Gas treatment device for preparing aluminum oxide ceramic product through low-temperature sintering

Abstract

The utility model relates to the technical field of aluminum oxide ceramic product production, in particular to a gas treatment device for preparing an aluminum oxide ceramic product through low-temperature sintering, which not only can filter dust in flue gas, but also can purify the flue gas. Volatile organic compounds, water vapor, sulfur oxides and nitrogen oxides in the flue gas can be treated, so that the flue gas treatment effect is improved, and the flue gas is prevented from polluting the environment; comprising a box body, a gas inlet pipe, a box door, a first handle, a first treatment box, a filter screen, an activated carbon adsorption plate, a desulfurization and denitrification device, a condensing device and a mounting device, the desulfurization and denitrification device is mounted in the middle of the inner bottom end of the box body, the first treatment box communicates with the desulfurization and denitrification device through a first gas guide pipe, and the condensing device is mounted on the right side of the inner bottom end of the box body; and the desulfurization and denitrification device is communicated with the condensing device.

Description

Technical Field

[0001] The utility model relates to the technical field of production of alumina ceramic products, in particular to a gas processing device for preparing alumina ceramic products by low-temperature sintering. Background Art

[0002] Alumina ceramics are a type of ceramic material with aluminum oxide (Al2O3) as the main component. They are used in thick film integrated circuits. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance. Low-temperature sintering technology is an important research field in the preparation of alumina ceramic products. It aims to save energy, reduce costs, reduce environmental pollution, and broaden the application range of alumina ceramics by lowering the sintering temperature.

[0003] Flue gas is produced during the low-temperature sintering process to prepare alumina ceramic products. However, existing flue gas treatment devices simply filter the dust in the flue gas, and the treatment effect is poor, resulting in volatile organic compounds, water vapor, sulfur oxides and nitrogen oxides in the flue gas still polluting the atmospheric environment. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a gas treatment device for preparing alumina ceramic products by low-temperature sintering, which can not only filter the dust in the flue gas, but also treat the volatile organic matter, water vapor, sulfur oxides and nitrogen oxides in the flue gas, thereby improving the treatment effect of the flue gas and avoiding the flue gas from polluting the environment.

[0005] The utility model discloses a gas treatment device for preparing alumina ceramic products by low-temperature sintering, comprising a box body, an air inlet pipe, a box door, a first handle, a first treatment box, a filter, an activated carbon adsorption plate, a desulfurization and denitrification device, a condensation device and a mounting device, wherein the first treatment box is mounted on the left side of the bottom end of the box body, the filter and the activated carbon adsorption plate are respectively mounted inside the first treatment box through the mounting device, the output end of the air inlet pipe passes through the left end of the box body and is connected with the left end of the first treatment box, an opening is arranged at the front end of the box body, the box door is rotatably mounted at the box opening, the first handle is mounted at the front end of the box door, the desulfurization and denitrification device is mounted in the middle of the bottom end of the box body, the first treatment box is connected with the desulfurization and denitrification device through the first air guide pipe, the condensation device is mounted on the right side of the bottom end of the box body, and the desulfurization and denitrification device is connected with the condensation device.

[0006] Preferably, the desulfurization and denitrification device includes a second treatment box, a liquid guide pipe, a first control valve, a material box, a second control valve and a metering device. The second treatment box is installed in the middle of the lower end of the box body, the first treatment box is connected to the second treatment box through the first air guide pipe, the material box is installed at the top of the box body, and a liquid inlet pipe is provided on the lower side of the front end of the first control valve. The second control valve is installed on the liquid inlet pipe, the input end of the liquid guide pipe is connected to the bottom end of the material box, and the output end of the liquid guide pipe passes through the top of the box body and is connected to the top of the second treatment box. The first control valve is installed on the liquid guide pipe, the metering device is installed at the top of the box body, the metering device is cooperatively connected to the material box, and the second treatment box is connected to the condensing device.

[0007] Preferably, the condensing device includes an air pump, a third treatment box, two groups of condensing tubes, an exhaust pipe, a circulation device and a water receiving device. The air pump is installed at the right end of the second treatment box, the air pump input end is connected to the upper side of the right end of the second treatment box, the air pump output end is connected to the lower side of the left end of the third treatment box, the third treatment box is installed on the right side of the bottom end of the box body, the two groups of condensing tubes are installed on the front and rear sides of the third treatment box, the exhaust pipe input end passes through the right side of the top end of the box body and is connected to the top of the third treatment box, the circulation device is installed at the rear end of the third treatment box, the circulation device is connected to the left and right ends of the two groups of condensing tubes, and the water receiving device is installed at the bottom end of the third treatment box.

[0008] Preferably, the quantitative device comprises two groups of fixed rods, two groups of screw rods, a transmission box, a motor, a rotating shaft, a first bevel gear, a second bevel gear, two groups of third bevel gears, two groups of fourth bevel gears, a push rod and a piston plate, the two groups of fixed rods are symmetrically mounted on the middle part of the top end of the box body, the tops of the two groups of fixed rods are provided with threaded grooves, the two groups of screw rods are respectively threadedly connected with the two groups of fixed rod thread grooves, the tops of the two groups of screw rods are rotatably connected with the bottom ends of the transmission box, the tops of the two groups of screw rods are located inside the transmission box, the motor is mounted on the top end of the transmission box, the output end of the motor passes through the top end of the transmission box and is connected with the first bevel gear, the rotating shaft is rotatably mounted inside the transmission box through a support frame, the two groups of third bevel gears are respectively mounted on the left and right ends of the rotating shaft, the second bevel gear is mounted in the middle of the rotating shaft, the second bevel gear is meshed with the first bevel gear, the two groups of fourth bevel gears are respectively mounted on the tops of the two groups of screw rods, the two groups of fourth bevel gears are respectively meshed with the two groups of third bevel gears, the push rod is mounted in the middle of the bottom end of the transmission box, the piston plate is mounted on the bottom end of the push rod, and the piston plate is sealed and slidably connected with the inside of the material box.

[0009] Preferably, the circulation device includes two groups of three-way pipes, a liquid pump and a refrigerator. The two groups of three-way pipes are respectively installed at the left and right ends of the third processing box, and the two groups of three-way pipes are respectively connected to the left and right ends of the two groups of condensing tubes. The liquid pump and the refrigerator are both installed at the rear end of the third processing box. The left three-way pipe is connected to the input end of the liquid pump, the output end of the liquid pump is connected to the input end of the refrigerator, and the output end of the refrigerator is connected to the right three-way pipe.

[0010] Preferably, the mounting device comprises a mounting plate, two groups of first fixing seats, two groups of plug rods, two groups of springs, four groups of second fixing seats, two groups of handles and a second handle, the top of the first processing box is connected to be provided with a mounting opening, the mounting plate is located at the mounting opening of the first processing box, the filter screen and the activated carbon adsorption plate are both installed at the bottom of the mounting plate, the two groups of first fixing seats are staggeredly installed on the left and right sides of the top of the mounting plate, the four groups of second fixing seats are staggeredly installed on the left and right sides of the top of the first processing box, the two groups of first fixing seats and the four groups of second fixing seats are connected to be provided with sliding holes, the two groups of plug rods are respectively slidably connected with the first fixing seat on the left side and the two groups of second fixing seats on the left side and the first fixing seat on the right side and the two groups of second fixing seats on the right side, the two groups of springs are respectively sleeved on the two groups of plug rods, one end of the two groups of springs are connected to the two groups of plug rods, and the other end of the two groups of springs are connected to the inner ends of the two groups of second fixing seats on the inner side, the two groups of handles are respectively installed on the outside of the top ends of the two groups of plug rods, and the second handle is installed on the top of the mounting plate.

[0011] Preferably, the water receiving device includes a water guide plate, two sets of T-shaped guide rails, two sets of T-shaped slide plates and a collecting box. The water guide plate is obliquely installed at the lower left end and the lower rear end of the third treatment box. A water outlet is provided on the right side of the bottom end of the third treatment box. The two sets of T-shaped guide rails are respectively installed at the bottom end of the third treatment box, on the left and right sides of the water outlet. The two sets of T-shaped slide plates are respectively slidably connected to the two sets of T-shaped guide rails. The two sets of T-shaped slide plates are respectively installed on the left and right sides of the top of the collecting box. The collecting box is located below the water outlet of the third treatment box, and a handle groove is provided at the front end of the collecting box.

[0012] Preferably, the second control valve and the first control valve are both configured as one-way valves.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the flue gas is introduced into the first treatment box through the air intake pipe, the filter screen in the first treatment box filters the dust in the flue gas, and the activated carbon adsorption plate adsorbs the volatile organic compounds in the flue gas. Then the flue gas is introduced into the desulfurization and denitrification device through the first air duct for treatment, and then the treated gas is introduced into the condensation device for condensation and discharge. By setting up this equipment, not only the dust in the flue gas can be filtered, but also the volatile organic compounds, water vapor, sulfur oxides and nitrogen oxides in the flue gas can be treated, thereby improving the treatment effect of the flue gas and avoiding the flue gas from polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 yes Figure 1 A schematic diagram of the cross-sectional structure of;

[0016] Figure 3 yes Figure 2 A schematic diagram of a top-view cross-sectional structure;

[0017] Figure 4 yes Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0018] Figure 5 yes Figure 3 A schematic diagram of the enlarged structure of B;

[0019] Markings in the attached figure: 1, box body; 2, air inlet pipe; 3, box door; 4, first handle; 5, first treatment box; 6, filter screen; 7, activated carbon adsorption plate; 8, second treatment box; 9, liquid guide pipe; 10, first control valve; 11, material box; 12, liquid inlet pipe; 13, second control valve; 14, air pump; 15, third treatment box; 16, condenser; 17, exhaust pipe; 18, fixing rod; 19, screw; 20, transmission box; 21, motor ; 22. Rotating shaft; 23. First bevel gear; 24. Second bevel gear; 25. Third bevel gear; 26. Fourth bevel gear; 27. Push rod; 28. Three-way pipe; 29. ​​Liquid pump; 30. Refrigerator; 31. Mounting plate; 32. First fixed seat; 33. Insert rod; 34. Spring; 35. Second fixed seat; 36. Handle; 37. Second handle; 38. Water guide plate; 39. T-type guide rail; 40. T-type slide plate; 41. Collection box. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] like Figures 1 to 5 As shown, a gas treatment device for preparing alumina ceramic products by low-temperature sintering of the utility model comprises a box body 1, an air inlet pipe 2, a box door 3, a first handle 4, a first treatment box 5, a filter screen 6, an activated carbon adsorption plate 7, a desulfurization and denitration device, a condensation device and an installation device, the first treatment box 5 is installed on the left side of the bottom end of the box body 1, the filter screen 6 and the activated carbon adsorption plate 7 are respectively installed inside the first treatment box 5 through the installation device, the output end of the air inlet pipe 2 passes through the left end of the box body 1 and is connected with the left end of the first treatment box 5, the front end of the box body 1 is connected and provided with an opening, the box door 3 is rotatably installed at the opening of the box body 1, the first handle 4 is installed at the front end of the box door 3, the desulfurization and denitration device is installed in the middle of the bottom end of the box body 1, the first treatment box 5 is connected with the desulfurization and denitration device through the first air guide pipe, the condensation device is installed on the right side of the bottom end of the box body 1, and the desulfurization and denitration device is connected with the condensation device;

[0022] The flue gas is introduced into the first treatment box 5 through the air intake pipe 2, the filter screen 6 in the first treatment box 5 filters the dust in the flue gas, and the activated carbon adsorption plate 7 adsorbs the volatile organic compounds in the flue gas. Then the flue gas is introduced into the desulfurization and denitrification device through the first air duct for treatment, and then the treated gas is introduced into the condensation device for condensation and discharge. By setting up this equipment, not only the dust in the flue gas can be filtered, but also the volatile organic compounds, water vapor, sulfur oxides and nitrogen oxides in the flue gas can be treated, thereby improving the treatment effect of the flue gas and avoiding the flue gas from polluting the environment.

[0023] As a preferred embodiment of the above, the desulfurization and denitrification device includes a second treatment box 8, a liquid guide pipe 9, a first control valve 10, a material box 11, a second control valve 13 and a quantitative device. The second treatment box 8 is installed in the middle of the bottom end of the box body 1, the first treatment box 5 is connected to the second treatment box 8 through the first air guide pipe, the material box 11 is installed at the top of the box body 1, the lower side of the front end of the first control valve 10 is connected to the liquid inlet pipe 12, the second control valve 13 is installed on the liquid inlet pipe 12, the input end of the liquid guide pipe 9 is connected to the bottom end of the material box 11, the output end of the liquid guide pipe 9 passes through the top of the box body 1 and is connected to the top of the second treatment box 8, the first control valve 10 is installed on the liquid guide pipe 9, the quantitative device is installed at the top of the box body 1, the quantitative device is connected to the material box 11, and the second treatment box 8 is connected to the condensing device;

[0024] By setting up a second processing box 8, a liquid guide pipe 9, a first control valve 10, a material box 11, a liquid inlet pipe 12, a second control valve 13 and a quantitative device, the alkali solution is introduced into the interior of the material box 11 through the quantitative device, and then the alkali solution is quantitatively introduced into the interior of the second processing box 8 through the quantitative device, and then the flue gas after filtration and adsorption is introduced into the alkali solution inside the second processing box 8 through the first air guide pipe, and the alkali solution processes the sulfur oxides and nitrogen oxides in the flue gas, and then the flue gas is introduced into the condensing device to desulfurize and denitrify the flue gas.

[0025] As a preferred embodiment of the above embodiment, the condensing device includes an air pump 14, a third processing box 15, two groups of condensing pipes 16, an exhaust pipe 17, a circulation device and a water receiving device. The air pump 14 is installed at the right end of the second processing box 8, the input end of the air pump 14 is connected to the upper side of the right end of the second processing box 8, and the output end of the air pump 14 is connected to the lower side of the left end of the third processing box 15. The third processing box 15 is installed on the right side of the bottom end of the box body 1, and the two groups of condensing pipes 16 are installed on the front and rear sides of the third processing box 15. The input end of the exhaust pipe 17 passes through the right side of the top of the box body 1 and is connected to the top of the third processing box 15. The circulation device is installed at the rear end of the third processing box 15, the circulation device is connected to the left and right ends of the two groups of condensing pipes 16, and the water receiving device is installed at the bottom of the third processing box 15;

[0026] By arranging an air pump 14, a third treatment box 15, a condenser 16, an exhaust pipe 17, a circulation device and a water receiving device, by turning on the air pump 14, the gas after desulfurization and denitrification is introduced into the third treatment box 15 through the air pump 14, and the two groups of condensers 16 condense the moisture in the gas and introduce the condensed water droplets into the water receiving device, and the condensed gas is discharged through the exhaust pipe 17, thereby condensing and removing the moisture in the gas.

[0027] As a preferred embodiment of the above, the quantitative device includes two groups of fixed rods 18, two groups of screws 19, a transmission box 20, a motor 21, a rotating shaft 22, a first bevel gear 23, a second bevel gear 24, two groups of third bevel gears 25, two groups of fourth bevel gears 26, a push rod 27 and a piston plate. The two groups of fixed rods 18 are symmetrically installed in the middle of the top of the box body 1, and the tops of the two groups of fixed rods 18 are provided with thread grooves. The two groups of screws 19 are respectively threadedly connected with the thread grooves of the two groups of fixed rods 18. The tops of the two groups of screws 19 are rotatably connected with the bottom of the transmission box 20. The tops of the two groups of screws 19 are located inside the transmission box 20, and the motor 21 is installed on the top of the transmission box 20. The output end of the motor 21 passes through the top of the transmission box 20 and is connected to the first bevel gear 23. The rotating shaft 22 is rotatably installed in the transmission box 20 through a support frame. Two groups of third bevel gears 25 are respectively installed at the left and right ends of the rotating shaft 22. The second bevel gear 24 is installed in the middle of the rotating shaft 22. The second bevel gear 24 is meshed with the first bevel gear 23. Two groups of fourth bevel gears 26 are respectively installed at the top of the two groups of screws 19. The two groups of fourth bevel gears 26 are respectively meshed with the two groups of third bevel gears 25. The push rod 27 is installed in the middle of the bottom end of the transmission box 20. The piston plate is installed at the bottom end of the push rod 27. The piston plate is sealed and slidably connected with the inside of the material box 11.

[0028] By setting a fixed rod 18, a screw rod 19, a transmission box 20, a motor 21, a rotating shaft 22, a first bevel gear 23, a second bevel gear 24, a third bevel gear 25, a fourth bevel gear 26, a push rod 27 and a piston plate, by turning on the motor 21, the motor 21 drives the first bevel gear 23 to mesh with the second bevel gear 24, the second bevel gear 24 drives the two sets of third bevel gears 25 to rotate through the rotating shaft 22, the two sets of third bevel gears 25 are meshed with the two sets of fourth bevel gears 26, and the two sets of fourth bevel gears 26 drive the two sets of screws 21 to mesh with the second bevel gear 24. The rod 19 rotates, and the two sets of screws 19 are threadedly connected with the two sets of fixed rods 18. The two sets of screws 19 drive the transmission box 20 to move upward as a whole. The transmission box 20 drives the piston plate to move upward in the material box 11 through the push rod 27, and the alkali solution is introduced into the material box 11 through the liquid inlet pipe 12. Then, the motor 21 is turned on in reverse, and the motor 21 drives the piston plate to move downward in the material box 11, so that the alkali solution is quantitatively introduced into the second processing box 8 through the liquid guide tube 9, thereby playing the role of quantitatively introducing the alkali solution into the second processing box 8.

[0029] As a preferred embodiment of the above, the circulation device includes two groups of three-way pipes 28, a liquid pump 29 and a refrigerator 30. The two groups of three-way pipes 28 are respectively installed at the left and right ends of the third processing box 15. The two groups of three-way pipes 28 are respectively connected to the left and right ends of the two groups of condensing pipes 16. The liquid pump 29 and the refrigerator 30 are both installed at the rear end of the third processing box 15. The left three-way pipe 28 is connected to the input end of the liquid pump 29, the output end of the liquid pump 29 is connected to the input end of the refrigerator 30, and the output end of the refrigerator 30 is connected to the right three-way pipe 28;

[0030] By setting up a three-way pipe 28, a liquid extraction pump 29 and a refrigerator 30, by turning on the liquid extraction pump 29, the refrigerant in the two groups of condensers 16 is introduced into the refrigerator 30 through the left three-way pipe 28 and the liquid extraction pump 29 for re-cooling, and then the refrigerant is guided back to the two groups of condensers 16 through the right three-way pipe 28. The refrigerant in the two groups of condensers 16 can be circulated and cooled, thereby improving its condensation effect on the gas.

[0031] As a preferred embodiment of the above embodiment, the mounting device includes a mounting plate 31, two groups of first fixing seats 32, two groups of plug rods 33, two groups of springs 34, four groups of second fixing seats 35, two groups of handles 36 and a second handle 37. The top of the first processing box 5 is connected to a mounting port, the mounting plate 31 is located at the mounting port of the first processing box 5, the filter screen 6 and the activated carbon adsorption plate 7 are both installed at the bottom of the mounting plate 31, the two groups of first fixing seats 32 are staggeredly installed on the left and right sides of the top of the mounting plate 31, and the four groups of second fixing seats 35 are staggeredly installed on the left and right sides of the top of the first processing box 5. The two groups of first fixing seats 32 and the four groups of second fixing seats 35 are all connected with sliding holes, and the two groups of plug rods 33 are slidably connected with the left first fixing seat 32 and the two groups of second fixing seats 35 on the left, and the right first fixing seat 32 and the two groups of second fixing seats 35 on the right, respectively. The two groups of springs 34 are respectively sleeved on the two groups of plug rods 33, one end of the two groups of springs 34 is connected to the two groups of plug rods 33, and the other end of the two groups of springs 34 is connected to the inner ends of the two groups of second fixing seats 35 on the inner side, and the two groups of handles 36 are respectively installed on the outer sides of the top ends of the two groups of plug rods 33, and the second handle 37 is installed on the top end of the mounting plate 31;

[0032] By setting the mounting plate 31, the first fixed seat 32, the insertion rod 33, the spring 34, the second fixed seat 35, the handle 36 and the second handle 37, when the filter 6 and the activated carbon adsorption plate 7 need to be cleaned and replaced, the two groups of handles 36 are used to pull the two groups of insertion rods 33 to move outward, and the two groups of insertion rods 33 are separated from the two groups of first fixed seats 32, and the two groups of springs 34 are in a stretched state. The mounting plate 31 is removed from the first processing box 5 through the second handle 37, so that the filter 6 and the activated carbon adsorption plate 7 are taken out of the first processing box 5, which is convenient for cleaning and replacing the filter 6 and the activated carbon adsorption plate 7.

[0033] As a preferred embodiment of the above embodiment, the water receiving device includes a water guide plate 38, two groups of T-shaped guide rails 39, two groups of T-shaped slide plates 40 and a collection box 41. The water guide plate 38 is obliquely installed at the lower left end and the lower rear end of the third treatment box 15. The third treatment box 15 is connected to the right side of the bottom end with a water guide port. The two groups of T-shaped guide rails 39 are respectively installed at the bottom end of the third treatment box 15 on the left and right sides of the water guide port. The two groups of T-shaped slide plates 40 are respectively slidably connected to the two groups of T-shaped guide rails 39. The two groups of T-shaped slide plates 40 are respectively installed on the left and right sides of the top of the collection box 41. The collection box 41 is located below the water guide port of the third treatment box 15. A handle groove is provided at the front end of the collection box 41.

[0034] By setting the water guide plate 38, T-shaped guide rail 39, T-shaped slide plate 40 and collection box 41, the condensed water droplets fall onto the water guide plate 38, and then the water droplets are introduced into the collection box 41 along the water guide plate 38 through the water guide port of the third processing box 15, thereby collecting the water droplets.

[0035] As a preferred embodiment of the above, the second control valve 13 and the first control valve 10 are both configured as one-way valves;

[0036] The utility model discloses a gas treatment device for preparing alumina ceramic products by low-temperature sintering. When working, the flue gas is first introduced into the first treatment box 5 through the air inlet pipe 2, the filter screen 6 in the first treatment box 5 filters the dust in the flue gas, and the activated carbon adsorption plate 7 adsorbs the volatile organic compounds in the flue gas. Then the flue gas is introduced into the alkaline solution in the second treatment box 8 through the first air guide pipe, and the alkaline solution treats the sulfur oxides and nitrogen oxides in the flue gas. Then the air pump 14 is turned on, and the treated gas in the second treatment box 8 is introduced into the third treatment box 15 through the air pump 14. Two groups of condensing pipes 16 condense the gas, and then the gas is discharged through the exhaust pipe 17. The condensed water droplets fall onto the water guide plate 38, and then the water droplets are introduced into the collection box 41 through the water guide port of the third treatment box 15 along the water guide plate 38 for collection.

[0037] The utility model is a gas processing device for preparing alumina ceramic products by low-temperature sintering. Its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; the gas pump 14, motor 21, liquid pump 29 and refrigerator 30 of the gas processing device for preparing alumina ceramic products by low-temperature sintering of the utility model are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A gas treatment device for preparing alumina ceramic products by low temperature sintering, characterized in that: The invention comprises a box body (1), an air intake pipe (2), a box door (3), a first handle (4), a first treatment box (5), a filter screen (6), an activated carbon adsorption plate (7), a desulfurization and denitration device, a condensation device and a mounting device. The first treatment box (5) is mounted on the left side of the bottom end of the box body (1). The filter screen (6) and the activated carbon adsorption plate (7) are respectively mounted inside the first treatment box (5) through the mounting device. The output end of the air intake pipe (2) passes through the left end of the box body (1) and is connected to the left end of the first treatment box (5). An opening is provided at the front end of the box body (1). The box door (3) is rotatably mounted at the opening of the box body (1). The first handle (4) is mounted at the front end of the box door (3). The desulfurization and denitration device is mounted at the middle of the bottom end of the box body (1). The first treatment box (5) is connected to the desulfurization and denitration device through the first air guide pipe. The condensation device is mounted on the right side of the bottom end of the box body (1). The desulfurization and denitration device is connected to the condensation device.

2. A gas treatment device for preparing alumina ceramic products by low temperature sintering as claimed in claim 1, characterized in that: The desulfurization and denitration device comprises a second treatment box (8), a liquid guide pipe (9), a first control valve (10), a material box (11), a second control valve (13) and a quantitative device. The second treatment box (8) is installed at the middle of the bottom end of the box body (1). The first treatment box (5) is connected to the second treatment box (8) through the first air guide pipe. The material box (11) is installed at the top of the box body (1). A liquid inlet pipe (12) is provided at the lower side of the front end of the first control valve (10). The second control valve (13) is installed on the liquid inlet pipe (12). The input end of the liquid guide pipe (9) is connected to the bottom end of the material box (11). The output end of the liquid guide pipe (9) passes through the top end of the box body (1) and is connected to the top end of the second treatment box (8). The first control valve (10) is installed on the liquid guide pipe (9). The quantitative device is installed at the top end of the box body (1). The quantitative device is connected to the material box (11) in a coordinated manner. The second treatment box (8) is connected to the condensing device.

3. A gas treatment device for preparing alumina ceramic products by low temperature sintering as claimed in claim 2, characterized in that: The condensing device comprises an air pump (14), a third treatment box (15), two groups of condensing pipes (16), an exhaust pipe (17), a circulation device and a water receiving device. The air pump (14) is installed at the right end of the second treatment box (8). The input end of the air pump (14) is connected to the upper side of the right end of the second treatment box (8). The output end of the air pump (14) is connected to the lower side of the left end of the third treatment box (15). The third treatment box (15) is installed at the right side of the bottom end inside the box body (1). The two groups of condensing pipes (16) are installed at the front and rear sides inside the third treatment box (15). The input end of the exhaust pipe (17) passes through the right side of the top end of the box body (1) and is connected to the top end of the third treatment box (15). The circulation device is installed at the rear end of the third treatment box (15). The circulation device is connected to the left and right ends of the two groups of condensing pipes (16). The water receiving device is installed at the bottom end of the third treatment box (15).

4. A gas treatment device for preparing alumina ceramic products by low temperature sintering as claimed in claim 3, characterized in that: The quantitative device comprises two groups of fixed rods (18), two groups of screw rods (19), a transmission box (20), a motor (21), a rotating shaft (22), a first bevel gear (23), a second bevel gear (24), two groups of third bevel gears (25), two groups of fourth bevel gears (26), a push rod (27) and a piston plate. The two groups of fixed rods (18) are symmetrically mounted at the middle of the top end of the box body (1). The top ends of the two groups of fixed rods (18) are both provided with thread grooves. The two groups of screw rods (19) are respectively threadedly connected with the thread grooves of the two groups of fixed rods (18). The top ends of the two groups of screw rods (19) are rotatably connected with the bottom end of the transmission box (20). The top ends of the two groups of screw rods (19) are located inside the transmission box (20). The motor (21) is mounted at the top end of the transmission box (20). The output end of the machine (21) passes through the top of the transmission box (20) and is connected to the first bevel gear (23). The rotating shaft (22) is rotatably mounted inside the transmission box (20) through a support frame. Two groups of third bevel gears (25) are respectively mounted on the left and right ends of the rotating shaft (22). The second bevel gear (24) is mounted in the middle of the rotating shaft (22). The second bevel gear (24) is meshed with the first bevel gear (23). Two groups of fourth bevel gears (26) are respectively mounted on the tops of the two groups of screw rods (19). The two groups of fourth bevel gears (26) are respectively meshed with the two groups of third bevel gears (25). The push rod (27) is mounted in the middle of the bottom end of the transmission box (20). The piston plate is mounted at the bottom end of the push rod (27). The piston plate is sealed and slidably connected to the inside of the material box (11).

5. A gas treatment device for preparing alumina ceramic products by low temperature sintering as claimed in claim 4, characterized in that: The circulation device comprises two groups of three-way pipes (28), a liquid extraction pump (29) and a refrigerator (30). The two groups of three-way pipes (28) are respectively installed at the left end and the right end of the third processing box (15). The two groups of three-way pipes (28) are respectively connected to the left end and the right end of the two groups of condensing pipes (16). The liquid extraction pump (29) and the refrigerator (30) are both installed at the rear end of the third processing box (15). The left three-way pipe (28) is connected to the input end of the liquid extraction pump (29), the output end of the liquid extraction pump (29) is connected to the input end of the refrigerator (30), and the output end of the refrigerator (30) is connected to the right three-way pipe (28).

6. A gas treatment device for preparing alumina ceramic products by low temperature sintering as claimed in claim 5, characterized in that: The mounting device comprises a mounting plate (31), two groups of first fixing seats (32), two groups of insert rods (33), two groups of springs (34), four groups of second fixing seats (35), two groups of handles (36) and a second handle (37); the top of the first processing box (5) is connected to a mounting opening, the mounting plate (31) is located at the mounting opening of the first processing box (5), the filter screen (6) and the activated carbon adsorption plate (7) are both mounted at the bottom of the mounting plate (31), the two groups of first fixing seats (32) are staggeredly mounted on the left and right sides of the top of the mounting plate (31), the four groups of second fixing seats (35) are staggeredly mounted on the left and right sides of the top of the first processing box (5), and the two groups of first fixing seats (32) are staggeredly mounted on the left and right sides of the top of the first processing box (5). The seat (32) and the four groups of second fixed seats (35) are all connected and provided with sliding holes. The two groups of plug rods (33) are respectively slidably connected with the left first fixed seat (32) and the two groups of second fixed seats (35) on the left, and the right first fixed seat (32) and the two groups of second fixed seats (35) on the right. The two groups of springs (34) are respectively sleeved on the two groups of plug rods (33). One end of the two groups of springs (34) is connected to the two groups of plug rods (33), and the other end of the two groups of springs (34) is connected to the inner ends of the two groups of second fixed seats (35) on the inner side. The two groups of handles (36) are respectively installed on the outer sides of the top ends of the two groups of plug rods (33), and the second handle (37) is installed on the top end of the mounting plate (31).

7. A gas treatment device for preparing alumina ceramic products by low temperature sintering as claimed in claim 6, characterized in that: The water receiving device comprises a water guide plate (38), two groups of T-shaped guide rails (39), two groups of T-shaped slide plates (40) and a collection box (41). The water guide plate (38) is obliquely installed at the lower left end and the lower rear end of the third processing box (15). A water guide port is provided on the right side of the bottom end of the third processing box (15). The two groups of T-shaped guide rails (39) are respectively installed at the bottom end of the third processing box (15) and are located on the left and right sides of the water guide port. The two groups of T-shaped slide plates (40) are respectively slidably connected to the two groups of T-shaped guide rails (39). The two groups of T-shaped slide plates (40) are respectively installed at the left and right sides of the top end of the collection box (41). The collection box (41) is located below the water guide port of the third processing box (15). A handle groove is provided at the front end of the collection box (41).

8. A gas treatment device for preparing alumina ceramic products by low temperature sintering as claimed in claim 7, characterized in that: The second control valve (13) and the first control valve (10) are both configured as one-way valves.

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