CN217103464U - Pig farm liquid manure treatment facility - Google Patents
Pig farm liquid manure treatment facility Download PDFInfo
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- CN217103464U CN217103464U CN202122745984.4U CN202122745984U CN217103464U CN 217103464 U CN217103464 U CN 217103464U CN 202122745984 U CN202122745984 U CN 202122745984U CN 217103464 U CN217103464 U CN 217103464U
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Abstract
The utility model provides a pig farm liquid manure treatment device, which comprises a liquid manure pretreatment module, a liquid manure storage pool, a liquid manure fine treatment module and a liquid manure module; liquid fertilizer materials to be treated are input from the inlet end of the liquid fertilizer pretreatment module, and the liquid fertilizer materials are conveyed from the outlet end to a liquid fertilizer storage pool; the liquid fertilizer storage pool is of a structure made of a construction base surface radiation geomembrane anti-seepage cloth material; the inlet end of the liquid fertilizer fine treatment module pumps liquid fertilizer into the liquid fertilizer storage pool, and the outlet end of the liquid fertilizer fine treatment module outputs the liquid fertilizer to the liquid fertilizer module; the water and fertilizer module is used for conveying the treated liquid fertilizer to irrigate. This equipment, the effectual liquid fertilizer that has solved because of pig farm waste water incoming water period and the liquid fertilizer irrigation period mismatch and cause is idle rotten problem, has avoided the inefficacy of liquid fertilizer processing system. In addition, the equipment has the characteristics of reliable operation, long service life, low cost and almost no maintenance.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment process, especially relate to a pig farm liquid manure treatment facility.
Background
The live pig industry is an important component of the modern agricultural industry system and has important significance for guaranteeing the national quality of life. With the rapid development of intensive breeding industry, the problem of fecal sewage pollution in farms becomes more severe, and fecal sewage becomes one of the important environmental pollution sources.
The excrement contains huge resource potential, and solid fertilizer and liquid fertilizer can be formed through preliminary solid-liquid separation, precipitation, filtration, fermentation and other treatment, wherein the solid fertilizer can be directly returned to the field, and the liquid fertilizer is used for carrying out drip irrigation, sprinkling irrigation and infiltrating irrigation on farmlands through a pipe network.
The prior liquid fertilizer treatment process after the manure pretreatment has the problems of short equipment investment service life, unstable treatment effect, high equipment cost and the like.
Disclosure of Invention
The technical scheme is as follows: in order to solve the technical problem, the utility model provides a pair of pig farm liquid manure treatment facility specifically is: the device comprises a liquid fertilizer pretreatment module, a liquid fertilizer storage pool, a liquid fertilizer fine treatment module and a water fertilizer module; liquid fertilizer materials to be treated are input from the inlet end of the liquid fertilizer pretreatment module, and the liquid fertilizer materials are conveyed from the outlet end to a liquid fertilizer storage pool; the liquid fertilizer storage pool is of a structure made of a construction base surface radiation geomembrane anti-seepage cloth material; the inlet end of the liquid fertilizer fine treatment module pumps liquid fertilizer into the liquid fertilizer storage pool, and the outlet end of the liquid fertilizer fine treatment module outputs the liquid fertilizer to the liquid fertilizer module; the water and fertilizer module is used for conveying the treated liquid fertilizer to irrigate.
As an improvement, the liquid fertilizer pretreatment module comprises a horizontal flow type sedimentation tank and a sewage blocking channel; pumping a liquid fertilizer mixture to be treated into the horizontal flow type sedimentation tank, and conveying the liquid fertilizer mixture to a sewage blocking channel from an outlet end; and the outlet end of the sewage blocking channel is used for conveying liquid fertilizer to a liquid fertilizer storage pool.
As an improvement, the horizontal flow type sedimentation tank comprises a rectification section module, a sedimentation section module and a sludge hopper; the rectifying section module carries out energy dissipation and water distribution treatment on the incoming water through the distillation tank and the rectifying plate, the settling section module is used for settling and separating liquid fertilizer, the supernatant is discharged to the water outlet channel, and suspended matters are sunk into the sludge hopper; the sludge hopper is used for storing sludge.
As an improvement, the trash rack comprises a front trash rack and a rear trash rack, wherein the number of the grid holes of the front trash rack is smaller than that of the rear trash rack, and the number of the rear trash rack is 80-90 meshes.
As an improvement, the liquid fertilizer fine treatment module comprises a water diversion device, a screen filter and a quartz sand filter; liquid fertilizer storage pool is communicated to diversion ware one end, and the other end is carried liquid fertilizer and is passed through screen filter, quartz sand filter in proper order, is carried liquid fertilizer to liquid manure module by quartz sand filter.
As the improvement, the screen filter is a vertical quick-opening filter, and the inner screen is of a detachable structure made of stainless steel.
As an improvement, the quartz sand filters are provided with two groups which are connected in parallel.
As an improvement, the quartz sand filter) comprises at least one group of high-speed filtering units, and a water distributor, a filtering layer and a water collector are sequentially arranged in sequence, wherein the filtering layer is of a sand filter bed structure.
As an improvement, a filter layer medium structure is added in the filter layer, wherein the filter layer medium is a structure provided with an active carbon or anthracite adsorbing material
As an improvement, the device also comprises a sewage collecting tank, a solid-liquid separation tank, a composting tank, a sedimentation tank and a fermentation pond; wherein the sewage collecting tank is used for containing the manure liquid in the pig farm; the inlet end of the solid-liquid separation tank conveys excrement liquid in the sewage collection tank for solid-liquid separation; the composting pool is used for discharging solid-liquid separated solids into the composting pool and then entering the sedimentation pool; supernatant in the sedimentation tank enters a fermentation pond for fermentation treatment, fermented residue liquid is conveyed to a liquid fertilizer pretreatment module, and methane is conveyed to a methane treatment assembly.
Has the advantages that: the utility model provides an equipment, to current liquid manure processing system's shortcoming, after this technology is handled, the particulate matter is got rid of to the liquid manure, the suspended solid, water is easily bred such as alga, the irrigation system who ensures continuous operation does not block up, irrigation system's maintenance cost has greatly been reduced, the mode of the preliminary treatment of liquid manure + storage + fine processing simultaneously, the effectual liquid manure that has solved because of pig farm waste water incoming water period and liquid manure irrigate the period and mismatch and cause is idle rotten problem, the inefficacy of liquid manure processing system has been avoided. In addition, the equipment required by the process has the characteristics of reliable operation, long service life, low cost and almost no maintenance.
Drawings
FIG. 1 is a process flow chart of the treatment equipment for liquid manure in pig farms.
FIG. 2 is a schematic plan view of the processing equipment for liquid manure treatment in pig farm of the present invention.
FIG. 3 is a flow chart of the pretreatment and fine treatment module of the pig farm manure treatment equipment of the present invention.
In the figure: the device comprises a liquid fertilizer pretreatment module 1, a liquid fertilizer storage pool 2, a liquid fertilizer fine treatment module 3, a liquid fertilizer module 4, an advection type sedimentation tank 5, a rectification section module 51, a sedimentation section module 52, a sludge hopper 53, a sewage blocking channel 6, a water diversion device 7, a screen filter 8, a quartz sand filter 9, a sewage collecting tank 10, a solid-liquid separation tank 11, a composting tank 12, a sedimentation tank 13, a fermentation pond 14, a methane treatment component 15 and a fertilizer tank car 16.
Detailed Description
The following describes the present invention in further detail with reference to examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Pig urine and pig manure in the pigsty are discharged into the sewage collecting tank 10 for collection and periodical centralized treatment. Discharging the solid and liquid into a solid-liquid separation tank 11, discharging the solid into a composting tank 12 for aerobic composting, discharging the liquid into a sedimentation tank 13, discharging the residual solid at the bottom into the aerobic composting tank, discharging the supernatant liquid of the sedimentation into a fermentation pond 14 for anaerobic fermentation, feeding the biogas generated after the fermentation into a biogas treatment component 15 through a biogas pipe, and conveying the biogas after the filtration, the desulfurization and the carbon removal to a biogas boiler through a gas outlet pipe.
Biogas slurry and biogas residues in the fermentation pond 14 pass through the fertilizing tank truck 16, one part of the biogas slurry and the biogas residues are directly returned to the field, the other part of the biogas slurry and the biogas residues enter the liquid fertilizer pretreatment system, large granular substances are precipitated through the advection type sedimentation tank, supernate enters the sewage blocking channel, and the liquid fertilizer after scum blocking enters the long-strip-shaped liquid fertilizer groove storage tank, so that the system finishes the pretreatment of the liquid fertilizer.
When the farmland needs to be fertilized, a water leading device is used for taking water from the long-strip-shaped liquid fertilizer storage pool, liquid fertilizer is pumped into the stainless steel screen filter, algae and aggregated particles generated by long-time storage of the liquid fertilizer are removed, water produced by the filter enters the quartz sand filter, and the fine treatment of the liquid fertilizer is completed by the system. The liquid fertilizer after the fine treatment is loaded by a fertilizing tank car through a liquid taking valve and is transported to various places for fertilizing or is directly connected with a liquid fertilizer system for fertilizing nearby farmlands.
The liquid fertilizer storage pool 2 adopts a method of constructing a base plane and paving geomembrane anti-seepage cloth, the method is low in construction cost and long in service life, and meanwhile, the liquid fertilizer storage pool is combined with the liquid fertilizer pretreatment module 1, so that the problem that the stored liquid fertilizer particles are settled and are not easy to remove, and the effective volume is reduced in the using process is solved.
The water particles produced by the liquid fertilizer fine treatment module 3 are less than 70 mu m, so that the continuous operation of a drip irrigation system in a liquid fertilizer system is ensured without blockage.
The horizontal flow sedimentation tank 5 is a sedimentation tank with a rectangular tank body plane and composed of a rectification section module 51, a sedimentation section module 52 and a sludge hopper 53. The water inlet is provided with a rectifying groove and a rectifying plate which respectively dissipate energy and distribute water uniformly to the incoming water, so that the water distribution uniformity of the water flow along the water passing section of the pool is ensured. The sedimentation section adopts an optimal length-width ratio, uniform sedimentation is carried out according to the advection sedimentation principle to realize mud-water separation, supernatant flows into the water outlet channel, and suspended matters are sunk into the sludge hopper. The sludge hopper is used for accumulating and concentrating the precipitated sludge, the sludge is periodically discharged by a sludge suction pump, and the discharged sludge can be directly returned to the field as a solid fertilizer.
The trash channel 6 is connected with the horizontal sedimentation tank 5 through a pipeline and is arranged behind the liquid fertilizer storage tank. The mesh number of the grid holes of the front trash rack in the trash rack 6 is smaller than that of the rear trash rack, the rear trash rack is 80-90 meshes, preferably, the front trash rack is 50-60 meshes, the rear trash rack is 80-90 meshes, the water suspension in the sedimentation tank is intercepted, it is ensured that the liquid fertilizer entering the liquid fertilizer storage tank does not contain large-particle impurities and suspended matters, and further the effective volume of the liquid fertilizer storage tank is ensured not to be reduced along with the sedimentation of bottom particles.
The liquid fertilizer storage pool 2 is used as a storage land for circulating economic liquid fertilizer in a pig farm by adopting a method of constructing a base plane and paving geomembrane anti-seepage cloth. The geomembrane is formed by compounding a plastic film serving as an anti-seepage base material and non-woven fabrics, combines the characteristics of the two materials, has the advantages of small specific gravity, strong extensibility, high adaptive deformability, corrosion resistance and low temperature resistance, can completely be used for storing liquid fertilizer, and has the service life of more than 10 years.
The screen filter 8 can be a stainless steel screen for filtration, and further is a vertical quick-opening filter, and the built-in stainless steel screen filters the incoming water, and has the characteristics of stable operation, high water production rate, small occupied area and the like. Meanwhile, the equipment does not need to be backwashed, and only the screen is taken out periodically for cleaning.
The principle of the quartz sand filter 9 is that a sand filter bed with a certain thickness is utilized to filter out organic and inorganic solid suspended matters in raw water, the structure is simple, the cost performance is high, the filtering precision is ensured, and the quartz sand filter has the following characteristics:
1. the filtering system can be composed of one or more standard high-speed filtering units, raw water passes through the internal water distributor, the filtering layer and the water collector, and the filtering layer medium is utilized to effectively remove suspended matters and reduce turbidity. (if a specific filter material, such as active carbon, anthracite and the like, is filled in, corresponding organic matters and harmful ions can be removed by adsorption.)
2. Can be used as an independent filtering system or a side filtering system, and if a plurality of processing units are arranged on a common pipeline, the filtering capacity of the system can be expanded infinitely.
3. The device can work stably for a long time under the condition of large flow and small pressure loss, is energy-saving and environment-friendly, and is basically free of maintenance.
4. The backwashing system is simple, does not need a backwashing pump, is easy to operate, and ensures that the system keeps a consistent filtering effect.
5. The tank body is skid-mounted, the installation is convenient, and hoisting equipment is not needed.
6. The system has small occupied area, and the arrangement of the filter units can be flexibly arranged according to the actual land use situation.
7. The system is light in weight, and does not need special foundation, namely common cement.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a pig farm liquid manure treatment facility which characterized in that: the device comprises a liquid fertilizer pretreatment module (1), a liquid fertilizer storage pool (2), a liquid fertilizer fine treatment module (3) and a liquid fertilizer module (4); liquid fertilizer materials to be processed are input from the inlet end of the liquid fertilizer pretreatment module (1), and the outlet end of the liquid fertilizer pretreatment module is conveyed into the liquid fertilizer storage pool (2); the liquid fertilizer storage pool (2) is of a structure made of a construction base surface radiation geomembrane anti-seepage cloth material; the liquid fertilizer in the liquid fertilizer storage pool (2) is pumped into the inlet end of the liquid fertilizer fine treatment module (3), and the liquid fertilizer is output to the liquid fertilizer module (4) at the outlet end; the water and fertilizer module (4) is used for conveying the treated liquid fertilizer to irrigate.
2. The pig farm liquid manure treatment equipment according to claim 1, characterized in that: the liquid fertilizer pretreatment module (1) comprises a horizontal flow type sedimentation tank (5) and a sewage blocking channel (6); the horizontal flow type sedimentation tank (5) pumps liquid fertilizer mixture to be treated, and the outlet end of the horizontal flow type sedimentation tank conveys the liquid fertilizer mixture to a trash blocking channel (6); and the outlet end of the trash blocking channel (6) conveys liquid fertilizer to the liquid fertilizer storage pool (2).
3. The pig farm liquid manure treatment equipment according to claim 2, characterized in that: the horizontal flow type sedimentation tank (5) comprises a rectification section module (51), a sedimentation section module (52) and a sludge hopper (53); the rectifying section module (51) carries out energy dissipation and water distribution treatment on the incoming water through a distillation tank and a rectifying plate, the settling section module (52) is used for settling and separating liquid fertilizer, the supernatant is discharged to a water outlet channel, and suspended matters are sunk into a sludge hopper (53); the sludge hopper (53) is used for storing sludge.
4. The pig farm liquid manure treatment equipment according to claim 2, characterized in that: the trash rack (6) comprises a front trash rack and a rear trash rack, wherein the number of the grid holes of the front trash rack is smaller than that of the rear trash rack, and the number of the rear trash rack is 80-90 meshes.
5. The pig farm liquid manure treatment equipment according to claim 1, characterized in that: the liquid fertilizer fine treatment module (3) comprises a water diversion device (7), a screen filter (8) and a quartz sand filter (9); and one end of the water diversion device (7) is communicated with the liquid fertilizer storage pool (2), and the other end of the water diversion device conveys the liquid fertilizer to the liquid fertilizer module (4) through the screen filter (8) and the quartz sand filter (9) in sequence and the quartz sand filter (9).
6. The pig farm liquid manure treatment equipment according to claim 5, characterized in that: the screen filter (8) is a vertical quick-opening filter, and the inner screen is of a detachable structure made of stainless steel.
7. The pig farm liquid manure treatment equipment according to claim 5, characterized in that: the quartz sand filters (9) are arranged in two groups and are connected in parallel.
8. The pig farm liquid manure treatment plant according to claim 5 or 7, characterized in that: the quartz sand filter (9) comprises at least one group of high-speed filtering units, and is sequentially provided with a water distributor, a filtering layer and a water collector, wherein the filtering layer is of a sand filter bed structure.
9. The pig farm liquid manure treatment equipment according to claim 8, characterized in that: a filter layer medium structure is added in the filter layer, wherein the filter layer medium is a structure provided with an active carbon or anthracite adsorption material.
10. The pig farm liquid manure treatment equipment according to claim 1, characterized in that: the device also comprises a sewage collecting tank (10), a solid-liquid separation tank (11), a composting tank (12), a sedimentation tank (13) and a fermentation pond (14); wherein the sewage collecting tank (10) is used for containing the dung and sewage liquid of the pig farm; the inlet end of the solid-liquid separation tank (11) conveys the excrement liquid in the sewage collection tank (10) for solid-liquid separation; the composting pool (12) is used for discharging solid-liquid separated solids into a settling pond (13); supernatant in the sedimentation tank (13) enters a fermentation pond (14) for fermentation treatment, fermented residue liquid is conveyed to the liquid fertilizer pretreatment module (1), and methane is conveyed to the methane treatment component (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122745984.4U CN217103464U (en) | 2021-11-10 | 2021-11-10 | Pig farm liquid manure treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122745984.4U CN217103464U (en) | 2021-11-10 | 2021-11-10 | Pig farm liquid manure treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217103464U true CN217103464U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122745984.4U Active CN217103464U (en) | 2021-11-10 | 2021-11-10 | Pig farm liquid manure treatment facility |
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|---|---|
| CN (1) | CN217103464U (en) |
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2021
- 2021-11-10 CN CN202122745984.4U patent/CN217103464U/en active Active
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