CN210945018U - Strengthen wetland processing system of transpiration - Google Patents
Strengthen wetland processing system of transpiration Download PDFInfo
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- CN210945018U CN210945018U CN201921027872.1U CN201921027872U CN210945018U CN 210945018 U CN210945018 U CN 210945018U CN 201921027872 U CN201921027872 U CN 201921027872U CN 210945018 U CN210945018 U CN 210945018U
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Abstract
The utility model discloses a strengthen wetland treatment system of transpiration, include: the vertical subsurface flow wetland is arranged on the lower side of the ground and is used for removing main water body pollutants; and the ventilation and dehumidification system is arranged on the vertical subsurface flow wetland and is used for controlling the humidity and the temperature of the vertical subsurface flow wetland. The utility model discloses strengthen unit area pollutant treatment load, can obtain higher water pollutant reduction volume under the same wetland area and the condition of intaking, make this wetland system land utilization efficiency promote greatly, when reducing construction operation cost, the reinforcing is at the application feasibility in the limited area of some soil resources.
Description
Technical Field
The utility model relates to a technical field of ecological water treatment facility especially relates to a strengthen wetland treatment system of transpiration.
Background
The wetland treatment system is used as an ecological water treatment facility and is widely applied to the purification purpose of polluted water bodies. Pollutants in the sewage are removed in modes of absorption, degradation, conversion, fixation and the like through a combined system of the matrix (soil and filler), the microorganism and the plant in the wetland, so that effluent of the wetland is purified. Among them, higher emergent aquatic plants play a dominant role in the pollution removal mechanism of wetlands.
However, the current artificial wetland systems of various types (surface flow or subsurface flow) have the problem of low treatment load of pollutants per unit area in application, and a large wetland area is often needed to achieve the required removal rate of the influent pollutants, so that the application prospect of the main ecological water treatment facility in the region with limited land resources is greatly limited while the construction and operation cost of the wetland is improved.
Disclosure of Invention
In view of the above problems of the existing wetland treatment system, the present invention aims to provide a wetland treatment system with enhanced transpiration effect, which can enhance the treatment load of pollutants per unit area, obtain a higher reduction amount of water pollutants under the same wetland area and water inlet condition, greatly improve the land utilization efficiency of the wetland system, reduce the construction and operation cost, and enhance the application feasibility in some regions with limited land resources.
The specific technical scheme is as follows:
a transpiration-enhanced wetland treatment system comprising: the vertical subsurface flow wetland is arranged on the lower side of the ground and is used for removing main water body pollutants;
the ventilation and dehumidification system is arranged on the vertical subsurface flow wetland and is used for controlling the humidity and the temperature of the vertical subsurface flow wetland;
the vertical subsurface flow wetland is internally provided with:
the liquid level observation device is used for automatically recording the water level in the vertical subsurface wetland;
the humidity/temperature sensor is used for automatically recording the relative humidity and the temperature in the vertical subsurface wetland and sending the relative humidity and the temperature to the ventilation and dehumidification system;
the ventilation and dehumidification system comprises:
the fan is arranged above the vertical subsurface flow wetland and used for accelerating the loss of water vapor around the vertical subsurface flow wetland and reducing the humidity and temperature around the vertical subsurface flow wetland;
the automatic control device is arranged on the ground, and is respectively electrically connected with the fan, the humidity/temperature sensor and the liquid level observation device, and is used for checking the interval of the water level in the vertical subsurface flow wetland, which is automatically recorded by the liquid level observation device, and the interval of the water level in the vertical subsurface flow wetland, which is normally set, and the interval of the relative humidity and the temperature around the vertical subsurface flow wetland, which are automatically recorded by the humidity/temperature sensor, and the interval of the humidity and the temperature around the vertical subsurface flow wetland, which are normally set, and controlling the fan to operate.
The wetland treatment system for enhancing the transpiration effect comprises a vertical subsurface flow wetland, wherein the vertical subsurface flow wetland comprises a subsurface flow pool, a surface soil layer, a filler layer and a drainage layer are sequentially arranged in the subsurface flow pool from top to bottom, and the surface soil layer is used for planting wetland plants.
In the above-mentioned wetland treatment system with enhanced transpiration, each of the liquid level observation devices includes:
the lower end of the liquid level observation pipe sequentially penetrates through the surface soil layer and the filler layer in the vertical direction and extends into the drainage layer, the liquid level observation pipe is vertically arranged in the undercurrent pool, and the upper end of the liquid level observation pipe is higher than the ground;
the wireless liquid level meter is arranged at the corresponding top in the liquid level observation pipe and used for automatically recording the water level in the vertical subsurface flow wetland and sending the water level to the ventilation and dehumidification system.
In the above-mentioned wetland treatment system for enhancing transpiration, the plurality of humidity/temperature sensors are all arranged on the surface soil layer.
The above-mentioned wetland treatment system of strengthening transpiration, wherein, the ventilation dehumidification system still includes:
the box body is covered on the ground, and the vertical subsurface flow wetland is positioned in the box body;
the fan is arranged at the top of the box body and used for accelerating the loss of water vapor in the box body and reducing the humidity and temperature in the box body;
the automatic control device is positioned outside the box body and is respectively electrically connected with the fan, the humidity/temperature sensor and the wireless liquid level meter, and the automatic control device is used for checking a range of the water level in the vertical subsurface flow wetland automatically recorded by the wireless liquid level meter and the water level in the vertical subsurface flow wetland which is normally set, checking a range of the relative humidity and temperature in the box body automatically recorded by the humidity/temperature sensor and the humidity and temperature in the box body which is normally set, and controlling the fan to operate;
the switch board, the switch board is located subaerial, the switch board is located the outside of box, the switch board with the autonomous device electricity is connected.
In the above wetland treatment system with enhanced transpiration effect, an effluent pool is arranged at one end of the underflow pool, an overflow weir is arranged between the underflow pool and the effluent pool, a plurality of overflow ports for communicating the underflow pool and the effluent pool are arranged on the overflow weir, and a sludge settling tank is arranged at the bottom of the effluent pool.
The wetland treatment system for enhancing the transpiration effect further comprises:
the water inlet pipe is arranged at one end of the underflow pool, which is far away from the effluent pool;
the water distribution pipe is arranged above the surface soil layer and is communicated with one end of the water inlet pipe extending into the submerged flow tank;
the drain pipe is arranged at the bottom in the drain layer, and one end of the drain pipe extends into the water outlet pool;
the adjustable vertical pipe is arranged in the water outlet pool, and the lower end of the adjustable vertical pipe is communicated with one end of the drain pipe;
and the water outlet pipe is arranged at one end of the water outlet pool, which is far away from the undercurrent pool.
In the wetland treatment system for strengthening the transpiration, the filling layer and the drainage layer are both coated with the permeable geotextile.
In the above wetland treatment system for enhancing transpiration, the circumferential wall of the drainage layer and the bottom of the drainage layer are both provided with the impermeable membrane.
The wetland treatment system for strengthening the transpiration effect is characterized in that the surface soil layer comprises 10% of coarse sand, 70% of grass carbon and 20% of vermiculite, the packing layer comprises zeolite, and the drainage layer comprises gravel.
Compared with the prior art, the technical scheme has the positive effects that:
the utility model discloses a wetland treatment system reinforces unit area pollutant treatment load can obtain higher water pollutant and cut the decrement under the same wetland area and the condition of intaking, makes this wetland system land utilization efficiency promote greatly, when reducing construction operation cost, strengthens the application feasibility in some limited areas of land resource.
Drawings
FIG. 1 is a middle level plan view of a wetland treatment system for enhancing transpiration of the present invention;
fig. 2 is a plan view of the upper layer of the wetland treatment system for strengthening the transpiration function of the invention;
fig. 3 is a lower plan view of the wetland treatment system for strengthening transpiration of the present invention;
fig. 4 is a sectional view of the wetland treatment system for enhancing transpiration in the direction of a-a in fig. 1 according to the present invention;
fig. 5 is a sectional view of the wetland treatment system for enhancing transpiration in the direction B-B in fig. 1 according to the present invention;
fig. 6 is a cross-sectional view of the transpiration-enhanced wetland treatment system of the present invention, taken along the direction C-C in fig. 1;
fig. 7 is a line chart of the daily transpiration rate of reeds in the vertical subsurface wetland of the wetland treatment system for strengthening the transpiration effect of the invention;
in the drawings: 1. an automatic control device; 2. a water inlet pipe; 3. a box body; 4. a submerged flow tank; 5. a wireless liquid level meter; 6. a humidity/temperature sensor; 7. a surface soil layer; 8. a water distribution pipe; 9. a liquid level observation tube; 10. an overflow weir; 11. an adjustable riser; 12. a water outlet pool; 13. a water outlet pipe; 14. a drainage layer; 15. a drain pipe; 16. a fan; 17. a normal water level; 18. a filler layer; 19. water-permeable geotextile; 20. an impermeable membrane; 21. a sludge settling tank.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is a plan view of a middle layer of a transpiration-enhanced wetland treatment system of the present invention, fig. 2 is a plan view of an upper layer of a transpiration-enhanced wetland treatment system of the present invention, fig. 3 is a plan view of a lower layer of a transpiration-enhanced wetland treatment system of the present invention, fig. 4 is a sectional view of a transpiration-enhanced wetland treatment system of the present invention taken along the direction a-a in fig. 1, fig. 5 is a sectional view of a transpiration-enhanced wetland treatment system taken along the direction B-B in fig. 1, fig. 6 is a sectional view of a transpiration-enhanced wetland treatment system taken along the direction C-C in fig. 1, fig. 7 is a line graph of a daily transpiration rate of reeds in a vertical underflow of a transpiration-enhanced wetland treatment system of the present invention, as shown in fig. 1 to fig. 7, there is shown a preferred embodiment enhanced transpiration wetland treatment system comprising: the vertical subsurface flow wetland is arranged on the lower side of the ground and used for removing main water body pollutants, and the ventilation and dehumidification system is arranged on the vertical subsurface flow wetland and used for controlling the humidity and the temperature of the vertical subsurface flow wetland.
Further, as a preferred embodiment, the vertical subsurface flow wetland comprises a subsurface flow pool 4, a surface soil layer 7, a packing layer 18 and a drainage layer 14 are sequentially arranged in the subsurface flow pool 4 from top to bottom, and the surface soil layer 7 is used for planting wetland plants. Preferably, the wetland plants are drought-resistant and water-flooding-resistant reeds which are planted in the wetland evenly with the planting density of about 35-40 plants per square meter in spring and mature after 3 months of cultivation period, so that the wetland treatment system is started.
Further, as a preferred embodiment, the vertical subsurface wetland is provided with at least one liquid level observation device.
Further, as a preferred embodiment, each of the liquid level observation devices includes: the liquid level observation pipe 9, the vertical direction of the lower extreme of liquid level observation pipe 9 passes top soil layer 7 and packing layer 18 in proper order to stretch into drainage blanket 14, in the vertical undercurrent pond 4 of locating of liquid level observation pipe 9, the upper end of liquid level observation pipe 9 is higher than ground. Preferably, the liquid level observation pipes 9 are porous pipes made of PVC materials, the length of each pipe is 100cm, the opening rate of each pipe is 20%, the outer portions of the liquid level observation pipes 9 are wrapped with permeable geotextile, the pipe tops of the liquid level observation pipes 9 are 5cm higher than the surface of the wetland, the liquid level observation pipes 9 are arranged at equal intervals along the long-edge axis of the wetland, and the pipe center horizontal distance of the liquid level observation pipes 9 is 100 cm.
Further, as a preferred embodiment, each of the liquid level observation devices further includes: and the wireless liquid level meter 5 is arranged at the top of the liquid level observation pipes 9, and the wireless liquid level meter 5 is used for automatically recording the water level in the vertical subsurface wetland and sending the water level to the ventilation and dehumidification system. Preferably, the wireless liquid level meter 5 is fixed on the top of the liquid level observation pipe 9, and further comprises a liquid level probe which is arranged in the liquid level observation pipe 9.
Further, as a preferred embodiment, the vertical subsurface flow wetland is further provided with at least one humidity/temperature sensor 6, the humidity/temperature sensors 6 are all arranged on the surface soil layer 7, and the humidity/temperature sensors 6 are used for automatically recording the relative humidity and temperature in the subsurface flow pond and sending the relative humidity and temperature to the ventilation and dehumidification system. Preferably, the temperature/humidity sensors 6 are equidistantly arranged on the front section, the middle section and the tail section of the wetland along the central axis of the long side of the subsurface flow cell 4, and the total number of the temperature/humidity sensors is three. The temperature/humidity sensor 6 is fixed on the surface soil layer 7, and the clear distance from the surface of the soil is 100 cm.
Further, as a preferred embodiment, the ventilation and dehumidification system includes: the box body 3, the box body 3 covers and is arranged on the ground, and the vertical subsurface flow wetland is positioned in the box body 3. Preferably, the box body 3 is in a cubic structure, and in order to ensure the lighting effect of the wetland system, the box body 3 is made of transparent glass fiber reinforced plastic with the light transmittance of more than 90%. The side wall of the box body 3 is arranged 50cm outside the side wall of the vertical subsurface flow wetland, the top plate of the box body 3 is arranged 200cm above the ground, and a circular opening reserved in the top plate is communicated with the fan.
Further, as a preferred embodiment, the ventilation and dehumidification system includes: the fan 16 is arranged at the top of the box body 3, and the fan 16 is used for accelerating the dispersion of water vapor in the box body 3 and reducing the humidity and the temperature in the box body 3. The fan 16 is a glass fiber reinforced plastic axial-flow roof fan made of the same material as the box body 3, and the fan 16 is arranged in the center of the axis of the top plate of the box body 3.
Further, as a preferred embodiment, the ventilation and dehumidification system includes: the automatic control device 1 is arranged on the ground, the automatic control device 1 is located on the outer side of the box body, the automatic control device 1 is respectively and electrically connected with the fan 16, the humidity/temperature sensor 6 and the wireless liquid level meter 5, and the automatic control device 1 is used for checking a range between the water level in the vertical subsurface flow wetland and the water level in the normally set vertical subsurface flow wetland, which are automatically recorded by the wireless liquid level meter 5, and a range between the relative humidity and the temperature in the box body 3 and the humidity and the temperature in the normally set box body 3, which are automatically recorded by the humidity/temperature sensor 6, and controlling the fan to operate. Preferably, the automatic control device 1 is internally provided with a humidity/temperature sensor, a liquid level sensor data receiving device and a fan motor automatic start-stop device, the humidity/temperature sensor receiving device is electrically connected with a humidity/temperature sensor 6, the liquid level sensor data receiving device is electrically connected with a wireless liquid level meter 5, and the fan motor automatic start-stop device is electrically connected with a fan 16.
Further, as a preferred embodiment, the ventilation and dehumidification system includes: switch board (not shown in the figure), the switch board is located subaerial, and the switch board is located the outside of box, and the switch board is connected with automatic control device 1 electricity.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
in a further embodiment of the present invention, please refer to fig. 1 to 7, wherein an effluent pool 12 is disposed at one end of the underflow pool 4, an overflow weir 10 is disposed between the underflow pool 4 and the effluent pool 12, a plurality of overflow ports communicating the underflow pool 4 with the effluent pool 12 are disposed on the overflow weir 10, and a mud sink 21 is disposed at the bottom of the effluent pool 12. preferably, the overflow rainwater is discharged into the effluent pool 12 through the overflow weir 10, the overflow weir 10 is made of reinforced concrete, the length ×, the width × and the height (inner net size) of the overflow weir 10 are 20cm × 100cm × 170cm, and the size is not limited thereto, and a rectangular overflow port is disposed in the overflow weir 10, the width of the overflow port is 10cm, and the depth of the overflow port is 30 cm.
The utility model discloses a further embodiment, perpendicular undercurrent wetland still includes: the water inlet pipe 2 is arranged at one end of the undercurrent pool 4 far away from the water outlet pool 12.
The utility model discloses a further embodiment, perpendicular undercurrent wetland still includes: and the water distribution pipe 8 is arranged above the surface soil layer 7, and the water distribution pipe 8 is communicated with one end of the water inlet pipe 2 extending into the subsurface flow tank 4. Preferably, the water distribution pipes 8 are porous pipes made of PVC, the opening rate is 20%, the openings face the surface soil layer 7 downwards, and the water distribution pipes 8 are uniformly distributed on the surface soil of the wetland.
The utility model discloses a further embodiment, perpendicular undercurrent wetland still includes: and a drain pipe 15, wherein the drain pipe 15 is arranged at the bottom in the drainage layer 14, and one end of the drain pipe 15 extends into the water outlet pool 12. Preferably, the drainage pipe 15 is a porous pipe made of PVC, the opening rate is 20%, the opening is upward, and the drainage pipe 15 is uniformly distributed in the drainage layer 14.
The utility model discloses a further embodiment, perpendicular undercurrent wetland still includes: the adjustable vertical pipe 11 is arranged in the water outlet pool 12, and the lower end of the adjustable vertical pipe 11 is communicated with one end of the water outlet pipe 15. Preferably, the drain pipe 15 is connected into the effluent pool 12, an adjustable PVC vertical pipe is arranged in the effluent pool 12 and is communicated with the drain pipe 14, and the effluent water level of the vertical pipe is controlled to be 10cm below surface soil. The normal water level 17 in the vertical subsurface flow wetland is controlled to be 100cm away from the bottom of the pool through an adjustable vertical pipe arranged in the effluent pool 12.
The utility model discloses a further embodiment, perpendicular undercurrent wetland still includes: and a water outlet pipe 13, wherein the water outlet pipe 13 is arranged at one end of the water outlet pool 12 far away from the undercurrent pool.
In a further embodiment of the present invention, a permeable geotextile 19 is laid on the packing layer 18 and the drainage layer 14.
In a further embodiment of the present invention, the peripheral wall of the drainage layer 14 and the bottom of the drainage layer 14 are both provided with an impermeable membrane 20.
The utility model discloses a further embodiment, the composition ratio of top soil layer 7 is 10% coarse sand, 70% grass peat and 20% vermiculite, and the composition of packing layer is zeolite, and the composition of drainage blanket 14 is the gravel. Preferably, the surface soil layer 7 is nutrient soil with the thickness of 20cm and covers the surface of the wetland; the filler material is zeolite, but is not limited to this material, and is filled below the surface soil layer 7 to a layer thickness of 50 cm. A permeable geotextile 19 is laid between the packing layer 18 and the surface soil layer 7; the drainage layer 14 is filled with gravels with the particle size of 20 cm-50 cm and the thickness of about 30cm, and is externally coated with permeable geotextile 19.
In a further embodiment of the present invention, the underflow pool 4 and the effluent pool 12 are both rectangular, preferably, wherein the underflow pool 4 has a length of ×, a width of × and a height (inner clear dimension) of 500cm × 120cm × 130cm, not limited to the dimension, the underflow pool 4 adopts a reinforced concrete structure, the effluent pool 12 has a rectangular pool body, the pool body is a reinforced concrete structure, the effluent pool has a length of ×, a width of × and a height (inner clear dimension) of 100cm × 100cm × 170cm, the pool bottom is provided with a mud settling tank 21 and a depth of 40cm, not limited to the dimension, the effluent pool 12 is communicated with the effluent pipe 15 near the wetland end, and is communicated with the effluent pipe 13 far away from the wetland end.
The utility model discloses a water intaking is transported to perpendicular undercurrent wetland through arranging in the 8 dispersions of water distributor on perpendicular undercurrent wetland surface, and it is after oozing one by one through top soil horizon 7, packing layer 18 and drainage blanket 14 to intake, discharges into the terminal effluent pool of wetland after setting up in the drain pipe 15 of the bottom of drainage blanket 14 and collects, carries large granule impurity to cut off in the play water and in silt deposit groove 21, and the supernatant is through outlet pipe 13 discharge wetland.
The utility model discloses a relative humidity in the 6 automatic record boxes of temperature humidity inductor during system operation, and send to 3 outer automatic control device 1 interior and normal settlement intervals (relative humidity 60% ~ 70%) check, if check the result show that humidity is higher than the setting value in the box 3, then automatic start fan 16, outside exhaust box 3 interior air, wind speed 7 ~ 8 ms, in order to accelerate steam and scatter and disappear, reduce the box internal humidity to settlement interval, fan stall afterwards, the wetland plant is in this humidity interval under the leaf surface water dispersion and lose the acceleration, transpiration effect intensity improves. If the checking result shows that the humidity in the box body 3 is lower than the set interval, the fan 16 is closed, and the humidity in the box body is improved to the set interval through natural ventilation and plant transpiration.
Meanwhile, the wireless liquid level meter 5 in the liquid level observation tube 9 automatically records the water level in the vertical subsurface wetland, and sends the water level to the outside of the box body 3 and checks the water level in the self-control device 1 in a normal set interval (the liquid level is 60 cm-100 cm relative to the height of the bottom of the pool), and if the liquid level in the liquid level observation tube 9 is smaller than the normal set interval, the operation of the fan 16 is stopped, so that the water loss rate in the box body 3 is reduced. This priority is higher than the actual rh value check result in the box 3.
As shown in fig. 7, PS represents transpiration enhanced vertical subsurface wetland, and PL represents vertical subsurface wetland under natural conditions.
As attach table 1 shows, the system lasts after 9 months of operation, for the perpendicular undercurrent wetland of operation under the natural humidity condition, the utility model discloses the pollutant removal rate of transpiration enhancement type perpendicular undercurrent constructed wetland has obtained obvious promotion, and wherein Total Nitrogen (TN) clearance promotes 54%, and ammonia nitrogen (N-NH4+) clearance promotes 30%, and the nitrate state nitrogen clearance promotes 21%, and total phosphorus clearance does not have obvious promotion, and all the other pollutants play water quality and refer to and attach table 1.
The operation result shows, the utility model discloses the perpendicular potentiality wetland of type is reinforceed in transpiration through the control to the relative wetland of the peripheral air of wetland plant, improves the transpiration effect intensity of plant to showing and improving the effect of getting rid of main water pollutant of perpendicular undercurrent wetland system. Through using the utility model discloses the perpendicular potentiality wetland of type is reinforceed in transpiration can effectively improve the unit area pollution treatment load of wetland to reduce wetland construction area and intelligent level.
Table 1 shows the effluent water pollutant content and physical and chemical indexes of the vertical subsurface flow wetland (PS: transpiration enhanced vertical subsurface flow wetland; PL: vertical subsurface flow wetland under natural conditions)
| Item | PS | PL |
| pH | 5.38±0.56 | 5.11±0.59 |
| Oxidation-reduction potential [ mV] | -21.2±24.4 | -29.6±25.0 |
| N-NH4+[mg·l-1] | 4.81±3.79 | 9.74±5.94 |
| N-NO3-[mg·l-1] | 0.32±0.79 | 1.33±2.35 |
| TN[mg·l-1] | 6.91±5.48 | 15.32±12.37 |
| TP[mg·l-1] | 0.02±0.01 | 0.02±0.01 |
| Mg | 29.2±4.6 | 36.9±10.2 |
| Ca | 95.0±31.7 | 98.9±36.8 |
| Mn | 162.5±4.8 | 129.0±51.3 |
| Cu | 8.2±4.8 | 4.5±1.3 |
| Zn | 40.5±0.4 | 46.0±3.0 |
| Co | 3.2±1.8 | 1.2±0.5 |
| As | 83.9±61.8 | 64.4±16.7 |
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. A wetland treatment system for strengthening transpiration is characterized by comprising:
the vertical subsurface flow wetland is arranged on the lower side of the ground and is used for removing main water body pollutants;
the ventilation and dehumidification system is arranged on the vertical subsurface flow wetland and is used for controlling the humidity and the temperature of the vertical subsurface flow wetland;
the vertical subsurface flow wetland is internally provided with:
the liquid level observation device is used for automatically recording the water level in the vertical subsurface wetland;
the humidity/temperature sensor is used for automatically recording the relative humidity and the temperature in the vertical subsurface wetland;
the ventilation and dehumidification system comprises:
the fan is arranged above the vertical subsurface flow wetland;
the automatic control device is arranged on the ground and is respectively and electrically connected with the fan, the humidity/temperature sensor and the liquid level observation device.
2. The transpiration-enhanced wetland treatment system according to claim 1, wherein the vertical subsurface wetland comprises a subsurface flow tank, wherein a surface soil layer, a filler layer and a drainage layer are sequentially arranged in the subsurface flow tank from top to bottom, and the surface soil layer is used for planting wetland plants.
3. The enhanced transpiration wetland treatment system of claim 2, wherein each of the liquid level observation devices comprises:
the lower end of the liquid level observation pipe sequentially penetrates through the surface soil layer and the filler layer in the vertical direction and extends into the drainage layer, the liquid level observation pipe is vertically arranged in the undercurrent pool, and the upper end of the liquid level observation pipe is higher than the ground;
the wireless liquid level meter is arranged at the corresponding top in the liquid level observation pipe and used for automatically recording the water level in the vertical subsurface flow wetland and sending the water level to the ventilation and dehumidification system.
4. The transpiration-enhanced wetland treatment system of claim 3, wherein the plurality of humidity/temperature sensors are disposed on the top soil layer.
5. The enhanced transpiration wetland treatment system of claim 4, further comprising:
the box body is covered on the ground, and the vertical subsurface flow wetland is positioned in the box body;
the fan is arranged at the top of the box body and used for accelerating the loss of water vapor in the box body and reducing the humidity and temperature in the box body;
the automatic control device is positioned outside the box body and is respectively electrically connected with the fan, the humidity/temperature sensor and the wireless liquid level meter, and the automatic control device is used for checking a range of the water level in the vertical subsurface flow wetland automatically recorded by the wireless liquid level meter and the water level in the vertical subsurface flow wetland which is normally set, checking a range of the relative humidity and temperature in the box body automatically recorded by the humidity/temperature sensor and the humidity and temperature in the box body which is normally set, and controlling the fan to operate;
the switch board, the switch board is located subaerial, the switch board is located the outside of box, the switch board with the autonomous device electricity is connected.
6. The enhanced transpiration wetland treatment system according to claim 2, wherein an effluent basin is arranged at one end of the underflow basin, an overflow weir is arranged between the underflow basin and the effluent basin, a plurality of overflow ports communicating the underflow basin and the effluent basin are arranged on the overflow weir, and a sludge settling tank is arranged at the bottom of the effluent basin.
7. The enhanced transpiration wetland treatment system of claim 6, further comprising:
the water inlet pipe is arranged at one end of the underflow pool, which is far away from the effluent pool;
the water distribution pipe is arranged above the surface soil layer and is communicated with one end of the water inlet pipe extending into the submerged flow tank;
the drain pipe is arranged at the bottom in the drain layer, and one end of the drain pipe extends into the water outlet pool;
the adjustable vertical pipe is arranged in the water outlet pool, and the lower end of the adjustable vertical pipe is communicated with one end of the drain pipe;
and the water outlet pipe is arranged at one end of the water outlet pool, which is far away from the undercurrent pool.
8. The transpiration-enhanced wetland treatment system according to claim 2, wherein water-permeable geotextiles are laid on both the filler layer and the drainage layer.
9. The transpiration-enhanced wetland treatment system according to claim 2, wherein the peripheral wall of the drainage layer and the bottom of the drainage layer are provided with impermeable membranes.
10. The transpiration-enhanced wetland treatment system according to claim 2, wherein the top soil layer comprises 10% of coarse sand, 70% of peat and 20% of vermiculite, the packing layer comprises zeolite, and the drainage layer comprises gravel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921027872.1U CN210945018U (en) | 2019-07-03 | 2019-07-03 | Strengthen wetland processing system of transpiration |
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| CN201921027872.1U CN210945018U (en) | 2019-07-03 | 2019-07-03 | Strengthen wetland processing system of transpiration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386669A (en) * | 2019-07-03 | 2019-10-29 | 上海市政交通设计研究院有限公司 | A kind of wet land treating system for strengthening transpiration |
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2019
- 2019-07-03 CN CN201921027872.1U patent/CN210945018U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386669A (en) * | 2019-07-03 | 2019-10-29 | 上海市政交通设计研究院有限公司 | A kind of wet land treating system for strengthening transpiration |
| CN110386669B (en) * | 2019-07-03 | 2024-03-01 | 上海市政交通设计研究院有限公司 | Wetland treatment system for strengthening transpiration effect |
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