box, the inner side of the filter box is fixedly connected with a first clapboard, two through holes are arranged in the first clapboard, the bottom of the first clapboard is fixedly connected with a second clapboard, the inner bottom wall of the filter box is movably connected with two collecting boxes, the top of the first clapboard is movably connected with two primary filter screens, the inner top wall of the filter box is fixedly connected with two clamping blocks, the top of the filter box is fixedly connected with an electric push rod, the bottom end of the electric push rod piston rod is fixedly connected with a fixed rod, the right side of the fixed rod is fixedly connected with a cleaning brush, two connecting holes are formed in the top of the filter box, the bottom end of the electric push rod piston rod penetrates through the connecting holes and extends to the inner side of the filter box, and the right side of the cleaning brush is in contact with the left side of the corresponding primary filter screen.

Can drive dead lever and clearance brush through electric putter and reciprocate to brush the dust on the primary filter screen surface, avoid it to take place to block up.

Further, the spraying structure comprises a box body fixedly installed on the right side of the treatment box, an inner side fixedly connected with annular plate of the treatment box, and a spray head which is annularly distributed and is far away from one side of the box body is fixedly connected with the annular plate.

The annular plate and the annularly arranged spray heads can annularly spray the gas.

Further, the top fixedly connected with water pump of box, handle two first guide boards of inboard fixedly connected with of case, the inboard fixedly connected with second guide board of handling the case.

The neutralizing liquid in the tank can be sent into the annular plate by a water pump.

Further, the top fixedly connected with fan of processing the case, the right side fixedly connected with drain pipe of processing the case.

The treated gas can be pumped out by the fan, and the neutralized liquid can be discharged by the drain pipe.

Further, the equal swing joint in the left and right sides of primary filter screen has the limiting plate, and the bottom of limiting plate and the top fixed connection of first baffle.

Can carry on spacingly to the primary filter screen through the limiting plate, avoid the primary filter screen to take place to rock.

Furthermore, two the collection box is located the left and right sides of second baffle respectively, and collects the bottom that the box is located the through-hole.

By placing the collecting boxes on the left and right sides of the second partition plate, dust falling from the two through holes can be collected.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this coal-fired excessive pure oxygen burning SOx/NOx control processing apparatus, through the inside rose box of preliminary treatment structure, first baffle, the through-hole, the second baffle, collect the box, the first effect filter screen, the card is fast, electric putter, dead lever and clearance brush can be cleared up the dust on first effect filter screen surface, prevent that the first effect filter screen from taking place to block up the efficiency that reduces the processing, and collect the collection box with impurity, make things convenient for staff's clearance, the convenience is dismantled the first effect filter screen simultaneously, make things convenient for staff's change.

2. This fire coal excess pure oxygen burning SOx/NOx control processing apparatus can carry out the annular to the flue gas after the preliminary treatment through the inside box of spraying structure, annular slab, shower nozzle, water pump, first guide board, second guide board, fan and drain pipe and spray, shunts the flue gas simultaneously to improve the contact of flue gas and neutralization solution, improve SOx/NOx control's effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an enlarged view of the structure a of the present invention.

In the figure: 1. a treatment tank; 200. a pre-processing structure; 201. a filter box; 202. a first separator; 203. a through hole; 204. a second separator; 205. a collection box; 206. a primary filter screen; 207. a clamping block; 208. an electric push rod; 209. fixing the rod; 210. cleaning a brush; 300. a spraying structure; 301. a box body; 302. an annular plate; 303. a spray head; 304. a water pump; 305. a first guide plate; 306. a second guide plate; 307. a fan; 308. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the desulfurization and denitrification treatment apparatus in the embodiment includes a treatment tank 1 and a pretreatment structure 200, wherein the pretreatment structure 200 is disposed at the left side of the treatment tank 1, and a spraying structure 300 is disposed inside the treatment tank 1, wherein the pretreatment structure 200 is a structure for filtering particulate impurities in flue gas, and the spraying structure 300 is a structure for neutralizing sulfur-containing compounds and nitrogen-containing compounds in flue gas.

As shown in fig. 1-3, the pretreatment structure 200 in this embodiment comprises a filter box 201 fixedly installed at the left side of a treatment box 1, two connection holes are opened at the top of the filter box 201, a flow guide block is fixedly connected to the inner bottom wall of the treatment box 1, the right side of the flow guide block is inclined downward, an air inlet pipe is fixedly connected to the left side of the filter box 201, the left side of the air inlet pipe is communicated with an external air supply pipeline, exhaust holes communicated with each other are opened at the right side of the filter box 201 and the left side of the treatment box 1, a first partition plate 202 is fixedly connected to the inner side of the filter box 201, two through holes 203 are opened inside the first partition plate 202, the through holes 203 are conical, a second partition plate 204 is fixedly connected to the bottom of the first partition plate 202, two collection boxes 205 are movably connected to the inner bottom wall of the filter box 201, a sealing door is hinged to the front surface of the filter box 201, the two collection boxes 205 are respectively located at the left side and the right side of the second partition plate 204, the collecting box 205 is located at the bottom of the through hole 203, the top of the first partition plate 202 is movably connected with two primary filter screens 206, the through hole 203 is located at the left side of the corresponding primary filter screen 206, the inner top wall of the filter box 201 is fixedly connected with two fixture blocks 207, the top of the filter box 201 is fixedly connected with an electric push rod 208, the bottom end of a piston rod of the electric push rod 208 penetrates through the connecting hole and extends to the inner side of the filter box 201, the bottom end of the piston rod of the electric push rod 208 is fixedly connected with a fixing rod 209, the right side of the fixing rod 209 is fixedly connected with a cleaning brush 210, and the right side of the cleaning brush 210 is in contact with the left side of the corresponding primary filter screen 206.

The equal swing joint in the left and right sides of primary filter screen 206 in this embodiment has the limiting plate, and the bottom of limiting plate and the top fixed connection of first baffle 202, and the top of primary filter screen 206 extends to fixture block 207's inboard, can carry on spacingly to primary filter screen 206 through limiting plate and fixture block 207, avoids primary filter screen 206 to take place to rock.

As shown in fig. 1-2, the spraying structure 300 in this embodiment includes a box 301 fixedly installed on the right side of the processing box 1, the inner side of the box 301 is filled with neutralizing liquid, the right side of the box 301 is fixedly connected with a liquid feeding pipe, the right side of the liquid feeding pipe is fixedly connected with a control valve, the top end of the liquid feeding pipe is communicated with an external liquid feeding pipeline, the inner side of the processing box 1 is fixedly connected with an annular plate 302, one side of the annular plate 302 away from the box 301 is fixedly connected with a spray head 303 distributed annularly, the top of the box 301 is fixedly connected with a water pump 304, the inner side of the processing box 1 is fixedly connected with two first guide plates 305, the first guide plates 305 are located at the top of the exhaust holes, the opposite sides of the two first guide plates 305 are inclined upwards, the inner side of the processing box 1 is fixedly connected with a second guide plate 306, the second guide plate 306 is located at the top between the opposite sides of the two first guide plates 305, the second guide plate 306 and the annular plate 302 are at the same level, the top of the treatment box 1 is fixedly connected with a fan 307, the right side of the treatment box 1 is fixedly connected with a drain pipe 308, and the right end of the drain pipe 308 is communicated with an external recovery pipeline.

The right side of the water pump 304 in this embodiment is fixedly connected with a first connecting pipe, one end of the first connecting pipe, which is far away from the water pump 304, penetrates through the tank 301 and extends to the inner bottom wall of the tank 301, the left side of the water pump 304 is fixedly connected with a second connecting pipe, the left end of the second connecting pipe penetrates through the treatment tank 1 and is communicated with the annular plate 302, and the neutralizing liquid in the tank 301 can be sent into the annular plate 302 through the water pump 304.

The bottom fixedly connected with first exhaust column of fan 307 in this embodiment, the bottom of first exhaust column with handle case 1 intercommunication, the right side fixedly connected with second exhaust column of fan 307, the right-hand member and the external gas transmission pipeline intercommunication of second exhaust column, conveniently transmit the gas of handling through fan 307.

The working principle of the above embodiment is as follows:

the outside air enters the inside of the filter box 201, the particle impurities in the flue gas are filtered through the primary filter screen 206, the electric push rod 208 is started as required, the electric push rod 208 drives the fixing rod 209 and the cleaning brush 210 to move up and down, thereby driving the cleaning brush 210 to clean the primary filter screen 206, the generated impurities fall into the collecting box 205 through the through hole 203, the blockage of the primary filter screen 206 is avoided, the pretreated gas enters the inside of the treatment box 1 through the exhaust hole, the water pump 304 is started, the neutralizing liquid in the box body 301 is pumped out through the first connecting pipe and the second connecting pipe and sent into the annular plate 302, the gas is sprayed through the spray head 303, the sulfur-containing compounds and the nitrogen-containing compounds in the gas are neutralized, meanwhile, the gas is shunted through the first guide plate 305 and the second guide plate 306, the contact between the gas and the neutralizing liquid is more sufficient, the fan 307 is started, the neutralized gas is pumped out through the first and second exhaust pipes and the neutralized liquid enters the recovery pipe through the drain pipe 308.

Compared with the prior art: through the inside rose box 201 of preliminary treatment structure 200, first baffle 202, through-hole 203, second baffle 204, collect box 205, first effect filter screen 206, fixture block 207, electric putter 208, dead lever 209 and cleaning brush 210 can be cleared up the dust on first effect filter screen 206 surface, prevent that first effect filter screen 206 from taking place to block up, reduce the efficiency of handling, and collect in collecting box 205 impurity, make things convenient for staff's clearance, the convenience is dismantled first effect filter screen 206 simultaneously, make things convenient for staff's change, through the inside box 301 of spray structure 300, annular plate 302, shower nozzle 303, water pump 304, first guide board 305, second guide board 306, fan 307 and drain pipe 308 can carry out the annular to the flue gas after the preliminary treatment and spray, shunt the flue gas simultaneously, thereby improve the contact of flue gas and neutralization solution, the effect of SOx/NOx control is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A desulfurization and denitrification treatment device is characterized in that: the device comprises a treatment box (1) and a pretreatment structure (200), wherein the pretreatment structure (200) is arranged on the left side of the treatment box (1), and a spraying structure (300) is arranged inside the treatment box (1);

the pretreatment structure (200) comprises a filter box (201) fixedly installed on the left side of a treatment box (1), a first partition plate (202) is fixedly connected to the inner side of the filter box (201), two through holes (203) are formed in the first partition plate (202), a second partition plate (204) is fixedly connected to the bottom of the first partition plate (202), two collecting boxes (205) are movably connected to the inner bottom wall of the filter box (201), two primary-effect filter screens (206) are movably connected to the top of the first partition plate (202), two clamping blocks (207) are fixedly connected to the inner top wall of the filter box (201), an electric push rod (208) is fixedly connected to the top of the filter box (201), a fixing rod (209) is fixedly connected to the bottom end of a piston rod of the electric push rod (208), and a cleaning brush (210) is fixedly connected to the right side of the fixing rod (209), two connecting holes are formed in the top of the filter box (201), the bottom end of the piston rod of the electric push rod (208) penetrates through the connecting holes and extends to the inner side of the filter box (201), and the right side of the cleaning brush (210) is in contact with the left side of the corresponding primary filter screen (206).

2. The desulfurization and denitrification treatment apparatus according to claim 1, wherein: spray structure (300) including box (301) of fixed mounting on handling case (1) right side, the inboard fixedly connected with annular plate (302) of handling case (1), one side fixedly connected with annular shower nozzle (303) that distribute of box (301) is kept away from in annular plate (302).

3. The desulfurization and denitrification treatment apparatus according to claim 2, wherein: the top fixedly connected with water pump (304) of box (301), handle two first guide boards (305) of inboard fixedly connected with of case (1), handle inboard fixedly connected with second guide board (306) of case (1).

4. The desulfurization and denitrification treatment apparatus according to claim 3, wherein: the top of the treatment box (1) is fixedly connected with a fan (307), and the right side of the treatment box (1) is fixedly connected with a drain pipe (308).

5. The desulfurization and denitrification treatment apparatus according to claim 1, wherein: the left and right sides of primary filter screen (206) all swing joint have the limiting plate, and the bottom of limiting plate and the top fixed connection of first baffle (202).

6. The desulfurization and denitrification treatment apparatus according to claim 1, wherein: the two collecting boxes (205) are respectively positioned at the left side and the right side of the second partition plate (204), and the collecting boxes (205) are positioned at the bottoms of the through holes (203).