Deodorizing device for semiconductor waste liquid treatment biological filter

Abstract

The utility model discloses a deodorization device for a semiconductor waste liquid treatment biofilter, which comprises a tank body, a discharge pipe is fixedly connected at the bottom of the outer side of the tank body, a bearing seat is fixedly connected at the bottom of the inner side of the tank body, an end cover is fixedly connected at the top of the tank body, and a bearing is fixedly connected at the bottom of the end cover. The top end of the end cover is fixedly connected with a feeding pipe, the top of the end cover is fixedly connected with a motor, one end of an output shaft of the motor is connected with a rotating shaft through a coupler, and one end of the rotating shaft penetrates through the end cover to be connected with a bearing seat. According to the waste gas treatment tank, waste gas can be in full contact with a treatment medium, the retention time of the gas is prolonged, the treatment effect is improved, and the activity of microorganisms can be improved, so that harmful substances in the waste gas are effectively degraded and converted, the waste gas treatment efficiency is improved, corrosion to the interior of the tank body can be reduced, and the durability of the tank body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to deodorization device technical field especially for semiconductor waste liquid treatment biological filter's deodorization device. BACKGROUND

[0002] With the rapid development of electronic manufacturing industry, semiconductor waste liquid produced often contains a variety of toxic and harmful substances, and these waste liquid directly discharged can cause serious threat to the environment and human health. In order to effectively handle and reduce the influence of these waste liquid on the environment, biological filter technology is widely used as an effective method, and the harmful substances in waste liquid are degraded by microorganism in biological filter, but the traditional biological filter often produces and releases foul gas during the treatment process, which not only affects the working environment of workers, but also aggravates the pollution of surrounding environment.

[0003] Most of the deodorization devices use chemical agents or physical adsorption methods to reduce or remove foul gas when deodorizing waste gas, however, the traditional biological filter adopts fixed filler layer, and the multi-layer filter bed is fixed together, so that the waste gas passes through the multi-layer filter bed at one time, and part of the waste gas does not fully contact with the treatment medium when flowing in the treatment equipment, the gas is not uniformly contacted in the equipment, the gas residence time is insufficient, the pollutants are not fully treated, and the effect is reduced, so it is necessary to improve the prior art to solve the above problems. UTILIZY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a kind of deodorization device for semiconductor waste liquid treatment biological filter.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of deodorization device for semiconductor waste liquid treatment biological filter, including tank body, the outer side of the tank body is fixedly connected with discharge pipe at the position of bottom, the inner side of the tank body is fixedly connected with bearing seat at the position of bottom, the top of the tank body is fixedly connected with end cover, the top of end cover is fixedly connected with feed pipe, the top of the end cover is fixedly connected with motor, the one end of motor output shaft is connected with rotating shaft through coupling, and the one end of rotating shaft passes through end cover and is connected with bearing seat, the outer side of rotating shaft is fixedly connected with multiple annulars, the outer side of multiple annulars is fixedly connected with multiple baffles, the inner wall of the tank body is fixedly connected with multiple fixed frames, and fixed frame is located below each annular respectively, multiple fixed frames are respectively provided with first filter bed, second filter bed and third filter bed, and first filter bed, second filter bed and third filter bed are all connected with rotating shaft gap.

[0007] As a further scheme of the utility model, the lower part of the two fixing frames and the end cover is fixedly connected with a disc, the bottom of the plurality of discs is equipped with a plurality of spray heads, and the outer side of the plurality of discs is fixedly connected with a connecting pipe.

[0008] As a further scheme of the utility model, the outer side of the tank body is fixedly connected with a fixed plate, the top of the fixed plate is fixedly connected with a liquid storage tank, and the liquid storage tank is communicated with the connecting pipe, and the top of the liquid storage tank is provided with a feeding pipe.

[0009] As a further scheme of the utility model, the tank body is fixedly connected with a conical funnel, and the bottom end of the conical funnel is threadedly connected with a liquid collecting tank.

[0010] As a further scheme of the utility model, the outer side of the plurality of fixing frames is provided with a placing groove, and the placing groove is fixedly connected with a sealing ring.

[0011] As a further scheme of the utility model, the surface of the plurality of baffle plates is provided with a turbulence hole.

[0012] As a further scheme of the utility model, the outer side of the tank body is fixedly connected with a support frame.

[0013] The utility model has the advantages of:

[0014] 1. The utility model is provided with a baffle plate, a circular ring is arranged on the outer side of the rotating shaft, and the baffle plate is fixed on the outer side of the circular ring through bolts, so that the waste gas and the treatment medium can be fully contacted by the layered arrangement of the filter bed and the cooperation of the baffle plate, the gas residence time is prolonged, and the treatment effect is improved.

[0015] 2. The utility model is provided with a spray head, and the spray head is connected with the liquid storage tank through the connecting pipe, so that the nutrient solution can be sprayed out, the activity of microorganisms is improved, harmful substances in the waste gas can be effectively degraded and converted, and the efficiency of waste gas treatment is improved.

[0016] 3. The utility model is provided with a conical funnel, and the bottom of the tank body is welded with the conical funnel, and the bottom of the funnel is threadedly connected with a liquid collecting tank, so that the waste liquid can enter the liquid collecting tank through the conical funnel, the corrosion of the tank body is reduced, and the durability of the tank body is improved. DRAWINGS

[0017] Figure 1 The utility model provides a kind of three-dimensional structure schematic diagram of deodorization device for semiconductor waste liquid treatment biological filter;

[0018] Figure 2 The utility model provides a kind of partial sectional structure schematic diagram of deodorization device for semiconductor waste liquid treatment biological filter;

[0019] Figure 3 A part enlarged structural schematic view of the deodorization device for the semiconductor waste liquid treatment biological filter pool is provided in the utility model.

[0020] Figure 4 A part enlarged structural schematic view of the deodorization device for the semiconductor waste liquid treatment biological filter pool is provided in the utility model.

[0021] In the drawing: 1, tank body; 2, feed pipe; 3, end cover; 4, connecting pipe; 5, feeding pipe; 6, liquid storage tank; 7, fixed plate; 8, support frame; 9, liquid collecting tank; 10, discharge pipe; 11, sealing ring; 12, second filter bed; 13, fixed frame; 14, first filter bed; 15, third filter bed; 16, bearing seat; 17, rotating shaft; 19, conical hopper; 20, turbulence hole; 21, baffle plate; 22, disc; 23, spray head. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Reference Figures 1-4 A kind of deodorization device for semiconductor waste liquid treatment biological filter pool, including tank body 1, the outer side of tank body 1 is welded with discharge pipe 10 at the position of bottom, the inner side of tank body 1 is welded with bearing seat 16 at the position of bottom, the top of tank body 1 is fixed with end cover 3 by bolt, the top of end cover 3 is welded with feed pipe 2, the top of end cover 3 is fixed with motor by bolt, the one end of motor output shaft is connected with rotating shaft 17 by coupling, and the one end of rotating shaft 17 passes through end cover 3 and is connected with bearing seat 16, the outer side of rotating shaft 17 is fixed with multiple annulars by bolt, the outer side of multiple annulars is fixed with multiple baffle plates 21 by bolt, the inner wall of tank body 1 is fixed with multiple fixed frames 13 by bolt, and fixed frame 13 is located below each annular respectively;

[0024] Multiple fixed frames 13 are respectively provided with first filter bed 14, second filter bed 12 and third filter bed 15, and first filter bed 14, second filter bed 12 and third filter bed 15 are all connected with rotating shaft 17 with clearance, first filter bed 14 is volcanic rock activated carbon composite layer, can adsorb hydrogen fluoride, boron hydroxide and other inorganic pollutants in waste gas, then, second filter bed 12 is polyurethane biological membrane carrier layer, can degrade toluene, isopropyl alcohol and other organic waste gas in waste gas, finally, third filter bed 15 is sulfur-oxidizing bacteria modified zeolite packing layer, can convert hydrogen sulfide gas in waste gas into sulfur ion by sulfur-oxidizing bacteria, so as to deodorize waste gas.

[0025] In use, the smelly waste gas is fed into the tank body 1 from the top feed pipe 2 of the end cover 3, the motor is started to drive the rotating shaft 17 to rotate, the circular ring drives the baffle 21 to rotate, and the waste gas is uniformly distributed in the tank body 1, the waste gas does centrifugal motion with the rotating baffle 21, and the waste gas sequentially passes through the first filter bed 14, the second filter bed 12 and the third filter bed 15, so that the waste gas is in full contact with the treatment medium, the gas residence time is prolonged, and the treatment effect is increased.

[0026] In the utility model, the bottom of two fixing frames 13 and end cover 3 are all fixed with disc 22 through bolt, the bottom of multiple disc 22 is equipped with multiple shower nozzles 23, the outside of multiple disc 22 is all welded with connecting pipe 4, when using, through connecting pipe 4 access nutrient solution makes shower nozzle 23 spray nutrient solution, increase the activity of microorganism, thereby effectively degrade and convert harmful substances in waste gas, improve the efficiency of waste gas treatment, the outside of tank body 1 is fixed with fixed plate 7 through bolt, the top of fixed plate 7 is fixed with liquid storage tank 6 through bolt, and liquid storage tank 6 is communicated with connecting pipe 4, the top of liquid storage tank 6 is equipped with charging pipe 5, liquid is added to liquid storage tank 6 through charging pipe 5, and the liquid in liquid storage tank 6 flows to disc 22 through connecting pipe 4 and is connected with shower nozzle 23, thereby realizing the storage and transmission of liquid.

[0027] Especially, the tank body 1 is welded with a conical hopper 19, and the bottom end of the conical hopper 19 is threadedly connected with a liquid collecting tank 9, so that waste liquid can enter the liquid collecting tank 9 through the conical hopper 19, reducing the corrosion of the inside of the tank body 1, thereby increasing the durability of the tank body 1, the outside of the plurality of fixing frames 13 is provided with a placing groove, and the plurality of placing grooves are bonded with sealing rings 11, so that the gap between the fixing frame 13 and the tank body 1 is shielded by the sealing ring 11, thereby preventing waste gas from leaking out of the gap, the surface of the plurality of baffles 21 is provided with turbulence holes 20, which can further destroy the stability of the airflow when the baffle 21 disperses and uniformly distributes the waste gas, so as to make the airflow more dispersed, so that the waste gas has more sufficient contact and reaction time with the treatment medium, and the outside of the tank body 1 is fixed with a support frame 8 through bolts, which supports and fixes the tank body 1, thereby increasing the stability of the device.

[0028] Working principle: when the semiconductor waste liquid needs to be deodorized, the odor-containing waste gas enters the tank body 1 from the top feed pipe 2 of the end cover 3, the motor is started, the rotating shaft 17 is driven to rotate, the circular ring drives the baffle 21 to rotate, the waste gas is uniformly distributed in the tank body 1, the waste gas does centrifugal motion with the rotating baffle 21, and the waste gas passes through the first filter bed 14, the second filter bed 12 and the third filter bed 15 in turn, since the first filter bed 14 is a volcanic rock activated carbon composite layer, it can adsorb hydrogen fluoride, boron hydroxide and other inorganic pollutants in the waste gas, then the second filter bed 12 is a polyurethane biological membrane carrier layer, which can degrade toluene, isopropyl alcohol and other organic waste gas in the waste gas, finally, the third filter bed 15 is a sulfur-oxidizing bacteria modified zeolite packing layer, which can convert hydrogen sulfide gas in the waste gas into sulfur ions through sulfur-oxidizing bacteria, thereby deodorizing the waste gas, so that the waste gas and the treatment medium are fully contacted, the gas residence time is prolonged, and the treatment effect is increased.

[0029] In addition, although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A deodorizing device for a biological filter for treating semiconductor waste liquid, comprising a tank (1), characterized in that, The outer side of the tank body (1) is fixedly connected with a discharge pipe (10) at the bottom, the inner side of the tank body (1) is fixedly connected with a bearing seat (16) at the bottom, the top of the tank body (1) is fixedly connected with an end cover (3), the top end of the end cover (3) is fixedly connected with a feed pipe (2), the top of the end cover (3) is fixedly connected with a motor, one end of the motor output shaft is connected with a rotating shaft (17) through a shaft coupling, and one end of the rotating shaft (17) penetrates through the end cover (3) and is connected with the bearing seat (16), the outer side of the rotating shaft (17) is fixedly connected with a plurality of circular rings, the outer side of the plurality of circular rings is fixedly connected with a plurality of baffle plates (21), the inner wall of the tank body (1) is fixedly connected with a plurality of fixed frames (13), and the fixed frames (13) are located below each circular ring respectively, a first filter bed (14), a second filter bed (12) and a third filter bed (15) are arranged in the plurality of fixed frames (13) respectively, and the first filter bed (14), the second filter bed (12) and the third filter bed (15) are connected with the rotating shaft (17) in gaps.

2. The deodorizing device for a biological filter for treating semiconductor waste liquid according to claim 1, wherein Two of the fixed frames (13) and the end cover (3) are fixedly connected with a disc (22) below, a plurality of the discs (22) are provided with a plurality of nozzles (23) at the bottom, and the outer side of the plurality of discs (22) is fixedly connected with a connecting pipe (4).

3. The deodorizing device for a biological filter for treating semiconductor waste liquid according to claim 1, wherein The outer side of the tank body (1) is fixedly connected with a fixed plate (7), the top of the fixed plate (7) is fixedly connected with a liquid storage tank (6), and the liquid storage tank (6) is in communication with the connecting pipe (4), and the top of the liquid storage tank (6) is provided with a feeding pipe (5).

4. The deodorizing device for a biological filter for treating semiconductor waste liquid according to claim 3, wherein The tank body (1) is fixedly connected with a conical funnel (19), and the bottom end of the conical funnel (19) is threadedly connected with a liquid collecting tank (9).

5. The deodorizing device for a biological filter for treating semiconductor waste liquid according to claim 2, wherein The outer side of the plurality of fixed frames (13) is provided with a placing groove, and the plurality of placing grooves are fixedly connected with a sealing ring (11).

6. The deodorizing device for a biological filter for treating semiconductor waste liquid according to claim 1, wherein The surface of the plurality of baffle plates (21) is provided with a turbulence hole (20).

7. The deodorizing device for a biological filter for treating semiconductor waste liquid according to claim 1, wherein The outer side of the tank body (1) is fixedly connected with a support frame (8).

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