CN219168099U - Boiler flue gas treatment recovery unit - Google Patents

Abstract

The utility model discloses a boiler flue gas treatment and recovery device, which comprises a boiler body and a supporting seat; the utility model relates to the technical field of flue gas treatment, and has the following beneficial effects that: because a large amount of harmful sulfur dioxide components exist in the boiler flue gas, the scheme can accelerate the reaction efficiency of sulfur dioxide and sodium hydroxide solution in the flue gas by using the aeration pipe to detect the component ratio of the sulfur dioxide in the flue gas at the moment through the sulfur dioxide detector and display the component ratio on a screen of the detector, so that a worker can intuitively observe the purification process of the flue gas and master the emission time.

Description

Boiler flue gas treatment recovery unit

Technical Field

The utility model relates to the technical field of flue gas treatment, in particular to a boiler flue gas treatment and recovery device.

Background

The prior patent number is: the utility model provides a power plant boiler denitration flue gas processing apparatus of CN113289434A, includes reaction tank, water pump, first water tank and second water tank, first water tank fixed mounting in the top of reaction tank, the bottom surface of first water tank be equipped with a plurality of atomising heads, the play fog mouth of atomising head be located the reaction tank, the second water tank fixed mounting in the bottom of reaction tank, the open setting in top of second water tank, the water inlet of water pump communicate with the second water tank through the pipeline, the delivery port of water pump communicate with first water tank through the pipeline, the middle part side of reaction tank be equipped with into the cigarette pipeline, the upper portion side of reaction tank be equipped with out the cigarette pipeline; the problems with this patent are:

when the harmful substances in the smoke react, a certain time is needed in the reaction process, and the smoke treatment device of the patent does not detect before the smoke is discharged, so that whether the harmful substances in the smoke are completely eliminated cannot be judged, and the direct discharge is easy to cause damage to the environment.

Disclosure of Invention

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a boiler flue gas treatment recovery unit, includes boiler body and supporting seat, the supporting seat is used for supporting device component, its characterized in that is equipped with hot cigarette cooling module, rose box subassembly and exhaust-gas treatment subassembly on the supporting seat;

wherein, hot cigarette cooling assembly includes: the air delivery pipe, the bracket, the refrigerator and the spiral pipe;

one end of the air pipe is connected to the boiler body, the support is arranged on the supporting seat, the refrigerator is arranged on the support, the spiral pipe is wound on the air pipe, and two ends of the spiral pipe are connected to the water inlet and the water outlet of the refrigerator in a classified mode.

Preferably, the controller is arranged on the supporting seat.

Preferably, the filter box assembly includes: the device comprises a filter box, a filter net rack, a filter screen, a slide way, a clamping groove, a mounting groove, a wheel carrier, a pulley and a spring;

the filter box top is connected with the gas-supply pipe, the slide is seted up on the filter box inner wall, filter screen frame installs in the slide, the filter screen is installed on the filter screen frame, the draw-in groove is seted up in filter screen frame side, the mounting groove is seted up on the slide lateral wall to correspond the draw-in groove position setting, the wheel carrier sets up in the mounting groove, the pulley is installed on the wheel carrier and can be stretched out the mounting groove, the spring sets up at the wheel carrier rear.

Preferably, the gas pipe is provided with an electric gas valve.

Preferably, the exhaust gas treatment assembly comprises: the device comprises a treatment box, an aerator pipe, a liquid discharge pipe, an exhaust pipe, a sulfur dioxide detector and an electronic valve;

the treatment box is arranged on the supporting seat and is connected with the upper filtering box through the air pipe, the aeration pipe is connected below the air pipe and stretches into the treatment box, the liquid discharge pipe is arranged below the treatment box, the exhaust pipe is arranged on the side of the treatment box, the electronic valve is arranged on the liquid discharge pipe and the exhaust pipe, and the sulfur dioxide detector is arranged above the exhaust pipe.

Preferably, a sodium hydroxide solution is arranged in the treatment box.

Advantageous effects

This boiler flue gas treatment recovery unit possesses following beneficial effect:

because a large amount of harmful sulfur dioxide components exist in the boiler flue gas, the scheme can accelerate the reaction efficiency of sulfur dioxide and sodium hydroxide solution in the flue gas by using the aeration pipe to detect the component ratio of the sulfur dioxide of the flue gas at the moment through the sulfur dioxide detector and display the component ratio on a screen of the detector, so that a worker can intuitively observe the purification process of the flue gas.

Drawings

FIG. 1 is a schematic diagram of a front view of a boiler flue gas treatment and recovery device according to the present utility model

Fig. 2 is a schematic diagram showing a part of a filter box assembly of the boiler flue gas treatment and recovery device in an enlarged manner.

Fig. 3 is a schematic view of three-dimensional parts of a boiler flue gas treatment and recovery device according to the present utility model.

In the figure: 1. a boiler body; 2. a support base; 3. a gas pipe; 4. a bracket; 5. a refrigerating machine; 6. a spiral tube; 7. a filter box; 8. a filter screen frame; 9. a filter screen; 10. a slideway; 11. a clamping groove; 12. a mounting groove; 13. a wheel carrier; 14. a pulley; 15. a spring; 16. a treatment box; 17. an aeration pipe; 18. a liquid discharge pipe; 19. an exhaust pipe; 20. a sulfur dioxide detector; 21. electronic valve

Detailed Description

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution.

The boiler flue gas treatment and recovery device comprises a boiler body 1 and a supporting seat 2, wherein the supporting seat 2 is used for supporting device elements, and is characterized in that a hot flue gas cooling assembly, a filter box assembly and an exhaust gas treatment assembly are arranged on the supporting seat;

wherein, hot cigarette cooling assembly includes: a gas pipe 3, a bracket 4, a refrigerator 5 and a spiral pipe 6;

one end of the air pipe 3 is connected to the boiler body 1, the support 4 is arranged on the support seat 2, the refrigerator 5 is arranged on the support 4, the spiral pipe 6 is wound on the air pipe 3, and two ends of the spiral pipe 6 are connected to the water inlet and the water outlet of the refrigerator 5 in a classified mode.

It should be noted that, because the flue gas exhausted from the boiler carries a large amount of heat, if the heat is too high, some parts which are not resistant to high temperature inside the device are affected, so before the flue gas enters the next mechanism in the gas pipe 3, the refrigerator 5 introduces cold condensate water into the spiral pipe 6 to realize cooling of the gas pipe 3, so that the flue gas in the gas pipe 3 can be cooled simultaneously, and the condensate water can be automatically pumped back by the refrigerator 5 to be cooled again after being heated and heated, thereby realizing refrigeration cycle.

Preferably, the controller is further arranged on the supporting seat 2.

The controller is used for controlling the electric element in the device.

Preferably, still further, the filter box assembly includes: the filter box 7, the filter net frame 8, the filter net 9, the slide way 10, the clamping groove 11, the mounting groove 12, the wheel frame 13, the pulley 14 and the spring 15;

the filter box 7 top is connected with the gas-supply pipe 3, slide 10 is seted up on the filter box 7 inner wall, filter screen rack 8 is installed in slide 10, filter screen 9 is installed on filter screen rack 8, draw-in groove 11 is seted up in filter screen rack 8 side, mounting groove 12 is seted up on slide 10 lateral wall to correspond draw-in groove 11 position setting, wheel carrier 13 sets up in mounting groove 12, pulley 14 is installed on wheel carrier 13 and can be stretched out mounting groove 12, spring 15 sets up at wheel carrier 13 rear.

It should be noted that, after the flue gas is cooled, the flue gas enters the filter box 7 through the gas pipe 3, dust particles in the flue gas can be intercepted and gas can pass through the filter screen 9 on the filter screen frame 8, the filter screen frame 8 can be pulled when the filter screen 9 is disassembled and cleaned, the pulley 14 is pulled out from the clamping groove 11, thereby the filter screen frame 8 is disassembled in the filter box 7, and when the filter screen frame 8 is assembled, the filter screen frame 8 can be directly pushed into the slideway 10 until the spring 15 stacks the wheel frame 13 to drive the pulley 14 to be clamped in the clamping groove 11, so that the clamping of the filter screen frame 8 is realized.

Preferably, the air pipe 3 is provided with an electric air valve.

It should be noted that an electric gas valve is used to control the gas volume per entry into the device.

Preferably, the exhaust gas treatment assembly further comprises: a treatment tank 16, an aeration pipe 17, a liquid discharge pipe 18, an exhaust pipe 19, a sulfur dioxide detector 20 and an electronic valve 21;

the treatment tank 16 is arranged on the supporting seat 2 and is connected with the upper filter tank 7 through the air pipe 3, the aeration pipe 17 is connected below the air pipe 3 and extends into the treatment tank 16, the liquid discharge pipe 18 is arranged below the treatment tank 16, the exhaust pipe 19 is arranged on the side of the treatment tank 16, the electronic valve 21 is arranged on the liquid discharge pipe 18 and the exhaust pipe 19, and the sulfur dioxide detector 20 is arranged above the exhaust pipe 19.

After the filtered flue gas enters the treatment tank 16 through the aeration pipe 17, the flue gas is sprayed out of the bottom cavity of the aeration pipe 17 to fully react with the solution, after the treatment tank 16 is filled with the gas, the sulfur dioxide detector 20 detects the concentration of sulfur dioxide in the gas, and the exhaust pipe 19 is opened to discharge the gas after the gas reaches the standard, so that the recovery of harmful sulfur dioxide in the gas is realized, and the liquid discharge pipe 18 is used for conveniently collecting and treating the reaction solution.

Preferably, further, a sodium hydroxide solution is disposed within the treatment tank 16.

It should be noted that sodium hydroxide solution can react with sulfur dioxide to form sodium sulfite precipitate for convenient collection.

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

Claims (6)

1. A boiler flue gas treatment and recovery device comprises a boiler body and a supporting seat; the device is characterized in that the supporting seat is used for supporting the device element, and a hot smoke cooling component, a filter box component and an exhaust gas treatment component are arranged on the supporting seat;

wherein, hot cigarette cooling assembly includes: the air delivery pipe, the bracket, the refrigerator and the spiral pipe;

one end of the air pipe is connected to the boiler body, the support is arranged on the supporting seat, the refrigerator is arranged on the support, the spiral pipe is wound on the air pipe, and two ends of the spiral pipe are connected to the water inlet and the water outlet of the refrigerator in a classified mode.

2. The boiler flue gas treatment and recovery device according to claim 1, wherein the support base is provided with a controller.

3. A boiler flue gas treatment recovery device according to claim 1, wherein said filter box assembly comprises: the device comprises a filter box, a filter net rack, a filter screen, a slide way, a clamping groove, a mounting groove, a wheel carrier, a pulley and a spring;

the filter box top is connected with the gas-supply pipe, the slide is seted up on the filter box inner wall, filter screen frame installs in the slide, the filter screen is installed on the filter screen frame, the draw-in groove is seted up in filter screen frame side, the mounting groove is seted up on the slide lateral wall to correspond the draw-in groove position setting, the wheel carrier sets up in the mounting groove, the pulley is installed on the wheel carrier and can be stretched out the mounting groove, the spring sets up at the wheel carrier rear.

4. The boiler flue gas treatment and recovery device according to claim 1, wherein the gas pipe is provided with an electric gas valve.

5. A boiler flue gas treatment recovery device according to claim 1, wherein said flue gas treatment assembly comprises: the device comprises a treatment box, an aerator pipe, a liquid discharge pipe, an exhaust pipe, a sulfur dioxide detector and an electronic valve;

the treatment box is arranged on the supporting seat and is connected with the upper filtering box through the air pipe, the aeration pipe is connected below the air pipe and stretches into the treatment box, the liquid discharge pipe is arranged below the treatment box, the exhaust pipe is arranged on the side of the treatment box, the electronic valve is arranged on the liquid discharge pipe and the exhaust pipe, and the sulfur dioxide detector is arranged above the exhaust pipe.

6. A boiler flue gas treatment and recovery device according to claim 5, wherein sodium hydroxide solution is provided in the treatment tank.

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