Arsenic removal device for industrial wastewater

Abstract

The utility model discloses an industrial wastewater arsenic removal device, which comprises a reaction tank, a stirring mechanism and a filter plate, the stirring mechanism is arranged in the reaction tank, one side of the reaction tank is provided with a mounting port, the filter plate is inserted in the mounting port, the inside of the filter plate is fixedly connected with a polytetrafluoroethylene film, and the polytetrafluoroethylene film is fixedly connected with the stirring mechanism. Positioning grooves are formed in the two inner side walls of the mounting opening, a sliding groove is formed in the end, close to the mounting opening, of the filter plate, a two-way screw rod is rotationally mounted in the sliding groove, and the two ends of the two-way screw rod are in threaded connection with positioning rods; a driving part for driving the bidirectional screw rod to rotate is arranged at one end, close to the mounting opening, of the filter plate. Through the arrangement of the positioning groove, the sliding groove, the two-way screw rod, the positioning rod and the driving piece, when filtered sediments need to be cleaned, the filter plate can be taken out from the mounting opening, and the sediments in the filter plate can be conveniently cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial wastewater treatment technical field especially relates to a kind of industrial wastewater arsenic removal device. BACKGROUND

[0002] Wastewater treatment is to use physical, chemical and biological methods to treat wastewater, purify wastewater, reduce pollution, so as to achieve wastewater recycling, reuse, fully utilize water resources, industrial wastewater arsenic removal device is to remove arsenic impurities in wastewater generated in industrial production process, to prevent a large amount of sewage rich in arsenic element from being discharged into the natural environment to cause serious damage to the natural environment device, which has been widely used in the field of water treatment.

[0003] At present, the existing industrial wastewater arsenic removal device mainly adds iron salt to wastewater, reacts with arsenic in wastewater to produce flocculation precipitate, and then filters the precipitate by polytetrafluoroethylene membrane to remove arsenic in wastewater, however, the existing industrial wastewater arsenic removal device usually fixes polytetrafluoroethylene membrane in the device, when cleaning the precipitate filtered on polytetrafluoroethylene membrane, the operation is more troublesome, which seriously affects work efficiency.

[0004] Therefore, it is necessary to provide an industrial wastewater arsenic removal device. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides an industrial wastewater arsenic removal device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an industrial wastewater arsenic removal device, comprising a reaction tank, a stirring mechanism and a filter plate, the stirring mechanism is arranged in the reaction tank, one side of the reaction tank is provided with a mounting port, the filter plate is inserted into the mounting port, the inside of the filter plate is fixedly connected with a polytetrafluoroethylene membrane;

[0007] Both inside walls of the mounting port are provided with positioning grooves, the inside of one end of the filter plate close to the mounting port is provided with a sliding groove, a bidirectional screw rod is rotatably installed in the inside of the sliding groove, both ends of the bidirectional screw rod are threadedly connected with positioning rods, one end of the filter plate close to the mounting port is provided with a driving member for driving the bidirectional screw rod to rotate.

[0008] As a further description of the above technical scheme:

[0009] The top and bottom of one side of the reaction tank are respectively provided with water inlet pipe and water outlet pipe.

[0010] As a further description of the above technical scheme:

[0011] The stirring mechanism comprises a motor fixedly installed on the top of the reaction tank and a stirring rod fixedly installed on the output end of the motor.

[0012] As a further description of the above technical solution:

[0013] Both sides of the stirring rod are fixedly installed with connecting rods, and the ends of the connecting rods are fixedly installed with scrapers.

[0014] As a further description of the above technical solution:

[0015] The driving member comprises a knob, a worm and a worm wheel, the knob is fixedly connected to one end of the worm, the worm is rotatably installed in the sliding groove, and the worm wheel is fixedly installed in the middle of the bidirectional screw and is in meshing connection with the worm.

[0016] As a further description of the above technical solution:

[0017] The filter plate is provided with a groove at one end close to the installation opening, and the knob is arranged in the groove.

[0018] As a further description of the above technical solution:

[0019] The top and bottom of the filter plate are embedded with sealing rings.

[0020] As a further description of the above technical solution:

[0021] The filter plate is fixedly connected with a handle at one end close to the installation opening.

[0022] The utility model has the advantages of:

[0023] 1. Compared with the prior art, the utility model is provided with a positioning groove, a sliding groove, a bidirectional screw, a positioning rod and a driving member, when it is necessary to clean the filtered precipitate, the bidirectional screw is reversely rotated by the driving member, the two positioning rods are relatively moved by the bidirectional screw, the positioning rod is moved out of the positioning groove, and the filter plate can be taken out of the installation opening, so that the precipitate in the filter plate can be conveniently cleaned.

[0024] 2. Compared with the prior art, the utility model is provided with a connecting rod and a scraper, during the rotation of the stirring rod, the connecting rod is rotated by the stirring rod, the scraper is circumferentially moved by the connecting rod, the precipitate adhered to the inner wall of the reaction tank is scraped by the scraper, and the inner wall of the reaction tank is conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The utility model provides an overall structure schematic diagram of an industrial wastewater arsenic removal device;

[0026] Figure 2A split structure schematic view of the filter plate of the industrial wastewater arsenic removal device is provided in the utility model.

[0027] Figure 3 A section structure schematic view of the mounting port and the filter plate of the industrial wastewater arsenic removal device is provided in the utility model.

[0028] Figure 4 A structure schematic view of the stirring mechanism of the industrial wastewater arsenic removal device is provided in the utility model.

[0029] Legend:

[0030] 1, reaction tank; 11, mounting port; 12, positioning groove; 13, water inlet pipe; 14, water outlet pipe; 2, stirring mechanism; 21, motor; 22, stirring rod; 23, connecting rod; 24, scraper; 3, filter plate; 31, polytetrafluoroethylene membrane; 32, chute; 33, bidirectional screw; 34, positioning rod; 35, driving part; 351, knob; 352, worm; 353, worm wheel; 36, groove; 37, sealing ring; 38, handle. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figures 1-4 The utility model provides a kind of industrial wastewater arsenic removal device, including reaction tank 1, stirring mechanism 2 and filter plate 3, the top and bottom of the side of reaction tank 1 are respectively provided with water inlet pipe 13 and water outlet pipe 14, when treating arsenic in industrial wastewater, the industrial wastewater containing arsenic can be transported from water inlet pipe 13 into reaction tank 1, then add iron salt into reaction tank 1 by feed pipe on the top of reaction tank 1, react with arsenic in wastewater to produce flocculation precipitate, stirring mechanism 2 is arranged in reaction tank 1, stirring mechanism 2 includes motor 21 fixedly installed on the top of reaction tank 1 and stirring rod 22 fixedly installed on the output end of motor 21, by the setting of stirring mechanism 2, during reaction, motor 21 can be started to drive stirring rod 22 to rotate, so that stirring rod 22 stirs wastewater, improves the mixing reaction rate of iron salt and arsenic, so that the arsenic removal efficiency can be improved.

[0033] Further, both sides of the stirring rod 22 are fixedly installed with a connecting rod 23, the end of the connecting rod 23 is fixedly installed with a scraper 24, the scraper 24 is in contact with the inner side wall of the reaction tank 1, through the setting of the connecting rod 23 and the scraper 24, in the rotating process of the stirring rod 22, the connecting rod 23 can be rotated by the stirring rod 22, the connecting rod 23 drives the scraper 24 to move in a circle, through the scraping of the scraper 24 on the inner wall of the reaction tank 1, the precipitate attached to the inner wall of the reaction tank 1 is scraped off, which is convenient for cleaning the inner wall of the reaction tank 1.

[0034] With reference to Figure 1 and Figure 2 , one side of the reaction tank 1 is provided with a mounting port 11, the filter plate 3 is inserted into the mounting port 11, the inside of the filter plate 3 is fixedly connected with a polytetrafluoroethylene membrane 31, through the setting of the filter plate 3, before use, the filter plate 3 is inserted into the reaction tank 1 from the mounting port 11, after reaction, the polytetrafluoroethylene membrane 31 in the filter plate 3 can filter the precipitate generated in the reaction, so that the precipitate remains in the filter plate 3.

[0035] With reference to Figure 2 and Figure 3 , both inner side walls of the mounting port 11 are provided with a positioning groove 12, the inside of one end of the filter plate 3 close to the mounting port 11 is provided with a sliding groove 32, a bidirectional screw rod 33 is rotatably installed in the inside of the sliding groove 32, both ends of the bidirectional screw rod 33 are threadedly connected with a positioning rod 34, one end of the filter plate 3 close to the mounting port 11 is provided with a driving piece 35 for driving the bidirectional screw rod 33 to rotate, through the setting of the positioning groove 12, the sliding groove 32, the bidirectional screw rod 33, the positioning rod 34 and the driving piece 35, after the filter plate 3 is inserted into the reaction tank 1 from the mounting port 11, the bidirectional screw rod 33 can be rotated by the driving piece 35, the two positioning rods 34 are driven by the bidirectional screw rod 33 to move in opposite directions, the positioning rods 34 are inserted into the positioning grooves 12, so that the filter plate 3 can be fixed in the mounting port 11, which is convenient for installation of the filter plate 3, when the filtered precipitate needs to be cleaned, the bidirectional screw rod 33 is reversely rotated by the driving piece 35, the two positioning rods 34 are relatively moved, the positioning rods 34 are removed from the positioning grooves 12, so that the filter plate 3 can be taken out from the mounting port 11, which is convenient for cleaning the precipitate in the filter plate 3.

[0036] Specifically, the driving piece 35 includes a knob 351, a worm 352 and a worm wheel 353, the knob 351 is fixedly connected with one end of the worm 352, the worm 352 is rotatably installed in the sliding groove 32, the worm wheel 353 is fixedly installed in the middle of the bidirectional screw rod 33 and is in meshing connection with the worm 352, through the setting of the driving piece 35, in operation, the knob 351 can be manually rotated, the knob 351 drives the worm 352 to rotate, the worm 352 drives the worm wheel 353 to rotate, the worm wheel 353 drives the bidirectional screw rod 33 to rotate.

[0037] Further, the filter plate 3 is provided with a groove 36 near one end of the mounting port 11, and a knob 351 is arranged in the groove 36, and the groove 36 can protect the knob 351.

[0038] Further, the filter plate 3 is provided with a groove 36 near one end of the mounting port 11, and a knob 351 is arranged in the groove 36, and the groove 36 can protect the knob 351.

[0039] Further, the filter plate 3 is provided with a groove 36 near one end of the mounting port 11, and a knob 351 is arranged in the groove 36, and the groove 36 can protect the knob 351.

[0040] Working principle: before use, insert the filter plate 3 into the reaction tank 1 from the mounting port 11, after the filter plate 3 is inserted into the reaction tank 1 from the mounting port 11, rotate the knob 351 manually, so that the knob 351 drives the worm 352 to rotate, the worm 352 drives the worm gear 353 to rotate, the worm gear 353 drives the bidirectional screw rod 33 to rotate, the bidirectional screw rod 33 drives the two positioning rods 34 to move in opposite directions, and the positioning rod 34 is inserted into the positioning groove 12, so that the filter plate 3 can be fixed in the mounting port 11.

[0041] When treating arsenic in industrial wastewater, the industrial wastewater containing arsenic can be delivered into the reaction tank 1 from the water inlet pipe 13, and then the iron salt is added into the reaction tank 1 through the feed pipe at the top of the reaction tank 1 to react with the arsenic in the wastewater to produce flocculation precipitate, and during the reaction, the motor 21 can be started to drive the stirring rod 22 to rotate, so that the stirring rod 22 stirs the wastewater, improves the mixing reaction rate of the iron salt and the arsenic, and thus improves the arsenic removal efficiency.

[0042] When it is necessary to clean the filtered precipitate, the knob 351 is only rotated in reverse direction, so that the knob 351 drives the worm 352 to reverse rotation, the worm 352 drives the worm gear 353 to reverse rotation, the worm gear 353 drives the bidirectional screw rod 33 to reverse rotation, the bidirectional screw rod 33 drives the two positioning rods 34 to relatively move, and the positioning rod 34 is removed from the positioning groove 12, so that the filter plate 3 can be pulled out of the mounting port 11 through the handle 38, and the precipitate in the filter plate 3 can be conveniently cleaned.

[0043] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An industrial wastewater arsenic removal device, comprising a reaction tank (1), a stirring mechanism (2), and a filter plate (3), characterized in that: The stirring mechanism (2) is installed inside the reaction tank (1). An installation port (11) is provided on one side of the reaction tank (1). The filter plate (3) is inserted into the installation port (11). A polytetrafluoroethylene membrane (31) is fixedly connected inside the filter plate (3). The mounting port (11) has positioning grooves (12) on both inner sidewalls. The filter plate (3) has a sliding groove (32) on the inside of one end near the mounting port (11). A bidirectional screw (33) is rotatably installed inside the sliding groove (32). Positioning rods (34) are threaded to both ends of the bidirectional screw (33). A driving component (35) for driving the bidirectional screw (33) to rotate is provided at one end of the filter plate (3) near the mounting port (11).

2. The industrial wastewater arsenic removal device according to claim 1, characterized in that: The reaction vessel (1) is provided with an inlet pipe (13) at the top and an outlet pipe (14) at the bottom of one side.

3. The industrial wastewater arsenic removal device according to claim 1, characterized in that: The stirring mechanism (2) includes a motor (21) fixedly installed on the top of the reaction vessel (1) and a stirring rod (22) fixedly installed at the output end of the motor (21).

4. The industrial wastewater arsenic removal device according to claim 3, characterized in that: A connecting rod (23) is fixedly installed on both sides of the stirring rod (22), and a scraper (24) is fixedly installed at the end of the connecting rod (23).

5. The industrial wastewater arsenic removal device according to claim 1, characterized in that: The drive unit (35) includes a knob (351), a worm (352) and a worm wheel (353). The knob (351) is fixedly connected to one end of the worm (352). The worm (352) is rotatably installed in the slide groove (32). The worm wheel (353) is fixedly installed in the middle of the bidirectional screw (33) and meshes with the worm (352).

6. The industrial wastewater arsenic removal device according to claim 5, characterized in that: The filter plate (3) has a groove (36) at one end near the mounting port (11), and the knob (351) is located in the groove (36).

7. The industrial wastewater arsenic removal device according to claim 1, characterized in that: The top and bottom of the filter plate (3) are both fitted with sealing rings (37).

8. The industrial wastewater arsenic removal device according to claim 1, characterized in that: A handle (38) is fixedly connected to one end of the filter plate (3) near the mounting port (11).

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