CN216149213U

CN216149213U - High-efficient recoil filter

Info

Publication number: CN216149213U
Application number: CN202122247410.4U
Authority: CN
Inventors: 方文龙; 刘保林
Original assignee: Guangdong Chenglu Environmental Protection Technology Co ltd
Current assignee: Guangdong Chenglu Environmental Protection Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-01
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a high-efficiency backflushing filter, wherein waste water containing more floaters enters a water injection cavity through a water injection port, the floaters in the waste water are settled on a filter plate, and the waste water enters a water storage cavity through a water cap after being filtered by quartz sand, enters a drain pipe from the water storage cavity and then is discharged into a reservoir through a water storage pipe. When there is too much float in the water injection cavity. Close water injection valve and retaining valve, open blowdown valve and the valve that draws water, the water suction pump passes through drinking-water pipe and drain pipe with the water suction in the pond retaining chamber, and the water in the retaining chamber passes through filter mechanism enters into in the water injection chamber. The water level in the water injection cavity rises and drives the floater to rise, and the floater can be discharged out of the filter vat through the drain outlet when rising to the height of the drain outlet. The lead screw motor drives the pushing cylinder to move back and forth through the driving moving block, and the lead screw motor and the pushing cylinder are matched to drive the scraper plate to scrape the floating objects on the filter plate from the filter barrel through the sewage draining outlet.

Description

High-efficient recoil filter

Technical Field

The utility model relates to the field of wastewater treatment, in particular to a high-efficiency backflushing filter.

Background

The wastewater treatment is to treat the wastewater by physical, chemical and biological methods, so that the wastewater is purified, the pollution is reduced, the wastewater is recycled and reused, and water resources are fully utilized. The wastewater comprises industrial wastewater and domestic wastewater, the domestic wastewater refers to wastewater discharged by people in daily life activities, the wastewater is mainly polluted by domestic waste and human excrement, and the quantity, components and concentration of pollutants are related to the living habits and water consumption of people. Domestic sewage generally does not contain toxic substances, but it has conditions suitable for the propagation of microorganisms, contains a large amount of bacteria and pathogens, and has a certain hazard from a hygienic viewpoint. As the urban population is continuously increased, the problem of urban domestic wastewater treatment is increasingly highlighted. The main source of zinc in the industrial waste water comprises electroplating waste water and heavy metal waste water, and the electroplating and metal processing industry waste water is electroplating or acid-washing dragging liquid. The contaminants are transferred back to the rinse water through the metal rinse process. The waste water contains a large amount of hydrochloric acid, heavy metal ions such as zinc, copper and the like, organic brightening agents and the like, has high toxicity, contains carcinogenic, teratogenic and mutagenic highly toxic substances in some cases, and is extremely harmful to human beings. The heavy metal wastewater is mainly from wastewater discharged by enterprises such as mines, smelting, electrolysis, electroplating, pesticides, medicines, paints, pigments and the like. If the heavy metal wastewater is not treated, the environment is seriously polluted. Because heavy metals cannot be decomposed and destroyed, only the existing positions of the heavy metals can be transferred and the physical and chemical forms of the heavy metals can be transformed, and the aim of removing the heavy metals is fulfilled.

However, for the treatment of wastewater containing more floating materials, after the conventional filtering equipment is treated, the conventional filtering equipment needs to be frequently and precisely flushed, but a large amount of water resources are wasted when the filtering equipment is frequently and precisely flushed.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a high-efficiency backflushing filter for the technical problem that frequent and precise flushing of the filtering equipment often wastes a large amount of water resources.

A high efficiency backflush filter, the high efficiency backflush filter comprising: the device comprises a filter barrel, a filter mechanism, a back washing mechanism and a scraping mechanism;

the filter barrel is of a hollow cuboid structure, and the filter mechanism is arranged in the filter barrel and divides the interior of the filter barrel into a water storage cavity and a water injection cavity; a water injection port is formed in the part, close to the top, of the side wall of the filter barrel and is communicated with the water injection cavity, and a water injection valve is arranged at the position, close to the water injection port, of the side wall of the filter barrel; a sewage discharge outlet is formed in the part, close to the filtering mechanism, of the side wall of the filtering barrel, and a sewage discharge valve is arranged at the sewage discharge outlet of the filtering barrel; the filter barrel is also provided with a drain pipe, the input end of the drain pipe is communicated with the bottom of the water storage cavity, and the output end of the drain pipe is higher than the sewage outlet; the input end of the drain pipe is provided with a drain valve;

the filtering mechanism comprises a filtering plate, a bearing plate, quartz sand and a plurality of water caps; the bearing plate is matched with the filter barrel, and the bearing plate is connected with the inner wall of the filter barrel; the quartz sand is received on the receiving plate, and the water caps are arranged on the receiving plate and buried in the quartz sand; the output end of each water cap is communicated with the water storage cavity; the filter plate is covered on the quartz sand and is connected with the filter barrel;

the backwashing mechanism comprises a reservoir, a water pump, a water pumping pipe and a water storage pipe; the input end of the water storage pipe is communicated with the output end of the water drainage pipe, and a water storage valve is arranged on the water storage pipe; the output end of the water storage pipe is communicated with the reservoir; the water suction pump is accommodated in the reservoir and is communicated with the drain pipe through the water suction pipe; a water pumping valve is arranged on the water pumping pipe;

the scraping mechanism comprises a screw motor, a moving block, a pushing cylinder and a scraper plate; the lead screw motor is arranged at the top of the filter barrel and is in driving connection with the moving block, the moving block is provided with a containing cavity, the pushing cylinder is contained in the containing cavity and is connected with the moving block, the pushing cylinder is in driving connection with the scraper plate, and the pushing cylinder drives the scraper plate to be close to or far away from the filter plate to move.

In one embodiment, the water injection valve is an electrically operated valve.

In one embodiment, the waste valve is an electrically actuated valve.

In one embodiment, the drain valve is an electrically actuated valve.

In one embodiment, the water storage valve is an electrically operated valve.

In one embodiment, the pumping valve is an electrically operated valve.

In one embodiment, the water caps are uniformly arranged on the bearing plate.

In one embodiment, the filtering mechanism further comprises a filtering net bag, the quartz sand is contained in the filtering net bag, and the filtering net bag is arranged between the filtering plate and the bearing plate.

In one embodiment, the reservoir pipe and the drain pipe are integrally formed.

In one embodiment, the suction pipe and the drain pipe are integrally formed.

Above-mentioned high-efficient recoil filter opens water injection valve, drainage valve and retaining valve at the course of the work, and the more waste water that contains the floater enters into the water injection chamber through the water filling port, and the floater in the waste water subsides on the filter, and waste water enters into the retaining chamber through the water cap after the filtration of quartz sand to enter into the drain pipe by the retaining chamber after through the retaining pipe arrange into the cistern. When the floating material in the water injection cavity is too much as the filtering work is continued. Close water injection valve and retaining valve, open blowdown valve and the valve that draws water, the water suction pump passes through drinking-water pipe and drain pipe with the water suction in the pond retaining chamber, and the water in the retaining chamber passes through filter mechanism enters into in the water injection chamber. The water level in the water injection cavity rises and drives the floater to rise, and the floater can be discharged out of the filter vat through the drain outlet when rising to the height of the drain outlet. On the other hand, the screw motor drives the pushing cylinder to move back and forth by driving the moving block, and the pushing cylinder drives the scraper to move up and down. The lead screw motor drives the scraper blade with the cooperation of pushing cylinder and strikes off the floater on the filter from the filter vat through the drain. The inflatable back-flushing filter can back-flush the filter barrel, saves water resources and reduces the filtering cost.

Drawings

FIG. 1 is a schematic diagram of a high efficiency backflushing filter in one embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring also to fig. 1, the present invention provides a high efficiency backflush filter 10, the high efficiency backflush filter 10 comprising: filter basket 100, filter mechanism 200, backwash mechanism 300, and scraping mechanism 400.

The filter tub 100 has a hollow rectangular parallelepiped structure, and the filter mechanism 200 is disposed in the filter tub 100 and partitions the interior of the filter tub 100 into the water storage chamber 101 and the water injection chamber 102. The lateral wall of the filter vat 100 is provided with a water injection port 103 near the top, the water injection port 103 is communicated with the water injection cavity 102, the filter vat 100 is provided with a water injection valve 110 at the water injection port 103, in this embodiment, the water injection valve 110 is an electric valve. A sewage draining outlet 104 is formed in a portion of the side wall of the filtering barrel 100, which is close to the filtering mechanism 200, and a sewage draining valve 120 is disposed at the sewage draining outlet 104 of the filtering barrel 100, in this embodiment, the sewage draining valve 120 is an electric valve. The filter vat 100 is further provided with a drain pipe 130, an input end of the drain pipe 130 is communicated with the bottom of the water storage cavity 101, and an output end of the drain pipe 130 is higher than the sewage discharge port 104. The input end of the drain pipe 130 is provided with a drain valve 131. In this embodiment, the drain valve 131 is an electrically operated valve.

The filter mechanism 200 includes a filter plate 210, a receiving plate 220, quartz sand 230, and water caps 240. The bearing plate 220 is matched with the filter vat 100, and the bearing plate 220 is connected with the inner wall of the filter vat 100. The quartz sand 230 is received on the receiving plate 220, and each water cap 240 is disposed on the receiving plate 220 and buried in the quartz sand 230. The output end of each water cap 240 is communicated with the water storage cavity 101. The filter plate 210 is covered on the quartz sand 230 and connected to the filter basket 100. In the present embodiment, the water caps 240 are uniformly disposed on the receiving plate 220. The filter plate 210 has a shaping effect on the quartz sand 230, so that the quartz sand 230 is flatly positioned on the receiving plate 220, thereby preventing the wastewater from directly impacting the quartz sand 230 when entering the filter vat 100, and preventing the quartz sand 230 from being washed and scattered. In one embodiment, the filter mechanism 200 further comprises a filter bag (not shown) in which the quartz sand 230 is received, the filter bag being disposed between the filter plate 210 and the receiving plate 220. The filter net bag plays a further qualitative role in the quartz sand 230, and the quartz sand 230 is always contained in the filter net bag. In this manner, the operational stability of the filter mechanism 200 is increased.

The backwashing mechanism 300 includes a reservoir 310, a suction pump 320, a suction pipe 330, and a reservoir pipe 340. The input end of the water storage pipe 340 is communicated with the output end of the water discharge pipe 130, and the water storage pipe 340 is provided with a water storage valve 341, in this embodiment, the water storage valve 341 is an electric valve. The output end of the water storage pipe 340 is communicated with the water storage tank 310. The suction pump 320 is received in the water reservoir 310, and the suction pump 320 is communicated with the drain pipe 130 through a suction pipe 330. The pumping pipe 330 is provided with a pumping valve 331, and in one embodiment, the pumping valve 331 is an electrically operated valve. In the present embodiment, the water storage pipe 340 is integrally formed with the water discharge pipe 130. Further, the pumping pipe 330 is integrally formed with the draining pipe 130.

The scraping mechanism 400 includes a lead screw motor 410, a moving block 420, a pushing cylinder 430, and a scraper 440. The lead screw motor 410 is arranged at the top of the filter barrel 100, the lead screw motor 410 is in driving connection with the moving block 420, the moving block 420 is provided with a containing cavity 401, the pushing cylinder 430 is contained in the containing cavity 401 and connected with the moving block 420, the pushing cylinder 430 is in driving connection with the scraper 440, and the pushing cylinder 430 drives the scraper 440 to move close to or far away from the filter plate 210.

In the working process of the high-efficiency backflushing filter 10, the water injection valve 110, the water discharge valve 131 and the water storage valve 341 are opened, the wastewater containing more floaters enters the water injection cavity 102 through the water injection port 103, the floaters in the wastewater settle on the filter plate 210, the wastewater enters the water storage cavity 101 through the water cap 240 after being filtered by the quartz sand 230, and the wastewater enters the water discharge pipe 130 from the water storage cavity 101 and then is discharged into the water storage tank 310 through the water storage pipe 340. As the filtering operation continues, when there is too much floating material in the water injection chamber 102. The water filling valve 110 and the water storage valve 341 are closed, the sewage valve 120 and the water pumping valve 331 are opened, the water pumping pump 320 pumps the water in the water pumping pool into the water storage cavity 101 through the water pumping pipe 330 and the water draining pipe 130, and the water in the water storage cavity 101 enters the water filling cavity 102 through the filtering mechanism 200. The water level in the fill cavity 102 rises and drives the float upward, which when rising to the height of the drain 104, will exit the filter basket 100 through the drain 104. On the other hand, the lead screw motor 410 drives the pushing cylinder 430 to move forward and backward by driving the moving block 420, and the pushing cylinder 430 drives the scraper 440 to move up and down. The lead screw motor 410 and the pushing cylinder 430 cooperate to drive the scraper 440 to scrape the floating objects on the filter plates 210 off the filter barrel 100 through the sewage outlet 104. The inflatable backflushing filter can backflush the filter barrel 100, so that water resources are saved, and the filtering cost is reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A high efficiency backflush filter, comprising: the device comprises a filter barrel, a filter mechanism, a back washing mechanism and a scraping mechanism;

2. The high efficiency backflushing filter according to claim 1 wherein the water injection valve is an electrically operated valve.

3. The high efficiency backflushing filter according to claim 1 wherein said blowdown valve is an electrically operated valve.

4. The high efficiency backflushing filter according to claim 1 wherein said drain valve is an electrically actuated valve.

5. The high efficiency backflushing filter according to claim 1 wherein said water storage valve is an electrically operated valve.

6. The high efficiency backflushing filter according to claim 1 wherein said water pumping valve is an electrically actuated valve.

7. The high efficiency backflushing filter according to claim 1 wherein each of said water caps is uniformly disposed on said adaptor plate.

8. The high efficiency backflushing filter according to claim 1 wherein said filter mechanism further includes a filter screen, said silica sand being received in said filter screen, said filter screen being disposed between said filter plate and said receiving plate.

9. The high efficiency backflushing filter according to claim 1 wherein said accumulator pipe is integrally formed with said drain pipe.

10. The high efficiency backflushing filter according to claim 1 wherein the suction pipe is integrally formed with the drain pipe.