Photovoltaic wastewater magnetic coagulation deep defluorination device

Abstract

The utility model discloses a photovoltaic wastewater magnetic coagulation deep defluorination device, which relates to the field of magnetic coagulation defluorination, and comprises a magnetic separation tank, a sewage pump is arranged on one side of the magnetic separation tank, a magnetic separator is mounted at the top end of the magnetic separation tank, the bottom of the magnetic separator is connected with a magnetic powder circulating pipe extending into the magnetic separation tank, and the bottom of the magnetic powder circulating pipe is connected with a water pump. The bottom of the magnetic separator is also connected with a spray pipe leading to the sludge tank, and one side of the magnetic separation tank is connected with a guide pipe. The cleaning mechanism is arranged, the filter screen is arranged below the magnetic powder circulating pipe to block flocculent sludge discharged into the magnetic separation tank, the magnetic powder circulating pipe is prevented from being blocked by the flocculent sludge, and powder discharging is prevented from being affected; the movable block is intermittently driven to move up and down to provide vibration force for the filter screen, so that the situation that magnetic powder cannot pass through due to blockage of filter screen pores is avoided, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the magnetic coagulation fluorine removal field, concretely is a kind of photovoltaic wastewater magnetic coagulation depth fluorine removal device. BACKGROUND

[0002] In the industrial production process, many industries such as iron smelting, phosphate ore processing, phosphate fertilizer production, coal combustion process contain a large amount of fluoride ions in the emissions, so that the industrial wastewater generated also contains fluorine element, and the fluorides contained in the wastewater discharged by some electronic component production industries are seriously over-standard, and finally these over-standard fluoride wastewater flows into the natural water body, causing serious water environmental pollution.

[0003] In the prior art, when the photovoltaic wastewater is subjected to magnetic coagulation fluorine removal operation, the wastewater is generally placed in a magnetic coagulation reaction tank, harmful substances in the wastewater are adsorbed by PAC, magnetic powder, PAM and other materials, and the sludge and other harmful substances are separated by sedimentation in a clarifier, and then the sludge is pumped into a magnetic separation tank by a sludge pump, and the sludge is pumped into a magnetic separator on the magnetic separation tank by other pumps for magnetic and sludge separation, so that the magnetic powder is recycled, and when the sludge is pumped into the magnetic separation tank, part of the sludge enters the magnetic separation tank together, floats in a flocculent state, is not easy to discharge, and adheres to the magnetic powder discharge pipeline, causing pipeline blockage, based on this, the utility model provides a photovoltaic wastewater magnetic coagulation depth fluorine removal device. UTILITY MODEL CONTENT

[0004] The utility model aims at: in order to solve the problem raised in the above background art, provide a kind of photovoltaic wastewater magnetic coagulation depth fluorine removal device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of photovoltaic wastewater magnetic coagulation depth fluorine removal device, including magnetic separation tank, the one side of the magnetic separation tank is provided with sludge pump, the top of the magnetic separation tank is equipped with magnetic separator, the bottom of the magnetic separator is connected with the magnetic powder circulation pipe extending to the inside of magnetic separation tank, the bottom of the magnetic separator is also connected with the spray pipe leading to sludge pool, the one side of the magnetic separation tank is connected with guide pipe, the top of the magnetic separation tank is also fixed with the drive motor of power supply, the output end of the drive motor is connected with the stirring rod extending to the inside of magnetic separation tank, cleaning mechanism is set on stirring rod, magnetic separation tank;

[0006] The cleaning mechanism includes a transmission unit, a vibration unit;

[0007] The transmission unit is used to provide power for the movement of the vibration unit;

[0008] The vibration unit is used to avoid the filter screen from being blocked by the sludge.

[0009] As a further scheme of the utility model: the transmission unit includes filter screen, rotating disc, block;

[0010] The filter screen is slidably installed inside the magnetic separation tank, and is used for blocking the sludge inside the magnetic separation tank.

[0011] The rotating disc is fixed to the outer wall of the stirring rod and is located below the filter screen, and is used for driving the block to rotate synchronously.

[0012] The block is fixed to the top end of the rotating disc, and is used for intermittently giving the fixed seat an upward extrusion thrust.

[0013] As a further scheme of the utility model: the vibration unit includes fixed seat, force block, movable block, positioning rod, spring;

[0014] The fixed seat is fixed to the inner wall of the filter screen and extends to the outside of the filter screen, and is used for providing guidance for the vertical movement of the force block.

[0015] The force block is vertically slidably installed inside the fixed seat and extends to the outside of the fixed seat, and is used for synchronously driving the positioning rod to move.

[0016] The movable block is fixed to the top end of the fixed seat and is welded to the upper surface of the filter screen, and is used for giving the filter screen a vibration force.

[0017] The positioning rod is fixed to the top end of the force block and penetrates the inner wall of the fixed seat, and is used for providing guidance for the vertical movement of the force block.

[0018] The two ends of the spring are respectively clamped to the top end of the force block and the inner wall of the fixed seat, and the spring is used for providing a reset elastic force for the moving force block.

[0019] As a further scheme of the utility model: the connection between the force block and the movable block is in a hollow state, and the outer wall of the force block and the movable block is in a whole "T" type structure.

[0020] As a further scheme of the utility model: the outer wall of the positioning rod is in a whole "T" type structure, and the positioning rod is located in the hollow position between the force block and the movable block.

[0021] As a further scheme of the utility model: the position of the force block coincides with the rotation track of the block, and the contact position between the outer wall of the block and the force block is in an arc structure.

[0022] As a further scheme of the utility model: the number of the sewage pump is set to be multiple, one sewage pump input end is connected with the clarifier bottom sludge tank and the output end is connected with the magnetic separation tank through the pipeline, and the input end of other sewage pumps is connected with the clarifier bottom sludge tank and the output end is connected with the magnetic separator through the pipeline.

[0023] Compared with the prior art, the utility model has the beneficial effects that:

[0024] By setting the cleaning mechanism, the filter screen is arranged below the magnetic powder circulating pipe to block the flocculent sludge discharged into the magnetic separation tank, so that the magnetic powder circulating pipe is prevented from being blocked by the flocculent sludge and the powder discharge is affected, and under the action of the rotating stirring rod, the movable block is intermittently driven to move up and down to give the filter screen vibration force, so that the filter screen pores are prevented from being blocked to cause the magnetic powder to be unable to pass through, and the service life is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 It is the structural schematic diagram of the utility model;

[0026] Fig. 2 It is the internal structure schematic diagram of the magnetic separation tank of the utility model;

[0027] Fig. 3 It is the structural schematic diagram of the cleaning mechanism of the utility model.

[0028] In the drawing: 1, magnetic separation tank; 2, sewage pump; 3, magnetic separator; 4, sewage pipe; 5, guide pipe; 6, driving motor; 7, stirring rod; 8, cleaning mechanism; 801, filter screen; 802, rotating disc; 803, stop block; 804, fixed seat; 805, force block; 806, movable block; 807, positioning rod; 808, spring; 9, magnetic powder circulating pipe. DETAILED DESCRIPTION

[0029] The technical scheme 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, 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 fall within the protection scope of the utility model.

[0030] Please refer to Figs. 1-3The utility model discloses an embodiment of a kind of photovoltaic wastewater magnetic coagulation depth defluorination device, including magnetic separation tank 1, the side of magnetic separation tank 1 is provided with blowdown pump 2, the top of magnetic separation tank 1 is installed with magnetic separation machine 3, the bottom of magnetic separation machine 3 is connected with the magnetic powder circulation pipe 9 extending to the inside of magnetic separation tank 1, the bottom of magnetic separation machine 3 is also connected with the spray pipe 4 leading to sludge tank, the side of magnetic separation tank 1 is connected with guide pipe 5, the top of magnetic separation tank 1 is also fixed with the driving motor 6 of power supply, the output end of driving motor 6 is connected with the stirring rod 7 extending to the inside of magnetic separation tank 1, cleaning mechanism 8 is set on stirring rod 7, magnetic separation tank 1;

[0031] Cleaning mechanism 8 includes transmission unit, vibration unit;

[0032] Transmission unit is used to provide power for the activity of vibration unit;

[0033] Vibration unit is used to avoid the blockage of filter screen 801 from sludge;

[0034] Transmission unit includes filter screen 801, turntable 802, block 803;

[0035] Filter screen 801 is slidably installed in the inside of magnetic separation tank 1, and filter screen 801 is used to block the sludge in the inside of magnetic separation tank 1;

[0036] Turntable 802 is fixed on the outer wall of stirring rod 7 and below filter screen 801, and turntable 802 is used to drive block 803 to rotate synchronously;

[0037] Block 803 is fixed on the top of turntable 802, and block 803 is used to intermittently give the upward extrusion thrust of fixed seat 804;

[0038] Vibration unit includes fixed seat 804, force block 805, movable block 806, positioning rod 807 and spring 808;

[0039] Fixed seat 804 is fixed on the inner wall of filter screen 801 and extends to the outside of filter screen 801, and fixed seat 804 is used to provide orientation for the vertical movement of force block 805;

[0040] Force block 805 is vertically slidably installed in the inside of fixed seat 804 and extends to the outside of fixed seat 804, and force block 805 is used to drive positioning rod 807 to move synchronously;

[0041] Movable block 806 is fixed on the top of fixed seat 804 and is welded with the upper surface of filter screen 801, and movable block 806 is used to give vibration force to filter screen 801;

[0042] Positioning rod 807 is fixed on the top of force block 805 and penetrates the inner wall of fixed seat 804, and positioning rod 807 is used to provide orientation for the vertical movement of force block 805.

[0043] Two ends of the spring 808 are clamped on the top end of the force block 805 and the inner wall of the fixed seat 804 respectively, and the spring 808 is used for providing a reset elastic force for the moving force block 805;

[0044] The number of the sewage pumps 2 is multiple, the input end of one sewage pump 2 is connected with the sludge tank at the bottom of the clarifier through a pipeline, and the output end is connected with the inside of the magnetic separation tank 1 through a pipeline, the input end of the other sewage pump 2 is connected with the sludge tank at the bottom of the clarifier through a pipeline, and the output end is connected with the magnetic separator 3 through a pipeline.

[0045] In the embodiment, when the magnetic powder is recycled, the sludge in the clarifier is transported into the inside of the magnetic separation tank 1 and the magnetic separator 3 through the sewage pump 2, the magnetic separator 3 directly discharges the larger magnetic powder in the sludge into the inside of the magnetic separation tank 1, the other sludge and magnetic powder are separated, the magnetic powder is discharged into the inside of the magnetic separation tank 1 through the magnetic separator 3, the sludge is discharged into the sludge collecting tank through the magnetic powder circulation pipe 9, and the sludge directly entering the inside of the magnetic separation tank 1 contacts with the magnetic powder discharged from the magnetic separator 3, is mixed through the contact with the sludge, is precipitated downward, and is transported into the clarifier again through the bridging effect of the macromolecule to be magnetically mixed and separated;

[0046] In the working process of the stirring rod 7, the rotation of the stirring rod 7 will synchronously drive the rotation of the rotating disc 802, the abutting block 803 fixed on the outer wall of the rotating disc 802 will rotate with the rotation of the rotating disc 802, the rotating abutting block 803 will intermittently contact the bottom of the force block 805, the abutting block 803 with the arc-shaped end will give the pushing force to the upward movement of the force block 805, the force block 805 will synchronously move upward with the movable block 806 and the positioning rod 807, the movable block 806 will separate from the top outer wall of the filter screen 801, and the moving positioning rod 807 and the force block 805 will also give the extrusion elastic force to the spring 808, when the vertical surface of the force block 805 contacts the abutting block 803, the force block 805 and the movable block 806 will reset under the action of the spring 808, the spring 808 will hit the upper surface of the filter screen 801, the clogged flocculent sludge at the bottom of the filter screen 801 is cleaned, the magnetic powder shell contacts the flocculent sludge through the filter screen 801, the sludge is prevented from entering the inside of the magnetic powder circulation pipe 9 to cause the blockage, and the service life is further improved.

[0047] Please refer to Figs. 1-3 The connection position of the force block 805 and the movable block 806 is in a hollow state, the outer wall of the force block 805 and the movable block 806 is in a whole "T" type structure, the outer wall of the positioning rod 807 is in a whole "T" type structure, the positioning rod 807 is located in the hollow position between the force block 805 and the movable block 806, the position of the force block 805 coincides with the rotating track of the abutting block 803, and the contact position of the outer wall of the abutting block 803 and the force block 805 is in an arc structure.

[0048] In the embodiment: through this structure, when the stirring rod 7 rotates under the action of the driving motor 6, the rotating stirring rod 7 synchronously drives the outer wall fixed rotating disc 802 and the abutting block 803 to rotate circumferentially, the circumferentially rotating abutting block 803 will intermittently contact the force receiving block 805 in the rotating range, and the arc-shaped end of the abutting block 803 gives the force receiving block 805 an upward moving extrusion thrust.

[0049] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A photovoltaic wastewater magnetic coagulation deep defluorination device, comprising a magnetic separation tank (1), one side of the magnetic separation tank (1) is provided with a blowdown pump (2), the top end of the magnetic separation tank (1) is installed with a magnetic separation machine (3), the bottom of the magnetic separation machine (3) is connected with a magnetic powder circulating pipe (9) extending into the inside of the magnetic separation tank (1), the bottom of the magnetic separation machine (3) is also connected with a spray pipe (4) leading to a sludge tank, one side of the magnetic separation tank (1) is connected with a guide pipe (5), the top end of the magnetic separation tank (1) is also fixed with a driving motor (6) providing power, the output end of the driving motor (6) is connected with a stirring rod (7) extending into the inside of the magnetic separation tank (1), characterized in that, The cleaning mechanism (8) is arranged on the stirring rod (7) and the magnetic separation tank (1); The cleaning mechanism (8) comprises a transmission unit and a vibration unit; The transmission unit is used for providing power for the movement of the vibration unit; The vibration unit is used for avoiding the filter screen (801) from being blocked by the sludge.

2. The photovoltaic wastewater magnetic coagulation deep defluorination device according to claim 1, characterized in that, The transmission unit comprises a filter screen (801), a rotating disc (802) and a resisting block (803); The filter screen (801) is slidably arranged in the magnetic separation tank (1), and is used for blocking the sludge in the magnetic separation tank (1); The rotating disc (802) is fixed to the outer wall of the stirring rod (7) and located below the filter screen (801), and is used for driving the resisting block (803) to rotate synchronously. The resisting block (803) is fixed to the top end of the rotating disc (802), and is used for intermittently providing the fixed seat (804) with an upward extrusion force.

3. The photovoltaic wastewater magnetic coagulation deep defluorination device according to claim 2, characterized in that, The vibration unit comprises a fixed seat (804), a force receiving block (805), a movable block (806), a positioning rod (807) and a spring (808); The fixed seat (804) is fixed to the inner wall of the filter screen (801) and extends to the outside of the filter screen (801), and is used for guiding the vertical movement of the force receiving block (805); The force receiving block (805) is vertically slidably arranged in the fixed seat (804) and extends to the outside of the fixed seat (804), and is used for synchronously driving the positioning rod (807) to move; The movable block (806) is fixed to the top end of the fixed seat (804) and is welded to the upper surface of the filter screen (801), and is used for providing the filter screen (801) with a vibration force; The positioning rod (807) is fixed to the top end of the force receiving block (805) and penetrates the inner wall of the fixed seat (804), and is used for guiding the vertical movement of the force receiving block (805); The spring (808) is clamped at the top end of the force receiving block (805) and the inner wall of the fixed seat (804), respectively, and is used for providing the moving force receiving block (805) with a reset elastic force.

4. The photovoltaic wastewater magnetic coagulation deep defluorination device according to claim 3, characterized in that, The connection between the force receiving block (805) and the movable block (806) is in a hollow state, and the outer wall of the force receiving block (805) and the movable block (806) is in a whole "T" shape structure.

5. The photovoltaic wastewater magnetic coagulation deep defluorination device according to claim 3, characterized in that, The outer wall of the positioning rod (807) is in a whole "T" shape structure, and the positioning rod (807) is located in the hollow position between the force receiving block (805) and the movable block (806).

6. The photovoltaic wastewater magnetic coagulation deep defluorination device according to claim 3, characterized in that, The position of the force receiving block (805) coincides with the rotating track of the resisting block (803), and the contact position between the outer wall of the resisting block (803) and the force receiving block (805) is in an arc structure.

7. The photovoltaic wastewater magnetic coagulation deep defluorination device according to claim 1, characterized in that, A plurality of the sludge pumps (2) are arranged, one input end of the sludge pump (2) is connected with the sludge tank at the bottom of the clarifier through a pipeline, and the output end is connected with the inside of the magnetic separation tank (1) through a pipeline, and the input end of the other sludge pump (2) is connected with the sludge tank at the bottom of the clarifier through a pipeline, and the output end is connected with the magnetic separation machine (3) through a pipeline.

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