CN209940653U - Decontamination shunting device for preventing and treating agricultural non-point source pollution - Google Patents

Decontamination shunting device for preventing and treating agricultural non-point source pollution Download PDF

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Publication number
CN209940653U
CN209940653U CN201920725531.5U CN201920725531U CN209940653U CN 209940653 U CN209940653 U CN 209940653U CN 201920725531 U CN201920725531 U CN 201920725531U CN 209940653 U CN209940653 U CN 209940653U
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China
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water inlet
pipe
water
tank
inlet pipe
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Expired - Fee Related
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CN201920725531.5U
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Chinese (zh)
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张松
潘妮
陈奕
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Sichuan Water Conservancy Vocational College
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Sichuan Water Conservancy Vocational College
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Abstract

The utility model discloses a sewage disposal and diversion device for preventing and controlling agricultural non-point source pollution, which comprises a concentrated sewage storage tank, a sedimentation tank, an adsorption tank and a clear water storage tank; a first water inlet pipe is arranged at the upper end of the concentrated sewage storage tank, and a second water inlet pipe is arranged at one side of the sedimentation tank; a first water outlet pipe and a third water inlet pipe are arranged on the side wall of the sedimentation tank from top to bottom, and the first water outlet pipe and the third water inlet pipe are both communicated with the adsorption tank; a nitrogen and phosphorus adsorption packing layer is arranged in the adsorption tank, and a second water outlet pipe and a fourth water inlet pipe are arranged on the side wall of the adsorption tank from top to bottom; a back-flushing pipe and an air washing pipe are arranged at the lower end in the adsorption tank; the second water outlet pipe and the fourth water inlet pipe are both communicated with a clear water storage pool. The utility model discloses a device can be with the runoff reposition of redundant personnel of decontaminating that contains agricultural non-point source pollutant, and the clear water flows into the surface water body, and sewage is reused in the field irrigation, possesses certain economic benefits promptly, also possesses fine environmental benefit.

Description

Decontamination shunting device for preventing and treating agricultural non-point source pollution
Technical Field
The utility model belongs to the technical field of water environment protection device, concretely relates to prevent and treat trash removal diverging device of agricultural non-point source pollution.
Background
Agricultural non-point source pollution is a main environmental pollution source, nitrogen and phosphorus pollutants in farmlands easily enter a farmland drainage system through surface runoff and pollute water, water eutrophication is caused, and the aquatic ecological environment is further damaged. At present, in order to reduce the influence of agricultural non-point source pollution on water eutrophication, a plurality of farmland sewage treatment devices have been designed to carry out corresponding treatment, but the starting point of the devices is to completely remove pollutants, on one hand, the treatment mode needs to be provided with complex treatment equipment to treat nitrogen and phosphorus pollutants, on the other hand, nitrogen and phosphorus elements can be lost, and the nitrogen and phosphorus elements are good plant nutrients, so that a simple treatment device is needed to be developed, the agricultural non-point source pollution can be separated and shunted, and the nitrogen and phosphorus elements in the non-point source pollution can be separated and reused in farmlands, so that the pollutants can be recycled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a control agricultural non-point source pollution's diverging device that decontaminates has solved among the prior art agricultural non-point source pollution's processing method and has got rid of the pollutant completely, and this kind of processing method needs complicated equipment on the one hand, and on the other hand can lose the problem of plant nutrient element nitrogen phosphorus.
The utility model provides a sewage disposal and diversion device for preventing and controlling agricultural non-point source pollution, which comprises a concentrated sewage storage tank, a sedimentation tank, an adsorption tank and a clear water storage tank; the upper end of the concentrated sewage storage tank is provided with a first water inlet pipe, and the sedimentation tank is communicated with the concentrated sewage storage tank through the first water inlet pipe; a second water inlet pipe is arranged on one side of the sedimentation tank and is positioned above the first water inlet pipe; a first water outlet pipe and a third water inlet pipe are sequentially arranged on the side wall of the sedimentation tank, which is opposite to the side wall where the first water inlet pipe is located, from top to bottom, the water outlet end of the first water outlet pipe is communicated with the adsorption tank, and the water inlet end of the third water inlet pipe is also communicated with the adsorption tank;
a nitrogen and phosphorus adsorption packing layer is arranged in the adsorption tank, a second water outlet pipe and a fourth water inlet pipe are sequentially arranged on the side wall of the adsorption tank, which is opposite to the side wall where the third water inlet pipe is located, from top to bottom, and the second water outlet pipe is located below the nitrogen and phosphorus adsorption packing layer; a back flushing pipe is arranged at the lower end in the adsorption tank, the water inlet end of the back flushing pipe is communicated with the fourth water inlet pipe, an air washing pipe is further arranged at the lower end in the adsorption tank, and the air inlet end of the air washing pipe penetrates out of the adsorption tank and is connected with an air pump positioned outside the adsorption tank;
the water outlet end of the second water outlet pipe is communicated with the clear water storage pool, and the water inlet end of the fourth water inlet pipe is also communicated with the clear water storage pool; a third water outlet pipe is arranged at the upper end of the clear water storage tank;
the first water inlet pipe, the second water inlet pipe, the first outlet pipe, the third water inlet pipe, the second outlet pipe is all equipped with first valve, still be equipped with high-pressure water pump on the fourth inlet tube.
Preferably, one side of sedimentation tank end of intaking still is equipped with the open primary filter in upper end, be equipped with first filter screen in the primary filter, the below of first filter screen is equipped with the rubble and just strains the layer, the primary filter is located be equipped with the fourth outlet pipe on the lateral wall of rubble and just strain layer below department, the fourth outlet pipe with the second inlet tube intercommunication.
Preferably, the bottom of the sedimentation tank is provided with a sludge hopper, the bottom of the sludge hopper is provided with a sludge discharge pipe, and the sludge discharge pipe is provided with a second valve.
Preferably, one end of the first water outlet pipe, which is positioned in the sedimentation tank, is provided with a second filter screen.
Preferably, the filler filled in the nitrogen and phosphorus adsorption filler layer is zeolite.
Preferably, one surface of the backwash pipe facing the nitrogen and phosphorus adsorption packing layer is provided with a plurality of water spray holes.
Preferably, one surface of the gas washing pipe facing the nitrogen and phosphorus adsorption packing layer is provided with a plurality of gas injection holes.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model is provided with a sedimentation tank and an adsorption tank to treat runoff containing agricultural non-point source pollution, so that silt is accumulated in the sedimentation tank, nitrogen and phosphorus pollutants are adsorbed on the filler in the adsorption tank, most of clear water is discharged to surface water, and the small part of clear water is stored in the clear water storage tank for back washing of the filler; after the filler is adsorbed and saturated, the high-pressure pump is used for pumping clean water in the clean water storage tank to back flush the filler, and the concentrated sewage obtained by back flushing is stored in the concentrated sewage storage tank to be reused for farmland irrigation.
The utility model discloses a device can be with the runoff reposition of redundant personnel of decontaminating that contains agricultural non-point source pollutant, and the clear water flows into the surface water body, and sewage is reused in the field irrigation, possesses certain economic benefits promptly, also possesses fine environmental benefit.
Drawings
FIG. 1 is a schematic structural diagram of a sewage disposal and distribution device for preventing and treating agricultural non-point source pollution in embodiment 1;
fig. 2 is a schematic structural diagram of the sewage disposal and distribution device for preventing and treating agricultural non-point source pollution in embodiment 2.
Description of reference numerals: 1-concentrated sewage storage tank, 2-sedimentation tank, 3-adsorption tank, 4-clear water storage tank, 5-first water inlet pipe, 6-second water inlet pipe, 7-first water outlet pipe, 8-third water inlet pipe, 9-nitrogen and phosphorus adsorption packing layer, 10-second water outlet pipe, 11-fourth water inlet pipe, 12-backwashing pipe, 13-air washing pipe, 14-air pump, 15-third water outlet pipe, 16-first valve, 17-high pressure water pump, 18-second filter screen, 19-preliminary filter tank, 21-first filter screen, and 22-gravel preliminary filter layer.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
It should be noted that, the utility model provides an air pump and high pressure water pump that use are existing equipment, do not relate to any innovation, can use the brand to be the wepu like the air pump, and the model is the air pump of 3HP, and high pressure water pump can use the brand to be super clean, and the model is cj-5415's high pressure water pump, and air pump and high pressure water pump adopt conventional point connected mode to connect.
Example 1
A decontamination shunting device for preventing agricultural non-point source pollution is specifically shown in figure 1 and comprises a concentrated sewage storage tank 1, a sedimentation tank 2, an adsorption tank 3 and a clear water storage tank 4; the upper end of the concentrated sewage storage tank 1 is provided with a first water inlet pipe 5, and the sedimentation tank 2 is communicated with the concentrated sewage storage tank 1 through the first water inlet pipe 5; one side of the sedimentation tank 2 is provided with a second water inlet pipe 6, and the second water inlet pipe 6 is positioned above the first water inlet pipe 5.
During the use, the utility model discloses a device sets up the end at farmland ditch that flows back, carries silt and nitrogen phosphorus pollutant in the surface runoff that irrigation or rainfall produced, and these runoff that have the pollutant at first get into the farmland ditch that flows back that sets up in the farmland, and farmland ditch that flows back goes out water and gets into via the second inlet tube 6 with farmland ditch intercommunication again the utility model discloses in the sedimentation tank 2 that sets up, the bottom of sedimentation tank 2 is equipped with the sludge bucket, and the runoff flows in-process silt can be full in the sedimentation tank 2 and deposits the sludge bucket, when silt is saved enough when much in the sludge bucket, opens the second valve that sets up on the mud pipe, discharges sedimentation tank 2 from the mud pipe with silt, and during farmland soil can be filled to the silt of discharge.
A first water outlet pipe 7 and a third water inlet pipe 8 are sequentially arranged on the side wall of the sedimentation tank 2 opposite to the side wall where the first water inlet pipe 5 is positioned from top to bottom, the water outlet end of the first water outlet pipe 7 is communicated with the adsorption tank 3, and the water inlet end of the third water inlet pipe 8 is also communicated with the adsorption tank 3; the runoff after silt subsides gets into adsorption tank 3 through first outlet pipe 7, and it needs to explain, in order to avoid not having the silt entering adsorption tank 3 that subsides, the utility model discloses the one end that is located sedimentation tank 2 at first outlet pipe 7 is equipped with second filter screen 18, filters the runoff through second filter screen 18, prevents that silt from getting into adsorption tank 3.
Be equipped with nitrogen phosphorus adsorption packing layer 9 in the adsorption tank 3, the filler that fills in nitrogen phosphorus adsorption packing layer 9 is zeolite, and zeolite has fine adsorption effect to the ammonia nitrogen, and is also better to the adsorption effect of phosphorus, so, nitrogen phosphorus adsorption packing layer 9 intussuseption zeolite filler can be fine adsorb the nitrogen phosphorus in the runoff, and organic matter even avoids it to get into clear water storage tank 4.
A second water outlet pipe 10 and a fourth water inlet pipe 11 are sequentially arranged on the side wall of the adsorption tank 3 opposite to the side wall where the third water inlet pipe 8 is located from top to bottom, and the second water outlet pipe 10 is located below the nitrogen and phosphorus adsorption packing layer 9; the water outlet end of the second water outlet pipe 10 is communicated with a clear water storage pool 4, and the water inlet end of the fourth water inlet pipe 11 is also communicated with the clear water storage pool 4; the upper end of the clear water storage tank 4 is provided with a third water outlet pipe 15.
Quicksand and nitrogen and phosphorus in the runoff treated by the adsorption tank 3 are basically removed, the water quality is clean, and the runoff can be safely discharged into surface water. The utility model discloses set up clear water storage tank 4 and be used for storing partial clean water, mainly need utilize this part to come to carry out the back flush to the zeolite filler in the adsorption tank 3, consequently zeolite can reach the absorption saturation after the live time is longer to influence its result of use, and frequent change adsorbs that the filler is loaded down with trivial details from the operation to see the process, and with high costs, so the utility model discloses set up anti-washing unit and come to carry out the back flush to zeolite, make the adsorbed pollutant desorption on it.
In order to realize the purpose of back flush, the utility model discloses the lower extreme is equipped with backwash tube 12 in adsorption tank 3, a plurality of hole for water sprayings have been seted up towards nitrogen phosphorus adsorption packing layer 9's one side to backwash tube 12, backwash tube 12's the end of intaking and fourth inlet tube 11 intercommunication, the lower extreme still is equipped with gas washing pipe 13 in the adsorption tank 3, a plurality of fumaroles have been seted up towards nitrogen phosphorus adsorption packing layer 9's one side to gas washing pipe 13, adsorption tank 3 is worn out to the inlet end of gas washing pipe 13 to be connected with air pump 14 that is located the adsorption tank 3 outsides.
The first water inlet pipe 5, the first water outlet pipe 7, the third water inlet pipe 8 and the second water outlet pipe 10 are all provided with a first valve 16, and the fourth water inlet pipe 11 is also provided with a high-pressure water pump 17.
During back flushing, the first valves 16 on the first water outlet pipe 7 and the second water outlet pipe 10 are closed. In order to achieve a better backwashing effect, the backwashing in the utility model comprises three stages, namely, independent air washing, air-water simultaneous backwashing and clear water backwashing, when the independent air washing is carried out, the first valves 16 on the first water inlet pipe 5, the third water inlet pipe 8 and the fourth water inlet pipe 11 are kept closed, the air pump 14 provides high-pressure gas, the high-pressure gas is sprayed to the nitrogen-phosphorus adsorption packing layer 9 through the gas spraying holes arranged on the air washing pipe 13 for air washing, so that the binding force of pollutants and the packing is weakened; after the independent air washing is finished, keeping the air pump 14 open, simultaneously opening the first water inlet pipe 5, the third water inlet pipe 8 and the first valve 16 on the fourth water inlet pipe 11, and washing away the pollutants adsorbed on the filler by utilizing air water and water for back washing at the same time; after the air-water backwashing is finished, the air pump 14 is closed, and the backwashing is carried out by only utilizing the clear water in the clear water storage tank 4, so that the backwashing is more thorough. In the process, the back washing water continuously enters the sedimentation tank 2 through the third water inlet pipe 8, and the back washing water in the sedimentation tank 2 continuously enters the concentrated sewage storage tank 1 through the first water inlet pipe 5 to be accumulated.
It should be noted that the utility model discloses a function difference that the device will realize when using divide into two sets of flows, one set is the device to the processing procedure of pollutant in the runoff, one set is the back flush flow of the packing layer that adsorbs the saturation, when carrying out the processing procedure of pollutant, the flow direction of runoff is from left to right (according to the direction shown in figure 1), at this moment, close first valve 16 on first inlet tube 5, third inlet tube 8 and the fourth inlet tube 11, the runoff flows through sedimentation tank 2, adsorption tank 3 respectively and handles, finally gets into clear water storage tank 4; when the backwashing process is carried out, the flowing direction of the clean water is from right to left (according to the direction shown in the attached drawing 1), at the moment, the first valves 16 on the first water outlet pipe 7 and the second water outlet pipe 10 are closed, the clean water flows through the adsorption tank 3 and then enters the sedimentation tank 2, the clean water and the muddy sewage are mixed in the sedimentation tank 2 and then enter the concentrated sewage storage tank 1, the concentrated water accumulated in the concentrated sewage storage tank 1 is used for irrigation, a certain amount of nitrogen and phosphorus are provided for farmlands, the growth of crops is promoted, and simultaneously, the silt can also supplement the soil lost by water and soil loss.
Example 2
As shown in fig. 2, the embodiment 2 is the same as the embodiment 1, except that in the embodiment 2, a primary filter 19 is further disposed on one side of the water inlet end of the sedimentation tank 2, a first filter screen 21 is disposed in the primary filter 19, a crushed stone primary filter layer 22 is disposed below the first filter screen 21, a fourth water outlet pipe is disposed on a side wall of the primary filter 19 below the crushed stone primary filter layer 22, and the fourth water outlet pipe is communicated with the second water inlet pipe 6.
Considering that in some times, the floating objects and impurities in the channels of the farmland drainage channel are more and the sedimentation tank is difficult to settle down, a primary filter 19 is arranged on one side of the water inlet end of the sedimentation tank 2, the surface runoff generated by farmland irrigation or rainfall enters the primary filter 19 through the upper end opening of the primary filter 19, under the filtering action of a first filter screen 21 arranged in the primary filter 19, the large-size floating objects and the large-size solid impurities are intercepted on the first filter screen 21, and the small-size floating objects and the small-size solid impurities are intercepted on a rubble primary filter layer 22 arranged below the first filter screen 21, so that the floating objects and the large-size impurities are well treated, and the subsequent sedimentation tank 2 is favorable for treating the silt in the surface runoff.
Therefore, the utility model discloses divide into clean water and dense sewage after handling the runoff that will thoughtlessly have agricultural non-point source to pollute, the surface water is discharged to the clean water, and dense sewage reuses in irrigation of farmland, is favorable to practicing thrift nitrogen phosphorus fertilizer promptly, is favorable to keeping the water environment again.
In the present invention, the above disclosure is only the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.

Claims (7)

1. A decontamination shunting device for preventing agricultural non-point source pollution is characterized by comprising a concentrated sewage storage pool (1), a sedimentation pool (2), an adsorption pool (3) and a clear water storage pool (4); a first water inlet pipe (5) is arranged at the upper end of the concentrated sewage storage tank (1), and the sedimentation tank (2) is communicated with the concentrated sewage storage tank (1) through the first water inlet pipe (5);
a second water inlet pipe (6) is arranged on one side of the sedimentation tank (2), and the second water inlet pipe (6) is positioned above the first water inlet pipe (5); a first water outlet pipe (7) and a third water inlet pipe (8) are sequentially arranged on the side wall of the sedimentation tank (2) opposite to the side wall where the first water inlet pipe (5) is located from top to bottom at intervals, the water outlet end of the first water outlet pipe (7) is communicated with the adsorption tank (3), and the water inlet end of the third water inlet pipe (8) is also communicated with the adsorption tank (3);
a nitrogen and phosphorus adsorption packing layer (9) is arranged in the adsorption tank (3), a second water outlet pipe (10) and a fourth water inlet pipe (11) are sequentially arranged on the side wall, opposite to the side wall where the adsorption tank (3) and the third water inlet pipe (8) are located, from top to bottom, and the second water outlet pipe (10) is located below the nitrogen and phosphorus adsorption packing layer (9); a back flushing pipe (12) is arranged at the lower end in the adsorption tank (3), the water inlet end of the back flushing pipe (12) is communicated with the fourth water inlet pipe (11), an air washing pipe (13) is further arranged at the lower end in the adsorption tank (3), and the air inlet end of the air washing pipe (13) penetrates out of the adsorption tank (3) and is connected with an air pump (14) located outside the adsorption tank (3);
the water outlet end of the second water outlet pipe (10) is communicated with the clear water storage tank (4), and the water inlet end of the fourth water inlet pipe (11) is also communicated with the clear water storage tank (4); a third water outlet pipe (15) is arranged at the upper end of the clear water storage tank (4);
the water pump is characterized in that the first water inlet pipe (5), the first water outlet pipe (7), the third water inlet pipe (8) and the second water outlet pipe (10) are respectively provided with a first valve (16), and the fourth water inlet pipe (11) is provided with a high-pressure water pump (17).
2. The trash removal and distribution device for preventing and treating agricultural non-point source pollution according to claim 1, characterized in that one side of the water inlet end of the sedimentation tank (2) is further provided with a primary filter tank (19) with an open upper end, a first filter screen (21) is arranged in the primary filter tank (19), a rubble primary filter layer (22) is arranged below the first filter screen (21), a fourth water outlet pipe is arranged on the side wall of the primary filter tank (19) below the rubble primary filter layer (22), and the fourth water outlet pipe is communicated with the second water inlet pipe (6).
3. The trash removal and distribution device for preventing agricultural non-point source pollution according to claim 1, wherein a sludge hopper is arranged at the bottom end of the sedimentation tank (2), a sludge discharge pipe is arranged at the bottom end of the sludge hopper, and a second valve is arranged on the sludge discharge pipe.
4. The trash removal and distribution device for preventing and treating agricultural non-point source pollution according to claim 1, wherein a second filter screen (18) is arranged at one end, located in the sedimentation tank (2), of the first water outlet pipe (7).
5. The sewage disposal and flow distribution device for controlling agricultural non-point source pollution according to claim 1, wherein the filler filled in the nitrogen and phosphorus adsorption filler layer (9) is zeolite.
6. The device for removing and distributing the pollutant for preventing and treating the agricultural non-point source pollution according to claim 1, wherein a plurality of water spray holes are formed in one surface, facing the nitrogen and phosphorus adsorption packing layer (9), of the back flushing pipe (12).
7. The device for removing and distributing the pollutant for preventing and treating the agricultural non-point source pollution according to claim 1, wherein a plurality of gas injection holes are formed in one surface, facing the nitrogen and phosphorus adsorption packing layer (9), of the gas washing pipe (13).
CN201920725531.5U 2019-05-20 2019-05-20 Decontamination shunting device for preventing and treating agricultural non-point source pollution Expired - Fee Related CN209940653U (en)

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Application Number Priority Date Filing Date Title
CN201920725531.5U CN209940653U (en) 2019-05-20 2019-05-20 Decontamination shunting device for preventing and treating agricultural non-point source pollution

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Application Number Priority Date Filing Date Title
CN201920725531.5U CN209940653U (en) 2019-05-20 2019-05-20 Decontamination shunting device for preventing and treating agricultural non-point source pollution

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115300936A (en) * 2022-08-15 2022-11-08 掌起(成都)智能科技有限公司 Full-automatic liquid discharge system of extraction cauldron

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115300936A (en) * 2022-08-15 2022-11-08 掌起(成都)智能科技有限公司 Full-automatic liquid discharge system of extraction cauldron

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