Solid-liquid separation device for domestic sewage treatment

Abstract

The utility model discloses a domestic sewage treatment solid-liquid separation device, and particularly relates to the technical field of sewage treatment, the domestic sewage treatment solid-liquid separation device comprises a separator body, a plurality of partition plates are fixed at the front end and the rear end of an inner cavity of the separator body together, and rollers are rotationally connected to the left side and the right side of the upper part of the left end and the upper part of the right end of the separator body together; a filter plate is fixed to the lower portion of the inner surface of the separator body, and the upper end of the filter plate is slidably connected with a cleaning mechanism. According to the solid-liquid separation device for domestic sewage treatment, moisture in solids is extruded out through the extrusion plates on the rollers, so that solid-liquid separation is more thorough, primary solid-liquid separation is carried out through the partition plate fixed in the inner cavity of the separator body, the solids with larger volumes are prevented from blocking the filter plate for secondary separation, and the solid-liquid separation efficiency is improved. Secondary separation is carried out through the filter plate fixed in the separator body, and the second motor drives the scraper to slide at the upper end of the filter plate to clean solids on the filter plate, so that the solids are prevented from being accumulated to block the filter plate.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a solid-liquid separation device for domestic sewage treatment. Background Art

[0002] At present, with the advent of the 21st century, people's living standards are constantly improving, and their awareness of environmental protection is also increasing. Therefore, people have produced a lot of environmental protection and environmental improvement devices, among which the solid-liquid separation device for domestic sewage treatment is one of them;

[0003] At present, the solid-liquid separation devices for domestic sewage treatment are divided into large-scale solid-liquid separation devices for domestic sewage treatment and small and medium-sized solid-liquid separation devices for domestic sewage treatment. The current solid-liquid separation devices for domestic sewage treatment can only separate the solid and the liquid. The separated solids cannot be further processed, and an additional machine needs to be prepared to process the solids, which is very inconvenient. Moreover, when separating the solid and the liquid, the moisture inside the solid cannot be squeezed out. Moreover, if the solid-liquid separation device is used for a long time, the filter screen will be blocked. Therefore, we propose a solid-liquid separation device for domestic sewage treatment.

[0004] Chinese patent document CN210057523U discloses a solid-liquid separation device for domestic sewage treatment, including a shell, support plates are fixedly connected to the left and right sides of the bottom of the shell, the bottoms of the two support plates are fixedly connected by a cross plate, the surfaces of the support plates are slidably connected to a slider, the two sliders are fixedly connected by a stabilizing plate, and the side of the slider away from the stabilizing plate is fixedly connected to a connecting plate. The utility model achieves the effect of facilitating the cleaning of the filter screen through the mutual cooperation of the slider, stabilizing plate, connecting plate, plug rod, push block, slot, support block, fixed plate, fixed rod, stabilizing rod, stabilizing block and limit block, solves the problem that the filter screen is not easy to clean in the common solid-liquid separation device for domestic sewage treatment, avoids the phenomenon of filter screen clogging when the solid-liquid separation device is used for a long time, improves the service life of the equipment, avoids affecting the efficiency during filtration, improves the quality of solid-liquid separation, and brings great convenience to the user. Although the above utility model solves the problem that the filter screen is not easy to clean in the common solid-liquid separation device for domestic sewage treatment, it still has the following disadvantages in actual application:

[0005] When the above utility model is used to separate solid and liquid, it is not possible to squeeze out the water inside the solid, and further processing of the solid is required. Utility Model Content

[0006] The main purpose of the utility model is to provide a solid-liquid separation device for domestic sewage treatment, which can effectively solve the problem of being unable to squeeze out water inside the solid state.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A solid-liquid separation device for domestic sewage treatment, comprising a separator body, wherein the middle part of the upper end of the separator body is fixedly connected with a water inlet communicating with the inner cavity of the separator body, the middle part of the front end of the separator body is provided with a separation port 1 communicating with the inner cavity of the separator body, the lower end of the inner surface of the separation port 1 is fixedly connected with a separation plate, the front end and the rear end of the inner cavity of the separator body are jointly fixedly connected with a plurality of partitions, the rear end fixed position of the partition is higher than the front end fixed position, the middle part of the front end of the separator body is fixedly connected with a transport plate 1, the left and right sides of the upper left end and the upper right end of the separator body are jointly rotatably connected with rollers, the left ends of the two rollers are rotatably connected with a motor 1, the right ends of the two motors 1 are respectively fixedly connected with the front left end and the right left end of the separator body, the lower part of the inner surface of the separator body is fixedly connected with a filter plate, the upper end of the filter plate is slidably connected with a cleaning mechanism, the lower part of the front end of the separator body is provided with a separation port 2 communicating with the inner cavity of the separator body, and the lower part of the front end of the separator body is fixedly connected with a transport plate 2.

[0009] Preferably, a plurality of extrusion plates are evenly and fixedly connected to the outer surfaces of the two rollers.

[0010] Preferably, the upper end of the filter plate is provided with a plurality of circular holes communicating with the lower end of the filter plate.

[0011] Preferably, the cleaning mechanism includes a fixed plate, and the ends of the two fixed plates close to each other are respectively fixedly connected to the lower left end and the lower right end of the separator body, the front end and the rear end of the inner surface of the left end fixed plate are rotatably connected with a threaded rod, the outer surface of the threaded rod is slidably connected with a conveying block, the rear end of the outer surface of the threaded rod is fixedly connected with a turbine, the outer teeth of the turbine are meshed with a worm, the left end of the outer surface of the worm is rotatably connected to a limiting block, the left end of the worm is fixedly connected to motor 2, and the front end of motor 2 is fixedly connected to the left side of the lower rear end of the separator body.

[0012] Preferably, the front and rear ends of the inner surface of the right end fixed plate are fixedly connected with a sliding rod, the outer surface of the sliding rod is slidably connected with a sliding block, and the left end of the sliding block and the right end of the conveying block are fixedly connected with a connecting rod.

[0013] Preferably, a scraper is fixedly connected to the lower end of the connecting rod, and the lower end of the scraper is slidably connected to the upper end of the filter plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model drives the roller to rotate through a motor, and the extrusion plate on the roller squeezes out the water inside the solid, so that the solid-liquid separation is more thorough.

[0016] 2. The utility model has a plurality of partitions fixedly connected to the front end and the rear end of the inner cavity of the separator body, so that larger solids can be separated from liquid for the first time to prevent larger solids from clogging the filter plate for secondary separation. A filter plate is fixedly connected to the lower part of the inner surface of the separator body to separate the solids for the second time. The scraper is driven by motor 2 to slide on the upper end of the filter plate to regularly clean the solids on the filter plate to prevent solids from accumulating and clogging the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the separation mechanism structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the coarse filtration structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the fine filtration structure of the utility model.

[0022] In the figure: 1. separator body; 2. water inlet; 3. separation port 1; 4. partition; 5. transport plate 1; 6. roller; 7. motor 1; 8. cleaning mechanism; 9. transport plate 2; 10. filter plate; 11. separation port 2; 31. separation plate; 61. extrusion plate; 101. round hole; 81. fixing plate; 82. sliding rod; 83. threaded rod; 84. conveying block; 85. turbine; 86. worm; 87. limit block; 88. motor 2; 89. connecting rod; 821. slider; 891. scraper. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1-Figure 5 As shown, a solid-liquid separation device for domestic sewage treatment comprises a separator body 1, a water inlet 2 communicating with the inner cavity of the separator body 1 is fixedly connected to the middle of the upper end of the separator body 1, a separation port 3 communicating with the inner cavity of the separator body 1 is opened in the middle of the front end of the separator body 1, a separation plate 31 is fixedly connected to the lower end of the inner surface of the separation port 3, a plurality of partitions 4 are fixedly connected to the front end and the rear end of the inner cavity of the separator body 1, the rear end fixed position of the partition 4 is higher than the front end fixed position, and a transport plate 5 is fixedly connected to the middle of the front end of the separator body 1;

[0025] The left and right sides of the upper left and right ends of the separator body 1 are rotatably connected to rollers 6, the left ends of the two rollers 6 are rotatably connected to motors 7, and the right ends of the two motors 7 are respectively fixedly connected to the front left end and the right left end of the separator body 1, a filter plate 10 is fixedly connected to the lower part of the inner surface of the separator body 1, and a cleaning mechanism 8 is slidably connected to the upper end of the filter plate 10. A separation port 11 communicating with the inner cavity of the separator body 1 is opened at the lower front end of the separator body 1, and a transport plate 9 is fixedly connected to the lower front end of the separator body 1.

[0026] To summarize, a water inlet 2 communicating with the inner cavity of the separator body 1 is fixedly connected to the middle of the upper end of the separator body 1, and sewage enters from the water inlet 2. A number of partitions 4 are fixedly connected to the front end and the rear end of the inner cavity of the separator body 1 to filter out larger solids. A separation plate 31 is fixedly connected to the lower end of the inner surface of the separation port 3 to prevent sewage from leaking from the separation port 3 and larger solids from sliding out of the separation port 3. A transport plate 5 is fixedly connected to the middle of the front end of the separator body 1 to prevent objects from sliding along the surface of the separator body 1. Rollers 6 are rotatably connected to the left and right sides of the upper left and right ends of the separator body 1 to squeeze out liquid from the solid. A filter plate 10 is fixedly connected to the lower inner surface of the separator body 1 to perform solid-liquid separation.

[0027] Among them, a number of extrusion plates 61 are evenly fixedly connected to the outer surfaces of the two rollers 6, which makes it easier to extrude solids with smooth surfaces. A number of circular holes 101 connected to the lower end of the filter plate 10 are opened at the upper end of the filter plate 10. The liquid enters the collection box through the circular holes 101.

[0028] To prevent the accumulation of solids from clogging the filter plates, Figure 5 As shown, the cleaning mechanism 8 includes a fixed plate 81, which fixes the parts in the cleaning mechanism 8. The ends of the two fixed plates 81 close to each other are fixedly connected to the lower left end and the lower right end of the separator body 1 respectively. The front end and the rear end of the inner surface of the left end fixed plate 81 are rotatably connected with a threaded rod 83 to transport a conveying block 84. The outer surface of the threaded rod 83 is slidably connected with the conveying block 84. The rear end of the outer surface of the threaded rod 83 is fixedly connected with a turbine 85. The outer teeth of the turbine 85 are meshed with a worm 86. The left end of the outer surface of the worm 86 is rotatably connected to a limiting block 87 to limit the rotation position of the worm 86. The left end of the worm 86 is fixedly connected to a motor 2 88. The front end of the motor 2 88 is fixedly connected to the left side of the lower rear end of the separator body 1.

[0029] The front and rear ends of the inner surface of the right end fixed plate 81 are fixedly connected with a sliding rod 82, and the outer surface of the sliding rod 82 is slidably connected with a sliding block 821. The left end of the sliding block 821 and the right end of the conveying block 84 are fixedly connected with a connecting rod 89, which slides with the conveying block 84. The lower end of the connecting rod 89 is fixedly connected with a scraper 891 to clean the surface of the filter plate 10. The lower end of the scraper 891 is slidably connected to the upper end of the filter plate 10.

[0030] The working principle of the utility model is as follows: during operation, sewage enters the separator body 1 from the water inlet 2, and firstly, the solids in the sewage are squeezed by the roller 6 to squeeze out the water inside the solids, and the squeezing plate 61 better fixes the solids with smooth surfaces, and then the larger solids are separated through the partition 4, and the larger solids slide out through the separation port 3, wherein the separation plate 31 prevents the liquid from flowing out, and then the sewage is separated for the second time through the filter plate 10, and finally, the motor 2 88 in the cleaning mechanism 8 drives the scraper 891 to regularly clean the surface of the filter plate 10 to prevent the solids from accumulating and clogging the filter plate 10.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A solid-liquid separation device for treating domestic sewage, comprising a separator body (1), characterized in that: The separator body (1) is fixedly connected to a water inlet (2) in communication with the inner cavity of the separator body (1) at the middle of the upper end thereof; a separation port (3) in communication with the inner cavity of the separator body (1) is provided at the middle of the front end thereof; a separation plate (31) is fixedly connected to the lower end of the inner surface of the separation port (3); a plurality of partitions (4) are fixedly connected to the front end and the rear end of the inner cavity of the separator body (1); the rear end of the partitions (4) is fixedly located higher than the front end; a transport plate (5) is fixedly connected to the middle of the front end of the separator body (1); and the upper left end and the rear end of the separator body (1) are fixedly connected to the transport plate (5). The left and right sides of the upper right end are both rotatably connected to rollers (6), the left ends of the two rollers (6) are both rotatably connected to motors (7), the right ends of the two motors (7) are respectively fixedly connected to the front left end and the right left end of the separator body (1), the lower inner surface of the separator body (1) is fixedly connected to a filter plate (10), the upper end of the filter plate (10) is slidably connected to a cleaning mechanism (8), the lower front end of the separator body (1) is provided with a separation port (11) communicating with the inner cavity of the separator body (1), and the lower front end of the separator body (1) is fixedly connected to a transport plate (9).

2. A solid-liquid separation device for domestic sewage treatment according to claim 1, characterized in that: A plurality of extrusion plates (61) are evenly and fixedly connected to the outer surfaces of the two rollers (6).

3. A solid-liquid separation device for domestic sewage treatment according to claim 1, characterized in that: The upper end of the filter plate (10) is provided with a plurality of circular holes (101) which are in communication with the lower end of the filter plate (10).

4. A solid-liquid separation device for domestic sewage treatment according to claim 1, characterized in that: The cleaning mechanism (8) comprises a fixing plate (81), the ends of the two fixing plates (81) close to each other are respectively fixedly connected to the lower left end and the lower right end of the separator body (1), the front end and the rear end of the inner surface of the left fixing plate (81) are rotatably connected to a threaded rod (83), the outer surface of the threaded rod (83) is slidably connected to a transmission block (84), the rear end of the outer surface of the threaded rod (83) is fixedly connected to a turbine (85), the outer teeth of the turbine (85) are meshed with a worm (86), the left end of the outer surface of the worm (86) is rotatably connected to a limiting block (87), the left end of the worm (86) is fixedly connected to a second motor (88), and the front end of the second motor (88) is fixedly connected to the left side of the lower rear end of the separator body (1).

5. A solid-liquid separation device for domestic sewage treatment according to claim 4, characterized in that: The front and rear ends of the inner surface of the right end fixing plate (81) are fixedly connected to a sliding rod (82), the outer surface of the sliding rod (82) is slidably connected to a sliding block (821), and the left end of the sliding block (821) and the right end of the conveying block (84) are fixedly connected to a connecting rod (89).

6. A solid-liquid separation device for domestic sewage treatment according to claim 5, characterized in that: The lower end of the connecting rod (89) is fixedly connected to a scraper (891), and the lower end of the scraper (891) is slidably connected to the upper end of the filter plate (10).

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