CN219355840U

CN219355840U - Flue gas denitration ammonia spraying device

Info

Publication number: CN219355840U
Application number: CN202320698022.4U
Authority: CN
Inventors: 李金光; 王存彬; 肖海英; 杨忠
Original assignee: Shandong Chenyue Energy Saving Technology Co ltd
Current assignee: Shandong Chenyue Energy Saving Technology Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-07-18
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a flue gas denitration ammonia spraying device which comprises a denitration box, wherein an air inlet pipe penetrates through and is fixedly connected with the middle position of the left outer wall of the denitration box, an air outlet pipe penetrates through and is fixedly connected with the middle position of the right outer wall of the denitration box, a drain pipe penetrates through and is fixedly connected with the middle position of the bottom of the denitration box, a motor is fixedly connected with the middle position of the front outer wall of the denitration box, a water inlet pipe penetrates through and is fixedly connected with the middle position of the left top of the denitration box, and a rotating shaft is fixedly connected with the front end of the motor. According to the utility model, solid particles in the flue gas are filtered through the air inlet filter screen arranged in the air inlet pipe, so that solid particle impurities are prevented from entering the denitration box, and meanwhile, the flue gas can be guided after being reacted through linkage among the motor, the rotating shaft, the blades and the rotating shaft, so that the flue gas is prevented from always existing in the denitration box.

Description

Flue gas denitration ammonia spraying device

Technical Field

The utility model relates to the technical field of flue gas treatment, in particular to a flue gas denitration ammonia spraying device.

Background

With the increasingly strict control of pollutant emission indexes of industrial flue gas in China and places, the treatment problems of flue gas pollutants in the domestic petroleum and petrochemical industry, the metal smelting industry, the coal chemical industry and the like are more and more prominent, the requirements of the China on the treatment of atmospheric pollutants are more and more stringent, the national environmental protection department makes regulations on pollution sources, and particularly, the smoke dust, sulfur dioxide and nitrogen oxides are required to reach the standard of ultralow emission, and meanwhile, a denitration device is required to filter harmful substances in the flue gas in the process of treating the flue gas pollutants, so that the nitrogen oxides in the flue gas reach the emission standard regulated by the China.

At present, the existing denitration ammonia spraying device contains a large amount of solid particle impurities in discharged flue gas in the using process, when the impurities enter the denitration ammonia spraying device, the spray head of the ammonia spraying device is easy to damage, and meanwhile, when the flue gas enters the denitration device, the flue gas cannot be guided, so that the flue gas is caused to be discharged in a denitration device in a timely manner, and the existing denitration ammonia spraying device needs to be improved.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a flue gas denitration ammonia spraying device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a flue gas denitration spouts ammonia device, includes the denitration case, the left side outer wall intermediate position of denitration case runs through and fixedly connected with intake pipe, the right side outer wall intermediate position of denitration case runs through and fixedly connected with outlet duct, the bottom intermediate position of denitration case runs through and fixedly connected with drain pipe, the front end outer wall intermediate position fixedly connected with motor of denitration case, the left side top intermediate position of denitration case runs through and fixedly connected with inlet tube, the front end fixedly connected with pivot of motor, the outer wall intermediate position of pivot runs through and fixedly connected with rotor, rotor outer wall fixedly connected with evenly distributed's blade, the inside middle partial right side position fixedly connected with filter screen that admits air of intake pipe, the inside right side intermediate position fixedly connected with filter screen that gives vent to anger of outlet duct, the front end of inlet tube runs through and fixedly connected with shower nozzle.

As a further description of the above technical solution:

the bottom fixedly connected with supporting seat of denitration case.

As a further description of the above technical solution:

the front end of the rotating roller penetrates through the denitration box and is rotationally connected with the denitration box.

As a further description of the above technical solution:

the middle position of the outer wall of the water inlet pipe penetrates through and is provided with a water pump.

As a further description of the above technical solution:

the middle position of the bottom of the air outlet pipe penetrates through and is fixedly connected with a second slag discharging pipe.

As a further description of the above technical solution:

the middle position of the bottom of the air inlet pipe penetrates through and is fixedly connected with a first slag discharging pipe.

The utility model has the following beneficial effects:

according to the utility model, firstly, solid particles in the flue gas are filtered through the air inlet filter screen arranged in the air inlet pipe, so that solid particle impurities are prevented from entering the denitration box, meanwhile, through linkage among the motor, the rotating shaft, the blades and the rotating shaft, the flue gas can be guided after reaction, the flue gas is prevented from always existing in the denitration box, and meanwhile, the reacted flue gas is filtered for the second time through the air outlet filter screen arranged in the air outlet pipe, so that fine solid particles in the flue gas are prevented from being discharged from the air outlet pipe.

Drawings

FIG. 1 is a perspective view of a flue gas denitration ammonia injection device provided by the utility model;

FIG. 2 is an exploded view of a flue gas denitration ammonia injection device according to the present utility model;

fig. 3 is a cross-sectional view of a flue gas denitration ammonia injection device provided by the utility model.

Legend description:

1. a denitration box; 2. a drain pipe; 3. a second slag discharging pipe; 4. a gas outlet filter screen; 5. an air outlet pipe; 6. a rotating shaft; 7. a motor; 8. a blade; 9. a rotating roller; 10. a water inlet pipe; 11. a water pump; 12. a spray head; 13. an air inlet filter screen; 14. an air inlet pipe; 15. a first slag discharge pipe; 16. and a supporting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a flue gas denitration ammonia spraying device, including denitration case 1, the left side outer wall intermediate position of denitration case 1 runs through and fixedly connected with intake pipe 14, flue gas enters into denitration case 1 through intake pipe 14, the right side outer wall intermediate position of denitration case 1 runs through and fixedly connected with outlet duct 5, the bottom intermediate position of denitration case 1 runs through and fixedly connected with drain pipe 2, simultaneously the aqueous ammonia after the reaction is discharged to the outside of denitration case 1 through drain pipe 2, the front end outer wall intermediate position fixedly connected with motor 7 of denitration case 1, the left side top intermediate position of denitration case 1 runs through and fixedly connected with inlet tube 10, simultaneously with inlet tube 10 being connected to outside aqueous ammonia holding vessel, the front end fixedly connected with pivot 6 of motor 7, the outer wall intermediate position of pivot 6 runs through and fixedly connected with rotor 9, simultaneously motor 7 starts, the motor 7 is started to drive the front end to be fixedly connected with the rotating shaft 6 to rotate, and simultaneously drives the rotating roller 9 to rotate, the outer wall of the rotating roller 9 is fixedly connected with evenly distributed blades 8, the evenly distributed blades 8 are arranged on the rotating roller 9, the rotation of the blades 8 guides the flue gas in the denitration box 1, the flue gas after reaction in the denitration box 1 is discharged from the air outlet pipe 5, the air inlet filter screen 13 is fixedly connected to the middle right side position inside the air inlet pipe 14, the air inlet filter screen 13 arranged in the air inlet pipe 14 can filter solid particle impurities mixed in the flue gas, the air outlet filter screen 4 is fixedly connected to the middle right side inside the air outlet pipe 5, the air outlet filter screen 4 arranged in the air outlet pipe 5 performs secondary filtration on the reacted flue gas, the residual solid impurities in the flue gas are prevented from being discharged, the front end of the air inlet pipe 10 penetrates through and is fixedly connected with the spray head 12, the spray head 12 sprays ammonia water, the ammonia water fully reacts sulfur dioxide and nitrogen oxides in the flue gas.

The bottom fixedly connected with supporting seat 16 of denitration case 1, the front end of rotor 9 runs through denitration case 1 and rotates between with denitration case 1 to be connected, the outer wall intermediate position of inlet tube 10 runs through and is provided with water pump 11, when the flue gas enters into denitration case 1, water pump 11 starts, the aqueous ammonia suction in the aqueous ammonia holding vessel, enter into shower nozzle 12 through inlet tube 10, the bottom intermediate position of outlet duct 5 runs through and fixedly connected with second scum pipe 3, impurity that filters down on outlet duct 5 is discharged through second scum pipe 3, avoid impurity to exist in denitration case 1, the bottom intermediate position of intake pipe 14 runs through and fixedly connected with first scum pipe 15, solid particle impurity after the filtration is discharged through first scum pipe 15 simultaneously.

Working principle: firstly, when using this device, the flue gas enters into denitration case 1 through intake pipe 14, simultaneously with inlet tube 10 being connected to outside ammonia water holding vessel, the solid particle impurity that mixes in the flue gas can be filtered to the air inlet filter screen 13 that sets up in intake pipe 14, solid particle impurity after the filtration discharges through first scum pipe 15 simultaneously, when the flue gas enters into denitration case 1, water pump 11 starts, the ammonia water suction in the ammonia water holding vessel, enter into shower nozzle 12 through inlet tube 10, shower nozzle 12 is with the ammonia water blowout, the ammonia water carries out abundant reaction to sulfur dioxide and nitrogen oxide in the flue gas, simultaneously motor 7 starts, motor 7's start-up drives front end fixedly connected with pivot 6 and rotates, drive the rotation of rotor 9 simultaneously, be provided with evenly distributed's blade 8 on rotor 9, the rotation of blade 8 carries out the water conservancy diversion to the flue gas in the denitration case 1, discharge from outlet duct 5 after the flue gas after the reaction in the denitration case 1, simultaneously the filter screen 4 that sets up carries out secondary filtration to the after the reaction, avoid remaining solid impurity in the flue gas to discharge, simultaneously, discharge through the drain pipe 2 after the reaction, discharge through the outlet duct 2 to the outside impurity 3 through the denitration case 1 after the reaction, the filter screen 3 has been discharged to the outside impurity through the outlet duct 1.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a flue gas denitration spouts ammonia device, includes denitration case (1), its characterized in that: the middle position of the left outer wall of the denitration box (1) is penetrated and fixedly connected with an air inlet pipe (14), the middle position of the right outer wall of the denitration box (1) is penetrated and fixedly connected with an air outlet pipe (5), the middle position of the bottom of the denitration box (1) is penetrated and fixedly connected with a drain pipe (2), the middle position of the front outer wall of the denitration box (1) is fixedly connected with a motor (7), the middle position of the left top of the denitration box (1) is penetrated and fixedly connected with a water inlet pipe (10), the front end fixedly connected with pivot (6) of motor (7), the outer wall intermediate position of pivot (6) runs through and fixedly connected with rotor (9), rotor (9) outer wall fixedly connected with evenly distributed's blade (8), the inside middle of intake pipe (14) is inclined to the right side position fixedly connected with filter screen (13) that admits air, the inside right side intermediate position fixedly connected with filter screen (4) that give vent to anger of outlet duct (5), the front end of inlet tube (10) runs through and fixedly connected with shower nozzle (12).

2. The flue gas denitration ammonia injection device according to claim 1, wherein: the bottom of the denitration box (1) is fixedly connected with a supporting seat (16).

3. The flue gas denitration ammonia injection device according to claim 1, wherein: the front end of the rotating roller (9) penetrates through the denitration box (1) and is rotationally connected with the denitration box (1).

4. The flue gas denitration ammonia injection device according to claim 1, wherein: the middle position of the outer wall of the water inlet pipe (10) penetrates through and is provided with a water pump (11).

5. The flue gas denitration ammonia injection device according to claim 1, wherein: the middle position of the bottom of the air outlet pipe (5) penetrates through and is fixedly connected with a second slag discharging pipe (3).

6. The flue gas denitration ammonia injection device according to claim 1, wherein: the middle position of the bottom of the air inlet pipe (14) penetrates through and is fixedly connected with a first slag discharging pipe (15).