CN210993527U

CN210993527U - A explosion-proof dust pelletizing system that is used for coal dust preparation of thermal power factory to carry

Info

Publication number: CN210993527U
Application number: CN201921440513.9U
Authority: CN
Inventors: 翟弘山
Original assignee: Kunshan Diheng Environmental Protection Equipment Technology Co ltd
Current assignee: Kunshan Diheng Environmental Protection Equipment Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-07-14
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses an explosion-proof dust removal system for pulverized coal preparation and transportation of a thermal power plant, which comprises a multistage filter tank, wherein the multistage filter tank is provided with a dust removal tower body, an exhaust pipe, an explosion-proof induced draft fan and a water pump, one side of the multistage filter tank is provided with a clean water tank, the water pump and the explosion-proof induced draft fan are symmetrically arranged at two ends of the multistage filter tank, the dust removal tower body is arranged between the water pump and the explosion-proof induced draft fan, and the dust removal tower body is provided with an observation mechanism; through being provided with the dust removal tower body, the whirl layer, the shower, the inlet tube, a water pump, the drain, multistage filtering ponds and clean water basin, the buggy of being convenient for avoid among the thermal power factory in the buggy transportation process flies upward, eliminate the pulverized coal burning simultaneously, the risk of explosion, through being provided with the observation apron, the axis of rotation, the brush board, first permanent magnet, second permanent magnet and blowdown stopper, prevent glass plate surface adhesion dust through observing the apron, be convenient for clear up transparent glass plate surface dust simultaneously.

Description

A explosion-proof dust pelletizing system that is used for coal dust preparation of thermal power factory to carry

Technical Field

The utility model belongs to the technical field of the buggy is carried and is removed dust, concretely relates to explosion-proof dust pelletizing system that is used for thermal power factory buggy preparation to carry.

Background

In the thermal power generation process, in order to improve the combustion efficiency of coal, the coal is generally crushed, and the combustion effect of pulverized coal prepared by crushing the coal is better. Present in to thermal power transportation process, the buggy among the buggy transportation process flies upward, the gas that thoughtlessly has not very good reason device thoughtlessly there is the burning to the buggy in the air, the risk of explosion, some have set up simple wet dedusting in addition, be convenient for prevent that the dust is dry easy explosion, the maintenance observation window glass board that sets up on this kind of dust collector easily adheres to the dust, lead to being not convenient for see through the glass board and look over the dust collector inboard, the manual work is not convenient for clear up the glass board at any time simultaneously, we provide an explosion-proof dust pelletizing system who is used for thermal power factory buggy preparation to carry for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof dust pelletizing system for thermal power factory buggy preparation is carried, in the delivery process to thermal power that proposes to have now in solving above-mentioned background art, the buggy among the buggy transportation process flies upward, the gas that thoughtlessly has buggy does not have very good reason device, the buggy that drifts away in the air has the burning, the risk of explosion, set up simple wet-type dust removal a bit in addition, be convenient for prevent that the dust is dry easily explode, the maintenance observation window glass board that sets up on this kind of dust collector easily adheres to the dust, lead to being not convenient for see through the glass board and look over the dust collector inboard, the artifical problem of clearing up the glass board at any time of being not being convenient for simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof dust removal system for preparing and conveying pulverized coal in a thermal power plant comprises a multistage filter tank, wherein a dust removal tower body, an exhaust pipe, an explosion-proof induced draft fan and a water pump are included on the multistage filter tank, a clean water tank is arranged on one side of the multistage filter tank, the water pump and the explosion-proof induced draft fan are symmetrically arranged at two ends of the multistage filter tank, the dust removal tower body is arranged between the water pump and the explosion-proof induced draft fan, an observation mechanism is arranged on the dust removal tower body, a cyclone layer and a spray pipe are arranged on the inner side of the dust removal tower body, the spray pipe is positioned above the cyclone layer, a spray dust removal head is arranged on the lower surface of the spray pipe, the input end of the water pump is connected with a water inlet pipe, the output end of the water pump is provided with a water guide pipe, the other end of the water guide, the both ends of ventilation pipe communicate with the inside of explosion-proof draught fan and dust removal tower body respectively, the exhaust pipe is located one side of explosion-proof draught fan, the exhaust pipe carries out inside intercommunication through the pipeline with explosion-proof draught fan, dust removal tower body side surface is provided with the air intake, dust removal tower body opposite side surface is fixed with the pressure release blast pipe, the outside of dust removal tower body bottom is provided with the drain, the drain communicates through the blow off pipe with multistage filtering ponds.

Preferably, observation mechanism includes the viewing aperture, observes apron, first permanent magnet, second permanent magnet and clear glass board, the viewing aperture is fixed in a side surface of dust removal tower body upper end, the viewing aperture is the slope structure, the viewing aperture inboard is fixed with the clear glass board, it is connected with the observation apron to rotate through the dwang on the viewing aperture, it has first permanent magnet to observe the embedding of apron lower surface, the embedding of viewing aperture upper surface has the second permanent magnet, observe the apron and carry out magnetism through first permanent magnet and second permanent magnet with the viewing aperture and inhale the connection.

Preferably, the observation mechanism still includes and revolves hand, blowdown stopper, axis of rotation and brush board, it is connected with the axis of rotation through the bearing rotation to observe the inboard middle part of apron, the upper end of axis of rotation is fixed with revolves the hand, the lower extreme of axis of rotation is fixed with the brush board, the brush board is inconsistent with a transparent glass board side surface, the ash discharge mouth has been seted up to the observation mouth lateral wall, the inboard interference fit of ash discharge mouth is connected with the blowdown stopper.

Preferably, observe the apron lower surface and be fixed with the sealing rubber ring, the sealing rubber ring is the annular, the height of sealing rubber ring equals with the distance between transparent glass board and the observation apron, the external diameter of sealing rubber ring is greater than one millimeter of interior diameter of observation mouth.

Preferably, the number of the pressure relief exhaust pipes is four, and a pressure relief sheet is arranged at one end of the inner side of each pressure relief exhaust pipe, close to the dust removal tower body.

Preferably, the number of the water pumps is two, and the two water pumps are arranged on the multistage filter tank side by side and are communicated with the inside of the water guide pipe.

Preferably, the number of the cyclone layers and the number of the spray pipes are three, and the three cyclone layers and the three spray pipes are arranged at intervals from top to bottom along the dust removal tower body.

Preferably, the lower side of each spray pipe is provided with three spray dust removal heads which are arranged at equal intervals along the spray pipe.

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

(1) through being provided with dust removal tower body, whirl layer, shower, inlet tube, water pump, drain, multistage filtering ponds and clean water basin, the buggy of being convenient for avoid among the thermal power factory in the buggy transportation process flies upward, eliminates the risk of buggy burning, explosion simultaneously, and the sewage recovery of being convenient for simultaneously utilizes, has saved the water resource, is convenient for improve the security of carrying, increase device's result of use.

(2) Through being provided with observation apron, axis of rotation, brush board, first permanent magnet, second permanent magnet and blowdown stopper, be convenient for to observe the department and observe the apron and open and shut, prevent glass plate surface adhesion dust through observing the apron, be convenient for clear up transparent glass plate surface dust simultaneously, avoid transparent glass plate surface adhesion too much dust, lead to seeing through transparent glass plate can not be fine look over the dust removal tower body inboard, be convenient for improve the practicality of device.

Drawings

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

fig. 2 is a schematic diagram of the right-side view structure of the present invention;

FIG. 3 is a schematic structural view of a brush plate according to the present invention;

fig. 4 is a schematic view of the enlarged structure of a part a of fig. 3 according to the present invention;

FIG. 5 is a schematic view of the structure of the drainage plug of the present invention;

in the figure: 1. a dust removal tower body; 2. a viewing port; 3. a vent pipe; 4. an exhaust duct; 5. an explosion-proof induced draft fan; 6. a sewage draining outlet; 7. a clean water tank; 8. a multi-stage filtration tank; 9. a water inlet pipe; 10. a water pump; 11. a water conduit; 12. a rotational flow layer; 13. a shower pipe; 14. an observation cover plate; 15. a pressure relief exhaust pipe; 16. pressure relief sheets; 17. an air inlet; 18. sealing the rubber ring; 19. rotating the hands; 20. a first permanent magnet; 21. a second permanent magnet; 22. a pollution discharge plug; 23. a rotating shaft; 24. a transparent glass plate; 25. a brush plate.

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. 1-5, the present invention provides a technical solution: an explosion-proof dust removal system for preparing and conveying pulverized coal in a thermal power plant comprises a multistage filter tank 8, wherein the multistage filter tank 8 is provided with a dust removal tower body 1, an exhaust pipe 4, an explosion-proof induced draft fan 5 and a water pump 10, one side of the multistage filter tank 8 is provided with a clean water tank 7, the water pump 10 and the explosion-proof induced draft fan 5 are symmetrically arranged at two ends of the multistage filter tank 8, a dust removal tower body 1 is arranged between the water pump 10 and the explosion-proof induced draft fan 5, the dust removal tower body 1 is provided with an observation mechanism, the inner side of the dust removal tower body 1 is provided with a cyclone layer 12 and a spray pipe 13, the spray pipe 13 is positioned above the cyclone layer 12, the lower surface of the spray pipe 13 is provided with a spray dust removal head, so as to conveniently remove dust from pulverized coal-containing gas by spraying water, the input end of the water pump 10 is connected with a water inlet pipe, the inboard convenient to introduce dust removal tower body 1 to the clear water, be provided with ventilation pipe 3 between explosion-proof draught fan 5 and the dust removal tower body 1, ventilation pipe 3's both ends communicate with explosion-proof draught fan 5 and the inside of dust removal tower body 1 respectively, be convenient for clean air discharge in the outside air, exhaust pipe 4 is located one side of explosion-proof draught fan 5, exhaust pipe 4 carries out inside intercommunication through the pipeline with explosion-

proof draught fan

5, 1 side surface of dust removal tower body is provided with

air intake

17, 1 opposite side of dust removal tower body surface is fixed with pressure release blast pipe 15, be convenient for avoid the pressure of 1 inboard of dust removal tower body too big, the outside of 1 bottom of dust removal tower body is provided with drain 6, drain 6 communicates through the blow off pipe with multistage filtering ponds 8, be convenient for.

In this embodiment, it is preferred, the observation mechanism includes viewing aperture 2, observe apron 14, first permanent magnet 20, second permanent magnet 21 and transparent glass board 24, viewing aperture 2 is fixed in a side surface of dust removal tower body 1 upper end, viewing aperture 2 is the slope structure, viewing aperture 2 inboard is fixed with transparent glass board 24, it is connected with observation apron 14 to rotate through the dwang on viewing aperture 2, it has first permanent magnet 20 to observe the lower surface embedding of

apron

14, 2 upper surface embeddings of viewing aperture have second permanent magnet 21, it is connected to carry out magnetism through first permanent magnet 20 and second permanent magnet 21 with viewing aperture 2 to observe apron 14, be convenient for open and shut observation apron 14.

In this embodiment, it is preferred, the observation mechanism still includes the hander 19, blowdown stopper 22, axis of rotation 23 and brush board 25, it is connected with axis of rotation 23 to observe the inboard middle part of apron 14 through the bearing rotation, the upper end of axis of rotation 23 is fixed with the hander 19, the lower extreme of axis of rotation 23 is fixed with brush board 25, be convenient for clear up the dust on transparent glass board 24 surface, brush board 25 is inconsistent with transparent glass board 24 side surface, the ash discharge mouth has been seted up to viewing aperture 2 lateral wall, the dust of the 2 inboards of viewing aperture of being convenient for is discharged, the inboard interference fit of ash discharge mouth is connected with blowdown stopper 22.

In this embodiment, it is preferred, observe that the lower surface of apron 14 is fixed with sealing rubber ring 18, sealing rubber ring 18 is the annular, sealing rubber ring 18's height equals with the distance between transparent glass plate 24 and the observation apron 14, be convenient for seal the junction between observation apron 14 and the observation port 2, sealing rubber ring 18's external diameter is greater than observation port 2 internal diameter one millimeter, be convenient for make sealing rubber ring 18 inseparabler with the laminating of observation port 2 inside wall, improve sealed effect.

In this embodiment, preferably, four pressure relief exhaust pipes 15 are provided, and one end of the inner side of the pressure relief exhaust pipe 15, which is close to the dust removal tower body 1, is provided with a pressure relief sheet 16, so that pressure relief and exhaust can be performed on the inner side of the dust removal tower body 1 better.

In this embodiment, preferably, two water pumps 10 are arranged on the multistage filter tank 8 side by side and are both communicated with the inside of the water conduit 11, so that when one water pump 10 is damaged, water is injected into the inner side of the dust removal tower body 1 through the second water pump 10 for standby.

In this embodiment, preferably, the number of the cyclone layers 12 and the number of the spray pipes 13 are three, and the three cyclone layers 12 and the three spray pipes 13 are arranged at intervals from top to bottom along the dust removal tower body, so that a better dust removal effect is facilitated.

Preferably, three spraying dust removal heads are arranged on the lower side of each spraying pipe 13 and are arranged at equal intervals along the spraying pipes 13.

The utility model discloses an explosion-proof draught fan 5 model does: FBT35-11, water pump 10 model is: 50GW 18-30-3.

The utility model discloses a theory of operation and use flow: when the dust removal tower is used, air with pulverized coal enters the inner side of the dust removal tower body 1 through the air inlet 17, the spray pipe 13 is externally connected with clean water through the water pump 10 and the water inlet pipe 9, dust-containing gas at the inner side of the dust removal tower body 1 is subjected to spray dust removal through a spray head at the lower side of the spray pipe 13, the dust-containing gas passes through the spray layer and the rotational flow layer 12, most dust is taken away by water and is discharged from the sewage outlet 6 at the bottom of the dust removal tower body 1 and flows into the inner side of the multistage filter tank 8 through the sewage outlet, relatively clean air is discharged into external air after reaching standards through the vent pipe 3, the explosion-proof induced draft fan 5 and the exhaust pipe 4, sewage and pulverized coal flow into the inner side of the clean water tank 7 through the clean water filtered by the multistage filter tank 8, after the clean water tank is precipitated, relatively clean water can be recycled through the, make first permanent magnet 20 and the separation of second permanent magnet 21, and make sealing rubber ring 18 break away from 2 inboards of viewing aperture, at this moment, be convenient for look over dust removal tower body 1 inboard through transparent glass board 24, when transparent glass board 24 surface has the dust, can rotate observation apron 14 and make first permanent magnet 20 and second permanent magnet 21 magnetism inhale and be connected, then extract blowdown stopper 22 from the ash discharge aperture inboard, further rotate and revolve hand 19, revolve hand 19 and drive brush board 25 and rotate, clear up transparent glass board 24 surface dust, the dust of clearance is along the inboard of the transparent glass board 24 follow ash discharge aperture discharge viewing aperture 2 of slope, the convenience of clearing up transparent glass board 24 has been improved.

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

1. The utility model provides an explosion-proof dust pelletizing system for coal dust preparation of thermal power factory is carried, includes multistage filtering ponds (8), its characterized in that: the dust removal device is characterized by comprising a dust removal tower body (1), an exhaust pipe (4), an explosion-proof draught fan (5) and a water pump (10) on the multistage filter tank (8), a clean water tank (7) is arranged on one side of the multistage filter tank (8), two ends of the water pump (10) and the explosion-proof draught fan (5) are symmetrically arranged on the multistage filter tank (8), the dust removal tower body (1) is arranged between the water pump (10) and the explosion-proof draught fan (5), an observation mechanism is arranged on the dust removal tower body (1), the inner side of the dust removal tower body (1) comprises a cyclone layer (12) and a spray pipe (13), the spray pipe (13) is positioned above the cyclone layer (12), a spray dust removal head is arranged on the lower surface of the spray pipe (13), the input end of the water pump (10) is connected with a water inlet pipe (9), the output end on the water pump (, the other end of aqueduct (11) and the inside of shower (13) communicate mutually, be provided with ventilation pipe (3) between explosion-proof draught fan (5) and dust removal tower body (1), the both ends of ventilation pipe (3) communicate with the inside of explosion-proof draught fan (5) and dust removal tower body (1) respectively, exhaust pipe (4) are located one side of explosion-proof draught fan (5), inside intercommunication is carried out through the pipeline in exhaust pipe (4) and explosion-proof draught fan (5), dust removal tower body (1) side surface is provided with air intake (17), dust removal tower body (1) opposite side surface is fixed with pressure release blast pipe (15), the outside of dust removal tower body (1) bottom is provided with drain (6), drain (6) communicate through the blow off pipe with multistage filtering ponds (8).

2. The explosion-proof dust removal system for pulverized coal preparation and transportation of a thermal power plant according to claim 1, characterized in that: observation mechanism includes viewing aperture (2), observation apron (14), first permanent magnet (20), second permanent magnet (21) and clear glass board (24), viewing aperture (2) are fixed in a side surface of dust removal tower body (1) upper end, viewing aperture (2) are the slope structure, viewing aperture (2) inboard is fixed with clear glass board (24), it is connected with observation apron (14) to rotate through the dwang on viewing aperture (2), it has first permanent magnet (20) to observe apron (14) lower surface embedding, viewing aperture (2) upper surface embedding has second permanent magnet (21), it inhales through first permanent magnet (20) and second permanent magnet (21) and connects to observe apron (14) and viewing aperture (2).

3. The explosion-proof dust removal system for pulverized coal preparation and transportation of a thermal power plant according to claim 2, characterized in that: observing the mechanism still including rotating hand (19), blowdown stopper (22), axis of rotation (23) and brush board (25), the middle part of observing apron (14) inboard is rotated through the bearing and is connected with axis of rotation (23), the upper end of axis of rotation (23) is fixed with rotates hand (19), the lower extreme of axis of rotation (23) is fixed with brush board (25), brush board (25) and transparent glass board (24) a side surface are inconsistent, the ash discharge mouth has been seted up to observation mouth (2) lateral wall, the inboard interference fit of ash discharge mouth is connected with blowdown stopper (22).

4. The explosion-proof dust removal system for pulverized coal preparation and transportation of a thermal power plant according to claim 3, characterized in that: observe apron (14) lower surface and be fixed with sealing rubber ring (18), sealing rubber ring (18) are the annular, the height and the transparent glass board (24) of sealing rubber ring (18) and observe the distance between apron (14) equal, the external diameter of sealing rubber ring (18) is greater than viewing aperture (2) internal diameter one millimeter.

5. The explosion-proof dust removal system for pulverized coal preparation and transportation of a thermal power plant according to claim 1, characterized in that: the dust removal tower is characterized in that the number of the pressure relief exhaust pipes (15) is four, and a pressure relief piece (16) is arranged at one end of the inner side of each pressure relief exhaust pipe (15) close to the dust removal tower body (1).

6. The explosion-proof dust removal system for pulverized coal preparation and transportation of a thermal power plant according to claim 1, characterized in that: the water pumps (10) are arranged in two, and the two water pumps (10) are arranged on the multistage filter tank (8) side by side and are communicated with the inside of the water guide pipe (11).

7. The explosion-proof dust removal system for pulverized coal preparation and transportation of a thermal power plant according to claim 1, characterized in that: the cyclone layer (12) and the spray pipes (13) are arranged in a three-dimensional manner, and the cyclone layer (12) and the spray pipes (13) are arranged at intervals from top to bottom along the dedusting tower body.

8. The explosion-proof dust removal system for pulverized coal preparation and transportation of a thermal power plant according to claim 7, characterized in that: every shower (13) downside all is provided with three spray dust removal head, three spray dust removal head arranges along shower (13) equidistance.