Wastewater treatment device for sewage plant

Abstract

The utility model discloses a wastewater treatment device for a sewage plant, which belongs to the technical field of wastewater treatment and comprises a water tank, a filter screen is mounted in the water tank, the side surface of the filter screen is connected with a disassembly component, the side surface of the water tank is connected with a settling tank, and the top of the settling tank is provided with a stirring component. The press block is moved to be separated from the top block, the filter screen can be taken down for maintenance and cleaning by lifting the top block under the sliding connection between the mounting block and the mounting groove, the treatment effect of the wastewater treatment device for the sewage plant can be better, and the press block presses the top block under the pulling acting force of a spring on the surface of the side block, so that the filter screen can be firmly mounted; the stirring assembly is arranged, the motor drives the rotating shaft to drive the first bevel gear to rotate, under meshing transmission between the first bevel gear and the second bevel gear, the second bevel gear can drive the stirring rod to rotate in a limited mode, and the stirring rod rotates so that the mixing reaction effect of a flocculating agent and sewage can be better.

Description

Technical Field

[0001] The utility model belongs to the technical field of wastewater treatment, and in particular relates to a wastewater treatment device for a sewage plant. Background Art

[0002] As a water plant, water plants also produce wastewater in the process of producing water, mainly including sedimentation tank sludge water and filter tank backwash water as well as kitchen, bathroom, canteen and other residential wastewater. At present, water plants basically treat domestic wastewater in the plant area by directly discharging it into nearby rivers and municipal pipe networks. This treatment method not only pollutes the river, but also increases the treatment load of the sewage treatment plant. The livelihood project that provides drinking water bears the heavy responsibility of the safety of residents' drinking water.

[0003] Chinese patent application No. 202111572263.6 discloses a wastewater treatment device for a water plant, which includes a primary treatment mechanism and a secondary treatment mechanism; the primary treatment mechanism can remove impurities from sediments and floating objects, can remove a large amount of sludge in the wastewater of the water plant in a targeted manner, and can also remove large-mass sediment impurities and light-weight floating impurities in domestic water such as kitchens, bathrooms and canteens; the secondary treatment mechanism can remove suspended impurities in the tap water drained from the primary treatment mechanism, further purify the wastewater, and also disinfect the wastewater. At the end of the secondary treatment mechanism, the suspended impurities are separated from the clean tap water. The clean tap water is reused, and the water containing suspended impurities is circulated and drained to the primary treatment mechanism, so that the wastewater treatment forms a closed loop.

[0004] In the above-mentioned public patent, the filter is used to implement preliminary interception and filtration of sewage. The filter and the water tank are fixedly connected. The filter cannot be disassembled and cleaned after being blocked. After the flocculant is introduced into the sedimentation tank, it cannot be fully mixed with the sewage, and the reaction sedimentation effect is general. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a wastewater treatment device for a sewage plant, which has the characteristics of being easy to disassemble and clean and having good treatment effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wastewater treatment device for a sewage treatment plant, comprising a water tank, a movable water spraying mechanism is arranged on the top of the water tank, a filter is installed inside the water tank, a splitting assembly is connected to the side of the filter, a sedimentation tank is connected to the side of the water tank, a stirring assembly is installed on the top of the sedimentation tank, a material box is arranged on the side of the stirring assembly, and two drain pipes are connected to the side end of the sedimentation tank.

[0007] Preferably, the split component includes an auxiliary component, a mounting block, a mounting groove, a side block, a spring, a pressure block and a top block, wherein two mounting blocks are connected to the sides of the filter, the top of the mounting block is connected to the top block, the surface of the filter is provided with an auxiliary component, the inner wall of the water tank is provided with a mounting groove, the surface of the water tank is provided with a side block, a pressure block is embedded in the inside of the side block, a spring is connected between the pressure block and the side block, and the filter and the water tank are in a split structure.

[0008] Preferably, the mounting groove and the mounting block are both T-shaped structures, the side of the filter screen fits tightly against the surface of the water tank, and the bottom of the pressing block fits against the surface of the top block.

[0009] Preferably, the auxiliary component includes a connecting rod, a slide rail, a cleaning plate and a slide groove, wherein the surface of the filter is provided with a slide rail, the interior of the slide rail is provided with a slide groove, the interior of the slide groove is embedded with a cleaning plate, and the top of the cleaning plate is connected to the connecting rod.

[0010] Preferably, the stirring assembly includes a rotating shaft, a stirring rod, a motor, bevel gear one and bevel gear two, wherein the motor is installed on the top of the sedimentation box, the side of the motor is connected to the rotating shaft, the surface of the rotating shaft is sleeved with bevel gear one, the stirring rod is embedded in the interior of the sedimentation box, and the top of the stirring rod is connected to bevel gear two.

[0011] Preferably, a positioning block is sleeved on the surface of the stirring rod inside the sedimentation box, and the positioning block is in a circular ring structure, and the sides of the bevel gear 1 and the bevel gear 2 are tightly meshed.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a split component to separate the movable pressing block from the top block. Under the sliding connection between the mounting block and the mounting groove, the filter screen can be removed for maintenance and cleaning by lifting the top block, which can improve the treatment effect of the wastewater treatment device of the sewage treatment plant. Under the pulling force of the spring on the surface of the side block, the pressing block presses the top block to ensure that the filter screen is firmly installed.

[0014] 2. The utility model sets a stirring assembly, and the motor drives the rotating shaft to drive the bevel gear 1 to rotate. Under the meshing transmission between the bevel gear 1 and the bevel gear 2, the positioning block plays a limiting role, and the bevel gear 2 can drive the stirring rod to rotate within a limited position. The rotation of the stirring rod can make the mixing reaction effect of the flocculant and the sewage better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is the front view of the split components of the utility model;

[0017] Figure 3This is a front view of the auxiliary component of the utility model;

[0018] Figure 4 This is the front view of the stirring component of the present utility model.

[0019] In the figure: 1. water tank; 2. filter screen; 3. material box; 4. sedimentation box; 5. stirring assembly; 51. rotating shaft; 52. stirring rod; 53. motor; 54. bevel gear one; 55. positioning block; 56. bevel gear two; 6. drain pipe; 7. split assembly; 71. auxiliary assembly; 711. connecting rod; 712. slide rail; 713. cleaning plate; 714. slide groove; 72. mounting block; 73. mounting groove; 74. side block; 75. spring; 76. pressure block; 77. top block; 8. mobile water spraying mechanism. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a wastewater treatment device for a sewage treatment plant, comprising a water tank 1, a movable water spraying mechanism 8 is arranged on the top of the water tank 1, a filter screen 2 is installed inside the water tank 1, a splitting component 7 is connected to the side of the filter screen 2, a sedimentation tank 4 is connected to the side of the water tank 1, a stirring component 5 is installed on the top of the sedimentation tank 4, a material box 3 is arranged on the side of the stirring component 5, and two drainage pipes 6 are connected to the side ends of the sedimentation tank 4.

[0023] Specifically, the split component 7 includes an auxiliary component 71, a mounting block 72, a mounting groove 73, a side block 74, a spring 75, a pressure block 76 and a top block 77. Two mounting blocks 72 are connected to the sides of the filter 2, and the top of the mounting block 72 is connected to the top of the top block 77. The surface of the filter 2 is provided with the auxiliary component 71, the inner wall of the water tank 1 is provided with a mounting groove 73, the surface of the water tank 1 is provided with a side block 74, the inside of the side block 74 is embedded with a pressure block 76, and a spring 75 is connected between the pressure block 76 and the side block 74. The filter 2 and the water tank 1 are in a split structure.

[0024] By adopting the above technical solution, the movable pressing block 76 is separated from the top block 77. Under the sliding connection between the mounting block 72 and the mounting groove 73, the top block 77 can be lifted up to remove the filter 2 for maintenance and cleaning, which can improve the treatment effect of the wastewater treatment device of the sewage treatment plant. Under the pulling force of the spring 75 on the surface of the side block 74, the pressing block 76 presses the top block 77 to firmly install the filter 2.

[0025] Specifically, the mounting groove 73 and the mounting block 72 are both T-shaped structures, the side of the filter screen 2 is tightly fitted with the surface of the water tank 1, and the bottom of the pressing block 76 is fitted with the surface of the top block 77.

[0026] By adopting the above technical solution, the side of the filter screen 2 is tightly fitted with the surface of the water tank 1, which ensures the connection sealing of the filter screen 2 and can stably filter the sewage.

[0027] Specifically, the auxiliary component 71 includes a connecting rod 711, a slide rail 712, a cleaning plate 713 and a slide groove 714. The surface of the filter 2 is provided with a slide rail 712, the interior of the slide rail 712 is provided with a slide groove 714, the interior of the slide groove 714 is embedded with a cleaning plate 713, and the top of the cleaning plate 713 is connected to the connecting rod 711.

[0028] By adopting the above technical solution, under the sliding connection between the cleaning plate 713 and the internal slide groove 714 of the slide rail 712, pulling the connecting rod 711 can drive the cleaning plate 713 to move, and the cleaning plate 713 can clean the filter 2 to prevent the filter 2 from being blocked and affecting the water output, thereby making the device more effective.

[0029] When the present embodiment is used, the mobile water spray mechanism 8 discharges the sewage into the water tank 1, and the filter screen 2 performs preliminary filtration on the sewage. Under the sliding connection between the cleaning plate 713 and the inner slide groove 714 of the slide rail 712, the connecting rod 711 is pulled to drive the cleaning plate 713 to move, and the cleaning plate 713 can clean the filter screen 2 to prevent the filter screen 2 from being blocked and affecting the water output, so as to make the use effect of the device better. The mobile pressing block 76 is separated from the top block 77, and the upper Lifting the top block 77 can remove the filter screen 2 for maintenance and cleaning, which can improve the treatment effect of the sewage treatment device of this sewage plant. Under the pulling force of the spring 75 on the surface of the side block 74, the pressing block 76 presses the top block 77 to firmly install the filter screen 2. Then the sewage enters the sedimentation tank 4. Under the impact of the water flow, the water wheel rotates to make the bottom opening of the material box 3 open and close repeatedly. The flocculant in the material box 3 can precipitate impurities in the sewage. The upper clean sewage is directly discharged for use, and the lower sewage and sediment will return to the inside of the water tank 1.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the stirring assembly 5 includes a rotating shaft 51, a stirring rod 52, a motor 53, a bevel gear 1 54 and a bevel gear 2 56, the motor 53 is installed on the top of the sedimentation box 4, the side of the motor 53 is connected to the rotating shaft 51, the surface of the rotating shaft 51 is sleeved with a bevel gear 1 54, the inside of the sedimentation box 4 is embedded with a stirring rod 52, and the top of the stirring rod 52 is connected to the bevel gear 2 56.

[0032] Specifically, a positioning block 55 is sleeved on the surface of the stirring rod 52 inside the sedimentation box 4. The positioning block 55 is in a circular ring structure, and the sides of the bevel gear 1 54 and the bevel gear 2 56 are tightly meshed.

[0033] By adopting the above technical solution, the starting motor 53 drives the rotating shaft 51 to drive the bevel gear 1 54 to rotate. Under the meshing transmission between the bevel gear 1 54 and the bevel gear 2 56, the positioning block 55 plays a limiting role. The bevel gear 2 56 can drive the stirring rod 52 to rotate in a limited position. The rotation of the stirring rod 52 can make the mixing reaction effect of the flocculant and sewage better.

[0034] When this embodiment is used, the starting motor 53 drives the rotating shaft 51 to drive the bevel gear 1 54 to rotate. Under the meshing transmission between the bevel gear 1 54 and the bevel gear 2 56, the positioning block 55 plays a limiting role. The bevel gear 2 56 can drive the stirring rod 52 to rotate in a limited position. The rotation of the stirring rod 52 can make the mixing reaction effect of the flocculant and sewage better.

[0035] The motor 53 in the present invention is an existing disclosed technology, and the selected model is Z2D15W.

[0036] The structure and use principle of the water tank 1, filter screen 2, material box 3, sedimentation box 4, drain pipe 6 and mobile water spraying mechanism 8 in the utility model have been disclosed in Chinese patent application No. 202111572263.6, which discloses a wastewater treatment device of a water plant. Its working principle is that the mobile water spraying mechanism 8 discharges the sewage into the water tank 1, the filter screen 2 will perform preliminary filtration on the sewage, and then the sewage enters the sedimentation box 4. Under the impact of the water flow, the water wheel rotates to make the bottom opening of the material box 3 open and close repeatedly. The flocculant in the material box 3 can precipitate impurities in the sewage. The upper clean sewage is directly discharged for use, and the lower sewage and sediment will return to the inside of the water tank 1.

[0037] The working principle and use process of the utility model are as follows: when the utility model is used, the mobile water spray mechanism 8 discharges the sewage into the water tank 1, and the filter screen 2 performs preliminary filtration on the sewage. Under the sliding connection between the cleaning plate 713 and the inner slide groove 714 of the slide rail 712, the connecting rod 711 is pulled to drive the cleaning plate 713 to move, and the cleaning plate 713 can clean the filter screen 2 to prevent the filter screen 2 from being blocked and affecting the water output, so as to make the use effect of the device better, and the mobile pressing block 76 is separated from the top block 77. Under the sliding connection between the mounting block 72 and the mounting groove 73, the top block 77 can be lifted up to remove the filter screen 2 for maintenance and cleaning, so as to make the treatment effect of the sewage treatment plant wastewater treatment device better. The pulling force of the surface spring 75 causes the pressing block 76 to press the top block 77, so that the filter screen 2 can be firmly installed. Then the sewage enters the sedimentation tank 4. Under the impact of the water flow, the water wheel rotates to repeatedly open and close the bottom opening of the material box 3. The flocculant in the material box 3 can settle the impurities in the sewage. The starter motor 53 drives the rotating shaft 51 to drive the bevel gear 1 54 to rotate. Under the meshing transmission between the bevel gear 1 54 and the bevel gear 2 56, the positioning block 55 plays a limiting role. The bevel gear 2 56 can drive the stirring rod 52 to rotate in a limited position. The rotation of the stirring rod 52 can make the flocculant and sewage mixed and reacted better. The upper clean sewage is directly discharged for use, and the lower sewage and sediment will return to the inside of the water tank 1.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage treatment plant wastewater treatment device, comprising a water tank, characterized in that: A movable water spraying mechanism is arranged on the top of the water tank, a filter screen is installed inside the water tank, a splitting assembly is connected to the side of the filter screen, a sedimentation box is connected to the side of the water tank, a stirring assembly is installed on the top of the sedimentation box, a material box is arranged on the side of the stirring assembly, and two drain pipes are connected to the side end of the sedimentation box.

2. A sewage treatment plant wastewater treatment device according to claim 1, characterized in that: The split component includes an auxiliary component, a mounting block, a mounting groove, a side block, a spring, a pressure block and a top block, wherein two mounting blocks are connected to the side of the filter, the top of the mounting block is connected to the top of the mounting block, the surface of the filter is provided with an auxiliary component, the inner wall of the water tank is provided with a mounting groove, the surface of the water tank is provided with a side block, a pressure block is embedded in the inside of the side block, a spring is connected between the pressure block and the side block, and the filter and the water tank are in a split structure.

3. A sewage treatment plant wastewater treatment device according to claim 2, characterized in that: The mounting groove and the mounting block are both T-shaped structures, the side of the filter screen is tightly fitted with the surface of the water tank, and the bottom of the pressing block is fitted with the surface of the top block.

4. A sewage treatment plant wastewater treatment device according to claim 2, characterized in that: The auxiliary component includes a connecting rod, a slide rail, a cleaning plate and a slide groove, wherein the surface of the filter is provided with a slide rail, the interior of the slide rail is provided with a slide groove, the interior of the slide groove is embedded with a cleaning plate, and the top of the cleaning plate is connected to the connecting rod.

5. A sewage treatment plant wastewater treatment device according to claim 1, characterized in that: The stirring assembly includes a rotating shaft, a stirring rod, a motor, a bevel gear 1 and a bevel gear 2, wherein the motor is installed on the top of the sedimentation box, the side of the motor is connected to the rotating shaft, the surface of the rotating shaft is sleeved with bevel gear 1, the stirring rod is embedded in the sedimentation box, and the top of the stirring rod is connected to bevel gear 2.

6. A sewage treatment plant wastewater treatment device according to claim 5, characterized in that: A positioning block is sleeved on the surface of the stirring rod inside the sedimentation box. The positioning block is in a circular ring structure, and the sides of the bevel gear 1 and the bevel gear 2 are tightly meshed.

Images