Waste water fluidization pool of waste treatment plant

Abstract

The utility model relates to the technical field of garbage treatment, and discloses a waste treatment plant wastewater fluidization pool, which comprises a fluidization pool, a waste inlet pipe is arranged on one side of the top of the fluidization pool, and a pre-filtering device is arranged on the pool wall of the fluidization pool on one side of the waste inlet pipe; a filter is arranged at the top of the other side of the fluidization pool, a water inlet pipe and a water receiving pipe are arranged at the two ends of the filter respectively, the water inlet pipe is connected with a water pumping pipe, the water receiving pipe is connected with a first water suction pump, the first water suction pump is connected with a second water suction pump through a connecting pipe, and the second water suction pump is connected with a three-way connector through a water pipe; the two ends of the three-way connector are connected with a water drainage pipe and a water return pipe respectively. Large-particle impurities entering the fluidization pool are filtered out through the pre-filtering device, and water pumped by the water pump is subjected to impurity filtering through the filtering box in advance, so that the influence of the water pumped by the water pump on the water pump is reduced.

Description

Technical Field

[0001] This utility model relates to the field of waste treatment technology, and in particular to a fluidized bed for wastewater in a waste treatment plant. Background Technology

[0002] A waste treatment plant is a specific location that handles waste generated from industry, domestic production, medical care, and other purposes. Wastewater generated during waste treatment is typically treated in a fluidized bed, and the treated water that meets standards can be discharged to prevent environmental pollution. However, in existing fluidized bed treatment systems, sediments and impurities from the wastewater accumulate at the bottom of the bed, making cleaning difficult. Chinese Patent Publication No. CN217312104U discloses a wastewater fluidized bed for a waste treatment plant, comprising a bed body. The bed body features a first water pump fixed to its wall, connected to an extraction pipe. One end of the extraction pipe is connected to a second water pump, which is located on one side of the bed body. The second water pump is connected to a three-way connector via a water pipe. The two ports of the three-way connector are respectively connected to a drain pipe and a return pipe. One end of the return pipe is connected via a water pipe to several parallel outlet pipes located at the bottom of the bed body, each outlet pipe having several outlet holes. The purpose of this invention is to provide a fluidized bed for wastewater in a waste treatment plant, which uses circulating water to generate a water column, causing sediment and impurities to be dispersed and removed by the disturbance of the water column. However, this patent directly uses a first and a second water pump to draw wastewater to generate the water column through the circulating water flow. Sediment and impurities enter the first and second water pumps, which can easily damage the pumps and cause malfunctions. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a fluidized bed for wastewater treatment plants to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a fluidized bed for wastewater treatment plants, comprising a fluidized bed, an inlet pipe provided on one side of the top of the fluidized bed, and a pre-filtration device provided on the wall of the fluidized bed located on one side of the inlet pipe; a filter provided on the top of the other side of the fluidized bed, with an inlet pipe and a receiving pipe respectively provided at both ends of the filter, the inlet pipe connected to a pumping pipe, the receiving pipe connected to a pumping pump one, the pumping pump one connected to a pumping pump two via a connecting pipe, the pumping pump two connected to a three-way connector via a water pipe, and the two ends of the three-way connector connected to a drain pipe and a return pipe respectively.

[0005] Furthermore, the pre-filtration device includes a mounting plate fixed to the pool wall. The top of the mounting plate is provided with a slot. The slot is vertically connected with a plurality of spaced connecting grooves. An insert plate is inserted into the slot. The outer side of the insert plate is connected with a plurality of connecting rods that are adapted to and inserted into the connecting grooves. The outer end of the connecting rod is connected to a fixing frame. The fixing frame is connected to a primary screening filter screen.

[0006] Furthermore, handles are fixed to the two opposite outer walls of the fixed frame.

[0007] Furthermore, the filter includes a filter housing, inside which a first filter screen, a second filter screen, and a third filter screen are arranged in sequence.

[0008] Furthermore, the filter housing is provided with an installation groove at one end near the fluidizing tank, and a first filter screen is provided in the installation groove.

[0009] Furthermore, the first filter screen includes a mounting frame that is adapted to be inserted and connected to the mounting groove and fixed by bolts. The filter screen body is fixed inside the mounting frame, and the longitudinal cross-section of the filter screen body is a triangular structure.

[0010] Furthermore, the bottom of the filter box is provided with a drain hole, the filter screen is provided with an opening corresponding to the position of the drain hole, a cap is inserted into the opening, the cap is threadedly connected to the drain hole, a drain pipe is provided at the bottom of the filter box at the drain hole, and a drain solenoid valve is provided on the drain pipe.

[0011] Furthermore, the filter housing is provided with a fixing ring with an L-shaped longitudinal cross-section inside. A third filter screen is installed at the bottom of the fixing ring by bolts, and a second filter screen is installed at the top of the fixing ring by bolts.

[0012] Furthermore, a backflush pipe is provided on the same side of the filter housing and the water inlet pipe, and the backflush pipe is equipped with a backflush solenoid valve.

[0013] Beneficial effects

[0014] Compared to existing technologies, this invention has at least the following advantages: This invention uses a pre-filtration device to remove larger particles of impurities. Under the suction of pumps one and two, water first enters the filter and passes through the first, second, and third filter screens in sequence, filtering out large particles, smaller suspended particles, and fine particles, thereby reducing the impact of impurities on pumps one and two. The backwash pipe is connected to the water source, which can flush impurities in the reverse direction, discharging them through the drain pipe, thus cleaning the first, second, and third filter screens. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the pre-filtration device of this utility model.

[0017] Figure 3 This is a schematic diagram of the filter box of this utility model.

[0018] Figure 4 This is a schematic diagram of the structure of the first filter screen of this utility model.

[0019] The diagram is labeled as follows: 1-Fluidized bed; 2-Pump pipe; 20-Pump solenoid valve; 3-Filter; 30-Filter housing; 301-Water inlet pipe; 302-Backflush inlet pipe; 303-Fixing ring; 304-Drain hole; 305-Drain pipe; 306-Flange; 307-Mounting groove; 31-Base plate; 32-Support column; 33-First filter screen; 330-Mounting frame; 331-Filter screen body; 332-Opening; 34-Second filter screen; 35-Third filter screen; 36-Cover plate; 360-Inlet pipe. ; 4-Water pump one; 5-Connecting pipe; 50-Electric valve; 6-Water pump two; 7-T-connecting pipe; 8-Drain pipe; 80-Drain valve; 9-Return pipe; 90-Return valve; 10-Inlet / outlet pipe; 11-Pre-filtration device; 110-Mounting plate; 111-Fixing frame; 112-Primary screen filter; 113-Handle; 114-Connecting rod; 115-Insert plate; 12-Outlet pipe; 120-Outlet hole; 100-Pool wall; 1101-Slot; 1102-Connecting groove; 13-Cap. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, a detailed description is provided below in conjunction with the accompanying drawings and specific embodiments. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] See Figures 1-3 This embodiment provides a fluidized bed for wastewater treatment in a wastewater treatment plant, including a fluidized bed 1. An inlet pipe 10 is provided on one side of the top of the fluidized bed 1. A pre-filtration device 11 is provided on the wall 100 of the fluidized bed 1 located on one side of the inlet pipe 10. The pre-filtration device 11 includes a mounting plate 110 fixed to the wall 100. A slot 1101 is provided on the top of the mounting plate 110. Multiple spaced connecting slots 1102 are vertically connected to the slot 1101. An insert plate 115 is inserted into the slot 1101. Multiple connecting rods 114, adapted to be inserted into the connecting slots 1102, are spaced apart on the outer side of the insert plate 115. A fixing frame 111 is connected to the outer end of each connecting rod 114. A primary screen filter 112 is connected to the fixing frame 111. Handles 112 are fixed to the two opposite outer walls of the fixing frame 111. The pre-filtration device 11 is used to filter out larger particulate matter entering the fluidized bed 1.

[0024] A filter 3 is installed on the top of the other side of the fluidized bed 1. The filter 3 has an inlet pipe 360 ​​and a receiving pipe 301 at its two ends. The inlet pipe 360 ​​is connected to a pumping pipe 2, which is equipped with a pumping solenoid valve 20. The receiving pipe 301 is connected to a first pump 4, which is connected to a second pump 6 via a connecting pipe 5. The connecting pipe 5 is equipped with an electric valve 50. The second pump 6 is connected to a three-way connector 7 via a water pipe. The two ends of the three-way connector 7 are connected to a drain pipe 8 and a return pipe 9, respectively. The return pipe 9 is equipped with a reflux valve 90, and the drain pipe is equipped with a drain valve 80. The return pipe 9 is connected to an outlet pipe 12 located within the fluidized bed 1, which has multiple outlet holes 120.

[0025] The filter 3 includes a filter housing 30, inside which a first filter screen 33, a second filter screen 34, and a third filter screen 35 are arranged in sequence. The filter holes of the first filter screen 33, the second filter screen 34, and the third filter screen 35 are coarse filter holes, medium filter holes, and fine filter holes, respectively. It should be noted that in this embodiment, the first filter screen 33, the second filter screen 34, and the third filter screen 35 can effectively remove impurities while retaining microorganisms and beneficial substances to the greatest extent, so that the extracted microorganisms and beneficial substances can be returned to the fluidized tank through the return water pipe 9.

[0026] The filter housing 30 has a mounting groove 306 at one end near the fluidized bed 1, and a first filter screen 33 is disposed within the mounting groove 306. The first filter screen 33 includes a mounting frame 330 that is fitted into and connected to the mounting groove 306 and fixed with bolts. A filter screen body 331 is fixed inside the mounting frame 330. The longitudinal cross-section of the filter screen body is triangular to increase the filtration area. A drain hole 304 is provided at the bottom of the filter housing 30. The filter screen body 331 has an opening corresponding to the position of the drain hole 304. A cap 13 is inserted into the opening and threadedly connected to the drain hole 304. A drain pipe 305 is provided at the bottom of the filter housing 30, located at the drain hole 304. A drain solenoid valve is installed on the drain pipe 305. The cap 13 has a through hole 130 communicating with the first filter screen 33 and the drain pipe 305. The filter housing 30 has an L-shaped fixing ring 303 inside. A third filter screen 35 is bolted to the bottom of the fixing ring 303, and a second filter screen 34 is bolted to its top. A backflush pipe 302 is provided on the same side of the filter housing 30 and the water inlet pipe 301, and a backflush pipe solenoid valve is provided on the backflush pipe 302.

[0027] In practical implementation, this utility model uses the primary filter screen 112 of the pre-filtration device to filter out larger particles of impurities. Under the suction of water pump 3 and water pump 6, water first enters the filter 3 and passes through the first filter screen 33, the second filter screen 34, and the third filter screen 35 in sequence, filtering out large particles, smaller suspended particles, and fine particles in sequence. The backwash pipe 302 is connected to the water source, which can backwash the impurities of the first filter screen 33, the second filter screen 34, and the third filter screen 35, allowing them to pass through the through hole 130 of the cap 13 and be discharged through the drain pipe, thus cleaning the first, second, and third filter screens.

[0028] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A waste treatment plant wastewater fluidization basin, characterized in that, The utility model provides a waste liquid filtering device, including fluidization pool, the top side of fluidization pool is provided with the waste pipe, the pool wall of fluidization pool is provided with prefiltering device at the side of waste pipe, the other side top of fluidization pool is provided with filter, both ends of filter are provided with water inlet pipe and water receiving pipe respectively, water inlet pipe is connected with water suction pipe, water receiving pipe is connected with water pump no.

2. A wastewater fluidization tank for a waste treatment plant according to claim 1, characterized in that The prefiltering device includes a mounting plate fixed to the pool wall, the mounting plate is provided with a slot on the top, the slot is vertically connected with a plurality of spaced connection grooves, a plug-in plate is inserted into the slot, a plurality of connection rods are connected to the outer side of the plug-in plate, the connection rods are adapted to the connection grooves, the outer ends of the connection rods are connected with a fixed frame, and the fixed frame is connected with a primary screening filter screen.

3. A wastewater fluidization tank for a waste treatment plant according to claim 2, characterized in that The fixed frame is fixed with a handle on both opposite outer sides.

4. A wastewater fluidization tank for a waste treatment plant according to claim 1, characterized in that, The filter includes a filter box, and the filter box is sequentially provided with a first filter screen, a second filter screen and a third filter screen inside.

5. A waste treatment plant wastewater fluidisation tank according to claim 4, characterised in that, The filter box is provided with a mounting slot on one side end close to the fluidization pool, and the mounting slot is provided with a first filter screen.

6. A waste treatment plant wastewater fluidisation tank according to claim 5, characterised in that, The first filter screen includes a mounting frame that is adapted to the mounting slot and is fixed by bolts, the inner side of the mounting frame is fixed with a filter screen body, and the longitudinal section of the filter screen body is triangular.

7. A wastewater fluidization tank for a waste treatment plant according to claim 6, characterized in that The filter box is provided with a blowdown hole at the bottom, the filter screen body is provided with an opening corresponding to the position of the blowdown hole, a cap is inserted into the opening, the cap is threadedly connected with the blowdown hole, a blowdown pipe is provided at the bottom of the filter box at the blowdown hole, and a blowdown electromagnetic valve is provided on the blowdown pipe.

8. A wastewater fluidization tank for a waste treatment plant according to claim 4, characterized in that, The filter box is provided with a fixed ring with an L-shaped longitudinal section inside, the bottom of the fixed ring is provided with a third filter screen by bolts, and the top end of the fixed ring is provided with a second filter screen by bolts.

9. A wastewater fluidization tank for a waste treatment plant according to claim 4, characterized in that, The filter box is provided with a backflush pipe on the same side as the water receiving pipe, and the backflush pipe is provided with a backflush electromagnetic valve.

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