A hydrogen sulfide adsorption purification and recovery device for underground coal mine

Abstract

The application discloses a kind of coal mine underground hydrogen sulfide adsorption purification recovery device, it is related to harmful gas treatment technical field, including base, its lower end surface is provided with multiple wheel groups, and one side is fixedly connected with mobile car body;Rotational flow separator is fixed in the upper end surface of the base away from the mobile car body, and the lower end of rotational flow separator is fixed with dust collection box;Air inlet pipe is fixed in the air inlet end of the rotational flow separator;Processing assembly is fixed in the upper end surface of the base, and is communicated with the air outlet end of rotational flow separator, and processing assembly includes box and four adsorption assemblies.The base wheel group and mobile car body of the present application can realize the purpose of compact size and flexible movement, greatly facilitate underground transportation and installation, and the rotational flow separator arranged at the front end can remove dust in gas in advance, avoid adsorption plate blockage, effectively extend the replacement cycle, and the processing assembly uses four-layer modular adsorption assembly, which can multi-stage adsorption of dust-removed gas, thereby ensuring high adsorption efficiency.

Description

Technical Field

[0001] This invention relates to the field of hazardous gas treatment technology, specifically a hydrogen sulfide adsorption, purification and recovery device for underground coal mines. Background Technology

[0002] Some coal seams and associated strata in underground coal mines contain high concentrations of hydrogen sulfide gas. Hydrogen sulfide is not only highly toxic, but also corrosive and flammable. When it accumulates underground to a certain concentration, it will seriously threaten the safe production of the mine and the lives of the workers.

[0003] Currently, commonly used hydrogen sulfide treatment methods mainly include ventilation dilution, chemical spray absorption, and fixed adsorption bed purification. Among them, fixed adsorption beds have advantages such as high treatment efficiency and stable operation, but they generally have the following problems: frequent replacement of adsorbent, large maintenance workload, and inability to ensure edge sealing after replacement, resulting in gas leakage from the edges and affecting the adsorption effect; large equipment size, which is not conducive to underground transportation and installation; lack of online regeneration function of adsorbent; and low recycling rate, resulting in resource waste.

[0004] To address the above problems, this invention provides a hydrogen sulfide adsorption, purification, and recovery device for underground coal mines, thereby solving the aforementioned issues. Summary of the Invention

[0005] To achieve the above objectives, the present invention provides the following technical solution: a hydrogen sulfide adsorption, purification, and recovery device for underground coal mines, comprising: The base has multiple wheel sets on its lower end face, and one side of it is fixedly connected to the mobile vehicle body; A cyclone separator is fixed to the upper surface of the base away from the mobile vehicle body, and a dust collection box is fixed to the lower end of the cyclone separator; The air inlet pipe is fixed at the air inlet end of the cyclone separator; The processing component is fixed to the upper surface of the base and communicates with the outlet of the cyclone separator. The processing component includes a housing and four adsorption components. The four adsorption components are all arranged in the housing and are arranged from bottom to top as the first adsorption component, the second adsorption component, the third adsorption component and the fourth adsorption component. The exhaust pipe has one end connected to the side of the housing away from the cyclone separator, and the other end connected to an exhaust pipe. The regeneration component is fixed to the upper surface of the base near the mobile vehicle body and is in communication with the housing.

[0006] Furthermore, a flow equalization plate is fixed to the bottom of the box, and a sealing plate is provided between each of the four adsorption components. The sealing plate is fixedly connected to the box, and the first adsorption component, the second adsorption component, the third adsorption component, and the fourth adsorption component all have the same structure.

[0007] Further, the first adsorption component includes: The pull-out compartment is slidably installed inside the housing using two track assemblies; The adsorption plate is detachably installed in the middle of the pull-out compartment; A sealing assembly is located on one side of the pull-out compartment.

[0008] Furthermore, the upper and lower ends of the pull-out compartment are symmetrically provided with annular compartments, and the side of the pull-out compartment corresponding to the sealing component is provided with a piston compartment horizontally. The piston compartment is provided with a filling and discharging channel vertically at its end, and the filling and discharging channel passes through the pull-out compartment and communicates with the annular compartment.

[0009] Furthermore, the sealing assembly includes: The piston is sealed and slidably disposed within the piston chamber; A handle is fixed to one end of the piston and located outside the piston chamber; The sealing bladder is configured as two, each fixed inside one of the two annular compartments.

[0010] Furthermore, the orbital assembly includes: A fixed track is fixed inside the box. The guide plate is fixed at the middle position of the fixed track and is located on the side away from the box body; The first limiting components are configured in multiples and are fixed at equal intervals above the fixed track; The second limiting component is configured in multiple ways, and is fixed at equal intervals below the fixed track, and corresponds one-to-one with the multiple first limiting components; A sliding track is fixed to the side wall of the pull-out compartment and slidably connected to the guide plate, and is located between a plurality of first limiting components and second limiting components.

[0011] Furthermore, the first limiting component and the second limiting component have the same structure, both including: The mounting plate is installed within the fixed track; Multiple balls are configured to roll at equal intervals within the mounting plate; In this process, multiple balls are in contact with the upper and lower end faces of the sliding track.

[0012] Furthermore, the first limiting component also includes a connecting post, which is fixed to the end face of the mounting plate near the fixed track. A fixed post is slidably sleeved on the connecting post, and the fixed post is fixedly connected to the fixed track. A limiting spring is provided between the connecting post and the fixed post. The second limiting component also includes a limiting post, the two ends of which are fixedly connected to a fixed track and a mounting plate, respectively.

[0013] The regeneration component includes: The regenerator fan is connected to the housing. The condenser is fixed to the upper surface of the base and communicates with the housing. A gas-liquid separator is fixed on the upper surface of the base and connected to the output end of the condenser. Its gas outlet is fixed with a desorbed gas outlet, which is connected to an external gas collection tank. The liquid storage tank is fixed to the upper end face of the base and is connected to the liquid outlet end of the gas-liquid separator.

[0014] Compared with the prior art, the present invention provides a hydrogen sulfide adsorption, purification and recovery device for underground coal mines, which has the following beneficial effects: This invention achieves a compact size and flexible mobility through the base wheel assembly and mobile vehicle body, greatly facilitating underground transportation and installation. The cyclone separator at the front end can remove dust from the gas in advance, avoiding clogging of the adsorption plate and effectively extending the replacement cycle. The processing component adopts a four-layer modular adsorption component, which can perform multi-stage adsorption on the dust-removed gas, thereby ensuring high adsorption efficiency.

[0015] The adsorption component of this invention adopts a pull-out adsorption component in conjunction with a track component, which makes replacement quick and labor-saving. After replacement, the sealing bladder of the sealing component expands and tightly adheres to the sealing plate, achieving automatic and reliable sealing after replacement, thus solving the problem of edge leakage after traditional replacement.

[0016] This invention, by setting up a regeneration component, enables online thermal desorption of the saturated adsorbent after the adsorption plate becomes saturated. The desorbed gas is then condensed and separated for recovery, achieving adsorbent recycling and resource recovery. This significantly reduces maintenance workload and material consumption, and improves safety and economy. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the first adsorption component of the present invention; Figure 3 This is a schematic diagram of the sealing assembly structure of the present invention; Figure 4 This is a partial structural diagram of the track assembly of the present invention; Figure 5 This is a schematic diagram of the first limiting component structure of the present invention; In the diagram: 1. Base; 2. Cyclone separator; 3. Inlet pipe; 4. Processing component; 5. Outlet pipe; 6. Exhaust pipe; 7. Regeneration fan; 8. Condenser; 9. Gas-liquid separator; 10. Storage tank; 11. Desorbed gas outlet; 41. Sealing plate; 42. Flow equalization plate; 43. Pull-out compartment; 44. Adsorption plate; 45. Sealing component; 46. Track component; 431. Annular compartment; 432. Piston compartment; 433. Filling / discharging channel; 451. Piston; 452. Handle; 453. Sealing bladder; 461. Fixed track; 462. Guide plate; 463. First limiting component; 464. Second limiting component; 465. Sliding track; 466. Mounting plate; 467. Ball bearing; 468. Connecting column; 469. Fixed column. Detailed Implementation

[0018] Reference Figures 1-5 This invention provides a technical solution: a hydrogen sulfide adsorption, purification, and recovery device for underground coal mines, comprising: The base 1 has multiple wheel sets on its lower end face, and one side of it is fixedly connected to the mobile vehicle body; The cyclone separator 2 is fixed to the upper surface of the base 1 away from the mobile vehicle body, and a dust collection box is fixed to the lower end of the cyclone separator 2. The air inlet pipe 3 is fixed at the air inlet end of the cyclone separator 2; The processing component 4 is fixed on the upper surface of the base 1 and is connected to the outlet of the cyclone separator 2. The processing component 4 includes a box and four adsorption components. The four adsorption components are all arranged in the box and are arranged from bottom to top as the first adsorption component, the second adsorption component, the third adsorption component and the fourth adsorption component. The exhaust pipe 5 has one end connected to the side of the housing away from the cyclone separator 2, and the other end connected to the exhaust pipe 6. The regeneration component is fixed to the upper surface of the base 1 near the mobile vehicle body and is in communication with the housing.

[0019] In this embodiment, a flow equalization plate 42 is fixed at the bottom of the box, and a sealing plate 41 is provided between each of the four adsorption components. The sealing plate 41 is fixedly connected to the box, and the first adsorption component, the second adsorption component, the third adsorption component and the fourth adsorption component have the same structure.

[0020] It should be noted that the interior of the chamber is divided into a left air intake zone, a middle adsorption zone, and a right air outlet zone by a partition. The air intake zone is connected to the outlet end of the cyclone separator 2, and the partition of the air intake zone has a connecting hole near the bottom to allow gas to enter from the bottom of the adsorption zone and be evenly distributed by the flow equalization plate 42. The partition of the air outlet zone has connecting holes near the top and bottom, and the air outlet zone is connected to the air outlet pipe 5 and the regeneration component. The connection points are controlled by control valves to open and close.

[0021] In this embodiment, the first adsorption component includes: The pull-out compartment 43 is slidably disposed inside the housing using two track assemblies 46; The adsorption plate 44 is detachably disposed in the middle position of the pull-out compartment 43; A sealing assembly 45 is disposed on one side of the pull-out compartment 43.

[0022] In addition, the upper and lower ends of the pull-out compartment 43 are symmetrically provided with annular compartments 431. The pull-out compartment 43 is provided with a piston compartment 432 horizontally inside the side corresponding to the sealing component 45. The piston compartment 432 is provided with a filling and discharging channel 433 vertically at its end. The filling and discharging channel 433 passes through the pull-out compartment 43 and communicates with the annular compartment 431.

[0023] In a preferred embodiment, the sealing assembly 45 includes: Piston 451 is sealed and slidably disposed within piston chamber 432; Handle 452 is fixed to one end of piston 451 and located outside piston chamber 432; Two sealing bladders 453 are configured and fixed in the two annular compartments 431 respectively.

[0024] It should be noted that the sealing bladder 453 is completely located inside the annular compartment 431 when it is in the contracted state, so as to avoid damage to it when the pull-out compartment 43 slides.

[0025] In a preferred embodiment, the track assembly 46 includes: Fixed track 461 is fixed inside the box; The guide plate 462 is fixed at the middle position of the fixed track 461 and is located on the side away from the box body; The first limiting component 463 is configured in multiple ways and is fixed at equal intervals above the fixed track 461; The second limiting component 464 is configured in multiple ways, and is fixed at equal intervals below the fixed track 461, and corresponds one-to-one with the multiple first limiting components 463; The sliding track 465 is fixed to the side wall of the pull-out compartment 43 and is slidably connected to the guide plate 462, and is located between the plurality of first limiting components 463 and second limiting components 464.

[0026] When the adsorption plate 44 needs to be replaced, first open the chamber door, then pull the handle 452 outward. The piston 451 retracts, causing the medium inside the sealing bladder 453 to be drawn back and contract, thus separating the sealing bladder 453 from the sealing plate 41. Then, pull out the pull-out chamber 43, remove the old adsorption plate 44 and replace it with a new one. After pushing the pull-out chamber 43 in, push the handle 452 back inward. The piston 451 compresses the medium, causing the sealing bladder 453 to expand and tightly adhere to the sealing plate 41, completing the seal. The device can then resume normal adsorption.

[0027] In a preferred embodiment, the first limiting component 463 and the second limiting component 464 have the same structure, both including: Mounting plate 466 is disposed within the fixed track 461; Multiple balls 467 are configured to roll at equal intervals within the mounting plate 466; In this process, multiple balls 467 are in contact with the upper and lower end faces of the sliding track 465.

[0028] Preferably, the first limiting component 463 further includes a connecting post 468, which is fixed on the end face of the mounting plate 466 near the fixed track 461. A fixed post 469 is slidably sleeved on the connecting post 468. The fixed post 469 is fixedly connected to the fixed track 461, and a limiting spring is provided between the connecting post 468 and the fixed post 469. The second limiting component 464 also includes a limiting post, the two ends of which are fixedly connected to the fixed track 461 and the mounting plate 466, respectively.

[0029] In other words, when the pull-out compartment 43 slides in, it can be pressed by the first limiting component 463 to perform soft limiting and prevent the pull-out compartment 43 from sliding freely.

[0030] The regeneration component includes: The regeneration fan 7 is connected to the housing; The condenser 8 is fixed to the upper surface of the base 1 and is connected to the housing; The gas-liquid separator 9 is fixed on the upper end face of the base 1 and is connected to the output end of the condenser 8. Its gas outlet end is fixed with a desorbed gas outlet 11, which is connected to an external gas collection tank. The liquid storage tank 10 is fixed to the upper end face of the base 1 and is connected to the liquid outlet end of the gas-liquid separator 9.

[0031] It should be noted that the inlet of condenser 8 is directly connected to the connecting hole at the bottom of the outlet area, which is used to collect desorbed gas.

[0032] In other words, when the adsorption plate 44 is saturated, the control valves of the inlet pipe 3 and the outlet pipe 5 are closed, the control valve of the regeneration pipeline is opened, and the regeneration fan 7 introduces hot air into the outlet zone. The hot air passes through each adsorption layer from the top of the adsorption zone downwards in the reverse direction to desorb. The desorbed hydrogen sulfide-rich gas enters the condenser 8 through the bottom of the outlet zone, and then enters the gas-liquid separator 9 for gas-liquid separation. The separated liquid product flows into the storage tank 10 for recovery, while the gas is sent to the external gas collection tank through the desorbed gas outlet 11 to achieve resource recovery.

[0033] In practice, the mine gas containing dust and hydrogen sulfide enters the cyclone separator 2 through the inlet pipe 3 for pretreatment. The dust is centrifugally separated and falls into the dust collection box. The gas after pre-dust removal enters the inlet area of ​​the box and enters the adsorption area through the bottom connecting hole and the flow equalization plate 42. The airflow passes through the four adsorption components from bottom to top. The hydrogen sulfide is captured by the adsorption plate 44. The purified gas enters the outlet area from the top of the adsorption area. At this time, the control valve of the outlet pipe 5 is opened and the control valve of the regeneration pipeline is closed. The clean gas is discharged through the outlet pipe 5 and the exhaust pipe 6, completing the adsorption and purification of the gas.

[0034] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A hydrogen sulfide adsorption, purification, and recovery device for underground coal mines, characterized in that, include: The base (1) has multiple wheel sets on its lower end face and one side of it is fixedly connected to the mobile vehicle body; A cyclone separator (2) is fixed on the upper surface of the base (1) away from the mobile vehicle body, and a dust collection box is fixed at the lower end of the cyclone separator (2). The air inlet pipe (3) is fixed at the air inlet end of the cyclone separator (2); The processing component (4) is fixed on the upper surface of the base (1) and connected to the outlet of the cyclone separator (2). The processing component (4) includes a box and four adsorption components. The four adsorption components are all arranged in the box and are arranged from bottom to top as the first adsorption component, the second adsorption component, the third adsorption component and the fourth adsorption component. The exhaust pipe (5) is connected at one end to the side of the housing away from the cyclone separator (2), and at the other end to the exhaust pipe (6). The regeneration component is fixed to the upper surface of the base (1) near the mobile vehicle body and is in communication with the box body.

2. The hydrogen sulfide adsorption, purification, and recovery device for underground coal mines according to claim 1, characterized in that, A flow equalization plate (42) is fixed at the bottom of the box, and a sealing plate (41) is provided between each of the four adsorption components. The sealing plate (41) is fixedly connected to the box, and the first adsorption component, the second adsorption component, the third adsorption component and the fourth adsorption component have the same structure.

3. The hydrogen sulfide adsorption, purification, and recovery device for underground coal mines according to claim 1, characterized in that, The first adsorption component includes: The pull-out compartment (43) is slidably disposed inside the housing using two track assemblies (46); The adsorption plate (44) is detachably disposed in the middle of the pull-out compartment (43); A sealing assembly (45) is provided on one side of the pull-out compartment (43).

4. The underground hydrogen sulfide adsorption, purification, and recovery device for coal mines according to claim 3, characterized in that, The pull-out compartment (43) has an annular compartment (431) symmetrically opened at both ends. The pull-out compartment (43) has a piston compartment (432) horizontally opened on the side corresponding to the sealing component (45). The piston compartment (432) has a filling and discharging channel (433) vertically opened at the end of the piston compartment (432). The filling and discharging channel (433) passes through the pull-out compartment (43) and communicates with the annular compartment (431).

5. The hydrogen sulfide adsorption, purification, and recovery device for underground coal mines according to claim 4, characterized in that, The sealing assembly (45) includes: The piston (451) is sealed and slidably disposed within the piston chamber (432); A handle (452) is fixed to one end of the piston (451) and located outside the piston chamber (432); The sealing sacs (453) are configured as two, each fixed inside one of the two annular compartments (431).

6. The underground hydrogen sulfide adsorption, purification, and recovery device for coal mines according to claim 3, characterized in that, The track assembly (46) includes: Fixed track (461) is fixed inside the box; The guide plate (462) is fixed at the middle position of the fixed track (461) and is located on the side away from the box body; The first limiting components (463) are configured in multiples and are fixed at equal intervals above the fixed track (461); The second limiting component (464) is configured in multiple ways, and is fixed at equal intervals below the fixed track (461), and corresponds one-to-one with the multiple first limiting components (463); The sliding track (465) is fixed to the side wall of the pull-out compartment (43) and is slidably connected to the guide plate (462), and is located between the plurality of first limiting components (463) and second limiting components (464).

7. The hydrogen sulfide adsorption, purification, and recovery device for underground coal mines according to claim 6, characterized in that, The first limiting component (463) and the second limiting component (464) have the same structure, both including: Mounting plate (466) is disposed within the fixed track (461); Multiple balls (467) are configured to roll at equal intervals within the mounting plate (466); Among them, multiple balls (467) are in contact with the upper and lower end faces of the sliding track (465).

8. The hydrogen sulfide adsorption, purification, and recovery device for underground coal mines according to claim 7, characterized in that, The first limiting component (463) further includes a connecting post (468), which is fixed on the end face of the mounting plate (466) near the fixed track (461). A fixed post (469) is slidably sleeved on the connecting post (468). The fixed post (469) is fixedly connected to the fixed track (461), and a limiting spring is provided between the connecting post (468) and the fixed post (469). The second limiting component (464) also includes a limiting post, the two ends of which are fixedly connected to the fixed rail (461) and the mounting plate (466) respectively.

9. The hydrogen sulfide adsorption, purification, and recovery device for underground coal mines according to claim 1, characterized in that, The regeneration component includes: The regenerator fan (7) is connected to the housing; The condenser (8) is fixed to the upper end face of the base (1) and is in communication with the housing; A gas-liquid separator (9) is fixed on the upper surface of the base (1) and connected to the output end of the condenser (8). Its gas outlet is fixed with a desorbed gas outlet (11), which is connected to an external gas collection tank. The liquid storage tank (10) is fixed on the upper surface of the base (1) and is connected to the liquid outlet of the gas-liquid separator (9).

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