Air treatment device for underground mine

Abstract

The utility model provides an air treatment device for an underground mine, which comprises a purification device, the purification device is used for purifying air in the mine, a cooling device and a power device are arranged on the purification device, the cooling device is used for cooling carbon dioxide in the air, and the power device is used for supplying power to the cooling device. The power device is used for sucking air and continuously collecting liquid carbon dioxide. According to the purification device, through continuous up-down movement of an up-down moving block, gas outside a mine hole is sucked into a gas inlet cavity, air in the gas inlet cavity is pushed into a filtering cavity and a water tank, multi-layer filtering is conducted, the entering gas has certain pressure, follow-up liquefaction collection of carbon dioxide is facilitated, and the treatment effect is good; according to the cooling device, carbon dioxide in air is liquefied in the mode that liquid nitrogen is combined with the conduction pieces, the size of the carbon dioxide is reduced, collection is convenient, and due to the fact that the liquefaction temperature of other gas in the air is greatly lower than that of the carbon dioxide, the separation effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to air treatment technical field, especially relate to a kind of air treatment device for underground mine. BACKGROUND

[0002] CCUS is one of the key technologies to address climate change, by capturing, using and storing carbon dioxide, can reduce the concentration of greenhouse gases in the atmosphere, alleviate global warming. CCUS is one of the key technologies to address climate change, by capturing, using and storing carbon dioxide, can reduce the concentration of greenhouse gases in the atmosphere, alleviate global warming. There may be excess carbon dioxide gas in underground mine, carbon dioxide needs to be treated to prevent harm to underground mine workers or bring security risks;The carbon dioxide treatment device of underground mine in prior art usually only adsorbs carbon dioxide simply, cannot collect and utilize carbon dioxide efficiently, and gas occupies a large space, requiring a large collection space. INVENTION CONTENTS

[0003] In view of the above prior art problems, the utility model provides an air treatment device for underground mine, which can purify air and further liquefy and collect carbon dioxide.

[0004] The utility model provides a technical scheme: an air treatment device for underground mine, comprising a purification device for purifying air in the mine, the purification device comprising a base, a upper shell fixedly installed on the base, an air inlet cavity and a filter cavity arranged in the upper shell, an inner column fixedly installed on the base, an upper and lower moving block slidingly installed on the inner column, a lifting rod fixedly installed on the upper and lower moving block, a cooling device arranged on the purification device for cooling carbon dioxide in the air, and a power device for sucking air and continuously collecting liquid carbon dioxide, the power device comprising a motor fixedly installed in the upper shell, and a transmission mechanism arranged on the output end of the motor for driving the lifting rod to lift.

[0005] Further, two one-way mechanisms are arranged in the upper shell, one one-way mechanism is arranged on the outer wall of the upper shell, and the other one-way mechanism is arranged between the air inlet cavity and the filter cavity, the one-way mechanism comprising a one-way shell, a stop block fixedly installed on the one-way shell, and a one-way rotating plate rotatably installed on the one-way shell for sucking gas.

[0006] Further, a filter screen is fixedly installed above the filter cavity, a water tank is fixedly installed in the upper shell, an intermediate partition plate is fixedly installed in the water tank, and the water tank contains filter water for removing soluble toxic gas components in the air, gas ports are arranged on both sides of the water tank, and the gas ports are located above the liquid level of the liquid in the intermediate partition plate.

[0007] Further, the cooling device comprises a conduction sheet fixedly installed in the upper shell, a liquid nitrogen cavity below the conduction sheet, a cooling cavity above the conduction sheet, a collecting box fixedly installed in the liquid nitrogen cavity, an outlet valve arranged on the side of the cooling cavity, and the outlet valve being in communication with the collecting box,

[0008] Further, the conduction sheet is provided with a plurality of fins for increasing the heat exchange contact area, a landslide is arranged beside the conduction sheet, and the collecting box is below the landslide.

[0009] Further, the liquid nitrogen cavity is filled with liquid nitrogen, and the side wall of the upper shell is provided with a liquid inlet hole for supplementing the liquid nitrogen, and the liquid inlet hole is provided with a one-way valve.

[0010] Further, the transmission mechanism comprises a motor gear fixedly installed on the motor shaft of the motor, an inner transmission gear rotatably installed in the upper shell, an outer transmission gear coaxially and fixedly installed on the inner transmission gear, a center turntable rotatably installed in the upper shell, a center gear fixedly installed on the center turntable, the motor gear being engaged with the outer transmission gear, and the inner transmission gear being engaged with the center gear, an eccentric rotating block eccentrically and rotatably installed on the center turntable, a driving rod rotatably installed on the eccentric rotating block, a top block fixedly installed on the driving rod, a top guide column fixedly installed on the upper shell, the top block being slidably installed on the top guide column, and the top block being fixedly installed on the lifting rod.

[0011] Further, two lead screws are rotatably installed in the upper shell, a lead screw sleeve is fixedly installed on the lead screw, a lead screw gear is fixedly installed on the lead screw sleeve, the lead screw gear is engaged with the center gear, a butt joint block is threadedly and rotatably installed on the lead screw, and two collecting bottles are detachably installed on the butt joint block.

[0012] Further, the butt joint block is in a hollow structure, and a one-way valve is arranged on the butt joint block and in communication with the collecting bottles.

[0013] Further, an opening plate is detachably installed on the upper shell, and an observation hole is arranged on the side of the upper shell.

[0014] The utility model discloses a beneficial effect compared with prior art is: (1) the purification device that the utility model sets up is through the constant up and down movement of upper and lower moving blocks, to the gas of mine cave outside is sucked into the air inlet cavity, and the air in the air inlet cavity is pushed into the filter chamber and water tank, carries out multilayer filtration, and the gas that enters has certain pressure, and the liquefaction collection of subsequent carbon dioxide is convenient, and the processing effect is good, (2) the cooling device that the utility model sets up is through the mode of liquid nitrogen combination conduction sheet to the carbon dioxide in the air liquefaction, makes the volume of carbon dioxide small, and it is convenient to collect, and simultaneously due to the liquefaction temperature of other gas in the air is all much lower than the liquefaction temperature of carbon dioxide, and the separation effect is good, (3) the utility model sets up the power device constantly drives the docking block to move back and forth, when docking block and export valve butt joint, the liquid nitrogen in collection box is pressed into the collection bottle, and the automatic collection is completed. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is the structure schematic of the purification device of the utility model Figure 1 .

[0017] Figure 3 It is the structure schematic of the purification device of the utility model Figure 2 .

[0018] Figure 4 It is the structure schematic of the utility model one-way mechanism.

[0019] Figure 5 It is the structure schematic of the water tank of the utility model.

[0020] Figure 6 It is the structure schematic of the cooling device of the utility model Figure 1 .

[0021] Figure 7 It is the structure schematic of the cooling device of the utility model Figure 2 .

[0022] Figure 8 It is the structure schematic of the power device of the utility model Figure 1 .

[0023] Figure 9 It is the structure schematic of the power device of the utility model Figure 2 .

[0024] In the figure: 101-base; 102-upper shell; 103-observation hole; 104-air inlet cavity; 105-upper and lower moving blocks; 106-lifting rod; 107-water tank; 108-intermediate partition; 109-filtering cavity; 110-filter screen; 111-one-way shell; 112-one-way rotating plate; 113-stop block; 114-inner stand column; 201-conducting sheet; 202-cooling cavity; 203-liquid nitrogen cavity; 204-outlet valve; 205-landslide; 206-collection tank; 301-motor; 302-top block; 303-top guide column; 304-driving rod; 305-motor gear; 306-outer transmission gear; 307-inner transmission gear; 308-center rotating disc; 309-center gear; 310-eccentric rotating block; 311-screw rod; 312-screw rod sleeve; 313-screw rod gear; 314-butting block; 315-collection bottle; 316-opening plate. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with specific embodiments, wherein the drawings are only used for example description, and the representation is only a schematic diagram, not a real object drawing, and cannot be understood as the limitation of the utility model. In order to better illustrate the specific embodiments of the utility model, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted. Based on the specific embodiments in the utility model, all other specific embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "front", "back", "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0027] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood. For example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Reference Figures 1-9The utility model provides an air treatment device for underground mine, including purifier, the purifier includes base 101, and the upper shell 102 is fixedly installed on base 101, and the purifier is used for purifying the air in the mine, and the purifier is provided with cooling device and power device, and the cooling device includes conducting sheet 201, and the conducting sheet 201 is fixedly installed in the upper shell 102, and the cooling device is used for cooling carbon dioxide in the air, and the power device includes motor 301, and the motor 301 is fixedly installed in the upper shell 102, and the power device is used for sucking air and continuously collecting liquid carbon dioxide.

[0029] As Figures 2-5 shown, the purifier includes observation hole 103 arranged on the upper shell 102, and the upper shell 102 is provided with air inlet cavity 104 and filter cavity 109, and the filter cavity 109 is fixedly installed with filter screen 110 above, and the base 101 is fixedly installed with inner stand 114, and the inner stand 114 is slidingly installed with up-down movable block 105, and the up-down movable block 105 is fixedly installed with lifting rod 106, and the up-down movable block 105 slides along the space inner wall of air inlet cavity 104.

[0030] As Figures 2-5 shown, the upper shell 102 is provided with two one-way mechanisms, one one-way mechanism is located on the outer wall of the upper shell 102 respectively, and the other one-way mechanism is located between air inlet cavity 104 and filter cavity 109, and the one-way mechanism includes one-way shell, and the one-way shell 111 is fixedly installed with stopper 113, and the one-way shell 111 is rotatably installed with one-way rotating plate 112 for realizing gas suction, and due to the existence of stopper 113, the one-way rotating plate 112 can only rotate inward.

[0031] As Figures 2-5 shown, the upper shell 102 is fixedly installed with water tank 107, and the water tank 107 is fixedly installed with intermediate partition plate 108, and the water tank 107 is filled with filtered water, which is used for removing other gas components in the air, and the water tank 107 is provided with gas port on both sides, and the gas port is located above the liquid level of liquid in the intermediate partition plate 108.

[0032] Put the device in the low mine, up and down the block 105 along the inner column 114 rises, through the air chamber 104 and the air pressure difference between the outside, air into the air chamber 104, the outside of the one-way turn plate 112 to the inside, at this time due to the presence of the inner one-way shell 111 on the block 113, the inside of the one-way turn plate 112 does not rotate, then up and down the block 105 along the inner column 114 down, the air in the air chamber 104 is pushed to the filter chamber 109, at this time the inside of the one-way turn plate 112 to the inside, at this time due to the presence of the outer one-way shell 111 on the block 113, the outside of the one-way turn plate 112 does not rotate, due to the continuous rapid lifting of the up and down block 105, the air chamber 104 pushed gas has a certain thrust, the gas after preliminary filtration through the filter screen 110 into the water tank 107, the filtered water in the water tank 107 removes the soluble toxic gas components in the air, and then the gas into the cooling device.

[0033] As shown in Figure 6 , Figure 7 , the cooling device includes a fixedly installed in the upper shell 102 of the conductive sheet 201, the conductive sheet 201 is provided with a plurality of fins, for increasing the heat exchange contact area, the conductive sheet 201 below the liquid nitrogen cavity 203, the conductive sheet 201 above the cooling cavity 202, the liquid nitrogen cavity 203 is fixedly installed with the collection box 206, the conductive sheet 201 is provided with the landslide 205, the collection box 206 is located below the landslide 205, the cooling cavity 202 side is provided with the outlet valve 204, the outlet valve 204 is communicated with the collection box 206.

[0034] As shown in Figure 6 , Figure 7 , the liquid nitrogen cavity 203 is filled with liquid nitrogen, the sidewall of the upper shell 102 is provided with a liquid inlet hole, the liquid inlet hole is provided with a one-way valve, the liquid inlet hole is used to supplement the liquid nitrogen.

[0035] The gas from the water tank 107 into the cooling cavity 202, the low temperature of the liquid nitrogen cavity 203 through the fin on the conductive sheet 201 to cool the air in the cooling cavity 202, because the liquefaction temperature of carbon dioxide is-78.5 ℃, at the same time, because the gas is pressed into by the up and down block 105, so there is a certain pressure in the cooling cavity 202, at this time, by controlling the amount of liquid nitrogen, only carbon dioxide in the air is liquefied, the liquefied carbon dioxide is attached to the conductive sheet 201, and finally flows into the collection box 206 through the landslide 205. Under normal circumstances, the outlet valve 204 is in the closed state, and the liquid carbon dioxide is temporarily stored in the collection box 206.

[0036] As shown in Figure 8 , Figure 9As shown, the power device includes a motor gear 305 fixedly installed on the motor shaft of the motor 301, an inner transmission gear 307 rotatably installed in the upper shell 102, an outer transmission gear 306 fixedly installed on the inner transmission gear 307, a central rotating disc 308 rotatably installed in the upper shell 102, a central gear 309 fixedly installed on the central rotating disc 308, the motor gear 305 is engaged with the outer transmission gear 306, and the inner transmission gear 307 is engaged with the central gear 309.

[0037] As shown in Figure 8 , Figure 9 , the central rotating disc 308 is eccentrically rotatably installed with an eccentric rotating block 310, the eccentric rotating block 310 is rotatably installed with a driving rod 304, the driving rod 304 is fixedly installed with a top block 302, the upper shell 102 is fixedly installed with a top guide column 303, the top block 302 is slidably installed with the top guide column 303, and the top block 302 is fixedly installed with the lifting rod 106.

[0038] As shown in Figure 8 , Figure 9 , the upper shell 102 is rotatably installed with two lead screws 311, the lead screws 311 are fixedly installed with lead screw sleeves 312, the lead screw sleeves 312 are fixedly installed with lead screw gears 313, the lead screw gears 313 are engaged with the central gear 309, the lead screws 311 are threadedly rotatably installed with butt blocks 314, the butt blocks 314 are detachably installed with two collection bottles 315, the butt blocks 314 are hollow inside, the butt blocks 314 are provided with one-way valves, the one-way valves are in communication with the collection bottles 315, and the upper shell 102 is detachably installed with an opening plate 316.

[0039] The motor 301 rotates to drive the motor gear 305 to rotate, thereby driving the outer transmission gear 306 and the inner transmission gear 307 to rotate, thereby driving the central gear 309 and the central rotating disc 308 to rotate, thereby driving the eccentric rotating block 310 to rotate, thereby driving the driving rod 304 and the top block 302 to lift, thereby driving the lifting rod 106 to lift, thereby driving the up-and-down block 105 to lift, the central gear 309 rotates to drive the lead screw gears 313 and the lead screws 311 to rotate, thereby driving the butt blocks 314 to slide back and forth, when the butt blocks 314 move inward, the one-way valves of the butt blocks 314 butt against the outlet valve 204, at this time, the outlet valve 204 is opened, because the pressure in the cooling cavity 202 is larger, the liquid carbon dioxide in the collection tank 206 enters the butt blocks 314 through the outlet valve 204, and finally enters the collection bottles 315, then the butt blocks 314 move outward, each time the one-way valves of the butt blocks 314 butt against the outlet valve 204, the liquid carbon dioxide enters the collection bottles 315, and each time the opening plate 316 is opened, the collection bottles 315 can be taken down, and empty collection bottles 315 can be replaced.

[0040] The working principle of the air treatment device for underground mine is as follows: the device is placed in the underground mine, the motor 301 rotates to drive the motor gear 305 to rotate, thereby driving the outer transmission gear 306 and the inner transmission gear 307 to rotate, thereby driving the center gear 309 and the center turntable 308 to rotate, thereby driving the eccentric rotating block 310 to rotate, thereby driving the driving rod 304 and the top block 302 to lift, thereby driving the lifting rod 106 to lift, thereby driving the up-down moving block 105 to lift, the up-down moving block 105 rises along the inner stand column 114, and the air pressure difference between the air inlet cavity 104 and the outside is used to make the outside air enter the air inlet cavity 104 through the outer one-way shell 111 and the one-way rotating plate 112, the air is sucked into the air inlet cavity 104, the one-way rotating plate 112 on the outside rotates inward, at this time, the one-way rotating plate 112 on the inside does not rotate due to the existence of the blocking block 113 on the one-way shell 111 on the outside, and then the up-down moving block 105 descends along the inner stand column 114, air in the air inlet cavity 104 is pushed into the filter cavity 109, at this time, the one-way rotating plate 112 on the inside rotates inward, at this time, the one-way rotating plate 112 on the outside does not rotate due to the existence of the blocking block 113 on the one-way shell 111 on the outside, and due to the continuous and rapid lifting of the up-down moving block 105, the gas pushed out of the air inlet cavity 104 has a certain thrust, the gas enters the water tank 107 after being preliminarily filtered through the filter screen 110, the filtered water in the water tank 107 removes the soluble toxic gas components in the air, and then the gas enters the cooling device. The gas enters the cooling cavity 202 from the water tank 107, the low temperature of the liquid nitrogen cavity 203 reduces the temperature of the air in the cooling cavity 202 through the fins on the conduction piece 201, the liquefied carbon dioxide is attached to the conduction piece 201, and finally flows into the collection tank 206 through the landslide 205. Under the conventional state, the outlet valve 204 is in the closed state, and the liquid carbon dioxide is temporarily stored in the collection tank 206. The motor 301 rotates to drive the motor gear 305 to rotate, thereby driving the outer transmission gear 306 and the inner transmission gear 307 to rotate, thereby driving the center gear 309 and the center turntable 308 to rotate, the center gear 309 rotates to drive the screw gear 313 and the screw rod 311 to rotate, thereby driving the butt joint block 314 to slide back and forth, when the butt joint block 314 moves inward, the one-way valve of the butt joint block 314 is butted with the outlet valve 204, at this time, the outlet valve 204 is opened, the liquid carbon dioxide in the collection tank 206 enters the butt joint block 314 through the outlet valve 204 due to the large pressure in the cooling cavity 202, and finally enters the collection bottle 315, and then the butt joint block 314 moves outward, the liquid carbon dioxide enters the collection bottle 315 every time the one-way valve of the butt joint block 314 is butted with the outlet valve 204, and the collection bottle 315 can be taken down every time the opening plate 316 is opened, and the empty collection bottle 315 is replaced.

[0041] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and inventive concept of the present application, makes equivalent replacement or change within the technical scope of the present application, which should be covered within the protection scope of the present application.

Claims

1. An air treatment device for use in an underground mine, characterised in that, The application relates to a purification device for purifying air in a mine, which comprises a base (101), a top shell (102) fixedly installed on the base (101), an air inlet cavity (104) and a filter cavity (109) arranged in the top shell (102), an inner stand (114) fixedly installed on the base (101), an up-down moving block (105) slidingly installed on the inner stand (114), a lifting rod (106) fixedly installed on the up-down moving block (105), a cooling device arranged on the purification device for cooling carbon dioxide in the air, and a power device for sucking the air and continuously collecting liquid carbon dioxide, wherein the power device comprises a motor (301) fixedly installed in the top shell (102), and a transmission mechanism arranged on an output end of the motor (301) for driving the lifting rod (106) to lift.

2. An air treatment device for use in an underground mine tunnel as claimed in claim 1, characterised in that, Two one-way mechanisms are arranged in the top shell (102), one one-way mechanism is arranged on an outer wall of the top shell (102), and the other one-way mechanism is arranged between the air inlet cavity (104) and the filter cavity (109), wherein the one-way mechanism comprises a one-way shell (111), a stop block (113) fixedly installed on the one-way shell (111), and a one-way rotating plate (112) rotatably installed on the one-way shell (111) and used for sucking gas.

3. An air treatment device for use in an underground mine tunnel according to claim 1, characterised in that, A filter screen (110) is fixedly installed above the filter cavity (109), a water tank (107) is fixedly installed in the top shell (102), an intermediate partition plate (108) is fixedly installed in the water tank (107), and the water tank (107) contains filter water for removing soluble toxic gas components in the air, air inlets are arranged on both sides of the water tank (107) and located above the liquid surface of the liquid in the intermediate partition plate (108).

4. An air treatment device for use in an underground mine according to claim 1, characterised in that, The cooling device comprises a conduction sheet (201) fixedly installed in the top shell (102), a liquid nitrogen cavity (203) below the conduction sheet (201), a cooling cavity (202) above the conduction sheet (201), a collecting tank (206) fixedly installed in the liquid nitrogen cavity (203), an outlet valve (204) arranged on the side of the cooling cavity (202) and communicated with the collecting tank (206), 5. An air treatment device for use in an underground mine tunnel according to claim 4, characterised in that, A plurality of fins for increasing heat exchange contact area are arranged on the conduction sheet (201), a landslide (205) is arranged beside the conduction sheet (201), and the collecting tank (206) is located below the landslide (205).

6. An air treatment device for use in an underground mine tunnel according to claim 4, characterised in that, Liquid nitrogen is contained in the liquid nitrogen cavity (203), and a liquid inlet hole for supplementing the liquid nitrogen is arranged on the side wall of the top shell (102) and provided with a one-way valve.

7. An air treatment device for use in an underground mine according to claim 1, characterised in that, The transmission mechanism comprises a motor gear (305) fixedly installed on a motor shaft of a motor (301), an inner transmission gear (307) rotatably installed in an upper shell (102), the inner transmission gear (307) being coaxially fixedly installed with an outer transmission gear (306), a central rotating disc (308) rotatably installed in the upper shell (102), the central rotating disc (308) being fixedly installed with a central gear (309), the motor gear (305) being engaged with the outer transmission gear (306), the inner transmission gear (307) being engaged with the central gear (309), the central rotating disc (308) being fixedly installed with an eccentric rotating block (310) eccentrically rotatable, the eccentric rotating block (310) being rotatably installed with a driving rod (304), the driving rod (304) being fixedly installed with a top block (302), the upper shell (102) being fixedly installed with a top guide column (303), the top block (302) being slidably installed with the top guide column (303), and the top block (302) being fixedly installed with the lifting rod (106).

8. An air treatment device for use in an underground mine tunnel according to claim 7, characterised in that, Two lead screws (311) are rotatably installed in the upper shell (102), the lead screws (311) being fixedly installed with lead screw sleeves (312), the lead screw sleeves (312) being fixedly installed with lead screw gears (313), the lead screw gears (313) being engaged with the central gear (309), the lead screws (311) being threadedly rotatably installed with butt blocks (314), and the butt blocks (314) being detachably installed with two collecting bottles (315).

9. An air treatment device for use in an underground mine tunnel according to claim 8, characterised in that, The butt block (314) is of a hollow structure, the butt block (314) is provided with a one-way valve, and the one-way valve is communicated with the collecting bottles (315).

10. An air treatment device for use in an underground mine according to claim 1, characterised in that, The upper shell (102) is detachably installed with an opening plate (316), and the upper shell (102) is provided with an observation hole (103) in a side surface. The upper shell (102) is detachably installed with an opening plate (316), and the upper shell (102) is provided with an observation hole (103) in a side surface.

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