CN217449597U

CN217449597U - Novel SNCR flue gas denitration system dilutes measurement distribution on line device

Info

Publication number: CN217449597U
Application number: CN202220449005.2U
Authority: CN
Inventors: 曹升华; 曹昉楠; 蒋鹏
Original assignee: Jiangsu Aoxiang Environmental Protection Energy Co ltd
Current assignee: Jiangsu Aoxiang Environmental Protection Energy Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-09-20
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a novel SNCR flue gas denitration system online dilution metering distributor, including the installation storehouse, the both sides at installation storehouse top are provided with the mounting bracket, the both sides at installation storehouse top are provided with raw material storehouse, the middle part at installation storehouse top is provided with the dilution subassembly, the bottom of installation storehouse inside is provided with electric putter, electric putter's output is provided with the push pedal, the top of the inside both sides of installation storehouse is provided with the distribution subassembly; the utility model discloses a dilute mutually between storehouse, water pump, puddler A, connecting pipe, puddler B, ratio storehouse, motorised valve, water pipe, water valve, bevel gear A, bevel gear B, bevel gear C and the motor for the device can draw a small amount of liquid earlier and adjust the distribution proportion of aqueous ammonia and dilute solution in the ratio storehouse before diluting the aqueous ammonia, in order to prevent that the aqueous ammonia from diluting the proportion problem, causes the waste of a large amount of materials.

Description

Novel SNCR flue gas denitration system dilutes measurement distribution on line device

Technical Field

The utility model relates to a flue gas denitration technical field specifically is novel SNCR flue gas denitration system dilutes measurement distributor on line.

Background

The SNCR denitration method is a method for removing NOx in flue gas by selectively carrying out chemical reaction on a reducing agent and nitrogen oxide in the flue gas under the condition of not needing a catalyst to generate harmless nitrogen and water, and ammonia water needs to be diluted into specified concentration for use in order to ensure the impulsive force of liquid injection during denitration;

some problems still exist with the existing devices: 1. when the existing device is used for diluting the reducing agent, a small amount of solution is inconvenient to extract firstly to prepare a proper dilution ratio, when the preparation ratio is in problem, a large amount of materials are wasted, the mixing effect of the device on the reducing agent is poor, and the solution may be mixed unevenly; 2. when the existing device is used for adjusting the distribution amount of the solution, the operation is complex, the quantity of the reducing agent is difficult to quantify, and the operation convenience of workers is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel SNCR flue gas denitration system dilutes measurement distribution device on line to propose current problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: novel SNCR flue gas denitration system dilutes measurement distributor on line, including the installation storehouse, the both sides at installation storehouse top are provided with the mounting bracket, the both sides at installation storehouse top are provided with former feed bin, the middle part at installation storehouse top is provided with the storehouse of diluting, the middle part at installation storehouse top is provided with the dilution subassembly, the inside bottom in installation storehouse is provided with electric putter, electric putter's output is provided with the push pedal, the top of the inside both sides in installation storehouse is provided with the distribution subassembly.

Preferably, the dilution component comprises a water pump, a stirring rod A, connecting pipes, a stirring rod B, a proportioning bin, an electric valve, a water pipe, a water valve, a bevel gear A, a bevel gear B, a bevel gear C and a motor, the proportioning bin is positioned in the middle of the top of the mounting frame, the stirring rod A is sleeved in the middle of the bottom inside the dilution bin, the top of the stirring rod A extends to the outer side of the dilution bin and is provided with the bevel gear B, the stirring rod B is sleeved in the middle of the top inside the proportioning bin, the bottom of the stirring rod B penetrates through the inner side of the mounting frame and is provided with the bevel gear A, one side of the top of the dilution bin is provided with the motor, the output end of the motor is provided with the bevel gear C meshed with the bevel gear A and the bevel gear B, the two sides of the top of the mounting frame, which are close to the raw material bin, the output ends of the two groups of the water pumps are provided with the connecting pipes communicated with the proportioning bin, two sets of the connecting pipe outside is provided with the motorised valve near one side in ratio storehouse, one side in ratio storehouse bottom is provided with the water pipe that is linked together with diluting the storehouse, the middle part in the water pipe outside is provided with the water valve, when the aqueous ammonia dilutes, can carry out the secondary and stir the mixture.

Preferably, the distribution subassembly includes threaded rod, internal thread piece, metering tube, piston, inlet pipe, check valve A, mounting panel, check valve B and discharging pipe, the mounting panel is located the top of the inside both sides in installation storehouse, the inboard of mounting panel is provided with four groups metering tube, four groups the threaded rod is pegged graft in the bottom slip of metering tube, four groups the top of threaded rod is provided with the piston with metering tube matched with, four groups the bottom threaded connection in the threaded rod outside has the internal thread piece, four groups the top of metering tube is provided with the inlet pipe that is linked together with the dilution storehouse, the bottom in the inlet pipe outside is provided with check valve A, four groups the one end of metering tube is provided with the discharging pipe, the one end in the discharging pipe outside is provided with check valve B, can carry out the ration to the reductant according to the demand.

Preferably, the bottom of ratio storehouse one end is provided with the fluid-discharge tube, and the one end in the fluid-discharge tube outside is provided with out the liquid valve, can discharge ratio storehouse ratio liquid, and the staff of being convenient for looks over whether qualified degree of dilution.

Preferably, the bottom of the inside both sides in installation storehouse is provided with the spout, and the inboard sliding connection of two sets of spouts has the slider, and one side that two sets of sliders are close to the push pedal is connected with the push pedal for lead the push pedal.

Preferably, the top of push pedal is provided with four groups and threaded rod matched with through-holes, the bottom of threaded rod passes in the through-hole and is sliding connection with the through-hole and cooperatees, the middle part in the threaded rod outside is provided with the stopper with push pedal matched with, can promote the threaded rod after push pedal and stopper contact.

Compared with the prior art, the beneficial effects of the utility model are that: the novel SNCR flue gas denitration system online dilution metering distribution device;

1. through the mutual matching between the dilution bin, the water pump, the stirring rod A, the connecting pipe, the stirring rod B, the proportioning bin, the electric valve, the water pipe, the water valve, the bevel gear A, the bevel gear B, the bevel gear C and the motor, the device can extract a small amount of liquid in the proportioning bin to adjust the distribution proportion of the ammonia water and the diluted solution before diluting the ammonia water, so as to prevent the problem of the dilution proportion of the ammonia water and the waste of a large amount of materials, and after the solution proportion is adjusted subsequently, the solution can be premixed in the proportioning bin when diluted and then enters the dilution bin for secondary mixing, so that the mixing effect when the ammonia water is diluted is improved, and the occurrence of the condition of uneven mixing can be prevented;

2. through mutually supporting between electric putter, push pedal, threaded rod, internal thread piece, metering tube, piston, inlet pipe, check valve A, mounting panel, check valve B and the discharging pipe for the device can be adjusted according to the demand, and the position of internal thread piece changes the solution distribution volume in each group's metering tube, carries out the ration to reducing agent solution, and it is very convenient to adjust the operation, has promoted staff's simple operation nature.

Drawings

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

Fig. 2 is a side view of the cross-sectional view of the present invention.

Fig. 3 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. installing a bin; 2. an electric push rod; 3. pushing the plate; 4. a threaded rod; 5. an internal thread block; 6. a metering tube; 7. a piston; 8. a dilution bin; 9. a mounting frame; 10. a raw material bin; 11. a water pump; 12. a stirring rod A; 13. a feed pipe; 14. a one-way valve A; 15. mounting a plate; 16. a connecting pipe; 17. a stirring rod B; 18. proportioning bins; 19. an electrically operated valve; 20. a water pipe; 21. a water valve; 22. a bevel gear A; 23. a bevel gear B; 24. a bevel gear C; 25. a motor; 26. a check valve B; 27. and (4) a discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: the novel SNCR flue gas denitration system online dilution metering distribution device comprises an installation bin 1, sliding grooves are formed in the bottoms of two sides inside the installation bin 1, sliding blocks are connected to the inner sides of the two sliding grooves in a sliding mode, one sides, close to the push plate 3, of the two sliding blocks are connected with the push plate 3 and used for guiding the push plate 3, mounting frames 9 are arranged on two sides of the top of the installation bin 1, raw material bins 10 are arranged on two sides of the top of the mounting frames 9, a dilution bin 8 is arranged in the middle of the top of the installation bin 1, a dilution assembly is arranged in the middle of the top of the mounting frames 9 and comprises a water pump 11, a stirring rod A12, a connecting pipe 16, a stirring rod B17, a proportioning bin 18, an electric valve 19, a water pipe 20, a water valve 21, a bevel gear A22, a bevel gear B23, a bevel gear C24 and a motor 25, the proportioning bin 18 is located in the middle of the top of the installation bin 9, a liquid discharge pipe is arranged at the bottom of one end of the proportioning bin 18, and a liquid discharge valve is arranged at one end outside the liquid discharge pipe, the proportioning liquid in the proportioning bin 18 can be discharged, so that the staff can conveniently check whether the dilution degree is qualified;

the middle part of the bottom inside the diluting bin 8 is sleeved with a stirring rod A12, the top of the stirring rod A12 extends to the outer side of the diluting bin 8 and is provided with a bevel gear B23, the middle part of the top inside the proportioning bin 18 is sleeved with a stirring rod B17, the bottom of the stirring rod B17 penetrates through the inner side of the mounting rack 9 and is provided with a bevel gear A22, one side of the top of the diluting bin 8 is provided with a motor 25, the output end of the motor 25 is provided with a bevel gear C24 meshed with a bevel gear A22 and a bevel gear B23, two sides of the top of the mounting rack 9, which are close to the raw material bin 10, are provided with water pumps 11, the output ends of the two groups of water pumps 11 are provided with connecting pipes 16 communicated with the proportioning bin 18, one sides of the outer sides of the two groups of connecting pipes 16, which are close to the proportioning bin 18, are provided with an electric valve 19, one side of the bottom of the proportioning bin 18 is provided with a water pipe 20, the middle part of the outer side of the water pipe 20 is provided with a water valve 21, when ammonia water is diluted, secondary stirring and mixing can be carried out, an electric push rod 2 is arranged at the bottom inside the installation bin 1, a push plate 3 is arranged at the output end of the electric push rod 2, four groups of through holes matched with a threaded rod 4 are formed in the top of the push plate 3, and the bottom of the threaded rod 4 penetrates through the through holes and is matched with the through holes in a sliding connection mode;

the middle part of the outer side of the threaded rod 4 is provided with a limiting block matched with the push plate 3, the threaded rod 4 can be pushed after the push plate 3 is contacted with the limiting block, the tops of two sides in the installation bin 1 are provided with distribution components, each distribution component comprises a threaded rod 4, an inner threaded block 5, measuring tubes 6, a piston 7, a feeding tube 13, a one-way valve A14, an installation plate 15, a one-way valve B26 and a discharging tube 27, the installation plate 15 is positioned at the tops of two sides in the installation bin 1, the inner side of the installation plate 15 is provided with four groups of measuring tubes 6, the bottoms of the four groups of measuring tubes 6 are slidably inserted with the threaded rods 4, the tops of the four groups of threaded rods 4 are provided with the pistons 7 matched with the measuring tubes 6, the bottoms of the outer sides of the four groups of threaded rods 4 are in threaded connection with the inner threaded blocks 5, the tops of the four groups of measuring tubes 6 are provided with feeding tubes 13 communicated with the dilution bin 8, the bottoms of the outer sides of the feeding tubes 13 are provided with the one-way valves A14, the discharge pipes 27 are arranged at one ends of the four groups of metering pipes 6, the one-way valves B26 are arranged at one ends of the outer sides of the discharge pipes 27, and the reducing agents can be quantitatively distributed according to requirements.

The working principle is as follows: when the device is used, firstly, ammonia water and a diluted solution can be extracted from two groups of raw material bins 10 through a water pump 11, the solution can be conveyed into a proportioning bin 18 through the diversion of a connecting pipe 16, the proportion of the ammonia water and the diluted solution can be respectively adjusted through an electric valve 19, at the moment, a water valve 21 is in a closed state, a worker can adjust the dilution degree of the ammonia water in the proportioning bin 18, then a motor 25 is started to control a bevel gear C24 to rotate, and further, the bevel gear A22 and the bevel gear B23 which are meshed with the bevel gear C24 can be driven to rotate, so that a stirring rod A12 and a stirring rod B17 rotate, the solution in the proportioning bin 18 can be stirred and mixed when a stirring rod B17 rotates, a liquid outlet valve is opened, the solution in the proportioning bin 18 can be discharged from a liquid discharge pipe, the detection of the dilution degree of the solution by the worker is convenient, after the dilution proportion of the ammonia water is adjusted, at the moment, the solution in the proportioning bin 18 can flow into the diluting bin 8 through the water pipe 20, and then the subsequent ammonia water and the diluted solution can firstly flow into the proportioning bin 18 according to the adjusted proportion, are premixed through the stirring rod B17, and then flow into the diluting bin 8 to be secondarily mixed through the stirring rod A12, so that the mixing uniformity of the device in the ammonia water diluting process is improved;

when diluted ammonia water is distributed, the electric push rod 2 can be started, the push plate 3 can be controlled to move up and down repeatedly through the electric push rod 2, when the push plate 3 descends, the push plate 3 is contacted with the internal thread block 5, the threaded rod 4 can be pulled to move down, the threaded rod 4 drives the piston 7, the diluted liquid in the dilution bin 8 can be pumped into the metering pipe 6 under the flow guide of the feeding pipe 13 for quantitative distribution, at the moment, the liquid can be circulated from the one-way valve A14, the discharging pipe 27 can be sealed by the one-way valve B26, when the push plate 3 ascends and is contacted with a limited block, the threaded rod 4 can be pushed to enable the piston 7 to ascend, at the moment, the liquid can be conveyed into the spray gun through the discharging pipe 27 by the circulation of the one-way valve B26, the feeding pipe 13 can be sealed by the one-way valve A14, when the liquid distribution amount in each metering pipe 6 needs to be adjusted, the internal thread block 5 can move up and down by rotating, adjust the clearance between push pedal 3 and the internal thread piece 5, can change the home range of piston 7 to adjust the distribution proportion, through observation window and the scale bar of 6 one sides of metering tube, be convenient for measure solution.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Claims

1. Novel SNCR flue gas denitration system dilutes measurement distributor on line, including installation storehouse (1), its characterized in that: the utility model discloses a material distribution device, including installation bin (1), mounting bracket (9), the both sides at installation bin (1) top are provided with mounting bracket (9), the both sides at mounting bracket (9) top are provided with former feed bin (10), the middle part at installation bin (1) top is provided with dilutes storehouse (8), the middle part at mounting bracket (9) top is provided with dilutes the subassembly, the inside bottom of installation bin (1) is provided with electric putter (2), the output of electric putter (2) is provided with push pedal (3), the top of the inside both sides of installation bin (1) is provided with the distribution subassembly.

2. The novel SNCR flue gas denitration system online dilution metering distribution device of claim 1, characterized in that: the diluting component comprises a water pump (11), a stirring rod A (12), a connecting pipe (16), a stirring rod B (17), a proportioning bin (18), an electric valve (19), a water pipe (20), a water valve (21), a bevel gear A (22), a bevel gear B (23), a bevel gear C (24) and a motor (25), wherein the proportioning bin (18) is positioned in the middle of the top of the mounting rack (9), the stirring rod A (12) is sleeved in the middle of the bottom inside the diluting bin (8), the top of the stirring rod A (12) extends to the outer side of the diluting bin (8) and is provided with the bevel gear B (23), the stirring rod B (17) is sleeved in the middle of the top inside the proportioning bin (18), the bottom of the stirring rod B (17) penetrates through the inner side of the mounting rack (9) and is provided with the bevel gear A (22), the motor (25) is arranged on one side of the top of the diluting bin (8), the output of motor (25) is provided with bevel gear C (24) with bevel gear A (22) and bevel gear B (23) engaged with, the both sides that mounting bracket (9) top is close to former feed bin (10) are provided with water pump (11), and are two sets of the output of water pump (11) is provided with connecting pipe (16) that are linked together with ratio storehouse (18), and is two sets of one side that the ratio storehouse (18) is close to in connecting pipe (16) outside is provided with motorised valve (19), one side of ratio storehouse (18) bottom is provided with water pipe (20) that are linked together with dilution storehouse (8), the middle part in water pipe (20) outside is provided with water valve (21).

3. The novel SNCR flue gas denitration system online dilution metering distribution device of claim 1, characterized in that: the distribution assembly comprises a threaded rod (4), an internal thread block (5), metering tubes (6), pistons (7), a feeding tube (13), a check valve A (14), a mounting plate (15), a check valve B (26) and a discharging tube (27), the mounting plate (15) is positioned at the tops of two sides in the mounting bin (1), the inner side of the mounting plate (15) is provided with four groups of metering tubes (6), the bottoms of the four groups of metering tubes (6) are slidably inserted into the threaded rod (4), the tops of the four groups of threaded rods (4) are provided with the pistons (7) matched with the metering tubes (6), the bottom of the outer side of the four groups of threaded rods (4) is in threaded connection with the internal thread block (5), the tops of the four groups of metering tubes (6) are provided with the feeding tubes (13) communicated with a dilution bin (8), the bottom of the outer side of the feeding tube (13) is provided with the check valve A (14), discharge pipes (27) are arranged at one ends of the four groups of metering pipes (6), and one-way valves B (26) are arranged at one ends of the outer sides of the discharge pipes (27).

4. The novel SNCR flue gas denitration system online dilution metering distribution device of claim 2, characterized in that: a liquid discharge pipe is arranged at the bottom of one end of the proportioning bin (18), and a liquid outlet valve is arranged at one end of the outer side of the liquid discharge pipe.

5. The novel SNCR flue gas denitration system online dilution metering distribution device of claim 1, characterized in that: the bottom of the two sides inside the installation bin (1) is provided with sliding grooves, the sliding blocks are connected to the inner sides of the two groups of sliding grooves in a sliding mode, and one sides, close to the push plates (3), of the two groups of sliding blocks are connected with the push plates (3).

6. The novel SNCR flue gas denitration system online dilution metering distribution device of claim 1, characterized in that: the top of push pedal (3) is provided with four groups and threaded rod (4) matched with through-holes, the bottom of threaded rod (4) passes in the through-hole and is sliding connection with the through-hole and cooperatees, the middle part in threaded rod (4) outside is provided with the stopper with push pedal (3) matched with.