CN218794503U

CN218794503U - A filter equipment for domestic sewage treatment

Info

Publication number: CN218794503U
Application number: CN202223319751.9U
Authority: CN
Inventors: 袁国玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-07
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a filtering device for domestic sewage treatment, which comprises a filtering device I, a filtering device II and a connecting device; the filtering device I is fixedly connected to one side of the connecting device; the filtering device II is fixedly connected to the other side of the connecting device; the filter device I comprises a box body I, a guide shaft, a water inlet, a filter screen, a motor I, a rotating roller, a steel wire rope, a motor II, a scraper, a threaded rod, a pulley and a collecting box; the filtering device II comprises a box body II, a supporting plate, a water quality detector, a filter cartridge, a nut shell filter cartridge, an activated carbon filter cartridge, a water return pipe, an electric valve I, a water outlet and an electric valve II; the connecting device comprises a connecting pipe I, a water pump, a ceramsite filter box I, a valve, a ceramsite filter box II and a connecting pipe II. The utility model discloses can prevent that the solid residue in the sewage from blockking up the pipeline, can not stop the filtering work to sewage when changing the filter screen simultaneously.

Description

A filter equipment for domestic sewage treatment

Technical Field

The utility model belongs to the technical field of sewage treatment, in particular to a filter equipment for domestic sewage treatment.

Background

Domestic sewage is wastewater discharged in daily life of residents, particularly, kitchen contains more solid particles, dirt, oil pollutants and the like, and can be discharged after being treated; for example, municipal sewage treatment and pollution discharge are carried out in the pollutant discharge standard GB18918 of urban sewage treatment plant, and the discharge is allowed after the treatment reaches the discharge standard.

The domestic sewage treatment can be divided into three stages according to the treatment degree: primary treatment, secondary treatment and tertiary treatment; wherein, the first-stage treatment is mainly used for removing solid pollutants in a suspended state in the sewage; CN213995029U discloses a filter equipment for treatment of domestic sewage, including smashing the case, smashes roof portion fixedly connected with inlet tube, smashes roof portion surface and is located inlet tube one side fixedly connected with machine case, and machine case top inner wall fixed mounting has the rotation motor, rotates the output shaft bottom fixedly connected with axis of rotation of motor, the terminal fixedly connected with mount pad in axis of rotation bottom. The device uses a stirring ring to stir and crush solid residues in the sewage, then the solid residues enter a primary filter box, are filtered by a first filter screen and then enter a final filtering and slowing box body, and the solid residues in the sewage are separated after being filtered by an active carbon filter screen and a second filter screen; in the treatment process, after the filter screen in the device filters the solid residues, a large amount of solid residues are left on the filter screen in the device, the filter screen in the device needs to be cleaned frequently to keep the normal operation of the device, but when the filter screen is replaced, the filtering work of the sewage needs to be stopped temporarily, and the filtering efficiency of the sewage is influenced; and the stirring ring smashes solid residues in the crushing box, residues are easy to adhere to the stirring ring after long-time work, the crushing effect of the stirring ring is influenced, and the solid residues block a pipeline.

Disclosure of Invention

The utility model aims at overcoming not enough among the prior art, providing a filter equipment for domestic sewage treatment, the utility model discloses can prevent that the solid residue in the sewage from blockking up the pipeline, can not stop the filtering work to sewage when changing the filter screen simultaneously.

In order to realize the purpose, the utility model discloses a technical scheme is:

a filtering device for domestic sewage treatment comprises a filtering device I, a filtering device II and a connecting device; the filtering device I is fixedly connected to one side of the connecting device; the filtering device II is fixedly connected to the other side of the connecting device; the filter device I comprises a box body I, a guide shaft, a water inlet, a filter screen, a motor I, a rotating roller, a steel wire rope, a motor II, a scraper, a threaded rod, a pulley and a collecting box; a supporting table is arranged inside the box body I, and the water inlet is fixedly connected to the top end of the box body I; the collecting box is fixedly connected to one side of the box body I; the filter screen is supported inside the box body I by a support table on the box body I; the motor II is fixedly connected to one side of the box body I through a motor base; the pair of rotating rollers are respectively connected to two sides of the box body I in a rotating mode through connecting seats; the pair of motors I are fixedly connected to two sides of the box body I through motor bases respectively, and the output ends of the motors I are fixedly connected with the central shaft of the rotating roller; one end of the steel wire rope is fixedly connected to the rotating roller, and the other end of the steel wire rope is fixedly connected with the filter screen; the pulleys are rotatably connected to two sides of the box body I through connecting seats; the output end of the motor II is fixedly connected with a threaded rod, and the threaded rod penetrates through a through hole in the top of the box body I to be rotatably connected with the box body I; the guide shafts are arranged on two sides of the threaded rod, and two ends of each guide shaft are fixedly connected with the box body I; the top of the scraper is connected with the guide shaft in a sliding way, and the scraper is connected with the threaded rod in a threaded way;

the filtering device II comprises a box body II, a supporting plate, a water quality detector, a filter cylinder, a water return pipe, an electric valve I, a water outlet and an electric valve II; a support plate is arranged in the box body II, and supports the filter cartridge above the box body II; the filter cylinders are provided with a pair of shell filter cylinders and an active carbon filter cylinder; the shell filter cartridge is arranged in the activated carbon filter cartridge, and one end of the shell filter cartridge and one end of the activated carbon filter cartridge are provided with threaded interfaces; the water outlet is fixedly connected to the bottom of the box body II, and the electric valve II is fixedly connected to the water outlet; one end of the water return pipe is fixedly connected to the bottom of the box body II, and the electric valve I is fixedly connected to the middle of the water return pipe; the water quality detector adopts an Ou wing speed OSG-300 and is fixedly connected to one side of the box body II; the electric valve II is kept in a normally open state, and the electric valve I is kept in a normally closed state.

The connecting device comprises a connecting pipe I, a water pump, a ceramsite filter box I, a valve, a ceramsite filter box II and a connecting pipe II; two ends of the connecting pipe I are fixedly connected with the ceramsite filter box I and the ceramsite filter box II respectively, and valves are arranged at the connecting ends of the connecting pipe I, the ceramsite filter box I and the ceramsite filter box II respectively; the water inlet of the water pump is connected with the connecting pipe I through a pipeline; one end of the connecting pipe II penetrates through a through hole in the box body II to be in threaded connection with threaded interfaces on the shell filter cylinder and the activated carbon filter cylinder, and the other end of the connecting pipe II is connected with a water outlet of the water pump through a pipeline; the bottom of the ceramsite filtering box I and the bottom of the ceramsite filtering box II are connected with the box body I through pipelines, and a valve is arranged on the pipeline connecting the ceramsite filtering box I with the box body I and the pipeline connecting the ceramsite filtering box II with the box body I respectively.

Compared with the prior art, the utility model beneficial effect shows:

1) The motor I is started to enable the rotating roller to rotate, so that the filter screen can be controlled to ascend or descend in the box body I; the pulley plays a role in assisting the rotating roller to pull up or put down the filter screen through the steel wire rope; the motor II is started to drive the threaded rod to rotate, and the threaded rod is matched with the threaded hole in the top of the scraper plate, so that the scraper plate can reciprocate along the threaded rod to clean the surface of the raised filter screen; the guide shaft plays a role in assisting the scraping plate to slide along the threaded rod;

2) Sewage enters the filter drum, flows into the box body II through the filtration of the shell filter drum and the activated carbon filter drum, is discharged after being detected by the water quality detector to reach the standard, and if the sewage does not reach the standard, the water quality detector outputs a signal to control the electric valve II to be closed and the electric valve I to be opened, so that the sewage which is detected to be unqualified is discharged after being filtered again and is detected to be qualified;

3) Sewage in the box body I enters the ceramsite filtering box I and the ceramsite filtering box II through pipelines to be filtered, and the sewage passing through the ceramsite filtering box I and the ceramsite filtering box II is conveyed into the filter cylinder through the pipelines by the water pump to be filtered again.

Drawings

FIG. 1 is a schematic structural view of a filtering apparatus for domestic sewage treatment according to the present invention;

FIG. 2 is a schematic structural view of the filter unit I shown in FIG. 1;

FIG. 3 is a schematic sectional view of the filter unit I shown in FIG. 1;

FIG. 4 is a schematic view of the filter unit II and the connecting means shown in FIG. 1;

FIG. 5 is a schematic view of the structure of the filter apparatus II shown in FIG. 1;

FIG. 6 is a schematic cross-sectional view of the filter cartridge of FIG. 1;

in the figure: 1. a filtering device I; 101. a box body I; 1011. a guide shaft; 1012. a water inlet; 1013. a filter screen; 102. a motor I; 103. a rotating roller; 1031. a wire rope; 104. a motor II; 1041. a squeegee; 1042. a threaded rod; 105. a pulley; 106. a collection box; 2. a filtering device II; 201. a box body II; 2012. a support plate; 2011. a water quality detector; 202. a filter cartridge; 2021. a shell cartridge; 2022. an activated carbon filter cartridge; 203. a water return pipe; 2031. an electric valve I; 204. a water outlet; 2041. an electric valve II; 3. a connecting device; 301. a connecting pipe I; 302. a water pump; 303. a ceramsite filter box I; 304. a valve; 305. a ceramsite filter box II; 306. and a connecting pipe II.

Detailed Description

In order to facilitate understanding of those skilled in the art, the technical solution of the present invention is further specifically described below with reference to fig. 1 to 6.

A filtering device for domestic sewage treatment comprises a filtering device I1, a filtering device II 2 and a connecting device 3; the filtering device I is fixedly connected to one side of the connecting device 3; the filtering device II 2 is fixedly connected to the other side of the connecting device 3; the filter device I1 comprises a box body I101, a guide shaft 1011, a water inlet 1012, a filter screen 1013, a motor I102, a rotating roller 103, a steel wire 1031, a motor II 104, a scraper 1041, a threaded rod 1042, a pulley 105 and a collection box 106; a supporting table is arranged inside the box body I101, and a water inlet 1012 is fixedly connected to the top end of the box body I101; the collecting box 106 is fixedly connected to one side of the box body I101; the filter screen 1013 is supported inside the box I101 by a support table on the box I101; the motor II 104 is fixedly connected to one side of the box body I101 through a motor base; the pair of rotating rollers 103 are respectively connected to two sides of the box body I101 in a rotating mode through connecting seats; a pair of motors I102 are fixedly connected to two sides of the box body I101 through motor seats respectively, and the output ends of the motors I102 are fixedly connected with the central shaft of the rotating roller 103; one end of the steel wire 1031 is fixedly connected to the rotating roller 103, and the other end of the steel wire 1031 is fixedly connected with the filter screen 1013; the motor I102 is started to rotate the rotating roller 103 so as to control the filter screen 1013 to ascend or descend in the box I101; the pulleys 105 are rotatably connected to two sides of the box body I101 through the connecting seat, and the pulleys 105 play a role in assisting the rotating rollers 103 to pull up or put down the filter screen 1013 through a steel wire 1031; the output end of the motor II 104 is fixedly connected with the threaded rod 1042, and the threaded rod 1042 penetrates through a through hole in the top of the box body I101 to be rotatably connected with the box body I101; the guide shafts 1011 are arranged on two sides of the threaded rod 1042, and two ends of each guide shaft 1011 are fixedly connected with the box body I101; the top of the scraper 1041 is in sliding connection with the guide shaft 1011, and the scraper 1041 is in threaded connection with the threaded rod 1042; the motor II 104 is started to drive the threaded rod 1042 to rotate, and the threaded rod 1042 is matched with a threaded hole in the top of the scraper 1041, so that the scraper 1041 can reciprocate along the threaded rod 1042 to clean the surface of the raised filter screen 1013; the guide shaft 1011 plays a role of sliding the auxiliary scraper 1041 along the threaded rod 1042;

the filtering device II 2 comprises a box body II 201, a supporting plate 2012, a water quality detector 2011, a filter cylinder 202, a water return pipe 203, an electric valve I2031, a water outlet 204 and an electric valve II 2041; a support plate 2012 is arranged in the box body II 201, and the support plate 2012 supports the filter cartridge 202 above the box body II 201; the filter cartridges 202 are provided with a pair, and the filter cartridges 202 are provided with shell filter cartridges 2021 and activated carbon filter cartridges 2022; the shell filter cylinder 2021 is arranged inside the activated carbon filter cylinder 2022, and threaded connectors are arranged at one ends of the shell filter cylinder 2021 and the activated carbon filter cylinder 2022; the water outlet 204 is fixedly connected to the bottom of the box body II 201, and the electric valve II 2041 is fixedly connected to the water outlet 204; one end of the water return pipe 203 is fixedly connected to the bottom of the box body II 201, and the electric valve I2031 is fixedly connected to the middle of the water return pipe 203; the water quality detector 2011 adopts an Ou wing speed OSG-300, and the water quality detector 2011 is fixedly connected with one side of the box body II 201; the electric valve II 2041 is kept in a normally open state, and the electric valve I2031 is kept in a normally closed state; sewage enters the filter cylinder 202, flows into the box body II 201 through the filtration of the shell filter cylinder 2021 and the activated carbon filter cylinder 2022, is discharged after reaching the standard through the detection of the water quality detector 2011, if the detection does not reach the standard, the water quality detector 2011 outputs a signal to control the electric valve II 2041 to be closed, the electric valve I2031 is opened, so that the sewage which is unqualified in detection is discharged after being filtered again and qualified in detection.

The connecting device 3 comprises a connecting pipe I301, a water pump 302, a ceramsite filter box I303, a valve 304, a ceramsite filter box II 305 and a connecting pipe II 306; two ends of the connecting pipe I301 are fixedly connected with a ceramsite filter box I303 and a ceramsite filter box II 305 respectively, and valves 304 are arranged at the connecting ends of the connecting pipe I301, the ceramsite filter box I303 and the ceramsite filter box II 305 respectively; a water inlet of the water pump 302 is connected with the connecting pipe I301 through a pipeline; one end of the connecting pipe II is connected with the threaded connectors on the nut shell filter cylinder 2021 and the activated carbon filter cylinder 2022 in a threaded manner after penetrating through a through hole on the box body II 201, and the other end of the connecting pipe II is connected with a water outlet of the water pump 302 through a pipeline; the bottom parts of the ceramsite filter box I303 and the ceramsite filter box II 305 are connected with the box body I101 through pipelines, and a valve 304 is respectively arranged on the pipeline connecting the ceramsite filter box I303 and the box body I101 and the pipeline connecting the ceramsite filter box II 305 and the box body I101; the sewage in the box body I101 enters a ceramsite filtering box I303 and a ceramsite filtering box II 305 through pipelines for filtering, and the sewage passing through the ceramsite filtering box I303 and the ceramsite filtering box II 305 is conveyed into the filter cylinder 202 through the pipelines by the water pump 302 for filtering again.

A filtering device for domestic sewage treatment comprises the following working processes:

sewage enters a filtering device I through a water inlet and is filtered by a filter screen, solid residues in the sewage are accumulated on the filter screen, a rotating roller is started to control the filter screen to ascend in a box body I until the upper surface of the filter screen is flush with the bottom of a scraper, a threaded rod is started to control the scraper to move along the threaded rod by a motor II, and the solid residues accumulated on the surface of the filter screen are pushed into a collecting box; after the surface of the filter screen is cleaned, the motor I controls the rotating roller to lower the filter screen, and finally the motor II controls the scraper to return to the original position; the sewage enters the bottom of the box body I and then enters the ceramsite filter box I and the ceramsite filter box II through pipelines for filtering, and the sewage passing through the ceramsite filter box I and the ceramsite filter box II is conveyed into the filter cylinder through the pipelines by the water pump for filtering again; the sewage filtered by the filter cartridge flows into the box body II, is discharged after being detected by the water quality detector to reach the standard, if the detection does not reach the standard, the water quality detector outputs a signal to control the electric valve II to be closed, the electric valve I is opened, so that the sewage which is detected to be unqualified is filtered again, and the sewage is discharged after being detected to be qualified; when the ceramsite filter material in the ceramsite filter box I is replaced or added, the valves on the two sides of the ceramsite filter box I are closed firstly, so that the ceramsite filter box II keeps a normal working state, then the ceramsite filter box I is disassembled, the ceramsite filter material is added or replaced into the ceramsite filter box I and then is installed back to the original position, and the valves on the two sides of the ceramsite filter box I are opened to enable sewage to enter again; the replacement mode of the ceramsite filter box II is the same as that of the ceramsite filter box I; when the filter cartridge is replaced, the filter cartridge on one side is kept to normally work, the valve on the connecting pipe II on the other side is closed, the nutshell filter cartridge and the activated carbon filter cartridge are detached from the connecting pipe II, a new nutshell filter cartridge and a new activated carbon filter cartridge are replaced, and then the valve on the connecting pipe II is opened.

The foregoing is illustrative and explanatory only of the structure of the present invention, and it is intended that those skilled in the art who have the structure described herein be able to make various modifications, additions or substitutions in the same manner as the above-described embodiments without departing from the structure of the present invention or exceeding the scope defined by the claims.

Claims

1. A filtering device for domestic sewage treatment comprises a filtering device I, a filtering device II and a connecting device; the filter device I is fixedly connected to one side of the connecting device; the filtering device II is fixedly connected to the other side of the connecting device;

the filter device I comprises a box body I, a guide shaft, a water inlet, a filter screen, a motor I, a rotating roller, a steel wire rope, a motor II, a scraper, a threaded rod, a pulley and a collecting box; a supporting table is arranged inside the box body I, and a water inlet is fixedly connected to the top end of the box body I; the collecting box is fixedly connected to one side of the box body I; the filter screen is supported inside the box body I by a support table on the box body I; the motor II is fixedly connected to one side of the box body I through a motor base; the pair of rotating rollers are respectively and rotatably connected to two sides of the box body I through connecting seats; the pair of motors I are fixedly connected to two sides of the box body I through motor bases respectively, and the output ends of the motors I are fixedly connected with the central shaft of the rotating roller; one end of the steel wire rope is fixedly connected to the rotating roller, and the other end of the steel wire rope is fixedly connected with the filter screen; the pulleys are rotatably connected to two sides of the box body I through connecting seats; the output end of the motor II is fixedly connected with a threaded rod, and the threaded rod penetrates through a through hole in the top of the box body I and is rotatably connected with the box body I; the guide shafts are arranged on two sides of the threaded rod, and two ends of each guide shaft are fixedly connected with the box body I; the top of the scraper is connected with the guide shaft in a sliding way, and the scraper is connected with the threaded rod in a threaded way;

the filtering device II comprises a box body II, a supporting plate, a water quality detector, a filter cylinder, a water return pipe, an electric valve I, a water outlet and an electric valve II; a support plate is arranged in the box body II, and supports the filter cartridge above the box body II; the filter cylinders are provided with a pair of shell filter cylinders and activated carbon filter cylinders; the shell filter cartridge is arranged in the activated carbon filter cartridge, and one end of the shell filter cartridge and one end of the activated carbon filter cartridge are provided with threaded interfaces; the water outlet is fixedly connected to the bottom of the box body II, and the electric valve II is fixedly connected to the water outlet; one end of the water return pipe is fixedly connected to the bottom of the box body II, and the electric valve I is fixedly connected to the middle of the water return pipe; the water quality detector is fixedly connected to one side of the box body II; the electric valve II is kept in a normally open state, and the electric valve I is kept in a normally closed state.

2. The filtering device for treating the domestic sewage according to claim 1, wherein the connecting device comprises a connecting pipe I, a water pump, a ceramsite filter box I, a valve, a ceramsite filter box II and a connecting pipe II; two ends of the connecting pipe I are fixedly connected with the ceramsite filter box I and the ceramsite filter box II respectively, and valves are arranged at the connecting ends of the connecting pipe I, the ceramsite filter box I and the ceramsite filter box II respectively; the water inlet of the water pump is connected with the connecting pipe I through a pipeline; one end of the connecting pipe II penetrates through a through hole in the box body II to be in threaded connection with threaded interfaces on the shell filter cylinder and the activated carbon filter cylinder, and the other end of the connecting pipe II is connected with a water outlet of the water pump through a pipeline; the bottom of the ceramsite filtering box I and the bottom of the ceramsite filtering box II are connected with the box body I through pipelines, and a valve is arranged on the pipeline connecting the ceramsite filtering box I with the box body I and the pipeline connecting the ceramsite filtering box II with the box body I respectively.