CN214528570U - Combined filter of carbon filter and sand filter - Google Patents
Combined filter of carbon filter and sand filter Download PDFInfo
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- CN214528570U CN214528570U CN202022474057.9U CN202022474057U CN214528570U CN 214528570 U CN214528570 U CN 214528570U CN 202022474057 U CN202022474057 U CN 202022474057U CN 214528570 U CN214528570 U CN 214528570U
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Abstract
The utility model provides a combination filtering pond in charcoal filtering pond and sand filtering pond, including the check number the same, the same upward flow active carbon filtering pond and the sand filtering pond that all has single check center canal of width respectively become one row, arrange side by side, the centre forms the piping lane, wherein the product water in charcoal filtering pond and the intaking in sand filtering pond all towards middle piping lane, form the opposition, the main canal of charcoal filtering pond product water and the main canal of sand filtering pond intaking pass through pipeline or channel connection. The utility model discloses an upward flow charcoal pond and sand pond with central canal make up, provide a new combination filtering pond, can effectively avoid setting up middle elevator pump room, practice thrift cost and energy consumption. The upward carbon filter and the sand filter are combined, so that land and construction cost are saved, and management cost is reduced.
Description
Technical Field
The utility model relates to a water treatment technical field is a combination filtering pond mode that is applicable to among municipal water supply, drainage and the special water treatment, specifically is a combination filtering pond in charcoal filtering pond and sand filter.
Background
With the development of national economy and the increasing demand of people for water quality, the conventional treatment process superposition advanced treatment is quite common in the field of water treatment. Because the ozone biological activated carbon process has better removal effect on organic matters and ammonia nitrogen, the activated carbon filter is more adopted in advanced treatment.
At present, the traditional downward flow activated carbon filter is commonly used, and the upward flow activated carbon filter has the advantages of high expansion rate of filter materials, good organic matter removal effect, high use efficiency, capability of eliminating an intermediate booster pump station and the like.
If the upward flow activated carbon filter is combined with a sand filter in the conventional treatment process, the removal effect of organic matters, ammonia nitrogen and turbidity can be effectively guaranteed, and meanwhile, the layout is optimized, and the land and construction cost is saved. In the application of the upward flow carbon filter, the carbon filter without a central channel is mostly adopted, so that the sand filter used in a matching way is usually a turnover plate filter without the central channel. The most common sand filter pool in a water supply plant is a V-shaped filter pool, and in the combination of the carbon sand filter pools, the carbon filter pool without a central channel can restrict the width of a single-lattice pool, so that the effective filtering width of the V-shaped filter pool is limited. Therefore, the application and development of the carbon sand filter are restricted to a certain extent by the carbon filter without the central canal.
SUMMERY OF THE UTILITY MODEL
The utility model provides a combined filter chamber of a carbon filter chamber and a sand filter chamber, which solves the problem of the prior art.
The technical scheme of the utility model is that: a combined filter chamber of a carbon filter chamber and a sand filter chamber comprises the carbon filter chamber and the sand filter chamber which have the same grid number and width and are provided with single-grid central channels, and is characterized in that the carbon filter chamber is an upward flow activated carbon filter chamber, the carbon filter chamber and the sand filter chamber are respectively arranged in a row and are arranged side by side, a pipe gallery is formed in the middle, and a water production end of the carbon filter chamber and a water inlet end of the sand filter chamber face the middle pipe gallery to form opposite positions; the carbon filter water production main canal and the sand filter water inlet main canal are connected in the pipe gallery through a pipeline or a channel;
a central canal is arranged in the middle of the carbon filter, a water and air distribution system, a supporting layer and an active carbon filter layer are arranged on two sides of the central canal from bottom to top, and a water collection tank of the carbon filter is arranged above the active carbon filter layer; the central channel is divided into three layers, namely an upper layer water production and drainage channel of the carbon filter, a central channel of the carbon filter and a bottom layer water and gas distribution channel of the carbon filter from top to bottom; the carbon filter tank water inlet main channel is connected with the carbon filter tank water inlet channel through a single-grid water inlet weir, the carbon filter tank water inlet channel is connected to a bottom water and gas distribution channel through a carbon filter tank water inlet pipe, the bottom water and gas distribution channel is communicated with a water and gas distribution system, an upper layer produced water drainage channel is communicated with a carbon filter tank water collection groove, one end of the upper layer produced water drainage channel is provided with a single-grid water weir connected to the carbon filter tank water production main channel, the other end of the upper layer produced water drainage channel is provided with a drainage valve connected to the carbon filter tank drainage channel, and a carbon filter tank backflushing air pipe is connected to the carbon filter tank bottom water and gas distribution channel from the lower side of the carbon filter tank water production main channel;
a central channel is arranged in the middle of the sand filter, and a water and gas distribution system, a supporting layer and a sand filter layer are arranged on two sides of the central channel from bottom to top; the central channel is divided into three layers, namely a sand filter central channel drainage channel, a sand filter central channel and a sand filter bottom water and gas distribution channel from top to bottom; the sand filter water inlet main channel is communicated with the sand filter through a water inlet branch channel, and the sand filter water and air distribution system is communicated with a sand filter bottom layer water and air distribution channel; one end of a water and gas distribution channel at the bottom layer of the sand filter is connected to a water production well through a water production pipe of the sand filter; the sand filter backflushing air pipe is connected to a sand filter bottom layer water and gas distribution channel from the lower side of a sand filter water inlet main channel, and a sand filter backflushing water pipe is connected with a sand filter water production pipe.
Further, charcoal filtering pond drain canal sets up in the charcoal filtering pond outside, and product canal and recoil trachea set up in the piping lane side, and the main canal setting of intaking in the charcoal filtering pond is folded on charcoal filtering pond drain canal in the charcoal filtering pond outside, or folds on producing the canal towards the piping lane, and the inlet channel in sand filtering pond, product canal, recoil trachea and recoil trachea set up in the central pipe gallery side, and the drain pipe setting is in the sand filtering pond outside.
Furthermore, the sand filter adopts a V-shaped filter or a common fast filter with air-water back flushing.
Preferably, the activated carbon filter is upward flow filtration, the upward flow rate range is matched with the particle grading of the carbon layer, the carbon layer basically flows during filtration, and the expansion height of the activated carbon filter is lower than the bottom of the water collecting tank, so that carbon particle loss is avoided.
Further, a water inlet butterfly valve is arranged on a water inlet pipe of the carbon filter, and an air inlet butterfly valve is arranged on a backflushing air pipe of the carbon filter; a water inlet gate valve is arranged on a connecting pipe from the sand filter inlet main channel to the inlet branch channel, an air inlet butterfly valve is arranged on a sand filter backflushing air pipe, and a water inlet butterfly valve is arranged on the sand filter backflushing water pipe.
Preferably, the water collecting tank of the carbon filter tank is a stainless steel square tank or a tank made of other materials.
The utility model has the advantages of it is following: 1. the up-flow activated carbon filter has high expansion rate, ensures the activated carbon to fully play a role, improves the removal efficiency of organic matters and ammonia nitrogen, and can improve the advanced treatment efficiency by combining the sand filter and the up-flow activated carbon filter; 2. the loss of the water head of the up-flow carbon filter is small, the additional arrangement of a middle lifting pump room can be effectively avoided, and the manufacturing cost and the energy consumption are saved. The upward carbon filter and the sand filter are combined, so that land and construction cost are saved, and management cost is reduced; 3. the limit that the width of a single-lattice tank of the carbon filter is restricted because the carbon filter is not provided with a central channel is broken through, the combination of the carbon and sand filter is more flexible, and the application and the popularization are convenient.
Drawings
Fig. 1 is a plan view of the combined filter of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 1.
Fig. 4 is a cross-sectional view taken along line C-C of fig. 1.
Detailed Description
The utility model discloses the combination filtering pond is upward flow active carbon filter 1 and sand filter 2 of the same width of same check number one row separately, arranges side by side, and the centre forms piping lane 3. The upward flow activated carbon filter with the central canal can be in various forms, and the embodiment only shows the arrangement of the carbon sand filter. A carbon filter water inlet main channel 10 and a carbon filter water discharge channel 17 are arranged on the outer side of the carbon filter, and a carbon filter water production main channel 15 and a carbon filter backflushing air pipe 18 are arranged on the side of a central pipe gallery; the sand filter inlet main canal 22, the sand filter water production main canal 27, the sand filter backflushing air pipe 29 and the sand filter backflushing water pipe 28 are all arranged on the side of the central pipe gallery, and the sand filter drain canal 30 is arranged on the outer side of the sand filter. The single-lattice up-flow activated carbon filter and the sand filter are both provided with a central canal (the carbon filter comprises a carbon filter central canal 4, a carbon filter upper layer water production and drainage canal 5, a carbon filter bottom layer water and gas distribution canal 6, and the sand filter comprises a sand filter central canal 7, a sand filter bottom layer water and gas distribution canal 8 and a sand filter central canal drainage groove 9).
A water and air distribution system 19, a supporting layer 20 and an active carbon filtering layer 21 are arranged on two sides of the central canal of the carbon filtering pool from bottom to top, and a water collecting tank 13 of the carbon filtering pool is arranged above the active carbon filtering layer 21; the carbon filter water inlet main channel 10 is connected with a single-grid water inlet channel 11 through a single-grid water inlet weir, and then is connected to a carbon filter bottom water and gas distribution channel 6 through a carbon filter water inlet pipe 12, the carbon filter bottom water and gas distribution channel 6 is communicated with a water and gas distribution system 19, a carbon filter upper layer produced water drainage channel 5 is communicated with a carbon filter water collecting tank 13, one end of the carbon filter upper layer produced water drainage channel 5 is provided with a single-grid water production weir 14 and is connected to a carbon filter produced water main channel 15, the other end is provided with a water drainage valve 16 and is connected to a carbon filter drainage channel 17, and a carbon filter backflushing air pipe 18 is connected to the carbon filter bottom water and gas distribution channel 6 from the lower side of the carbon filter produced water main channel 15.
A central canal is arranged in the middle of the sand filter, and a sand filter layer 31, a supporting layer 32 and a sand filter water and air distribution system 33 are arranged on two sides of the central canal from top to bottom; the sand filter water inlet main channel 22 is communicated with the sand filter through the water inlet branch channel 23, and the sand filter water and air distribution system 33 is communicated with the sand filter bottom water and air distribution channel 8; one end of a water and gas distribution channel 8 at the bottom layer of the sand filter is connected to a water production well 26 through a sand filter water production pipe 25; the sand filter backflushing air pipe 29 is connected to the sand filter bottom layer water and gas distribution channel 8 from the lower side of the sand filter water inlet main channel, and the sand filter backflushing water pipe 28 is connected with the sand filter water production pipe 25.
The outlet water of the carbon filter is connected with the inlet water of the sand filter through a communicating main pipe. The water produced by the single-lattice carbon filter tank turns over through the single-lattice water producing weir 14, enters the carbon filter tank water producing main channel 15, and enters the sand filter tank water inlet main channel 22 through the communicating main pipe. The communication manifold may be disposed at the tube lane end.
A water inlet valve is arranged on a water inlet pipe of the carbon filter, and an air inlet butterfly valve is arranged on a backflushing air pipe of the carbon filter; a water inlet gate valve is arranged on a connecting pipe from the sand filter inlet main channel 22 to the water inlet branch channel 23, an air inlet butterfly valve is arranged on a sand filter backflushing air pipe, and a water inlet butterfly valve is arranged on the sand filter backflushing water pipe.
When the upward flow activated carbon filter filtering process is operated, the water inlet valve is opened, and the water discharge valve 16 is closed. Water to be treated flows from a carbon filter inlet main channel 10 to a single-grid inlet channel 11 through a single-grid inlet weir, then flows from the bottom of the filter through a carbon filter inlet pipe 12 and a central channel bottom water and gas distribution channel 6, flows from bottom to top in sequence through a filter bottom water and gas distribution system 19, a supporting layer 20 and an active carbon filter layer 21, filtered water enters an upper-layer water production and drainage channel 5 through a carbon filter water collecting tank 13 and enters a carbon filter water production main channel 15 through a single-grid water production weir 14 to form normal water outlet, and the carbon water is connected with a sand filter inlet channel through a communication main pipe.
When the sand filter filtering process is operated, the water inlet valve is opened, and the water discharge valve is closed. The carbon water from the communicating main pipe enters the water inlet sub-channel 23 through the sand filter water inlet main channel 22, is further distributed through the water inlet groove 24, then passes through the sand filter layer 31, the supporting layer 32 and the water and gas distribution system 33, and the produced water is sent to the water production well 26 through the sand filter water production pipe 25 and then is merged into the sand filter water production main channel 27.
When the upward flow activated carbon filter is back flushed, air (air) is adopted to flush and flush wastewater is discharged. When air is flushed, the water inlet valve is closed, the carbon filter backflushing air pipe 18 is connected from the lower side of the carbon filter water production main channel 15, and the air flow direction sequentially penetrates through the bottom water and air distribution system 19, the supporting layer 20 and the activated carbon filter layer 21 from bottom to top; after the air flushing is stopped, the water inlet valve is opened to form water flushing, flushing wastewater is collected by the carbon filter water collecting tank 13 and enters the carbon filter water draining channel 17 through the water draining valve 16 of the upper layer produced water draining channel 5 of the central channel.
When the sand filter is back flushed, air flushing, water flushing and surface sweeping are adopted. And when the air is flushed, the water inlet valve is closed. The backflushing air pipe 29 positioned on the side of the pipe gallery of the single-lattice sand filter is connected from the lower side of the water inlet main channel 22 of the sand filter, and the air flow direction sequentially passes through the water and air distribution system 33, the supporting layer 32 and the sand filter layer 31 from bottom to top; when the water is flushed, the sand filter chamber backflush water flows out from the bottom to the top through the backflush water pipe 28 positioned in the pipe gallery. Backwash wastewater and surface-swept rinse wastewater are collected by the central channel drain tank 26 and drained through a drain valve to the sand filter drain channel 30.
Claims (5)
1. A combined filter chamber of a carbon filter chamber and a sand filter chamber comprises the carbon filter chamber and the sand filter chamber which have the same grid number and width and are provided with single-grid central channels, and is characterized in that the carbon filter chamber is an upward flow activated carbon filter chamber, the carbon filter chamber and the sand filter chamber are respectively arranged in a row and are arranged side by side, a pipe gallery is formed in the middle, and a water production end of the carbon filter chamber and a water inlet end of the sand filter chamber face the middle pipe gallery to form opposite positions; the carbon filter water production main canal and the sand filter water inlet main canal are connected in the pipe gallery through a pipeline or a channel;
a central canal is arranged in the middle of the carbon filter, a water and air distribution system, a supporting layer and an active carbon filter layer are arranged on two sides of the central canal from bottom to top, and a water collection tank of the carbon filter is arranged above the active carbon filter layer; the central channel is divided into three layers, namely an upper layer water production and drainage channel of the carbon filter, a central channel of the carbon filter and a bottom layer water and gas distribution channel of the carbon filter from top to bottom; the carbon filter tank water inlet main channel is connected with the carbon filter tank water inlet channel through a single-grid water inlet weir, the carbon filter tank water inlet channel is connected to a bottom water and gas distribution channel through a carbon filter tank water inlet pipe, the bottom water and gas distribution channel is communicated with a water and gas distribution system, an upper layer produced water drainage channel is communicated with a carbon filter tank water collection groove, one end of the upper layer produced water drainage channel is provided with a single-grid water weir connected to the carbon filter tank water production main channel, the other end of the upper layer produced water drainage channel is provided with a drainage valve connected to the carbon filter tank drainage channel, and a carbon filter tank backflushing air pipe is connected to the carbon filter tank bottom water and gas distribution channel from the lower side of the carbon filter tank water production main channel;
a central channel is arranged in the middle of the sand filter, and a water and gas distribution system, a supporting layer and a sand filter layer are arranged on two sides of the central channel from bottom to top; the central channel is divided into three layers, namely a sand filter central channel drainage channel, a sand filter central channel and a sand filter bottom water and gas distribution channel from top to bottom; the sand filter water inlet main channel is communicated with the sand filter through a water inlet branch channel, and the sand filter water and air distribution system is communicated with a sand filter bottom layer water and air distribution channel; one end of a water and gas distribution channel at the bottom layer of the sand filter is connected to a water production well through a water production pipe of the sand filter; the sand filter backflushing air pipe is connected to a sand filter bottom layer water and gas distribution channel from the lower side of a sand filter water inlet main channel, and a sand filter backflushing water pipe is connected with a sand filter water production pipe.
2. A combined filter according to claim 1, wherein the carbon filter drain channel is provided on the outside of the carbon filter, the water production channel and the backwash air pipe are provided on the side of the pipe gallery, the water inlet main channel of the carbon filter is provided on the outside of the carbon filter to be stacked on the carbon filter drain channel or on the water production channel toward the pipe gallery, the water inlet channel, the water production channel, the backwash air pipe and the backwash water pipe of the sand filter are provided on the side of the central pipe gallery, and the water discharge pipe is provided on the outside of the sand filter.
3. The combined filter according to claim 1, wherein the sand filter is a V-shaped filter or a common fast filter with air-water back flushing.
4. The combined filter tank of claim 1, wherein a water inlet butterfly valve is arranged on a water inlet pipe of the carbon filter tank, and an air inlet butterfly valve is arranged on a backflushing air pipe of the carbon filter tank; the connecting pipe from the sand filter inlet main channel to the inlet branch channel is provided with a water inlet gate valve, the sand filter backflushing air pipe is provided with an air inlet butterfly valve, and the sand filter backflushing water pipe is provided with a water inlet butterfly valve.
5. The combined filter tank of claim 1, wherein the water collecting tank of the carbon filter tank adopts a stainless steel square tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022474057.9U CN214528570U (en) | 2020-10-30 | 2020-10-30 | Combined filter of carbon filter and sand filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022474057.9U CN214528570U (en) | 2020-10-30 | 2020-10-30 | Combined filter of carbon filter and sand filter |
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| CN214528570U true CN214528570U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022474057.9U Active CN214528570U (en) | 2020-10-30 | 2020-10-30 | Combined filter of carbon filter and sand filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114890571A (en) * | 2022-06-24 | 2022-08-12 | 上海市政工程设计研究总院（集团）有限公司 | Reverse series connection carbon sand filter tank and water filtering method |
| CN114890570A (en) * | 2022-06-24 | 2022-08-12 | 上海市政工程设计研究总院（集团）有限公司 | Reverse series connection carbon sand filter tank and water filtering method |
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2020
- 2020-10-30 CN CN202022474057.9U patent/CN214528570U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114890571A (en) * | 2022-06-24 | 2022-08-12 | 上海市政工程设计研究总院（集团）有限公司 | Reverse series connection carbon sand filter tank and water filtering method |
| CN114890570A (en) * | 2022-06-24 | 2022-08-12 | 上海市政工程设计研究总院（集团）有限公司 | Reverse series connection carbon sand filter tank and water filtering method |
| CN114890571B (en) * | 2022-06-24 | 2023-10-13 | 上海市政工程设计研究总院（集团）有限公司 | Reverse series connection carbon sand filter tank and water filtering method |
| CN114890570B (en) * | 2022-06-24 | 2024-04-16 | 上海市政工程设计研究总院（集团）有限公司 | Reverse series connection carbon sand filter tank and water filtering method |
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