Treatment device for wastewater containing antimony and arsenic

Abstract

The utility model relates to an antimony and arsenic-containing wastewater treatment device, which comprises a fixed shell, the fixed shell is of a tubular shell structure with one sealed end, and a wastewater filtering and packaging cover is arranged on one side of the fixed shell. Therefore, the filtering module is convenient to replace. After the wastewater filtering and packaging cover is locked with the fixed shell through a locker, a jacking pipe of the wastewater filtering and packaging cover is matched with a first limiting ring to clamp the filtering module under a certain pressure, so that the sealing performance between the filtering module and a tank body formed by the fixed shell, the jacking pipe and a limiting plate is improved, and wastewater can be conveniently and fully filtered through the filtering module; excessive wastewater is prevented from passing through gaps.

Description

Technical Field

[0001] The utility model relates to a filtering device, more specifically a device for treating wastewater containing antimony and arsenic. Background Art

[0002] The existing filter press of the wastewater treatment device directly installs the filter module inside the box, which cannot be easily disassembled, and there is a gap between the filter module and the tank body, allowing wastewater to pass through without being filtered. For example, Patent Publication No.: CN210915593U discloses a device for treating antimony and arsenic-containing wastewater. The fine mesh grid, activated carbon adsorption net and other filter modules of this device are directly installed inside the wastewater filter box. Since the filter module will gradually become saturated as the filtration proceeds, it needs to be replaced frequently. This device does not have a structure that is convenient for replacing the filter device. Summary of the invention

[0003] The purpose of the utility model is to provide a device for treating wastewater containing antimony and arsenic, which can take out the filter module after disassembly, so as to facilitate the replacement of the filter module. When the wastewater filter packaging cover is locked with the fixed shell by the locker, the top pressure pipe of the wastewater filter packaging cover will cooperate with the first limit ring to clamp the filter module with a certain pressure, so as to improve the sealing between the filter module and the tank body composed of the fixed shell, the top pressure pipe and the limit plate, so as to facilitate the wastewater to be fully filtered through the filter module and avoid excessive wastewater from passing through the gap.

[0004] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] The device for treating wastewater containing antimony and arsenic comprises a high-level tank, a low-level tank, a pressure tank, a spiral reaction tank, a sedimentation tank, a filter press, a doser, a solid waste field, two primary sedimentation tanks, and two secondary sedimentation tanks, wherein the outlet of the high-level tank is connected to the inlet of the low-level tank, the outlet of the low-level tank is connected to the inlet of the pressure tank, the outlet of the pressure tank is connected to the inlet of the reaction tank, the outlet of the reaction tank is connected to the inlet of the sedimentation tank, the outlet of the sedimentation tank is connected to the inlet of the first primary sedimentation tank, the outlet of the first primary sedimentation tank is connected to the inlet of the first secondary sedimentation tank, the outlet of the first secondary sedimentation tank is connected to the inlet of the second secondary sedimentation tank, the outlet of the second secondary sedimentation tank is connected to the inlet of the second primary sedimentation tank, and the outlet of the second primary sedimentation tank is connected to the inlet of the second The inlet of the filter press and the outlet of the filter press are connected to the solid waste site. The reaction pool includes two groups of reaction devices, each group of reaction devices includes three dosing devices and two spiral reaction tanks, each spiral reaction tank is located between the two dosing devices, the inlets and outlets of the three dosing devices and the inlets and outlets of the two spiral reaction tanks are connected through pipelines, the outlet of the pressure tank is connected to the inlet of the first doser, the outlet of the first doser is connected to the inlet of the first spiral reaction tank, the outlet of the first spiral reaction tank is connected to the inlet of the second doser, the outlet of the second doser is connected to the inlet of the second spiral reaction tank, the outlet of the second spiral reaction tank is connected to the inlet of the third doser, and the outlet of the third doser is connected to the inlet of the sedimentation tank.

[0006] In order to further achieve the purpose of the utility model, the following technical scheme can also be adopted: the filter press includes a fixed shell, the fixed shell is a tubular shell structure with one end sealed, a wastewater filter packaging cover on one side of the fixed shell, the wastewater filter packaging cover includes a top pressure tube, the top pressure tube is a tubular shell structure, one end of the top pressure tube is connected to a limit plate, the limit plate can close one side port of the top pressure tube, the top pressure tube can be plugged and matched with the fixed shell, the middle inner wall side periphery of the fixed shell is connected to a first limit ring, the outer side periphery of the first limit ring is connected to the inner wall side periphery of the fixed shell Then, one side of the first limiting ring is connected to the silicone ring, one side of the silicone ring is provided with a filter module, the silicone ring and the top pressure tube can cooperate to clamp the filter module, the sealed end of the fixed shell is connected to the water inlet pipe, a through hole is opened on one side of the top pressure tube, one side of the fixed shell is connected to the water outlet pipe, one end of the water outlet pipe can be connected to the through hole, a locker is installed between the fixed shell and the limiting plate, the inlet of the water inlet pipe is connected to the second primary sedimentation tank, the outlet of the water outlet pipe is connected to the solid waste field, and a pressure pump is installed in the middle of the water inlet pipe, and the pressure pump can drive the water inside the water inlet pipe to flow to the inside of the fixed shell.

[0007] After the pressing tube is plugged into the fixed shell, the outer side circumference of the pressing tube fits with the inner wall side circumference of the fixed shell.

[0008] The filter module comprises a filter plate, a positioning ring is arranged on the side periphery of the filter plate, and the silicone ring and the top pressure tube can cooperate to clamp the side periphery of the filter plate.

[0009] The locker includes more than three locking devices, which include a nut and a limiting tube. The outer side of the nut is connected to the fixed shell, the outer side of the limiting tube is connected to the limiting plate, the inside of the limiting tube is connected with a bolt, the screw rod of the bolt cooperates with the limiting tube, the end of the screw rod of the limiting tube can be threadedly connected with the nut, and a second limiting ring is sleeved on the middle part of the screw rod of the bolt. The second limiting ring is welded after being inserted into the bolt, and the second limiting ring cannot pass through the limiting tube. The limiting tube is located between the nut and the second limiting ring.

[0010] A partition is installed in the middle of the top pressure pipe, the side of the partition is connected to the side of the inner wall of the top pressure pipe, one side of the positioning ring is connected to the hanging ring, one side of the partition is connected to the hook, and the hook can cooperate with the hanging ring.

[0011] The bottom of the fixed shell is connected to the fixing seat.

[0012] The advantages of the utility model are: the utility model adds a water filter packaging cover, and the wastewater filter packaging cover will take out the filter module together after disassembly, so as to facilitate the replacement of the filter module. When the wastewater filter packaging cover is locked with the fixed shell through the locker, the top pressure tube of the wastewater filter packaging cover will cooperate with the first limit ring to clamp the filter module with a certain pressure, thereby improving the sealing between the filter module and the tank body composed of the fixed shell, the top pressure tube, and the limit plate, so as to facilitate the wastewater to be fully filtered through the filter module and avoid excessive wastewater from passing through the gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is one of the structural diagrams of the utility model;

[0015] Figure 2 This is the second structural diagram of the utility model;

[0016] Figure 3 This is one of the structural schematic diagrams of the filter press of the utility model;

[0017] Figure 4 This is the second structural schematic diagram of the filter press of the utility model;

[0018] Figure 5 It is a schematic diagram of the site layout structure of the utility model. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings.

[0020] Embodiment 1:

[0021] Antimony and arsenic wastewater treatment equipment, such as Figure 1-Figure 5 As shown, it includes a high-level tank 31, a low-level tank 32, a pressure tank 33, a spiral reaction tank 34, a sedimentation tank 35, a filter press 38, a doser 39, a solid waste field 40, two primary sedimentation tanks 36, and two secondary sedimentation tanks 37. The outlet of the high-level tank 31 is connected to the inlet of the low-level tank 32, the outlet of the low-level tank 32 is connected to the inlet of the pressure tank 33, the outlet of the pressure tank 33 is connected to the inlet of the reaction tank, the outlet of the reaction tank is connected to the inlet of the sedimentation tank 35, the outlet of the sedimentation tank 35 is connected to the inlet of the first primary sedimentation tank 36, the outlet of the first primary sedimentation tank 36 is connected to the inlet of the first secondary sedimentation tank 37, the outlet of the first secondary sedimentation tank 37 is connected to the inlet of the second secondary sedimentation tank 37, the outlet of the second secondary sedimentation tank 37 is connected to the inlet of the second primary sedimentation tank 36, and the outlet of the second primary sedimentation tank 36 is connected to the The inlet of the filter press 38 is connected, and the outlet of the filter press 38 is connected to the solid waste site 40. The reaction pool includes two groups of reaction devices, each group of reaction devices includes three dosing devices 39 and two spiral reaction tanks 34, each spiral reaction tank 34 is located between two dosing devices 39, the inlet and outlet of the three dosing devices 39, and the inlet and outlet of the two spiral reaction tanks 34 are connected through pipelines, the outlet of the pressure tank 33 is connected to the inlet of the first dosing device 39, the outlet of the first dosing device 39 is connected to the inlet of the first spiral reaction tank 34, the outlet of the first spiral reaction tank 34 is connected to the inlet of the second dosing device 39, the outlet of the second dosing device 39 is connected to the inlet of the second spiral reaction tank 34, the outlet of the second spiral reaction tank 34 is connected to the inlet of the third dosing device 39, and the outlet of the third dosing device 39 is connected to the inlet of the sedimentation tank 35.

[0022] The utility model of the polluted water treatment plant construction utilizes the natural water level difference between the mine openings, and the whole process is basically completed by gravity. Two sets of treatment systems are adopted, and the volume difference between the high and low water tanks is used to adjust the flow.

[0023] Polluted water collection: Collect the water from Miaogou D-02 Mine, 802 Mine, 803 Mine, Hulanggou D-50 Mine, D-52 Mine in the high-level pool downstream of Hulanggou mouth, and then collect the water from Beigou D-58 Mine in the low-level pool near the upstream shaft of Jiangjunmiao. All PE engineering plastic pipes are used.

[0024] Adding and stirring reaction: The low-level water tank is connected to the pressure tank through a PE engineering plastic pipe, and then connected to the stirring reaction tank. Through two-way stirring, the reagents react fully with antimony and arsenic.

[0025] Static precipitation, solid-liquid separation: After the reaction is completed, the product flows into the inclined tube sedimentation tank by gravity. After standing, antimony and arsenic settle to the bottom of the tank. The supernatant is discharged by gravity, and the sediment is released from the bottom valve and transported to a special discharge site after filter pressing.

[0026] Adjust discharge: add prepared alkaline solution to the supernatant, adjust the pH value to 6-8, and discharge after sampling and testing.

[0027] The filter press 38 includes a fixed shell 1, which is a tubular shell structure with one end sealed, a wastewater filter packaging cover on one side of the fixed shell 1, and the wastewater filter packaging cover includes a top pressure tube 20, which is a tubular shell structure, one end of the top pressure tube 20 is connected to a limit plate 19, the limit plate 19 can close one side port of the top pressure tube 20, the top pressure tube 20 can be plugged and matched with the fixed shell 1, the middle inner wall side of the fixed shell 1 is connected to the first limit ring 2, the outer side of the first limit ring 2 is connected to the inner wall side of the fixed shell 1, and one side of the first limit ring 2 is connected to a silicone ring 3, silicone A filter module is arranged on one side of the rubber ring 3, and the silicone ring 3 and the top pressure tube 20 can cooperate to clamp the filter module, the sealed end of the fixed shell 1 is connected to the water inlet pipe 7, a through hole 9 is opened on one side of the top pressure tube 20, one side of the fixed shell 1 is connected to the water outlet pipe 10, one end of the water outlet pipe 10 can be connected to the through hole 9, a lock is installed between the fixed shell 1 and the limit plate 19, the inlet of the water inlet pipe 7 is connected to the second primary sedimentation tank 36, the outlet of the water outlet pipe 10 is connected to the solid waste field 40, and a pressure pump 51 is installed in the middle of the water inlet pipe 7, and the pressure pump 51 can drive the water inside the water inlet pipe 7 to flow to the inside of the fixed shell 1.

[0028] After the pressing tube 20 is plugged into and matched with the fixed housing 1 , the outer side circumference of the pressing tube 20 is in contact with the inner wall side circumference of the fixed housing 1 .

[0029] The filter module comprises a filter plate 5 , a positioning ring 4 is arranged on the side periphery of the filter plate 5 , and the silicone ring 3 and the top pressure tube 20 can cooperate to clamp the side periphery of the filter plate 5 .

[0030] The lock includes more than three locking devices, which include a nut 13 and a limiting tube 14. The outer side of the nut 13 is connected to the fixed shell 1, the outer side of the limiting tube 14 is connected to the limiting plate 19, the inner part of the limiting tube 14 is connected with a bolt 16, the screw rod of the bolt 16 cooperates with the limiting tube 14, the screw rod end of the limiting tube 14 can be threadedly connected with the nut 13, the middle part of the screw rod of the bolt 16 is sleeved with a second limiting ring 15, the second limiting ring 15 is welded after being plugged into the bolt 16, the second limiting ring 15 cannot pass through the limiting tube 14, and the limiting tube 14 is located between the nut 13 and the second limiting ring 15.

[0031] A partition 8 is installed in the middle of the top pressure tube 20, and the side of the partition 8 is connected to the side of the inner wall of the top pressure tube 20. One side of the positioning ring 4 is connected to a hanging ring 18, and one side of the partition 8 is connected to a hook 17, which can cooperate with the hanging ring 18.

[0032] The bottom of the fixed housing 1 is connected to a fixing seat 12 .

[0033] The utility model adds a water filter packaging cover, and the wastewater filter packaging cover will take out the filter module together after disassembly, so as to facilitate the replacement of the filter module. When the wastewater filter packaging cover is locked with the fixed shell 1 through the locker, the top pressure tube 20 of the wastewater filter packaging cover will cooperate with the first limit ring 2 to clamp the filter module with a certain pressure, thereby improving the sealing between the filter module and the tank body composed of the fixed shell 1, the top pressure tube 20, and the limit plate 19, so as to facilitate the wastewater to be fully filtered through the filter module and avoid excessive wastewater from passing through the gap.

[0034] Material selection and feasibility analysis for specific implementation: The samples we actually made use the drawings in the specification as drawings, and are implemented according to the proportions and matching methods of the various components in the drawings in the specification. The connection is a common connection method such as strong adhesive connection, welding, riveting, flange connection, and one-piece molding connection. In actual production, the corresponding connection method, thickness and strength of the connection point can be selected according to the actual connection strength requirements without creativity. The filter module can use the fine mesh grid plate or activated carbon adsorption net disclosed in patent publication number: CN210915593U. When the side top pressure pipe 20 of the first limiting ring 2 is used to clamp the filter module with a certain pressure, the through hole 9 can be connected with the outlet pipe 10, so that the wastewater can enter the fixed housing 1 through the water inlet pipe 7, be filtered through the filter plate 5, and be discharged through the outlet pipe 10. At the same time, the water inlet pipe 7 and the outlet pipe 10 are both installed on the fixed housing 1, so as to avoid disassembling the pipeline when disassembling the wastewater filtration packaging cover. The end of the water inlet pipe 7 is connected to the first flange 6, and the end of the outlet pipe 10 is connected to the second flange 11.

[0035] The outer side circumference of the pressing tube 20 of the present invention is fitted with the inner wall side circumference of the fixed housing 1 to improve the sealing performance between the pressing tube 20 and the fixed housing 1 .

[0036] The positioning ring 4 of the utility model can conveniently fix the filter plate 5.

[0037] After the bolts 16 of more than three locking devices of the utility model are tightened, the top pressure tube 20 and the first limiting ring 2 can cooperate with a certain pressure to clamp the silicone ring 3 and the filter plate 5, thereby improving the sealing between the first limiting ring 2 and the top pressure tube 20, and preventing excessive sewage from bypassing the filter plate 5 without being filtered by the filter plate 5.

[0038] The partition 8 of the utility model can reduce the space that wastewater can enter inside the top pressure pipe 20, thereby avoiding excessive filtered wastewater from being retained inside the top pressure pipe 20. The hook 17 of the utility model cooperates with the hanging ring 18 to facilitate taking out the filter plate 5 when taking out the top pressure pipe 20.

[0039] The fixing seat 12 of the utility model can conveniently fix the housing 1 .

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. Antimony- and arsenic-containing wastewater treatment device, characterized in that: The invention comprises a high-level pool (31), a low-level pool (32), a pressure tank (33), a spiral reaction tank (34), a sedimentation tank (35), a filter press (38), a doser (39), a solid waste field (40), two primary sedimentation tanks (36), and two secondary sedimentation tanks (37). The outlet of the high-level pool (31) is connected to the inlet of the low-level pool (32), the outlet of the low-level pool (32) is connected to the inlet of the pressure tank (33), the outlet of the pressure tank (33) is connected to the inlet of the reaction pool, and the outlet of the reaction pool is connected to the inlet of the sedimentation tank (35). The outlet of the sedimentation tank (35) is connected to the inlet of the first primary sedimentation tank (36), the outlet of the first primary sedimentation tank (36) is connected to the inlet of the first secondary sedimentation tank (37), the outlet of the first secondary sedimentation tank (37) is connected to the inlet of the second secondary sedimentation tank (37), the outlet of the second secondary sedimentation tank (37) is connected to the inlet of the second primary sedimentation tank (36), the outlet of the second primary sedimentation tank (36) is connected to the inlet of the filter press (38), and the outlet of the filter press (38) is connected to the inlet of the solid waste field (40).

2. The device for treating wastewater containing antimony and arsenic according to claim 1, characterized in that: The reaction pool comprises two groups of reaction devices, each group of reaction devices comprises three dosing devices (39) and two spiral reaction tanks (34), each spiral reaction tank (34) is located between the two dosing devices (39), the inlets and outlets of the three dosing devices (39) and the inlets and outlets of the two spiral reaction tanks (34) are connected through pipelines, the outlet of the pressure tank (33) is connected to the inlet of the first dosing device (39), the outlet of the first dosing device (39) is connected to the inlet of the first spiral reaction tank (34), the outlet of the first spiral reaction tank (34) is connected to the inlet of the second dosing device (39), the outlet of the second dosing device (39) is connected to the inlet of the second spiral reaction tank (34), the outlet of the second spiral reaction tank (34) is connected to the inlet of the third dosing device (39), and the outlet of the third dosing device (39) is connected to the inlet of the sedimentation tank (35).

3. The device for treating wastewater containing antimony and arsenic according to claim 1, characterized in that: The filter press (38) comprises a fixed shell (1), the fixed shell (1) is a tubular shell structure with one end sealed, a wastewater filter packaging cover on one side of the fixed shell (1), the wastewater filter packaging cover comprises a top pressure tube (20), the top pressure tube (20) is a tubular shell structure, one end of the top pressure tube (20) is connected to a limit plate (19), the limit plate (19) can close a port on one side of the top pressure tube (20), the top pressure tube (20) can be plugged into and matched with the fixed shell (1), the side periphery of the middle inner wall of the fixed shell (1) is connected to a first limit ring (2), the outer side periphery of the first limit ring (2) is connected to the side periphery of the inner wall of the fixed shell (1), one side of the first limit ring (2) is connected to a silicone ring (3), and the silicone ring (3 ) is provided with a filter module on one side, the silicone ring (3) and the top pressure pipe (20) can cooperate to clamp the filter module, the sealed end of the fixed shell (1) is connected to the water inlet pipe (7), a through hole (9) is provided on one side of the top pressure pipe (20), one side of the fixed shell (1) is connected to the water outlet pipe (10), one end of the water outlet pipe (10) can be connected to the through hole (9), a locker is installed between the fixed shell (1) and the limit plate (19), the inlet of the water inlet pipe (7) is connected to the second primary sedimentation tank (36), the outlet of the water outlet pipe (10) is connected to the solid waste field (40), and a pressure pump (51) is installed in the middle of the water inlet pipe (7), and the pressure pump (51) can drive the water inside the water inlet pipe (7) to flow into the inside of the fixed shell (1).

4. The device for treating wastewater containing antimony and arsenic according to claim 3, characterized in that: After the pressing tube (20) is plugged into and matched with the fixed housing (1), the outer side circumference of the pressing tube (20) fits with the inner wall side circumference of the fixed housing (1).

5. The device for treating wastewater containing antimony and arsenic according to claim 3, characterized in that: The filter module comprises a filter plate (5), a positioning ring (4) is arranged on the side periphery of the filter plate (5), and the silicone ring (3) and the top pressure tube (20) can cooperate to clamp the side periphery of the filter plate (5).

6. The device for treating wastewater containing antimony and arsenic according to claim 3, characterized in that: The locking device comprises more than three locking devices, the locking devices comprising a nut (13) and a limiting tube (14); the outer side of the nut (13) is connected to the fixed housing (1); the outer side of the limiting tube (14) is connected to the limiting plate (19); a bolt (16) is inserted into the limiting tube (14); the screw rod of the bolt (16) cooperates with the limiting tube (14); the end of the screw rod of the limiting tube (14) can be threadedly connected with the nut (13); a second limiting ring (15) is sleeved in the middle of the screw rod of the bolt (16); the second limiting ring (15) and the bolt (16) are welded after being inserted; the second limiting ring (15) cannot pass through the limiting tube (14); the limiting tube (14) is located between the nut (13) and the second limiting ring (15).

7. The device for treating wastewater containing antimony and arsenic according to claim 3, characterized in that: A partition (8) is installed in the middle of the top-pressure tube (20), the side periphery of the partition (8) is connected to the side periphery of the inner wall of the top-pressure tube (20), one side of the positioning ring (4) is connected to a hanging ring (18), one side of the partition (8) is connected to a hook (17), and the hook (17) can cooperate with the hanging ring (18).

8. The device for treating wastewater containing antimony and arsenic according to claim 3, characterized in that: The bottom of the fixed shell (1) is connected to a fixed seat (12).

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