CN216726256U - Safe denitrification facility in coal production process - Google Patents

Abstract

The utility model belongs to the technical field of coal denitration device, and a safe denitrification facility in coal production process is disclosed, the on-line screen storage device comprises a base, the top fixed mounting of base has the casing, the left end fixed mounting of casing has the intake pipe, the inside movable mounting of casing has the frame, the filter screen has been cup jointed in the inside activity of frame. The utility model discloses a set up the filter screen, first spring and fixed block, first spring is in elasticity tensile state this moment, when the staff stimulates the motion pole right, will drive motion pole and fly leaf and together move right, the motion pole will break away from with the fixed block emergence, the fixed action to the fixed block has been removed, because the elasticity recovering action of first spring this moment, will apply a power of rightwards to the frame, make the frame drive the filter screen and move right, thereby be convenient for change the operation to the filter screen, staff's operating efficiency has been improved.

Description

Safe denitrification facility in coal production process

Technical Field

The utility model belongs to the technical field of coal denitration equipment, specifically a safe denitrification facility in coal production process.

Background

Coal can produce a large amount of toxic gases after the burning, for example oxynitride etc. for prevent to produce too much oxynitride polluted environment in the boiler coal burning after, should carry out denitration treatment to the coal, denitration divide into denitration before the burning, burning process denitration, three main mode of denitration after the burning, because the denitration technique of before the burning with the burning process is comparatively more ripe, and the denitration technique after the burning has some drawbacks, consequently improves to denitration after the burning.

At present, the enterprise is carrying out the production in-process to coal, generally need carry out denitration treatment to coal, generally adopt earlier to burn coal, carry out denitration operation to the gas after burning again, when carrying out denitration treatment to gas, can cooperate the filter screen to use together usually for the filter screen is preferred to carry out filtering operation to the impurity in the gas, because the filter screen generally adopts fixed mode to install, thereby the change operation of giving the staff to the filter screen has brought the inconvenience, staff's operating efficiency has been reduced.

Generally, when denitration treatment is performed on gas generated after coal combustion, a reducing agent is generally put into the reaction chamber to react with harmful substances in the gas, however, after the reducing agent is put into the reaction chamber, the reducing agent is in a stacking state, so that the reducing agent cannot be in full contact with the gas, the efficiency of gas treatment is low, and part of harmful gas which is not in contact with the reducing agent leaks to pollute the environment, so that improvement and optimization are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a safe denitrification facility in coal production process has the filter screen of being convenient for to change and makes the more abundant advantage of reductant and gaseous contact.

In order to achieve the above object, the utility model provides a following technical scheme: a safe denitration device in the coal production process comprises a base, wherein a shell is fixedly arranged at the top of the base, an air inlet pipe is fixedly arranged at the left end of the shell, a frame is movably arranged in the shell, a filter screen is sleeved in the frame in a movable manner, first grooves are formed in the top and the bottom of the frame, first moving blocks positioned in the first grooves are fixedly arranged at the top and the bottom of the frame, a first spring is fixedly arranged at the right end of each first moving block, the other end of each first spring is fixedly connected with the right wall of each first groove, a fixed block is fixedly arranged at the right end of the frame, the other end of each fixed block penetrates through the shell, and due to the design of the filter screen, when gas after coal combustion is introduced into the shell through the air inlet pipe, the gas can pass through the filter screen at the moment, so that the filter screen can filter impurities in the gas, thereby avoiding the adverse effect of impurities on the chemical reaction of the subsequent gas.

As a preferred technical proposal of the utility model, the front of the shell is fixedly provided with a shell, the movable plate is sleeved on the inner part of the shell, the movable motion rod is movably arranged in the shell, the left end of the movable rod sequentially penetrates through the movable plate and the shell and extends to the inner part of the fixed block, the other end of the movable rod penetrates through the shell, the outer surface of the movable rod is movably sleeved with a second spring positioned in the shell, the two ends of the second spring are respectively fixedly connected with the right end of the movable plate and the right wall of the inner cavity of the shell, due to the design of the second spring, when a worker pulls the movable rod rightwards, the movable rod and the movable plate are driven to move rightwards together, at the moment, the second spring is extruded to be in an elastic compression state, the movable rod can be separated from the fixed block, the fixing effect on the fixed block is removed, thereby facilitating the replacement operation of the filter screen, the operation of staff is convenient.

As a preferred technical scheme of the utility model, the right-hand member fixed mounting of casing has the ring piece, the reaction chamber has been cup jointed in the right-hand member activity of ring piece, the internal surface fixed mounting diaphragm of reaction chamber, the external surface fixed mounting of reaction chamber has the tooth, the top fixed mounting of base has first motor, the other end of first motor output shaft has cup jointed the pivot, the other end fixed mounting of pivot has the gear, is in the intermeshing state between the surface of gear and the tooth, because the operation of first motor, will make pivot and gear take place to rotate, because the mutual cooperation between tooth and the gear, will drive the whole rotation of reaction chamber through the tooth to drive the diaphragm of reaction chamber inside together to rotate, when the diaphragm rotates, will make the reductant of reaction chamber inside together move, when the reductant moves to the top of reaction chamber, it will fall freely due to the weight of the reducing agent itself and come into sufficient contact with the gas.

As a preferred technical scheme of the utility model, the third round hole has been seted up to the right-hand member of reaction chamber, the right-hand member movable mounting of reaction chamber has the connecting pipe, the other end fixed mounting of connecting pipe has the square, the inside movable mounting of square has the movable plate, because the design of third round hole for the harmless gaseous outside discharge after fully contacting and taking place the chemical reaction with the reductant, because the reductant is graininess, and the diameter size is greater than the diameter size of third spring, thereby make the reductant can not drop to the external world through the third spring.

As a preferred technical scheme of the utility model, the second recess that is located the movable plate both sides is seted up to the inside of square, the equal fixed mounting in both sides of movable plate has the second motion piece that is located the second recess inside, the right-hand member fixedly connected with third spring of second motion piece, the other end of third spring and the right wall fixed connection of second recess, because the design of second recess can play good limiting displacement to the movable plate for the movable plate is more stable at the in-process of motion, thereby is convenient for carry out the accuse volume to the reductant of throwing the feed box inside and puts in, avoids once only throwing the material too much and leads to the inside chemical reaction of reacting chamber can't reach best reaction proportion, influences the denitration operation to harmful gas.

As a preferred technical proposal of the utility model, the top of the movable plate is provided with a first round hole, the inside of the square block is fixedly provided with a second motor, the other end of the output shaft of the second motor is fixedly provided with a lug, the top of the square block is fixedly provided with a feeding box, the bottom end of the feeding box is provided with a second round hole, the lug can rotate due to the operation of the second motor, when the lug rotates, the movable plate can be pushed to move leftwards, so that the first round hole on the surface of the movable plate is aligned with the second round hole, the reducing agent in the feeding box enters the inside of the reaction chamber, the third spring is extruded to be in an elastic compression state, when the lug continues to rotate, the third spring is separated from the movable plate, at the moment, due to the elastic recovery function of the third spring, a force which is applied to the movable plate to the right can cause the movable plate to move rightwards, the first round hole and the second round hole are staggered at the moment, so that the feeding operation is stopped.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the filter screen, first spring and fixed block, first spring is in elasticity tensile state this moment, when the staff stimulates the motion pole right, will drive motion pole and fly leaf and together move right, the second spring will receive the extrusion and be in elasticity compression state this moment, the motion pole will break away from with the fixed block emergence, the fixed action to the fixed block has been relieved, this moment because the elasticity recovering action of first spring, will exert a power of rightwards to the frame, make the frame drive the filter screen and move right, thereby be convenient for change the operation to the filter screen, staff's operating efficiency has been improved.

2. The utility model discloses a set up the reacting chamber, the diaphragm, tooth, first motor and gear, be in the intermeshing state between the surface of gear and the tooth, because first motor operation, will make pivot and gear take place to rotate, because mutually supporting between tooth and the gear, will drive the whole rotation that rotates of reacting chamber through the tooth, thereby it together rotates to drive the inside diaphragm of reacting chamber, in diaphragm pivoted, will make the inside reductant of reacting chamber move together, when the reductant moves to the top of reacting chamber, will be because the weight of reductant self takes place free fall, thereby fully contact with gas, make harmful gas fully reacted, stop the air and take place the pollution.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the front side of the present invention;

fig. 3 is a schematic view of the internal structure of the moving plate of the present invention;

fig. 4 is a schematic diagram of the internal structure of the housing of the present invention;

fig. 5 is a schematic view of the internal structure of the housing of the present invention.

In the figure: 1. a base; 2. a housing; 3. an air inlet pipe; 4. a frame; 5. a filter screen; 6. a first groove; 7. a first motion block; 8. a first spring; 9. a fixed block; 10. a housing; 11. a movable plate; 12. a motion bar; 13. a second spring; 14. a ring block; 15. a reaction chamber; 16. a transverse plate; 17. teeth; 18. a first motor; 19. a rotating shaft; 20. a gear; 21. a connecting pipe; 22. a square block; 23. moving the plate; 24. a second groove; 25. a second motion block; 26. a third spring; 27. a first circular hole; 28. a second motor; 29. a bump; 30. a feeding box; 31. a second circular hole; 32. and a third circular hole.

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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model provides a safe denitration device in coal production process, which comprises a base 1, a casing 2 is fixedly installed on the top of the base 1, an air inlet pipe 3 is fixedly installed on the left end of the casing 2, a frame 4 is movably installed inside the casing 2, a filter screen 5 is movably sleeved inside the frame 4, first grooves 6 positioned on the top and the bottom of the frame 4 are opened inside the casing 2, first moving blocks 7 positioned inside the first grooves 6 are fixedly installed on the top and the bottom of the frame 4, a first spring 8 is fixedly installed on the right end of the first moving block 7, the other end of the first spring 8 is fixedly connected with the right wall of the first groove 6, a fixed block 9 is fixedly installed on the right end of the frame 4, the other end of the fixed block 9 penetrates through the casing 2, due to the design of the filter screen 5, when gas after coal combustion is introduced into the casing 2 through the air inlet pipe 3, at this moment, the gas can pass through the filter screen 5, so that the filter screen 5 can filter impurities in the gas, and further adverse effects of the impurities on chemical reactions of subsequent gases are avoided.

Wherein, the front of the shell 2 is fixedly provided with a shell 10, the inner part of the shell 10 is movably sleeved with a movable plate 11, the inner part of the shell 10 is movably provided with a movable rod 12, the left end of the movable rod 12 sequentially penetrates through the movable plate 11 and the shell 10 and extends to the inner part of the fixed block 9, the other end of the movable rod 12 penetrates through the shell 10, the outer surface of the movable rod 12 is movably sleeved with a second spring 13 positioned in the shell 10, the two ends of the second spring 13 are respectively fixedly connected with the right end of the movable plate 11 and the right wall of the inner cavity of the shell 10, due to the design of the second spring 13, when a worker pulls the movable rod 12 rightwards, the movable rod 12 and the movable plate 11 are driven to move rightwards together, at the moment, the second spring 13 is extruded to be in an elastic compression state, the movable rod 12 is separated from the fixed block 9, the fixing effect on the fixed block 9 is removed, thereby facilitating the replacement operation of the filter screen 5, the operation of staff is convenient.

Wherein, the right end of the shell 2 is fixedly provided with a ring block 14, the right end of the ring block 14 is movably sleeved with a reaction chamber 15, the inner surface of the reaction chamber 15 is fixedly provided with a transverse plate 16, the outer surface of the reaction chamber 15 is fixedly provided with teeth 17, the top of the base 1 is fixedly provided with a first motor 18, the other end of the output shaft of the first motor 18 is sleeved with a rotating shaft 19, the other end of the rotating shaft 19 is fixedly provided with a gear 20, the outer surface of the gear 20 and the teeth 17 are in a mutual meshing state, the rotating shaft 19 and the gear 20 can rotate due to the operation of the first motor 18, the teeth 17 and the gear 20 are mutually matched, the whole reaction chamber 15 can be driven by the teeth 17 to rotate, so as to drive the transverse plate 16 inside the reaction chamber 15 to rotate together, the transverse plate 16 can rotate and simultaneously drive the reducing agent inside the reaction chamber 15 to move together, when the reducing agent moves to the top of the reaction chamber 15, it will fall freely due to the weight of the reducing agent itself and come into sufficient contact with the gas.

Wherein, third round hole 32 has been seted up to the right-hand member of reaction chamber 15, the right-hand member movable mounting of reaction chamber 15 has connecting pipe 21, the other end fixed mounting of connecting pipe 21 has square 22, the inside movable mounting of square 22 has movable plate 23, because the design of third round hole 32, make fully contact with the reductant and take place the harmless gaseous outside discharge after the chemical reaction, because the reductant is graininess, and diameter size is greater than third spring 26's diameter size, thereby make the reductant can not drop to the external world through third spring 26.

Wherein, the second recess 24 that is located the movable plate 23 both sides is seted up to the inside of square 22, the equal fixed mounting in both sides of movable plate 23 has the second motion piece 25 that is located the inside of second recess 24, the right-hand member fixedly connected with third spring 26 of second motion piece 25, the other end of third spring 26 and the right wall fixed connection of second recess 24, because the design of second recess 24, can play good limiting displacement to movable plate 23, make movable plate 23 more stable at the in-process of motion, thereby be convenient for carry out the accuse volume to the reductant of throwing the feed box 30 inside and put in, avoid once only throw the material too much and lead to the inside chemical reaction of reacting chamber 15 can't reach best reaction proportion, influence the denitration operation to harmful gas.

Wherein, the top of the moving plate 23 is provided with a first round hole 27, the inside of the square 22 is fixedly provided with a second motor 28, the other end of the output shaft of the second motor 28 is fixedly provided with a bump 29, the top of the square 22 is fixedly provided with a feeding box 30, the bottom end of the feeding box 30 is provided with a second round hole 31, due to the operation of the second motor 28, the bump 29 can be rotated, when the bump 29 rotates, the moving plate 23 can be pushed to move leftwards, so that the first round hole 27 on the surface of the moving plate 23 is aligned with the second round hole 31, so that the reducing agent in the feeding box 30 enters the inside of the reaction chamber 15, the third spring 26 is extruded to be in an elastic compression state, when the bump 29 continues to rotate, the third spring 26 can be separated from the moving plate 23, at this time, due to the elastic recovery effect of the third spring 26, a rightward force can be exerted on the moving plate 23, so that the moving plate 23 moves rightwards, the first bore 27 will now be misaligned with the second bore 31, thereby ceasing the feeding operation.

The utility model discloses a theory of operation and use flow:

firstly, the worker introduces the gas after the coal combustion into the gas inlet pipe 3, so that the gas in the gas inlet pipe 3 enters the shell 2, at the moment, the gas will pass through the filter screen 5, so that the filter screen 5 filters impurities in the gas, the gas filtered by the filter screen 5 will be introduced into the reaction chamber 15, at the moment, the worker starts the first motor 18, the rotating shaft 19 and the gear 20 will rotate due to the operation of the first motor 18, the reaction chamber 15 will be driven to rotate integrally through the teeth 17 due to the mutual matching between the teeth 17 and the gear 20, so as to drive the transverse plate 16 in the reaction chamber 15 to rotate together, the reducing agent in the reaction chamber 15 will move together while the transverse plate 16 rotates, when the reducing agent moves to the top of the reaction chamber 15, the reducing agent will freely fall due to the weight of the reducing agent itself, thereby making sufficient contact with the gas;

after long-time filtering operation, a large amount of impurities are attached to the outer surface of the filter screen 5 and need to be replaced, at the moment, when a worker pulls the moving rod 12 rightwards, the moving rod 12 and the movable plate 11 are driven to move rightwards together, the second spring 13 is squeezed to be in an elastic compression state, the moving rod 12 is separated from the fixed block 9, the fixing effect on the fixed block 9 is removed, at the moment, due to the elastic recovery effect of the first spring 8, a rightward force is applied to the frame 4, the frame 4 drives the filter screen 5 to move rightwards, and therefore the filter screen 5 is convenient to replace;

after the new filter screen 5 is replaced, the fixing block 9 is pushed, so that the fixing block 9 drives the frame 4 and the filter screen 5 to enter the inside of the shell 2, at the moment, the worker loosens the motion rod 12, and the motion rod 12 is reset due to the elastic force recovery action of the second spring 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a safe denitrification facility in coal production process, includes base (1), its characterized in that: a shell (2) is fixedly arranged at the top of the base (1), an air inlet pipe (3) is fixedly arranged at the left end of the shell (2), a frame (4) is movably arranged in the shell (2), a filter screen (5) is movably sleeved in the frame (4), the shell (2) is internally provided with first grooves (6) positioned at the top and the bottom of the frame (4), the top and the bottom of the frame (4) are both fixedly provided with a first motion block (7) positioned in the first groove (6), a first spring (8) is fixedly arranged at the right end of the first motion block (7), the other end of the first spring (8) is fixedly connected with the right wall of the first groove (6), the right end fixed mounting of frame (4) has fixed block (9), the other end of fixed block (9) runs through casing (2).

2. The safe denitration device in the coal production process according to claim 1, characterized in that: the front fixed mounting of casing (2) has shell (10), fly leaf (11) have been cup jointed in the inside activity of shell (10), the inside movable mounting of shell (10) has motion pole (12), the left end of motion pole (12) runs through fly leaf (11) and shell (10) in proper order and extends to the inside of fixed block (9), the other end of motion pole (12) runs through shell (10), the surface activity of motion pole (12) has been cup jointed and has been located the inside second spring (13) of shell (10), the both ends of second spring (13) respectively with the right-hand member of fly leaf (11) and the right wall fixed connection of shell (10) inner chamber.

3. The safe denitration device in the coal production process according to claim 1, characterized in that: the right-hand member fixed mounting of casing (2) has ring piece (14), the right-hand member activity of ring piece (14) is cup jointed there is reaction chamber (15), the internal surface fixed mounting diaphragm (16) of reaction chamber (15), the fixed surface of reaction chamber (15) installs tooth (17), the top fixed mounting of base (1) has first motor (18), pivot (19) have been cup jointed to the other end of first motor (18) output shaft, the other end fixed mounting of pivot (19) has gear (20).

4. The safe denitration device in the coal production process according to claim 3, characterized in that: third round hole (32) have been seted up to the right-hand member of reaction chamber (15), the right-hand member movable mounting of reaction chamber (15) has connecting pipe (21), the other end fixed mounting of connecting pipe (21) has square (22), the inside movable mounting of square (22) has movable plate (23).

5. The safe denitration device in the coal production process according to claim 4, characterized in that: the inside of square (22) is seted up and is located second recess (24) of moving plate (23) both sides, the equal fixed mounting in both sides of moving plate (23) has second motion piece (25) that are located second recess (24) inside, the right-hand member fixedly connected with third spring (26) of second motion piece (25), the other end of third spring (26) and the right wall fixed connection of second recess (24).

6. The safe denitration device in the coal production process according to claim 4, characterized in that: first round hole (27) have been seted up at the top of movable plate (23), the inside fixed mounting of square (22) has second motor (28), the other end fixed mounting of second motor (28) output shaft has lug (29), the top fixed mounting of square (22) has box (30) of throwing, second round hole (31) have been seted up to the bottom of box (30) of throwing.

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