Sewage treatment device for building construction site

By designing a reciprocating screw-driven structure for cleaning scrapers and extrusion blocks, the problem of filter screen clogging was solved, achieving automatic cleaning and efficient filtration, and improving the operating efficiency of the wastewater treatment device.

CN224040230UActive Publication Date: 2026-03-27CHINA NO 15 METALLURGICAL CONSTR GRP
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing construction wastewater treatment devices cannot effectively clean residual debris from the filter screen, causing the filter holes to become easily clogged, affecting filtration performance, and the cleaning process is cumbersome and requires manual intervention.

Method used

A structure including a reciprocating screw, a threaded sleeve, a cleaning scraper, a filter screen, an arc-shaped block, and a pressing block is designed. The rotation of the reciprocating screw drives the cleaning scraper and the pressing block to automatically clean the filter screen debris. The arc-shaped block tilts and rolls the debris onto the discharge plate. Combined with the elastic reset of the spring and the cam drive, the collection box vibrates, improving the filtration efficiency.

Benefits of technology

It achieves automatic cleaning of filter screen debris, avoiding manual intervention, improving filtration performance and efficiency, and reducing cleaning difficulty.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224040230U_ABST
    Figure CN224040230U_ABST
Patent Text Reader

Abstract

The utility model discloses a sewage treatment device for a building construction site, which belongs to the field of sewage treatment for building construction and comprises a box body, a filter screen is rotatably connected in the box body, an arc-shaped block is fixedly connected to the top of the filter screen, a first spring is fixedly connected to the top of the filter screen, and a second spring is fixedly connected to the top of the arc-shaped block. One end, far away from the filter screen, of the first spring is fixedly connected with the inner wall of the box body; through the arrangement of the reciprocating lead screw, the threaded sleeve, the cleaning scraper, the filter screen, the arc-shaped block and the extrusion block, when the reciprocating lead screw rotates, the arc-shaped block can drive the filter screen to incline, it is ensured that chippings on the filter screen can roll to the discharging plate to be discharged, and then the device can clean the chippings left on the filter screen; the situation that the filtering performance of the filter screen is affected due to the fact that the chippings are easily clamped in the filter holes is prevented, the cleaned chippings can be automatically treated, and great inconvenience caused by manual cleaning is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction sewage treatment technical field, specifically a sewage treatment device for building construction site. BACKGROUND

[0002] In the construction site with the building construction also can produce more sewage, the sewage produced mainly comes from production construction water and production machinery water, these sewage contains more iron filings and sandstone particles, many sites are after simple filtration directly discharge sewage, such not only can cause environmental pollution, also can lead to water resource waste, therefore need to use sewage treatment device to carry out strict treatment to sewage.

[0003] According to the search, the Chinese utility model patent discloses a kind of sewage treatment device for building construction (publication number: CN208611969U), including bottom plate, water pool, cleaning cylinder, motor one, auger, motor two and stirring plate, its characterized in that: the bottom plate is arranged on support, the water pool is arranged on bottom plate, the cleaning cylinder is arranged on water pool, water inlet bin is arranged in the both ends of cleaning cylinder, and impurity plate is arranged, the motor one is arranged in cleaning cylinder one end, and power cord is arranged on motor one, the auger is arranged in cleaning cylinder, and auger is connected with motor one, the motor two is arranged on bottom plate, and power cord and transmission shaft are arranged on motor two, the stirring plate is arranged in water pool, and stirring plate is connected with transmission shaft.

[0004] In the above patent, although compared with prior art, solid impurities in sewage can be pushed up in cleaning cylinder, and discharged through impurity plate, improve the treatment effect of sewage, but the existing sewage treatment device cannot clean the debris remaining on filter screen, so that debris is easily stuck in filter hole, thereby affecting the filtering performance of filter screen, and the debris after cleaning is not easy to handle, and the cleaning process is relatively cumbersome, and debris can be handled only by manual operation in device.

[0005] To solve the above problems, a sewage treatment device for building construction site is proposed. SUMMARY

[0006] The utility model discloses a kind of sewage treatment devices for building construction site to solve the above problems.

[0007] The utility model discloses a specific scheme is: a sewage treatment device for building construction site, including the box, the inside rotatory connection of box has the filter screen, the top fixed connection of filter screen has the arc block, the top fixed connection of filter screen has the first spring, the one end of first spring away from the filter screen is with the fixed connection of the inner wall of box, the inside rotatory connection of box has the back and forth screw rod, the outer wall of box is provided with the motor for driving the rotation of back and forth screw rod, the outer surface screw thread connection of back and forth screw rod has the thread sleeve, the outer surface fixed connection of thread sleeve has the cleaning blade for cleaning filter screen, the bottom fixed connection of cleaning blade has the extrusion block with arc block contact, the outer wall fixed connection of box has the discharge plate.

[0008] Further, the lower part of the box is provided with a collecting box, the top of the collecting box is fixedly connected with a telescopic rod, one end of the telescopic rod away from the collecting box is fixedly connected with the bottom of the box.

[0009] Further, the top of the collecting box is fixedly connected with a second spring, one end of the second spring away from the collecting box is fixedly connected with the bottom of the box, and the telescopic rod is inserted into the inner ring of the second spring.

[0010] Further, the outer wall of the box is rotatably connected with a cam for pressing the collecting box, and a transmission belt is transmissionally connected between the cam and the back and forth screw rod.

[0011] Further, the inner wall of the box is fixedly connected with an inclined plate, the top of the inclined plate is fixedly connected with a plurality of dredging blocks for dredging filter holes of the filter screen, and a plurality of water through holes are formed in the inner wall of the inclined plate.

[0012] Further, the inner cavity of the box is connected with a connecting pipe, and one end of the connecting pipe away from the box is connected with the inner cavity of the collecting box.

[0013] Further, the inner cavity of the collecting box is connected with a water outlet pipe, and a water stop valve is arranged on the water outlet pipe.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a cleaning device for filter screen, including box body, filter screen, arc block, first spring, back and forth screw rod, motor, thread sleeve, cleaning scraper, filter screen, extrusion block and discharge plate, the stretchable rod of collection box is connected to the one side of filter screen, and the one side of filter screen is connected with the discharge plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of sewage treatment device for building construction site;

[0017] Figure 2 It is a structural schematic diagram of the section of box body in sewage treatment device for building construction site;

[0018] Figure 3 It is a structural schematic diagram of filter screen in sewage treatment device for building construction site;

[0019] Figure 4 It is Figure 1 the enlarged structural schematic diagram of A of

[0020] Figure 5 It is Figure 2 the enlarged structural schematic diagram of B of

[0021] In the drawing:

[0022] 1, box body;2, filter screen;3, arc block;4, first spring;5, back and forth screw rod;6, motor;7, thread sleeve;8, cleaning scraper;9, extrusion block;10, discharge plate;11, collection box;12, stretchable rod;13, second spring;14, cam;15, transmission belt;16, oblique plate;17, dredging block;18, water through -hole;19, connecting pipe;20, water outlet pipe;21, stop valve. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] It should be noted that if the embodiments of the utility model have directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indication also changes accordingly.

[0025] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0026] Please refer to Figures 1-5 , the utility model provides a sewage treatment device for building construction site, the sewage treatment device includes box 1, the inside rotationally connected with filter screen 2 of box 1, the top of filter screen 2 is fixedly connected with arc block 3, the top of filter screen 2 is fixedly connected with first spring 4, and the end away from filter screen 2 of first spring 4 is fixedly connected with the inner wall of box 1, the inside rotationally connected with shuttle screw rod 5 of box 1, the outer wall of box 1 is provided with motor 6 for driving the rotation of shuttle screw rod 5, the outer surface of shuttle screw rod 5 is screw connected with threaded sleeve 7, the outer surface of threaded sleeve 7 is fixedly connected with cleaning blade 8 for cleaning filter screen 2, the bottom of cleaning blade 8 is fixedly connected with extrusion block 9 in contact with arc block 3, and the outer wall of box 1 is fixedly connected with discharge plate 10.

[0027] Specifically, when the reciprocating screw rod 5 is driven to rotate by the motor 6, the threaded sleeve 7 threaded with the reciprocating screw rod 5 can drive the cleaning blade 8 to move left and right, so that the cleaning blade 8 can move left and right smoothly under the limitation of the box body 1, preventing the cleaning blade 8 from rotating in place with the threaded sleeve 7 driven by the reciprocating screw rod 5, ensuring that the cleaning blade 8 can push the debris on the filter screen 2 to one side, and the cleaning blade 8 can drive the extrusion block 9 to move synchronously, so that when the extrusion block 9 moves to contact the arc-shaped block 3, the arc-shaped block 3 is extruded to drive the filter screen 2 to tilt by rotating with the box body 1, so that the debris on the filter screen 2 falls to the discharge plate 10 for discharge, making it easy to handle the debris on the filter screen 2 without manual cleaning to avoid causing great trouble. The first spring 4 provides elastic adjustment force for the filter screen 2, so that when the extrusion block 9 loses the extrusion on the arc-shaped block 3, the filter screen 2 can be reset by the elastic force of the first spring 4, facilitating the next filtration of sewage.

[0028] The bottom of the box body 1 is provided with a collection box 11, the top of the collection box 11 is fixedly connected with an extension rod 12, and the end of the extension rod 12 away from the collection box 11 is fixedly connected with the bottom of the box body 1.

[0029] The top of the collection box 11 is fixedly connected with a second spring 13, the end of the second spring 13 away from the collection box 11 is fixedly connected with the bottom of the box body 1, and the extension rod 12 penetrates the inner ring of the second spring 13.

[0030] The outer wall of the box body 1 is rotatably connected with a cam 14 for pressing the collection box 11, and the cam 14 is in transmission connection with the reciprocating screw rod 5 through a transmission belt 15.

[0031] The inner cavity of the box body 1 is communicated with a connecting pipe 19, and the end of the connecting pipe 19 away from the box body 1 is communicated with the inner cavity of the collection box 11.

[0032] The inner cavity of the collection box 11 is communicated with a water outlet pipe 20, and the water outlet pipe 20 is provided with a water stop valve 21.

[0033] Specifically, the flow space provided by the connecting pipe 19 enables the filtered sewage in the box 1 to flow into the collecting box 11, so that the collecting box 11 can concentrate the filtered sewage in one place, and then the sewage in the collecting box 11 can be subjected to the next processing procedure by the water outlet pipe 20, and the water stop valve 21 enables the water outlet pipe 20 to have the opening or closing function, so as to prevent the sewage in the collecting box 11 from leaking through the water outlet pipe 20 accidentally when there is no need to discharge, and when the reciprocating screw rod 5 rotates, the transmission belt 15 driven by the reciprocating screw rod 5 can drive the cam 14 to rotate, so that when the convex surface of the cam 14 contacts the collecting box 11, the cam 14 can provide a pressing force to enable the box 1 to move upward by the telescopic rod 12, and the second spring 13 enables the box 1 to have elastic restoring force, so that when the cam 14 contacts the collecting box 11 each time, the box 1 can be in a vibrating state, so as to achieve the purpose of vibrating the debris mixed in the filter holes of the filter screen 2, loosen the debris, and facilitate subsequent processing, so as to improve the filtering performance of the filter screen 2.

[0034] The inside of the box 1 is fixedly connected with an inclined plate 16, the top of the inclined plate 16 is fixedly connected with a plurality of dredging blocks 17 for dredging the filter holes of the filter screen 2, and a plurality of water passing holes 18 are formed in the inside of the inclined plate 16.

[0035] Specifically, the inclined plate 16 is arranged in an inclined manner, so that when the filter screen 2 is inclined, the filter screen 2 can be in the same horizontal position as the plurality of dredging blocks 17, so as to facilitate the dredging blocks 17 to push out the debris mixed in the filter holes of the filter screen 2, so that the pushed-out debris can roll to the discharge plate 10 for discharge, and the cleaning blade 8 can be pushed and cleaned, and the water passing holes 18 enable the inclined plate 16 to have a flow space for sewage, so as to prevent the sewage from being blocked by the inclined plate 16 and unable to flow downward for discharge.

[0036] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A sewage treatment device for a construction site, characterized by: Including the box, the inside rotation of the box is connected with filter screen, the top of filter screen is fixedly connected with arc block, the top of filter screen is fixedly connected with first spring, the end of first spring away from filter screen is fixedly connected with the inner wall of box, the inside rotation of box is connected with back and forth screw rod, the outer wall of box is provided with motor for driving the rotation of back and forth screw rod, the outer surface of back and forth screw rod is threadedly connected with threaded sleeve, the outer surface of threaded sleeve is fixedly connected with cleaning blade for cleaning filter screen, the bottom of cleaning blade is fixedly connected with extrusion block in contact with arc block, the outer wall of box is fixedly connected with discharge plate.

2. A sewage treatment device for construction sites according to claim 1, characterized in that: The bottom of the box is provided with a collecting box, the top of the collecting box is fixedly connected with a telescopic rod, the end of the telescopic rod away from the collecting box is fixedly connected with the bottom of the box.

3. A sewage treatment device for construction sites according to claim 2, characterized in that: The top of the collecting box is fixedly connected with a second spring, the end of the second spring away from the collecting box is fixedly connected with the bottom of the box, and the telescopic rod is inserted into the inner ring of the second spring.

4. A sewage treatment device for construction sites according to claim 2, characterized in that: The outer wall of the box is rotatably connected with a cam for pressing the collecting box, and the cam and the back and forth screw rod are drivingly connected with a transmission belt.

5. The sewage treatment device for a building construction site according to claim 1, characterized by: The inside of the box is fixedly connected with an inclined plate, the top of the inclined plate is fixedly connected with a plurality of unblocking blocks for unblocking the filter holes of the filter screen, and a plurality of water through holes are formed in the inside of the inclined plate.

6. A sewage treatment device for construction sites according to claim 2, characterized in that: The inner cavity of the box is communicated with a connecting pipe, and the end of the connecting pipe away from the box is communicated with the inner cavity of the collecting box.

7. A sewage treatment device for construction sites according to claim 2, characterized in that: The inner cavity of the collecting box is communicated with a water outlet pipe, and a water stop valve is arranged on the water outlet pipe.

Citation Information

Patent Citations

  • Sewage treatment plant for construction

    CN208611969U