CN216814201U - Boiler with low nitrogen oxide emission - Google Patents

Abstract

The utility model discloses a boiler with low nitrogen oxide emission, which comprises a boiler body, wherein a cleaning mechanism is arranged at the bottom of one end of the boiler body, the cleaning mechanism comprises a guide pipe, a water pipe, a gathering cavity, a guide hole, a sliding groove, a sliding block, a connecting rod, a connecting block, a clamping groove, a connecting flange, an external connecting pipe, a supporting plate, a clamping block and a scraper blade, the guide pipe is fixedly connected at the bottom of one end of the boiler body, the clamping block and the clamping groove are conveniently clamped with each other through the connecting flange, so that the position of the connecting block is limited, the normal conveying of smoke is kept, when the clamping block is separated from the clamping groove, the scraper blade is conveniently used for cleaning the inner wall of the guide pipe through the sliding groove and the sliding block, and convenient water is sprayed to the inner wall of the guide pipe from the inside of the guide hole through the water pipe and the gathering cavity, so as to clean residual stains on the inner wall of the guide pipe, the boiler body smoke outlet is convenient to maintain and clean.

Description

Boiler with low nitrogen oxide emission

Technical Field

The utility model relates to the technical field of boiler emission reduction, in particular to a boiler with low nitrogen oxide emission.

Background

The boiler is an energy conversion device, energy input into the boiler is in the forms of chemical energy, electric energy, high-temperature flue gas and the like in fuel, steam, high-temperature water or an organic carrier with certain heat energy is output to the outside through the conversion of the boiler, the origin of the boiler is a container for containing a heat exchange medium heated on fire, the furnace is a fuel combustion place, and the boiler consists of the boiler and the furnace;

a low nox emission oil/gas boiler as disclosed in the prior art, application No. (201220194953.2), which patent: on the premise of not reducing the heat efficiency of the fuel oil/gas boiler and not increasing the operation cost, the emission of nitrogen oxides of the fuel oil/gas boiler can be reduced by 20-50 percent;

however, the assembly for cleaning the inner wall of the flue gas outlet pipeline is lacked, so that flue gas particles on the inner wall of the flue gas outlet pipeline are attached to a large amount to form accumulation after long-time use, the inner wall of the pipeline is difficult to maintain and clean by workers, and the labor intensity is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a boiler with low nitrogen oxide emission, which can effectively solve the problem that the labor intensity is increased because a large amount of flue gas particles are adhered to the inner wall of a flue gas outlet pipeline to form accumulation after long-time use and workers are difficult to maintain and clean the inner wall of the pipeline due to the lack of an assembly for cleaning the inner wall of the flue gas outlet pipeline, which is provided by the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a boiler with low nitrogen oxide emission comprises a boiler body, wherein a cleaning mechanism is arranged at the bottom of one end of the boiler body and comprises a guide pipe, a water pipe, a gathering cavity, a guide hole, a sliding groove, a sliding block, a connecting rod, a connecting block, a clamping groove, a connecting flange, an external connecting pipe, a supporting plate, a clamping block and a scraper;

boiler body one end bottom position department fixedly connected with stand pipe, stand pipe outer end one side position department fixedly connected with water pipe, the chamber has been assembled to the inside having seted up of stand pipe, the guiding hole has been seted up to the stand pipe inner wall equidistance, stand pipe inner wall one side position department has seted up the spout, the inside equidistance of spout slides the embedding has the slider, the welding of slider one end avris position department has the scraper blade, the welding of slider outer end middle part position department has the connecting rod, and is a plurality of connecting rod one end all welds in the connecting block outer end, connecting block one end middle part position department has seted up the joint groove, stand pipe one end is installed external tub through flange, the welding of external tub inner wall one side position department has the backup pad, backup pad one end middle part is close to joint groove one side position department welding and has the joint piece.

Preferably, the outer end of the sliding block is in contact with the inside of the sliding groove, and the inlet end of the water pipe is connected with an external faucet.

Preferably, the outer end of the clamping block is matched with the inside of the clamping groove, and one end face of the scraper is tightly attached to the inner wall of the guide pipe.

Preferably, a filtering mechanism is arranged at the top of one end of the boiler body, and the filtering mechanism comprises a fuel pipeline, a combustion fan, a connecting pipe, a conveying pipe, a placing box, an air suction motor, a drawing plate, an active carbon filter screen and a fastening bolt;

boiler body one end top position department fixedly connected with fuel pipeline, the boiler body outside is provided with combustion fan, combustion fan air outlet fixedly connected with connecting pipe, stand pipe outer end top position department fixedly connected with conveyer pipe, the fixed welding of conveyer pipe outer end middle part position department has places the case, place incasement wall one side position department and install the motor that induced drafts, it has the drawing board to place incasement top one side position department slip embedding, drawing board one end bottom position department fixed embedding has the active carbon filter screen, drawing board both ends top position department all ann has the fastening bolt through the screw thread.

Preferably, one end of the connecting pipe is fixedly connected to one side of the outer end of the conveying pipe, and one end of the conveying pipe is fixedly connected to the top of the outer end of the fuel pipeline.

Preferably, a thread at one end of the fastening bolt is embedded into the outer end of the placing box, and the input ends of the combustion fan and the air suction motor are electrically connected with the output end of the external power supply.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. be provided with wiper mechanism, through flange, make things convenient for joint piece and the mutual joint of joint groove, thereby restrict the position of connecting block, keep the normal transport of flue gas, when joint piece and joint groove separation, through spout and slider cooperation, make things convenient for the scraper blade to clear up the inside wall of guide tube, and lead to pipe and assemble the chamber, make things convenient for water to spout the inside guide tube inside wall from the guiding hole, wash the remaining spot of guide tube inside wall with this, the convenience is maintained and is washd boiler body outlet flue.

2. Be provided with purification mechanism, through conveyer pipe and air suction motor, be convenient for lead to inside partial flue gas of leading pipe, and through the active carbon filter screen, be convenient for filter the granule in the flue gas, and through combustion-supporting fan and connecting pipe, make things convenient for air and flue gas to mix leading-in fuel conduit, with this convenience when burning fuel at the very beginning, reduce fuel conduit's oxygen content, thereby reduce low nitrogen oxide's emission, simultaneously through fastening bolt, make things convenient for the staff to dismantle the drawing board, clear up the active carbon filter screen.

Drawings

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

In the drawings:

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

FIG. 2 is a schematic view of the mounting structure of the holding box of the present invention;

FIG. 3 is a cross-sectional view of a guide tube of the present invention;

FIG. 4 is a schematic view of the mounting structure of the clamping block of the present invention;

FIG. 5 is a schematic view of the mounting structure of the drawplate of the present invention;

the reference numbers in the figures: 1. a boiler body;

2. a cleaning mechanism; 201. a guide tube; 202. a water pipe; 203. a convergence cavity; 204. a guide hole; 205. a chute; 206. a slider; 207. a connecting rod; 208. connecting blocks; 209. a clamping groove; 210. a connecting flange; 211. an external connection pipe; 212. a support plate; 213. a clamping block; 214. a squeegee;

3. a filtering mechanism; 301. a fuel conduit; 302. a combustion fan; 303. a connecting pipe; 304. a delivery pipe; 305. placing the box; 306. an air suction motor; 307. drawing the plate; 308. an active carbon filter screen; 309. and fastening the bolt.

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 described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-5, the utility model provides a technical solution, a boiler with low nitrogen oxide emission comprises a boiler body 1, a cleaning mechanism 2 is installed at the bottom position of one end of the boiler body 1, and the cleaning mechanism 2 comprises a guide pipe 201, a water pipe 202, a gathering cavity 203, a guide hole 204, a sliding groove 205, a sliding block 206, a connecting rod 207, a connecting block 208, a clamping groove 209, a connecting flange 210, an external connecting pipe 211, a supporting plate 212, a clamping block 213 and a scraper 214;

a guide pipe 201 is fixedly connected at the bottom position of one end of a boiler body 1, a water pipe 202 is fixedly connected at one side position of the outer end of the guide pipe 201, a gathering cavity 203 is arranged inside the guide pipe 201, guide holes 204 are equidistantly arranged on the inner wall of the guide pipe 201, a sliding groove 205 is arranged at one side position of the inner wall of the guide pipe 201, a sliding block 206 is embedded inside the sliding groove 205 in a sliding manner at an equal interval, the inside of the guide pipe 201 is convenient to clean, the outer end of the sliding block 206 is contacted with the inside of the sliding groove 205, the inlet end of the water pipe 202 is connected with an external water faucet, a scraping plate 214 is welded at the side position of one end of the sliding block 206, a connecting rod 207 is welded at the middle position of the outer end of the connecting block 208, a clamping groove 209 is arranged at the middle position of one end of the connecting block 208, an external connecting pipe 211 is installed at one end of the guide pipe 201 through a connecting flange 210, a supporting plate 212 is welded at one side position of the inner wall of the external connecting pipe 211, the welding of backup pad 212 one end middle part is close to joint groove 209 one side position department has joint piece 213, is convenient for restrict the position of connecting block 208, and joint piece 213 outer end agrees with joint groove 209 is inside, and a scraper blade 214 terminal surface closely laminates with stand pipe 201 inner wall.

A filtering mechanism 3 is installed at the top of one end of the boiler body 1, and the filtering mechanism 3 comprises a fuel pipeline 301, a combustion fan 302, a connecting pipe 303, a conveying pipe 304, a placing box 305, an air suction motor 306, a drawing plate 307, an activated carbon filtering net 308 and a fastening bolt 309;

the top position of one end of the boiler body 1 is fixedly connected with a fuel pipeline 301, the outer side of the boiler body 1 is provided with a combustion fan 302, the model of the combustion fan 302 is CY, the air outlet of the combustion fan 302 is fixedly connected with a connecting pipe 303, the top position of the outer end of a guide pipe 201 is fixedly connected with a conveying pipe 304, the interior of the connecting pipe 303 is convenient to communicate with the interior of the conveying pipe 304, one end of the connecting pipe 303 is fixedly connected with one side position of the outer end of the conveying pipe 304, one end of the conveying pipe 304 is fixedly connected with the top of the outer end of the fuel pipeline 301, the middle position of the outer end of the conveying pipe 304 is fixedly welded with a placing box 305, one side position of the inner wall of the placing box 305 is provided with an air suction motor 306, the model of the air suction motor 306 is RB, one side position of the top end of the placing box 305 is slidably embedded with a drawing plate 307, the bottom position of one end of the drawing plate 307 is fixedly embedded with an active carbon filter screen 308, so as to be convenient for filtering flue gas, take out board 307 both ends top position department and all ann have fastening bolt 309 through the screw thread installation, be convenient for dismantle taking out board 307, fastening bolt 309 one end screw thread embedding is in placing case 305 outer end, combustion-supporting fan 302 and induced draft motor 306 input all with external power supply output electric connection.

The working principle and the using process of the utility model are as follows: firstly, when fuel is combusted in the fuel pipeline 301, smoke is guided into the boiler body 1, the cooling device is consistent with a cooling mechanism in application number (201220194953.2), an air suction motor 306 is started, the air suction motor 306 sucks partial smoke in the guide pipe 201 into the placing box 305 through a conveying pipe 304, when the smoke passes through an activated carbon filter screen 308, particles in the smoke are conveniently filtered, the smoke with the particles is prevented from being guided into the fuel pipeline 301 again, a combustion fan 302 is started, the combustion fan 302 guides external air into the connecting pipe 303, then the air is guided into the conveying pipe 304 through the connecting pipe 303 to be mixed with the filtered smoke, so that the smoke mixed with the air is guided into the fuel pipeline 301, the oxygen content of the fuel pipeline 301 is conveniently reduced when the fuel is combusted at the beginning, the emission of low nitrogen oxides is reduced, in addition, a fastening bolt 309 is rotated, the fastening bolt 309 is screwed out of the placing box 305, the limitation on the drawing plate 307 is removed, the drawing plate 307 can be conveniently detached by a worker, and the activated carbon filter screen 308 is cleaned;

secondly, due to the function of the connecting flange 210, the guide tube 201 is tightly attached to the external connecting tube 211, so that the clamping block 213 and the clamping groove 209 are clamped with each other, the position of the connecting block 208 is limited to keep the normal transportation of the flue gas, when the connecting flange 210 is disassembled by the staff, the guide pipe 201 is separated from the outer connecting pipe 211, thereby separating the clamping block 213 from the clamping groove 209, releasing the limitation of the connecting block 208, rotating the connecting rod 207, making the connecting rod 207 drive the sliding block 206 to slide in the sliding groove 205, so that the slide block 206 drives the scraper 214 to clean the inner wall of the guide pipe 201, and simultaneously, the water is conveniently guided into the converging cavity 203 due to the action of the water pipe 202, and is sprayed out from the guide hole 204 inside the converging cavity 203, so that water is conveniently sprayed to the inner wall of the guide pipe 201, the residual stain on the inner wall of the guide pipe 201 is cleaned by the scraper 214, so that the smoke outlet of the boiler body 1 is conveniently maintained and cleaned.

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 (6)

1. A low nitrogen oxide emission boiler, includes boiler body (1), its characterized in that: the boiler is characterized in that a cleaning mechanism (2) is installed at the bottom of one end of the boiler body (1), and the cleaning mechanism (2) comprises a guide pipe (201), a water pipe (202), a convergence cavity (203), a guide hole (204), a sliding groove (205), a sliding block (206), a connecting rod (207), a connecting block (208), a clamping groove (209), a connecting flange (210), an external connecting pipe (211), a supporting plate (212), a clamping block (213) and a scraper plate (214);

boiler body (1) one end bottom position department fixedly connected with stand pipe (201), stand pipe (201) outer end one side position department fixedly connected with water pipe (202), the inside chamber (203) that assembles of having seted up of stand pipe (201), guiding hole (204) have been seted up to stand pipe (201) inner wall equidistance, stand pipe (201) inner wall one side position department has seted up spout (205), the inside equidistance of spout (205) slides and is embedded into slider (206), slider (206) one end avris position department has welded scraper blade (214), slider (206) outer end middle position department has welded connecting rod (207), and is a plurality of connecting rod (207) one end all welds in connecting block (208) outer end, joint groove (209) have been seted up to connecting block (208) one end middle position department, outer takeover (211) is installed through connecting flange (210) to stand pipe (201) one end, the welding of outer takeover (211) inner wall one side position department has backup pad (212), the welding of backup pad (212) one end middle part is close to joint groove (209) one side position department has joint piece (213).

2. The boiler for reducing nitrogen oxide emissions according to claim 1, wherein: the outer end of the sliding block (206) is in contact with the inside of the sliding groove (205), and the inlet end of the water pipe (202) is connected with an external water tap.

3. The boiler for reducing nitrogen oxide emissions according to claim 1, wherein: the outer end of the clamping block (213) is matched with the inside of the clamping groove (209), and one end face of the scraper (214) is tightly attached to the inner wall of the guide pipe (201).

4. The boiler for reducing nitrogen oxide emissions according to claim 1, wherein: a filtering mechanism (3) is installed at the top of one end of the boiler body (1), and the filtering mechanism (3) comprises a fuel pipeline (301), a combustion fan (302), a connecting pipe (303), a conveying pipe (304), a placing box (305), an air suction motor (306), a drawing plate (307), an active carbon filter screen (308) and a fastening bolt (309);

boiler body (1) one end top position department fixedly connected with fuel pipe (301), boiler body (1) outside is provided with combustion fan (302), combustion fan (302) air outlet fixedly connected with connecting pipe (303), stand pipe (201) outer end top position department fixedly connected with conveyer pipe (304), fixed welding of conveyer pipe (304) outer end middle part position department has places case (305), place case (305) inner wall one side position department and install induced draft motor (306), place case (305) top one side position department and slide the embedding and have take out board (307), take out board (307) one end bottom position department fixed embedding has active carbon filter screen (308), take out board (307) both ends top position department and all ann pass through the screw thread and install fastening bolt (309).

5. The boiler for reducing nitrogen oxide emissions according to claim 4, wherein: one end of the connecting pipe (303) is fixedly connected to one side of the outer end of the conveying pipe (304), and one end of the conveying pipe (304) is fixedly connected to the top of the outer end of the fuel pipeline (301).

6. The boiler for reducing nitrogen oxide emissions according to claim 4, wherein: one end of the fastening bolt (309) is embedded into the outer end of the placing box (305) in a threaded manner, and the input ends of the combustion fan (302) and the air suction motor (306) are electrically connected with the output end of an external power supply.

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