CN216203463U

CN216203463U - White smoke eliminating device for boiler smoke

Info

Publication number: CN216203463U
Application number: CN202122657852.6U
Authority: CN
Inventors: 王丰海; 王钧正; 高德坤
Original assignee: Shandong Shengbao Heat Transfer Technology Co ltd
Current assignee: Shandong Shengbao Heat Transfer Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a white smoke eliminating device for boiler smoke, and relates to the technical field of smoke treatment. The utility model comprises a purification tower, wherein a left side surface of the purification tower is connected with a smoke inlet pipe in a flange mode, the peripheral side surface of the interior of the purification tower is rotatably connected with a rotating shaft, the peripheral side surface of the rotating shaft is fixedly connected with a rotating plate, the peripheral side surface of the interior of the purification tower is fixedly provided with a guide plate, the upper surface of the guide plate is fixedly provided with a heat exchange pipe, the upper surface of the purification tower is communicated with a chimney, the peripheral side surface of the interior of the chimney is fixedly provided with a heat exchanger, and the heat exchange pipe is communicated with the heat exchanger through an external pipeline. According to the utility model, when the flue gas moves upwards, the rotating plate is driven to rotate, the flue gas and the rotating plate interact to reduce the rising speed of the flue gas, the guide plate prolongs the contact time of spray and the flue gas, the purification efficiency is improved, and the guide plate is obliquely arranged to prolong the moving distance of the flue gas, so that the heat exchange tube can fully exchange heat with the flue gas, and the heat is recovered.

Description

White smoke eliminating device for boiler smoke

Technical Field

The utility model belongs to the technical field of flue gas treatment, and particularly relates to a white smoke eliminating device for boiler flue gas.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, and the boiler can discharge smoke in the operation process, so that the environment is polluted and needs to be purified.

The moving speed of the flue gas discharged by some boilers with larger power is higher, so that the flue gas is not fully contacted with water mist in the flue gas treatment process, floating particles in the flue gas and the purified flue gas can not be effectively eliminated, and the flue gas treatment effect is influenced.

In order to solve the problems, the utility model provides a white smoke eliminating device for boiler smoke.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a white smoke eliminating device for boiler flue gas, which solves the problems that the flue gas discharged by the existing boilers with larger power has higher moving speed, so that the flue gas is not fully contacted with water mist in the flue gas treatment process, floating particles in the flue gas and the purified flue gas cannot be effectively eliminated, and the flue gas treatment effect is influenced.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a white smoke eliminating device for boiler flue gas, which comprises a purification tower, wherein a flue gas inlet pipe is connected to the left side surface of the purification tower in a flange mode, a rotating shaft is connected to the peripheral side surface inside the purification tower in a rotating mode, rotating plates are fixedly connected to the peripheral side surface of the rotating shaft, guide plates are fixedly installed on the peripheral side surface inside the purification tower, heat exchange tubes are fixedly installed on the upper surfaces of the guide plates, a chimney is communicated with the upper surface of the purification tower, a heat exchanger is fixedly installed on the peripheral side surface inside the chimney, the heat exchange tubes are communicated with the heat exchanger through an external pipeline, when the flue gas moves upwards, the rotating plates are driven to rotate, the rising speed of the flue gas is reduced due to interaction of the flue gas and the rotating plates, the contact time of spray and the flue gas is prolonged by the guide plates, and the purification efficiency is improved.

Preferably, the guide board sets up in the slope, the guide board is located the top of rotor plate, sets up the removal distance that the guide board has prolonged the flue gas through the slope for the heat exchange tube can fully exchange heat with the flue gas, retrieves the heat.

Preferably, the purifying tower intercommunication has the connecting pipe, connecting pipe flange joint has the circulating pump, circulating pump flange joint has the shower nozzle, the one end that the circulating pump was kept away from to the shower nozzle sets up in the purifying tower, and the one end fixed mounting that the circulating pump was kept away from to the shower nozzle has atomizer, sprays work through circulating pump cyclic utilization water resource.

Preferably, the front end face of the purification tower is connected with a dosing pipe through a flange, a dosing valve is fixedly mounted on the peripheral side face of the dosing pipe, and the chemicals fed through the dosing pipe react with sulfides in the flue gas to perform purification.

Preferably, the lower surface flange of purification tower is connected with the blow off pipe, the week side fixed mounting of blow off pipe has the blowdown valve, regularly changes the clearance water through the blow off pipe.

Preferably, the inside week side fixed mounting of purifying tower has the filter screen, the lower fixed surface mounting of purifying tower has the supporting leg, through installing the filter screen, blocks the large granule floater in the flue gas.

Preferably, the front end face of the purification tower is fixedly provided with a controller, the controller is electrically connected with the circulating pump, and the purification tower is operated through the controller and is convenient to use.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, when the smoke moves upwards, the rotating plate can be driven to rotate, the smoke and the rotating plate interact to reduce the rising speed of the smoke, the guide plate prolongs the contact time of spray and the smoke, the purification efficiency is improved, the moving distance of the smoke is prolonged by obliquely arranging the guide plate, so that the heat exchange tube can fully exchange heat with the smoke, the heat is recovered, the water resource is recycled through the circulating pump for spraying, the chemical reaction between the drug input through the dosing pipe and the sulfide in the smoke is generated, the purification work is carried out, the cleaning water is periodically replaced through the sewage discharge pipe, the large-particle floating materials in the smoke are blocked by installing the filter screen, the operation is carried out through the controller, and the use is convenient.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

FIG. 1 is a schematic view of the overall structure of a boiler smoke white smoke abatement device of the present invention;

FIG. 2 is a front view of a boiler flue gas white smoke abatement apparatus of the present invention;

FIG. 3 is a top view of a boiler flue gas white smoke abatement apparatus of the present invention;

FIG. 4 is a left side view of a boiler flue gas white smoke abatement apparatus of the present invention;

fig. 5 is a schematic view of the cross-sectional structure a-a in fig. 4.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a purification tower; 2. a smoke inlet pipe; 3. a rotating shaft; 4. a rotating plate; 5. a guide plate; 6. a heat exchange pipe; 7. a chimney; 8. a heat exchanger; 9. a connecting pipe; 10. a circulation pump; 11. a spray tube; 12. an atomizing spray head; 13. a filter screen; 14. a dosing tube; 15. a dosing valve; 16. a blow-off pipe; 17. a blowdown valve; 18. supporting legs; 19. and a controller.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the utility model is a white smoke eliminating device for boiler flue gas, comprising a purifying tower 1, a flue gas inlet pipe 2 is connected to the left side surface of the purifying tower 1 through a flange, a rotating shaft 3 is rotatably connected to the inner peripheral surface of the purifying tower 1, a rotating plate 4 is fixedly connected to the inner peripheral surface of the rotating shaft 3, a guide plate 5 is fixedly installed on the inner peripheral surface of the purifying tower 1, a heat exchange pipe 6 is fixedly installed on the upper surface of the guide plate 5, a chimney 7 is communicated with the upper surface of the purifying tower 1, a heat exchanger 8 is fixedly installed on the inner peripheral surface of the chimney 7, the heat exchange pipe 6 is communicated with the heat exchanger 8 through an external pipeline, when the flue gas moves upwards, the rotating plate 4 is driven to rotate, the rising speed of the flue gas is reduced through interaction between the flue gas and the rotating plate 4, the contact time of spray and the flue gas is prolonged through the guide plate 5, and the purifying efficiency is improved.

Guide plate 5 inclines to set up, and guide plate 5 is located the top of rotor plate 4, sets up guide plate 5 through the slope and has prolonged the migration distance of flue gas for heat exchange tube 6 can be with the abundant heat transfer of flue gas, retrieves the heat.

Purification tower 1 intercommunication has connecting

pipe

9, and 9 flange joint of connecting pipe have circulating pump 10, and circulating pump 10 flange joint has spray pipe 11, and the one end that circulating pump 10 was kept away from to spray pipe 11 sets up in purification tower 1, and spray pipe 11 keeps away from the one end fixed mounting of circulating pump 10 has atomizer 12, sprays the work through circulating pump 10 cyclic utilization water resource.

The front end face of the purification tower 1 is connected with a dosing pipe 14 in a flange mode, dosing valves 15 are fixedly installed on the peripheral side face of the dosing pipe 14, and drugs are fed through the dosing pipe 14 to react with sulfides in the smoke to perform purification.

The lower surface flange of purifying tower 1 is connected with blow off pipe 16, and the week side fixed mounting of blow off pipe 16 has blowdown valve 17, regularly changes the clearance water through blow off pipe 16.

A filter screen 13 is fixedly installed on the peripheral side face of the inside of the purification tower 1, supporting legs 18 are fixedly installed on the lower surface of the purification tower 1, and large-particle floaters in smoke are blocked by installing the filter screen 13.

The front end face of the purification tower 1 is fixedly provided with a controller 19, the controller 19 is electrically connected with the circulating pump 10, and the operation is carried out through the controller 19, so that the use is convenient.

As shown in fig. 1-5, the present embodiment is a white smoke abatement device for boiler flue gas, and the basic principle of the present invention is as follows: the flue gas generated by the boiler is guided into the purifying tower 1 through the smoke inlet pipe 2, the filter screen 13 blocks large-particle floating objects in the flue gas, when the flue gas moves upwards in the purifying tower 1, the rotating plate 4 is driven to rotate, the flue gas interacts with the rotating plate 4 to reduce the rising speed of the flue gas, meanwhile, the plurality of guide plates 5 which are obliquely arranged prolong the moving distance of the flue gas, so that the flue gas and the heat exchange pipe 6 can fully exchange heat and convey heat into the heat exchanger 8, the circulating pump 10 circularly utilizes water resources to spray liquid medicine through the atomizing nozzle 12, the liquid medicine has sufficient time to react with sulfides in the flue gas to play a purifying role, meanwhile, water mist can be attached to the surface of suspended particles in the flue gas to enable the particles to be condensed into water drops to fall, the model of the circulating pump 10 is preferably 40-160A, the purified flue gas continuously rises, the heat exchanger 8 in the chimney 7 absorbs the heat provided by the heat exchange pipe 6, the saturated wet smoke is heated to above 80 ℃ to eliminate white smoke, and the model of the controller 19 is preferably HK-Y1-220 XZ.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a white cigarette device is eliminated to boiler flue gas, includes purifying column (1), its characterized in that: the utility model discloses a purification tower, including purification tower (1), the side of left surface flange joint of purification tower (1) has into tobacco pipe (2), the side of week of the inside of purification tower (1) rotates and is connected with axis of rotation (3), all sides fixed connection of axis of rotation (3) has rotor plate (4), all sides fixed mounting of the inside of purification tower (1) has guide board (5), the last fixed surface of guide board (5) installs heat exchange tube (6), the upper surface intercommunication of purification tower (1) has chimney (7), all sides fixed mounting of the inside of chimney (7) has heat exchanger (8), heat exchange tube (6) and heat exchanger (8) are through outside pipeline intercommunication.

2. The boiler smoke white smoke abatement device of claim 1, wherein: the guide plate (5) is obliquely arranged, and the guide plate (5) is positioned above the rotating plate (4).

3. The boiler flue gas white smoke eliminating device according to claim 2, characterized in that: purifying column (1) intercommunication has connecting pipe (9), connecting pipe (9) flange joint has circulating pump (10), circulating pump (10) flange joint has spray pipe (11), the one end that circulating pump (10) were kept away from in spray pipe (11) sets up in purifying column (1), and spray pipe (11) keep away from the one end fixed mounting of circulating pump (10) has atomizer (12).

4. The boiler smoke white smoke abatement device of claim 3, wherein; the front end face of the purification tower (1) is connected with a dosing pipe (14) in a flange mode, and dosing valves (15) are fixedly installed on the peripheral side face of the dosing pipe (14).

5. The boiler flue gas white smoke eliminating device according to claim 4, characterized in that: the lower surface flange of purifying column (1) is connected with blow off pipe (16), the week side fixed mounting of blow off pipe (16) has blowdown valve (17).

6. The boiler flue gas white smoke eliminating device according to claim 5, characterized in that: the side fixed mounting all around of the inside of purifying column (1) has filter screen (13), the lower fixed surface of purifying column (1) installs supporting leg (18).

7. The boiler flue gas white smoke eliminating device according to claim 6, characterized in that: the front end face of the purification tower (1) is fixedly provided with a controller (19), and the controller (19) is electrically connected with the circulating pump (10).