CN210261448U - Trapezoidal composite flow artificial rapid infiltration tank and sewage treatment system thereof - Google Patents
Trapezoidal composite flow artificial rapid infiltration tank and sewage treatment system thereof Download PDFInfo
- Publication number
- CN210261448U CN210261448U CN201920580906.3U CN201920580906U CN210261448U CN 210261448 U CN210261448 U CN 210261448U CN 201920580906 U CN201920580906 U CN 201920580906U CN 210261448 U CN210261448 U CN 210261448U
- Authority
- CN
- China
- Prior art keywords
- channel
- layer
- rapid infiltration
- water distribution
- trapezoidal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a trapezoidal composite flow artificial rapid infiltration tank and a sewage treatment system thereof; the high-permeability filter comprises a high-permeability cell body, wherein a middle high-permeability channel and water distribution ditches arranged at two sides of the middle high-permeability channel are arranged in the high-permeability cell body, a perforated guide plate is vertically arranged between the middle high-permeability channel and the water distribution ditches, the middle high-permeability channel is divided into a bottom channel and an upper channel from bottom to top, a lower geotechnical filter screen is laid between the bottom channel and the upper channel, a high-permeability packing layer and a pebble protective layer are filled in the upper channel, and the upper parts of the pebble protective layer and the high-permeability packing layer are hollow to form an inverted; the system comprises a water inlet pipe, wherein the water inlet pipe is sequentially connected with a grid adjusting tank, a rapid filter tank, a trapezoidal composite flow artificial rapid infiltration device and a water outlet pipe, and the rapid filter tank is connected with the water inlet pipe through a backwashing pipe; the utility model has the characteristics of good nature reoxygenation performance, better pollutant removal effect, the difficult jam of packing, the operation is more stable and easy to maintain management.
Description
Technical Field
The utility model relates to a water treatment technical field, concretely relates to trapezoidal compound flow manual work rapid infiltration layer (TCRI) pond and sewage treatment system thereof.
Background
The artificial fast infiltration system is a novel sewage ecological treatment technology, is developed based on the prior land fast infiltration system, uses a filter medium with good permeability to replace the function of a natural soil layer, and greatly improves the hydraulic load of the system. Because the manual rapid infiltration technology has the advantages of good treatment effect, low construction investment, low operating cost, convenient operation and management and the like, the rapid development and application are realized. For example, Chinese patent CN1676469A discloses an artificial rapid infiltration sewage treatment system; chinese patent CN206783472U discloses an aeration artificial rapid infiltration system for domestic sewage treatment; chinese patent CN105923929A discloses an ecological artificial rapid infiltration system.
In the process of popularization and application of the artificial rapid infiltration technology in recent years, the filler utilization rate of the traditional artificial rapid infiltration system is gradually discovered to be insufficient, and after the traditional artificial rapid infiltration system is operated for a period of time, the filler is easy to block, the treatment efficiency is reduced, and the treatment effect is unstable.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a trapezoidal composite flow artificial rapid infiltration (TCRI) sewage treatment tank and a sewage treatment system thereof. The sewage treatment system has the characteristics of high filler utilization rate, difficult blockage, high treatment efficiency, stable effect and convenient operation and management.
In order to achieve the purpose, the utility model designs a trapezoidal composite flow artificial rapid infiltration pond, which comprises a rapid infiltration pond body, wherein the rapid infiltration pond body comprises a middle rapid infiltration passage and a water distribution ditch arranged at two sides of the middle rapid infiltration passage, a perforation guide plate is vertically arranged between the middle rapid infiltration passage and the water distribution ditch, the bottom surface of the middle rapid infiltration passage is lower than the water distribution ditch, the middle rapid infiltration passage is divided into a bottom passage and an upper passage from bottom to top, a lower geotechnical filter screen is paved between the bottom passage and the upper passage, a diversion blind ditch is arranged in the bottom passage and comprises a diversion layer and a perforation water collection pipe horizontally penetrating through the diversion layer, the upper passage consists of a rectangular passage and an inverted trapezoidal passage, a rapid infiltration packing layer and a pebble protection layer are filled in the upper passage, and the rapid infiltration packing layer is paved in the rectangular passage and the inverted trapezoidal passage, the upper parts of the pebble protective layer and the rapid-permeation packing layer are hollow to form an inverted trapezoidal structure (the upper parts of the pebble protective layer and the rapid-permeation packing layer in the middle rapid-permeation channel are hollow to form an inverted trapezoidal structure, and the acute angle of the inverted trapezoidal structure is slightly smaller than the included angle between the main flow direction and the horizontal direction of seepage, so that water flow can flow through all the packing, and the packing is fully utilized); an upper geotechnical filter screen is arranged between the rapid infiltration filling layer and the pebble protection layer.
Furthermore, the water distribution ditch comprises a security filter layer at the bottom, a perforated water distribution pipe is paved on the security filter layer, and water distribution holes are formed in the perforated water distribution pipe. The side wall of the water distribution ditch adopts a perforated guide plate to ensure even water distribution; the safety filter layer is used for further reducing the content of suspended matters in the inlet water of the subsequent fast infiltration tank. The middle of the upper part of the security filter layer is provided with a perforated water distribution pipe, and the water distribution adopts a spraying water distribution mode.
Still further, the bottom of a security filter layer of the water distribution ditch is higher than the rectangular channel, and the security filter layer is composed of gravel with the thickness of 20-30 cm. The particle size of the gravel is the same as that of the filler of the rapid-permeation packing layer; the thickness and the type of the filler of the rapid-permeation filler layer are comprehensively determined according to the water quality of inlet and outlet water, hydraulic load and the like.
Furthermore, the flow guide layer is formed by pebbles with the thickness of 20-50 cm, and the particle size of the pebbles in the flow guide layer is 30-50 mm; the specifications of the upper-layer geotechnical filter screen and the lower-layer geotechnical filter screen are not less than 200g/m2
Furthermore, the thickness of the pebble protective layer is 8-15 cm, and the particle size is 30-50 mm. The pebble protective layer can protect the shape of the filler pile from being washed and deformed by water flow on one hand, and can prevent external impurities from entering the filler layer to block the filler on the other hand. Water distribution ditches are arranged on two sides of the filter pool, and perforated guide plates are adopted on the side walls of the water distribution ditches to ensure even water distribution.
The number of the trapezoidal composite flow artificial rapid infiltration tanks is determined according to the actual situation, and the tanks are integrated and combined in a parallel or serial mode.
The utility model also provides a trapezoidal composite flow artificial rapid infiltration sewage treatment system, which comprises a water inlet pipe I, wherein the water inlet pipe is sequentially connected with a grid adjusting tank II, a rapid filter tank III, a trapezoidal composite flow artificial rapid infiltration device IV and a water outlet pipe VI, the rapid filter tank III is connected with the water inlet pipe I through a back flushing pipe VII, and the trapezoidal composite flow artificial rapid infiltration device IV is the trapezoidal composite flow artificial rapid infiltration tank;
or, a plurality of the trapezoidal composite flow artificial rapid infiltration ponds are connected end to form the artificial rapid infiltration pond;
or a plurality of the trapezoidal composite flow artificial rapid infiltration ponds are arranged side by side.
Furthermore, the water distribution ditch comprises a security filter layer at the bottom, a perforated water distribution pipe is paved on the security filter layer, and water distribution holes are formed in the perforated water distribution pipe.
Still further, the bottom of a security filter layer of the water distribution ditch is higher than the rectangular channel, and the security filter layer is composed of gravel with the thickness of 20-30 cm.
Furthermore, the flow guide layer is formed by pebbles with the thickness of 20-50 cm, and the particle size of the pebbles in the flow guide layer is 30-50 mm; the specifications of the upper-layer geotechnical filter screen and the lower-layer geotechnical filter screen are not less than 200g/m2
Furthermore, the thickness of the pebble protective layer is 8-15 cm, and the particle size is 30-50 mm.
The utility model has the advantages that:
(1) excellent natural reoxygenation performance
The fast infiltration tank adopts a mode of alternately operating water distribution and drying cycle. In the dry period, sewage can generate larger negative pressure in the filler in the infiltration process, so that air is brought into the filler, sufficient oxygen is provided for a biological film on the filler, and the metabolism of microorganisms is accelerated. The filler can only be got into from filler upper portion plane to traditional artifical rapid infiltration layer system oxygen, and trapezoidal complex flows artifical rapid infiltration layer sewage treatment system can make oxygen get into the filler from cell body both sides and upper portion trapezoidal region, and the scope of nature reoxygenation is wider, and the dimension is bigger, and the nature reoxygenation effect is better.
(2) Better pollutant removal effect
The traditional manual rapid infiltration system generally adopts a vertical infiltration mode, a packing layer is not easy to thicken, otherwise, the packing is easy to block at the later operation stage; on the other hand, the head loss is large. The utility model discloses adopt the slant seepage flow mode according to the seepage flow direction, under the condition of the same discrepancy in elevation, can possess longer infiltration flow, pack also can make full use of more. Meanwhile, the trapezoidal composite flow artificial rapid infiltration tank adopts a spraying water distribution mode in the water distribution period, so that the concentration of dissolved oxygen in water entering the rapid infiltration tank can be increased; has better reoxygenation effect in the dry period. The longer permeation flow and the better natural reoxygenation effect can ensure that the trapezoidal composite flow artificial rapid infiltration sewage treatment system has better pollutant removal effect.
(3) The filler is not easy to block, and the operation is more stable
The utility model discloses a both sides slant mode of intaking because water seepage velocity is slower, and the water body can be stood in the water distribution ditch and deposit the longer time, and the remaining most suspended solid of aquatic is held back the getting rid of once more by security personnel filter layer after can depositing. Therefore, compared with the vertical water inlet mode at the upper part of the traditional artificial rapid infiltration tank, the unique oblique water inlet mode at two sides can ensure that the filler of the trapezoidal composite flow artificial rapid infiltration sewage treatment system is not easy to block and the operation is more stable.
(4) Easy maintenance management
The utility model discloses trapezoidal compound flow manual work oozes pond and combination pond soon and handles the flow simple, and power equipment is few, and is lower to operation managers level requirement, and maintenance management is simple and convenient.
Drawings
FIG. 1 is a schematic structural view of an artificial rapid infiltration tank with trapezoidal composite flow;
FIG. 2 is a trapezoidal composite flow artificial rapid infiltration sewage treatment system;
in the figure, a rapid infiltration tank body 1, a middle rapid infiltration channel 2, a water distribution ditch 3, a security filter layer 3.1, a perforated water distribution pipe 3.2, a perforated guide plate 4, a bottom channel 4.a, an upper channel 4.b, a rectangular channel 4.b1, an inverted trapezoid channel 4.b2, a lower geotechnical filter screen 5, a guide blind ditch 6, a guide layer 6.1, a perforated water collection pipe 6.2, a rapid infiltration packing layer 7, a pebble protection layer 8, an upper geotechnical filter screen 9, a water inlet pipe I, a grid adjusting tank II, a rapid filter tank III, a trapezoid composite flow artificial rapid infiltration device IV, a water outlet pipe VI and a backwash pipe VII.
Detailed Description
The present invention is described in further detail below with reference to specific embodiments so that those skilled in the art can understand the invention.
Example 1
The trapezoidal composite flow artificial rapid infiltration tank shown in figure 1 comprises a rapid infiltration tank body 1, wherein the rapid infiltration tank body 1 comprises a middle rapid infiltration channel 2 and water distribution ditches 3 arranged at two sides of the middle rapid infiltration channel 2, a perforation guide plate 4 is vertically arranged between the middle rapid infiltration channel 2 and the water distribution ditches 3, the bottom surface of the middle rapid infiltration channel 2 is lower than the water distribution ditches 3, the water distribution ditches 3 comprise security filter layers 3.1 at the bottom, perforated water distribution pipes 3.2 are paved on the security filter layers 3.1, and water distribution holes are arranged on the perforated water distribution pipes 3.2; the security filter layer 3.1 is composed of gravel with the thickness of 20-30 cm. The middle rapid infiltration channel 2 is divided into a bottom channel 4.a and an upper channel 4.b from bottom to top, a lower geotechnical filter screen 5 is laid between the bottom channel 4.a and the upper channel 4.b, a diversion blind ditch 6 is arranged in the bottom channel 4.a, the diversion blind ditch 6 comprises a diversion layer 6.1 and a perforated water collecting pipe 6.2 horizontally penetrating through the diversion layer 6.1, and the specification of the diversion blind ditch 6 is 0.3 multiplied by 0.3 m; the flow guide layer 6.1 is formed by pebbles with the thickness of 30cm, and the particle size of the pebbles in the flow guide layer 6.1 is 30-50 mm;
the upper layer channel 4.b consists of a rectangular channel 4.b1 and an inverted trapezoidal channel 4.b2, the bottom of a security filter layer 3.1 of the water distribution ditch 3 is higher than that of the rectangular channel 4.b1, the upper layer channel 4.b is filled with a fast permeation packing layer 7 and a pebble protection layer 8, the fast permeation packing layer 7 is paved in the rectangular channel 4.b1 and the inverted trapezoidal channel 4.b2, and the upper parts of the pebble protection layer 8 and the fast permeation packing layer 7 are hollow to form an inverted trapezoidal structure; the thickness of the pebble protection layer 8 is 10cm, and the particle size is 30-50 mm; an upper geotechnical filter screen 9 is arranged between the rapid infiltration filling layer 7 and the pebble protection layer 8. The specifications of the upper geotechnical filter screen 9 and the lower geotechnical filter screen 5 are not less than 200g/m2
The particle size of the gravel is the same as that of the filler of the rapid-permeation packing layer; the thickness and type of the filler of the fast-permeation filler layer 7 are comprehensively determined according to the water quality of inlet and outlet water, hydraulic load and the like.
Example 2
The trapezoidal composite flow artificial rapid infiltration sewage treatment system comprises a water inlet pipe I, wherein the water inlet pipe is sequentially connected with a grid adjusting tank II, a rapid filter tank III, a trapezoidal composite flow artificial rapid infiltration device IV and a water outlet pipe VI, the rapid filter tank III is connected with the water inlet pipe I through a backwash pipe VII, and the trapezoidal composite flow artificial rapid infiltration device IV is the trapezoidal composite flow artificial rapid infiltration tank.
Other parts not described in detail are prior art. Although the above embodiments have been described in detail, it is only a part of the embodiments of the present invention, rather than all embodiments, and other embodiments can be obtained without inventive step according to the present embodiments.
Claims (10)
1. The utility model provides a trapezoidal compound flow manual work rapid infiltration layer pond which characterized in that: the permeable rapid infiltration tank comprises a rapid infiltration tank body (1), wherein a middle rapid infiltration channel (2) and water distribution ditches (3) arranged at two sides of the middle rapid infiltration channel (2) are arranged in the rapid infiltration tank body (1), a perforation guide plate (4) is vertically arranged between the middle rapid infiltration channel (2) and the water distribution ditches (3), the bottom surface of the middle rapid infiltration channel (2) is lower than the water distribution ditches (3), the middle rapid infiltration channel (2) is divided into a bottom channel (4.a) and an upper channel (4.b) from bottom to top, a lower geotechnical filter screen (5) is laid between the bottom channel (4.a) and the upper channel (4.b), a flow guide blind ditch (6) is arranged in the bottom channel (4.a), the flow guide blind ditch (6) comprises a flow guide layer (6.1) and a perforation water collection pipe (6.2) horizontally penetrating through the flow guide layer (6.1), and an upper rectangular channel (4.b) consists of a trapezoidal channel (4.b1) and a reverse channel (2), a fast-permeation packing layer (7) and a pebble protection layer (8) are filled in the upper-layer channel (4.b), the fast-permeation packing layer (7) is paved in the rectangular channel (4.b1) and the inverted trapezoidal channel (4.b2), and the upper parts of the pebble protection layer (8) and the fast-permeation packing layer (7) are hollow to form an inverted trapezoidal structure; an upper geotechnical filter screen (9) is arranged between the rapid-permeation packing layer (7) and the pebble protection layer (8).
2. The artificial rapid infiltration tank with trapezoidal composite flow as claimed in claim 1, wherein: the water distribution ditch (3) comprises a security filter layer (3.1) at the bottom, a perforated water distribution pipe (3.2) is laid on the security filter layer (3.1), and water distribution holes are formed in the perforated water distribution pipe (3.2).
3. The artificial rapid infiltration tank with trapezoidal composite flow as claimed in claim 1, wherein: the bottom of a security filter layer (3.1) of the water distribution ditch (3) is higher than a rectangular channel (4.b1), and the security filter layer (3.1) is composed of gravel with the thickness of 20-30 cm.
4. The artificial rapid infiltration tank with trapezoidal composite flow as claimed in claim 1, wherein: the flow guide layer (6.1) is formed by pebbles with the thickness of 20-50 cm, and the particle size of the pebbles in the flow guide layer (6.1) is 30-50 mm; the specifications of the upper geotechnical filter screen (9) and the lower geotechnical filter screen (5) are not less than 200g/m2。
5. The artificial rapid infiltration tank with trapezoidal composite flow as claimed in claim 1, wherein: the thickness of the pebble protection layer (8) is 8-15 cm, and the particle size is 30-50 mm.
6. The utility model provides an artifical rapid infiltration layer sewage treatment system of trapezoidal complex flow, it includes the inlet tube, the inlet tube has connected gradually quick filtering pond of grid equalizing basin and the artifical rapid infiltration layer device of trapezoidal complex flow and outlet pipe, the filtering pond passes through backwash pipe and advances water piping connection, its characterized in that soon: the trapezoidal composite flow artificial rapid infiltration device is the trapezoidal composite flow artificial rapid infiltration tank of claim 1;
or, a plurality of trapezoidal composite flow artificial rapid infiltration ponds according to claim 1 are connected end to end;
alternatively, a plurality of the artificial rapid infiltration ponds with trapezoidal composite flow as described in claim 1 are arranged side by side.
7. The trapezoidal composite flow artificial rapid infiltration sewage treatment system of claim 6, which is characterized in that: the water distribution ditch (3) comprises a security filter layer (3.1) at the bottom, a perforated water distribution pipe (3.2) is laid on the security filter layer (3.1), and water distribution holes are formed in the perforated water distribution pipe (3.2).
8. The trapezoidal composite flow artificial rapid infiltration sewage treatment system of claim 6, which is characterized in that: the bottom of a security filter layer (3.1) of the water distribution ditch (3) is higher than a rectangular channel (4.b1), and the security filter layer (3.1) is composed of gravel with the thickness of 20-30 cm.
9. The trapezoidal composite flow artificial rapid infiltration sewage treatment system of claim 6, which is characterized in that: the flow guide layer (6.1) is formed by pebbles with the thickness of 20-50 cm, and the particle size of the pebbles in the flow guide layer (6.1) is 30-50 mm; the specifications of the upper geotechnical filter screen (9) and the lower geotechnical filter screen (5) are not less than 200g/m2。
10. The trapezoidal composite flow artificial rapid infiltration sewage treatment system of claim 6, which is characterized in that: the thickness of the pebble protection layer (8) is 8-15 cm, and the particle size is 30-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580906.3U CN210261448U (en) | 2019-04-24 | 2019-04-24 | Trapezoidal composite flow artificial rapid infiltration tank and sewage treatment system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580906.3U CN210261448U (en) | 2019-04-24 | 2019-04-24 | Trapezoidal composite flow artificial rapid infiltration tank and sewage treatment system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210261448U true CN210261448U (en) | 2020-04-07 |
Family
ID=70023112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920580906.3U Active CN210261448U (en) | 2019-04-24 | 2019-04-24 | Trapezoidal composite flow artificial rapid infiltration tank and sewage treatment system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210261448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127935A (en) * | 2019-04-24 | 2019-08-16 | 长江勘测规划设计研究有限责任公司 | Trapezoidal composite flow manual-rapid infiltration pond and its sewage disposal system |
-
2019
- 2019-04-24 CN CN201920580906.3U patent/CN210261448U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127935A (en) * | 2019-04-24 | 2019-08-16 | 长江勘测规划设计研究有限责任公司 | Trapezoidal composite flow manual-rapid infiltration pond and its sewage disposal system |
| CN110127935B (en) * | 2019-04-24 | 2024-04-16 | 长江勘测规划设计研究有限责任公司 | Trapezoidal composite flow artificial rapid infiltration tank and sewage treatment system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207061996U (en) | A kind of Artificial subsurface flow wetland system of modularized combination type | |
| AU2021105271A4 (en) | Rainwater filtration garden | |
| CN108479188B (en) | Directional sand settling and discharging filtering device with multi-layer diversion baffle and method thereof | |
| CN105735449B (en) | A kind of urban road rainwater collecting and treating system | |
| CN110482713B (en) | Ecological blanket laying method for in-situ remediation of heavily polluted river channel | |
| CN105625295A (en) | Foundation pit groundwater recharging system | |
| CN201952328U (en) | Landscape inverted biological quick filtration device | |
| CN210261448U (en) | Trapezoidal composite flow artificial rapid infiltration tank and sewage treatment system thereof | |
| CN210261449U (en) | Trapezoidal composite flow artificial rapid infiltration combined tank and sewage treatment system thereof | |
| CN101279157B (en) | Method for air-water backwashing and surface cleaning natural filter bed filter material and a cleaning control system thereof | |
| CN110127935B (en) | Trapezoidal composite flow artificial rapid infiltration tank and sewage treatment system thereof | |
| CN205348101U (en) | Water storage flood control device | |
| CN107555652A (en) | The micro-nano molecular sieve algae water of cofferdam type of original position collection blue-green alga bloom is same to control system | |
| CN212669501U (en) | Sponge type composite ecological slope water body purification system | |
| CN104045157A (en) | Permeable reactive barrier system for treating garbage leachate | |
| CN107619103A (en) | A kind of tipping bucket type power-assisted is aerated Ecosystem restoration system | |
| CN210767167U (en) | Waterproof building net for sponge city planning and construction | |
| CN206407976U (en) | A kind of multi-faceted water-distributing device of vertical current constructed wetland | |
| CN221254241U (en) | Anti-blocking up-flow constructed wetland | |
| CN206580591U (en) | A kind of rainwater removing heavy metals apparatus and system | |
| CN102146694B (en) | Novel backwashing water intake system for water purification building | |
| CN206768982U (en) | A kind of cell drainage system | |
| CN211198800U (en) | Geothermal water recharging desanding system | |
| CN216713307U (en) | Riverway sediment decontamination water intaking mechanism | |
| CN217679392U (en) | Micropower machine-room-free rainwater recycling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |