CN113731998B

CN113731998B - Ash leakage collecting device of ash discharge valve

Info

Publication number: CN113731998B
Application number: CN202110958876.7A
Authority: CN
Inventors: 赵希猛; 王志永; 张兆明
Original assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Current assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2023-05-16
Anticipated expiration: 2041-08-20
Also published as: CN113731998A

Abstract

The invention provides an ash leakage collecting device of an ash discharge valve, and relates to the technical field of dust removal. The ash leakage collecting device of the ash discharging valve comprises a valve body, an ash sucking pipeline and a motor, wherein a sleeve is fixedly connected to the edge of one side of the outer portion of the valve body, a connecting pipe is fixedly connected to the outer side of the sleeve, one end of the connecting pipe is fixedly connected to the outer side of the ash sucking pipeline, the output end of the motor is fixedly connected to the input end of a speed reducer, the output end of the speed reducer is fixedly connected with a main shaft, an impeller is fixedly connected to the outer side of the main shaft, and a sealing mechanism is arranged between the outer side of the main shaft, which is close to a large supporting frame, and the valve body. Through outside one side edge fixedly connected with sleeve of valve body, telescopic outside fixedly connected with connecting pipe, the one end fixed connection of connecting pipe is in the outside of inhaling the ash pipe, and the inside intercommunication of pipeline is convenient for arrange dirt collection, prevents that the deposition of ash valve department from outwards leaking, improves on-the-spot environment when reducing staff intensity of labour.

Description

Ash leakage collecting device of ash discharge valve

Technical Field

The invention relates to the technical field of dust removal, in particular to an ash leakage collecting device of an ash discharge valve.

Background

In metal processing enterprises, a large amount of small metal particles are often generated, more particle dust is generated in other industries such as cement and flour processing factories, dust removal is often needed in the production activities of the enterprises, the current dust removal technology is mature, various dust removers such as pulse bag type dust removers, cyclone dust removers, electrostatic dust removers, water bath dust removers and the like are provided with ventilating pipes, air locking valves and the like, dust removal and dust discharging valves are used for being installed at the discharge opening of the dust removers working under negative pressure, the upper part of the dust removal and dust discharging valves receives materials discharged by the ejectors, the rotary impellers are used for conveying the materials and also are used for sealing, air is prevented from being sucked from the discharge opening in the pneumatic conveying process, the normal discharge of the ejectors is guaranteed to be used as special discharge equipment, and the dust removal and dust discharging valves play a great role in cleaning and cleaning work.

Patent document CN204107263U discloses a dust conveying and collecting device of a heating furnace dust removing system, which comprises an in-station air compressor, a dust remover, an air storage tank, a discharger, an electromagnetic valve A, a pressure water conveying pipe, a movable cover plate, a water bath spraying device, a filter cloth bag, a filtering device, a clean gas outlet, an ash storage tank, a dust-containing gas high-pressure gas flow conveying pipeline, an electromagnetic valve B and the like, and is convenient to install and use, good in stability and high in reliability. However, in the prior art, in the ash conveying and discharging process, the ash leakage phenomenon exists at the bearing of the ash discharge valve due to the fact that the sealing is not very tight, ash is leaked on the ground or a platform for dust removal, staff is required to clean, the labor intensity of the staff is increased, and effective measures are required to be taken to avoid the phenomenon of ash leakage or outward ash leakage.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides an ash leakage collecting device of an ash discharge valve, which solves the problem of ash leakage at the bearing of the ash discharge valve.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an ash valve ash leakage collection device, includes valve body, ash absorption pipeline and motor, outside one side edge fixedly connected with sleeve of valve body, telescopic outside fixedly connected with connecting pipe, the one end fixedly connected with of connecting pipe is in the outside of ash absorption pipeline, the outside both sides of valve body are connected with the axle end cover through big support frame and little support frame respectively, little support frame is located telescopic inside, the middle part fixedly connected with speed reducer of big support frame, one side fixedly connected with of speed reducer is in the outside of motor, the output fixedly connected with of motor is at the input of speed reducer, the output fixedly connected with main shaft of speed reducer, the outside of main shaft is close to the inside fixedly connected with impeller of valve body, the outside of main shaft is close to and is provided with sealing mechanism between big support frame and the valve body.

Preferably, the sealing mechanism comprises a convex ring, a flange ring, sealing gaskets and sealing covers, wherein the inner side of the convex ring is fixedly connected to the outer side of the main shaft, a fixing ring is fixedly connected to the middle part of one side of the flange ring, one side of the fixing ring is fixedly connected to one side of the outer part of the valve body, the edge of the other side of the flange ring is connected with the sealing gaskets and the sealing covers through bolts, the two sealing gaskets are in mirror image distribution on the two sides of the convex ring, and lubricating oil is arranged between the two sealing gaskets.

Preferably, the middle parts of the flange ring, the sealing gasket and the sealing cover are all provided with abdication holes.

Preferably, the two sealing gaskets are integrally formed or split.

Preferably, the cross section of the sealing gasket is herringbone, and the width of the sealing gasket is larger than the sum of the widths of the flange ring and the sealing cover.

Preferably, the inner side of the shaft end cover is connected to the outer side of the main shaft through a bearing.

Preferably, one end fixedly connected with gas tank of ash absorption pipeline, gas tank and sleeve all are connected with the gas flow divider through the trachea, one side of gas flow divider is provided with the air compressor machine, the one end of ash absorption pipeline is provided with the solenoid valve.

Working principle: the outside one side edge fixedly connected with sleeve of valve body, telescopic outside fixedly connected with connecting pipe, the one end fixed connection of connecting pipe is in the outside of inhaling the ash pipe, sealing mechanism includes the bulge loop, the flange ring, sealed pad and sealed lid, the inboard fixed connection of bulge loop is in the outside of main shaft, one side middle part fixedly connected with solid fixed ring of flange ring, one side fixed connection of solid fixed ring is in the outside one side of valve body, the opposite side edge of flange ring passes through bolted connection sealed pad and sealed lid, two sealed pads are the mirror image and distribute in the both sides of bulge loop, be provided with lubricating oil between two sealed pads, be convenient for arrange dirt collection, prevent the dust valve department deposition and outwards leak, when reducing staff intensity of labour, improve on-the-spot environment, the output of air compressor machine passes through an input of pipeline fixed connection at the gas distributor, the gas distributor is provided with two delivery outlets, two delivery outlets are two trachea fixed connection respectively, two trachea can be respectively to gas tank and sleeve gas injection, and then can blow up the dust and discharge through inhaling the ash pipe.

(III) beneficial effects

The invention provides an ash leakage collecting device of an ash discharge valve. The beneficial effects are as follows:

1. according to the invention, the sleeve is fixedly connected with the edge of one side of the outer part of the valve body, the connecting pipe is fixedly connected with the outer side of the sleeve, one end of the connecting pipe is fixedly connected with the outer side of the ash suction pipeline, and the inner part of the pipeline is communicated, so that dust is conveniently discharged and collected, the ash deposition at the ash discharge valve is prevented from leaking outwards, the labor intensity of staff is reduced, and the site environment is improved.

2. According to the invention, the fixing ring is welded on one side of the outer part of the valve body, the sealing cover and the sealing gaskets are fixed on one side of the valve body through the bolts, the two sealing gaskets are distributed on two sides of the convex ring in a mirror image mode, lubricating oil is arranged between the two sealing gaskets, the lubricating oil can play a role in lubricating and sealing, the convex ring is arranged between the two sealing gaskets, the sealing cover and the flange ring press edges of the sealing gaskets on two sides of the two sealing gaskets, and when the main shaft rotates, the sealing mechanism seals one side, far away from the sleeve, of the air locking valve, dust leakage is prevented, the field environment is improved, and equipment is protected.

Drawings

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

FIG. 2 is a schematic view of a sealing mechanism of the present invention;

FIG. 3 is a schematic diagram of a spindle of the present invention;

FIG. 4 is a schematic view of a retaining ring according to the present invention;

FIG. 5 is a schematic view of the interior of the valve body of the present invention;

fig. 6 is an enlarged view at a in fig. 5.

Wherein, 1, the valve body; 2. a sleeve; 3. a connecting pipe; 4. an ash suction pipe; 5. an electromagnetic valve; 6. a large support frame; 7. a speed reducer; 8. a motor; 9. an air box; 10. an air pipe; 11. a gas diverter; 12. an air compressor; 13. a sealing mechanism; 14. a bolt; 15. a flange ring; 16. a sealing gasket; 17. sealing cover; 18. a main shaft; 19. a convex ring; 20. a relief hole; 21. a fixing ring; 22. an impeller; 23. a small support frame; 24. a bearing; 25. a shaft end cover.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

as shown in fig. 1-6, the embodiment of the invention provides an ash leakage collecting device of an ash discharge valve, which comprises a valve body 1, an ash suction pipeline 4 and a motor 8, wherein the valve body 1 is an ash discharge valve body, the valve body 1 is generally made of casting or welding a carbon steel plate and is one of main equipment for ash discharge of dust removing equipment and other equipment, a sleeve 2 is fixedly connected with the edge of one side of the outer part of the valve body 1, a connecting pipe 3 is fixedly connected with the outer side of the sleeve 2, one end of the connecting pipe 3 is fixedly connected with the outer side of the ash suction pipeline 4, a cylindrical collecting cylinder is welded at the ash leakage point of the valve body 1 of the ash discharge valve, namely the sleeve 2, a circular pipe phi 20 is connected to the collecting cylinder close to the lower ash suction pipeline 4 as the connecting pipe 3, the bottom end of the connecting pipe 3 is welded on the lower ash suction pipeline 4, the pipeline is communicated, dust discharge and dust collection are convenient, and ash deposition at the ash discharge valve is prevented from leaking outwards, the labor intensity of staff is reduced, the site environment is improved, the two sides of the outer part of the valve body 1 are respectively connected with a shaft end cover 25 through a large supporting frame 6 and a small supporting frame 23, the small supporting frame 23 is positioned in the sleeve 2, the middle part of the large supporting frame 6 is fixedly connected with a speed reducer 7, one side of the speed reducer 7 is fixedly connected with the outer part of a motor 8, the output end of the motor 8 is fixedly connected with the input end of the speed reducer 7, the output end of the speed reducer 7 is fixedly connected with a main shaft 18, the outer side of the main shaft 18 is fixedly connected with an impeller 22 near the inner part of the valve body 1, a sealing mechanism 13 is arranged between the outer side of the main shaft 18 and the valve body 1 near the large supporting frame 6, the main shaft 18 is driven to rotate through the motor 8, the impeller 22 can rotate, the ash discharging valve rotates in a cylindrical shell through a rotor with a plurality of impellers 22, and materials falling from an upper hopper are filled in a space between the impellers 22, the valve can be discharged along with the rotation of the blades, can be made of various materials such as cast iron, cast steel, stainless steel, titanium steel and the like, and the flange opening can be in various structural forms such as square or round, so that different requirements of users are met.

The sealing mechanism 13 comprises a convex ring 19, a flange ring 15, sealing gaskets 16 and sealing covers 17, wherein the inner side of the convex ring 19 is fixedly connected to the outer side of a main shaft 18, a fixing ring 21 is fixedly connected to the middle part of one side of the flange ring 15, one side of the fixing ring 21 is fixedly connected to one outer side of the valve body 1, the sealing gaskets 16 and the sealing covers 17 are connected through bolts 14, the fixing ring 21 is welded to one outer side of the valve body 1, the sealing covers 17 and the sealing gaskets 16 can be fixed to one side of the valve body 1 through a plurality of bolts 14, the two sealing gaskets 16 are distributed on two sides of the convex ring 19 in a mirror image mode, lubricating oil is arranged between the two sealing gaskets 16, the lubricating oil can play a role in lubricating and sealing, the convex ring 19 is arranged in the middle of the two sealing gaskets 16, the sealing covers 17 and the flange ring 15 press the edges of the sealing gaskets 16 on two sides of the two sealing gaskets 16, and when the main shaft 18 rotates, the sealing mechanism 13 seals one side of the air valve far away from the sleeve 2, so that dust is prevented from leaking outwards.

The middle parts of the flange ring 15, the sealing gasket 16 and the sealing cover 17 are respectively provided with a yielding hole 20, the diameters of the yielding holes 20 in the middle parts of the flange ring 15 and the sealing cover 17 are the same, and compared with the diameters of the yielding holes 20 in the middle parts of the flange ring 15 and the sealing cover 17, the sealing gasket 16 is made of fluororubber, and has the characteristics of high chemical stability, high temperature resistance, ageing resistance, vacuum performance, mechanical performance, low air permeability and the like.

The two gaskets 16 may be integrally formed or split, the gasket 16 may be combined using two fluororubber mats and connected by bolts 14, or a custom made integrally formed fluororubber mat may be used.

The cross section of the sealing gasket 16 is in a herringbone shape, the outer side edges are integrally formed or tightly connected, the middle edges are protruded towards the two sides, so that the sealing effect is facilitated, the width of the sealing gasket 16 is larger than the sum of the widths of the flange ring 15 and the sealing cover 17, and the flange ring 15 and the sealing cover 17 can conveniently press the middle edges of the sealing gasket 16.

The inner side of the shaft end cover 25 is connected to the outer side of the main shaft 18 through a bearing 24, and the bearing 24 facilitates the main shaft 18 to rotate in the middle of the valve body 1.

One end fixedly connected with gas tank 9 of ash absorption pipeline 4, gas tank 9 and sleeve 2 all are connected with gas flow divider 11 through trachea 10, one side of gas flow divider 11 is provided with air compressor machine 12, the output of air compressor machine 12 passes through an input of pipeline fixed connection at gas flow divider 11, gas flow divider 11 is provided with two delivery outlets, two delivery outlets are two trachea 10 of fixed connection respectively, two trachea 10 can be respectively to gas tank 9 and sleeve 2 gas injection, and then can blow the dust and pass through ash absorption pipeline 4 discharge, the one end of ash absorption pipeline 4 is provided with solenoid valve 5, play the control action, can realize the air entrainment to gas flow divider 11 through air compressor machine 12, the dust can be through ash absorption pipeline 4 discharge.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 ash valve ash leakage collection device, includes valve body (1), ash absorption pipeline (4) and motor (8), its characterized in that: the device is characterized in that a sleeve (2) is fixedly connected to the edge of one side of the outer part of the valve body (1), a connecting pipe (3) is fixedly connected to the outer side of the sleeve (2), one end of the connecting pipe (3) is fixedly connected to the outer side of the ash suction pipeline (4), shaft covers (25) are respectively connected to two sides of the outer part of the valve body (1) through a large supporting frame (6) and a small supporting frame (23), the small supporting frame (23) is located inside the sleeve (2), a speed reducer (7) is fixedly connected to the middle part of the large supporting frame (6), one side of the speed reducer (7) is fixedly connected to the outer part of a motor (8), the output end of the motor (8) is fixedly connected to the input end of the speed reducer (7), a main shaft (18) is fixedly connected to the output end of the speed reducer (7), the outer side of the main shaft (18) is close to an impeller (22) which is fixedly connected to the inner part of the valve body (1), and a sealing mechanism (13) is arranged between the outer side of the main shaft (18) and the large supporting frame (6) and the valve body (1).

Sealing mechanism (13) are including bulge loop (19), flange ring (15), sealed pad (16) and sealed lid (17), the inboard fixed connection of bulge loop (19) is in the outside of main shaft (18), one side middle part fixedly connected with solid fixed ring (21) of flange ring (15), one side fixed connection of solid fixed ring (21) is in the outside one side of valve body (1), the opposite side edge of flange ring (15) passes through bolt (14) and connects sealed pad (16) and sealed lid (17), two sealed pad (16) are the mirror image and distribute in the both sides of bulge loop (19), two be provided with lubricating oil between sealed pad (16).

2. The ash valve ash leakage collection device according to claim 1, wherein: and the middle parts of the flange ring (15), the sealing gasket (16) and the sealing cover (17) are respectively provided with a yielding hole (20).

3. The ash valve ash leakage collection device according to claim 1, wherein: the two sealing gaskets (16) are integrally formed or split.

4. The ash valve ash leakage collection device according to claim 1, wherein: the cross section of the sealing gasket (16) is in a herringbone shape, and the width of the sealing gasket (16) is larger than the sum of the widths of the flange ring (15) and the sealing cover (17).

5. The ash valve ash leakage collection device according to claim 1, wherein: the inner side of the shaft end cover (25) is connected to the outer side of the main shaft (18) through a bearing (24).

6. The ash valve ash leakage collection device according to claim 1, wherein: one end fixedly connected with gas tank (9) of ash suction pipe (4), gas tank (9) and sleeve (2) are all connected with gas shunt (11) through trachea (10), one side of gas shunt (11) is provided with air compressor machine (12), one end of ash suction pipe (4) is provided with solenoid valve (5).