CN214528568U - Carbon sand double-spliced filter tank - Google Patents
Carbon sand double-spliced filter tank Download PDFInfo
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- CN214528568U CN214528568U CN202022468627.3U CN202022468627U CN214528568U CN 214528568 U CN214528568 U CN 214528568U CN 202022468627 U CN202022468627 U CN 202022468627U CN 214528568 U CN214528568 U CN 214528568U
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Abstract
The utility model discloses a carbon-sand double-spliced filter tank, wherein a carbon tank and a sand tank are arranged in a tank body, a plurality of water collecting tanks are arranged at the upper part of the carbon tank, a partition wall is arranged between the carbon tank and the sand tank, partition wall openings corresponding to the positions of the water collecting tanks are arranged on the partition wall, a central channel of the sand tank is arranged at the middle part of the sand tank and penetrates through the central channel, and V-shaped grooves are respectively arranged on two side walls of the sand tank; one side of the carbon pond is provided with a water inlet main canal, and one side of the sand pond is provided with a sand pond drain pipe. During the use, this kind of charcoal sand double-pin filtering pond will go up to flow the combination of active carbon adsorption pond and sand filtering pond in a pond, simple structure, the pipeline is few, the water loss is little, and overall area is little, simultaneously, the charcoal pond do not take central canal, be filter area in the pond, to the water treatment system of the same scale, the number that needs set up the charcoal sand double-pin filtering pond is few, compact structure, the construction progress is fast.
Description
Technical Field
The utility model mainly relates to the technical field of water treatment, in particular to carbon sand double-spliced filter tank, and especially relates to a carbon sand S-shaped double-spliced filter tank for water treatment plant deep treatment, sewage plant treatment and special water treatment.
Background
At present, an ozone biological activated carbon process and a sand filter process are mostly adopted in advanced treatment, sewage plant treatment and special water treatment of a water works, the ozone biological activated carbon process has better removal rate for natural organic matters and ammonia nitrogen in raw water, and the sand filter process has better removal rate for granular substances in water. The biological activated carbon adsorption tank in the ozone biological activated carbon process has two modes of a downward flow fixed bed and an upward flow fluidized bed. The biological activated carbon adsorption tank adopting a downward flow fixed bed is common, but in recent years, the biological activated carbon adsorption tank adopting an upward flow fluidized bed is gradually popularized and used. Compared with the traditional biological activated carbon adsorption tank of a downward flow fixed bed, the biological activated carbon adsorption tank of the upward flow fluidized bed has the advantages that: firstly, the upward flow activated carbon adsorption tank has good expansion rate, the expansion rate of the upward flow activated carbon adsorption tank can reach 30% -50%, the higher expansion rate can ensure that the activated carbon can fully play a role, and the removal rate of organic matters is improved; secondly, the upward flow activated carbon adsorption tank has high use efficiency, high flow speed and small occupied area; thirdly, the loss of the water head of the upward flow activated carbon adsorption tank is relatively small and is about 1.0m to 1.2 m.
Although the treatment effect of the upward flow activated carbon adsorption tank is good, the upward flow activated carbon adsorption tank is often independently arranged, comprises equipment for water inlet, water production and the like, is long in connecting pipeline with a sand tank, occupies a large area, has high head loss and is poor in tank type combinability with a subsequent treatment process.
Disclosure of Invention
The utility model aims at the above problem, a charcoal sand shuangpin filtering pond is provided for charcoal pond and sand pond combine the water distribution even, and the effective filter area of pond type is big.
The purpose of the utility model can be realized by the following technical scheme: a carbon sand double-spliced filter tank comprises a tank body and is characterized in that a carbon tank and a sand tank are arranged in the tank body, a plurality of water collecting tanks are arranged at the upper part of the carbon tank, partition walls are arranged between the carbon tank and the sand tank, partition wall open holes corresponding to the positions of the water collecting tanks are formed in the partition walls, a central channel of the sand tank penetrates through the middle of the sand tank, and V-shaped grooves are formed in two side walls of the sand tank respectively; one side of the carbon pond is provided with a water inlet main canal, and one side of the sand pond is provided with a sand pond drain pipe.
Preferably, total inlet channel and the branch canal of intaking are linked together, separate through the single check weir of intaking between, and the charcoal pond bottom is equipped with charcoal pond water distribution ditch, and the single check weir bottom of intaking links to each other with charcoal pond water distribution ditch through the single check inlet tube of vertical setting, is equipped with the electronic butterfly valve of intaking on the single check inlet tube, and the active carbon layer has been laid to the charcoal pond bottom.
Furthermore, a sand filter material layer is laid at the bottom of the sand pool, a sand pool water outlet chamber is arranged at the lower part of the sand filter material layer, a sand pool water discharging channel is arranged at the upper layer of the central channel, a sand pool water and gas distributing channel is arranged below the sand pool water discharging channel, the sand pool water and gas distributing channel is connected with a sand pool water outlet pipe, and the sand pool water discharging channel is connected with a sand pool water discharging pipe through a sand pool water discharging valve.
Compared with the prior art, the technical scheme of the utility model except whole technical scheme's improvement, still include the improvement in the aspect of many details, particularly, have following beneficial effect:
1. the improved scheme of the utility model is that a carbon pool and a sand pool are arranged in a pool body, a plurality of water collecting tanks are arranged on the upper part of the carbon pool, the carbon pool and the sand pool are communicated through a partition wall opening, a central channel of the sand pool is arranged in the middle of the sand pool, and V-shaped grooves are respectively arranged on two side walls of the sand pool;
2. the carbon tank of the utility model is not provided with a central canal, the filtering area is arranged in the carbon tank, and for the water treatment system with the same scale, the number of the carbon sand double-spliced filtering tanks required to be arranged is small, the structure is compact, and the construction progress is fast;
3. the utility model discloses a reasonable compact pond type is arranged, has solved present internal charcoal pond and sand pond and has lacked suitable pond type structure, and the water distribution is difficult to evenly and the filtering pond cost is high, the restricted problem of single pond macro-scale development.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along the line a-a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
The labels in the figure are as follows:
1, a main water inlet channel, 2 single-lattice water inlet weirs, 3 water inlet sub-channels, 4 single-lattice water inlet pipes, 6 water inlet electric butterfly valves, 7 carbon pool water and gas distribution channels, 8 active carbon layers and 9 water collecting grooves;
12 partition wall openings, 13 water guide grooves, 14V-shaped grooves, 15 sand filter material layers, 16 sand pool water outlet chambers, 17 sand pool water and gas distribution channels and 18 sand pool gas flushing pipes;
20 sand pond outlet pipes, 21 sand pond drain valves, 22 carbon ponds, 23 sand ponds, 24 sand pond drain pipes, 25 carbon pond gas flushing pipes and 26 sand pond drain channels.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
As shown in fig. 1, a charcoal sand double-spliced filter tank comprises a tank body, which is different from the prior art in that a charcoal tank and a sand tank are arranged in the tank body, a plurality of water collecting tanks 9 are arranged at the upper part of the charcoal tank, partition walls are arranged between the charcoal tank and the sand tank, partition wall openings 12 corresponding to the positions of the water collecting tanks are arranged on the partition walls, a central channel of the sand tank is arranged in the middle of the sand tank, the central channel penetrates through the sand tank, V-shaped grooves 14 are respectively arranged on two side walls of the sand tank, and the V-shaped grooves are communicated with the partition wall openings through water guide grooves 13; one side of the carbon pond is provided with a water inlet main canal 1, and one side of the sand pond is provided with a sand pond drain pipe 24. The water collecting tank is a carbon pool water collecting finger-shaped tank 9.
Particularly, the utility model discloses a charcoal sand shuangpin filtering pond, the partition wall of charcoal pond and sand pond separates, indicates trompil UNICOM sand pond of type groove on the partition wall through the vertical catchment on charcoal pond upper portion. The water to be treated enters a water inlet main channel positioned at the upper part of one side of the carbon pool, is distributed to the double-spliced filter tanks through a water inlet weir and then enters a water and gas distribution channel at the bottom of the carbon pool downwards, is treated by an activated carbon layer from bottom to top and then is collected by a longitudinal water collecting finger-shaped groove at the upper part of the carbon pool, enters the sand pool from the upper part of the carbon pool through a water passing hole on the partition wall, and is filtered by the sand layer from top to bottom to discharge water. In the process of the double-spliced filter tank treatment, water to be treated is firstly downward, then upward and then downward, and is in a side S-shaped streamline.
Because the filter tank is a combined tank type of an upward flow activated carbon adsorption tank and a sand filter tank, the front half part of the carbon-sand double-spliced filter tank is a carbon tank with water inlet at the bottom and water outlet at the upper part, and the rear half part of the carbon-sand double-spliced filter tank is a sand tank with water inlet at the upper part and water outlet at the lower part. The carbon pool of the carbon sand double-spliced filter pool is not provided with the central channel, the effective filter area of the pool type is larger, the arrangement is reasonable and compact, the occupied area is small, the investment is small, and the flexibility of the combination arrangement with other water purification structures is higher.
Example 1
A carbon pool and a sand pool are arranged in the pool body, 3-6 water collecting tanks which are arranged in parallel are arranged at the upper part of the carbon pool, a partition wall is arranged between the carbon pool and the sand pool, partition wall open holes corresponding to the positions of the water collecting tanks are arranged on the partition wall, a central channel of the sand pool which penetrates through the middle part of the sand pool is arranged at the middle part of the sand pool, V-shaped grooves are respectively arranged on two side walls of the sand pool, and the V-shaped grooves are communicated with the open holes of the partition wall through water guide grooves; one side of the carbon tank is provided with a water inlet main canal, and one side of the sand tank is provided with a sand tank drain pipe
The main water inlet channel is communicated with the water inlet distribution channel, the main water inlet channel and the water inlet distribution channel are separated through the single-lattice water inlet weir, the bottom of the carbon pool is provided with a carbon pool water and gas distribution channel, the bottom of the single-lattice water inlet weir is connected with the carbon pool water and gas distribution channel through a vertically arranged single-lattice water inlet pipe, the single-lattice water inlet pipe is provided with a water inlet electric butterfly valve, and the bottom of the carbon pool is paved with an activated carbon layer. The carbon pool is not provided with a central channel, the filtering area is arranged in the carbon pool, and water and air are injected into the carbon pool from the bottom of the carbon pool to the bottom of the carbon pool through a bottom carbon pool water and air distribution channel which is arranged below the bottom plate of the filter pool and is positioned in the middle of the carbon pool.
The sand filtering material layer is laid at the bottom of the sand pool, the sand pool water outlet chamber is arranged at the lower part of the sand filtering material layer, the sand pool drainage channel is arranged at the upper layer of the central channel, the sand pool water distribution channel is arranged below the sand pool drainage channel, the sand pool water distribution channel is connected with the sand pool water outlet pipe in a matched mode, and the sand pool drainage channel is connected with the sand pool water outlet pipe through the sand pool drain valve. The flushing periods of the carbon pool and the sand pool can be different, but the carbon pool is selected to be flushed together when the sand pool is flushed. The carbon pool washing drainage enters the sand pool from the water collecting tank and then is drained through the sand pool drainage channel.
The top of the sand pool water and gas distribution channel is provided with a sand pool gas flushing pipe, the top of the sand pool water and gas distribution channel is designed in an inclined mode, and the water inlet end of the sand pool water and gas distribution channel is higher than the water outlet end.
The partition wall is provided with a hole and a V-shaped groove, the hole is connected with the V-shaped groove through a water chute, and the V-shaped angle of the V-shaped groove is 30-60 degrees.
Example 2
As shown in fig. 1, 2 and 3, an embodiment of a double-spliced carbon sand filter tank in which the sand tank is a V-shaped filter tank includes at least one double-spliced carbon sand filter tank, which is formed by combining an upward flow activated carbon adsorption tank and a sand tank 23 into a whole, wherein the front half part is a carbon tank 22, the rear half part is a sand tank 23, and the carbon tank 22 and the sand tank 23 are separated by a partition wall and are communicated only through partition wall openings 12 corresponding to a water collection finger-shaped tank of the carbon tank.
During water treatment, water to be treated enters the water inlet sub-channel 3 through the water inlet main channel 1 and the turning water passes through the single-lattice water inlet weir 2 and enters the carbon pond through the single-lattice water inlet pipe 4, and the single-lattice water inlet pipe 4 is provided with the water inlet electric butterfly valve 6 to control the water inlet of each lattice carbon sand double-spliced filter pond. The water to be treated enters a carbon pool water and gas distribution channel 7 at the bottom of the carbon pool and enters an active carbon layer 8 through a carbon pool water and gas distribution system. The water adsorbed by the activated carbon layer 8 is collected by the carbon pool water-collecting finger-shaped groove, enters the sand pool through the carbon pool water outlet hole 12, enters the V-shaped groove 14 of the sand pool through the water guide groove 13, passes through the sand filter material layer 15 from top to bottom, enters the sand pool water outlet chamber 16, flows through the back-flushing sand pool water and gas distribution channel 17 at the lower layer of the central channel, and then is discharged from the sand pool water outlet pipe 20.
The carbon-sand double-spliced filter tank also comprises a back washing system of the carbon tank and the sand tank, the carbon tank is only air-washed, and the water washing is carried out by using the inlet water to be treated. Pressure air enters the carbon pool from the single-lattice water inlet pipe 4 through the carbon pool air flushing pipe 25, the air enters the carbon layer through the carbon pool water and air distribution channel 7, and the air after air flushing is finished is directly discharged into the air. After the air washing is finished, water is normally fed into the carbon pool, the biomembrane on the activated carbon is forcibly scrubbed and falls off by the air washing due to the air washing process, the water inlet valve is opened after the air washing, the initial effluent turbidity is high, the water is discharged, the water is collected by the water collecting tank 9, enters the sand pool 23, then enters the V-shaped groove 14 of the sand pool through the water guide groove 13, and is discharged through the sand pool water discharge channel 26. The back washing of the sand pool comprises air washing and water back washing, pressure air enters the sand pool water and gas distribution channel 17 from the sand pool air washing pipe 18, and the air is directly discharged into the air after passing through the sand filter material layer 15. The pressure water enters the water and gas distribution channel 17 from the water outlet pipe 20 of the sand pool, and after passing through the sand filtering material layer 15, the backwashing wastewater is collected by the upper drainage channel 26 of the central channel and is discharged through the drainage valve 21 of the sand pool and the drainage pipe 24 of the sand pool.
When the sand tank 23 is flushed, the carbon tank 22 may not be flushed, and when the carbon tank 22 is flushed, the sand tank 23 should be flushed together. When the sand tank 23 is backwashed and the carbon tank 22 is not flushed, the water inlet electric butterfly valve 6 is closed, the sand tank 23 is subjected to air flushing, water flushing is performed after the air flushing is finished, meanwhile, the water inlet electric butterfly valve 6 is opened, water from the carbon tank 22 flows into the V-shaped groove 14 of the sand tank through the water guide groove 13, surface cleaning is performed on the sand tank through the water distribution holes in the V-shaped groove 14, the drain valve 21 is closed after the flushing is finished, the water production valve or the initial filter valve of the sand tank is opened, and formal operation is started after the water quality is qualified. When the sand tank 23 and the carbon tank 22 are washed together, the water inlet electric butterfly valve 6 is closed, the air flushing is carried out respectively, the water inlet electric butterfly valve 6 is opened after the air flushing is finished, meanwhile, the sand tank 23 is flushed, the water outlet of the carbon tank 22 enters the V-shaped groove 14 of the sand tank through the water guide groove 13, the sand tank 23 is subjected to surface cleaning through the water distribution holes in the V-shaped groove 14, the drain valve 21 is closed after the flushing is finished, the water production valve or the primary filter valve of the sand tank is opened, and the formal operation is started after the water quality is qualified.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention shall include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art, and shall be subject to the appended claims.
Claims (5)
1. A carbon sand double-spliced filter tank comprises a tank body and is characterized in that a carbon tank and a sand tank are arranged in the tank body, a plurality of water collecting tanks are arranged at the upper part of the carbon tank, partition walls are arranged between the carbon tank and the sand tank, partition wall open holes corresponding to the positions of the water collecting tanks are formed in the partition walls, a central channel of the sand tank penetrates through the middle of the sand tank, and V-shaped grooves are formed in two side walls of the sand tank respectively; one side of the carbon pond is provided with a water inlet main canal, and one side of the sand pond is provided with a sand pond drain pipe.
2. A carbon-sand double-spliced filter according to claim 1, wherein the main water inlet channel is communicated with the water inlet sub-channel and is separated from the water inlet sub-channel by a single-lattice water inlet weir, the bottom of the carbon pool is provided with a carbon pool water and gas distribution channel, the bottom of the single-lattice water inlet weir is connected with the carbon pool water and gas distribution channel by a vertically arranged single-lattice water inlet pipe, the single-lattice water inlet pipe is provided with a water inlet electric butterfly valve, and the bottom of the carbon pool is paved with an activated carbon layer.
3. A carbon-sand double-spliced filter chamber as claimed in claim 1, wherein a sand filtering material layer is laid at the bottom of the sand pool, a sand pool water outlet chamber is arranged at the lower part of the sand filtering material layer, a sand pool water discharging channel is arranged at the upper layer of the central channel, a sand pool water and gas distributing channel is arranged below the sand pool water discharging channel, the sand pool water and gas distributing channel is connected with a sand pool water outlet pipe, and the sand pool water discharging channel is connected with the sand pool water discharging pipe through a sand pool water discharging valve.
4. A carbon and sand double-spliced filter as claimed in claim 3, wherein the top of the sand pool distribution and distribution channel is provided with a sand pool air flushing pipe, the top of the sand pool distribution and distribution channel is designed in an inclined manner, and the water inlet end of the sand pool distribution and distribution channel is higher than the water outlet end.
5. A carbon and sand double-spliced filter chamber as claimed in claim 1, wherein the opening of the partition wall is connected with the V-shaped groove through a water chute, and the V-shaped angle of the V-shaped groove is 30-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022468627.3U CN214528568U (en) | 2020-10-30 | 2020-10-30 | Carbon sand double-spliced filter tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022468627.3U CN214528568U (en) | 2020-10-30 | 2020-10-30 | Carbon sand double-spliced filter tank |
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| Publication Number | Publication Date |
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| CN214528568U true CN214528568U (en) | 2021-10-29 |
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| CN202022468627.3U Active CN214528568U (en) | 2020-10-30 | 2020-10-30 | Carbon sand double-spliced filter tank |
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