CN218833776U - Sand filtering device for preventing and treating water pollution - Google Patents

Abstract

The utility model discloses a water pollution control sand filtration device belongs to sewage treatment technical field, and it includes: the sewage treatment device comprises a shell, a sewage inlet and a sewage outlet are arranged on the shell; the pretreatment mechanism is arranged in the shell and is connected with the sewage inlet, and the pretreatment mechanism comprises a filter plate arranged in the shell; and the sand filtering mechanism is arranged below the pretreatment mechanism and is connected with the sewage outlet. The sand filter device can solve the problems that the sand filter device has high requirement on water quality, and intercepted suspended matters block a sand filter layer to influence the service life of the sand filter.

Description

Sand filtering device for preventing and treating water pollution

Technical Field

The utility model belongs to the technical field of sewage treatment, concretely relates to water pollution control sand filtration device.

Background

Water pollution refers to water that causes a reduction or loss of the use value of water due to harmful chemicals, and pollutes the environment. The pollutants in the water often contain industrial wastes, garbage, chemical fertilizers and the like. China, as a country with water resource shortage, has been in continuous deterioration of water environment for many years, and prevention and treatment of water pollution is imminent.

Sand filtration is a common sewage treatment technology, generally using natural quartz sand, manganese sand and anthracite as filter materials, and is commonly used for feed water treatment after clarification (sedimentation) treatment or advanced treatment after secondary treatment of sewage, and the sand filtration mainly plays a role in intercepting organic matters, colloid and silt in water.

The inventor finds that the prior arts have at least the following technical problems in the practical use process:

the sand filter has high requirement on the quality of inlet water, and when the sand filter is used for filtering sewage with more suspended solids, a sand filter layer is blocked easily. The intercepted substances are blocked between the gaps of the sand filter layer, the sewage filtering effect is influenced, the sand filter layer is required to be replaced for ensuring the filtering effect, the service life of the sand filter layer is shortened, and the cost is improved.

SUMMERY OF THE UTILITY MODEL

For overcoming above-mentioned not enough that exists, the utility model discloses an inventor constantly reforms transform and innovate through long-term exploration attempt and a lot of experiment and effort, has provided a water pollution prevention and control sand filtration device, and it can solve sand filtration device and require highly to quality of water, and the suspended solid that holds back blocks up the sand filtration layer, influences sand filtration life's problem.

In order to realize the purpose, the utility model adopts the technical scheme that: provided is a water pollution control sand filtration device, which includes: the sewage treatment device comprises a shell, a sewage inlet and a sewage outlet are arranged on the shell; the pretreatment mechanism is arranged in the shell and is connected with the sewage inlet, and the pretreatment mechanism comprises a filter plate arranged in the shell; and the sand filtering mechanism is arranged below the pretreatment mechanism and is connected with the sewage outlet.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: the preprocessing mechanism further comprises: the rotating motor is arranged on the outer wall of the shell; the dustbin is symmetrically arranged on the outer wall of the shell with the rotating motor; the spiral conveying rod is provided with threaded blades in a surrounding mode, one end of the spiral conveying rod is fixedly connected with an output shaft of the rotating motor, the other end of the spiral conveying rod extends into the garbage can, and the filter plate is arranged below the spiral conveying rod.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: the pretreatment mechanism further comprises a connecting plate, the connecting plate is arranged below the filter plate in a sealing mode, a connecting cavity is formed between the filter plate and the connecting plate, the connecting cavity is connected with the sand filtering mechanism below the connecting cavity through a water inlet pipe, and the bottom of the garbage can is communicated with the connecting cavity.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: the pretreatment mechanism further comprises a water pump and a spray head, the water pump is arranged at the top of the shell, and the spray head is arranged at the top of the inner wall of the shell and connected with the water pump.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: the sand filtering mechanism comprises: the filter element is vertically arranged in the shell, a water inlet channel is arranged at the axis of the filter element, and the water inlet pipe is connected with the water inlet channel; the motor is installed in the casing bottom, the output shaft and the filter core bottom of motor are connected.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: the filter core is cylindrical structure, is provided with the mounting panel at the filter core lower extreme sealing.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: the sand filtering mechanism further comprises a connecting rod and a groove, the output shaft of the motor is connected to the groove in the bottom of the mounting plate through the vertically arranged connecting rod, and a spring is arranged in the groove.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: the sewage outlet is connected with the water inlet pipe through a connecting pipe, and a water outlet pipe is arranged on the connecting pipe.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: still include into water branch pipe, the branch pipe that intakes sets up on the inlet tube in front of the connecting pipe, still is provided with out water branch pipe at the inlet tube end.

According to a water pollution prevention and cure sand filtration device, its further preferred technical scheme is: the water inlet pipe in front of the water inlet branch pipe is provided with a first valve, the water inlet pipe between the connecting pipe and the water outlet branch pipe is provided with a second valve, the water inlet branch pipe is provided with a third valve, the water outlet branch pipe is provided with a fourth valve, the connecting pipe is provided with a fifth valve, and the water outlet pipe is provided with a sixth valve.

Compared with the prior art, the technical scheme of the utility model have following advantage beneficial effect:

the utility model discloses with preliminary treatment mechanism and sewage access connection, sewage is earlier handled through preliminary treatment mechanism before getting into sand filtration mechanism promptly, preliminary treatment mechanism includes the filter, and sewage passes through the filter, and partial large granule impurity can be detained on the filter, reduces the suspended solid in the sewage, compares in directly letting in sewage towards sand filtration mechanism, and preliminary treatment mechanism can alleviate sand filtration mechanism's filtration burden, delays sand filtration mechanism and blocks up, improves sand filtration mechanism's life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of the sand filter for water pollution control of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure of the sand filter for preventing and treating water pollution.

Fig. 3 is a perspective structure schematic diagram of the sand filter for preventing water pollution of the utility model.

The labels in the figure are respectively: 1, a shell, 2 a pretreatment mechanism, 3 a sand filtration mechanism and 4 a sewage inlet; 21 rotating motor, 22 dustbin, 23 spiral conveying rod, 24 filter plate, 25 connecting plate, 26 connecting cavity, 27 water inlet pipe, 28 water pump and 29 sprayer; 31 filter elements, 32 water inlet channels, 33 motors, 34 mounting plates, 35 connecting rods, 36 grooves, 37 connecting pipes, 38 water outlet pipes, 39 water inlet branch pipes, 40 water outlet branch pipes, 41 first valves, 42 second valves, 43 third valves, 44 fourth valves, 45 fifth valves and 46 sixth valves.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

The embodiment is as follows:

as shown in fig. 1 to 3, a sand filtration device for controlling water pollution, comprising: the device comprises a shell 1, a pretreatment mechanism 2, a sand filtration mechanism 3 and a sewage inlet 4. Be provided with sewage import 4 and sewage outlet on the casing 1, preliminary treatment mechanism 2 and sand filter mechanism 3 set up in casing 1, preliminary treatment mechanism 22 is connected with sewage import 4, sand filter mechanism 3 and sewage outlet connection, sewage gets into from sewage import 4 promptly, passes through preliminary treatment mechanism 2 and sand filter mechanism 3 in proper order, flows from sewage outlet again.

The preprocessing mechanism 2 includes: the garbage can comprises a rotary motor 21, a garbage can 22, a spiral conveying rod 23, a filter plate 24, a connecting plate 25, a connecting cavity 26, a water inlet pipe 27, a water pump 28 and a spray head 29. The dustbin 22 sets up on the lateral wall of casing 1, the setting that rotating electrical machines 21 and dustbin 22 are relative is on another lateral wall of casing 1, and the output shaft of rotating electrical machines 21 passes the casing 1 lateral wall and screw conveyor 23's one end fixed connection, screw conveyor 23 level sets up in casing 1 to screw conveyor 23's the other end extends to the dustbin 22 in, is provided with helical blade on screw conveyor 23, and rotating electrical machines 21 rotates and drives the screw thread blade rotation, can bring large granule impurity to the dustbin 22 in. Preferably, the water pump 28 is arranged on the top of the shell 1, the spray head 29 is arranged above the spiral conveying rod 23, and the water pump 28 is connected with the spray head 29.

The bottom of the dustbin 22 is provided with a filtering hole for filtering sewage in the garbage, so that the water in the dustbin 22 is prevented from being accumulated and smelling inside. An opening is formed in one side of the garbage can 22, and a box door can be arranged on the opening and used for dumping garbage. The utility model discloses in, the trompil that sets up on the dustbin 22 sharing casing 1 lateral wall, the trompil shape can be for the U type mouth of inversion, prevents that rubbish from blockking up on filter 24.

The spiral conveying rod 23 below is provided with filter 24, filter 24 level sets up in the inside top of casing 1, and even being provided with a plurality of filtration pores on filter 24 can make partial large granule impurity in the sewage be detained on filter 24. A connecting plate 25 is arranged below the filter plate 24 in a sealing manner, the connecting plate 25 is horizontally arranged in the shell 1, a connecting cavity 26 is formed between the connecting plate 25 and the filter plate 24, sewage passing through the filter plate 24 flows into the connecting cavity 26, and the dustbin 22 is also communicated with the connecting cavity 26. One end of the water inlet pipe 27 is connected with the connecting cavity 26, and the other end is connected with the sand filtering mechanism 3.

The sand filtering mechanism 3 is arranged in the shell 1 below the connecting plate 25, and the sand filtering mechanism 3 comprises: the filter comprises a filter element 31, a water inlet channel 32, a motor 33, a mounting plate 34, a connecting rod 35, a groove 36, a connecting pipe 37, a water outlet pipe 38, a water inlet branch pipe 39, a water outlet branch pipe 40, a first valve 41, a second valve 42, a third valve 43, a fourth valve 44, a fifth valve 45 and a sixth valve 46.

The filter element 31 is of a cylindrical structure, the upper end of the filter element 31 is rotatably arranged below the connecting plate 25 through a rotary joint, a water inlet channel 32 is arranged at the axis of the filter element 31, and the water inlet pipe 27 is connected with the water inlet channel 32 through the rotary joint. Be provided with a mounting panel 34 in the bottom of filter core 31, be provided with two recesses 36 in the bottom symmetry of mounting panel 34, it has connecting rod 35 to peg graft in the recess 36 to be provided with the spring in recess 36, motor 33 fixed mounting is at 1 diapire of casing, and the output shaft of motor 33 passes casing 1 and connecting rod 35 lower extreme fixed connection, and motor 33 rotates promptly and can drive connecting rod 35, mounting panel 34 and filter core 31 rotation in proper order, and the rotatory sewage that makes of filter core 31 is under the effect of centrifugal force, the faster filter core 31 that passes.

The sewage outlet sets up in 1 lateral wall lower part of casing, sewage outlet and the regional connection between 31 outer walls of filter core to the shell inner wall can derive the sewage after filtering. One end of the connecting pipe 37 is arranged on the sewage outlet, the other end extends to the water inlet pipe 27 and is connected with the water inlet pipe 27, a water outlet pipe 38 serving as a branch is further arranged on the connecting pipe 37, a water inlet branch pipe 39 serving as a branch is further arranged at the front end of the water inlet pipe 27, the water inlet branch pipe 39 is arranged on the water inlet pipe 27 in front of the connecting pipe 37, and a water outlet branch pipe 40 is further arranged at the tail end of the water inlet pipe 27.

Preferably, a first valve 41 is provided on the inlet pipe 27 before the inlet branch pipe 39, a second valve 42 is provided on the inlet pipe 27 between the connection pipe 37 and the outlet branch pipe 40, a third valve 43 is provided on the inlet branch pipe 39, a fourth valve 44 is provided on the outlet branch pipe 40, a fifth valve 45 is provided on the connection pipe 37, and a sixth valve 46 is provided on the outlet pipe 38, and the direction of water flow can be changed by controlling the valves. The valve, the water inlet pipe 27, the connecting pipe 37, the water outlet pipe 38, the water inlet branch pipe 39 and the water outlet branch pipe 40 form a backwashing structure, so that the filter element 31 can be backwashed, the replacement times of the sand filtering mechanism 3 are reduced, and the service life of sand filtering is prolonged.

In the filtering state, the third valve 43, the fourth valve 44, and the fifth valve 45 are closed, and the first valve 41, the second valve 42, and the sixth valve 46 are opened. In the backwashing state, the first valve 41, the second valve 42, and the sixth valve 46 are closed, and the third valve 43, the fourth valve 44, and the fifth valve 45 are opened.

During the filtration, sewage passes through sewage import 4, enters into preliminary treatment mechanism 2, and the large granule impurity in the sewage is detained on filter 24, and rotating electrical machines 21 drives screw conveyer pole 23 this moment and rotates, and the screw blade drives large granule impurity and moves to one side of dustbin 22 to with sewage and partial large granule impurity separation, alleviate sand filtering mechanism 3's filtration burden, delay sand filtering mechanism 3 and block up. The sewage filtered by the pretreatment mechanism 2 enters the connecting cavity 26 and then enters the sand filtration mechanism 3 through the water inlet pipe 27.

During sewage continuously enters into the inhalant canal 32 of the filter element 31 through the inhalant canal 27, the starting motor 33, the filter element 31 rotates, the sewage in the inhalant canal 32 is filtered with higher speed through centrifugal force, the sewage filtered by the filter element 31 is thrown to the area between the outer wall of the filter element 31 and the inner wall of the shell 1, flows into the connecting pipe 37 through the sewage outlet, and flows out from the water outlet pipe 38.

During backwashing, the first valve 41, the second valve 42 and the sixth valve 46 are closed, and the third valve 43, the fourth valve 44 and the fifth valve 45 are opened. The flushing water is introduced from the water inlet branch pipe 39, enters the housing 1 from the sewage outlet through the connecting pipe 37, passes through the filter element 31, enters the water inlet channel 32, flows into the water inlet pipe 27, and finally flows out from the water outlet branch pipe 40.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lower level than the second feature.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (10)

1. The utility model provides a water pollution control sand filter which characterized in that includes: the sewage treatment device comprises a shell, a sewage inlet and a sewage outlet are arranged on the shell; the pretreatment mechanism is arranged in the shell and is connected with the sewage inlet, and the pretreatment mechanism comprises a filter plate arranged in the shell; and the sand filtering mechanism is arranged below the pretreatment mechanism and is connected with the sewage outlet.

2. The sand filter device for controlling water pollution according to claim 1, wherein said pretreatment mechanism further comprises: the rotating motor is arranged on the outer wall of the shell; the dustbin is symmetrically arranged on the outer wall of the shell with the rotating motor; the spiral conveying rod is provided with threaded blades in a surrounding mode, one end of the spiral conveying rod is fixedly connected with an output shaft of the rotating motor, the other end of the spiral conveying rod extends into the garbage can, and the filter plate is arranged below the spiral conveying rod.

3. The sand filter device for preventing and treating water pollution according to claim 2, wherein the pretreatment mechanism further comprises a connecting plate, the connecting plate is arranged below the filter plate in a sealing manner, a connecting cavity is formed between the filter plate and the connecting plate, the connecting cavity is connected with the sand filter mechanism below through a water inlet pipe, and the bottom of the garbage can is communicated with the connecting cavity.

4. The sand filter device for preventing and treating water pollution according to claim 3, wherein the pretreatment mechanism further comprises a water pump and a spray head, the water pump is arranged at the top of the shell, and the spray head is arranged at the top of the inner wall of the shell and is connected with the water pump.

5. The sand screen device for controlling water pollution according to claim 4, wherein the sand screen mechanism comprises: the filter element is vertically arranged in the shell, a water inlet channel is arranged at the axis of the filter element, and the water inlet pipe is connected with the water inlet channel; the motor is installed in the casing bottom, the output shaft and the filter core bottom of motor are connected.

6. The sand filter for preventing and controlling water pollution as recited in claim 5, wherein said filter element is of a cylindrical structure, and a mounting plate is sealingly provided at a lower end of the filter element.

7. The sand filter device for preventing and treating water pollution according to claim 6, wherein the sand filter mechanism further comprises a connecting rod and a groove, the output shaft of the motor is connected to the groove at the bottom of the mounting plate through the connecting rod which is vertically arranged, and a spring is arranged in the groove.

8. The sand filter unit for preventing and treating water pollution of claim 7, wherein the sewage outlet is connected to the water inlet pipe through a connecting pipe, and the water outlet pipe is provided on the connecting pipe.

9. The sand filter device for preventing and treating water pollution according to claim 8, further comprising a water inlet branch pipe, wherein the water inlet branch pipe is arranged on the water inlet pipe in front of the connecting pipe, and the water outlet branch pipe is arranged at the tail end of the water inlet pipe.

10. The sand filter for preventing and treating water pollution of claim 9, wherein a first valve is arranged on the water inlet pipe before the water inlet branch pipe, a second valve is arranged on the water inlet pipe between the connecting pipe and the water outlet branch pipe, a third valve is arranged on the water inlet branch pipe, a fourth valve is arranged on the water outlet branch pipe, a fifth valve is arranged on the connecting pipe, and a sixth valve is arranged on the water outlet pipe.

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