CN212881202U - Air-water backwashing filter - Google Patents
Air-water backwashing filter Download PDFInfo
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- CN212881202U CN212881202U CN202021476339.6U CN202021476339U CN212881202U CN 212881202 U CN212881202 U CN 212881202U CN 202021476339 U CN202021476339 U CN 202021476339U CN 212881202 U CN212881202 U CN 212881202U
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Abstract
The utility model relates to an air water back flush filter equipment, include: the filter is provided with a plurality of filter lattices arranged in front and back, a movable water distribution device which is arranged at the upper end of the filter and is provided with a sewage inlet pipe, a sewage outlet pipe and a sewage inlet and outlet water pipe group, and a filtered water collecting tank provided with a back flush water pump; the filter grid includes: the filter layer is arranged in the filter lattice, the filter water outlet valve and the backwashing water inlet are arranged on one side wall of the filter lattice and are sequentially positioned on the lower side of the filter material layer, the lower compressed air inlet pipe is arranged on the other side wall of the filter pool and is positioned on the lower side of the filter material layer, and the upper compressed air inlet pipe is arranged on the upper side of the filter material layer; the outlet of the water filtering and discharging valve is communicated with the water filtering and collecting tank; the inlet of the backwashing water is communicated with the outlet of the backwashing water pump. The air-water backwashing filter device has the advantages of large distribution range of mine water inflow, good filtering effect and low flushing cost after the filter layer is polluted.
Description
Technical Field
The utility model relates to a sewage treatment plant, especially a gas water backwash filter equipment, belong to water treatment technical field.
Background
At present, the common filtering facilities for domestic surface water treatment comprise a siphon filter tank, a movable cover type filter tank, a V-shaped filter tank, a rapid filter tank, a valveless filter tank and the like; the rapid filter tank and the valveless filter tank are applied in coal mine water ground treatment systems more, the rapid filter tank adopts a high-resistance water distribution system, and special flushing equipment or facilities are required to be configured to ensure the back flushing effect of the filter tank; the traditional filter tank has the defects that the distribution range of mine water inflow is small, the filtering effect is poor, and the cost of flushing equipment or facilities is high after the filter layer is polluted, so that the design of the air-water backwashing filtering device which has the advantages that the distribution range of mine water inflow is large, the filtering effect is good, and the flushing cost is low after the filter layer is polluted becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the less filter effect of present filtering pond existence mine water distribution range of intaking relatively poor, the filter layer pollutes the higher not enough of back flush equipment or facility cost, provides the great filter effect of mine water distribution range of intaking better, and the lower air water back flush filter equipment of cost of washing after the filter layer pollutes.
The utility model discloses a concrete technical scheme is:
an air-water backwashing filter device, comprising: the filter is provided with a plurality of filter lattices arranged in front and back, a movable water distribution device which is arranged at the upper end of the filter and is provided with a sewage inlet pipe, a sewage outlet pipe and a sewage inlet and outlet water pipe group, and a filtered water collecting tank provided with a back flush water pump; the filter grid includes: the filter layer is arranged in the filter lattice, the filter water outlet valve and the backwashing water inlet are arranged on one side wall of the filter lattice and are sequentially positioned on the lower side of the filter material layer, the lower compressed air inlet pipe is arranged on the other side wall of the filter pool and is positioned on the lower side of the filter material layer, and the upper compressed air inlet pipe is arranged on the upper side of the filter material layer; the outlet of the water filtering and discharging valve is communicated with the water filtering and collecting tank; the inlet of the backwashing water is communicated with the outlet of the backwashing water pump.
Preferably, the mobile water distribution device comprises: the filter comprises a longitudinal electric sliding table arranged on one side wall of the filter, a fixed beam arranged on the other side wall of the filter, a longitudinal linear guide rail connected with the fixed beam, a water distribution pipe provided with a water distribution cavity, two ends of the water distribution pipe are connected with a sliding block of the longitudinal electric sliding table and a sliding block of the longitudinal linear guide rail in a one-to-one correspondence manner, a water flow header pipe arranged at the upper end of the water distribution pipe and communicated with the water distribution cavity, a sewage water inlet valve, a sewage water outlet valve, a three-way joint respectively communicated with the upper end of the water flow header pipe, an outlet of the sewage water inlet valve and an inlet of the sewage water outlet valve, sewage water inlet hoses with two ends communicated with the inlet of the sewage water inlet valve and the; the sewage inlet and outlet water pipe is assembled at the lower end of the water distribution pipe and is communicated with the water distribution cavity; the sewage inlet pipe is arranged on the longitudinal electric sliding table; the sewage outlet pipe is arranged on the fixed beam.
Preferably, the gas-water backwashing filter device further comprises: the number of the air compressors is the same as that of the filter grids, and the inlets of the air compressors are respectively communicated with a compressed air outlet of the air compressor; two outlets of the two-position three-way reversing valve are communicated with the lower compressed air inlet pipe and the upper compressed air inlet pipe in a one-to-one correspondence manner.
Preferably, the bottom of the filter lattice is provided with an inclined plane; the other side wall of the filter grid is provided with a drain valve with an inlet positioned at the lower end of the inclined plane.
Preferably, a back-washing water replenishing pipe is arranged on the upper side of the water filtering and collecting tank.
Preferably, the filter layer comprises: the filter plate is connected with the inner side of the filter grid, the support layer and the filter material layer are sequentially arranged on the upper side of the filter plate, and the back washing filter head group is arranged below the filter plate.
Preferably, the supporting layer is a gravel layer.
Preferably, the filter material layer is quartz sand, or marble particles, or granite particles, or dolomite particles.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the gas-water backwashing filter device has the advantages that the distribution range of mine water inflow is large, the filtering effect is good, and the flushing cost is low after a filter layer is polluted; when the air-water backwashing filter device filters, a longitudinal electric sliding table of the water distribution device is moved to drive the water distribution pipe to longitudinally reciprocate, mine water to be filtered entering from a sewage inlet pipe flows into a filter cell of the filter tank through a sewage inlet hose, a sewage inlet valve, a water header pipe, a water distribution pipe and a sewage inlet and outlet pipe group and uniformly flows into the filter cell of the filter tank in a distributed manner, compressed air enters the filter cell from an upper compressed air inlet pipe to be mixed with the mine water to be filtered, filtered water filtered by a filter layer is precipitated at the lower part of the filter cell, clean filtered water flows into a filtered water collection tank through a filtered water outlet valve to be collected and recycled, and the mine water has a large distribution range and a; after long-term operation, the filtering effect of the filter layer can be reduced along with the increase of pollutants in mine water to be filtered intercepted by the filter layer of the filter layer, and the filtering function is influenced, so that the filter chamber needs to be backwashed for recovering the filtering function of the filter layer, and the filtering function of the filter layer is recovered through backwashing; during back flushing, firstly compressed air enters the filter from a lower compressed air inlet pipe to form impact airflow, the impact airflow impacts the filter material layer from bottom to top to perform gas back flushing, and pollutants intercepted by the filter material layer fall off from the filter material layer; then under the action of a backwashing water pump, clean filtered water in the filtered water collecting pool enters the filter lattice from a backwashing water inlet to form impact water flow, the impact water flow impacts the filter material layer from bottom to top to carry out water backwashing, pollutants intercepted by the filter material layer are washed away, pollutants separated after gas backwashing are taken away, backwashing sewage flows out through the sewage inlet and outlet water pipe group, the water distribution pipe, the water main pipe, the sewage outlet valve, the sewage outlet hose and the sewage outlet pipe, and the filter layer can be cleaned after pollution to recover the filtering function; when one filter lattice is subjected to water backwashing, the clean filtered water gathered in the filtered water collecting tank by each filter lattice is used, so that the mutual water backwashing of the clean filtered water of each filter lattice can be realized, and the using amount of the clean water can be reduced.
2. The water distributing device is moved to ensure that the sewage to be filtered flows into the filter lattices uniformly and has the function of discharging the backwashing sewage. The two-position three-way reversing valve of the air-water backwashing filter device is beneficial to the air inlet switching of the lower compressed air inlet pipe and the upper compressed air inlet pipe. The bottom of the filter lattice is provided with an inclined plane, and the other side wall of the filter chamber is provided with a drain valve with an inlet positioned at the lower end of the inclined plane, thereby being beneficial to improving the drain effect. The upper side of the filtering and collecting tank is provided with a back-flushing water replenishing pipe, which is beneficial to replenishing water when the cleaning and filtering water in the filtering tank is insufficient during water back flushing.
3. The filter plate of the filter layer is used for installing a backwashing filter head group, a bearing layer and a filter material layer, the bearing layer is laid below the filter material layer, the filter material loss of the filter material layer is prevented when the water to be filtered is filtered, the uniform distribution of backwashing water is facilitated when the water backwashing is carried out, and the backwashing filter head is beneficial to filtering and backwashing. The supporting layer is a gravel layer, and the filter material layer is quartz sand, or marble particles, or granite particles or dolomite particles, so that the supporting layer is low in cost and easy to purchase.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
in the figure, a filter 1, a sewage inlet pipe 2, a sewage outlet pipe 3, a sewage inlet and outlet pipe group 4, a backwashing water pump 5, a filtered water collecting tank 6, a filtered water outlet valve 7, a backwashing water inlet 8, a lower compressed air inlet pipe 9, an upper compressed air inlet pipe 10, a longitudinal electric sliding table 11, a fixed beam 12, a longitudinal linear guide rail 13, a water distribution chamber 14, a water distribution pipe 15, a water main pipe 16, a sewage inlet valve 17, a sewage outlet valve 18, a three-way joint 19, a sewage inlet hose 20, a sewage outlet hose 21, an air compressor 22, a two-position three-way reversing valve 23, a connecting pipe 24, an inclined plane 25, a sewage discharge valve 26, a backwashing water replenishing pipe 27, a filter plate 28, a supporting layer 29, a filter material layer 30, a backwashing long-handle filter head 31, a filter grid 32 and.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.
As shown in figure 1: an air-water backwashing filter device, comprising: the filter 1 is provided with four filter lattices 32 which are arranged in front and back, the movable water distribution device which is arranged at the upper end of the filter 1 and is provided with a sewage inlet pipe 2, a sewage outlet pipe 3 and a sewage inlet and outlet pipe group 4, and the filtered water collecting tank 6 is provided with a back flush water pump 5; the filter cell 32 includes: the filter layer is arranged in the filter lattice 32, the filter water outlet valve 7 and the backwashing water inlet 8 are arranged on one side wall of the filter lattice 32 and are sequentially positioned on the lower side of the filter material layer 30, the lower compressed air inlet pipe 9 is arranged on the other side wall of the filter tank 1 and is positioned on the lower side of the filter material layer 30, and the upper compressed air inlet pipe 10 is positioned on the upper side of the filter material layer 30; the outlet of the water filtering and discharging valve 7 is communicated with the water filtering and collecting tank 6; the backwash water inlet 8 is communicated with the outlet of the backwash water pump 5 through a communication pipe 33.
The mobile water distribution device comprises: a longitudinal electric sliding table 11 arranged on one side wall of the filter tank 1, a fixed beam 12 arranged on the other side wall of the filter tank 1, a longitudinal linear guide rail 13 connected with the fixed beam 12, a water distribution pipe 15 provided with a water distribution cavity 14, two ends of which are in one-to-one correspondence with the slide block of the longitudinal electric sliding table 11 and the slide block of the longitudinal linear guide rail 13, a water distribution header pipe 16 arranged at the upper end of the water distribution pipe 15 and communicated with the water distribution cavity 14, a sewage inlet valve 17, a sewage outlet valve 18, a three-way joint 19 respectively communicated with the upper end of the water distribution header pipe 16, the outlet of the sewage inlet valve 17 and the inlet of the sewage outlet valve 18, sewage inlet hoses 20 with two ends communicated with the inlet of the sewage inlet valve 17 and the sewage inlet pipes 2 in one-to one correspondence, and sewage outlet hoses 21 with two ends; the sewage inlet and outlet water pipe group 4 is arranged at the lower end of the water distribution pipe 15 and is communicated with the water distribution cavity 14; the sewage inlet pipe 2 is arranged on the longitudinal electric sliding table 11; the sewage outlet pipe 3 is arranged on the fixed beam 12.
The air-water backwashing filter device further comprises: the number of the air compressors 22 is the same as that of the filter grids 32, and the inlets of the two-position three-way reversing valves 23 are respectively communicated with the compressed air outlets of the air compressors 22; the two-position three-way reversing valve 23 corresponds to the filter grids 32 one by one, and two outlets of the two-position three-way reversing valve 23 are communicated with the lower compressed air inlet pipe 9 and the upper compressed air inlet pipe 10 one by one.
The bottom of the filter lattice 32 is provided with an inclined plane 25; the other side wall of the filter grid 32 is provided with a drain valve 26 with an inlet at the lower end of the inclined surface 25.
The upper side of the water filtering and collecting tank 6 is provided with a back flush water supplementing pipe 27.
The filter layer includes: a filter plate 28 connected with the inner side of the filter lattice 32, a support layer 29 and a filter material layer 30 which are arranged on the upper side of the filter plate 28 in sequence, and a back washing filter head group arranged below the filter plate 28.
The supporting layer 29 is a gravel layer.
The filter material layer 30 is quartz sand, or marble grains, or granite grains, or dolomite grains. In this embodiment, the filter material layer 30 is quartz sand.
When the air-water backwashing filter device filters, a longitudinal electric sliding table of the water distribution device is moved to drive the water distribution pipe to longitudinally reciprocate, mine water to be filtered entering from a sewage inlet pipe flows into filter lattices of the filter tank through a sewage inlet hose, a sewage inlet valve, a water header pipe, the water distribution pipe and a sewage inlet and outlet flow pipe group and uniformly flows into the filter lattices of the filter tank in a distributed manner, compressed air enters the filter lattices from an upper compressed air inlet pipe to be mixed with the mine water to be filtered, filtered water filtered by a filter layer is precipitated at the lower parts of the filter lattices, clean filtered water flows into a filtered water collecting tank through a filtered water outlet valve to be collected and recycled, and the mine water has a large distribution range and a good filtering; after long-term operation, the filtering effect of the filter layer can be reduced along with the increase of pollutants in mine water to be filtered intercepted by the filter layer of the filter layer, and the filtering function is influenced, so that the filter chamber needs to be backwashed for recovering the filtering function of the filter layer, and the filtering function of the filter layer is recovered through backwashing; during back flushing, firstly compressed air enters the filter from a lower compressed air inlet pipe to form impact airflow, the impact airflow impacts the filter material layer from bottom to top to perform gas back flushing, and pollutants intercepted by the filter material layer fall off from the filter material layer; then under the action of a backwashing water pump, clean filtered water in the filtered water collecting pool enters the filter lattice from a backwashing water inlet to form impact water flow, the impact water flow impacts the filter material layer from bottom to top to carry out water backwashing, pollutants intercepted by the filter material layer are washed away, pollutants separated after gas backwashing are taken away, backwashing sewage flows out through the sewage inlet and outlet water pipe group, the water distribution pipe, the water main pipe, the sewage outlet valve, the sewage outlet hose and the sewage outlet pipe, and the filter layer can be cleaned after pollution to recover the filtering function; when one filter lattice is subjected to water backwashing, the clean filtered water gathered in the filtered water collecting tank by each filter lattice is used, so that the mutual water backwashing of the clean filtered water of each filter lattice can be realized, and the using amount of the clean water can be reduced.
In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative efforts, and therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.
Claims (8)
1. An air-water backwashing filter device, comprising: the filtering pond provided with a plurality of filtering grids arranged in front and back is characterized in that the air-water backwashing filtering device further comprises: a movable water distribution device which is arranged at the upper end of the filter tank and is provided with a sewage inlet pipe, a sewage outlet pipe and a sewage inlet and outlet water pipe group, and a filtered water collecting tank which is provided with a back flush water pump; the filter grid includes: the filter layer is arranged in the filter lattice, the filter water outlet valve and the backwashing water inlet are arranged on one side wall of the filter lattice and are sequentially positioned on the lower side of the filter material layer, the lower compressed air inlet pipe is arranged on the other side wall of the filter pool and is positioned on the lower side of the filter material layer, and the upper compressed air inlet pipe is arranged on the upper side of the filter material layer; the outlet of the water filtering and discharging valve is communicated with the water filtering and collecting tank; the inlet of the backwashing water is communicated with the outlet of the backwashing water pump.
2. The air-water backwashing filter device of claim 1, wherein the mobile water distribution device comprises: the filter comprises a longitudinal electric sliding table arranged on one side wall of the filter, a fixed beam arranged on the other side wall of the filter, a longitudinal linear guide rail connected with the fixed beam, a water distribution pipe provided with a water distribution cavity, two ends of the water distribution pipe are connected with a sliding block of the longitudinal electric sliding table and a sliding block of the longitudinal linear guide rail in a one-to-one correspondence manner, a water flow header pipe arranged at the upper end of the water distribution pipe and communicated with the water distribution cavity, a sewage water inlet valve, a sewage water outlet valve, a three-way joint respectively communicated with the upper end of the water flow header pipe, an outlet of the sewage water inlet valve and an inlet of the sewage water outlet valve, sewage water inlet hoses with two ends communicated with the inlet of the sewage water inlet valve and the; the sewage inlet and outlet water pipe is assembled at the lower end of the water distribution pipe and is communicated with the water distribution cavity; the sewage inlet pipe is arranged on the longitudinal electric sliding table; the sewage outlet pipe is arranged on the fixed beam.
3. The air-water backwashing filter device of claim 1, further comprising: the number of the air compressors is the same as that of the filter grids, and the inlets of the air compressors are respectively communicated with a compressed air outlet of the air compressor; two outlets of the two-position three-way reversing valve are communicated with the lower compressed air inlet pipe and the upper compressed air inlet pipe in a one-to-one correspondence manner.
4. The air-water backwashing filter device of claim 1, 2 or 3, wherein the bottom of the filter lattice is provided with an inclined plane; the other side wall of the filter grid is provided with a drain valve with an inlet positioned at the lower end of the inclined plane.
5. The air-water backwashing filter device of claim 1, 2 or 3, wherein a backwashing water replenishing pipe is arranged on the upper side of the water filtering and collecting tank.
6. A gas-water backwash filter device as claimed in claim 1, 2 or 3 wherein the filter layer comprises: the filter plate is connected with the inner side of the filter grid, the support layer and the filter material layer are sequentially arranged on the upper side of the filter plate, and the back washing filter head group is arranged below the filter plate.
7. The air-water backwashing filter device of claim 6, wherein the supporting layer is a gravel layer.
8. The air-water backwashing filter device of claim 6, wherein the filter material layer is quartz sand, marble grains, granite grains or dolomite grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476339.6U CN212881202U (en) | 2020-07-23 | 2020-07-23 | Air-water backwashing filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476339.6U CN212881202U (en) | 2020-07-23 | 2020-07-23 | Air-water backwashing filter |
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| Publication Number | Publication Date |
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| CN212881202U true CN212881202U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021476339.6U Active CN212881202U (en) | 2020-07-23 | 2020-07-23 | Air-water backwashing filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225562A (en) * | 2022-02-28 | 2022-03-25 | 北京清源华建环境科技有限公司 | Rainwater rapid filtration device |
-
2020
- 2020-07-23 CN CN202021476339.6U patent/CN212881202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225562A (en) * | 2022-02-28 | 2022-03-25 | 北京清源华建环境科技有限公司 | Rainwater rapid filtration device |
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Address after: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show Patentee after: Hangzhou Research Institute Co.,Ltd. Address before: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show Patentee before: CHINA COAL TECHNOLOGY & ENGINEERING GROUP HANGZHOU ENVIRONMENTAL PROTECTION INSTITUTE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |