CN212523142U - Sand filtering device convenient and fast to backwash - Google Patents
Sand filtering device convenient and fast to backwash Download PDFInfo
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- CN212523142U CN212523142U CN202021065380.4U CN202021065380U CN212523142U CN 212523142 U CN212523142 U CN 212523142U CN 202021065380 U CN202021065380 U CN 202021065380U CN 212523142 U CN212523142 U CN 212523142U
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Abstract
The utility model discloses a convenient sand filtration device of back flush relates to sewage treatment technical field, and it includes sewage discharge tank and sand filter tank, the intercommunication has the water purification discharge pipe way on the sand filter tank, the intercommunication has sewage discharge pipe way on the sewage discharge tank, sewage discharge pipe says that the one end intercommunication of keeping away from sewage discharge tank is in the bottom of sand filter tank, the intercommunication has back flush pipeline on the sewage discharge pipe way, be equipped with outlet valve on the sewage discharge pipe way, be equipped with back flush valve on the back flush pipeline, sewage discharge pipe says and is higher than sewage discharge pipe way and sand filter tank intercommunication department with sewage discharge tank intercommunication department. The utility model has the advantages of simple structure, help reducing the use of water pump in sand filter's sewage filters and back flush operation, reduce the power consumption loss to can promote the filter effect to sewage.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment technique and specifically relates to a be used for sewage treatment and back flush sand filtration device.
Background
The purpose of using the filter in the wastewater treatment is to remove fine suspended substances in the wastewater, in particular to remove some fine suspended particles and colloidal substances which cannot be removed by biochemical treatment and coagulating sedimentation. At present, the filter is widely used as a three-stage treatment means for further treating the effluent of the second-stage treatment; or as the pretreatment of advanced treatment such as activated carbon adsorption, ion exchange, electrodialysis, reverse osmosis, membrane separation and the like.
Referring to fig. 1, there is a sand filtration apparatus comprising a treatment tank 7 and a sand filter 8, wherein the treatment tank 7 is communicated with a sewage pipe 71, the sand filter 8 is communicated with the treatment tank 7 through the sewage pipe 71, and the sand filter 8 is communicated with a clean water tank 9 through a clean water pipe 81. When the sewage treatment operation is carried out, the worker firstly uses the first water pump 10 to make the water treated by the treatment tank 7 flow to the sand filter 8, and sewage is filtered from the sand filter layer by the gravity principle and is discharged into the clean water tank 9. During back washing, a worker pumps water in the clean water tank 9 from the bottom of the sand filter 8 by means of the second water pump 101 to wash the sand filter layer, and then discharges waste water after the sand filter layer is washed.
However, the workers need to use two water pumps to complete the above-mentioned sewage treatment and backwashing operation, which causes large power consumption and has a need for improvement.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims to provide a convenient sand filtration device of back flush is equipped with outlet valve door, is equipped with the back flush valve on the back flush pipeline with the help of being equipped with on sewage discharge pipe, to reach sewage discharge pipe and sewage discharge jar intercommunication department and be higher than sewage discharge pipe and sand filtration jar intercommunication always, help reducing the use of water pump in sand filtration device's sewage filtration and back flush operation, reduce the power consumption loss.
The above technical purpose of the present invention can be achieved by the following technical solutions: the sand filtering device convenient to back flush comprises a sewage discharge tank and a sand filter tank, wherein a purified water discharge pipeline is communicated with the sand filter tank, a sewage discharge pipeline is communicated with the sewage discharge tank, one end, away from the sewage discharge tank, of the sewage discharge pipeline is communicated with the bottom of the sand filter tank, a back flush pipeline is communicated with the sewage discharge pipeline, a water outlet valve is arranged on the sewage discharge pipeline, a back flush valve is arranged on the back flush pipeline, and the communicating position of the sewage discharge pipeline and the sewage discharge tank is higher than the communicating position of the sewage discharge pipeline and the sand filter tank.
By adopting the technical scheme, during work, a worker closes the back washing valve, opens the water outlet valve, fills sewage in the sewage discharge tank into the sand filter tank by virtue of the U-shaped pipe formed at the communication part of the sewage discharge pipeline and the sewage discharge tank, which is higher than the communication part of the sewage discharge pipeline and the sand filter tank, and discharges filtered purified water from the purified water discharge pipeline; during the back washing operation, the water outlet valve is closed by a worker, the back washing valve is opened, the residual water in the sand filter tank downwards washes the sand filter layer under the action of gravity, so that pollutants in the sand filter layer are discharged from the back washing pipeline along with water flow, the use of the water pump in the sewage filtering and back washing operation of the sand filter device is reduced, the power consumption loss is reduced, and the filtering effect on the sewage can be improved.
The utility model discloses further set up to: the sand filter tank is characterized by further comprising a waste water collecting tank, and one end, far away from the sand filter tank, of the backwashing pipeline is communicated with the waste water collecting tank.
By adopting the technical scheme, one end of the backwashing pipeline, which is far away from the sand filter tank, is communicated with the wastewater collection tank to collect wastewater, so that the situation that the wastewater after backwashing pollutes the environment is favorably prevented.
The utility model discloses further set up to: the side wall of the sand filtering tank is provided with a water outlet, the water outlet is arranged on the sand filtering tank at intervals up and down, the purified water discharge pipeline and the communication end of the sand filtering tank can be detachably communicated with any one of the water outlets, and the water outlet is detachably sealed by a sealing element.
Through adopting above-mentioned technical scheme, be equipped with a plurality of outlets with the help of being the interval from top to bottom on the sand filtration jar, the staff can be according to the requirement that different water liquids purified, with water purification discharge pipe and the outlet intercommunication of corresponding height, help adapting to the requirement that different water liquids purified.
The utility model discloses further set up to: the one end that the water purification discharge pipe is close to the sand filtration jar is fixed with the pipeline ring flange, the sand filtration jar is located arbitrary drain outlet department and all is fixed with the cooperation ring flange, the water purification discharge pipe passes through the pipeline ring flange and cooperates ring flange bolted connection fixed, makes water purification discharge pipe and arbitrary outlet intercommunication.
Through adopting above-mentioned technical scheme, fixed with the help of being connected of pipeline flange dish and cooperation flange dish, can be connected water purification discharge pipe and arbitrary outlet, help promoting the dismouting of water purification discharge pipe intercommunication on the sand filtration jar.
The utility model discloses further set up to: the bottom of the sand filtering tank is formed with a conical barrel bottom.
By adopting the technical scheme, the wastewater after backwashing is driven to be gathered and flow out to the bottom of the sand filter tank by the aid of the conical barrel bottom formed at the bottom of the sand filter tank, so that the situation that the wastewater is retained in the sand filter tank is favorably reduced.
The utility model discloses further set up to: the sand filtration jar downside is provided with puts the thing support, put the thing support including being located the brace table of putting thing support upside, the brace table is the cavity setting, the embedding of toper barrel head is in the brace table.
Through adopting above-mentioned technical scheme, be provided with through the downside at the sand filtration jar and put the thing support to in putting the brace table of thing support with the embedding of toper barrel head, help promoting the stability that the sand filtration jar was placed.
The utility model discloses further set up to: and a transparent closed window which can be used for observing the liquid level in the sand filter tank is arranged on the sand filter tank.
Through adopting above-mentioned technical scheme, with the help of the transparent closed window of seting up on the sand filtration jar, help the staff to observe the position of the water purification liquid level in the sand filtration jar.
The utility model discloses further set up to: be provided with the suction pump between waste water collecting pit and the sewage discharge jar, sewage in the waste water collecting pit passes through in the suction pump suction sewage discharge jar.
Through adopting above-mentioned technical scheme, in the actual work, the staff can be with the help of the waste water suction in the suction pump with the waste water collecting pit in the sewage discharge jar to help carrying out the retreatment operation to the waste water in the waste water collecting pit.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the water outlet valve is arranged on the sewage discharge pipeline, the back flush valve is arranged on the back flush pipeline, and the U-shaped pipe formed by the communication part of the sewage discharge pipeline and the sewage discharge tank is always higher than the communication part of the sewage discharge pipeline and the sand filter tank, so that the use of the water pump in sewage filtering and back flush operation of the sand filter device is reduced;
(2) through set up at least outlet on the sand filtration jar, the staff communicates the clear water discharge pipe with arbitrary outlet, helps adjusting the clear water volume of discharging from the sand filtration jar.
Drawings
Fig. 1 is a schematic view of an overall structure of a sand filtration device mainly embodying convenience of backwashing according to this embodiment;
FIG. 2 is an exploded view of a sand filter tank according to the present embodiment;
fig. 3 is a schematic diagram of a water pump according to a second embodiment of the present invention;
fig. 4 is a schematic view showing the structure of a sand filtration apparatus in the prior art.
Reference numerals: 1. a sewage discharge tank; 11. a sewage discharge pipeline; 12. a water outlet valve; 2. a sand filtration tank; 21. a purified water discharge pipeline; 22. a water outlet; 23. a pipeline flange; 231. matching with a flange plate; 24. a conical barrel bottom; 25. a transparent enclosed window; 3. back flushing the pipeline; 31. a back-flushing valve; 4. a wastewater collection tank; 5. a placement support; 51. a support table; 52. a support leg; 6. a water pump; 7. a treatment tank; 71. a sewage pipe; 8. a sand filter; 81. a water purifying pipe; 9. a clear water tank; 10. a first water pump; 101. and a second water pump.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
The first embodiment is as follows:
referring to the attached drawing 1, the sand filtration device with convenient back flushing comprises a sewage discharge tank 1 and a sand filtration tank 2, wherein the sand filtration tank 2 is communicated with a purified water discharge pipeline 21, the sewage discharge tank 1 is communicated with a sewage discharge pipeline 11, one end of the sewage discharge pipeline 11, which is far away from the sewage discharge tank 1, is communicated with the bottom of the sand filtration tank 2, the sewage discharge pipeline 11 is communicated with a back flushing pipeline 3, the sewage discharge pipeline 11 is provided with a water outlet valve 12, the back flushing pipeline 3 is provided with a back flushing valve 31, and the communication position of the sewage discharge pipeline 11 and the sewage discharge tank 1 is higher than the communication position of the sewage discharge pipeline 11 and the sand filtration tank 2.
In actual work, a worker closes the back washing valve 31 and opens the water outlet valve 12. Because the communication position of the sewage discharge pipeline 11 and the sewage discharge tank 1 is higher than the communication position of the sewage discharge pipeline 11 and the sand filter tank 2 to form a U-shaped pipe, when the sewage in the sewage discharge tank 1 reaches the communication position of the sewage discharge pipeline 11 and the sewage discharge tank 1, the sewage flows into the sand filter tank 2 from the sewage discharge pipeline 11. The sewage flowing into the sand filtering tank 2 flows through the sand filtering layer from bottom to top, and the filtered clean water overflows from the communication part of the clean water discharge pipeline 21 and the sand filtering tank 2 and is discharged from the clean water discharge pipeline 21.
Referring to the attached drawing 1, one end of the back flushing pipeline 3, which is far away from the sand filtering tank 2, is communicated with a waste water collecting tank 4, and the position of the waste water collecting tank 4 is lower than that of the sand filtering tank 2.
Referring to fig. 2, three clean water discharge pipes 21 and three water discharge ports 22 of the sand filtration tank 2 are formed at a predetermined vertical height on the sand filtration tank 2. The purified water discharge pipeline 21 is fixed with a pipeline flange 23, the water discharge port 22 is fixed with a matching flange 231, and the purified water discharge pipeline 21 is fixedly communicated with any water discharge port 22 through the connection of the pipeline flange 23 and the matching flange 231.
The implementation principle of the above embodiment is as follows: in actual work, a worker firstly connects and fixedly communicates the purified water discharge pipeline 21 and any one of the three water discharge ports 22 with the mating flange 231 through the pipeline flange 23. The operator then closes the back flush valve 31 and opens the outlet valve 12. Because the communication position of the sewage discharge pipeline 11 and the sewage discharge tank 1 is higher than the communication position of the sewage discharge pipeline 11 and the sand filter tank 2, a U-shaped pipe is formed, and when the sewage in the sewage discharge tank 1 reaches the communication position of the sewage discharge pipeline 11 and the sewage discharge tank 1, the sewage flows into the sand filter tank 2 from the sewage discharge pipeline 11. The sewage flowing into the sand filtering tank 2 flows through the sand filtering layer from bottom to top, and the filtered clean water overflows from the communication part of the clean water discharge pipeline 21 and the sand filtering tank 2 and is discharged from the clean water discharge pipeline 21. The wastewater after the back washing flows into a wastewater collection tank 4 through a back washing pipeline 3.
Example two:
referring to fig. 3, a sand filtering device with convenient back flushing is different from the first embodiment in that a conical barrel bottom 24 is formed at the bottom of a sand filtering tank 2. The lower side of the sand filtering tank 2 is provided with a storage support 5, the storage support 5 comprises a support table 51 positioned on the upper side of the storage support 5, and four support legs 52 are welded on the lower side of the support table 51. The support base 51 is hollow, and the conical barrel bottom 24 is provided on the support base 51. The sand filtering tank 2 is provided with a transparent closing window 25, the transparent closing window 25 is in a strip shape, and the length direction of the transparent closing window 25 is parallel to the axial direction of the sand filtering tank 2.
Referring to the attached drawing 4, a water suction pump 6 is arranged between the wastewater collection tank 4 and the wastewater discharge tank 1, a water inlet and a water outlet of the water suction pump 6 are respectively communicated with the wastewater discharge tank 1 and the wastewater collection tank 4 through pipelines, and liquid pumped by the water suction pump 6 from the wastewater collection tank 4 is supplied to the wastewater discharge tank 1.
The implementation principle of the above embodiment is as follows: in actual operation, the operator first places the conical bottom 24 of the sand filter tank 2 on the support platform 51. The worker connects the purified water discharge pipe 21 with any one of the three water discharge ports 22 through the pipe flange 23 and fixedly communicates with the mating flange 231. The operator then closes the back flush valve 31 and opens the outlet valve 12. Because the communication position of the sewage discharge pipeline 11 and the sewage discharge tank 1 is higher than the communication position of the sewage discharge pipeline 11 and the sand filter tank 2, a U-shaped pipe is formed, and when the sewage in the sewage discharge tank 1 reaches the communication position of the sewage discharge pipeline 11 and the sewage discharge tank 1, the sewage flows into the sand filter tank 2 from the sewage discharge pipeline 11. The sewage flowing into the sand filtering tank 2 flows through the sand filtering layer from bottom to top, and the filtered clean water overflows from the communication part of the clean water discharge pipeline 21 and the sand filtering tank 2 and is discharged from the clean water discharge pipeline 21. At this point, the operator may view the clean water level in the sand filter tank 2 via the transparent closure window 25 on the sand filter tank 2. The wastewater after the back washing flows into a wastewater collection tank 4 through a back washing pipeline 3. When the wastewater collection tank 4 is in a full state, the staff sucks wastewater in the wastewater collection tank 4 into the sewage discharge tank 1 by means of the water suction pump 6 so as to filter the wastewater.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a convenient sand filtration device of back flush, includes sewage discharge tank (1) and sand filter tank (2), its characterized in that, the intercommunication has water purification discharge pipe way (21) on sand filter tank (2), the intercommunication has sewage discharge pipeline (11) on sewage discharge tank (1), the one end intercommunication that sewage discharge tank (1) was kept away from in sewage discharge pipeline (11) is in the bottom of sand filter tank (2), the intercommunication has back flush pipeline (3) on sewage discharge pipeline (11), be equipped with outlet valve (12) on sewage discharge pipeline (11), be equipped with back flush valve (31) on back flush pipeline (3), sewage discharge pipeline (11) and sewage discharge tank (1) intercommunication department are higher than sewage discharge pipeline (11) and sand filter tank (2) intercommunication department.
2. The sand filter device convenient for back flushing as claimed in claim 1, further comprising a waste water collecting tank (4), wherein one end of the back flushing pipeline (3) far away from the sand filter tank (2) is communicated with the waste water collecting tank (4).
3. The sand filter device convenient and fast to backwash as claimed in claim 1, wherein the side wall of the sand filter tank (2) is provided with a plurality of water outlets (22), the water outlets (22) are arranged on the sand filter tank (2) at intervals from top to bottom, the water purification discharge pipeline (21) and the communication end of the sand filter tank (2) are detachably communicated with any one of the water outlets (22), and the other water outlets (22) are detachably sealed with sealing members (232).
4. The sand filter device convenient for back flushing according to claim 1, wherein a pipeline flange (23) is fixed at one end of the clean water discharge pipeline (21) close to the sand filter tank (2), a matching flange (231) is fixed at any water outlet (22) of the sand filter tank (2), and the clean water discharge pipeline (21) is fixedly connected with the matching flange (231) through the pipeline flange (23) in a bolt manner, so that the clean water discharge pipeline (21) is communicated with any water outlet (22).
5. The sand filter device convenient for back flushing as claimed in claim 1, characterized in that the bottom of the sand filter tank (2) is formed with a conical barrel bottom (24).
6. The sand filter device convenient and fast to backwash as claimed in claim 5, wherein a storage support (5) is arranged on the lower side of the sand filter tank (2), the storage support (5) comprises a support platform (51) arranged on the upper side of the storage support (5), the support platform (51) is hollow, and the conical barrel bottom (24) is embedded into the support platform (51).
7. The sand filter device convenient for back flushing as claimed in claim 1, characterized in that the sand filter tank (2) is provided with a transparent closed window (25) for observing the liquid level in the sand filter tank (2).
8. The sand filtering device convenient and fast to backwash as claimed in claim 2, wherein a water suction pump (6) is arranged between the wastewater collecting tank (4) and the sewage discharge tank (1), and the sewage in the wastewater collecting tank (4) is pumped into the sewage discharge tank (1) through the water suction pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065380.4U CN212523142U (en) | 2020-06-10 | 2020-06-10 | Sand filtering device convenient and fast to backwash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065380.4U CN212523142U (en) | 2020-06-10 | 2020-06-10 | Sand filtering device convenient and fast to backwash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212523142U true CN212523142U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021065380.4U Active CN212523142U (en) | 2020-06-10 | 2020-06-10 | Sand filtering device convenient and fast to backwash |
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| Country | Link |
|---|---|
| CN (1) | CN212523142U (en) |
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2020
- 2020-06-10 CN CN202021065380.4U patent/CN212523142U/en active Active
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