CN219091328U

CN219091328U - Wastewater pretreatment device

Info

Publication number: CN219091328U
Application number: CN202223544574.4U
Authority: CN
Inventors: 石亮; 杨霞; 王先华
Original assignee: Guoneng Changyuan Jingzhou Thermal Power Co ltd
Current assignee: Guoneng Changyuan Jingzhou Thermal Power Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-30
Anticipated expiration: 2032-12-27

Abstract

The present disclosure relates to a wastewater pretreatment device, comprising: a filter box; the separating bin is horizontally arranged in the filtering box, a first end of the separating bin is provided with a feed inlet, a second end opposite to the first end is provided with a discharge outlet, and the side wall of the separating bin is provided with a filtering hole for discharging sewage; the conveying device is arranged in the separation bin and used for conveying the filtered residues to the discharge port; and the cleaning device is arranged in the filter box and used for cleaning the filter holes. The separation storehouse of this disclosure sets up in the rose box, and waste water gets into the separation storehouse by the feed inlet, and sewage is discharged from the filtration pore, and the residue after the filtration is carried to the discharge gate by conveyor and is discharged to with waste water filtration, cleaning device is used for cleaning the filtration pore and prevents that the filtration pore from blockking up influence filter effect.

Description

Wastewater pretreatment device

Technical Field

The present disclosure relates to the field of sewage treatment technology, and in particular, to a wastewater pretreatment device.

Background

Thermal power generation is to produce electric energy in a combustion mode, a large amount of water is often used in the middle and late stages in order to ensure stable operation of equipment in the thermal power generation process, the water is changed into wastewater containing impurities after a period of use, and general water body needs to be treated to ensure stable discharge so as to meet the national discharge requirements.

At present, sewage in a thermal power plant usually contains garbage residue scraps, a lot of scraps are garbage crystallization and cooling residues in the production process, impurities in the sewage need to be removed firstly when the sewage of the thermal power plant is filtered, the impurities in the sewage are filtered by adopting a filter screen mostly, the impurities in the sewage are filtered by the filter screen in the process of filtering the sewage, the impurities are remained on the surface of the filter screen, the water permeability of the filter screen is greatly reduced, the filtering effect of the impurities of the sewage is reduced, and the impurities on the surface of the filter screen need to be cleaned manually and regularly, so that the filtering efficiency of the impurities of the sewage is reduced.

Disclosure of Invention

An object of the present disclosure is to provide a wastewater pretreatment device capable of solving the above-described technical problems.

In order to achieve the above object, the present disclosure provides a wastewater pretreatment apparatus comprising: a filter box; the separating bin is horizontally arranged in the filtering box, a first end of the separating bin is provided with a feed inlet, a second end opposite to the first end is provided with a discharge outlet, and the side wall of the separating bin is provided with a filtering hole for discharging sewage; the conveying device is arranged in the separation bin and used for conveying the filtered residues to the discharge port; and the cleaning device is arranged in the filter box and used for cleaning the filter holes.

Optionally, the cleaning device is rotatably disposed at the bottom of the separation bin.

Optionally, the separation bin is rotatably arranged in the filter box, the filter holes are uniformly distributed on the side wall of the separation bin, and the separation bin is connected with the cleaning device through a first transmission device to drive the cleaning device to rotate.

Optionally, the first transmission device comprises a driving gear sleeved at one end of the separation bin and a driven gear sleeved on the cleaning device and meshed with the driving gear, the diameter of the driving gear is larger than that of the driven gear, and the cleaning device is arranged in parallel with the separation bin.

Optionally, the conveying device is configured as a screw blade connected to the inner wall of the separation chamber, the screw blade extending from the first end to the second end.

Optionally, a driving device is arranged on one side, close to the second end, of the filter box, and the driving device is connected with the separation bin through a second transmission device to drive the separation bin to rotate.

Optionally, the second transmission device is including setting up the rose box in with the carousel that drive arrangement is connected and be used for connecting the carousel with the connecting rod in separation storehouse, the connecting rod is equipped with many and many the connecting rod sets up along circumference interval on the lateral wall in separation storehouse is in order to form the confession the clearance that the residue of discharge gate discharge passes through.

Optionally, the wastewater pretreatment device further comprises a partition plate, the partition plate is vertically arranged to divide the filter box into a drainage bin and a slag discharge bin, a water outlet is arranged at the bottom of the drainage bin, a slag discharge port is arranged at the bottom of the slag discharge bin, the second end of the separation bin penetrates through the partition plate to extend into the slag discharge bin, the filter holes are distributed on the part of the separation bin located in the drainage bin, and the cleaning device is arranged in the drainage bin.

Optionally, the cleaning device is configured as a cleaning roller, one end of which is rotatably connected to the inner wall of the filter box, and the other end of which is rotatably connected to the partition plate.

Optionally, the wastewater pretreatment device is a thermal power plant wastewater pretreatment device.

Through above-mentioned technical scheme, in the wastewater pretreatment device that this disclosure provided, the separation storehouse sets up in the rose box, and waste water gets into the separation storehouse by the feed inlet, and sewage is discharged from the filtration pore, and the residue after the filtration is carried to the discharge gate by conveyor and is discharged to with waste water filtration, cleaning device is used for cleaning the filtration pore and prevents that the filtration pore from blockking up influence filter effect.

Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:

fig. 1 is an external structural view of a wastewater pretreatment device according to the present disclosure;

fig. 2 is an internal structural view of the wastewater pretreatment device of the present disclosure;

FIG. 3 is a cross-sectional view I of a wastewater pretreatment device of the present disclosure;

fig. 4 is a second cross-sectional view of the wastewater pretreatment device of the present disclosure.

Description of the reference numerals

1. A filter box; 101. a drainage bin; 102. a slag discharging bin; 2. a control panel; 3. a feed inlet; 4. a driving device; 5. a second transmission; 51. a turntable; 52. a connecting rod; 6. a first transmission; 61. a drive gear; 62. a driven gear; 7. a slag discharge port; 8. a separation bin; 81. a filter hole; 9. a water outlet; 10. a cleaning device; 11. a partition plate; 12. a conveying device; 13. and a discharge port.

Detailed Description

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.

In this disclosure, unless otherwise indicated, directional terms such as "bottom" and "top" are used to generally refer to the bottom and top of a respective component in the direction of gravity in the use state, and "inner and outer" refer to the inner and outer relative to the contour of the component or structure itself. In addition, it should be noted that terms such as "first, second", etc. are used to distinguish one element from another element without order or importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.

As shown in fig. 1 to 4, the present disclosure provides a wastewater pretreatment apparatus, comprising: a filter box 1; the separating bin 8 is horizontally arranged in the filter box 1, a first end of the separating bin 8 is provided with a feed inlet 3, a second end opposite to the first end is provided with a discharge outlet 13, and the side wall of the separating bin is provided with a filter hole 81 for discharging sewage; a conveying device 12 arranged in the separation bin 8 for conveying the filtered residues to a discharge port 13; and a cleaning device 10 provided in the filter box 1 for cleaning the filter holes 81.

Through above-mentioned technical scheme, in the wastewater pretreatment device that this disclosure provided, separation storehouse 8 set up in rose box 1, and waste water gets into separation storehouse 8 by feed inlet 3, and sewage is discharged from filtration pore 81, and the residue after the filtration is carried to discharge gate 13 by conveyor 12 and is discharged to with waste water filtration, cleaning device 10 is used for cleaning filtration pore 81 and prevents that filtration pore 81 from blockking up influence filter effect.

As an alternative embodiment, as shown in fig. 1 to 4, a cleaning device 10 is rotatably provided at the bottom of the separation bin 8, and the filter holes 81 on the separation bin 8 are cleaned by rotation of the cleaning device 10.

Alternatively, as shown in fig. 2-3, the separation bin 8 is rotatably disposed in the filter box 1, the filter holes 81 are uniformly distributed on the side wall of the separation bin 8, the separation bin 8 is connected with the cleaning device 10 through the first transmission device 6 to drive the cleaning device 10 to rotate, the separation bin 8 is rotatably disposed, the sewage is discharged through the filter holes 81 circumferentially disposed on the side wall of the separation bin 8, and the separation bin 8 rotates to drive the cleaning device 10 to rotate, so that the two can be achieved through only one driving device 4.

As shown in fig. 2-4, the first transmission device 6 includes a driving gear 61 sleeved at one end of the separation bin 8 and a driven gear 62 sleeved on the cleaning device 10 and meshed with the driving gear 61, the diameter of the driving gear 61 is larger than that of the driven gear 62, the cleaning device 10 is parallel to the separation bin 8, the separation bin 8 drives the cleaning device 10 to rotate through the driving gear 61 and the driven gear 62, and the separation bin 8 can drive the cleaning device 10 to rotate rapidly due to the fact that the diameter of the driving gear 61 is larger than that of the driven gear 62. In other embodiments, the separation cartridge 8 and the cleaning device 10 may also be driven by a belt or chain.

Alternatively, as shown in fig. 3, the conveying means 12 are configured as screw blades connected to the inner wall of the separation chamber 8, which screw blades extend from a first end to a second end, and the separation chamber 8 is rotated to convey the filtered residue to the discharge opening 13 through the screw blades. In other embodiments, the separation bin 8 is stationary and the conveying means 12 is configured as a push plate which moves horizontally in the axial direction of the separation bin 8 to convey filtered residue to the discharge opening 13.

Alternatively, as shown in fig. 1-3, a driving device 4 is arranged on one side, close to the second end, of the filter box 1, a control panel 2 for controlling the switch of the driving device is arranged on the outer wall of the filter box, the driving device 4 is connected with the separation bin 8 through a second transmission device 5 to drive the separation bin 8 to rotate, the driving device 4 can be a motor, the motor is arranged on the outer side of the filter box 1, and the driving end of the motor extends into the filter box 1 to be connected with the second transmission device 5 to drive the separation bin 8 to rotate.

As shown in fig. 2-3, the second transmission device 5 includes a rotary disc 51 disposed in the filter box 1 and connected with the driving device 4, and a connecting rod 52 for connecting the rotary disc 51 and the separation bin 8, where the connecting rod 52 is provided with a plurality of connecting rods 52 and the plurality of connecting rods 52 are circumferentially spaced on the side wall of the separation bin 8 to form a gap for the residue discharged by the discharge port 13 to pass through, and the second transmission device 5 drives the separation bin 8 to rotate and is provided with a gap for the residue discharged by the discharge port 13 to pass through, so as to ensure that the residue can be discharged.

As an alternative embodiment, as shown in fig. 2 to 3, the wastewater pretreatment device further comprises a partition plate 11, the partition plate 11 is vertically arranged to divide the filter tank 1 into a drainage bin 101 and a slag discharge bin 102, a water outlet 9 is arranged at the bottom of the drainage bin 101, a slag discharge port 7 is arranged at the bottom of the slag discharge bin 102, a second end of the separation bin 8 penetrates through the partition plate 11 to extend into the slag discharge bin 102, filtering holes 81 are distributed on the part of the separation bin 8 located in the drainage bin 101, and a partition plate 11 is arranged in the drainage bin 101 to separate water from slag so as to prevent the water and the slag from being mixed together after being filtered.

Alternatively, the cleaning device 10 is configured as a cleaning roller comprising a roller shaft and bristles, one end of which is rotatably connected to the inner wall of the filter housing 1 and the other end of which is rotatably connected to the partition plate 11, for example by means of bearings.

As an alternative embodiment, the waste water pretreatment device is a waste water pretreatment device of a thermal power plant, sewage in the thermal power plant generally contains garbage residue scraps, a lot of scraps are garbage crystallization and cooling residues in the production process, impurities in the sewage need to be removed earlier when filtering the sewage of the thermal power plant, the waste water pretreatment device provided by the disclosure filters the waste water and is provided with a cleaning device 10, and the cleaning device 10 is used for cleaning a filter hole 81 to prevent the filter hole 81 from being blocked and affecting the filtering effect.

When in actual use, wastewater enters the separation bin 8 through the feed inlet 3, the driving device 4 drives the separation bin 8 to rotate through the second transmission device 5, the wastewater is discharged into the drainage bin 101 through the filter hole 81 and is discharged through the drainage outlet 9, the conveying device 12 conveys residues to the slag discharging bin 102 and is discharged through the slag discharging outlet 7, and the separation bin 8 drives the cleaning device 10 to rotate through the first transmission device 6 so as to clean the filter hole 81, and the filter hole 81 is prevented from being blocked.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.

Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims

1. A wastewater pretreatment apparatus, comprising:

a filter box;

the separating bin is horizontally arranged in the filtering box, a first end of the separating bin is provided with a feed inlet, a second end opposite to the first end is provided with a discharge outlet, and the side wall of the separating bin is provided with a filtering hole for discharging sewage;

the conveying device is arranged in the separation bin and used for conveying the filtered residues to the discharge port; and

and the cleaning device is arranged in the filter box and used for cleaning the filter holes.

2. The wastewater pretreatment apparatus according to claim 1, wherein the cleaning device is rotatably provided at a bottom of the separation bin.

3. The wastewater pretreatment device according to claim 2, wherein the separation bin is rotatably disposed in the filter box, the filter holes are uniformly distributed on the side wall of the separation bin, and the separation bin is connected with the cleaning device through a first transmission device to drive the cleaning device to rotate.

4. The wastewater pretreatment device according to claim 3, wherein the first transmission device comprises a driving gear sleeved at one end of the separation bin and a driven gear sleeved on the cleaning device and meshed with the driving gear, the diameter of the driving gear is larger than that of the driven gear, and the cleaning device is arranged in parallel with the separation bin.

5. A wastewater pretreatment device according to claim 3, wherein the delivery device is configured as a screw blade connected to the inner wall of the separation chamber, the screw blade extending from the first end to the second end.

6. The wastewater pretreatment device according to claim 3, wherein a driving device is arranged on one side of the filter box, which is close to the second end, and the driving device is connected with the separation bin through a second transmission device to drive the separation bin to rotate.

7. The wastewater pretreatment apparatus according to claim 6, wherein the second transmission means comprises a rotary table provided in the filter box and connected to the driving means, and a connecting rod for connecting the rotary table and the separation bin, the connecting rod being provided with a plurality of connecting rods and a plurality of connecting rods being provided on a side wall of the separation bin at intervals in a circumferential direction to form a space through which residues discharged from the discharge port pass.

8. The wastewater pretreatment device according to claim 1, further comprising a partition plate vertically provided to partition the filter tank into a drainage bin and a slag discharge bin, a water outlet being provided at a bottom of the drainage bin, a slag discharge port being provided at a bottom of the slag discharge bin, the second end of the separation bin extending into the slag discharge bin through the partition plate, the filter holes being distributed on a portion of the separation bin located in the drainage bin, and the cleaning device being provided in the drainage bin.

9. The wastewater pretreatment apparatus according to claim 8, wherein the cleaning means is configured as a cleaning roller, one end of which is rotatably connected to an inner wall of the filter tank, and the other end of which is rotatably connected to the partition plate.

10. The wastewater pretreatment device according to claim 1, wherein the wastewater pretreatment device is a thermal power plant wastewater pretreatment device.