CN210340536U - Arsenic removal device for gallium arsenide wafer production and processing wastewater - Google Patents
Arsenic removal device for gallium arsenide wafer production and processing wastewater Download PDFInfo
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- CN210340536U CN210340536U CN201920730701.9U CN201920730701U CN210340536U CN 210340536 U CN210340536 U CN 210340536U CN 201920730701 U CN201920730701 U CN 201920730701U CN 210340536 U CN210340536 U CN 210340536U
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Abstract
The utility model discloses a gallium arsenide wafer production and processing waste water's arsenic removal device, including coagulating basin, reaction tank and tank, the reaction tank with the tank branch is listed in the coagulating basin both sides, the reaction tank with the coagulating basin is through supplying liquid subassembly intercommunication, just the inside drainage subassembly that is used for to the interior drainage of tank that is provided with of coagulating basin, the coagulating basin bottom is provided with the waste discharge subassembly. Has the advantages that: the utility model discloses a drinking-water pipe takes the supernatant in with coagulating basin out, and when liquid reduces in the coagulating basin, the cystosepiment followed the liquid level and descends to support the drainage portion and remove downwards, ensure that the drinking-water pipe end of intaking is in liquid level supernatant position all the time, improve the drawback that existing equipment drainage initial stage outlet inhales waste water middle level flocculation, prevent that outlet filtration equipment from blockking, ensure the drain line patency.
Description
Technical Field
The utility model relates to a gallium arsenide waste water treatment field, concretely relates to arsenic removal device of gallium arsenide wafer production and processing waste water.
Background
A large amount of arsenic-containing wastewater is generated in the processes of synthesis, growth, cutting, grinding, polishing, cleaning and the like of gallium arsenide crystals, and at present, the treatment of the wastewater mainly focuses on removing arsenic by a chemical precipitation method. Sodium hypochlorite and chlorine dioxide are added into the wastewater as oxidants to pre-oxidize arsenite radicals in the wastewater, and ferric trichloride and polyaluminium chloride are used as coagulants to convert dissolved arsenic into insoluble arsenic precipitate, so that the arsenic removal effect is achieved.
The applicant finds that at least the following technical problems exist in the prior art: the most metal ion that will hydrolyze through coagulating basin of existing equipment removes arsenic and forms the sediment with the arsenate radical, accomplish back with supernatant and precipitation separation precipitating, thereby detach the arsenic in the waste water, because the drain pipe need discharge the supernatant completely, need set up the outlet in coagulating basin inboard middle part, and the outlet rigidity, lead to drainage initial stage outlet to be in waste water middle level position, can't only extract the supernatant, and the aggregate that does not completely precipitate easily causes the jam to drain outlet department filtration equipment, influence the unobstructed nature of drain line, need frequently clear up, the practicality is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gallium arsenide wafer production and processing waste water's arsenic removal device just for solving above-mentioned problem, the drainage in-process will drain off the mouth of pipe and follow the high lift of surface of water liquid level, ensures that the drainage position is in the supernatant region, prevents that outlet filtration equipment from blockking, improves arsenic-containing waste water and gets rid of the effect, sees the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an arsenic removal device for gallium arsenide wafer production and processing wastewater, which comprises a coagulation tank, a reaction tank and a water storage tank, wherein the reaction tank and the water storage tank are respectively arranged at two sides of the coagulation tank, the reaction tank is communicated with the coagulation tank through a liquid supply component, a drainage component for draining water into the water storage tank is arranged inside the coagulation tank, and a waste discharge component is arranged at the bottom of the coagulation tank;
the drainage assembly comprises a foam plate and a drainage part, the foam plate floats on the water surface in the concrete pool, the drainage part is arranged in the center of the top of the foam plate, four corners of the bottom of the foam plate are provided with supporting rods for supporting the foam plate, and the top of the foam plate is provided with an installation plate;
the drainage part comprises a water suction pump, a water suction pipe and a drainage hose, the water suction pump is fixed in the center of the top of the mounting plate, one end of the water suction pipe is connected with the water inlet end of the water suction pump, the other end of the water suction pipe penetrates through the foam plate and extends into the coagulation tank, one end of the drainage hose is connected with the water outlet end of the water suction pump, and the other end of the drainage hose is placed in the water storage tank;
and one side of the foam board, which is close to the liquid supply assembly, is provided with a groove for wastewater to pass through.
Adopt above-mentioned arsenic removal device of gallium arsenide wafer production and processing waste water, deposit when accomplishing the interior liquid composition of coagulation basin that need discharge, open the suction pump inhales the drainage hose through the upper clear liquid of drinking-water pipe foam board below in with coagulation basin, through the leading-in reservoir of drainage hose with waste water, in the time of the interior liquid reduction of coagulation basin, the liquid level decline is followed to the foam board to support the water drainage portion and move down, thereby ensure that the drinking-water pipe is intake the end and is in liquid level upper clear liquid position all the time, with the discharge process of accomplishing the interior sediment top waste water liquid of coagulation basin.
Preferably, the waste discharge assembly comprises a waste discharge hopper and a waste discharge pipe arranged at the bottom of the waste discharge hopper, the waste discharge hopper is fixed below the coagulation tank and communicated with the bottom of the coagulation tank, and a gate valve for controlling the waste discharge pipe to open and close is arranged on the waste discharge pipe.
Preferably, the reaction tank is far away from one side of the coagulation tank is provided with a liquid inlet pipe, the top of the reaction tank is sealed through a cover plate, a stirrer is arranged on the cover plate and comprises a motor and a stirring shaft, the motor is arranged above the cover plate, the stirring shaft is fixed on an output shaft of the motor through a coupler, the stirring shaft penetrates through the cover plate, and the bottom end of the stirring shaft is provided with a stirring blade.
Preferably, the liquid supply assembly comprises a liquid supply water pump, a first guide pipe and a second guide pipe, the liquid supply water pump is arranged between the reaction tank and the coagulation tank through a water pump base, one end of the first guide pipe is connected with the water inlet end of the liquid supply water pump, the other end of the first guide pipe extends to the bottom of the inner side of the reaction tank, one end of the second guide pipe is connected with the water outlet end of the liquid supply water pump, and the other end of the second guide pipe extends to the upper part of the.
Preferably, the height of the bottom end of the water pumping pipe is lower than that of the bottom end of the floating block.
Preferably, the mounting panel is pressfitting plank material, and this mounting panel and cystosepiment are fixed through bonding, and the suction pump passes through the bolt fastening at the mounting panel top.
Has the advantages that: the utility model discloses a drinking-water pipe takes the supernatant in with coagulating basin out, when liquid reduces in the coagulating basin, the liquid level decline is followed to the cystosepiment to support the drainage portion and remove downwards, ensure that the drinking-water pipe end of intaking is in liquid level supernatant position all the time, improve the drawback that current equipment drainage initial stage outlet inhales waste water middle level flocculation, prevent that outlet filtration equipment from blockking, ensure the drain line patency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is an internal structural view of the present invention;
fig. 3 is a top view of the foam board of the present invention.
The reference numerals are explained below:
1. a waste discharge assembly; 101. a waste discharge hopper; 102. a waste discharge pipe; 2. a coagulation tank; 3. a reaction tank; 301. a liquid inlet pipe; 302. a stirrer; 4. a liquid supply assembly; 401. a liquid supply water pump; 402. a first conduit; 403. a second conduit; 5. a drainage assembly; 501. a foam board; 501a, a groove; 502. a water discharge section; 502a, a water pump; 502b, a water pumping pipe; 502c, a drain hose; 503. a floating block; 504. a support bar; 6. a water storage tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3 shown, the utility model provides a gallium arsenide wafer production and processing waste water's arsenic removal device, including coagulating basin 2, reaction tank 3 and tank 6 divide row are in coagulating basin 2 both sides, reaction tank 3 is used for throwing sodium hypochlorite and chlorine dioxide as the oxidant in to waste water, arsenite radical in to waste water carries out the pre-oxidation, 2 open-tops of coagulating basin are used for turning into insoluble state arsenic through ferric trichloride and polyaluminium chloride and deposits, reaction tank 3 and coagulating basin 2 are through supplying liquid subassembly 4 intercommunication, and 2 inside drainage subassembly 5 that are used for to the interior drainage of tank 6 that are provided with of coagulating basin, 2 bottoms of coagulating basin are provided with waste discharge subassembly 1, will not dissolve state arsenic deposit through waste discharge subassembly 1 and discharge.
Drainage component 5 includes cystosepiment 501 and drainage 502, cystosepiment 501 floats in the inside surface of water of coagulating basin 2, drainage 502 sets up in cystosepiment 501 top center, cystosepiment 501 is used for supporting drainage 502 and is in liquid level height, cystosepiment 501 bottom four corners all is provided with the bracing piece 504 that is used for supporting cystosepiment 501, bracing piece 504 is used for preventing that the surface of water from dropping to the bottom after drainage 502 contacts coagulating basin 2 bottom sediment, and cystosepiment 501 top is provided with the mounting panel, the mounting panel is pressfitting plank material, this mounting panel is fixed through bonding with cystosepiment 501. The water discharge portion 502 includes a water pump 502a, a water suction pipe 502b and a water discharge hose 502c, the water pump 502a is fixed at the center of the top of the mounting plate, one end of the water suction pipe 502b is connected to the water inlet end of the water pump 502a, the other end of the water suction pipe 502b penetrates through the foam board 501 and extends into the coagulation tank 2, one end of the water suction pipe 502b extending into the coagulation tank 2 is provided with a filter screen which is sleeved outside the end portion of the water suction pipe 502b, the filter screen is arranged to prevent the waste water from being slowly precipitated and entering the water suction pipe 502b, one end of the water discharge hose 502c is connected to the water outlet end of the water pump 502a, the other end of the water discharge hose 502c is placed in the water storage tank 6, the upper clear liquid in the coagulation tank 2 is pumped into the water suction pipe 502 b. The foam board 501 is provided with a groove 501a for passing waste water on a side close to the liquid supply unit 4.
As an optional embodiment, the waste discharging assembly 1 comprises a waste discharging hopper 101 and a waste discharging pipe 102 arranged at the bottom of the waste discharging hopper 101, the waste discharging hopper 101 is fixed below the coagulation tank 2 and is communicated with the bottom of the coagulation tank 2, a gate valve for controlling the opening and closing of the waste discharging pipe 102 is arranged on the waste discharging pipe 102, insoluble arsenic precipitates at the bottom of the coagulation tank 2 enter the waste discharging pipe 102 through the waste discharging hopper 101 by opening the gate valve, so as to be discharged out of the coagulation tank 2 through the waste discharging pipe 102, a liquid inlet pipe 301 is arranged at one side of the reaction tank 3 away from the coagulation tank 2, the top of the reaction tank 3 is sealed through a cover plate, a stirrer 302 is arranged on the cover plate, the stirrer 302 comprises a motor and a stirring shaft, the motor is arranged above the cover plate, the stirring shaft is fixed on an output shaft of the motor through a coupler, the stirring shaft penetrates through the cover plate, and, thereby support the stirring leaf rotatory for sodium hypochlorite and chlorine dioxide of throwing in the waste water stir, thereby promote the preoxidation process of arsenic in the waste water, supply liquid subassembly 4 includes supply liquid water pump 401, first pipe 402 and second pipe 403, supply liquid water pump 401 and set up between reaction tank 3 and coagulating basin 2 through the pump seat, first pipe 402 one end is met with supply liquid water pump 401 end of intaking, the other end extends to reaction tank 3 inboard bottom, second pipe 403 one end is met with supply liquid water pump 401 play water end, the other end extends to recess 501a top, lead into coagulating basin 2 with the waste liquid of treating in the reaction tank 3 through supplying liquid subassembly 4, the height of drinking-water pipe 502b bottom is less than the height of floating block 503 bottom, support drinking-water pipe 502b through floating the board and float in coagulating basin 2 liquid level, ensure that the bottom of drinking-water pipe 502b is located upper clear liquid position all the time.
Adopt above-mentioned structure, when the sediment is accomplished and is needed to discharge the interior liquid composition of coagulation basin 2, open suction pump 502a, through drinking-water pipe 502b with the upper clear liquid of 2 interior cystosepiments of coagulation basin 501 below in the drainage hose 502c, through drainage hose 502c with leading-in reservoir 6 of waste water, in the time of the interior liquid reduction of coagulation basin 2, cystosepiments 501 follow the liquid level decline, thereby support water drainage 502 downstream, thereby ensure that the drinking-water pipe 502b is intake the end and is in liquid level supernatant position all the time, in order to accomplish the discharge process of the interior sediment top waste water liquid of coagulation basin 2.
Take out coagulation basin 2 upper clear liquid through drinking-water pipe 502b, when the interior liquid of coagulation basin 2 reduced, cystosepiment 501 followed the liquid level and descends to support drain 502 downstream, ensure that the end of intaking of drinking-water pipe 502b is in liquid level upper clear liquid position all the time, improve the drawback that current equipment drainage initial stage outlet inhales waste water middle level flocculation, prevent that outlet filtration equipment from blockking, ensure the unobstructed nature of drainage pipe.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a device that removes arsenic of gallium arsenide wafer production and processing waste water which characterized in that: the device comprises a coagulation tank (2), a reaction tank (3) and a water storage tank (6), wherein the reaction tank (3) and the water storage tank (6) are respectively arranged on two sides of the coagulation tank (2), the reaction tank (3) is communicated with the coagulation tank (2) through a liquid supply assembly (4), a drainage assembly (5) for draining water into the water storage tank (6) is arranged in the coagulation tank (2), and a waste discharge assembly (1) is arranged at the bottom of the coagulation tank (2);
the drainage assembly (5) comprises a foam plate (501) and a drainage part (502), the foam plate (501) floats on the water surface in the coagulation basin (2), the drainage part (502) is arranged in the center of the top of the foam plate (501), four corners of the bottom of the foam plate (501) are provided with support rods (504) used for supporting the foam plate (501), and the top of the foam plate (501) is provided with a mounting plate;
the drainage part (502) comprises a water suction pump (502a), a water suction pipe (502b) and a drainage hose (502c), the water suction pump (502a) is fixed at the center of the top of the mounting plate, one end of the water suction pipe (502b) is connected with the water inlet end of the water suction pump (502a), the other end of the water suction pipe penetrates through the foam plate (501) and extends into the coagulation tank (2), one end of the drainage hose (502c) is connected with the water outlet end of the water suction pump (502a), and the other end of the drainage hose is placed in the water storage tank (6);
and a groove (501a) for waste water to pass through is formed in one side, close to the liquid supply assembly (4), of the foam plate (501).
2. The apparatus of claim 1, wherein the apparatus comprises: the waste discharge assembly (1) comprises a waste discharge hopper (101) and a waste discharge pipe (102) arranged at the bottom of the waste discharge hopper (101), the waste discharge hopper (101) is fixed below the coagulation tank (2) and communicated with the bottom of the coagulation tank (2), and a gate valve for controlling the opening and closing of the waste discharge pipe (102) is arranged on the waste discharge pipe (102).
3. The apparatus of claim 1, wherein the apparatus comprises: keep away from reaction tank (3) thoughtlessly congeal pond (2) one side and be provided with feed liquor pipe (301), and reaction tank (3) top is sealed through the apron, is provided with agitator (302) on this apron, agitator (302) include motor and (mixing) shaft, the motor sets up in the apron top, and on the (mixing) shaft was fixed in the motor output shaft through the shaft coupling, the (mixing) shaft ran through the apron, and this (mixing) shaft bottom was provided with the stirring leaf.
4. The apparatus of claim 1, wherein the apparatus comprises: the liquid supply assembly (4) comprises a liquid supply water pump (401), a first guide pipe (402) and a second guide pipe (403), the liquid supply water pump (401) is arranged between the reaction tank (3) and the coagulation tank (2) through a water pump base, one end of the first guide pipe (402) is connected with the water inlet end of the liquid supply water pump (401), the other end of the first guide pipe extends to the bottom of the inner side of the reaction tank (3), one end of the second guide pipe (403) is connected with the water outlet end of the liquid supply water pump (401), and the other end of the second guide pipe extends to the position above the groove (501 a).
5. The apparatus of claim 1, wherein the apparatus comprises: the bottom height of the water pumping pipe (502b) is lower than that of the floating block (503).
6. The apparatus of claim 1, wherein the apparatus comprises: the mounting panel is pressfitting plank material, and this mounting panel is fixed through bonding with cystosepiment (501), and suction pump (502a) passes through the bolt fastening in mounting panel top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730701.9U CN210340536U (en) | 2019-05-21 | 2019-05-21 | Arsenic removal device for gallium arsenide wafer production and processing wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730701.9U CN210340536U (en) | 2019-05-21 | 2019-05-21 | Arsenic removal device for gallium arsenide wafer production and processing wastewater |
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| CN210340536U true CN210340536U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920730701.9U Active CN210340536U (en) | 2019-05-21 | 2019-05-21 | Arsenic removal device for gallium arsenide wafer production and processing wastewater |
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| CN (1) | CN210340536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754036A (en) * | 2021-09-13 | 2021-12-07 | 山东尚科环境工程有限公司 | Reclaimed water recycling system for petrochemical wastewater |
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2019
- 2019-05-21 CN CN201920730701.9U patent/CN210340536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754036A (en) * | 2021-09-13 | 2021-12-07 | 山东尚科环境工程有限公司 | Reclaimed water recycling system for petrochemical wastewater |
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