CN210728842U - Device for filtering solid impurities in wastewater - Google Patents
Device for filtering solid impurities in wastewater Download PDFInfo
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- CN210728842U CN210728842U CN201921559979.0U CN201921559979U CN210728842U CN 210728842 U CN210728842 U CN 210728842U CN 201921559979 U CN201921559979 U CN 201921559979U CN 210728842 U CN210728842 U CN 210728842U
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Abstract
The utility model relates to a filtration equipment technical field specifically is a device for filtering solid impurity in waste water, and it includes the cartridge filter, the upper end and the lower extreme of cartridge filter inner wall are provided with the stainless steel thin slice, are connected with the stainless steel filter screen on the stainless steel thin slice, and the stainless steel filter screen sets up around the cartridge filter inner wall, forms a hollow area between stainless steel filter screen, cartridge filter inner wall and the stainless steel thin slice, has hung the filter cloth on the stainless steel thin slice. The utility model discloses simple structure, the modern design has not only realized waste water solid impurity's continuous filtration, and solid impurity's discharge and the back flush operation of device are also very convenient moreover, and the cleaning brush has guaranteed on the filter cloth that solid impurity can not too for the filter cloth is difficult to block up, has guaranteed the filter effect, and the life of filter cloth is elongated.
Description
Technical Field
The application relates to the technical field of filtering equipment, in particular to a device for filtering solid impurities in wastewater.
Background
Modern waste water that produces all contains multiple solid impurity, and these solid impurity can influence follow-up waste water treatment effect, therefore waste water need carry out filtration treatment, get rid of the solid impurity of aquatic, just can discharge after carrying out innocent treatment to it again, otherwise waste water can pollute or even destroy the surrounding environment. The existing filtering device for filtering solid impurities in wastewater mainly comprises a bag filter and a screen filter, wastewater enters the filter from a water inlet at the top of the filter, then passes through the filter screen or the filter bag under the self-weight or a certain pressure, and is filtered by the filter screen or the filter bag, so that the solid impurities are intercepted, and clean liquid enters a water outlet through the filter screen or the filter bag. The device can continuously operate under certain conditions, but when the filtered wastewater contains more solid impurities and the filtering precision of the filter screen or the filter bag is higher, the filter bag or the aperture on the filter screen is easy to be blocked, the filter device cannot normally work, the filter device can continuously operate after the solid impurities in the filter bag or the filter screen are removed, but the removing process is more complicated.
Patent CN 206240134U discloses a filter equipment for industrial waste water solid impurity, including last cartridge filter and lower cartridge filter in the device's the cartridge filter, cartridge filter wall connection has the filter, is equipped with the three-layer filter cotton at least in the filter, and the inlet tube runs through the filter, and the waste water that contains solid impurity enters into lower cartridge filter through the inlet tube, and the filtering action through the filter intercepts solid impurity in lower cartridge filter, and the waste water after the filtration enters into and passes through the delivery port discharge after last cartridge filter. Although the device is convenient for discharging solid residues and can clean the filtering device through backwashing, the device has low filtering effect on solid suspended matters with fine particle sizes, and the backwashing operation is not easy to remove sticky solid suspended matters attached to the filtering plate, so that the filtering capability of the device after backwashing is reduced.
Disclosure of Invention
For solving the above-mentioned problem that exists among the prior art, the device for filtering solid impurity in waste water that realizes the filter effect through setting up the filter cloth now is proposed.
In order to achieve the purpose, the following technical scheme is adopted in the application:
the utility model provides a device for filtering solid impurity in waste water which characterized in that: the filter cartridge comprises a filter cartridge, wherein a stainless steel sheet is arranged at the upper end and the lower end of the inner wall of the filter cartridge, a stainless steel filter screen is connected onto the stainless steel sheet, the stainless steel filter screen is arranged around the inner wall of the filter cartridge, a hollow area is formed among the stainless steel filter screen, the inner wall of the filter cartridge and the stainless steel sheet, and filter cloth is hung on the stainless steel sheet.
The stainless steel filter screen can be welded on the stainless steel sheet, the filter screen forms a filter bag with an open structure at the bottom and the top inside the filter cartridge, and the filter screen is hung on the stainless steel sheet up and down through a hanging rope so as to be tightly attached to the stainless steel filter screen.
Inside the filter cartridge, a washing brush is mounted in a cylindrical space formed by surrounding the stainless steel filter.
Further, the washing brush is located inside the filter cloth. The cleaning brush is arranged in the center of the filter cartridge and the filter cloth, and after the cleaning brush rotates, the soft hair on the cleaning brush can be stretched to the surface of the filter cloth to be cleaned.
The cleaning brush includes rotatory mixer and the washing pole that links to each other with it, is provided with the brush that is used for the washing on the washing pole. In the filtering process, the brush is tightly attached to the cleaning rod under the action of water pressure; in the cleaning process, the rotating brush is stretched to the surface of the filter cloth for brushing, and dirt on the filter cloth is brushed to the bottom of the filter cylinder and then discharged. The brush can be connected with the cleaning rod through the existing telescopic connection mode, and the brush can be contracted when stationary and can stretch out when rotating.
The top of the filter cartridge is connected with a water inlet pipe, the side wall of the filter cartridge close to the top of the stainless steel sheet at the upper end is connected with a water outlet pipe, and the water outlet pipe is connected with a water outlet and a back flush water port through a three-way valve.
The bottom of the filter cartridge is connected with a sludge discharge pipe, and the sludge discharge pipe is connected with a sludge discharge valve.
The bottom of the filter cylinder is provided with a supporting leg.
The width of the hollow area formed between the filter cartridge and the stainless steel filter screen can be selected according to the filtering requirement and the content of solid impurities in the wastewater, and is preferably 2-10 cm, and more preferably 3-5 cm.
The filtering aperture of the stainless steel filter screen can be selected, preferably 20-200 meshes, and more preferably 50-100 meshes.
The filtering aperture of the filter cloth can be selected and is smaller than that of the filter screen, and the aperture of the filter cloth is preferably 100-800 meshes, more preferably 200-500 meshes.
The cleaning brush arranged in the cylindrical space is made of soft materials, and the surface of the filter cloth is scrubbed without damaging the filter cloth in the filtering process or the back washing process.
The stainless steel sheet is provided with a hook which is of a telescopic structure. The hooks normally protrude out of the thin sheet, so that the filter cloth is favorably fixed on the stainless steel filter screen; when the filter cloth needs to be replaced, the hook can be retracted into the hollow area, and then the filter cloth needs to be replaced can be taken out. The hook of the telescopic structure can adopt a vertical telescopic structure by a person skilled in the art. Such as springs, telescoping tubes, etc.
The working principle of the application is as follows:
the utility model discloses in, during waste water passed through the water inlet entering device, solid impurity in the waste water was inside the cartridge filter by filter screen and filter cloth interception, and waste water after the filtration enters into the hollow region that filter screen and cartridge filter formed, outlet pipe eduction gear on the rethread cartridge filter lateral wall. After filtering for a period of time, opening the mud valve, and discharging the wastewater containing solid impurities in the cylindrical space from the mud valve through the mud pipe. The whole filtering process can be continuously operated. When the device runs for a long time, wastewater stops entering the device, backwash water enters the hollow area through the backwash water pipe to backwash the filter cloth, the filter cloth is cleaned by matching the cleaning brush at the moment, and the backwashed water is discharged out of the device through the sludge discharge pipe.
The beneficial effect of this application does:
1. the utility model discloses simple structure, the modern design has not only realized waste water solid impurity's continuous filtration, and solid impurity's discharge and the back flush operation of device are also very convenient moreover, and the cleaning brush has guaranteed on the filter cloth that solid impurity can not too for the filter cloth is difficult to block up, has guaranteed the filter effect, and the life of filter cloth is elongated.
2. This application has used filter cloth and stainless steel filter screen simultaneously, because the intensity of filter cloth is not high, when water pressure was too big, the filter cloth damaged easily, and is provided with the stainless steel filter screen simultaneously, then can shift water pressure on stainless steel filter screen totally, can not damage the filter cloth. And through changing the filter cloth of different precisions, can realize the concentration separation of different granule suspended solids, it is convenient to arrange mud, but continuous operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the position a-a of the present invention.
Fig. 3 is a cross-sectional view of the present invention at the position B-B.
Fig. 4 is a schematic view of the hook structure of the present invention.
In the figure: 1-filter cartridge, 2-support leg, 3-stainless steel sheet, 4-stainless steel filter screen, 5-hook, 6-water inlet pipe, 7-water inlet valve, 8-water outlet pipe, 9-three-way valve, 10-water outlet, 11-back flushing water outlet, 12-sludge discharge pipe, 13-sludge discharge valve, 14-filter cloth and 15-cleaning brush.
Detailed Description
The technical solution of the embodiment of the present invention is described clearly and completely with reference to the accompanying drawings in the embodiment of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Example 1
The utility model provides a device for filtering solid impurity in waste water includes cartridge filter 1, the upper end and the lower extreme of 1 inner wall of cartridge filter are provided with stainless steel thin slice 3, are connected with stainless steel filter screen 4 on the stainless steel thin slice 3, and stainless steel filter screen 4 sets up around 1 inner wall of cartridge filter, forms a cavity region between stainless steel filter screen 4, 1 inner wall of cartridge filter and the stainless steel thin slice 3, has hung filter cloth 14 on stainless steel thin slice 3.
The stainless steel filter screen 4 can be welded on the stainless steel sheet 3, the filter cloth 14 forms a filter bag with an open structure at the bottom and the top inside the filter cartridge 1, and the filter cloth 14 is hung on the stainless steel sheet 3 up and down through a hanging rope so as to be tightly attached to the stainless steel filter screen 4.
The utility model discloses simple structure, the modern design has not only realized waste water solid impurity's continuous filtration, and solid impurity's discharge and the back flush operation of device are also very convenient moreover, and cleaning brush 15 has guaranteed that solid impurity can not too many on the filter cloth 14 for filter cloth 14 is difficult to block up, has guaranteed the filter effect, and filter cloth 14's life is elongated.
Example 2
Referring to fig. 1 to 4, an apparatus for filtering solid impurities in wastewater includes a filter cartridge 1, stainless steel sheets 3 are disposed at upper and lower ends of an inner wall of the filter cartridge 1, a stainless steel screen 4 is connected to the stainless steel sheets 3, the stainless steel screen 4 is disposed around the inner wall of the filter cartridge 1, a hollow area is formed among the stainless steel screen 4, the inner wall of the filter cartridge 1 and the stainless steel sheets 3, and a filter cloth 14 is hung on the stainless steel sheets 3. The stainless steel filter screen 4 can be welded on the stainless steel sheet 3, the filter cloth 14 forms a filter bag with an open structure at the bottom and the top inside the filter cartridge 1, and the filter cloth 14 is hung on the stainless steel sheet 3 up and down through a hanging rope so as to be tightly attached to the stainless steel filter screen 4.
Inside the filter cartridge 1, a washing brush 15 is mounted in a cylindrical space formed by surrounding the stainless steel filter 4. The washing brush 15 is located inside the filter cloth 14. The cleaning brush 15 is arranged in the center of the filter cartridge 1 and in the filter cloth 14, and after the cleaning brush 15 rotates, the soft hair on the cleaning brush 15 can be stretched to the surface of the filter cloth 14 for cleaning.
The washing brush 15 includes a rotary agitator and a washing rod connected thereto, and a brush for washing is provided on the washing rod. In the filtering process, the brush is tightly attached to the cleaning rod under the action of water pressure; during cleaning, the rotating brush extends to the surface of the filter cloth 14 for brushing, and dirt on the filter cloth 14 is brushed to the bottom of the filter cartridge and then discharged. The brush can be connected with the cleaning rod through the existing telescopic connection mode, and the brush can be contracted when stationary and can stretch out when rotating.
The top of the filter cartridge 1 is connected with a water inlet pipe 6, the side wall of the filter cartridge 1 close to the top of the upper stainless steel sheet 3 is connected with a water outlet pipe 8, and the water outlet pipe 8 is externally connected with a water outlet 10 and a back washing water port 11 through a three-way valve 9.
The bottom of the filter cartridge 1 is connected with a mud discharging pipe 12, and the mud discharging pipe 12 is connected with a mud discharging valve 13. The bottom of the filter cartridge 1 is fitted with legs 2.
The width of the hollow area formed between the filter cartridge 1 and the stainless steel filter screen 4 can be selected according to the filtering requirement and the content of solid impurities in the wastewater, and is preferably 2-10 cm, and more preferably 3-5 cm.
The filtering aperture of the stainless steel filter screen 4 can be selected, preferably 20-200 meshes, and more preferably 50-100 meshes.
The filtering aperture of the filter cloth 14 can be selected and is smaller than that of the filter screen, and the aperture of the filter cloth 14 is preferably 100-800 meshes, more preferably 200-500 meshes.
The cleaning brush 15 installed in the cylindrical space is made of a soft material, and brushes the surface of the filter cloth 14 without damaging the filter cloth 14 in the filtering process or the backwashing process.
The stainless steel sheet 3 is provided with a hook 5, and the hook 5 is of a telescopic structure. The hook 5 is normally protruded out of the sheet, which is beneficial to fixing the filter cloth 14 on the stainless steel filter screen 4; when the filter cloth 14 needs to be replaced, the hook 5 can be retreated into the hollow area, and then the filter cloth 14 needing to be replaced is taken out. The hook 5 of the telescopic structure can adopt a vertical telescopic structure by a person skilled in the art. Such as springs, telescoping tubes, etc.
The utility model discloses in, during waste water passed through the water inlet entering device, solid impurity in the waste water was intercepted inside cartridge filter 1 by filter screen and filter cloth 14, and the waste water after the filtration enters into the hollow space area that filter screen and cartridge filter 1 formed, 8 eduction gear of outlet pipe on the 1 lateral wall of rethread cartridge filter. After a period of filtration, the sludge discharge valve 13 is opened, and the wastewater containing solid impurities in the cylindrical space passes through the sludge discharge valve 13 and is discharged out of the device through the sludge discharge pipe 12. The whole filtering process can be continuously operated. When the device is operated for a long time, the wastewater stops entering the device, the backwashing water enters the hollow area through the backwashing water pipe to backwash the filter cloth 14, the washing brush 15 is matched with the filter cloth 14 to clean, and the backwashed water is discharged out of the device through the sludge discharge pipe 12.
The utility model discloses simple structure, the modern design has not only realized waste water solid impurity's continuous filtration, and solid impurity's discharge and the back flush operation of device are also very convenient moreover, and cleaning brush 15 has guaranteed that solid impurity can not too many on the filter cloth 14 for filter cloth 14 is difficult to block up, has guaranteed the filter effect, and filter cloth 14's life is elongated. This application has used filter cloth 14 and stainless steel filter screen 4 simultaneously, because the intensity of filter cloth 14 is not high, when water pressure was too big, filter cloth 14 damaged easily, and is provided with stainless steel filter screen 4 simultaneously, then can all shift the water pressure to stainless steel filter screen 4 on, can not damage filter cloth 14. And through changing the filter cloth 14 of different precisions, can realize the concentration separation of different granule suspended solids, it is convenient to arrange mud, but continuous operation.
The above is only the preferred embodiment of the present invention, and it is obvious to those skilled in the art that the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution of the present invention and the inventive concept equally within the technical scope of the present invention.
Claims (10)
1. The utility model provides a device for filtering solid impurity in waste water which characterized in that: including cartridge filter (1), the upper end and the lower extreme of cartridge filter (1) inner wall are provided with stainless steel thin slice (3), are connected with stainless steel filter screen (4) on stainless steel thin slice (3), and stainless steel filter screen (4) are around cartridge filter (1) inner wall setting, form a hollow area between stainless steel filter screen (4), cartridge filter (1) inner wall and stainless steel thin slice (3), have hung filter cloth (14) on stainless steel thin slice (3).
2. An apparatus for filtering solid impurities in wastewater according to claim 1, wherein: a washing brush (15) is mounted in a cylindrical space formed by surrounding a stainless steel filter (4) inside the filter cartridge (1).
3. An apparatus for filtering solid impurities in wastewater according to claim 2, wherein: the cleaning brush (15) is positioned at the inner side of the filter cloth (14).
4. An apparatus for filtering solid impurities in wastewater according to claim 2, wherein: the cleaning brush (15) comprises a rotary stirring machine and a cleaning rod connected with the rotary stirring machine, and a brush for cleaning is arranged on the cleaning rod.
5. An apparatus for filtering solid impurities in wastewater according to claim 1, wherein: the top of the filter cartridge (1) is connected with a water inlet pipe (6), the side wall of the filter cartridge (1) close to the top of the upper stainless steel sheet (3) is connected with a water outlet pipe (8), and the water outlet pipe (8) is connected with a water outlet (10) and a back washing water port (11) through a three-way valve (9).
6. An apparatus for filtering solid impurities in wastewater according to claim 1, wherein: the bottom of the filter cartridge (1) is connected with a mud discharging pipe (12), and the mud discharging pipe (12) is connected with a mud discharging valve (13).
7. An apparatus for filtering solid impurities in wastewater according to claim 1, wherein: the bottom of the filter cylinder (1) is provided with a supporting leg (2).
8. An apparatus for filtering solid impurities in wastewater according to claim 1, wherein: the stainless steel sheet (3) is provided with a hook (5), and the hook (5) is of a telescopic structure.
9. An apparatus for filtering solid impurities in wastewater according to claim 1, wherein: the width of a hollow area formed between the filter cartridge (1) and the stainless steel filter screen (4) is 2-10 cm.
10. An apparatus for filtering solid impurities in wastewater according to claim 1, wherein: the filtering aperture of the stainless steel filter screen (4) is 20-200 meshes; the filtering aperture of the filter cloth (14) is smaller than that of the filter screen, and the aperture of the filter cloth (14) is 100-800 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559979.0U CN210728842U (en) | 2019-09-19 | 2019-09-19 | Device for filtering solid impurities in wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559979.0U CN210728842U (en) | 2019-09-19 | 2019-09-19 | Device for filtering solid impurities in wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210728842U true CN210728842U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921559979.0U Active CN210728842U (en) | 2019-09-19 | 2019-09-19 | Device for filtering solid impurities in wastewater |
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| Country | Link |
|---|---|
| CN (1) | CN210728842U (en) |
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2019
- 2019-09-19 CN CN201921559979.0U patent/CN210728842U/en active Active
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