Waste gas treatment device during aluminum alloy die casting

Abstract

A waste gas treatment device during aluminum alloy die casting comprises a box body and an exhaust pipe, the exhaust pipe is connected to the side, close to the bottom, of the box body in a communicated mode, an air throttle is installed on the exhaust pipe, and a gas guide pipe assembly communicated with the exhaust pipe is installed in the box body. The device further comprises a filtering water tank, a water purifying tank, a long-strip-shaped pipe, a liquid saving valve, a plurality of atomizing nozzles, a plasma purifying tank, a fourth conveying pipe and a water pipe, the filtering water tank is fixedly arranged at the bottom of the tank body, the third conveying pipe penetrates through the filtering water tank, the water purifying tank is fixedly arranged at the bottom of the tank body and located on one side of the filtering water tank, and the water pipe is connected to the water purifying tank in a communicating mode. A liquid saving valve is arranged on the water pipe, the long-strip pipe is transversely arranged in the filtering water tank and communicates with the water pipe, the atomizing nozzles are arranged on the long-strip pipe, a third conveying pipe is connected to the top of the filtering water tank in a communicating mode, a plasma purifying box is connected to the third conveying pipe in a communicating mode, and a fourth conveying pipe is connected to the plasma purifying box in a communicating mode; and the fourth transmission pipe penetrates through the top of the box body.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely relates to a kind of waste gas treatment device when aluminium alloy die casting. BACKGROUND

[0002] Aluminium die casting is a kind of pressure casting parts, is using the pressure casting machine of the die casting mould that is equipped, the aluminium or aluminium alloy heated into liquid is poured into the inlet of pressure casting machine, after pressure casting machine pressure casting, the aluminium parts or aluminium alloy parts of the shape and size of die casting restriction are cast, such parts are usually called aluminium die casting, aluminium alloy die casting process can produce tail gas containing sulfur and nitrogen.

[0003] The waste gas treatment effect of aluminium alloy die casting in prior art is poor, so it cannot meet the qualified standard of waste gas emission, and when unqualified waste gas is discharged, it will pollute the atmosphere, therefore, we propose a device for effectively treating waste gas generated during aluminium alloy die casting. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiency of prior art, and proposes a waste gas treatment device for aluminium alloy die casting, to solve the technical problem that the waste gas treatment effect of aluminium alloy die casting is poor, so it cannot meet the qualified standard of waste gas emission, and when unqualified waste gas is discharged, it will pollute the atmosphere.

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

[0006] The application relates to an exhaust treatment device for aluminum alloy die casting, which comprises a box body and an exhaust pipe, the exhaust pipe is connected to one side of the box body close to the bottom in a communication mode, a throttle valve is arranged on the exhaust pipe, a gas guide pipe assembly in communication with the exhaust pipe is arranged in the box body, the gas guide pipe assembly comprises a first transmission pipe, a second transmission pipe, a plurality of activated carbon filter cartridges, a third transmission pipe, a first bolt, two second bolts and a third bolt, the first transmission pipe is connected to the exhaust pipe in a communication mode, the first bolt is arranged through the exhaust pipe and is screwed with the first transmission pipe, one end of the second transmission pipe is connected to the first transmission pipe in a communication mode, the plurality of activated carbon filter cartridges are fixedly arranged in the wall of the second transmission pipe, the third transmission pipe is connected to the other end of the second transmission pipe in a communication mode, the two second bolts are arranged through the two ends of the second transmission pipe respectively and are screwed into the first transmission pipe and the third transmission pipe respectively, the device further comprises a filter water tank, a clean water tank, a long strip pipe, a liquid throttling valve, a plurality of atomizing nozzles, a plasma purification tank, a fourth transmission pipe and a water pipe, the filter water tank is fixedly arranged at the bottom of the box body and the third transmission pipe passes through the filter water tank, the clean water tank is fixedly arranged at the bottom of the box body and is located at one side of the filter water tank, the water pipe is connected to the clean water tank in a communication mode, the liquid throttling valve is arranged on the water pipe, the long strip pipe is horizontally arranged in the filter water tank and is in communication with the water pipe, the plurality of atomizing nozzles are arranged on the long strip pipe, the plasma purification tank is connected to the top of the filter water tank in a communication mode, the fourth transmission pipe is connected to the plasma purification tank in a communication mode and passes through the top of the box body.

[0007] Working principle:

[0008] When the exhaust gas generated by the die-cast aluminum alloy needs to be treated, first, the exhaust gas enters the gas guide pipe assembly from the exhaust pipe, the exhaust gas enters the first transmission pipe first and is transmitted into the second transmission pipe from the first transmission pipe, at this time, the exhaust gas is filtered by the activated carbon filter cartridges arranged in the second transmission pipe for the first time, then the exhaust gas is filtered into the third transmission pipe and is transmitted into the filter water tank through the third transmission pipe, at this time, the exhaust gas forms bubbles in the filter water tank and flows to the top of the water in the filter water tank, then flows to the top of the filter water tank, at this time, an operator starts the liquid throttling valve, the liquid throttling valve transmits the clean water in the clean water tank into the water pipe and finally sprays out from the atomizing nozzles, the atomized water can spray the gas and reduce the small particles in the gas, then the treated gas flows into the plasma purification tank for purification, finally, the purified gas flows into the fourth transmission pipe and then flows to the outside.

[0009] The application has the following beneficial effects:

[0010] The waste gas discharged in the first time is purified in the first step through the activated carbon filter core, then the discharged waste gas is purified in the second step through the filter water tank, the user can start the liquid saving valve through the water purifying tank, the liquid saving valve transmits the clean water in the water purifying tank into the water pipe, the water in the water pipe is sprayed through the atomizing nozzle and the small particles contained in the waste gas are reduced through the atomized water, then the discharged waste gas in the filter water tank is purified again through the plasma purifying tank, and the waste gas generated during the aluminum alloy die casting is treated through the above-mentioned mode. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model embodiment;

[0012] Figure 2 It is a structural rear view contour structural schematic view of the utility model.

[0013] Mark explanation: tank 1, exhaust pipe 2, throttle valve 3, air guide pipe assembly 4, first transmission pipe 5, second transmission pipe 6, activated carbon filter core 7, third transmission pipe 8, first bolt 9, second bolt 10, third bolt 11, filter water tank 12, water purifying tank 13, long strip pipe 14, air pump 15, sealing washer 17, heating pipe 18, hinge door 19, door handle 20, liquid saving valve 21, atomizing nozzle 22, plasma purifying tank 23, fourth transmission pipe 24, water pipe 25, flow guide plate 26. DETAILED DESCRIPTION

[0014] The technical scheme in the utility model is further explained below in combination with the drawings and embodiments.

[0015] As Figure 1As shown, an aluminum alloy pressure casting exhaust treatment device, comprising a box 1 and an exhaust pipe 2, the exhaust pipe 2 is connected to the box 1 near the bottom of the side, the exhaust pipe 2 is provided with a throttle valve 3, the box 1 is provided with a gas guide pipe assembly 4 communicated with the exhaust pipe 2, the gas guide pipe assembly 4 comprises a first transmission pipe 5, a second transmission pipe 6, a plurality of activated carbon filter 7, a third transmission pipe 8, a first bolt 9, two second bolts 10 and a third bolt 11, the first transmission pipe 5 is communicated with the exhaust pipe 2, the first bolt 9 is provided through the exhaust pipe 2 and is screwed with the first transmission pipe 5, one end of the second transmission pipe 6 is communicated with the first transmission pipe 5, a plurality of activated carbon filter 7 is fixedly arranged in the wall of the second transmission pipe 6, the third transmission pipe 8 is communicated with the other end of the second transmission pipe 6, two second bolts 10 are respectively provided through the two ends of the second transmission pipe 6 and the two second bolts 10 are respectively screwed in the first transmission pipe 5 and the third transmission pipe 8, further comprising a filter water tank 12, a clean water tank 13, a long strip pipe 14, a liquid valve 21, a plurality of atomizing nozzles 22, a plasma purification tank 23, a fourth transmission pipe 24 and a water pipe 25, the filter water tank 12 is fixedly arranged at the bottom of the box 1, and the third transmission pipe 8 is communicated through the filter water tank 12, the clean water tank 13 is fixedly arranged at the bottom of the box 1 and located on one side of the filter water tank 12, and the clean water tank 13 is communicated with the water pipe 25, the water pipe 25 is provided with a liquid valve 21, the long strip pipe 14 is transversely arranged in the filter water tank 12 and communicated with the water pipe 25, a plurality of atomizing nozzles 22 are arranged on the long strip pipe 14, the filter water tank 12 is communicated with the plasma purification tank 23 at the top, the plasma purification tank 23 is communicated with the fourth transmission pipe 24, and the fourth transmission pipe 24 passes through the top of the box 1.

[0016] When the exhaust gas generated by the pressure casting aluminum alloy needs to be treated, first, the exhaust gas enters the gas guide pipe assembly 4 from the exhaust pipe 2, the exhaust gas enters the first transmission pipe 5 first, and then enters the second transmission pipe 6 from the first transmission pipe 5, at this time, the exhaust gas is filtered by the activated carbon filter 7 arranged in the second transmission pipe 6, then the exhaust gas is filtered into the third transmission pipe 8, and then into the filter water tank 12 through the third transmission pipe 8, at this time, the exhaust gas forms bubbles in the filter water tank 12 and flows to the top of the water in the filter water tank 12, then flows to the top of the filter water tank 12, at this time, the operator starts the liquid valve 21, the liquid valve 21 transmits the clean water in the clean water tank 13 to the water pipe 25, and finally sprays out of the atomizing nozzle 22, the atomizing water can spray the exhaust gas, and the small particles in the gas are treated, then the treated gas flows into the plasma purification tank 23 for purification, and finally the purified gas flows into the fourth transmission pipe 24 and then flows to the outside.

[0017] The first time exhaust gas discharged can be purified by the activated carbon filter element 7, then the exhaust gas discharged can be purified again by the filter water tank 12, and the first transmission pipe 5, the second transmission pipe 6 and the third transmission pipe 8 can be replaced and cleaned when working to a certain time by the first bolt 9, the second bolt 10 and the third bolt 11, so that the efficiency of the first transmission pipe 5, the second transmission pipe 6 and the third transmission pipe 8 in treating exhaust gas is ensured, the water in the water tank 13 can be transmitted into the water pipe 25 by starting the liquid saving valve 21, the water in the water pipe 25 is sprayed through the atomizing nozzle 22, and the small particles contained in the exhaust gas are reduced by the atomized water, then the exhaust gas discharged from the filter water tank 12 can be purified again by the plasma purification tank 23, so that the exhaust gas generated during aluminum alloy die casting can be treated.

[0018] As shown in Figure 2 The gas pump 15 is further arranged, and the gas outlet of the gas pump 15 is in communication with the exhaust pipe 2; the sealing gasket 17 is arranged at the connecting position of the water pipe 7 and the filter water tank 6; the two flow guide plates 26 are arranged on the two side walls in the filter water tank 12; the heating pipe 18 is arranged in the fourth transmission pipe 14; the hinged door 19 provided with the observation window and the door handle 20 are arranged, and the hinged door 19 is connected to the box body 1, and the door handle 20 is fixedly arranged on the hinged door 19.

[0019] The exhaust gas generated during aluminum alloy die casting can be quickly discharged into the first transmission pipe 5 by the gas pump 15, and the exhaust gas can be quickly pushed to be purified; the water in the water pipe 25 can be prevented from flowing out of the water tank 13 by the sealing gasket 17; the contact time of the exhaust gas and the water in the filter water tank 12 can be prolonged by the two flow guide plates 26; the first transmission pipe 5, the second transmission pipe 6 and the third transmission pipe 8 can be quickly disassembled and replaced, and the water tank 13 can be refilled by the hinged door 19 and the door handle 20; the treated flue gas can be heated to 350-400 DEG C by the heating pipe 18, so that the harmful nitride can be converted into harmless nitrogen, and the environmental burden can be reduced.

[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An exhaust gas treatment device for an aluminum alloy when pressure casting, comprising a box (1) and an exhaust pipe (2), characterized in that: The exhaust pipe (2) is connected to the side of the box (1) near the bottom, and the air throttle valve (3) is arranged on the exhaust pipe (2). A gas guide pipe assembly (4) is arranged in the box (1) and communicated with the exhaust pipe (2). The gas guide pipe assembly (4) comprises a first transmission pipe (5), a second transmission pipe (6), a plurality of activated carbon filter cartridges (7), a third transmission pipe (8), a first bolt (9), two second bolts (10) and a third bolt (11). The first transmission pipe (5) is communicated with the exhaust pipe (2). The first bolt (9) penetrates the exhaust pipe (2) and is screwed with the first transmission pipe (5). One end of the second transmission pipe (6) is communicated with the first transmission pipe (5). The plurality of activated carbon filter cartridges (7) are fixedly arranged in the wall of the second transmission pipe (6). The third transmission pipe (8) is communicated with the other end of the second transmission pipe (6). The two second bolts (10) penetrate the two ends of the second transmission pipe (6) respectively, and the two second bolts (10) are screwed in the first transmission pipe (5) and the third transmission pipe (8) respectively. It also includes a filter water tank (12), a clean water tank (13), a long pipe (14), a liquid valve (21), a plurality of atomizing nozzles (22), a plasma purification tank (23), a fourth transmission pipe (24) and a water pipe (25). The filter water tank (12) is fixedly arranged at the bottom of the box (1), and the third transmission pipe (8) penetrates the filter water tank (12). The clean water tank (13) is fixedly arranged at the bottom of the box (1) and located on one side of the filter water tank (12). The water pipe (25) is communicated with the water pipe (25). The water pipe (25) is provided with a liquid valve (21). The long pipe (14) is horizontally arranged in the filter water tank (12) and communicated with the water pipe (25). The plurality of atomizing nozzles (22) are arranged on the long pipe (14). The filter water tank (12) is communicated with the plasma purification tank (23) at the top. The plasma purification tank (23) is communicated with the fourth transmission pipe (24), and the fourth transmission pipe (24) penetrates the top of the box (1).

2. The device for treating exhaust gas from an aluminum alloy die-casting process according to claim 1, characterized in that: It also includes an air pump (15), and the air outlet end of the air pump (15) is communicated with the exhaust pipe (2).

3. The device for treating exhaust gas from an aluminum alloy die-casting process according to claim 1, characterized in that: It also includes a sealing washer (17), which is arranged at the connection between the water pipe (7) and the filter water tank (6).

4. The device for treating exhaust gas from an aluminum alloy die-casting process according to claim 1, characterized in that: It also includes two guide plates (26), which are arranged on the two side walls in the filter water tank (12).

5. The device for treating exhaust gas from an aluminum alloy die-casting process according to claim 1, characterized in that: It also includes a heating pipe (18), which is arranged in the fourth transmission pipe (14).

6. The device for treating exhaust gas from an aluminum alloy die-casting process according to claim 1, characterized in that: It also includes a hinged door (19) provided with an observation window and a door handle (20). The hinged door (19) is connected to the box (1), and the door handle (20) is fixedly arranged on the hinged door (19).

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