Continuous biological activated carbon filtering equipment for removing microplastics in sewage

Abstract

The utility model discloses continuous biological activated carbon filtering equipment for removing microplastics in sewage, and relates to the technical field of microplastic removal and activated carbon. The continuous biological activated carbon filtering equipment comprises a filtering device, a lifting device is arranged at the upper end of the filtering device, the filtering device comprises a box body, and a water inlet and a water outlet are formed in the left end and the right end of the box body respectively. According to the continuous biological activated carbon filtering equipment for the micro-plastics in the sewage, the sewage is input through the water inlet, the water flow path is limited through the baffle, and the granular micro-plastics are adsorbed through the granular activated carbon I, the bentonite and the granular activated carbon II in sequence, so that the treatment capacity is improved; a sliding rod is pressed, the sliding rod drives a spring to be compressed, meanwhile, a sampling pipe is driven to extend into the water treated by the box body for sampling, and a clamping ring is taken down, so that the water in the water outlet is sucked by a water suction pump and flows back through a guide pipe for secondary adsorption, and therefore, the effects of saving space and use cost and improving sewage treatment capacity are achieved. The effect of facilitating sampling detection is achieved.

Description

Technical Field

[0001] The utility model discloses a continuous biological activated carbon filtering device for removing microplastics in sewage, and relates to the technical fields of microplastic removal and activated carbon. Background Art

[0002] In view of the problem of microplastic pollution, the development of efficient microplastic treatment technology has become an important issue in the field of environmental protection. During the sewage purification process, microplastics in it also need to be removed.

[0003] In actual operation, in order to remove microplastics, they are usually filtered through multiple layers, such as the utility model "A combinable filter cup that can be used for graded filtration and enrichment of microplastics" with application number: CN202222394127.9. This patent involves the field of microplastic grading, screening and detection. The structure of the combinable filter cup has a water inlet at the upper end of the cup body and a water outlet at the lower end of the cup body. The upper end has a filter core structure, and a concave platform on the sand core is mainly used to support the filter membrane; there is a suction filter nozzle on one side of the cup body; a single or multiple filter cups can be used in series with a common commercially available glass sand core filter device through a special clip and flange structure, thereby realizing the multi-stage screening function of microplastics.

[0004] However, in actual use, it is necessary to regularly sample and test the filtered water to determine the working condition of the filtering device, and the filter cup is not convenient for sampling and testing operations. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a continuous biological activated carbon filtration equipment for removing microplastics in sewage. By pressing the slide rod, the slide rod drives the spring to be compressed, and at the same time drives the sampling tube to extend into the water treated by the box for sampling. By removing the retaining ring, the effect of facilitating sampling and detection is achieved.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a continuous biological activated carbon filtration device for removing microplastics in sewage, comprising a filtration device, wherein a lifting device is provided at the upper end of the filtration device;

[0007] The filtering device comprises a box body, the left and right ends of the box body are respectively provided with a water inlet and a water outlet, a plurality of baffles are fixedly connected inside the box body, the box body is located between adjacent baffles and is provided with granular activated carbon 1, bentonite and granular activated carbon 2 in sequence from left to right, a water pump is fixedly connected inside the right end of the box body, and a conduit is fixedly connected to the output end of the water pump;

[0008] The lifting device comprises a bracket, the upper end of the bracket is rotatably connected to a knob, the lower end of the knob is provided with a pulley, both ends of the pulley are provided with screws, the outer surface of the screw is threadedly connected to a box body, and the middle part of the box body is provided with a filter.

[0009] Preferably, the baffles are set to an even number, and the conduit passes through the baffles and extends to the left end of the box body.

[0010] Preferably, a sleeve is fixedly connected to the right end of the box, a clamping ring is clamped at the other end of the sleeve, a sliding rod is slidably connected to the middle of the clamping ring, a sampling tube is fixedly connected to the lower end of the sliding rod, and a spring is sleeved on the outer surface of the sliding rod.

[0011] Preferably, a cover plate is hinged on the upper end of the sleeve, and a handle is fixedly connected to the upper end of the sliding rod.

[0012] Preferably, the bracket is fixedly connected to the box body, and two ends of the screw rod are rotatably connected to the bracket and the bottom of the box body respectively.

[0013] Preferably, the box bodies are provided in plurality, and granular activated carbon 1, bentonite and granular activated carbon 2 are placed in sequence inside the box bodies.

[0014] Preferably, the inner side of the bracket is slidably connected to a limit plate, and screw holes and through holes are formed at both ends of the limit plate.

[0015] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0016] First, input sewage through the water inlet, limit the water flow path through the baffle, and adsorb granular microplastics through granular activated carbon 1, bentonite and granular activated carbon 2 in turn to increase the processing capacity. The water at the water outlet is then pumped out by a water pump and returned through the conduit for secondary adsorption, thereby saving space and use costs and improving sewage treatment capacity. By pressing the slide bar, the slide bar drives the spring to be compressed, and at the same time drives the sampling tube to extend into the water treated in the box for sampling. By removing the retaining ring, the effect of facilitating sampling and testing is achieved.

[0017] Second, by turning the knob, the knob drives the screw to rotate through the pulley, the screw drives the box body to move up and down, and the box body drives the adsorption material to move up and down, thereby facilitating the replacement and adjustment of the adsorption material and improving the maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic cross-sectional view of the structural box of the utility model;

[0020] Figure 3 The utility model structure Figure 2 The enlarged schematic diagram of part B in the middle;

[0021] Figure 4 The utility model structure Figure 1 The enlarged schematic diagram of part A in the middle;

[0022] Figure 5 It is a three-dimensional schematic diagram of the screw connection structure of the utility model.

[0023] Wherein: 1. Filter device; 101. Box body; 102. Baffle; 103. Granular activated carbon 1; 104. Bentonite; 105. Granular activated carbon 2; 107. Water pump; 108. Conduit; 109. Sleeve; 110. Retaining ring; 111. Sliding rod; 112. Sampling tube; 113. Spring; 114. Cover; 2. Lifting device; 201. Bracket; 202. Knob; 203. Pulley; 204. Screw; 205. Box body; 206. Filter; 207. Limit plate. DETAILED DESCRIPTION

[0024] The specific implementation of the utility model will be further described in detail below with reference to the accompanying drawings.

[0025] See also Figure 1-5 , a continuous biological activated carbon filtration device for removing microplastics in sewage, comprising a filtration device 1, wherein a lifting device 2 is provided at the upper end of the filtration device 1;

[0026] The filter device 1 comprises a box body 101, and a water inlet and a water outlet are respectively arranged at the left and right ends of the box body 101, and a plurality of baffles 102 are fixedly connected inside the box body 101. Granular activated carbon 1 103, bentonite 104 and granular activated carbon 2 105 are arranged in sequence from left to right in the box body 101 between adjacent baffles 102. A water pump 107 is fixedly connected inside the right end of the box body 101, and a conduit 108 is fixedly connected to the output end of the water pump 107;

[0027] Through the above technical scheme, sewage is input through the water inlet, the water flow path is restricted by the baffle 102, and the granular microplastics are adsorbed by the granular activated carbon 103, bentonite 104 and granular activated carbon 2 105 in turn to deepen the processing capacity, and then the water at the water outlet is extracted by the water pump 107 and refluxed through the conduit 108 for secondary adsorption, thereby achieving the effect of saving space and use costs and improving the sewage treatment capacity.

[0028] The lifting device 2 includes a bracket 201, the upper end of the bracket 201 is rotatably connected to a knob 202, the lower end of the knob 202 is provided with a pulley 203, both ends of the pulley 203 are provided with screws 204, the outer surface of the screw 204 is threadedly connected to a box body 205, and the middle of the box body 205 is provided with a filter screen 206.

[0029] Through the above technical solution, by rotating the knob 202, the knob 202 drives the screw 204 to rotate through the pulley 203, the screw 204 drives the box body 205 to rise and fall, and the box body 205 drives the adsorption material to rise and fall, thereby facilitating the replacement and adjustment of the adsorption material and improving the maintenance efficiency.

[0030] Specifically, the baffles 102 are set to an even number, and the conduit 108 passes through the baffles 102 and extends to the left end of the box body 101 .

[0031] Through the above technical solution, by setting the baffle 102 to an even number, the water flow can flow along the set path, and the conduit 108 passes through the baffle 102 and extends to the left side of the box 101, so as to facilitate the secondary reflux treatment of the water flow at the water outlet and improve the treatment efficiency.

[0032] Specifically, the right end of the box body 101 is fixedly connected with a sleeve 109, the other end of the sleeve 109 is clamped with a clamping ring 110, the middle of the clamping ring 110 is slidably connected with a slide rod 111, the lower end of the slide rod 111 is fixedly connected with a sampling tube 112, and the outer surface of the slide rod 111 is sleeved with a spring 113.

[0033] Through the above technical solution, by pressing the slide bar 111, the slide bar 111 drives the spring 113 to be compressed, and at the same time drives the sampling tube 112 to extend into the water treated by the box 101 for sampling. By removing the retaining ring 110, the effect of facilitating sampling and testing is achieved.

[0034] Specifically, a cover plate 114 is hingedly connected to the upper end of the sleeve 109 , and a handle is fixedly connected to the upper end of the slide rod 111 .

[0035] Through the above technical solution, the cover plate 114 is provided to seal the sleeve 109 to prevent dust from entering, and a handle is provided to facilitate operations such as pressing and taking.

[0036] Specifically, the bracket 201 is fixedly connected to the box body 101 , and two ends of the screw rod 204 are rotatably connected to the bracket 201 and the bottom of the box body 101 , respectively.

[0037] Through the above technical solution, the bracket 201 is located above the box body 101 , and the bracket 201 plays a limiting role on the screw rod 204 .

[0038] Specifically, a plurality of box bodies 205 are provided, and granular activated carbon 1 103, bentonite 104 and granular activated carbon 2 105 are placed in the box bodies 205 in sequence.

[0039] Specifically, the inner side of the bracket 201 is slidably connected to the limiting plate 207 , and screw holes and through holes are formed at both ends of the limiting plate 207 .

[0040] Through the above technical solution, the limiting plate 207 is set to cover the box 101 to avoid affecting the sewage treatment. The limiting plate 207 is conveniently fixed to the box 101 through the screw hole, and the through hole is set to facilitate the screw 204 to pass through.

[0041] Working principle: Sewage is input through the water inlet, the water flow path is restricted by the baffle 102, and the granular microplastics are adsorbed by the granular activated carbon 103, bentonite 104 and granular activated carbon 2 105 in turn to improve the processing capacity, and then the water at the water outlet is extracted by the water pump 107 and returned through the conduit 108 for secondary adsorption, thereby achieving the effect of saving space and use costs and improving the sewage treatment capacity.

[0042] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous biological activated carbon filtration device for removing microplastics from sewage, comprising a filtration device (1), characterized in that: A lifting device (2) is provided at the upper end of the filtering device (1); The filtering device (1) comprises a box (101), wherein a water inlet and a water outlet are respectively arranged at the left and right ends of the box (101), a plurality of baffles (102) are fixedly connected inside the box (101), and granular activated carbon 1 (103), bentonite (104) and granular activated carbon 2 (105) are arranged in sequence from left to right in the box (101) between adjacent baffles (102), a water pump (107) is fixedly connected inside the right end of the box (101), and a conduit (108) is fixedly connected to the output end of the water pump (107); The lifting device (2) comprises a bracket (201), the upper end of the bracket (201) is rotatably connected to a knob (202), the lower end of the knob (202) is provided with a pulley (203), both ends of the pulley (203) are provided with a screw rod (204), the outer surface of the screw rod (204) is threadedly connected to a box body (205), and a filter screen (206) is provided in the middle of the box body (205).

2. A continuous biological activated carbon filtration device for removing microplastics in sewage according to claim 1, characterized in that: The baffles (102) are provided in even number, and the conduit (108) passes through the baffles (102) and extends to the left end of the box body (101).

3. The continuous biological activated carbon filtration device for removing microplastics in sewage according to claim 1, characterized in that: The right end of the box body (101) is fixedly connected to a sleeve (109), the other end of the sleeve (109) is clamped with a clamping ring (110), the middle part of the clamping ring (110) is slidably connected to a sliding rod (111), the lower end of the sliding rod (111) is fixedly connected to a sampling tube (112), and the outer surface of the sliding rod (111) is sleeved with a spring (113).

4. The continuous biological activated carbon filtration device for removing microplastics in sewage according to claim 3, characterized in that: The upper end of the sleeve (109) is hinged with a cover plate (114), and the upper end of the sliding rod (111) is fixedly connected with a handle.

5. The continuous biological activated carbon filtration device for removing microplastics in sewage according to claim 1, characterized in that: The support (201) is fixedly connected to the box body (101), and the two ends of the screw rod (204) are rotatably connected to the support (201) and the bottom of the box body (101) respectively.

6. The continuous biological activated carbon filtration device for removing microplastics in sewage according to claim 1, characterized in that: The box bodies (205) are provided in plurality, and granular activated carbon 1 (103), bentonite (104) and granular activated carbon 2 (105) are placed in sequence inside the box bodies (205).

7. The continuous biological activated carbon filtration device for removing microplastics in sewage according to claim 1, characterized in that: The inner side of the bracket (201) is slidably connected to a limiting plate (207), and screw holes and through holes are provided at both ends of the limiting plate (207).

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