CN215411944U

CN215411944U - Small-size combined type SOx/NOx control device

Info

Publication number: CN215411944U
Application number: CN202121335290.7U
Authority: CN
Inventors: 田忠宏; 贺占娇; 刘红福
Original assignee: Yunnan Keyuan Environmental Protection Equipment Co ltd
Current assignee: Yunnan Keyuan Environmental Protection Equipment Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-01-04
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a small-sized combined type desulfurization and denitrification device, which comprises a base, wherein a working box is fixedly arranged at the top end of the base, a water tank is welded at the right side of the working box, a water pump is fixedly arranged at one side of the top end of the water tank, an electrostatic dust collector is fixedly arranged inside the working box, a slide rail is fixedly arranged below the electrostatic dust collector and positioned on the side wall of the working box, a placing box is slidably connected inside the slide rail, a motor is fixedly arranged in the middle of the top end of the water tank, the bottom end of a rotating shaft extends to the bottom end of the water tank and is movably connected with the water tank through a bearing, connecting rods are fixedly arranged at the upper end and the lower end of the outer wall of the rotating shaft, a water delivery pipe is fixedly connected with the output end of the water pump, a spiral spray nozzle is fixedly connected at the bottom end of a water collection pipe, a three-way joint is fixedly arranged on the outer wall of the water delivery pipe and positioned outside the working box, and an ozone access valve port is screwed at the other end of the three-way joint, the occupied space is small, the aims of desulfurization, denitration and dust removal are achieved, and the practicability is high.

Description

Small-size combined type SOx/NOx control device

Technical Field

The utility model relates to the technical field of flue gas desulfurization and denitration, in particular to a small-sized combined desulfurization and denitration device.

Background

The desulfurization is to remove sulfur dioxide in flue gas, the denitration is mainly to remove nitrogen oxide in the flue gas, the two substances enter the atmosphere to form acid rain, and the acid rain has great harm to human beings, so the country advocates environmental protection all the time, and the flue gas taking coal as fuel contains the substances, especially a thermal power plant. The working principle of the traditional desulfurization and denitrification equipment is as follows: the composite catalytic oxidation process and the absorption liquid process are combined, and compared with the traditional wet desulphurization and SCR/SNCR process, the low-investment and high-desulphurization and denitration efficiency are realized. The boiler flue gas firstly enters an oxidation tower, NO is oxidized into NO2 and N2O3 with high solubility, then the boiler flue gas enters an absorption tower, the absorption liquid is used as an absorbent to remove nitrogen oxides and sulfur dioxide in the flue gas, and the slurry after hydrogen sulfide absorption is used as a reducing agent to replace the absorption liquid for recycling. Although traditional SOx/NOx control equipment work efficiency is high, but bulky is unfavorable for the waste gas SOx/NOx control in the life, and it has certain limitation to use.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a small-sized combined type desulfurization and denitrification device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a small-sized combined type desulfurization and denitrification device comprises a base, wherein a working box is fixedly installed at the top end of the base, a water tank is welded at the right side of the working box, a water pump is fixedly installed at one side of the top end of the water tank, a sealing box door is hinged at the top end of the working box, an electrostatic dust collector is fixedly installed in the working box, a slide rail is fixedly installed below the electrostatic dust collector and on the side wall of the working box, a placing box is slidably connected in the slide rail, a water outlet is fixedly installed at the bottom end of one side wall of the working box, an air outlet is fixedly installed at the middle end of one side wall of the working box, a motor is fixedly installed in the middle of the top end of the water tank, a rotating shaft is welded at the output end of the motor, the bottom end of the rotating shaft extends to the bottom end of the water tank and is movably connected with the water tank through a bearing, and connecting rods are fixedly installed at the upper end and the lower end of the outer wall of the rotating shaft, the improved ozone water pump is characterized in that scrapers are welded at the left end and the right end of the connecting rod, the scrapers are connected with the side wall of the water tank in a sliding mode, a water suction pipe is welded at the input end of the water pump, the other end of the water suction pipe is fixedly connected with the bottom end of the water tank, a water delivery pipe is fixedly connected with the output end of the water pump, the other end of the water delivery pipe extends into the work box and is fixedly connected with one end of a water collection pipe screen, the water collection pipe, the water delivery pipe and the work box are fixedly connected, a spiral spray nozzle is fixedly connected with the bottom end of the water collection pipe, a three-way joint is fixedly mounted on the outer wall of the water delivery pipe and located outside the work box, and an ozone access valve port is screwed at the other end of the three-way joint.

Preferably, the bottom end of the base is riveted with a universal wheel.

Preferably, a glass observation window is fixedly arranged at the front end of the working box.

Preferably, the middle part of the exhaust port is fixedly provided with an electromagnetic valve.

Preferably, a water inlet is fixedly installed at the top end of the water tank.

Preferably, a check valve is fixedly mounted at the water inlet end of the water delivery pipe close to the three-way joint.

Preferably, air holes are formed in the periphery and the bottom end of the placing box; and a desulfurization activated carbon fiber catalyst is arranged in the placing box.

Preferably, the top end of the sealing box door is fixedly provided with an air inlet, and the sealing box door is fixedly connected with the working box through a lock catch.

Compared with the prior art, the utility model has the following beneficial effects: the utility model relates to a small-sized combined type desulfurization and denitrification device, when in use, flue gas enters the interior of a working box through an air inlet, is subjected to dust removal treatment by an electrostatic dust collector, the dust-removed gas is subjected to desulfurization treatment by a desulfurization activated carbon fiber catalyst in a placing box, the dust-removed gas enters the next step through an air hole after reaction, the front end of the working box is hinged with a box door, the box door can be opened to draw out the placing box, sulfur resources in the box are utilized, the utilization rate of the resources is improved, quicklime and water are fused and injected into a water tank, a motor is started to drive a rotating shaft, a connecting rod drives a scraper to rotate, on one hand, the quicklime water is prevented from caking to block a water suction pipe, on the other hand, the scraper scrapes off sticky substances on the inner wall of the water tank to avoid resource waste, the quicklime water is pumped out by a water pump and conveyed to the interior of the working box to be sprayed out through a spiral nozzle to clean the dust-removed gas, insert ozone with external ozone simultaneously and insert the valve port, the lime decomposes remaining sulfur dioxide in with the dust-collecting gas once more, and oxynitrides in the ozone decomposition dust-collecting gas, the flue gas after the dust removal is discharged through the gas vent, and waste water after the washing passes through the outlet and discharges, and this device simple structure, occupation space is little, and convenient operation reaches the purpose of desulfurization, denitration, dust removal, and the practicality is stronger.

Drawings

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

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

FIG. 3 is a right side view of the water tank of the present invention;

FIG. 4 is a schematic view of the connection between the scraper and the shaft according to the present invention.

In the figure: 1. a base; 101. a universal wheel; 2. a work box; 201. sealing the box door; 202. an air inlet; 203. an electrostatic precipitator; 204. a slide rail; 205. placing the box; 206. an exhaust port; 207. a water outlet; 3. a water tank; 301. a motor; 302. a rotating shaft; 303. a connecting rod; 304. a squeegee; 4. a water pump; 401. a suction pipe; 402. a water delivery pipe; 403. a check valve; 404. a three-way joint; 405. ozone is connected into the valve port; 406. a water collection pipe; 407. a spiral spray head.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, a small-sized combined type desulfurization and denitrification device comprises a base 1, wherein a work box 2 is fixedly installed at the top end of the base 1, a water tank 3 is welded at the right side of the work box 2, a water pump 4 is fixedly installed at one side of the top end of the water tank 3, a sealing box door 201 is hinged at the top end of the work box 2, an electrostatic dust collector 203 is fixedly installed inside the work box 2, a slide rail 204 is fixedly installed below the electrostatic dust collector 203 and positioned on the side wall of the work box 2, a placing box 205 is slidably connected inside the slide rail 204, a water outlet 207 is fixedly installed at the bottom end of one side wall of the work box 2, an exhaust port 206 is fixedly installed at the middle end of one side wall of the work box 2, a motor 301 is fixedly installed at the middle part of the top end of the water tank 3, a rotating shaft 302 is welded at the output end of the motor 301, the bottom end of the rotating shaft 302 extends to the bottom end of the water tank 3 and is movably connected with the rotating shaft through a bearing, the water tank cleaning device comprises a rotating shaft 302, connecting rods 303 are fixedly mounted at the upper end and the lower end of the outer wall of the rotating shaft 302, scrapers 304 are welded at the left end and the right end of each connecting rod 303, the scrapers 304 are slidably connected with the side wall of a water tank 3, a water suction pipe 401 is welded at the input end of a water pump 4, the other end of the water suction pipe 401 is fixedly connected with the bottom end of the water tank 3, a water delivery pipe 402 is fixedly connected with the output end of the water pump 4, the other end of the water delivery pipe 402 extends to the inside of a working tank 2 and is fixedly connected with one end of a screen of a water collection pipe 406, the water delivery pipe 402 and the working tank 2 are fixedly connected, a spiral spray nozzle 407 is fixedly connected with the bottom end of the water collection pipe 406, a three-way joint 404 is fixedly mounted on the outer wall of the water delivery pipe 402 and located outside the working tank 2, and an ozone access valve port 405 is screwed on the other end of the three-way joint 404.

In this embodiment, preferably, the bottom end of the base 1 is riveted with a universal wheel 101 for moving.

In this embodiment, preferably, a glass observation window is fixedly installed at the front end of the work box 2.

In this embodiment, preferably, an electromagnetic valve is fixedly installed in the middle of the exhaust port 206, so as to control the direction of the flue gas inside the work box 2.

In this embodiment, preferably, a water inlet is fixedly installed at the top end of the water tank 3.

In this embodiment, preferably, a check valve 403 is fixedly installed at a water inlet end of the water pipe 402 close to the three-way joint 404, so that the ozone is prevented from flowing back to the end of the water pump 4 through the three-way joint 404 to affect the desulfurization and denitrification processes.

In this embodiment, preferably, the periphery and the bottom end of the placing box 205 are both provided with air holes; the inside of placing box 205 is equipped with desulfurization activated carbon fiber catalyst, is convenient for collect the sulphide in the flue gas.

In this embodiment, preferably, the top end of the seal box door 201 is fixedly provided with an air inlet 202, and the seal box door 201 is fixedly connected with the work box 2 through a lock catch, so as to facilitate installation of the electrostatic dust collector 203.

It should be noted that, the utility model is a small-sized combined type desulfurization and denitrification device, when in use, flue gas enters the inside of the working box 2 through the air inlet 202, and is subjected to dust removal treatment through the electrostatic dust collector 203, the dust-removed gas is subjected to desulfurization treatment through the desulfurization activated carbon fiber catalyst in the placing box 205, the dust-removed gas enters the next step through the air vent after reaction, the front end of the working box 2 is hinged with a box door, the box door can be opened to draw out the placing box 205, sulfur resources in the box can be utilized, the utilization rate of the resources can be improved, quicklime and water are fused and injected into the water tank 3, the motor 301 is started to drive the rotating shaft 302, so that the connecting rod 303 drives the scraper 304 to rotate, on one hand, the quicklime water can be prevented from caking to block the water suction pipe 401, on the other hand, the scraper 304 scrapes off sticky matters on the inner wall of the water tank 3 to avoid resource waste, the quicklime water is pumped out through the water pump 4 and conveyed to the inside of the working box 2 to be sprayed through the spiral nozzle 407, the dedusting gas is cleaned, external ozone is connected into the ozone access valve port 405, residual sulfur dioxide in the dedusting gas is decomposed again by quick lime, oxynitride in the dedusting gas is decomposed by ozone, flue gas after dedusting is discharged through the exhaust port 206, and waste water after cleaning is discharged through the water outlet 207.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a small-size combined type SOx/NOx control device, includes base (1), its characterized in that: the water tank is characterized in that a work box (2) is fixedly mounted at the top end of the base (1), a water tank (3) is welded at the right side of the work box (2), a water pump (4) is fixedly mounted at one side of the top end of the water tank (3), a sealing box door (201) is hinged at the top end of the work box (2), an electrostatic dust collector (203) is fixedly mounted inside the work box (2), a slide rail (204) is fixedly mounted below the electrostatic dust collector (203) and located on the side wall of the work box (2), a placing box (205) is connected inside the slide rail (204) in a sliding manner, a water outlet (207) is fixedly mounted at the bottom end of one side wall of the work box (2), an exhaust port (206) is fixedly mounted in the middle of one side wall of the work box (2), a motor (301) is fixedly mounted at the middle of the top end of the water tank (3), and a rotating shaft (302) is welded at the output end of the motor (301), the bottom end of the rotating shaft (302) extends to the bottom end of the water tank (3) and is movably connected with the water tank through a bearing, connecting rods (303) are fixedly mounted at the upper end and the lower end of the outer wall of the rotating shaft (302), scrapers (304) are welded at the left end and the right end of each connecting rod (303), the scrapers (304) are slidably connected with the side wall of the water tank (3), a water suction pipe (401) is welded at the input end of the water pump (4), the other end of the water suction pipe (401) is fixedly connected with the bottom end of the water tank (3), a water pipe (402) is fixedly connected at the output end of the water pump (4), the other end of the water pipe (402) extends to the inside of the work box (2) and is fixedly connected with one end of a screen of a water collecting pipe (406), the water pipe (402) and the work box (2) are fixedly connected, and a spiral spray head (407) is fixedly connected with the bottom end of the water collecting pipe (406), the outer wall of the water delivery pipe (402) is fixedly provided with a three-way joint (404) outside the working box (2), and the other end of the three-way joint (404) is screwed with an ozone access valve port (405).

2. The small-sized composite desulfurization and denitrification device according to claim 1, wherein: the bottom end of the base (1) is riveted with a universal wheel (101).

3. The small-sized composite desulfurization and denitrification device according to claim 1, wherein: and a glass observation window is fixedly arranged at the front end of the working box (2).

4. The small-sized composite desulfurization and denitrification device according to claim 1, wherein: and the middle part of the exhaust port (206) is fixedly provided with an electromagnetic valve.

5. The small-sized composite desulfurization and denitrification device according to claim 1, wherein: the top end of the water tank (3) is fixedly provided with a water inlet.

6. The small-sized composite desulfurization and denitrification device according to claim 1, wherein: and a check valve (403) is fixedly arranged on the water delivery pipe (402) close to the water inlet end of the three-way joint (404).

7. The small-sized composite desulfurization and denitrification device according to claim 1, wherein: air holes are formed in the periphery and the bottom end of the placing box (205); the inside of the placing box (205) is provided with a desulfurization activated carbon fiber catalyst.

8. The small-sized composite desulfurization and denitrification device according to claim 1, wherein: the top end of the sealing box door (201) is fixedly provided with an air inlet (202), and the sealing box door (201) is fixedly connected with the working box (2) through a lock catch.