CN212680504U - Flue gas treatment system of waste incineration power plant - Google Patents

Abstract

The utility model discloses a flue gas treatment system of a waste incineration power plant, which relates to the technical field of flue gas treatment and comprises an outer tank, wherein the front surface of the outer tank is provided with a controller, the inner tank is arranged in the outer tank, the top of the inner tank is provided with a ring pipe, the bottom of the ring pipe is provided with a spray head, and the inner part of the ring pipe is provided with a dust screen; unloading pipe, unloading pipe sets up in the bottom of outer jar, the utility model discloses in, utilize inner tank and outer jar to cooperate drainage tube, ring pipe, shower nozzle, dust screen and filter screen simultaneously under, can carry out preliminary dust fall to particles such as dust in the flue gas to protect other equipment in the flue gas treatment process, prolong the life of equipment, the filter screen can be with dust and washing liquid separation, and then makes washing liquid can recycle, has improved the utilization of resource greatly.

Description

Flue gas treatment system of waste incineration power plant

Technical Field

The utility model belongs to the technical field of the flue gas is handled, specifically a flue gas processing system of msw incineration power plant.

Background

The flue gas treatment is mainly characterized in that polluting and corrosive gaseous ions or molecules in the flue gas generated by fuel combustion are absorbed through chemical reaction, so that the flue gas is purified and can be directly discharged into the atmosphere

The flue gas processing system of msw incineration power plant in the existing market still has the defect when using, for example, when the flue gas got into processing system, because the flue gas is not through the preliminary treatment for dust or granule debris content in the flue gas is great, causes the flue gas easily to cause the damage to the equipment that uses in the flue gas treatment process, thereby prolongs the life of equipment, and in addition, the dust is difficult to in time discharge from the device, and the device also is difficult to the problem that the heat in the flue gas utilized simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas processing system of msw incineration power plant to solve the problem that proposes in the above-mentioned background art.

The utility model adopts the technical scheme as follows:

a flue gas treatment system of a waste incineration power plant comprises

The front surface of the outer tank is provided with a controller, the inner tank is arranged in the outer tank, the top of the inner tank is provided with an annular pipe, the bottom of the annular pipe is provided with a spray head, and a dust screen is arranged in the annular pipe;

the blanking pipe is arranged at the bottom of the outer tank and communicated with the inner tank, a first water pump is arranged on one side of the outer part of the blanking pipe, and a water inlet and a water outlet of the first water pump are respectively connected with the blanking pipe and the annular pipe through a drainage pipe;

the air inlet pipe penetrates through the outer tank, and one end of the air inlet pipe is communicated with the inner tank;

the dust remover, the air inlet and the inner tank of dust remover are connected through the pipeline, the pipeline is located the top of filter screen, the gas outlet of dust remover is connected with the denitration tower, one side of denitration tower is connected with the desulfurizing tower, first water pump all with controller electric connection.

Preferably, the outside of drainage tube is connected with annotates the liquid pipe, it is provided with the control valve to annotate the outside of liquid pipe.

Preferably, the bottom of unloading pipe is provided with the motor, the inside of unloading pipe is provided with the auger, the bottom of auger is connected with the transmission shaft of motor, the top of auger is provided with the scraper blade, motor and controller electric connection.

Preferably, one side of outer jar is provided with the water pitcher, the top of water pitcher is provided with the second water pump, the water inlet and the water pitcher of second water pump are linked together, the delivery port of second water pump is connected through the aqueduct with one side top of outer jar, the pipeline intercommunication is passed through with one side bottom of outer jar to the water pitcher, second water pump and controller electric connection.

Preferably, one side bottom of unloading pipe is connected with row material pipe, the port department of arranging material pipe is provided with sealed lid.

Preferably, a filter screen is arranged on one side of the drainage tube in the blanking tube.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, utilize inner tank and outer jar to cooperate drainage tube, ring pipe, shower nozzle, dust screen and filter screen simultaneously under the effect, can carry out preliminary dust fall to particles such as dust in the flue gas to protect other equipment in the flue gas treatment process, prolong the life of equipment, the filter screen can be with dust and washing liquid separation, and then makes washing liquid can recycle, has improved the utilization of resource greatly.

2. The utility model discloses in, during the use, the transmission shaft of motor drives auger and scraper blade and rotates in step, can scrape the dust of inner tank inner wall and fall to the inside of unloading pipe, and the auger can be with unloading in the pipe dust through arrange outside the quick eduction gear of material pipe, and then makes the device can use repeatedly.

2. The utility model discloses in, can be with between the leading-in inner tank of rivers in the water pitcher and the outer jar through second water pump and aqueduct, and then absorb the heat of flue gas and save in the inside rivers of water pitcher to supply the people to use, and the cleanliness factor that the scraper blade can keep the inner tank inner wall in real time, consequently, can further improve the thermal conversion efficiency of flue gas.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the gas guide tank of the present invention;

FIG. 3 is a bottom view of the ring tube of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

in the figure: 1. a motor; 2. a first water pump; 3. a discharge pipe; 4. a drainage tube; 5. a water tank; 6. an air inlet pipe; 7. a second water pump; 8. a water conduit; 9. an outer tank; 10. a dust remover; 11. a denitration tower; 12. a desulfurizing tower; 13. a packing auger; 14. an annular tube; 15. a spray head; 16. a squeegee; 17. an inner tank; 18. filtering with a screen; 19. a discharging pipe; 20. a controller; 21. a liquid injection pipe; 22. a dust screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to FIGS. 1 to 4, a flue gas treatment system of a waste incineration power plant includes

The device comprises an outer tank 9, wherein a controller 20 is arranged on the front surface of the outer tank 9, an inner tank 17 is arranged inside the outer tank 9, an annular pipe 14 is arranged at the top inside the inner tank 17, a spray head 15 is arranged at the bottom of the annular pipe 14, and a dust screen 22 is arranged inside the annular pipe 14;

the blanking pipe 19 is arranged at the bottom of the outer tank 9, the blanking pipe 19 is communicated with the inner tank 17, a first water pump 2 is arranged on one side of the outer part of the blanking pipe 19, and a water inlet and a water outlet of the first water pump 2 are respectively connected with the blanking pipe 19 and the annular pipe 14 through a drainage pipe 4;

the air inlet pipe 6 penetrates through the outer tank 9, and one end of the air inlet pipe 6 is communicated with the inner tank 17;

the device comprises a dust remover 10, wherein an air inlet of the dust remover 10 is connected with an inner tank 17 through a pipeline, the pipeline is positioned above a filter screen 18, an air outlet of the dust remover 10 is connected with a denitration tower 11, one side of the denitration tower 11 is connected with a desulfurization tower 12, and a first water pump 2 is electrically connected with a controller 20;

the exterior of the drainage tube 4 is connected with a liquid injection tube 21, and the exterior of the liquid injection tube 21 is provided with a control valve;

the bottom of the blanking pipe 19 is provided with a motor 1, the inside of the blanking pipe 19 is provided with an auger 13, the bottom end of the auger 13 is connected with a transmission shaft of the motor 1, the top end of the auger 13 is provided with a scraper 16, and the motor 1 is electrically connected with a controller 20;

the bottom of one side of the discharging pipe 19 is connected with a discharging pipe 3, and a sealing cover is arranged at the port of the discharging pipe 3;

the interior of the down pipe 19 at one side of the draft tube 4 is provided with a strainer 18.

Through the technical scheme:

when the garbage incinerator is used, water flow or cleaning solution for cleaning smoke is injected into the inner tank 17 through the liquid injection pipe 21, then smoke generated by garbage incineration enters the inner tank 17 through the air inlet pipe 6, and then the first water pump 2 and the motor 1 are simultaneously turned on through the controller 20;

when the first water pump 2 works, the washing liquid injected into the inner tank 17 is extracted through the drainage tube 4 and is sent into the annular tube 14 at the top inside the inner tank 17, then the washing liquid is sprayed to the flue gas in the inner tank 17 through the spray head 15, and then primary dust fall is carried out on particles such as dust in the flue gas, so that other equipment in the flue gas treatment process is protected, and the service life of the equipment is prolonged;

then the washing liquid and the dust of the flue gas fall into the top of the inner tank 17, and the dust and the washing liquid can be separated under the action of the filter screen 18, so that the washing liquid can be recycled, and the utilization of resources is greatly improved;

when the motor 1 works, the transmission shaft of the motor 1 can drive the packing auger 13 and the scraper 16 to synchronously rotate, when the scraper 16 rotates, dust on the inner wall of the inner tank 17 can be scraped to the inside of the blanking pipe 19, then the discharging pipe 3 is opened, and under the action of the packing auger 13, particles such as dust and the like settled by smoke in the blanking pipe 19 can be quickly discharged, so that the device can be repeatedly used;

after dust or particulate matters in the flue gas fall, the flue gas passes through the dust screen 22 and sequentially enters the dust remover 10, the denitration tower 11 and the desulfurization tower 12, and then the purification process of the flue gas is completed.

Referring to fig. 1-2, a water tank 5 is arranged on one side of an outer tank 9, a second water pump 7 is arranged on the top of the water tank 5, a water inlet of the second water pump 7 is communicated with the water tank 5, a water outlet of the second water pump 7 is connected with the top of one side of the outer tank 9 through a water guide pipe 8, the water tank 5 is communicated with the bottom of one side of the outer tank 9 through a pipeline, the second water pump 7 is electrically connected with a controller 20, the first water pump 2 and the second water pump 7 both adopt 50CQ-25 water pumps, a signal adopted by a motor 1 is Y2-90L-4, and the controller 20 adopts a PLC editable logic controller with the model of CPU 226.

Through the technical scheme:

during the use, make second water pump 7 work through controller 20, second water pump 7 can be with the rivers extraction in the water pitcher 5 and pass through aqueduct 8 after that, flow between inner tank 17 and outer jar 9, and then absorb the heat of flue gas and save in the inside rivers of water pitcher 5 to supply the people to use, because scraper blade 16 can keep the cleanliness factor of inner tank 17 inner wall in real time, consequently, can further improve the thermal conversion efficiency of flue gas.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a flue gas processing system of msw incineration power plant which characterized in that: comprises that

The device comprises an outer tank (9), wherein a controller (20) is arranged on the front surface of the outer tank (9), an inner tank (17) is arranged inside the outer tank (9), a ring-shaped pipe (14) is arranged at the top inside the inner tank (17), a spray head (15) is arranged at the bottom of the ring-shaped pipe (14), and a dustproof net (22) is arranged inside the ring-shaped pipe (14);

the discharging pipe (19) is arranged at the bottom of the outer tank (9), the discharging pipe (19) is communicated with the inner tank (17), a first water pump (2) is arranged on one side of the outer portion of the discharging pipe (19), and a water inlet and a water outlet of the first water pump (2) are respectively connected with the discharging pipe (19) and the annular pipe (14) through a drainage pipe (4);

the air inlet pipe (6), the air inlet pipe (6) penetrates through the outer tank (9), and one end of the air inlet pipe (6) is communicated with the inner tank (17);

dust remover (10), the air inlet and inner tank (17) of dust remover (10) are connected through the pipeline, the pipeline is located the top of filter screen (18), the gas outlet of dust remover (10) is connected with denitration tower (11), one side of denitration tower (11) is connected with desulfurizing tower (12), first water pump (2) all with controller (20) electric connection.

2. The flue gas treatment system of a waste incineration power plant of claim 1, wherein: the outside of drainage tube (4) is connected with annotates liquid pipe (21), the outside of annotating liquid pipe (21) is provided with the control valve.

3. The flue gas treatment system of a waste incineration power plant of claim 1, wherein: the bottom of unloading pipe (19) is provided with motor (1), the inside of unloading pipe (19) is provided with auger (13), the bottom of auger (13) is connected with the transmission shaft of motor (1), the top of auger (13) is provided with scraper blade (16), motor (1) and controller (20) electric connection.

4. The flue gas treatment system of a waste incineration power plant of claim 1, wherein: one side of outer jar (9) is provided with water pitcher (5), the top of water pitcher (5) is provided with second water pump (7), the water inlet and water pitcher (5) of second water pump (7) are linked together, the delivery port of second water pump (7) is connected through aqueduct (8) with one side top of outer jar (9), pipeline intercommunication is passed through with one side bottom of outer jar (9) in water pitcher (5), second water pump (7) and controller (20) electric connection.

5. The flue gas treatment system of a waste incineration power plant of claim 1, wherein: one side bottom of unloading pipe (19) is connected with row material pipe (3), the port department of arranging material pipe (3) is provided with sealed lid.

6. The flue gas treatment system of a waste incineration power plant of claim 1, wherein: a filter screen (18) is arranged at one side of the drainage tube (4) in the blanking tube (19).

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