CN118255443A - A long-distance gravity-flow stirring arsenic-containing wastewater treatment device and method - Google Patents
A long-distance gravity-flow stirring arsenic-containing wastewater treatment device and method Download PDFInfo
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- CN118255443A CN118255443A CN202311239100.5A CN202311239100A CN118255443A CN 118255443 A CN118255443 A CN 118255443A CN 202311239100 A CN202311239100 A CN 202311239100A CN 118255443 A CN118255443 A CN 118255443A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/103—Arsenic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
本发明公开了一种长程自流搅拌式含砷废水处理装置及方法，涉及废水处理技术领域，包括储液罐，所述储液罐上端连接有与储液罐内部连通的出液管，所述出液管远离储液罐的一端设有用于向出液管内部投放除砷药剂的投料组件；所述出液管的出口端连接有用于使废水和除砷药剂混合的长程直流搅拌组件，所述长程直流搅拌组件下端安装有支架，所述长程直流搅拌组件的下端口下方设有澄清池；本发明在处理废水过程中，投料组件通过含砷废水流速进行投料，能够将投料的量与含砷废水的量相匹配，使得具备自动调节投放量的功能，避免反应物料的浪费。
The invention discloses a long-range gravity stirring type arsenic-containing wastewater treatment device and method, which relates to the technical field of wastewater treatment, and comprises a liquid storage tank, wherein the upper end of the liquid storage tank is connected with a liquid outlet pipe connected with the inside of the liquid storage tank, and the end of the liquid outlet pipe away from the liquid storage tank is provided with a feeding component for feeding an arsenic removal agent into the inside of the liquid outlet pipe; the outlet end of the liquid outlet pipe is connected with a long-range direct current stirring component for mixing wastewater and the arsenic removal agent, the lower end of the long-range direct current stirring component is installed with a bracket, and a clarification tank is provided below the lower port of the long-range direct current stirring component; in the process of treating wastewater, the feeding component feeds according to the flow rate of the arsenic-containing wastewater, and the amount of the feed can be matched with the amount of the arsenic-containing wastewater, so that the feeding amount has the function of automatically adjusting the feeding amount, thereby avoiding the waste of reaction materials.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a long Cheng Ziliu stirring type arsenic-containing wastewater treatment device and method.
Background
With the development of industries such as metallurgy, chemical industry and the like and lean ores, arsenic is developed along with main elements, and the amount of arsenic entering wastewater is quite large. The existence form of arsenic in the arsenic-containing wastewater is greatly affected by PH, and under neutral conditions, the quantity of soluble arsenic is maximized, and the quantity of dissolved arsenic is reduced along with the rise or the reduction of PH. Arsenic in the solution exists mainly in the form of inorganic arsenic at a PH of 5.0, and arsenic in the solution exists mainly in the form of organic arsenic at a PH of 6.5. However, because the source of the arsenic-containing wastewater is not single, the components of the wastewater are complex and changeable, and the arsenic-containing wastewater can bring harm to human, animals and plants.
The existing arsenic-containing wastewater treatment process flow comprises the following steps: the arsenic-containing wastewater is reserved in an adjusting tank, clear liquid is pumped into a stirring tank by a pump, arsenic medicament is dripped into an upper end pipe of the stirring tank, the mixture is stirred and retained for 20 minutes, and the mixture is pumped into a clarifier for precipitation.
However, in the prior art, long-time stirring is required by means of machinery in the use process, a large amount of energy is required to be consumed in the process, and meanwhile, the conventional treatment equipment cannot automatically adjust the feeding amount of the arsenic removal agent according to the flow of the arsenic-containing wastewater, so that the prior art has a great defect in practical application, and therefore, the long Cheng Ziliu stirring type arsenic-containing wastewater treatment device and method are provided to solve the problems.
Disclosure of Invention
The invention aims to provide a long Cheng Ziliu stirring type arsenic-containing wastewater treatment device and method, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device comprises a liquid storage tank, wherein the upper end of the liquid storage tank is connected with a liquid outlet pipe communicated with the inside of the liquid storage tank, and one end, far away from the liquid storage tank, of the liquid outlet pipe is provided with a feeding component for feeding an arsenic removal agent into the liquid outlet pipe;
The outlet end of the liquid outlet pipe is connected with a long-range direct current stirring assembly for mixing wastewater and arsenic removal medicaments, a support is arranged at the lower end of the long-range direct current stirring assembly, and a clarification tank is arranged below a lower port of the long-range direct current stirring assembly.
As a further scheme of the invention: the feeding assembly comprises a feeding pipe, the feeding pipe is fixedly connected to the upper end of a liquid outlet pipe port, the feeding pipe is communicated with the liquid outlet pipe, the upper end of the inside of the feeding pipe is fixedly connected with an upper positioning plate, the feeding pipe is positioned below the upper positioning plate and fixedly connected with a lower positioning plate, the middle position of the upper positioning plate is slidably connected with an upper guide rod, the lower end of the upper guide rod is fixedly connected with a sealing block, a spring is arranged at the position, between the upper positioning plate and the sealing block, of the upper guide rod, and an intermittent motion assembly for driving the sealing block to intermittently move up and down is arranged at the lower end of the feeding pipe.
As still further aspects of the invention: the upper locating plate is provided with a plurality of through holes, and the lower locating plate is provided with a plurality of blanking holes at the position below the sealing block.
As still further aspects of the invention: intermittent motion subassembly includes the guide box, guide box fixed connection is in the position of throwing material pipe one side, the inside spout of guide box and throw material pipe intercommunication, sealing block lower extreme fixedly connected with and lower locating plate sliding connection's lower guide bar, lower guide bar lower extreme fixedly connected with connecting rod, connecting rod and guide box sliding connection, the one end fixedly connected with bracing piece of lower guide bar is kept away from to the connecting rod, and the roller is installed to the bracing piece lower extreme, still be equipped with the drive assembly who is used for promoting the roller and reciprocates on the drain pipe.
As still further aspects of the invention: the driving assembly comprises a shaft, the shaft is rotationally connected to the middle position of the outlet pipe port, the fan blades are arranged at the position of the shaft positioned in the outlet pipe, and the upper end of the shaft is fixedly connected with a cylindrical cam matched with the roller.
As still further aspects of the invention: the long-range direct current stirring assembly comprises a plurality of open U-shaped pipes and connecting pipes, wherein the open U-shaped pipes are obliquely arranged, the two ends of each connecting pipe are respectively provided with an elbow, the open U-shaped pipes are connected end to end through the connecting pipes and the elbows, and a plurality of baffle plates are arranged inside the open U-shaped pipes.
As still further aspects of the invention: the baffle plates are respectively distributed at the positions of two sides of the open U-shaped pipe, and the baffle plates at the two sides are arranged in a staggered manner.
As still further aspects of the invention: the outer peripheral surface of the spring is hermetically coated with a flexible protective sleeve, one end of the protective sleeve is connected with the upper positioning plate, and the other end of the protective sleeve is connected with the sealing block.
As still further aspects of the invention: the sealing block is made of rubber materials.
Compared with the prior art, the invention has the beneficial effects that:
1. In the wastewater treatment process, the feeding component feeds through the flow velocity of the arsenic-containing wastewater, and the feeding quantity can be matched with the arsenic-containing wastewater, so that the wastewater treatment device has the function of automatically adjusting the feeding quantity, and the waste of reaction materials is avoided.
2. According to the invention, the long Cheng Ziliu stirring assembly is obliquely arranged, the aeration stirring work is realized by flowing the arsenic-containing wastewater in the open U-shaped pipe and blocking by the baffle plate, the stirring work driven by a motor is reduced, and the aeration stirring work is finished by automatically flowing the arsenic-containing wastewater from top to bottom, so that the energy consumption is reduced.
Drawings
Fig.1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of a feeding assembly according to the present invention.
Fig. 3 is a schematic view of the internal structure of the feeding tube in the present invention.
Fig. 4 is a schematic structural diagram of a long-range direct-current stirring assembly in the invention.
Wherein: 1. a liquid storage tank; 2. a liquid outlet pipe; 3. a feeding assembly; 301. a fan blade; 302. a feeding pipe; 303. a guide box; 304. a support rod; 305. a roller; 306. a cylindrical cam; 307. a shaft; 308. an upper guide rod; 309. an upper positioning plate; 310. a spring; 311. a sealing block; 312. a lower positioning plate; 313. a lower guide rod; 314. a connecting rod; 4. a long-range direct current stirring assembly; 401. an open U-shaped tube; 402. a baffle; 403. an elbow; 404. a connecting pipe; 5. a bracket; 6. and (3) a clarifying tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, in an embodiment of the present invention, a long Cheng Ziliu stirring type arsenic-containing wastewater treatment device includes a liquid storage tank 1, wherein the upper end of the liquid storage tank 1 is connected with a liquid outlet pipe 2 communicated with the interior of the liquid storage tank 1, and one end of the liquid outlet pipe 2 away from the liquid storage tank 1 is provided with a feeding component 3 for feeding an arsenic removal agent into the liquid outlet pipe 2; the batch feeding assembly 3 can perform intermittent feeding operation during operation, when feeding, the feeding amount can be correspondingly changed according to the wastewater flow, and when the flow is larger, the feeding amount is larger, otherwise, the feeding amount is smaller, so that the situation of feeding waste can be avoided.
The feeding assembly 3 comprises a feeding pipe 302, the feeding pipe 302 is fixedly connected to the upper end of a port of the liquid outlet pipe 2, the feeding pipe 302 is communicated with the inside of the liquid outlet pipe 2, the upper end of the inside of the feeding pipe 302 is fixedly connected with an upper positioning plate 309, the position of the feeding pipe 302 below the upper positioning plate 309 is fixedly connected with a lower positioning plate 312, the middle position of the upper positioning plate 309 is slidably connected with an upper guide rod 308, the lower end of the upper guide rod 308 is fixedly connected with a sealing block 311, a spring 310 is arranged in a penetrating manner at the position of the upper guide rod 308 between the upper positioning plate 309 and the sealing block 311, and the lower end of the feeding pipe 302 is provided with an intermittent motion assembly for driving the sealing block 311 to intermittently move up and down; the upper positioning plate 309 is provided with a plurality of through holes, and the lower positioning plate 312 is provided with a plurality of blanking holes at a position below the sealing block 311.
When the intermittent motion assembly works, the sealing block 311 is pushed to continuously move up and down, medicines are sent into the liquid outlet pipe 2 in the intermittent up and down motion process of the sealing block 311, when the sealing block 311 is lifted, the medicines are discharged into the liquid outlet pipe 2 through the discharging holes in the lower positioning plate 312, and when the sealing block 311 descends, the discharging holes in the lower positioning plate 312 are closed, discharging is stopped, and then the intermittent discharging function is realized.
A flexible protective sleeve is hermetically coated on the peripheral surface of the spring 310, one end of the protective sleeve is connected with the upper positioning plate 309, and the other end of the protective sleeve is connected with the sealing block 311; the outside cladding of spring 310 has the flexible protective sheath can effectually avoid the corruption of reactant material to spring 310, is favorable to improving spring 310's life.
The sealing block 311 is made of rubber material. The sealing block 311 is made of rubber, so that the sealing block 311 is good in corrosion resistance and tightness, the service life of the sealing block 311 can be prolonged, and meanwhile, leakage of reaction materials when arsenic-containing wastewater is not treated can be avoided, so that waste is caused.
The intermittent motion subassembly includes guide box 303, guide box 303 fixed connection is in the position of throwing material pipe 302 one side, the inside spout of guide box 303 communicates with throwing material pipe 302, sealing block 311 lower extreme fixedly connected with lower locating plate 312 sliding connection's lower guide bar 313, lower guide bar 313 lower extreme fixedly connected with connecting rod 314, connecting rod 314 and guide box 303 sliding connection, the one end fixedly connected with bracing piece 304 of lower guide bar 313 is kept away from to connecting rod 314, and roller 305 is installed to the bracing piece 304 lower extreme, still be equipped with the drive assembly who is used for promoting roller 305 to reciprocate on the drain pipe 2.
When in operation, the driving component can drive the supporting rod 304 to continuously move up and down, the roller 305 can reduce the abrasion of the cylindrical cam 306 during operation, the supporting rod 304 drives the connecting rod 314, and the connecting rod 314 drives the lower guide rod 313 to move up and down, so that the up-and-down intermittent movement of the sealing block 311 is realized.
The driving assembly comprises a shaft 307, the shaft 307 is rotatably connected to the middle position of the port of the liquid outlet pipe 2, the fan blades 301 are arranged at the position of the shaft 307 in the liquid outlet pipe 2, and the upper end of the shaft 307 is fixedly connected with a cylindrical cam 306 matched with the roller 305; when the device works, waste water can push the fan blades 301 to rotate, the fan blades 301 rotate to drive the cylindrical cams 306 to rotate, the cylindrical cams 306 rotate to drive the supporting rods 304 to intermittently move up and down, when the flow rate of the waste water is larger, the fan blades 301 rotate faster, the corresponding rotation speed of the cylindrical cams 306 is increased, and then the reciprocating speed frequency of the sealing blocks 311 is increased, and further the medicine discharging amount can be improved, otherwise, the medicine discharging amount is smaller.
The outlet end of the liquid outlet pipe 2 is connected with a long-range direct current stirring assembly 4 for mixing wastewater and an arsenic removal medicament, a bracket 5 is arranged at the lower end of the long-range direct current stirring assembly 4, and a clarification tank 6 is arranged below the lower port of the long-range direct current stirring assembly 4; the long-range direct current stirring assembly 4 comprises a plurality of open U-shaped pipes 401 and connecting pipes 404 which are obliquely arranged, wherein two ends of each connecting pipe 404 are respectively provided with an elbow 403, each open U-shaped pipe 401 is connected end to end by adopting each connecting pipe 404 and each elbow 403, and a plurality of baffle plates 402 are arranged inside each open U-shaped pipe 401; the baffle plates 402 are respectively distributed at the two sides of the open U-shaped tube 401, and the baffle plates 402 at the two sides are staggered.
During operation, through a plurality of uncovered U type pipes 401 that set up, can increase waste water flow stroke, uncovered U type pipe 401 slope formula is convenient for contain arsenic waste water and realizes flowing certainly in uncovered U type pipe 401, does not need to carry out external power supply and realizes stirring aeration and waste water transfer operation, is favorable to the energy saving. The baffle plate 402 is arranged to fully stir and aerate the arsenic-containing wastewater and the reaction materials.
The working principle of the invention is as follows: the arsenic-containing wastewater is converged into the liquid storage tank 1 for storage, the arsenic-containing wastewater is pumped out of the liquid storage tank 1 through a pump, the arsenic-containing wastewater is fed through a feeding component 3 at the outlet of a liquid outlet pipe 2, the arsenic-containing wastewater drives a fan blade 301 to rotate, meanwhile, a cylindrical cam 306 drives a roller 305 to move up and down to and fro, further, a supporting rod 304 drives a lower guide rod 313 and a sealing block 311 to move up and away from a lower positioning plate 312 through a connecting rod 314, sealing of the sealing block 311 on the lower positioning plate 312 is realized through elastic operation of a spring 310, and feeding operation is realized through sealing and separation of the sealing block 311 on the lower positioning plate 312; stirring and detention, namely stirring and detenting arsenic-containing wastewater in a long-range direct current stirring assembly 4 after being fed by a feeding assembly 3, realizing arsenic-containing wastewater self-flowing through an open U-shaped pipe 401 which is obliquely arranged, and arranging a plurality of baffle plates 402 which are oppositely arranged at equal intervals on the inner wall of the open U-shaped pipe 401 to realize full aeration and stirring of the arsenic-containing wastewater after being fed; the arsenic-containing wastewater after the feeding is stirred uniformly and is retained for a certain time, and then flows into a clarification tank 6 for precipitation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Although the present disclosure describes embodiments in terms of one embodiment, not every embodiment is provided with only one embodiment, and the description is for clarity only, and those skilled in the art should recognize that the embodiments described in the disclosure may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
Claims (10)
1. The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device comprises a liquid storage tank (1) and is characterized in that; the upper end of the liquid storage tank (1) is connected with a liquid outlet pipe (2) communicated with the inside of the liquid storage tank (1), and one end, far away from the liquid storage tank (1), of the liquid outlet pipe (2) is provided with a feeding component (3) for feeding arsenic removal agent into the liquid outlet pipe (2);
The outlet end of the liquid outlet pipe (2) is connected with a long-range direct current stirring assembly (4) for mixing wastewater and arsenic removal medicaments, a support (5) is arranged at the lower end of the long-range direct current stirring assembly (4), and a clarification tank (6) is arranged below a lower port of the long-range direct current stirring assembly (4).
2. The long Cheng Ziliu stirring arsenic-containing wastewater treatment device according to claim 1, wherein the feeding assembly (3) comprises a feeding pipe (302), the feeding pipe (302) is fixedly connected to the upper end of a port of the liquid outlet pipe (2), the feeding pipe (302) is communicated with the inside of the liquid outlet pipe (2), an upper positioning plate (309) is fixedly connected to the upper end inside the feeding pipe (302), a lower positioning plate (312) is fixedly connected to the position, below the upper positioning plate (309), of the feeding pipe (302), an upper guide rod (308) is slidably connected to the middle position of the upper positioning plate (309), a sealing block (311) is fixedly connected to the lower end of the upper guide rod (308), a spring (310) is arranged in a penetrating manner at the position between the upper positioning plate (309) and the sealing block (311), and an intermittent motion assembly for driving the sealing block (311) to perform intermittent up-down motion is arranged at the lower end of the feeding pipe (302).
3. The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device according to claim 2, wherein a plurality of through holes are formed in the upper positioning plate (309), and a plurality of blanking holes are formed in the lower positioning plate (312) at the position below the sealing block (311).
4. The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device according to claim 2, wherein the intermittent motion component comprises a guide box (303), the guide box (303) is fixedly connected to the position on one side of a feeding pipe (302), a sliding groove in the guide box (303) is communicated with the feeding pipe (302), a lower guide rod (313) which is fixedly connected with a lower positioning plate (312) in sliding connection with the lower end of the sealing block (311), a connecting rod (314) is fixedly connected with the lower end of the lower guide rod (313), the connecting rod (314) is in sliding connection with the guide box (303), a supporting rod (304) is fixedly connected to one end, far away from the lower guide rod (313), of the connecting rod (314), a roller (305) is installed at the lower end of the supporting rod (304), and a driving component for pushing the roller (305) to move up and down is further arranged on the liquid outlet pipe (2).
5. The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device according to claim 4, wherein the driving assembly comprises a shaft (307), the shaft (307) is rotatably connected to the middle position of a port of the liquid outlet pipe (2), the fan blade (301) is installed at the position of the shaft (307) located inside the liquid outlet pipe (2), and a cylindrical cam (306) matched with the roller (305) is fixedly connected to the upper end of the shaft (307).
6. The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device according to claim 1, wherein the long range direct current stirring assembly (4) comprises a plurality of open U-shaped pipes (401) and connecting pipes (404) which are obliquely arranged, two ends of each connecting pipe (404) are respectively provided with an elbow (403), each open U-shaped pipe (401) is connected end to end by adopting each connecting pipe (404) and each elbow (403), and a plurality of baffle plates (402) are arranged inside each open U-shaped pipe (401).
7. The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device according to claim 6, wherein the baffle plates (402) are respectively distributed at two sides of the open U-shaped pipe (401), and the baffle plates (402) at two sides are arranged in a staggered manner.
8. The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device according to claim 2, wherein a flexible protective sleeve is hermetically coated on the outer peripheral surface of the spring (310), one end of the protective sleeve is connected with the upper positioning plate (309), and the other end of the protective sleeve is connected with the sealing block (311).
9. The long Cheng Ziliu stirring type arsenic-containing wastewater treatment device according to claim 2, wherein the sealing block (311) is made of rubber material.
10. A method of using a long Cheng Ziliu stirred arsenic-containing wastewater treatment plant as claimed in any one of claims 1 to 9, comprising the steps of:
step 1, storing arsenic-containing wastewater; collecting arsenic-containing wastewater into a liquid storage tank (1) for storage;
Step 2, feeding; arsenic-containing wastewater is pumped out of the liquid storage tank (1) through a pump, is fed through a feeding component (3) at the outlet of the liquid outlet pipe (2), drives the fan blades (301) to rotate, meanwhile, the cylindrical cam (306) drives the rollers (305) to reciprocate up and down, the supporting rods (304) drive the lower guide rods (313) and the sealing blocks (311) to move upwards through the connecting rods (314) so as to separate from the lower positioning plates (312), the sealing blocks (311) seal the lower positioning plates (312) through the elastic operation of the springs (310), and the feeding operation is realized through the sealing and separation of the sealing blocks (311) from the lower positioning plates (312);
Step 3, stirring and detention; after the arsenic-containing wastewater is fed through the feeding component (3), the arsenic-containing wastewater enters the long-range direct current stirring component (4) for stirring and detention, the arsenic-containing wastewater automatically flows through an open U-shaped pipe (401) which is obliquely arranged, and a plurality of baffle plates (402) which are oppositely arranged at equal intervals are arranged on the inner wall of the open U-shaped pipe (401) to realize full aeration and stirring of the arsenic-containing wastewater after feeding;
step 4, precipitation; after being stirred uniformly, the arsenic-containing wastewater after being fed is retained for a certain time and flows into a clarification tank (6) for precipitation.
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| CN202311239100.5A CN118255443A (en) | 2023-09-25 | 2023-09-25 | A long-distance gravity-flow stirring arsenic-containing wastewater treatment device and method |
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| CN202311239100.5A CN118255443A (en) | 2023-09-25 | 2023-09-25 | A long-distance gravity-flow stirring arsenic-containing wastewater treatment device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119240904A (en) * | 2024-10-11 | 2025-01-03 | 中南民族大学 | Arsenic-containing wastewater treatment device |
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