CN212211944U - Biogas slurry drip irrigation system - Google Patents
Biogas slurry drip irrigation system Download PDFInfo
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- CN212211944U CN212211944U CN202020461814.6U CN202020461814U CN212211944U CN 212211944 U CN212211944 U CN 212211944U CN 202020461814 U CN202020461814 U CN 202020461814U CN 212211944 U CN212211944 U CN 212211944U
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- 230000002262 irrigation Effects 0.000 title claims abstract description 63
- 238000003973 irrigation Methods 0.000 title claims abstract description 63
- 239000002002 slurry Substances 0.000 title claims description 63
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000001914 filtration Methods 0.000 claims abstract description 58
- 238000005192 partition Methods 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims description 41
- 239000000243 solution Substances 0.000 claims description 40
- 238000011001 backwashing Methods 0.000 claims description 28
- 239000011550 stock solution Substances 0.000 claims description 25
- 239000003337 fertilizer Substances 0.000 claims description 15
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
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- 238000000034 method Methods 0.000 description 4
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
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- 238000005406 washing Methods 0.000 description 2
- 229930192334 Auxin Natural products 0.000 description 1
- 229930191978 Gibberellin Natural products 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229930003779 Vitamin B12 Natural products 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
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- 239000002363 auxin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- FDJOLVPMNUYSCM-WZHZPDAFSA-L cobalt(3+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+3].N#[C-].N([C@@H]([C@]1(C)[N-]\C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C(\C)/C1=N/C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C\C1=N\C([C@H](C1(C)C)CCC(N)=O)=C/1C)[C@@H]2CC(N)=O)=C\1[C@]2(C)CCC(=O)NC[C@@H](C)OP([O-])(=O)O[C@H]1[C@@H](O)[C@@H](N2C3=CC(C)=C(C)C=C3N=C2)O[C@@H]1CO FDJOLVPMNUYSCM-WZHZPDAFSA-L 0.000 description 1
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- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 description 1
- 239000003448 gibberellin Substances 0.000 description 1
- 239000003617 indole-3-acetic acid Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
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- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to a natural pond liquid drip irrigation system, including the stoste pond of adjacent setting in proper order, first well liquid pond, liquid pond and clear solution pond in the second, intercommunication stoste advances the pipe on the stoste pond, be equipped with first filtration pore on the partition wall between stoste pond and the first well liquid pond, be equipped with first filter screen on the first filtration pore, be equipped with the second filtration pore on the partition wall between first well liquid pond and the second well liquid pond, be equipped with the second filter screen on the second filtration pore, supporting platform is erect to clear solution pond top, fixed connection filters sieve group on the supporting platform, be equipped with well liquid elevator pump in the second well liquid pond, connect the fluid-discharge tube between well liquid elevator pump and the filtration sieve group, be equipped with the clear solution elevator pump in the clear solution pond, the clear solution elevator pump passes through pipeline filter, the export of back flush filter connects gradually and drips irrigation the person in charge, drip irrigation the branch. The utility model discloses can carry out high efficiency to natural pond liquid and filter and can be according to certain proportion homogeneous mixing with water, drip irrigation effectually, economic benefits is high, has reduced the emission, has protected the environment.
Description
Technical Field
The utility model relates to an agricultural mechanical equipment technical field especially relates to a natural pond liquid drip irrigation system.
Background
The biogas slurry is brown bright liquid formed by decomposing fermentation products in the biogas digester, and the fertilizer efficiency of the biogas slurry is more than 10 times of that of a common chemical synthetic fertilizer. The biogas slurry contains rich nitrogen, phosphorus, potassium, various amino acids, vitamins, proteins, gibberellin, auxin, saccharides, nucleic acid, antibiotics and the like, and active resistant substances such as butyric acid, indoleacetic acid, vitamin B12 and the like, and has double effects of promoting the growth of crops and controlling the occurrence of diseases.
At present, as the state vigorously develops biogas engineering, a large amount of biogas slurry is generated, and the biogas slurry is lost at will to cause environmental pollution, so that the biogas slurry serving as a fertilizer for agricultural and forestry crops becomes an important direction for biogas slurry utilization.
If the biogas residues and the biogas slurry are not treated, great odor can be given off, and the biogas residues and the biogas slurry are not sufficiently separated, so that the biogas residues and the biogas slurry cannot be used for a drip irrigation system, and when the fertilizer is applied, only simple water and biogas are naturally mixed in the field, and because the biogas residues and the biogas slurry are not sufficiently mixed, the mixing ratio of the water and the biogas slurry is uncertain, so that the fertilizer is not uniformly applied, and the crop growth potential is poor.
Because the biogas slurry stock solution contains solid matters with larger granularity, such as biogas residues, and the like, and the water extracted from rivers or wells contains particles, such as silt, and the like, the fine drip holes of the drip irrigation pipes of the drip irrigation device can be blocked by directly mixing the biogas slurry stock solution with the water and then carrying out drip irrigation, therefore, the effect of applying the biogas slurry to plant fertilization and drip irrigation is not utilized, the large-scale production is difficult to realize, and most of biogas residues and biogas slurry are directly released into flood discharge ditches and riverways to cause serious environmental pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a natural pond liquid drip irrigation system, this system can carry out high efficiency to natural pond liquid and filter and can with the water uniform mixing of certain proportion, and natural pond liquid after the filtration contains impurity few, natural pond liquid and water misce bene, drip irrigation effectually, and economic benefits is high, has reduced the emission of natural pond liquid, has protected the environment.
The above object of the present invention can be achieved by the following technical solutions:
a biogas slurry drip irrigation system, which comprises a stock solution tank, a first intermediate solution tank, a second intermediate solution tank and a clear solution tank which are sequentially and adjacently arranged, the stock solution tank is communicated with a stock solution inlet pipe, a partition wall between the stock solution tank and the first intermediate solution tank is provided with a first filtering hole, a first filter screen is arranged on the first filtering hole, a second filtering hole is arranged on the partition wall between the first intermediate liquid tank and the second intermediate liquid tank, a second filter screen is arranged on the second filter hole, a supporting platform is erected above the clear liquid tank, a filter screen group is fixedly connected on the supporting platform, a middle liquid lifting pump is arranged in the second middle liquid pool, a liquid discharge pipe is connected between the middle liquid lifting pump and the filtering screen group, and a clear liquid lifting pump is arranged in the clear liquid tank, the clear liquid lifting pump reversely washes the filter through a pipeline, and an outlet of the reverse washing filter is sequentially connected with a drip irrigation main pipe and a drip irrigation branch pipe.
The biogas slurry drip irrigation system comprises a first-stage filter sieve, a second-stage filter sieve, a third-stage filter sieve, a fourth-stage filter sieve and a fifth-stage filter sieve which are stacked at intervals from top to bottom, wherein the first-stage filter sieve, the second-stage filter sieve, the third-stage filter sieve, the fourth-stage filter sieve and the fifth-stage filter sieve are all net cages which are identical in structure, sequentially reduced in size and provided with upward openings, and screen meshes are laid on the surfaces of the net cages.
In the biogas slurry drip irrigation system, the screen mesh diameters of the first-stage filter screen, the second-stage filter screen, the third-stage filter screen, the fourth-stage filter screen and the fifth-stage filter screen are respectively 60 meshes, 80 meshes, 100 meshes, 120 meshes and 150 meshes.
The biogas slurry drip irrigation system comprises a centrifugal filter, a first sand filter, a second sand filter and a net filter which are sequentially connected.
In the biogas slurry drip irrigation system, outlets of the centrifugal filter are respectively communicated with a first backwashing pipe and a second backwashing pipe, the first backwashing pipe is respectively communicated with the upper end of the first sand filter and the upper end of the second sand filter, the second backwashing pipe is respectively communicated with the lower part of the second sand filter and the lower part of the second sand filter, the tail end of the first backwashing pipe is communicated with a liquid return pipe, an outlet of the liquid return pipe is arranged in the stock solution tank, and the tail end of the second backwashing pipe is communicated with the net filter; a first gate valve and a second gate valve are respectively arranged on the first back-flushing pipe and the second back-flushing pipe between the centrifugal filter and the first sand filter; and the liquid return pipe is connected with a third gate valve, and a fourth gate valve is connected on a second backwashing pipe between the second sand filter and the net filter.
In the biogas slurry drip irrigation system, the second backwashing pipe between the second sand filter and the fourth gate valve is connected with the fertilization tank inlet pipe, the other end of the fertilization tank inlet pipe is connected with the inlet of the fertilization tank, the second backwashing pipe between the fourth gate valve and the net filter is connected with the fertilization tank outlet pipe, and the other end of the fertilization tank outlet pipe is connected with the outlet of the fertilization tank.
The biogas slurry drip irrigation system is characterized in that the fertilization tank inlet pipe and the fertilization tank outlet pipe are respectively provided with a stop valve.
The biogas slurry drip irrigation system is characterized in that the clear liquid pool is internally provided with a submersible stirrer fixed on the supporting platform.
The biogas slurry drip irrigation system is characterized in that a tap water replenishing pipe is arranged in the clear liquid tank.
The biogas slurry drip irrigation system is characterized in that the second middle liquid pool and the clear liquid pool are respectively provided with a liquid level meter.
To sum up, the utility model discloses a beneficial technological effect does:
the utility model discloses a set up the filter sieve group, natural pond liquid in the pond is filtered in to the second, make impurity in the natural pond liquid in the clear solution pond still less, carry out the intensive mixing through natural pond liquid in the clear solution pond and water, guarantee to drip irrigation the required natural pond liquid concentration of crop, through setting up the back flush filter, further reduce impurity to the natural pond liquid filtration that the clear solution pond flows out, guarantee to carry the natural pond liquid of driping irrigation in the canopy and can follow and drip irrigation the branch pipe and normally drip irrigation, prevent because natural pond liquid impurity content is too much, the phenomenon of branch pipe is driped irrigation in the jam takes place, the effect of driping.
Through setting up first back flush pipe and second back flush pipe and liquid return pipe, can carry out the back flush to first sandstone filtration ware and second sandstone filtration ware, improve its filtration efficiency, increase of service life.
The utility model discloses a set up the fertilization jar, can save natural pond liquid in advance, when natural pond liquid in the clear solution pond is less, can use the natural pond liquid in the fertilization jar to drip irrigation the operation, effectively guaranteed the normal clear of driping irrigation, make the crop of driping irrigation in the canopy can in time obtain fertigation, guarantee the normal growth of crop.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a sectional view of fig. 1.
Figure 1, stock solution pool; 11. feeding stock solution into a pipe; 2. a first middle liquid pool; 21. a first filtering hole; 3. a second intermediate liquid pool; 31. a second filtering hole; 32. a medium liquid lift pump; 33. a liquid discharge pipe; 4. a clear liquid pool; 41. a support platform; 42. a filter screen group; 421. a first-stage filter sieve; 422. a secondary filter sieve; 423. a third-stage filter sieve; 424. a four-stage filter sieve; 425. A fifth-stage filter sieve; 43. a clear liquid lift pump; 44. a submersible mixer; 45. a tap water replenishing pipe; 5. backwashing the filter; 51. a centrifugal filter; 52. a first sand filter; 53. a second sand filter; 54. a screen filter; 55. a first backwash pipe; 551. a first gate valve; 56. a second backwash pipe; 561. a second gate valve; 562. a fourth gate valve; 57. a liquid return pipe; 571. a third gate valve; 6. a drip irrigation main pipe; 7. a stop valve; 8. a fertilizing tank; 81. feeding a fertilizer tank into a pipe; 82. discharging a fertilizer tank; 9. a liquid level meter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a biogas slurry drip irrigation system comprises a stock solution tank 1, a first intermediate solution tank 2, a second intermediate solution tank 3 and a clear solution tank 4 which are adjacently arranged in sequence, wherein the stock solution tank 1 is communicated with a stock solution inlet pipe 11, a partition wall between the stock solution tank 1 and the first intermediate solution tank 2 is provided with a first filtering hole 21, the first filtering hole 21 is provided with a first filter screen, a partition wall between the first intermediate solution tank 2 and the second intermediate solution tank 3 is provided with a second filtering hole 31, the second filtering hole 31 is provided with a second filter screen, a supporting platform 41 is erected above the clear solution tank 4, the supporting platform 41 is fixedly connected with a filtering screen group 42, the second intermediate solution tank 3 is internally provided with a backwash pump 32, a liquid discharge pipe 33 is connected between the intermediate solution pump 32 and the filtering screen group 42, the clear solution tank 4 is internally provided with a clear solution lift pump 43, the clear solution lift pump 43 passes through a pipeline filter 5, the outlet of the back-flushing filter 5 is sequentially connected with the drip irrigation main pipe 6 and the drip irrigation branch pipes.
The filtering sieve group 42 of the present embodiment includes a first-stage filtering sieve 421, a second-stage filtering sieve 422, a third-stage filtering sieve 423, a fourth-stage filtering sieve 424 and a fifth-stage filtering sieve 425 which are stacked at intervals from top to bottom, where the first-stage filtering sieve 421, the second-stage filtering sieve 422, the third-stage filtering sieve 423, the fourth-stage filtering sieve 424 and the fifth-stage filtering sieve 425 are all net cages with the same structure, the sizes of the net cages are sequentially reduced, openings of the net cages are upward, and the surfaces of the net cages are. Through the five-stage filter sieve, impurities in the biogas slurry can be further filtered, and smooth drip irrigation is guaranteed.
The screen mesh diameters of the first-stage filter screen 421, the second-stage filter screen 422, the third-stage filter screen 423, the fourth-stage filter screen 424, and the fifth-stage filter screen 425 in this embodiment are 60 meshes, 80 meshes, 100 meshes, 120 meshes, and 150 meshes, respectively.
The backwashing filter 5 of this embodiment includes a centrifugal filter 51, a first sand filter 52, a second sand filter 53, and a mesh filter 54 connected in this order. The biogas slurry can be used for filtering finer impurities through the backwashing filter 5, so that the fertilization effect of the drip irrigation is further ensured.
In this embodiment, the fertilization tank inlet pipe 81 and the fertilization tank outlet pipe 82 are both provided with the stop valve 7.
In this embodiment, the outlets of the centrifugal filter 51 are respectively communicated with a first backwashing pipe 55 and a second backwashing pipe 56, the first backwashing pipe 55 is respectively communicated with the upper end of the first sand filter 52 and the upper end of the second sand filter 53, the second backwashing pipe 56 is respectively communicated with the lower part of the second sand filter 53 and the lower part of the second sand filter 53, the tail end of the first backwashing pipe 55 is communicated with a liquid return pipe 57, the outlet of the liquid return pipe 57 is arranged in the raw liquid pool 1, and the tail end of the second backwashing pipe 56 is communicated with the mesh filter 54; the first gate valve 551 and the second gate valve 561 are provided in the first backwash pipe 55 and the second backwash pipe 56 between the centrifugal filter 51 and the first sand filter 52, respectively, the third gate valve 571 is connected to the return pipe 57, and the fourth gate valve 562 is connected to the second backwash pipe 56 between the second sand filter 53 and the mesh filter 54.
Through the arrangement, the first sand filter 52 and the second sand filter 53 can be backwashed, impurities are backwashed, and the filtering smoothness and the service life of the filter are guaranteed.
The working process of the first sand filter 52 and the second sand filter 53 during normal filtration is as follows, the second gate valve 561 and the third gate valve 571 are closed, the first gate valve 551 and the fourth gate valve 562 are opened, the biogas slurry discharged from the centrifugal filter 51 enters the first sand filter 52 and the second sand filter 53 through the first gate valve 551, the filtered biogas slurry enters the mesh filter 54 through the fourth gate valve 562 on the second backwashing pipe 56, and drip irrigation is performed through the drip irrigation main pipe 6 and the drip irrigation branch pipe.
After first sand and stone filter 52 and second sand and stone filter 53 used a certain time, impurity is more, can wash impurity through the anti-mode of washing, and its specific process is as follows: and opening the second gate valve 561 and the third gate valve 571, closing the first gate valve 551 and the fourth gate valve 562, allowing the biogas slurry discharged from the centrifugal filter 51 to enter the first sand filter 52 and the second sand filter 53 through the second gate valve 561, reversely cleaning the biogas slurry from bottom to top, and allowing the biogas slurry to enter the liquid return pipe 57 through the third gate valve 571 and flow into the raw liquid tank 1.
In this embodiment, a fertilization tank inlet pipe 81 is connected to the second backwash pipe 56 between the second sand filter 53 and the fourth gate valve 562, the other end of the fertilization tank inlet pipe 81 is connected to the inlet of the fertilization tank 8, a fertilization tank outlet pipe 82 is connected to the second backwash pipe 56 between the fourth gate valve 562 and the mesh filter 54, and the other end of the fertilization tank outlet pipe 82 is connected to the outlet of the fertilization tank 8; the fertilizing tank 8 can be arranged to play a role in storing the standby biogas slurry.
The process of storing the standby biogas slurry is as follows, firstly, the second gate valve 561, the third gate valve 571 and the fourth gate valve 562 are closed, the first gate valve 551 is opened, the stop valve 7 on the inlet pipe 81 of the fertilization tank is opened, the stop valve 7 on the outlet pipe 82 of the fertilization tank is closed, the biogas slurry enters the fertilization tank 8 through the centrifugal filter 51, the first back flushing pipe 55, the first sand filter 52, the second sand filter 53 and the inlet pipe 81 of the fertilization tank by the clear liquid lift pump 43, and after the fertilization tank 8 is filled with the biogas slurry, the stop valve 7 of the inlet pipe 81 of the fertilization tank is closed.
When the clear liquid tank 4 contains little or no biogas slurry, the stop valve 7 on the fertilization tank outlet pipe 82 can be opened, so that the biogas slurry enters the net filter 54, the drip irrigation main pipe 6 and the drip irrigation branch pipe through the fertilization tank outlet pipe 82 in sequence for drip irrigation operation, and the drip irrigation fertilization can be carried out on crops when no biogas slurry exists in the clear liquid tank 4; of course, in order to better discharge the biogas slurry in the fertilization tank 8, an infusion pump can be added on the outlet pipe 82 of the fertilization tank for discharging the biogas slurry.
Be equipped with the dive mixer 44 of fixing on supporting platform 41 in clear liquid pond 4, dive mixer 44 can carry out the intensive mixing to the natural pond liquid and the water in clear liquid pond 4, guarantees that the concentration of natural pond liquid is fit for the growth of crop.
A tap water replenishing pipe 45 is arranged in the clear liquid tank, and the biogas slurry in the clear liquid tank 4 is diluted according to a proportion through the tap water replenishing pipe 45 so as to meet the requirement of crop growth.
In this embodiment, all be equipped with level gauge 9 in liquid pond 3 and the clear solution pond 4 in the second, level gauge 9 can be in the second in the circumstances under the circumstances of no natural pond liquid outage of clear solution elevator pump 43 in the well liquid elevator pump 32 or the clear solution pond 4 in the liquid pond 3, effectively protect the safe operation of well liquid elevator pump 32 and clear solution elevator pump 43.
The working process of the utility model is as follows: firstly, biogas slurry enters a stock solution tank 1 from a stock solution inlet pipe 11 for precipitation, the stock solution enters a first stock solution tank 2 through a first filter screen on a first filter hole 21, the biogas slurry in the first stock solution tank 2 passes through a second filter screen on a second filter hole 31 to carry out a second stock solution tank 3, the biogas slurry after twice coarse filtration is sent into a filter screen group 42 through a liquid discharge pipe 33 under the action of a stock solution lift pump 32 for further filtration, the biogas slurry in a clear solution tank 4 is mixed with water entering from a tap water replenishing pipe 45, the mixing proportion is determined according to the requirements of different crops, the submersible mixer 44 in the clear liquid tank 4 can fully mix the biogas slurry and the water, when drip irrigation needs to be carried out, the clear liquid lifting pump 43 is started, and after the biogas slurry is filtered again through the backwashing filter 5 through the pipeline, the biogas slurry is sent into the drip irrigation branch pipes in the drip irrigation shed from the drip irrigation main pipe 6 for drip irrigation fertilization.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The biogas slurry drip irrigation system is characterized by comprising a stock solution pool, a first intermediate solution pool, a second intermediate solution pool and a clear solution pool which are sequentially and adjacently arranged, wherein the stock solution pool is communicated with a stock solution inlet pipe, a first filtering hole is formed in a partition wall between the stock solution pool and the first intermediate solution pool, a first filtering screen is arranged on the first filtering hole, a second filtering hole is formed in a partition wall between the first intermediate solution pool and the second intermediate solution pool, a second filtering screen is arranged on the second filtering hole, a supporting platform is erected above the clear solution pool, a filtering screen group is fixedly connected on the supporting platform, an intermediate solution lifting pump is arranged in the second intermediate solution pool, a liquid discharge pipe is connected between the intermediate solution lifting pump and the filtering screen group, a clear solution lifting pump is arranged in the clear solution pool, the clear solution lifting pump passes through a back flush pipeline filter, and an outlet of the back flush filter is sequentially connected with a main pipe, a second intermediate solution lifting pump, a second filtering screen, Drip irrigation manifolds.
2. The biogas slurry drip irrigation system according to claim 1, wherein the filtering sieve group comprises a first filtering sieve, a second filtering sieve, a third filtering sieve, a fourth filtering sieve and a fifth filtering sieve which are stacked at intervals from top to bottom, the first filtering sieve, the second filtering sieve, the third filtering sieve, the fourth filtering sieve and the fifth filtering sieve are all net cages which have the same structure, are sequentially reduced in size and have upward openings, and a screen is laid on the surfaces of the net cages.
3. The biogas slurry drip irrigation system according to claim 2, wherein the screen mesh sizes of the primary filter screen, the secondary filter screen, the tertiary filter screen, the quaternary filter screen and the quinary filter screen are 60 meshes, 80 meshes, 100 meshes, 120 meshes and 150 meshes respectively.
4. The biogas slurry drip irrigation system according to claim 1, wherein the backwashing filter comprises a centrifugal filter, a first sand filter, a second sand filter and a screen filter which are connected in sequence.
5. The biogas slurry drip irrigation system according to claim 4, wherein the outlets of the centrifugal filters are respectively communicated with a first backwashing pipe and a second backwashing pipe, the first backwashing pipe is respectively communicated with the upper end of the first sand filter and the upper end of the second sand filter, the second backwashing pipe is respectively communicated with the lower part of the second sand filter and the lower part of the second sand filter, the tail end of the first backwashing pipe is communicated with a liquid return pipe, the outlet of the liquid return pipe is arranged in the stock solution tank, and the tail end of the second backwashing pipe is communicated with the mesh filter; a first gate valve and a second gate valve are respectively arranged on the first back-flushing pipe and the second back-flushing pipe between the centrifugal filter and the first sand filter; and the liquid return pipe is connected with a third gate valve, and a fourth gate valve is connected on a second backwashing pipe between the second sand filter and the net filter.
6. The biogas slurry drip irrigation system according to claim 5, wherein a fertilizer tank inlet pipe is connected to the second backwash pipe between the second sand filter and the fourth gate valve, the other end of the fertilizer tank inlet pipe is connected to an inlet of the fertilizer tank, a fertilizer tank outlet pipe is connected to the second backwash pipe between the fourth gate valve and the mesh filter, and the other end of the fertilizer tank outlet pipe is connected to an outlet of the fertilizer tank.
7. The biogas slurry drip irrigation system according to claim 6, wherein stop valves are provided on both the fertilizer tank inlet pipe and the fertilizer tank outlet pipe.
8. The biogas slurry drip irrigation system according to claim 1, wherein a submersible mixer fixed on a support platform is provided in the clear liquid tank.
9. The biogas slurry drip irrigation system according to claim 1, wherein a tap water replenishing pipe is provided in the clear liquid tank.
10. The biogas slurry drip irrigation system according to claim 1, wherein level gauges are provided in both the second middle liquid tank and the clear liquid tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461814.6U CN212211944U (en) | 2020-04-01 | 2020-04-01 | Biogas slurry drip irrigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461814.6U CN212211944U (en) | 2020-04-01 | 2020-04-01 | Biogas slurry drip irrigation system |
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| CN212211944U true CN212211944U (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141839A (en) * | 2021-01-27 | 2021-07-23 | 信丰县谷山脐橙专业合作社 | Five-in-one aerobic fermentation water and fertilizer integrated retting and drip irrigation tank |
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2020
- 2020-04-01 CN CN202020461814.6U patent/CN212211944U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141839A (en) * | 2021-01-27 | 2021-07-23 | 信丰县谷山脐橙专业合作社 | Five-in-one aerobic fermentation water and fertilizer integrated retting and drip irrigation tank |
| CN113141839B (en) * | 2021-01-27 | 2024-02-23 | 信丰县谷山脐橙专业合作社 | Five-in-one aerobic fermentation water fertilizer retting drip irrigation tank |
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Granted publication date: 20201225 |