CN215311233U

CN215311233U - Coal power plant is flue gas emission filter equipment for energy saving and emission reduction

Info

Publication number: CN215311233U
Application number: CN202121830104.7U
Authority: CN
Inventors: 冯烨; 张华明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-28
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant, and discloses a filtering device for regularly cleaning a filtering layer through a cleaning device. Can clear up a large amount of solid particles attached to on the filter layer, prevent that the filter layer from blockking up, its characterized in that cartridge filter is arranged in on the support, and on the support was arranged in to the cooling section of thick bamboo, the filter cylinder bottom was connected with cooling bobbin top, the cartridge filter was linked together through crossing the filtration pore with the cooling section of thick bamboo, and the filter cylinder top was arranged in to intake pipe one end, and was linked together with the cartridge filter, and the other end and coal power plant's flue gas emission system are linked together, the cartridge filter top is arranged in to the aspirator pump, aspirator pump and intake pipe are linked together, the aspirator pump is connected through power cord and external power source, and the cartridge filter is arranged in to the filter pad, and in the filtration pore was arranged in to the active carbon filter plate, cooling bobbin base was arranged in to water injection pipe one end, and is linked together with the cooling section of thick bamboo, and the other end and coal power plant's water delivery system are linked together, and the cooling bobbin base is arranged in to the drain pipe, and be linked together with the cooling section of thick bamboo.

Description

Coal power plant is flue gas emission filter equipment for energy saving and emission reduction

Technical Field

The utility model discloses a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant, relates to a device for filtering flue gas emitted by the coal power plant, and belongs to the field of environment-friendly equipment. In particular to a filter device which can clean the filter layer regularly through a cleaning device.

Background

Coal power plants, which are generally referred to as thermal power plants for short, are plants for producing electric energy by using combustible materials (such as coal) as fuel, in the coal-fired power generation process of the coal power plants, high-heat toxic flue gas can be discharged after the coal is combusted, the components of the flue gas are complex, wherein the gas comprises water vapor, sulfur dioxide, nitrogen, carbon monoxide, carbon dioxide, hydrocarbons and the like, the flue gas comprises ash, coal particles, oil drops, pyrolysis products and the like of the fuel, the flue gas is directly discharged into the external environment and can pollute the environment, in order to reduce the harm to the environment, the discharged toxic flue gas needs to be filtered, the existing flue gas discharge filtering device filters the flue gas through a plurality of layers of filtering layers, but a filtering layer cleaning structure is not arranged, and when solid particles in the flue gas pass through the filtering layers, a large amount of solid particles can be adhered to the filtering layers, the long-time non-cleaning can influence the filtering effect of the filtering layer, thereby influencing the working efficiency of the smoke discharging and filtering device.

Publication No. CN213160016U discloses a chemical flue gas discharge filtering device, which comprises a main body, a second control ring, a supporting base and a gas inlet, the upper end of the air inlet is provided with a suction fan and a circulating water pump, the lower end of the circulating water pump is provided with a lower water guide pipe, the upper end of the circulating water pump is provided with an upper water guide pipe, the lower end in the main body is provided with a water storage tank, a first filter pad is arranged in the main body, a first spray head is arranged on the upper side of the first filter pad, a discharge port is arranged on the left side of the upper end of the main body, the smoke discharging and filtering device filters smoke through a plurality of layers of filtering layers, but the device is not provided with a filtering layer cleaning structure, when solid particles in the smoke pass through the filtering layers, can make a large amount of solid particles glue on the filter layer, long-time not clear up can influence the filter effect of filter layer to influence fume emission filter equipment's work efficiency.

Disclosure of Invention

In order to improve the situation, the utility model provides a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant, and provides a filtering device for periodically cleaning a filtering layer through a cleaning device. Can clear up a large amount of solid particles on attached to the filter layer, prevent that the filter layer from blockking up.

The utility model relates to a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant, which is realized by the following steps: the utility model relates to a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant, which consists of a main body device and a cleaning device, wherein the main body device consists of a filter cylinder, an exhaust pipe, an exhaust pump, a water injection pipe, a cooling cylinder, a support, an air suction pump, an air inlet pipe, a filter pad, an active carbon filter plate, a drain pipe and filter holes, the filter cylinder is arranged on the support, the cooling cylinder is arranged on the support, the bottom of the filter cylinder is connected with the top of the cooling cylinder, the filter cylinder is communicated with the cooling cylinder through the filter holes, one end of the air inlet pipe is arranged at the top of the filter cylinder and communicated with the filter cylinder, the other end of the air inlet pipe is communicated with a flue gas emission system of the coal power plant, the air suction pump is arranged at the top of the filter cylinder, the air suction pump is connected with an external power supply through a power wire, the filter pad is arranged in the filter cylinder, the active carbon is arranged in the filter holes, one end of the water injection pipe is arranged at the bottom of the cooling cylinder and communicated with the cooling cylinder, the other end is communicated with a water delivery system of a coal power plant, a drain pipe is arranged at the bottom of the cooling cylinder and is communicated with the cooling cylinder, the drain pipe is positioned below the water injection pipe, an exhaust pipe is arranged on the side wall of the cooling cylinder and is communicated with the cooling cylinder, an exhaust pump is arranged on the side wall of the cooling cylinder and is communicated with the exhaust pipe, the exhaust pump is connected with an external power supply through a power line,

the cleaning device consists of a water delivery pipe, a water suction pump, a water suction pipe, a driving motor, a sprinkler head, a brushing rod, a shaft sleeve, a blow-off box and a blow-off port, wherein the water suction pump is arranged on the side wall of the cooling cylinder, the water suction pump is connected with an external power supply through a power line, one end of the water suction pipe is communicated with the water inlet end of the water suction pump, the other end of the water suction pipe passes through the side wall of the cooling cylinder and extends into the cooling cylinder, a sealing gasket is arranged between the water suction pipe and the side wall of the cooling cylinder, a filter screen is arranged in the water suction pipe, one end of the water delivery pipe is communicated with the water outlet end of the water suction pump, the other end of the water delivery pipe passes through the side wall of the filter cylinder and extends into the filter cylinder, the sprinkler head is arranged at the other end of the water delivery pipe and is communicated with the water delivery pipe, the sealing gasket is arranged between the side wall of the water delivery pipe and the side wall of the filter cylinder, one end of the shaft sleeve is fixed on the inner wall at the top of the inner wall of the filter cylinder, the other end of the filter gasket extends towards the direction of the filter pad, and the driving motor is fixed on the outer wall at the top of the filter cylinder, the drive motor axle passes cartridge filter top and axle sleeve in proper order and extends to the filter pad direction, sealed bearing has been put between drive motor axle and the cartridge filter, sealed bearing has been put between drive motor axle and the axle sleeve, scrub the pole and arrange in on the drive motor axle, the equidistance has put the multiunit brush on the pole of scrubbing, multiunit brush staggered arrangement, multiunit brush and filter pad contact, and the cartridge filter bottom is arranged in to the drain tank, and is linked together through drain and cartridge filter, the drain tank is corresponding with scrubbing the pole.

Advantageous effects

One, can clear up a large amount of solid particles on attached to the filter layer, prevent that the filter layer from blockking up.

Secondly, the structure is simple, convenient and practical.

Thirdly, the cost is low, and the popularization is convenient.

Drawings

FIG. 1 is a three-dimensional structure diagram of a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant;

FIG. 2 is a schematic structural diagram of a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant.

In the attached drawings

Wherein the method comprises the following steps: the device comprises a filter cartridge 1, a water delivery pipe 2, a water suction pump 3, a water suction pipe 4, an exhaust pipe 5, an exhaust pump 6, a water injection pipe 7, a cooling cartridge 8, a support 9, an air suction pump 10, an air inlet pipe 11, a driving motor 12, a spraying head 13, a brushing rod 14, a filter pad 15, an activated carbon filter plate 16, a drain pipe 17, a filter hole 18, a drain box 19, a drain outlet 20 and a shaft sleeve 21.

The specific implementation mode is as follows:

the utility model relates to a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant, which is realized by the following steps: the utility model relates to a flue gas emission filtering device for energy conservation and emission reduction of a coal power plant, which comprises a main body device and a cleaning device, wherein the main body device comprises a filter cylinder 1, an exhaust pipe 5, an exhaust pump 6, a water injection pipe 7, a cooling cylinder 8, a support 9, an air suction pump 10, an air inlet pipe 11, a filter pad 15, an active carbon filter plate 16, a drain pipe 17 and filter holes 18, the filter cylinder 1 is arranged on the support 9, the cooling cylinder 8 is arranged on the support 9, the bottom of the filter cylinder 1 is connected with the top of the cooling cylinder 8, the filter cylinder 1 and the cooling cylinder 8 are communicated through the filter holes 18, one end of the air inlet pipe 11 is arranged on the top of the filter cylinder 1 and is communicated with the filter cylinder 1, the other end of the air inlet pipe is communicated with a flue gas emission system of the coal power plant, the air suction pump 10 is arranged on the top of the filter cylinder 1, the air suction pump 10 is communicated with the air inlet pipe 11, the air suction pump 10 is connected with an external power supply through a power line, and the filter pad 15 is arranged in the filter cylinder 1, the active carbon filter plate 16 is arranged in the filter hole 18, one end of the water injection pipe 7 is arranged at the bottom of the cooling cylinder 8 and communicated with the cooling cylinder 8, the other end of the water injection pipe is communicated with the water delivery system of the coal power plant, the drain pipe 17 is arranged at the bottom of the cooling cylinder 8 and communicated with the cooling cylinder 8, the drain pipe 17 is arranged below the water injection pipe 7, the exhaust pipe 5 is arranged on the side wall of the cooling cylinder 8 and communicated with the cooling cylinder 8, the exhaust pump 6 is arranged on the side wall of the cooling cylinder 8, the exhaust pump 6 is communicated with the exhaust pipe 5, the exhaust pump 6 is connected with an external power supply through a power line,

the cleaning device consists of a water delivery pipe 2, a water suction pump 3, a water suction pipe 4, a driving motor 12, a spray head 13, a brushing rod 14, a shaft sleeve 21, a blow-off box 19 and a blow-off port 20, wherein the water suction pump 3 is arranged on the side wall of a cooling cylinder 8, the water suction pump 3 is connected with an external power supply through a power line, one end of the water suction pipe 4 is communicated with the water inlet end of the water suction pump 3, the other end of the water suction pipe passes through the side wall of the cooling cylinder 8 and extends into the cooling cylinder 8, a sealing gasket is arranged between the side wall of the water suction pipe 4 and the side wall of the cooling cylinder 8, a filter screen is arranged in the water suction pipe 4, one end of the water delivery pipe 2 is communicated with the water outlet end of the water suction pump 3, the other end of the water suction pipe 1 passes through the side wall of the filter cylinder 1 and extends into the filter cylinder 1, the spray head 13 is arranged at the other end of the water delivery pipe 2 and is communicated with the water delivery pipe 2, a sealing gasket is arranged between the side wall of the water delivery pipe 2 and the side wall of the filter cylinder 1, one end of the shaft sleeve 21 is fixed on the inner wall of the top of the filter cylinder 1, the other end extends towards the direction of a filter pad 15, a driving motor 12 is fixedly arranged on the outer wall of the top of a filter cartridge 1, the shaft of the driving motor 12 sequentially penetrates through the top of the filter cartridge 1 and a shaft sleeve 21 and extends towards the direction of the filter pad 15, a sealing bearing is arranged between the shaft of the driving motor 12 and the shaft sleeve 21, a brushing rod 14 is arranged on the shaft of the driving motor 12, a plurality of groups of brushes are arranged on the brushing rod 14 at equal intervals and are staggered, the plurality of groups of brushes are in contact with the filter pad 15, a drain box 19 is arranged at the bottom of the filter cartridge 1 and is communicated with the filter cartridge 1 through a drain outlet 20, and the drain box 19 corresponds to the brushing rod 14;

when the device is used, firstly, the air suction pump 10 and the exhaust pump 6 are started, smoke generated by a coal power plant enters the filter cylinder 1 through the exhaust pipe 5 under the action of the air suction pump 10, then solid particles in the smoke, such as ash content of fuel, coal particles and the like, are filtered through the filtering action of the filter pad 15, residual gas substances in the filtered smoke, such as water vapor, sulfur dioxide, nitrogen, carbon monoxide and the like, pass through the filter pad 15 and flow to the filter holes 18 under the action of the exhaust pump 6, the active carbon filter plates 16 arranged in the filter holes 18 adsorb toxic substances in the smoke, the adsorbed gas enters the cooling cylinder 8 for cooling, and then the gas is discharged to the external environment through the exhaust pipe 5;

when the filter pad 15 needs to be cleaned, the water suction pump 3 is started, under the action of the water suction pump 3, water in the cooling cylinder 8 enters the water suction pump 3 through the water suction pipe 4, then enters the water delivery pipe 2 from the water suction pump 3, and finally is sprayed onto the filter pad 15 through the spraying head 13, then the driving motor 12 is started, the driving motor 12 rotates to drive the brushing rod 14 to rotate, the brush on the brushing rod 14 cleans the filter pad 15, meanwhile, due to the fact that the temperature of the water in the cooling cylinder 8 is raised after absorbing heat in smoke, the water is sprayed onto the filter pad 15 to better assist in cleaning attachments on the filter pad 15, the cleaned sewage is discharged into the sewage discharge tank 19 through the sewage discharge port 20, and then flows into a sewage discharge system of a coal power plant through the sewage discharge tank 19.

The design of the staggered arrangement of the multiple groups of brushes can better clean the filter pad 15;

a sealing bearing is arranged between the shaft of the driving motor 12 and the filter cartridge 1, so that the environment can be prevented from being polluted by the overflow of unfiltered smoke;

the design of a sealing bearing is arranged between the shaft of the driving motor 12 and the shaft sleeve 21, so that the situation that the service life of the driving motor 12 is influenced because the motor shaft is corroded by unfiltered smoke can be prevented;

the sealing gasket is arranged between the water delivery pipe 2 and the side wall of the filter cylinder 1, so that the situation that unfiltered smoke overflows to pollute the environment can be prevented;

the design that a sealing gasket is arranged between the water pumping pipe 4 and the side wall of the cooling cylinder 8 can ensure that the flue gas flows into the external environment through the exhaust pipe 5 after being cooled by the cooling cylinder 8;

the purpose of regularly cleaning the filter layer through the cleaning device is achieved.

It should be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a detachable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a coal power plant energy saving and emission reduction uses fume emission filter equipment which characterized by: the device comprises a main body device and a cleaning device, wherein the main body device comprises a filter cartridge, an exhaust pipe, an exhaust pump, a water injection pipe, a cooling cartridge, a support, an air suction pump, an air inlet pipe, a filter pad, an active carbon filter plate, a drain pipe and filter holes, the filter cartridge is arranged on the support, the cooling cartridge is arranged on the support, the bottom of the filter cartridge is connected with the top of the cooling cartridge, the filter cartridge is communicated with the cooling cartridge through the filter holes, one end of the air inlet pipe is arranged at the top of the filter cartridge and is communicated with the filter cartridge, the other end of the air inlet pipe is communicated with a smoke discharge system of a coal power plant, the air suction pump is arranged at the top of the filter cartridge and is communicated with the air inlet pipe, the air suction pump is connected with an external power supply through a power line, the filter pad is arranged in the filter cartridge, the active carbon filter plate is arranged in the filter holes, one end of the water injection pipe is arranged at the bottom of the cooling cartridge and is communicated with the water delivery system of the coal power plant, the drain pipe is arranged at the bottom of the cooling barrel and is communicated with the cooling barrel, the drain pipe is positioned below the water injection pipe, the exhaust pipe is arranged on the side wall of the cooling barrel and is communicated with the cooling barrel, the exhaust pump is arranged on the side wall of the cooling barrel, the exhaust pump is communicated with the exhaust pipe, the exhaust pump is connected with an external power supply through a power line, the cleaning device consists of a water pipe, a water pump, a water pumping pipe, a driving motor, a sprinkler head, a brushing rod, a shaft sleeve, a blow-off box and a blow-off port, the water pump is arranged on the side wall of the cooling barrel and is connected with the external power supply through the power line, one end of the water pumping pipe is communicated with the water inlet end of the water pump, the other end of the water pumping pipe penetrates through the side wall of the cooling barrel and extends into the cooling barrel, a filter screen is arranged in the water pumping pipe, one end of the water pipe is communicated with the water outlet end of the water pump, the other end of the water pipe penetrates through the side wall of the filter barrel and extends into the filter barrel, and the sprinkler head is arranged at the other end of the water pipe, and be linked together with the raceway, axle sleeve one end is fixed to be arranged in on the cartridge filter top inner wall, and the other end extends to the filter pad direction, and driving motor is fixed to be arranged in on the cartridge filter top outer wall, and driving motor shaft passes cartridge filter top and axle sleeve in proper order and extends to the filter pad direction, and on the driving motor shaft was arranged in to the scrubbing rod, the equidistance had put the multiunit brush on the scrubbing rod, and the cartridge filter bottom was arranged in to the drain tank, and is linked together through drain and cartridge filter, the drain tank is corresponding with the scrubbing rod.

2. The coal power plant energy conservation and emission reduction flue gas emission filtering device according to claim 1, wherein the multiple groups of brushes are staggered and are in contact with the filter pad.

3. The coal power plant energy conservation and emission reduction flue gas emission filtering device according to claim 1, characterized in that a sealing gasket is arranged between the water pumping pipe and the side wall of the cooling cylinder.

4. The coal power plant energy conservation and emission reduction flue gas emission filtering device according to claim 1, characterized in that a sealing gasket is arranged between the water delivery pipe and the side wall of the filter cylinder.

5. The coal power plant energy conservation and emission reduction flue gas emission filtering device according to claim 1, characterized in that a sealing bearing is arranged between the driving motor shaft and the filter cylinder.

6. The coal power plant energy conservation and emission reduction flue gas emission filtering device according to claim 1, characterized in that a sealing bearing is arranged between the driving motor shaft and the shaft sleeve.