Membrane separation nitrogen making machine for coal mine

Abstract

The utility model discloses a membrane separation nitrogen making machine for a coal mine, which comprises a base, a membrane separation nitrogen making machine main body is arranged at the top of the base, clamping seats are arranged below two sides of the membrane separation nitrogen making machine main body, and the clamping seats are fixed with the bottom; an anti-impact frame is installed at the top of the base, the membrane separation nitrogen making machine body is located in the anti-impact frame, a reinforcing back plate is arranged on the back face of the anti-impact frame, and a baffle is fixed to the upper portion of the front face of the anti-impact frame. Through cooperation of the base, the impact-resistant frame, the shielding cover, the baffle, the protection frame, the ventilation dustproof net, the sealing plate, the reinforcing back plate and other components, the membrane separation nitrogen making machine body arranged on the base can be covered and protected conveniently; meanwhile, coal ash particles in the coal mine are prevented from entering the membrane separation nitrogen making machine main body, and the separation efficiency of the membrane separation nitrogen making machine main body is improved. And moreover, through the arrangement of the reinforcing columns and the rubber supporting rods, the shielding cover has a certain buffering protection effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine, concretely is a membrane separation nitrogen generator for coal mine. BACKGROUND

[0002] Coal mine is the area that human beings exploit coal resources in the coal-rich mining area, and is generally divided into underground coal mine and open coal mine. When the coal seam is far from the ground surface, generally selects to excavate the roadway to mine coal, which is the underground coal mine. When the distance between the coal seam and the ground surface is very close, generally selects to directly strip the surface soil to excavate coal, which is the open coal mine. Most of the coal mines in China belong to underground coal mine. When the coal mine is exploited, a membrane separation nitrogen generator needs to be used, which is a special equipment for separating nitrogen from air by using the selective permeation characteristics of high molecular membrane material. This equipment is mainly used for preventing and inhibiting coal mine fire, gas explosion and other accidents in coal mine safety production.

[0003] The existing membrane separation nitrogen generator has poor protection effect when used in the coal mine, so that the membrane separation nitrogen generator is easily affected by physical factors in the coal mine and is damaged. In addition, during the exploitation of the coal mine, coal ash particles are easily carried into the membrane group with compressed air, adsorbed on the surface or pores of the membrane fiber, resulting in increased gas permeation resistance and decreased separation efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a membrane separation nitrogen generator for coal mine, which is covered and protected by setting the base, impact-resistant frame, shielding cover, baffle, protection frame, ventilation dust screen, sealing plate and reinforced back plate, so as to improve the separation efficiency of the membrane separation nitrogen generator body. In addition, the shielding cover is buffered by setting the reinforcing column and rubber support rod, so as to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A membrane separation nitrogen generator for coal mine, comprising a base, a membrane separation nitrogen generator body is arranged on the top of the base, and clamping seats are arranged below the two sides of the membrane separation nitrogen generator body and fixed to the bottom.

[0007] The top of the base is provided with an anti-impact frame, the membrane separation nitrogen making machine body is located in the inside of the anti-impact frame, the back of the anti-impact frame is provided with a reinforced back plate, the front of the anti-impact frame is fixed with a baffle above, the top of the anti-impact frame is provided with a shielding cover, and the anti-impact frame is fixedly installed with clamping columns around the top, the clamping columns are clamped into corresponding column grooves around the bottom of the shielding cover, and the column grooves are matched with the clamping columns.

[0008] The front of the anti-impact frame is provided with a protection frame below, the inside of the protection frame is provided with a sealing plate in the center, and the both ends of the protection frame are provided with ventilating dustproof nets.

[0009] Preferably, a notch is formed in the front center of the protection frame, and a sealing plate is clamped in the notch.

[0010] Preferably, a pull rod for holding by hand is installed on the front of the sealing plate.

[0011] Preferably, clamping plates are installed on the upper and lower parts of the both ends of the inside of the protection frame, and the clamping plates are clamped into corresponding clamping grooves formed in the lower side walls in the inside of the anti-impact frame.

[0012] Preferably, a groove for hooking by fingers is formed above the outer side surface of the reinforced back plate.

[0013] Preferably, insertion grooves are formed in the both side walls of the back of the inside of the anti-impact frame, and the reinforced back plate is clamped in the insertion grooves.

[0014] Compared with the prior art, the anti-impact frame is provided with a reinforced back plate, a baffle is fixed above the front of the anti-impact frame, a shielding cover is arranged on the top of the anti-impact frame, clamping columns are fixed around the top of the anti-impact frame, the clamping columns are clamped into corresponding column grooves around the bottom of the shielding cover, a protection frame is arranged below the front of the anti-impact frame, a sealing plate is clamped in the front center of the protection frame, clamping plates are installed on the upper and lower parts of the both ends of the inside of the protection frame, the both side walls of the back of the inside of the anti-impact frame are provided with insertion grooves, and the reinforced back plate is clamped in the insertion grooves.

[0015] The base is provided with the anti-impact frame, the membrane separation nitrogen making machine body is located in the inside of the anti-impact frame, the back of the anti-impact frame is provided with the reinforced back plate, the front of the anti-impact frame is fixed with the baffle above, the top of the anti-impact frame is provided with the shielding cover, the anti-impact frame is fixedly installed with the clamping columns around the top, the clamping columns are clamped into the corresponding column grooves around the bottom of the shielding cover, the front of the anti-impact frame is provided with the protection frame below, the inside of the protection frame is provided with the sealing plate in the center, and the both ends of the protection frame are provided with the ventilating dustproof nets. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a rear view structural schematic view of the utility model;

[0018] Fig. 3 It is an explosion separation structural schematic view of the utility model;

[0019] Fig. 4 It isFig. 3 A schematic diagram of the structure viewed from below;

[0020] Fig. 5 This is a schematic diagram of the separate structure of the base, impact-resistant frame, and reinforced back plate of this utility model.

[0021] In the diagram: 1. Base; 2. Impact-resistant frame; 3. Column; 301. Column groove; 4. Cover; 5. Baffle; 6. Protective frame; 601. Plate; 602. Groove; 603. Ventilation and dustproof net; 7. Slot; 701. Sealing plate; 702. Tie rod; 8. Slot; 801. Reinforcing back plate; 9. Membrane separation nitrogen generator body; 10. Socket; 11. Reinforcing column; 12. Rubber support rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figs. 1-5 This utility model provides a technical solution:

[0024] A membrane separation nitrogen generator for coal mines includes a base 1, a membrane separation nitrogen generator body 9 is mounted on the top of the base 1, and a retaining seat 10 is provided on both sides of the lower part of the membrane separation nitrogen generator body 9. The retaining seat 10 is fixed to the bottom. By setting the retaining seat 10, the membrane separation nitrogen generator body 9 can be easily locked and fixed, so as to improve its stability when it is installed.

[0025] An impact-resistant frame 2 is installed on the top of the base 1, which serves to protect the main body 9 of the membrane separation nitrogen generator and prevent damage from collisions caused by other physical factors in the coal mine. The main body 9 of the membrane separation nitrogen generator is located inside the impact-resistant frame 2. A reinforcing back plate 801 is provided on the back of the impact-resistant frame 2 to strengthen the back of the impact-resistant frame 2. A baffle 5 is fixed on the top of the front of the impact-resistant frame 2, and a cover 4 is provided on the top of the impact-resistant frame 2. The top of the impact-resistant frame 2 is fixedly equipped with locking posts 3, which are engaged with corresponding grooves 301 on the bottom of the cover 4. The grooves 301 and the locking posts 3 are compatible. By setting up the locking posts 3 and the grooves 301, the cover 4 can be easily disassembled, opened, and installed.

[0026] The front face of the anti-impact frame 2 is provided with a protective frame 6, the inner center of the protective frame 6 is provided with a sealing plate 701, and the two ends of the protective frame 6 are provided with ventilation dustproof nets 603. By arranging the ventilation dustproof nets 603, the membrane separation nitrogen making machine body 9 can conveniently absorb the gas in the coal mine, and the absorption of coal ash particles is avoided. The inner upper ends of the anti-impact frame 2 are fixedly provided with reinforcing columns 11, and the top of the reinforcing column 11 is fixedly provided with a plurality of groups of rubber supporting rods 12 used for abutting and shielding the cover 4. The front center of the protective frame 6 is provided with a notch 7, and the inner side of the notch 7 is clamped with a sealing plate 701. The front face of the sealing plate 701 is provided with a pull rod 702 used for holding by hand.

[0027] The utility model discloses a base 1, anti-impact frame 2, shielding cover 4, baffle 5, protective frame 6, ventilation dustproof net 603, sealing plate 701 and reinforcing backboard 801 etc. cooperate to conveniently cover the membrane separation nitrogen making machine body 9 arranged on the base 1 and play the role of protection. At the same time, the coal ash particles in the coal mine are prevented from entering the membrane separation nitrogen making machine body 9, and the separation efficiency of the membrane separation nitrogen making machine body 9 is improved. In addition, the reinforcing column 11 and the rubber supporting rod 12 are arranged, so that the shielding cover 4 has a certain effect of buffer protection.

[0028] The upper and lower parts of the inner sides of the two ends of the protective frame 6 are provided with clamping plates 601, and the clamping plates 601 are clamped in the corresponding clamping grooves 602 arranged in the inner lower side walls of the anti-impact frame 2. By arranging the clamping plate 601 and the clamping groove 602, the protective frame 6 can be clamped below the front face of the anti-impact frame 2, so that the protective frame 6 can be easily disassembled and opened, and the membrane separation nitrogen making machine body 9 in the protective frame 6 can be conveniently maintained and cleaned.

[0029] A groove for hooking fingers is arranged on the outer side surface of the reinforcing backboard 801. Insert grooves 8 are arranged in the two side walls of the inner back face of the anti-impact frame 2, and the reinforcing backboard 801 is clamped in the insert grooves 8. By arranging the insert groove 8 and the reinforcing backboard 801, the reinforcing backboard 801 can be conveniently disassembled and taken out, so that the membrane separation nitrogen making machine body 9 can be taken out.

[0030] Further, first, the membrane separation nitrogen making machine body 9 is arranged on the base 1 and located in the inner part of the anti-impact frame 2, then the reinforcing backboard 801 is taken by hand, the two sides of the reinforcing backboard 801 are clamped in the insert grooves 8, so that the anti-impact frame 2 is closed, then the cover 4 is taken, the clamping column 3 arranged at the bottom of the cover 4 is clamped in the column groove 301 arranged at the bottom of the cover 4, so that the cover 4 is clamped on the top of the anti-impact frame 2, and the top of the cover 4 is closed.

[0031] Then, take the protection frame 6, make its inside set card board 601 card into the anti-impact frame 2 inside wall set corresponding card groove 602, simultaneously, take the sealing plate 701 again, make it align card into the slot 7 set on the surface of the protection frame 6, make it close; vice versa, then can make the sealing plate 701 disassembly, in order to the effect of overhaul to the membrane separation nitrogen making machine main body 9.

[0032] The working principle of the membrane separation nitrogen making machine main body 9: start the membrane separation nitrogen making machine, make its one end pipe orifice pass through the dustproof net 603 place and absorb the gas in the coal mine, make the compressed air enter the hollow fiber membrane, the small molecule gas such as oxygen (O2), water vapor (H2O) penetrates fast, discharges through the membrane wall, nitrogen (N2) penetrates slowly, is retained in the membrane, forms high-purity nitrogen, stores, finally, discharges from the pipe orifice set on the other end.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A membrane separation nitrogen generator for coal mine, comprising a base (1), characterized in that: The top of the base (1) is provided with a membrane separation nitrogen generator body (9), and the two sides of the membrane separation nitrogen generator body (9) are provided with clamping seats (10) below, and the clamping seats (10) are fixed with the bottom; The top of the base (1) is provided with an anti-impact frame (2), the membrane separation nitrogen generator body (9) is located in the inside of the anti-impact frame (2), the back of the anti-impact frame (2) is provided with a reinforcing back plate (801), the front of the anti-impact frame (2) is provided with a baffle (5) above, the top of the anti-impact frame (2) is provided with a shielding cover (4), the anti-impact frame (2) is provided with clamping columns (3) around the top, the clamping columns (3) are clamped in the corresponding column grooves (301) around the bottom of the shielding cover (4), and the column grooves (301) and the clamping columns (3) are matched with each other; The front of the anti-impact frame (2) is provided with a protection frame (6), the inside of the protection frame (6) is provided with a sealing plate (701) in the center, and the both ends of the protection frame (6) are provided with ventilation dustproof nets (603); the inside of the anti-impact frame (2) is provided with reinforcing columns (11) above the both ends, and the top of the reinforcing columns (11) is provided with a plurality of groups of rubber supporting rods (12) for abutting against the shielding cover (4).

2. The membrane separation nitrogen generator for coal mine according to claim 1, characterized in that: The front of the protection frame (6) is provided with a notch (7) in the center.

3. The membrane separation nitrogen generator for coal mine according to claim 2, characterized in that: The front of the sealing plate (701) is provided with a pull rod (702) for holding by hand.

4. The membrane separation nitrogen generator for coal mine according to claim 1, characterized in that: The upper and lower parts of the both ends of the inside of the protection frame (6) are provided with clamping plates (601), and the clamping plates (601) are clamped in the corresponding clamping grooves (602) in the lower side wall in the inside of the anti-impact frame (2).

5. The membrane separation nitrogen generator for coal mine according to claim 1, characterized in that: The outer side surface of the reinforcing back plate (801) is provided with a groove for hooking fingers above.

6. The membrane separation nitrogen generator for coal mine according to claim 1, characterized in that: The both side walls of the back of the inside of the anti-impact frame (2) are provided with insertion grooves (8), and the insertion grooves (8) are clamped with the reinforcing back plate (801) in the inside.

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