CN216825588U

CN216825588U - Boiler tail gas nitrogen oxide purifier

Info

Publication number: CN216825588U
Application number: CN202220380695.0U
Authority: CN
Inventors: 胡玉香; 张立新; 马仲银; 汪全超; 唐辉; 岳永强
Original assignee: Xinyuan Boruite Thermal Energy Co ltd
Current assignee: Xinyuan Boruite Thermal Energy Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-06-28
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a boiler tail gas nitrogen oxide purification device, wherein, both sides of a purification box body are uniformly provided with water pipe holes, a condensate pipe is embedded and installed in the water pipe holes, one end of the condensate pipe is connected with one side of a water outlet box, the bottom end of the water outlet box is connected with a water outlet pipe, the same scraper blade is sleeved on the condensate pipe corresponding to the inside of the purification box body in a sliding way, a rotating shaft is fixedly embedded and installed in one side of the purification box body, the rotating shaft is rotationally connected with a screw rod, a screw rod motor is installed on one side of the purification box body corresponding to the screw rod, the screw rod is movably sleeved on the top of the scraper blade, both sides of the purification box body are symmetrically connected with a purifying agent pipeline, one end of the purifying agent pipeline is provided with an atomizing nozzle, the top of the purification box body is fixedly embedded and installed with an active carbon layer, the top end of the purification box body is connected with a gas outlet pipeline, the boiler tail gas is firstly cooled through the condensate pipe, thereby reducing the temperature of the boiler tail gas to prevent the boiler tail gas from generating nitrogen oxide through subsequent reaction with the purifying agent, thereby improving the purification efficiency.

Description

Boiler tail gas nitrogen oxide purifier

Technical Field

The utility model relates to a tail gas treatment machine technical field specifically is a boiler tail gas nitrogen oxide purifier.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, and meanwhile, the tail gas discharged by the boiler contains a large amount of nitrogen oxides, and the tail gas needs to be treated by a purifying device so as to reach the discharge standard.

However, most of the existing boilers have insufficient cooling of the tail gas due to the high temperature of the tail gas during the exhaust, and are easy to generate nitrogen oxides by the subsequent reaction with a purifying agent in a purifying device, thereby affecting the purifying efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a boiler tail gas nitrogen oxide purifier can effectively solve present most boilers that propose in the above-mentioned background art because the temperature is higher when the tail gas is discharged, is not enough to the cooling of tail gas, takes place chemical reaction many times with the purifying agent easily in purifier to influence purification efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a boiler tail gas nitrogen oxide purification device comprises a purification box body, wherein an auxiliary purification assembly is arranged in the purification box body, and the auxiliary purification assembly comprises an air inlet pipeline, a water pipe hole, a condensate pipe, an water outlet box, a water outlet pipe, a scraper blade, a rotating shaft, a screw rod motor, a purifying agent pipeline, an atomizing nozzle, an active carbon layer and an air outlet pipeline;

the bottom of one side of the purifying box body is connected with an air inlet pipeline, water pipe holes are uniformly arranged on both sides of the purifying box body, a condensate pipe is embedded in the water pipe hole, one end of the condensate pipe is connected with one side of the water outlet tank, the bottom end of the water outlet box is connected with a water outlet pipe, a plurality of condensed water pipes corresponding to the inner part of the purifying box body are connected with a sliding connection scraper plate, a rotating shaft is fixedly embedded in one side of the purifying box body, a screw rod is rotationally connected in the rotating shaft, a screw rod motor is arranged at one side of the purifying box body corresponding to the screw rod through a screw, the screw rod is movably sleeved at the top of the scraper plate, purifying agent pipelines are symmetrically connected to two sides of the purifying box body, one end of each purifying agent pipeline is provided with an atomizing nozzle, an activated carbon layer is fixedly embedded into the inner top of the purifying box body, and an air outlet pipeline is connected to the top end of the purifying box body.

Preferably, the output shaft of the screw rod motor penetrates through the outer side of the purification box body and is connected to one side of the screw rod, and the input end of the screw rod motor is electrically connected with the output end of the external power supply.

Preferably, the inner diameter of the water pipe hole is equal to the diameter of the condensate pipe, and the length and the width of the activated carbon layer are respectively equal to the corresponding length and width in the purification box body.

Preferably, the purifying box body is provided with a placing assembly, and the placing assembly comprises a supporting plate, a supporting column, a box body outlet, an auger motor, an auger outlet and a storage box;

the utility model discloses a storage box, including purification box, supporting column, auger motor, auger bottom, storage box, screw, backup pad, screw, auger outlet, auger motor, support column, screw, and screw, and, screw.

Preferably, the length of the supporting plate is equal to that of the purifying box body, and the input end of the auger motor is electrically connected with the output end of the external power supply.

Preferably, the length and the width of auger export equal to the corresponding length and the width of storage box top import respectively, the storage box top is laminated in auger export bottom.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with supplementary purification subassembly, cool down earlier the processing through condensate pipe to boiler tail gas to the temperature that reduces boiler tail gas prevents that it from taking place follow-up reaction with the purifying agent and producing nitrogen oxide, and then improves purification efficiency, removes at the condensate pipe outer wall repeatedly through the scraper blade simultaneously, thereby cleans the condensate pipe outer wall, has both scraped the accumulational impurity of condensate pipe outer wall and has fallen into the auger and discharge, has strengthened condensate pipe's cooling effect again.

2. Be provided with and place the subassembly, prop up whole purifier through backup pad and support column, play fixed effect, the impurity of rethread auger in with boiler tail gas is the continuous discharge storage box, prevents to purify the inside jam of box, influences purification efficiency, also can unify the processing to the impurity of storing in the storage box simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the auxiliary cleaning assembly of the present invention;

FIG. 3 is a schematic structural view of the placement module of the present invention;

reference numbers in the figures: 1. purifying the box body;

2. an auxiliary purification assembly; 201. an air intake duct; 202. a water pipe hole; 203. a condensate pipe; 204. a water outlet tank; 205. a water outlet pipe; 206. a squeegee; 207. a rotating shaft; 208. a screw rod; 209. a screw motor; 210. a decontaminant conduit; 211. an atomizing spray head; 212. an activated carbon layer; 213. an air outlet pipe;

3. placing the component; 301. a support plate; 302. a support pillar; 303. an outlet of the box body; 304. a packing auger; 305. a packing auger motor; 306. an outlet of the auger; 307. and a storage box.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a technical solution, a boiler tail gas nitrogen oxide purifier, including purifying box 1, purifying box 1 internally mounted has supplementary purification subassembly 2, supplementary purification subassembly 2 includes admission line 201, water pipe hole 202, condensate pipe 203, outlet box 204, outlet pipe 205, scraper blade 206, pivot 207, lead screw 208, lead screw motor 209, purifying agent pipeline 210, atomizer 211, activated carbon layer 212 and outlet duct 213;

the bottom of one side of the purifying box body 1 is connected with an air inlet pipeline 201, water pipe holes 202 are uniformly formed in two sides of the purifying box body 1, condensate pipes 203 are embedded and installed in the water pipe holes 202, the inner diameter of each water pipe hole 202 is equal to the diameter of each condensate pipe 203, the water pipe holes are convenient to align and install, one end of each condensate pipe 203 is connected to one side of the water outlet box 204, the bottom end of the water outlet box 204 is connected with a water outlet pipe 205, a plurality of condensate pipes 203 are connected with sliding connection scrapers 206 corresponding to the inner part of the purifying box body 1, a rotating shaft 207 is fixedly embedded and installed in one side of the purifying box body 1, a screw rod 208 is rotatably connected in the rotating shaft 207, a screw rod motor 209 is installed on one side of the purifying box body 1 corresponding to the screw rod 208 through screws, an output shaft of the screw rod motor 209 penetrates through the outer side of the purifying box body 1 and is connected to one side of the screw rod 208, the screw rod 208 is convenient to control the rotation, the screw rod 208 is movably sleeved on the tops of the scrapers 206, purifying box body 1, two sides are symmetrically connected with purifying agent pipelines 210, atomizer 211 is installed to purifying agent pipeline 210 one end, and the fixed embedding in top installs activated carbon layer 212 in purifying box 1, and the length and the width on activated carbon layer 212 equal to the inside length and the width that correspond of purifying box 1 respectively, the embedding installation of being convenient for, purifying box 1 top is connected with air outlet pipe 213, lead screw motor 209 input and external power supply output electric connection make lead screw motor 209 can start.

The purifying box body 1 is provided with a placing component 3, and the placing component 3 comprises a supporting plate 301, a supporting column 302, a box body outlet 303, an auger 304, an auger motor 305, an auger outlet 306 and a storage box 307;

purify 1 both sides of box and have the backup pad 301 through the screw mounting, the length of backup pad 301 equals the length of purifying box 1, make things convenient for the size to align a installation, backup pad 301 bottom is installed through the screw symmetry and is had support column 302, purify 1 bottom of box and seted up box export 303, box export 303 department installs auger 304 through the screw embedding, auger motor 305 is installed through the screw mounting in auger 304 one side, auger export 306 has been seted up to auger 304 bottom one side, storage box 307 has been placed to auger export 306 bottom, the laminating in auger export 306 bottom is laminated on storage box 307 top, auger export 306 length and width equal the corresponding length and the width of storage box 307 top import respectively, be convenient for discharge dust and mud into storage box 307, auger motor 305 input and external power supply output electric connection, make auger motor 305 can start.

The utility model discloses a theory of operation and use flow: the boiler tail gas is discharged into the purifying box body 1 through the gas inlet pipeline 201, when the boiler tail gas passes through the condensate pipe 203, the boiler tail gas is cooled, the temperature of the boiler tail gas is reduced to prevent the boiler tail gas from generating nitrogen oxide through subsequent reaction with a purifying agent, the purifying agent pipeline 210 sprays the purifying agent in the purifying box body 1 through an atomizing nozzle 211, the purifying agent reacts with the boiler tail gas to take out the nitrogen oxide in the tail gas, the exhaust pipeline 213 continuously pumps the tail gas through a draught fan, the tail gas passes through an active carbon layer 212 and then is discharged from the exhaust pipeline 213, when the outer wall of the condensate pipe 203 is cleaned, the screw rod motor 209 is started, the scraper 206 repeatedly moves on the outer wall of the condensate pipe 203 by rotating the screw rod 208, thereby cleaning the outer wall of the condensate pipe 203, scraping impurities accumulated on the outer wall of the condensate pipe 203 into the packing auger 304 for discharge, and enhancing the cooling effect of the condensate pipe 203.

Support whole purification box 1 through backup pad 301 and support column 302, thereby play fixed effect, restart auger motor 305, to discharge the impurity that advances in auger 304 through box export 303 in the purification box 1 and constantly discharge, impurity falls into to storage box 307 through auger export 306 under auger 304's effect in, then prevent to purify the inside jam because of impurity of box 1, reduce purification efficiency, also can unify the processing to the impurity of storing in storage box 307 simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a boiler tail gas nitrogen oxide purifier, includes purifying box body (1), its characterized in that: an auxiliary purification assembly (2) is arranged in the purification box body (1), and the auxiliary purification assembly (2) comprises an air inlet pipeline (201), a water pipe hole (202), a condensate pipe (203), a water outlet box (204), a water outlet pipe (205), a scraper plate (206), a rotating shaft (207), a screw rod (208), a screw rod motor (209), a purifying agent pipeline (210), an atomization nozzle (211), an activated carbon layer (212) and an air outlet pipeline (213);

the purification box body (1) is characterized in that an air inlet pipeline (201) is connected to the bottom of one side of the purification box body (1), water pipe holes (202) are uniformly formed in two sides of the purification box body (1), condensate pipes (203) are embedded in the water pipe holes (202), one ends of the condensate pipes (203) are connected to one side of a water outlet box (204), the bottom end of the water outlet box (204) is connected with a water outlet pipe (205), the condensate pipes (203) are connected with sliding connection scraping plates (206) correspondingly to the inner part of the purification box body (1), a rotating shaft (207) is installed in the inner part of one side of the purification box body (1) in a fixed embedded mode, a screw rod (208) is rotatably connected in the rotating shaft (207), a screw rod motor (209) is installed at one side of the purification box body (1) corresponding to the screw rod (208) through screws, the screw rod (208) is movably sleeved at the top of the scraping plates (206), and purifying agents (210) are symmetrically connected to two sides of the purification box body (1), an atomizing nozzle (211) is installed at one end of the purifying agent pipeline (210), an activated carbon layer (212) is fixedly embedded into the top of the purifying box body (1), and an air outlet pipeline (213) is connected to the top end of the purifying box body (1).

2. The boiler tail gas nitrogen oxide purification device according to claim 1, wherein an output shaft of the screw motor (209) penetrates through the outside of the purification box body (1) and is connected to one side of the screw (208), and an input end of the screw motor (209) is electrically connected with an output end of an external power supply.

3. The apparatus for purifying nitrogen oxides in boiler exhaust gas as claimed in claim 1, wherein the inner diameter of the water pipe hole (202) is equal to the diameter of the condensate pipe (203), and the length and width of the activated carbon layer (212) are respectively equal to the corresponding length and width of the interior of the purification tank (1).

4. The boiler tail gas nitrogen oxide purification device according to claim 1, wherein the purification box body (1) is provided with a placement component (3), and the placement component (3) comprises a support plate (301), a support column (302), a box body outlet (303), an auger (304), an auger motor (305), an auger outlet (306) and a storage box (307);

purify box (1) both sides and have backup pad (301) through the screw mounting, support column (302) are installed through the screw symmetry in backup pad (301) bottom, box export (303) have been seted up to purification box (1) bottom, auger (304) have been installed through the screw embedding in box export (303) department, auger motor (305) have been installed through the screw in auger (304) one side, auger export (306) have been seted up to auger (304) bottom one side, storage box (307) have been placed to auger export (306) bottom.

5. The boiler tail gas nitrogen oxide purification device according to claim 4, wherein the length of the support plate (301) is equal to that of the purification box body (1), and the input end of the auger motor (305) is electrically connected with the output end of an external power supply.

6. The boiler tail gas nitrogen oxide purification device according to claim 4, wherein the length and width of the auger outlet (306) are respectively equal to the corresponding length and width of the inlet at the top end of the storage tank (307), and the top end of the storage tank (307) is attached to the bottom end of the auger outlet (306).