CN218077027U

CN218077027U - Power plant boiler denitration flue gas processing apparatus

Info

Publication number: CN218077027U
Application number: CN202120919323.6U
Authority: CN
Inventors: 陈敏; 陈礼明
Original assignee: Huaneng Shanghai Electric Power Maintenance Co ltd
Current assignee: Huaneng Shanghai Electric Power Maintenance Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-12-20
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a power plant boiler denitration flue gas processing apparatus, including the reaction box, a water pump, first water tank and second water tank, first water tank fixed mounting is in the top of reaction box, the bottom surface of first water tank is equipped with a plurality of atomising heads, the play fog mouth of atomising head is located the reaction box, second water tank fixed mounting is in the bottom of reaction box, the open setting in top of second water tank, the water inlet of water pump passes through pipeline and second water tank intercommunication, the delivery port of water pump passes through pipeline and first water tank intercommunication, the middle part side of reaction box is equipped with into the cigarette pipeline, the upper portion side of reaction box is equipped with out the cigarette pipeline. Compared with the prior art, the utility model discloses can effectively cool down, the ash removal is handled to the denitration flue gas, and cooling water circulated use is effective, effective reduce cost, resources are saved.

Description

Power plant boiler denitration flue gas processing apparatus

Technical Field

The utility model belongs to the technical field of the flue gas denitration technique and specifically relates to a power plant boiler denitration flue gas processing apparatus is related to.

Background

At present, a large amount of industrial waste gas inevitably produces in the time of the industrialization rapid development, these not only can influence the normal production of mill, and can cause serious pollution to the environment, SO, how the pollution that effectual reduction industrial waste gas brought, the problem that has become present urgent need to be solved, such as coking plant, thermal power plant etc., can produce a large amount of SO2, SO3, the NOX pollutant, be great air pollution source, must just can discharge through SOx/NOx control processing, current SOx/NOx control processing apparatus, need use a large amount of water to cool down the processing to the flue gas, water after the cooling directly discharges after handling, thereby just lead to a large amount of water waste.

In order to solve the above problems, in the prior art, cooled water is recycled after being treated, for example, patent application CN111495139A discloses a wet desulfurization and denitrification device for high sulfur concentration flue gas, which comprises a treatment tower, wherein an air inlet pipe is arranged at the lower end of the treatment tower, an air outlet is arranged at the upper end of the treatment tower, a connecting pipe is arranged at the air outlet, one end of the connecting pipe, which is far away from the air outlet, is connected to an air inlet of a fan, an air outlet pipe is arranged at the air outlet of the fan, an observation window is arranged opposite to the treatment tower, a water tank is further arranged on one side of the treatment tower, the water tank is connected to a water outlet of the treatment tower through a water inlet component, a water pump is arranged on the water tank, a water inlet of the water pump is connected with the water tank through a water pipe, a spray component is arranged at the water outlet of the water pump, the spray component is arranged on the treatment tower, a flue gas treatment mechanism is further arranged on the inner side of the treatment tower, and the flue gas treatment mechanism is fixed on the treatment tower through a limiting mechanism; the working process of the device comprises the following steps: the high-sulfur-concentration flue gas enters the treatment tower through the gas inlet pipe, the fan works to enable the high-sulfur-concentration flue gas entering the treatment tower to flow upwards so as to carry out desulfurization and denitrification, and after the desulfurization and denitrification treatment, the high-sulfur-concentration flue gas enters the connecting pipe through the gas outlet pipe and is discharged from the gas outlet pipe; when the high-sulfur concentration flue gas flows upwards, the water pump works to pump out the water source in the water tank, and the water source is discharged into the spraying pipe through the main water outlet pipe and the water outlet pipe and is sprayed through the spray head; after absorbing water, the high-sulfur-concentration flue gas continues to flow upwards, and when the high-sulfur-concentration flue gas passes through the flue gas treatment mechanism, the high-sulfur-concentration flue gas is subjected to desulfurization and denitrification operations through a desulfurization and denitrification agent and a denitrification catalyst; the fixed emission and the spray water that the high sulfur concentration flue gas after handling formed all fall to in the inlet pipe, filter it through the filter screen, and the spray water passes through in the filter screen flows to the water tank, and fixed emission is because not discharging through arranging the material pipe discharge under the action of gravity of filter screen and self. The device can realize water recycling, but the treatment of a filter screen used for a long time is not considered, secondary pollution is caused to spray water after long-term use, and a common filter screen is easy to block.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power plant boiler denitration flue gas processing apparatus in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a power plant boiler denitration flue gas processing apparatus, includes reaction box, water pump, first water tank and second water tank, first water tank fixed mounting in the top of reaction box, 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 box, second water tank fixed mounting in the bottom of reaction box, the top of second water tank open and set up, the water inlet of water pump pass through pipeline and second water tank intercommunication, the delivery port of water pump pass through pipeline and first water tank intercommunication, the middle part side of reaction box be equipped with into the cigarette pipeline, the upper portion side of reaction box be equipped with out the cigarette pipeline.

Preferably, the treatment device further comprises a filter plate, and the filter plate is horizontally arranged on the second water tank.

Preferably, processing apparatus still including locating the clearance mechanism on the filter plate, clearance mechanism include horizontal pole, slider, scrape pole and transmission lead screw, the horizontal pole locate in the reaction box, the slider activity card locate the bottom of horizontal pole, the top and the slider fixed connection of scraping the pole, the bottom of scraping the pole contradict with the top surface of filter plate, the middle part of scraping the pole set up with the lead screw hole of transmission lead screw looks adaptation, the inner wall in lead screw hole set up the internal thread that corresponds with the external screw thread on the transmission lead screw, the transmission lead screw pass the lateral wall of reaction box after insert locate the lead screw downthehole.

Preferably, the bottom of the cross rod is provided with a sliding groove, and the sliding block is movably clamped in the sliding groove.

Preferably, the side surface of the reaction box is provided with a waste filtering discharge door, and the bottom surface of the waste filtering discharge door is the same as the horizontal height of the filter plate.

Preferably, the waste filtering discharge door is provided with a first compression spring, the top of the waste filtering discharge door is hinged with the side wall of the reaction box, the inner side wall of the reaction box is further provided with a discharge door auxiliary plate, the discharge door auxiliary plate is positioned above the waste filtering discharge door, one end of the first compression spring is connected with the inner side surface of the waste filtering discharge door, and the other end of the first compression spring is connected with the bottom surface of the discharge door auxiliary plate.

Preferably, two first compression springs are arranged on the waste filtering and discharging door.

Preferably, the treatment device further comprises a collecting box, the collecting box is arranged on the side face of the reaction box, and the collecting box is positioned below the filtered waste discharge door.

Preferably, a one-way valve is arranged in the smoke outlet pipeline.

Preferably, the check valve is a spring type valve.

Compared with the prior art, the utility model has the advantages of as follows:

(1) The device is equipped with filter plate and second water tank, can atomize the inside water conservancy diversion of second water tank to the inside of first water tank through the water pump, atomizes the inside water of first water tank through the atomising head and sprays to the inside of reaction box, fuses with the flue gas to cooling down and the dust fall effect to the flue gas, can filter the dust of aquatic through the filter plate simultaneously, the used repeatedly of being convenient for, effective water economy resource accomplishes the effective cooling of flue gas.

(2) The utility model discloses a be provided with and scrape pole and screw rod, through rotating the screw rod, drive and scrape the pole under the spacing of slider, the straight line slides to the left, clears up the rubbish on filter plate surface to avoid the filter plate to block up, and the cooperation sets up and strains useless discharge gate and collect garbage to the collecting box in, improve work efficiency, prevent to cause secondary pollution.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of the check valve of the present invention;

FIG. 3 is an enlarged schematic view of the cleaning mechanism of the present invention;

fig. 4 is a schematic top view of the cleaning mechanism of the present invention.

In the figure: 1. a reaction box; 2. a first water tank; 3. an atomizing head; 4. a one-way valve; 41. a valve plate; 42. a hinge plate; 43. a second compression spring; 5. a waste filtering discharge door; 6. a water pump; 7. a cleaning mechanism; 71. a cross bar; 72. A slider; 73. a scraping rod; 74. a transmission screw rod; 8. filtering the plate; 9. a second water tank; 10. a collection box; 11. a first compression spring; 12. the discharge door auxiliary plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.

Examples

The utility model provides a power plant boiler denitration flue gas processing apparatus, as shown in fig. 1 ~ 4, including reaction box 1, water pump 6, first water tank 2, second water tank 9,

filter plate

8, 2 fixed mounting in the top of reaction box 1 of first water tank, the bottom surface of first water tank 2 is equipped with a plurality of atomising heads 3, the play fog mouth of atomising head 3 is located reaction box 1, 9 fixed mounting in the bottom of reaction box 1 of second water tank, the open setting in top of second water tank 9, pipeline and 9 intercommunications of second water tank are passed through to the water inlet of water pump 6, pipeline and 2 intercommunications of first water tank are passed through to the delivery port of water pump 6, the middle part side of reaction box 1 is equipped with into cigarette pipeline, the upper portion side of reaction box 1 is equipped with out the cigarette pipeline, 8 levels of filter plate are located on second water tank 9. The dust in the water can be filtered through the filter plate 8, so that the water in the second water tank 9 can be reused, and the waste of water resources is avoided.

The treatment device further comprises a cleaning mechanism 7 arranged on the filter plate 8, the cleaning mechanism 7 comprises a cross rod 71, a sliding block 72, a scraping rod 73 and a transmission screw rod 74, the cross rod 71 is arranged in the reaction box 1, the sliding block 72 is movably clamped at the bottom of the cross rod 71, the top of the scraping rod 73 is fixedly connected with the sliding block 72, the bottom of the scraping rod 73 is abutted against the top surface of the filter plate 8, a screw rod hole matched with the transmission screw rod 74 is formed in the middle of the scraping rod 73, an internal thread corresponding to an external thread on the transmission screw rod 74 is formed in the inner wall of the screw rod hole, and the transmission screw rod 74 penetrates through the side wall of the reaction box 1 and then is inserted into the screw rod hole. In this embodiment, the bottom of the cross rod 71 is provided with a sliding groove, the sliding block 72 is movably clamped in the sliding groove to complete the movable connection between the cross rod 71 and the sliding block 72, and the sliding block 72 can prevent the scraping rod 73 from rotating in the moving process. During use, the screw 74 and the scraping rod 73 are matched with each other, so that dust on the surface of the filter plate 8 can be cleaned conveniently, and the filter plate 8 is prevented from being blocked.

The side of the reaction box 1 is provided with a filtering waste discharge door 5, and the bottom surface of the filtering waste discharge door 5 is the same as the horizontal height of the filter plate 8. The waste filtering discharge door 5 is provided with a first compression spring 11, the top of the waste filtering discharge door 5 is hinged with the side wall of the reaction box 1, the inner side wall of the reaction box 1 is further provided with a discharge door auxiliary plate 12, the discharge door auxiliary plate 12 is positioned above the waste filtering discharge door 5, one end of the first compression spring 11 is connected with the inner side surface of the waste filtering discharge door 5, and the other end of the first compression spring is connected with the bottom surface of the discharge door auxiliary plate 12. Two first compression springs 11 are arranged on the waste filtering discharge door 5. First compression spring 11 is equipped with two, and the slope sets up, and the effectual first spring 11 of avoiding warp, prevents that first spring 11 can't reset and use. The filtering waste discharging door 5 can only rotate towards the inside of the reaction box 1 after being hinged with the side wall of the reaction box 1.

The treatment device further comprises a collecting box 10, the collecting box 10 is arranged on the side face of the reaction box 1, the collecting box 10 is positioned below the waste filtering discharge door 5, and after the cleaning mechanism 7 cleans dust, the waste filtering discharge door is opened to place the dust and waste materials into the collecting box 10.

The utility model discloses an among the embodiment, be equipped with check valve 4 in the cigarette outlet pipe way, its check valve 4 is spring type valve. In this embodiment, in order to further explain the structure of the check valve 4, the check valve 4 includes two valve plates 41, two second compression springs 43 are disposed on the outer side of each valve plate 41, one end of each second compression spring 43 is fixedly connected to the inner wall of the smoke outlet pipeline, the other end of each second compression spring 43 is fixedly connected to the valve plate 41, the valve plate 41 is hinged to the inner wall of the smoke outlet pipeline, the hinge form is as shown in fig. 2, the valve plate 41 rotates towards the direction close to or away from the second compression spring 43, and the maximum angle between the valve plate 41 and the inner wall of the smoke outlet pipeline is 90 degrees.

The working principle is as follows: during the use, the flue gas gets into reaction box 1 from advancing the cigarette pipeline, water pump 6 is through external power source circular telegram, water pump 6 carries the inside water of second water tank 9 to the inside of first water tank 2, atomize through atomising head 3 and spray to the inside of reaction box 1, cool down and the dust fall effect to the flue gas, when the inside amasss with a large amount of flue gas of reaction box 1, the inside atmospheric pressure of reaction box 1 increases, through going out the tobacco pipe way, check valve 4 discharges the flue gas, when the inside of reaction box 1 needs to be cleared up, manual rotation screw rod 74, screw rod 74 rotates to drive and scrapes pole 73 and slides to the left side at the bottom straight line of horizontal pole 71 through slider 72, clear up the dust on 8 surfaces through scraping pole 73, inwards push away and strain useless discharge door 5, the waste material that produces will filter, the inside of collecting box 10 is put into in to the dust collection.

The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.

Claims

1. The utility model provides a power station boiler denitration flue gas processing apparatus, characterized in that, including reaction box (1), water pump (6), first water tank (2) and second water tank (9), first water tank (2) fixed mounting in the top of reaction box (1), the bottom surface of first water tank (2) be equipped with a plurality of atomising heads (3), the play fog mouth of atomising head (3) be located reaction box (1), second water tank (9) fixed mounting in the bottom of reaction box (1), the top of second water tank (9) open the setting, the water inlet of water pump (6) communicate with second water tank (9) through the pipeline, the delivery port of water pump (6) communicate with first water tank (2) through the pipeline, the middle part side of reaction box (1) be equipped with into the cigarette pipeline, the upper portion side of reaction box (1) be equipped with out the cigarette pipeline;

the treatment device further comprises a filter plate (8) and a cleaning mechanism (7) arranged on the filter plate (8), the filter plate (8) is horizontally arranged on the second water tank (9), the cleaning mechanism (7) comprises a cross rod (71), a sliding block (72), a scraping rod (73) and a transmission screw rod (74), the cross rod (71) is arranged in the reaction box (1), the sliding block (72) is movably clamped at the bottom of the cross rod (71), the top of the scraping rod (73) is fixedly connected with the sliding block (72), the bottom of the scraping rod (73) is abutted against the top surface of the filter plate (8), a screw rod hole matched with the transmission screw rod (74) is formed in the middle of the scraping rod (73), an internal thread corresponding to an external thread on the transmission screw rod (74) is formed in the inner wall of the screw rod hole, and the transmission screw rod (74) penetrates through the side wall of the reaction box (1) and then is inserted into the screw rod hole;

the side surface of the reaction box (1) is provided with a waste filtering discharge door (5), and the bottom surface of the waste filtering discharge door (5) is the same as the horizontal height of the filter plate (8).

2. The denitration flue gas treatment device for the power station boiler as claimed in claim 1, wherein the bottom of the cross bar (71) is provided with a chute, and the sliding block (72) is movably clamped in the chute.

3. The denitration flue gas treatment device for the power station boiler according to claim 1, wherein the waste filtering discharge door (5) is provided with a first compression spring (11), the top of the waste filtering discharge door (5) is hinged with the side wall of the reaction box (1), the inner side wall of the reaction box (1) is further provided with a discharge door auxiliary plate (12), the discharge door auxiliary plate (12) is positioned above the waste filtering discharge door (5), one end of the first compression spring (11) is connected with the inner side surface of the waste filtering discharge door (5), and the other end is connected with the bottom surface of the discharge door auxiliary plate (12).

4. The denitration flue gas treatment device of the utility boiler according to claim 3, wherein two first compression springs (11) are arranged on the waste filtering discharge door (5).

5. The denitration flue gas treatment device for the power station boiler as claimed in claim 1, wherein the treatment device further comprises a collection box (10), the collection box (10) is arranged on the side surface of the reaction box (1), and the collection box (10) is positioned below the waste filtering discharge door (5).

6. The denitration flue gas treatment device for the power station boiler as claimed in claim 1, wherein a one-way valve (4) is arranged in the flue gas outlet pipeline.

7. The denitration flue gas treatment device for the power station boiler as claimed in claim 6, wherein the check valve (4) is a spring type valve.