Self-cleaning mine ventilation air methane catalytic treatment device

Abstract

The utility model discloses a self-cleaning type mine ventilation air methane catalytic treatment device, and particularly relates to the technical field of mine equipment, the self-cleaning type mine ventilation air methane catalytic treatment device comprises a high-temperature catalyst for catalyzing mine ventilation air methane, a preheating box is arranged on one side of the outer surface of the high-temperature catalyst, and two filter cartridges are arranged on one side of the outer surface of the preheating box; and connecting pipes are fixedly mounted at one ends of the outer surfaces of the two filter cartridges. According to the self-cleaning type mine ventilation air methane catalytic treatment device disclosed by the utility model, in actual work, the first filter element and the second filter element can be pulled out from the interval among the first mounting ring, the second mounting ring and the third mounting ring by rotating the mounting cover and separating the mounting cover from the filter cartridge, so that the first filter element and the second filter element can be conveniently replaced; when the filter element of one filter cartridge is replaced or cleaned, the other filter cartridge can operate normally, so that the filter element can be replaced without stopping the equipment, and the influence on the working efficiency of the equipment due to the replacement of the filter element is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine equipment technical field, especially relates to self -cleaning type mine windless air catalytic treatment device. BACKGROUND

[0002] Self -cleaning type mine is a kind of modern mine system combined with automation, intelligentization and environmental protection technology, aims at reducing manual intervention, improve production efficiency and reduce environmental pollution, and the main component of mine windless air is methane, it is a kind of available gas energy, but in order to improve the safety of coal production, it is usually diluted by a large amount of ventilation and directly discharged into the atmosphere, the direct discharge of this mine windless air causes the huge waste of limited non-renewable resources on the one hand, and intensifies atmospheric pollution and greenhouse effect on the other hand, and then catalytic treatment equipment is used to catalytically treat mine windless air.

[0003] And the inside of mine windless air often contains some impurities, these impurities enter the inside of catalytic treatment equipment along with windless air, these impurities will adhere to the inside of catalytic treatment equipment, long-term accumulation, it is easy to affect the service life of catalytic treatment equipment, and the catalytic treatment equipment of the present application generally filters the impurities in windless air by filter screen, but the filter screen needs to be replaced or cleaned after long-term use to avoid blockage, and when replacing the filter screen, the equipment needs to be stopped, and it needs to be disassembled, cleaned or replaced, and then the working efficiency is affected, therefore, in order to solve the above defects, the self -cleaning type mine windless air catalytic treatment device is provided. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide self -cleaning type mine windless air catalytic treatment device, which can effectively solve the problem that the catalytic treatment device of prior art needs to be stopped, disassembled, cleaned or replaced when replacing filter screen, and then the working efficiency is affected.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] Self -cleaning type mine windless air catalytic treatment device, including the high-temperature catalytic converter for catalyzing mine windless air in self -cleaning type mine system, the outer surface of the high-temperature catalytic converter is provided with preheating box, and the outer surface of the preheating box is provided with two filter cartridges, the outer surface of the two filter cartridges is fixedly installed with connecting pipe at one end, and the connecting pipe is fixedly installed with three-way ball valve at the end away from the filter cartridge, and the inlet of the three-way ball valve is fixedly installed with inlet pipe;

[0007] The outer surface of two filter cartridges is fixedly connected with a fixed pipe on one side, the outer surface of the preheating box is provided with a fan on one side, and the air inlet of the fan is fixedly installed with a gas conveying pipe, the gas conveying pipe is fixedly connected with the fixed pipe, the opposite ends of the two filter cartridges are threadedly connected with installation covers, and the inner side of the two installation covers is provided with a first filter core and a second filter core.

[0008] Preferably, the inner side of the installation cover is fixedly installed with a first installation ring, the inner side of the installation cover is fixedly installed with a second installation ring on the side of the first installation ring, the inner side of the installation cover is fixedly installed with a third installation ring on the side of the second installation ring, and a plurality of expansion holes are formed in the outer surfaces of the second installation ring and the third installation ring.

[0009] Preferably, the inner side of the installation cover is fixedly installed with a first installation ring, the inner side of the installation cover is fixedly installed with a second installation ring on the side of the first installation ring, the inner side of the installation cover is fixedly installed with a third installation ring on the side of the second installation ring, and a plurality of expansion holes are formed in the outer surfaces of the second installation ring and the third installation ring.

[0010] Preferably, the inner side of the installation cover is fixedly installed with a first installation ring, the inner side of the installation cover is fixedly installed with a second installation ring on the side of the first installation ring, the inner side of the installation cover is fixedly installed with a third installation ring on the side of the second installation ring, and a plurality of expansion holes are formed in the outer surfaces of the second installation ring and the third installation ring.

[0011] Preferably, the inner side of the installation cover is fixedly installed with a first installation ring, the inner side of the installation cover is fixedly installed with a second installation ring on the side of the first installation ring, the inner side of the installation cover is fixedly installed with a third installation ring on the side of the second installation ring, and a plurality of expansion holes are formed in the outer surfaces of the second installation ring and the third installation ring.

[0012] Preferably, the inner side of the installation cover is fixedly installed with a first installation ring, the inner side of the installation cover is fixedly installed with a second installation ring on the side of the first installation ring, the inner side of the installation cover is fixedly installed with a third installation ring on the side of the second installation ring, and a plurality of expansion holes are formed in the outer surfaces of the second installation ring and the third installation ring.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] The utility model discloses a self -cleaning type mine exhausted air catalytic treatment device, through setting up two filter cartridges, in actual work, rotates installation cover, can separate it with filter cartridge, after first filter core and second filter core can be pulled out from the interval of first installation ring, second installation ring and third installation ring, in order to replace it, and through three -way ball valve, can control the flow direction of exhausted air, when one of filter cartridges is replaced or cleans the filter core, another filter cartridge can normally work, thereby need not to stop the equipment and can replace the filter core, avoids the influence equipment's work efficiency because of replacing the filter core. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model.

[0016] Figure 2 It is the filter cartridge structure schematic view of the utility model;

[0017] Figure 3 It is the installation cover structure schematic view of the utility model;

[0018] Figure 4 It is the rubber seal ring structure schematic view of the utility model;

[0019] Figure 5 It is the preheating box sectional structure schematic view of the utility model.

[0020] In the figure: 1, high temperature catalytic converter;2, preheating box;3, exhaust pipe;4, filter cartridge;5, connecting pipe;6, three-way ball valve;7, air inlet pipe;8, fixed pipe;9, fan;10, gas conveying pipe;11, backflow pipe;12, gas outlet;13, air inlet;401, installation cover;402, first filter element;403, second filter element;4021, first installation ring;4022, second installation ring;4023, third installation ring;4024, telescopic hole;4025, spring;4026, inner support plate;4031, rubber seal ring;201, heat exchange pipe;202, installation pipe. Specific implementation

[0021] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0022] The utility model discloses a self-cleaning type mine ventilation air methane catalytic treatment device, as shown in the figure, including the high temperature catalytic converter 1 for catalyzing mine ventilation air methane in the self-cleaning type mine system, high temperature catalytic converter 1 can produce high temperature in its inside, cooperate the catalyst placed in the inside of high temperature catalytic converter 1, to carry out catalytic treatment to the mine ventilation air methane entering the inside of high temperature catalytic converter 1. Figures 1-5

[0023] And high temperature catalytic converter 1 is generally heated by the electric heating equipment or natural gas heating equipment arranged in the inside to the mine ventilation air methane entering the inside, since high temperature catalytic converter 1 is prior art, therefore, here will not be described in detail.

[0024] The outer surface of high temperature catalytic converter 1 one side is equipped with preheating box 2, and the outer surface of preheating box 2 one side is equipped with two filter cartridges 4, and high temperature catalytic converter 1 is located at the right side of preheating box 2, and two filter cartridges 4 are located at the left side of preheating box 2.

[0025] ​The outer surface of the two filter cartridges 4 is fixedly provided with a connecting pipe 5 at one end, and the connecting pipes 5 are fixedly provided with a three-way ball valve 6 at the end away from the filter cartridges 4. The three-way ball valve 6 controls the flow of the medium by rotating the ball, and switches the medium between different channels. The flow direction of the mine ventilation air can be controlled by rotating the ball of the three-way ball valve 6 to switch the mine ventilation air between the two connecting pipes 5.

[0026] The three-way ball valve 6 is fixedly provided with an air inlet pipe 7 at the inlet. The air inlet pipe 7 is connected to the external gas conveying pipe 10, so that the mine ventilation air enters the air inlet pipe 7. The flow direction of the mine ventilation air can be controlled by the three-way ball valve 6, so that the mine ventilation air can enter any one of the connecting pipes 5 through the air inlet pipe 7 and be conveyed to the corresponding filter cartridge 4. When one of the filter cartridges 4 needs to be disassembled and cleaned, the mine ventilation air can enter the other filter cartridge 4 to avoid affecting the normal operation due to the disassembly and cleaning of the filter cartridge 4.

[0027] The outer surface of the two filter cartridges 4 is fixedly provided with a connecting pipe 5 at one end, and the connecting pipes 5 are fixedly provided with a three-way ball valve 6 at the end away from the filter cartridges 4. The three-way ball valve 6 controls the flow of the medium by rotating the ball, and switches the medium between different channels. The flow direction of the mine ventilation air can be controlled by rotating the ball of the three-way ball valve 6 to switch the mine ventilation air between the two connecting pipes 5.

[0028] The air inlet of the fan 9 is fixedly provided with a gas conveying pipe 10, which is fixedly connected to the fixed pipe 8. The filtered mine ventilation air enters the gas conveying pipe 10 through the fixed pipe 8. The opposite end of the filter cartridge 4 is threadedly connected to a mounting cover 401. The mounting cover 401 is threadedly connected to facilitate disassembly and assembly. The inside of the two mounting covers 401 is provided with a first filter core 402 and a second filter core 403. The cross-sectional size of the first filter core 402 is larger than that of the second filter core 403. The first filter core 402 is located on the outer surface of the second filter core 403. The user can separate or connect the mounting cover 401 and the filter cartridge 4 by rotating the mounting cover 401.

[0029] The inside of the mounting cover 401 is fixedly provided with a first mounting ring 4021, a second mounting ring 4022 is fixedly provided on one side of the first mounting ring 4021, and a third mounting ring 4023 is fixedly provided on one side of the second mounting ring 4022. The third mounting ring 4023 is located in the second mounting ring 4022, and the second mounting ring 4022 is located in the first mounting ring 4021.

[0030] The first filter element 402 is located in the space between the first mounting ring 4021 and the second mounting ring 4022, and the second filter element 403 is located in the space between the second mounting ring 4022 and the third mounting ring 4023. The outer surfaces of the second mounting ring 4022 and the third mounting ring 4023 are provided with a plurality of expansion holes 4024, and the expansion holes 4024 are fixedly installed with springs 4025. One end of the spring 4025 close to the opening of the expansion hole 4024 is fixedly installed with an inner supporting plate 4026. When the first filter element 402 and the second filter element 403 are inserted into the space between the first mounting ring 4021, the second mounting ring 4022 and the third mounting ring 4023, the first filter element 402 is inserted into the space between the first mounting ring 4021 and the second mounting ring 4022, and the second filter element 403 is inserted into the space between the second mounting ring 4022 and the third mounting ring 4023. The spring 4025 pushes the inner supporting plate 4026 to contact the inner wall of the first filter element 402 and the second filter element 403, and clamps them from the inside, so as to install the first filter element 402 and the second filter element 403 in the inside of the mounting cover 401.

[0031] The inside of the filter cylinder 4 is fixedly installed with three rubber sealing rings 4031. When the mounting cover 401 provided with the first filter element 402 and the second filter element 403 is connected with the filter cylinder 4, the side of the first filter element 402 and the second filter element 403 away from the mounting cover 401 is inserted into the space of the three rubber sealing rings 4031. The mine ventilation air enters the filter cylinder 4 through the connecting pipe 5, and directly enters the inside of the second filter element 403. The rubber sealing ring 4031 can seal the position where the first filter element 402, the second filter element 403 and the top surface of the filter cylinder 4 contact, so as to avoid that the mine ventilation air directly enters the filter cylinder 4 without passing through the first filter element 402 and the second filter element 403.

[0032] The outer surface of the high-temperature catalyst 1 located on one side of the preheating box 2 is fixedly installed with an air inlet 13, and the outer surface of the high-temperature catalyst 1 located on the other side is fixedly installed with an air outlet 12. One end of the air outlet 12 away from the high-temperature catalyst 1 is fixedly installed with a reflux pipe 11, and the other end of the reflux pipe 11 away from the air outlet 12 is fixedly connected with the outer top surface of the preheating box 2. The medium after catalytic treatment has a certain temperature, and through the reflux pipe 11, the gas medium after catalytic treatment can enter the preheating box 2. The outer surface of the reflux pipe 11 located on the side close to the air outlet 12 is provided with a pipeline for discharging the liquid medium generated after catalytic treatment.

[0033] The inside of the preheating box 2 is fixedly installed with a heat exchange pipe 201, and the outlet of the fan 9 is fixedly connected with the heat exchange pipe 201 through a transmission pipeline. The fan 9 can blow the filtered ventilation air into the heat exchange pipe 201. The medium after catalytic treatment enters the inside of the preheating box 2, and then transmits heat to the medium not subjected to catalysis in the heat exchange pipe 201 through the heat exchange pipe 201, so as to heat the medium not subjected to catalysis.

[0034] The outer surface of the preheating box 2 is fixedly provided with a mounting pipe 202 close to the bottom of one side of the high-temperature catalyst 1, and the mounting pipe 202 is fixedly connected with the heat exchange pipe 201, and the end of the mounting pipe 202 away from the preheating box 2 is fixedly connected with the air inlet 13, and the preheated ventilation air will enter the inside of the high-temperature catalyst 1 through the mounting pipe 202 and the air inlet 13.

[0035] The outer surface of the preheating box 2 is fixedly provided with an exhaust pipe 3 with a valve, and the heat-exchanged gas medium will be discharged through the exhaust pipe 3.

[0036] The working principle of the utility model is as follows: when the fan 9 operates, the ventilation air of the mine enters the inside of one of the filter cartridges 4 through the air inlet pipe 7 and the connecting pipe 5, the first filter element 402 and the second filter element 403 inside the filter cartridge 4 filter the ventilation air of the mine, when the ventilation air of the mine enters the inside of the first filter element 402 and the second filter element 403, the impurities are blocked, and the clean flow material flows out through the first filter element 402 and the second filter element 403, the filtered ventilation air of the mine enters the heat exchange pipe 201, and enters the inside of the high-temperature catalyst 1 through the heat exchange pipe 201, the mounting pipe 202 and the air inlet 13, the catalyst inside the high-temperature catalyst 1 and high temperature can catalyze the ventilation air of the mine, and the catalyzed gas medium enters the preheating box 2 through the backflow pipe 11 to preheat the subsequent ventilation air of the mine, when the first filter element 402 and the second filter element 403 need to be replaced, the rotating mounting cover 401 can separate the first filter element 402 and the second filter element 403 from the filter cartridge 4, then the first filter element 402 and the second filter element 403 can be pulled out from the interval between the first mounting ring 4021, the second mounting ring 4022 and the third mounting ring 4023 to replace them, the flow of the ventilation air of the mine is controlled by rotating the ball of the three-way ball valve 6 to realize the switching of the ventilation air of the mine between the two connecting pipes 5, and the flow direction of the ventilation air of the mine can be controlled, when one of the filter cartridges 4 is replaced or cleaned, the other filter cartridge 4 can normally work.

[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning mine ventilation air methane catalytic treatment device, comprising a high-temperature catalyst (1) used to catalyze mine ventilation air in a self-cleaning mine system, characterized in that: The outer surface side of the high-temperature catalytic converter (1) is provided with a preheating box (2), and the outer surface side of the preheating box (2) is provided with two filter cartridges (4), the outer surface side of the two filter cartridges (4) is fixedly installed with a connecting pipe (5), and the end of the connecting pipe (5) away from the filter cartridge (4) is fixedly installed with a three-way ball valve (6), and the inlet of the three-way ball valve (6) is fixedly installed with an air inlet pipe (7). The outer surface side of the two filter cartridges (4) is fixedly connected with a fixed pipe (8), the outer surface side of the preheating box (2) is provided with a fan (9), and the air inlet (13) of the fan (9) is fixedly installed with a gas conveying pipe (10), the gas conveying pipe (10) is fixedly connected with the fixed pipe (8), and the opposite end of the two filter cartridges (4) is threadedly connected with a mounting cover (401), and the inner side of the two mounting covers (401) is provided with a first filter core (402) and a second filter core (403).

2. The self-cleaning mine ventilation air methane catalytic treatment device according to claim 1, characterized in that: The inner side of the mounting cover (401) is fixedly installed with a first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a second mounting ring (4022) on the side of the first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a third mounting ring (4023) on the side of the second mounting ring (4022), and a plurality of expansion holes (4024) are formed in the outer surfaces of the second mounting ring (4022) and the third mounting ring (4023).

3. The self-cleaning mine ventilation air methane catalytic treatment device of claim 2, wherein: The inner side of the mounting cover (401) is fixedly installed with a first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a second mounting ring (4022) on the side of the first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a third mounting ring (4023) on the side of the second mounting ring (4022), and a plurality of expansion holes (4024) are formed in the outer surfaces of the second mounting ring (4022) and the third mounting ring (4023).

4. The self-cleaning mine ventilation air methane catalytic treatment device of claim 1, wherein: The inner side of the mounting cover (401) is fixedly installed with a first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a second mounting ring (4022) on the side of the first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a third mounting ring (4023) on the side of the second mounting ring (4022), and a plurality of expansion holes (4024) are formed in the outer surfaces of the second mounting ring (4022) and the third mounting ring (4023).

5. The self-cleaning mine ventilation air methane catalytic treatment device of claim 1, wherein: The inner side of the mounting cover (401) is fixedly installed with a first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a second mounting ring (4022) on the side of the first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a third mounting ring (4023) on the side of the second mounting ring (4022), and a plurality of expansion holes (4024) are formed in the outer surfaces of the second mounting ring (4022) and the third mounting ring (4023).

6. The self-cleaning mine ventilation air methane catalytic treatment device of claim 1, wherein: The inner side of the mounting cover (401) is fixedly installed with a first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a second mounting ring (4022) on the side of the first mounting ring (4021), and the inner side of the mounting cover (401) is fixedly installed with a third mounting ring (4023) on the side of the second mounting ring (4022), and a plurality of expansion holes (4024) are formed in the outer surfaces of the second mounting ring (4022) and the third mounting ring (4023). The outer surface side of the preheating box (2) is fixedly installed with an exhaust pipe (3) with a valve.

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