Milk cow dung recycling comprehensive treatment equipment and treatment method thereof

Abstract

The invention relates to the technical field of treatment equipment, in particular to dairy cow dung recycling comprehensive treatment equipment which comprises a separation system, a solid matter treatment system and a liquid matter treatment system. A solid matter output end of the separation system is connected with an input end of the solid matter treatment system, a liquid matter output end of the separation system is connected with an input end of the liquid matter treatment system, the solid matter treatment system is used for treating solid matters in cow dung, and the liquid matter treatment system is used for treating liquid matters in cow dung; the liquid material treatment system comprises a centrifugate storage tank, an elliptic stacking machine, a separated liquid storage tank, a separation and purification unit, a concentration and sedimentation all-in-one machine, a filtering unit and a sterilization unit. According to the equipment, treated manure residues are made into organic fertilizer to generate benefits, and the economic expenditure of a pasture is saved through efficient resource recovery of treated padding; and the liquid dung can be recycled after being purified.

Description

Technical Field

[0001] The invention relates to the technical field of treatment equipment, and in particular to a comprehensive treatment equipment for the resource utilization of dairy cow manure. The invention also designs a treatment method using the comprehensive treatment equipment for the resource utilization of dairy cow manure. Background Art

[0002] Cow manure waste mainly includes feces and urine excreted by dairy cows, washing water and wastewater from milking halls. These manure wastes contain a large amount of organic matter, water, microorganisms and possible pathogens. The treatment of dairy cow manure waste is an indispensable part of the dairy farming process, which is of great significance for maintaining the health of dairy cows, protecting the ecological environment and realizing the sustainable use of resources. On the one hand, traditional dairy cow manure waste treatment requires a lot of material and financial resources. On the other hand, due to the complexity of the treatment process and equipment, professional technicians need to be introduced. Some dairy farms are small in scale and have limited funds, so it is difficult to bear the high treatment costs. Summary of the invention

[0003] The technical problem to be solved by the present invention is: in order to overcome the problem that the treatment of dairy cow manure in the prior art requires a large amount of material and financial resources on the one hand, and on the other hand, due to the complexity of the treatment process and equipment, professional technicians need to be introduced. Some dairy farms are small in scale and have limited funds and cannot afford the high treatment costs. A comprehensive treatment device for the resource utilization of dairy cow manure is provided.

[0004] The technical solution adopted by the present invention to solve the technical problem is: a comprehensive treatment device for dairy cow manure resources, including a separation system, a solid matter treatment system and a liquid matter treatment system, the separation system is used to separate dairy cow manure into solid matter and liquid matter, the solid matter output end of the separation system is connected to the input end of the solid matter treatment system, the liquid matter output end of the separation system is connected to the input end of the liquid matter treatment system, the solid matter treatment system is used to treat the solid matter in the dairy cow manure, and the liquid matter treatment system is used to treat the liquid matter in the dairy cow manure;

[0005] The liquid material treatment system includes a centrifugal liquid storage tank, an elliptical stacker, a separation liquid storage tank, a separation purification unit, a concentration sedimentation integrated machine, a filtering unit and a sterilization unit. The centrifugal liquid storage tank is used to store the centrifugal liquid generated by the separation system. The output end of the centrifugal liquid storage tank is connected to the input end of the elliptical stacker. The elliptical stacker is used to separate feces and mud and sand from the fecal water. The liquid output end of the elliptical stacker is connected to the input end of the separation liquid storage tank. The output end of the separation liquid storage tank is connected to the input end of the separation purification unit. The separation purification unit is used to make the substances in the fecal water flocculate. The output end of the separation purification unit is connected to the input end of the concentration sedimentation integrated machine. The input end is connected, the concentrating and settling machine is used to separate the flocculants and the manure water, the solid output end of the concentrating and settling machine is connected to the input end of the elliptical machine, the liquid output end of the concentrating and settling machine is connected to the input end of the filtration unit, and the filtrate output end of the filtration unit is connected to the input end of the sterilization unit. This equipment produces organic fertilizer from the treated manure residue, and the high-efficiency resource recovery of the treated litter saves the economic expenditure of the ranch. The manure water can be reused after purification. The comprehensive treatment equipment for dairy cow manure not only solves the environmental pollution and the resource recovery of waste after treatment, but also brings economic benefits to the ranch.

[0006] In order to solve the problem of how to arrange the separation system, the separation system further includes a centrifuge, the solid output end of the centrifuge is connected to the input end of the solid processing system, and the liquid output end of the centrifuge is connected to the input end of the liquid processing system.

[0007] In order to solve the problem of how to arrange the solid matter processing system, the solid matter processing system further includes a dryer, and the dryer is used to dry the solid matter separated by the separation system.

[0008] In order to solve the problem of how to arrange the separation and purification unit, the separation and purification unit further includes a first-level dosing device, a first-level sewage separation mixer, a second-level dosing device and a second-level sewage separation mixer. The output end of the separation liquid storage tank is connected to the input end of the first-level sewage separation mixer, the output end of the first-level dosing device is connected to the input end of the first-level sewage separation mixer, the output end of the first-level sewage separation mixer is connected to the input end of the second-level sewage separation mixer, the output end of the second-level dosing device is connected to the input end of the second-level sewage separation mixer, and the output end of the second-level sewage separation mixer is connected to the input end of the concentrating and settling integrated machine.

[0009] The filter unit is further comprised of a filter.

[0010] The sterilization unit further includes an ultrasonic sterilizer and an electrochemical sterilizer.

[0011] The liquid material processing system further includes a first delivery pump, a second delivery pump and a third delivery pump. The centrifuge liquid storage tank is connected to the elliptical stacker through the first conveyor, the separation liquid storage tank is connected to the primary dosing device through the second delivery pump, and the output end of the sterilization unit is connected to the third conveyor.

[0012] In order to solve the problem of inconvenient treatment of the concentrated liquid remaining after filtration by the filtration unit, the concentrated liquid output end of the filtration unit is further connected to the input end of the elliptical stacking machine.

[0013] A method for treating dairy cow manure using a comprehensive treatment device for resource utilization, comprising the following specific steps:

[0014] S1: Cow manure is put into the separation system, where it is centrifugally separated into solid and liquid matter;

[0015] S2: The solids separated by the centrifugal system enter the solids handling system and are dried to a specified moisture content before being provided as bedding for cows.

[0016] S3: The liquid separated by the centrifugal system enters the liquid treatment system and is temporarily stored in the centrifugal liquid storage tank. When the liquid in the centrifugal liquid storage tank reaches a certain amount, it is sent to the elliptical machine through the first delivery pump to separate the feces and mud in the manure water and send the liquid in the manure water to the separation liquid storage tank for storage. When the liquid in the separation liquid storage tank reaches a certain amount, it is sent to the separation and purification unit through the second delivery pump. The separation and purification unit first puts in PAC coagulant, and then puts in PAM flocculant during the operation of the mixed manure water in the separation and purification unit pipeline, so that the manure water is flocculated, and the manure water with flocculants is input into the concentrating and settling machine. The flocculants of the manure water in the concentrating and settling machine naturally settle to the bottom of the pool and are transported to the elliptical machine for separation. The separated manure residue can also be used to make organic fertilizer. The supernatant of the manure water in the concentrating and settling machine overflows to the filtration unit, and the filtered water enters the sterilization unit for sterilization. When the concentrated liquid in the filtration unit reaches a certain concentration in the filtration unit, it is pumped into the elliptical machine, and the separated manure residue is used to make organic fertilizer.

[0017] The beneficial effects of the present invention are as follows: the present invention provides a comprehensive treatment device for dairy cow manure resources, the device produces organic fertilizer from the treated manure residue, the high-efficiency resource recovery of the treated bedding saves the economic expenditure of the ranch, the manure water can be reused after purification, and the comprehensive treatment device for dairy cow manure not only solves environmental pollution and waste resource recovery after treatment, but also brings economic benefits to the ranch;

[0018] After being processed by comprehensive manure resource processing equipment, the treated fiber can be infinitely recycled as bedding for dairy cows on the ranch, saving the ranch considerable costs. The treated manure can be used to make organic fertilizer, and the treated water can be used for irrigation and reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] In the figure: 1. separation system, 2. solid matter processing system, 3. liquid matter processing system, 31. centrifugal liquid storage tank, 32. elliptical stacking machine, 33. separation liquid storage tank, 34. separation and purification unit, 341. primary dosing device, 342. primary sewage separation mixer, 343. secondary dosing device, 344. secondary sewage separation mixer, 35. concentration and sedimentation integrated machine, 36. filtration unit, 37. sterilization unit, 38. first delivery pump, 39. second delivery pump, 310. third delivery pump, 311. fourth delivery pump. DETAILED DESCRIPTION

[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0023] like Figure 1 It is a structural schematic diagram of the present invention, a comprehensive resource processing equipment for dairy cow manure, including a separation system 1, a solid processing system 2 and a liquid processing system 3, the separation system 1 is used to separate dairy cow manure into solid and liquid, the solid output end of the separation system 1 is connected to the input end of the solid processing system 2, the liquid output end of the separation system 1 is connected to the input end of the liquid processing system 3, the solid processing system 2 is used to process the solids in dairy cow manure, and the liquid processing system 3 is used to process the liquids in dairy cow manure; the manure is processed by the comprehensive resource processing equipment, and the processed fibers can be infinitely recycled for use as cow bedding materials in the ranch, saving considerable costs for the ranch, the processed manure can be used to make organic fertilizer, and the processed water can be irrigated and reused.

[0024] The manure produced by dairy cow farming is pumped into the centrifuge of the separation system 1 through a delivery pump for solid-liquid separation. The separated fibers are recycled and utilized as resources, and the separated water enters the liquid treatment system 3.

[0025] like Figure 1As shown, the liquid material processing system 3 includes a centrifuge storage tank 31, an elliptical stacker 32, a separation liquid storage tank 33, a separation purification unit 34, a concentration sedimentation integrated machine 35, a filtration unit 36 ​​and a sterilization unit 37. The centrifuge storage tank 31 is used to store the centrifuge generated by the separation system 1. The output end of the centrifuge storage tank 31 is connected to the input end of the elliptical stacker 32. The elliptical stacker 32 is used to separate feces and mud and sand from the feces water. The liquid output end of the elliptical stacker 32 is connected to the input end of the separation liquid storage tank 33. The separation liquid storage tank 33 The output end of the separation and purification unit 34 is connected to the input end of the separation and purification unit 34, the separation and purification unit 34 is used to make the substances in the feces and water flocculate, the output end of the separation and purification unit 34 is connected to the input end of the concentrating and sedimentation integrated machine 35, the concentrating and sedimentation integrated machine 35 is used to separate the flocculants and feces and water, the solid output end of the concentrating and sedimentation integrated machine 35 is connected to the input end of the elliptical machine 32, the liquid output end of the concentrating and sedimentation integrated machine 35 is connected to the input end of the filtration unit 36, and the filtrate output end of the filtration unit 36 ​​is connected to the input end of the sterilization unit 37.

[0026] like Figure 1 As shown, the separation system 1 includes a centrifuge, the solid output end of the centrifuge is connected to the input end of the solid processing system 2, and the liquid output end of the centrifuge is connected to the input end of the liquid processing system 3. The centrifuge can be specifically a three-phase grading centrifuge.

[0027] During the processing, the centrifuge separates and dries the fibers in the manure and recycles them into cow bedding. Part of the treated water is used for irrigation and part can be reused. The solid manure residue after separation can be used to make organic fertilizer.

[0028] like Figure 1 As shown, the solid handling system 2 includes a dryer, which is used to dry the solids separated by the separation system 1. The dryer dries the fibers separated by the centrifuge, and after drying to a specified moisture content, it can be provided to cow bedding materials.

[0029] like Figure 1 As shown, the feces water separated by the centrifuge is pumped into the elliptical machine 32 to separate the feces and mud and sand in the feces water, and the separated solid residue can be used to make organic fertilizer.

[0030] like Figure 1As shown, the separation and purification unit 34 includes a primary dosing device 341, a primary sewage separation mixer 342, a secondary dosing device 343 and a secondary sewage separation mixer 344. The output end of the separation liquid storage tank 33 is connected to the input end of the primary sewage separation mixer 342, the output end of the primary dosing device 341 is connected to the input end of the primary sewage separation mixer 342, the output end of the primary sewage separation mixer 342 is connected to the input end of the secondary sewage separation mixer 344, the output end of the secondary dosing device 343 is connected to the input end of the secondary sewage separation mixer 344, the output end of the secondary sewage separation mixer 344 is connected to the input end of the thickening and sedimentation integrated machine 35, and the primary dosing device 341 and the secondary dosing device 343 are used to dissolve the PAC powder into a solvent and add it to the feces water.

[0031] The water separated by the elliptical stacker 32 is pumped into the primary sewage separation mixer 342 through a delivery pump, and the primary dosing device 341 injects PAC coagulant into the primary sewage separation mixer 342. The secondary dosing device 343 injects PAM flocculant into the secondary sewage separation mixer 344, and the fecal water is firstly coagulated and then flocculated to obtain a better flocculation effect.

[0032] Concentration and sedimentation integrated machine 35: The flocculated manure enters the concentration and sedimentation integrated machine 35, and the flocculated mass naturally settles to the bottom of the pool and is pumped to the elliptical machine 32 through a delivery pump. The separated manure residue can also be used to make organic fertilizer, and the supernatant overflows to the filtration unit 36

[0033] like Figure 1 As shown, the filter unit 36 ​​is a filter. The filtered water enters the sterilization unit 37, and when the concentrated liquid reaches a certain concentration in the filter, it is pumped into the ovalizer 32, and the separated feces residue is used to make organic fertilizer.

[0034] like Figure 1 As shown, the sterilization unit 37 is an ultrasonic sterilizer and an electrochemical sterilizer. The filtered water is sterilized by ultrasound and electrochemistry, and the sterilized water can be used for irrigation and reuse.

[0035] The liquid material processing system 3 includes a first delivery pump 38, a second delivery pump 39 and a third delivery pump 310. The centrifuge liquid storage tank 31 is connected to the elliptical stacker 32 through the first conveyor, the separation liquid storage tank 33 is connected to the primary dosing device 341 through the second delivery pump 39, and the output end of the sterilization unit 37 is connected to the third conveyor.

[0036] The concentrate output end of the filtration unit 36 ​​is connected to the input end of the laminator 32 .

[0037] A method for treating dairy cow manure using a comprehensive treatment device for resource utilization, comprising the following specific steps:

[0038] S1: Cow manure is put into separation system 1, and is centrifugally separated into solid matter and liquid matter in separation system 1;

[0039] S2: The solids separated by the centrifugal system 1 enter the solids processing system 2 and are dried to a specified moisture content before being provided as bedding for cows;

[0040] S3: The liquid separated by the centrifugal system 1 enters the liquid treatment system 3 and is temporarily stored in the centrifugal liquid storage tank 31. When the liquid in the centrifugal liquid storage tank 31 reaches a certain amount, it is sent to the elliptical stacker 32 through the first delivery pump 38 to separate the feces and mud in the feces water and to the separation liquid storage tank 33 for storage. When the liquid in the separation liquid storage tank 33 reaches a certain amount, it is sent to the separation and purification unit 34 through the second delivery pump 39. The separation and purification unit 34 first adds PAC coagulant aid, and the mixed feces water runs through the pipeline of the separation and purification unit 34. Then, PAM flocculant is added during the process to make the manure water flocculate, and the manure water with flocculants is input into the concentrating and settling machine 35. The flocculants of the manure water in the concentrating and settling machine 35 naturally settle to the bottom of the pool and are transported to the elliptical stacker 32 for separation. The separated manure residue can also be used to make organic fertilizer. The supernatant of the manure water in the concentrating and settling machine 35 overflows into the filtration unit 36, and the filtered water enters the sterilization unit 37 for sterilization. When the concentrated liquid in the filtration unit 36 ​​reaches a certain concentration in the filtration unit 36, it is pumped into the elliptical stacker 32, and the separated manure residue is used to make organic fertilizer.

[0041] The cow manure is sent into the centrifuge of the centrifugal system 1 through a delivery pump. The cow manure is separated into solid matter (fiber) and liquid matter (manure liquid) by the centrifuge. The solid matter enters the dryer of the solid matter processing system 2 for drying. After drying to a specified moisture content, it can be provided to the cow bedding material; the liquid matter enters the centrifuge liquid storage tank 31, and the liquid matter in the centrifuge liquid storage tank 31 enters the elliptical stacker 32. The manure water separated by the centrifuge is pumped into the elliptical stacker 32 to separate the manure and mud and sand in the manure water. The separated solid residue can be used to make organic fertilizer. The manure water separated by the elliptical stacker 32 is input into the separation liquid storage tank 33, and the manure water in the separation liquid storage tank 33 is sent into the primary sewage separation mixer 342 through the second delivery pump 39. The primary dosing device 341 adds PAC coagulant aid to the primary sewage separation mixer 342. The primary sewage separation mixer 342 inputs the PAC coagulant into the secondary sewage separation mixer 344, and the secondary dosing device 343 inputs PAM flocculant into the secondary sewage separation mixer 344. The fecal water after flocculation in the secondary sewage separation mixer 344 enters the concentration and sedimentation integrated machine 35, and the flocculants naturally settle to the bottom of the pool and are pumped to the elliptical stacker 32 by the delivery pump. The separated feces can also be used to make organic fertilizer, and the supernatant overflows to the filtration unit 36. The water filtered by the filtration unit 36 ​​is sterilized by ultrasound and electrochemistry of the sterilization unit 37. The sterilized water can be used for irrigation and reuse, which solves the pollution of the environment and land caused by the feces generated by dairy cow breeding in the ranch, realizes the full-chain resource utilization of agricultural organic waste, and achieves the goal of comprehensive, efficient, pollution-free and low-energy consumption agriculture.

[0042] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A comprehensive treatment equipment for dairy cow manure resources, characterized in that: The invention comprises a separation system (1), a solid matter processing system (2) and a liquid matter processing system (3); the separation system (1) is used to separate dairy cow manure into solid matter and liquid matter; the solid matter output end of the separation system (1) is connected to the input end of the solid matter processing system (2); the liquid matter output end of the separation system (1) is connected to the input end of the liquid matter processing system (3); the solid matter processing system (2) is used to process the solid matter in the dairy cow manure; and the liquid matter processing system (3) is used to process the liquid matter in the dairy cow manure; The liquid material treatment system (3) comprises a centrifuge storage tank (31), an elliptical stacker (32), a separation liquid storage tank (33), a separation purification unit (34), a concentration sedimentation integrated machine (35), a filtration unit (36) and a sterilization unit (37), wherein the centrifuge storage tank (31) is used to store the centrifuge generated by the separation system (1), the output end of the centrifuge storage tank (31) is connected to the input end of the elliptical stacker (32), the elliptical stacker (32) is used to separate feces and mud and sand from fecal water, the liquid output end of the elliptical stacker (32) is connected to the input end of the separation liquid storage tank (33), and the separation liquid storage tank (34) is connected to the input end of the separation liquid storage tank (34). The output end of the separation and purification unit (33) is connected to the input end of the separation and purification unit (34), the separation and purification unit (34) is used to cause flocculation of substances in the fecal water, the output end of the separation and purification unit (34) is connected to the input end of the concentration and sedimentation integrated machine (35), the concentration and sedimentation integrated machine (35) is used to separate the flocculants and fecal water, the solid matter output end of the concentration and sedimentation integrated machine (35) is connected to the input end of the elliptical machine (32), the liquid matter output end of the concentration and sedimentation integrated machine (35) is connected to the input end of the filtration unit (36), and the filtrate output end of the filtration unit (36) is connected to the input end of the sterilization unit (37).

2. The comprehensive treatment equipment for dairy cow manure resources according to claim 1, characterized in that: The separation system (1) comprises a centrifuge, wherein a solid matter output end of the centrifuge is connected to an input end of a solid matter processing system (2), and a liquid matter output end of the centrifuge is connected to an input end of a liquid matter processing system (3).

3. The comprehensive treatment equipment for dairy cow manure resources according to claim 1, characterized in that: The solid matter processing system (2) comprises a dryer, and the dryer is used to dry the solid matter separated by the separation system (1).

4. The comprehensive treatment equipment for dairy cow manure resources according to claim 1, characterized in that: The separation and purification unit (34) includes a primary dosing device (341), a primary sewage separation mixer (342), a secondary dosing device (343) and a secondary sewage separation mixer (344). The output end of the separation liquid storage tank (33) is connected to the input end of the primary sewage separation mixer (342), the output end of the primary dosing device (341) is connected to the input end of the primary sewage separation mixer (342), the output end of the primary sewage separation mixer (342) is connected to the input end of the secondary sewage separation mixer (344), the output end of the secondary dosing device (343) is connected to the input end of the secondary sewage separation mixer (344), and the output end of the secondary sewage separation mixer (344) is connected to the input end of the concentrating and settling integrated machine (35).

5. The comprehensive treatment equipment for dairy cow manure resource utilization according to claim 1, characterized in that: The filtering unit (36) is a filter.

6. The comprehensive treatment equipment for dairy cow manure resources according to claim 1, characterized in that: The sterilization unit (37) is an ultrasonic sterilizer and an electrochemical sterilizer.

7. The comprehensive treatment equipment for dairy cow manure resources according to claim 4, characterized in that: The liquid material processing system (3) includes a first delivery pump (38), a second delivery pump (39) and a third delivery pump (310); the centrifuge liquid storage tank (31) is connected to the elliptical stacker (32) via a first conveyor; the separation liquid storage tank (33) is connected to the primary dosing device (341) via a second delivery pump (39); and the output end of the sterilization unit (37) is connected to the third conveyor.

8. The comprehensive treatment equipment for dairy cow manure resources according to claim 1, characterized in that: The concentrated liquid output end of the filtering unit (36) is connected to the input end of the elliptical machine (32).

9. A method for treating cow manure using the comprehensive treatment equipment for resource utilization of dairy cow manure according to any one of claims 1 to 8, characterized in that: The specific steps include: S1: Cow manure is put into a separation system (1), and is centrifugally separated into solid matter and liquid matter in the separation system (1); S2: The solids separated by the centrifugal system (1) enter the solids treatment system (2) and are dried to a specified moisture content before being provided as bedding for cows; S3: The liquid separated by the centrifugal system (1) enters the liquid treatment system (3) and is temporarily stored in the centrifugal liquid storage tank (31). When the liquid in the centrifugal liquid storage tank (31) reaches a certain amount, it is sent to the elliptical stacker (32) through the first delivery pump (38) to separate the feces and mud in the feces water and to send the liquid in the feces water to the separation liquid storage tank (33) for storage. When the liquid in the separation liquid storage tank (33) reaches a certain amount, it is sent to the separation and purification unit (34) through the second delivery pump (39). The separation and purification unit (34) firstly adds PAC coagulant aid, and the mixed feces water is transported in the pipeline of the separation and purification unit (34). During the process, a PAM flocculant is added to cause the fecal water to flocculate, and the fecal water with flocculants is input into a concentrating and settling machine (35). The flocculants of the fecal water in the concentrating and settling machine (35) naturally settle to the bottom of the pool and are transported to an elliptical stacker (32) for separation. The fecal residue after separation can also be used to make organic fertilizer. The supernatant of the fecal water in the concentrating and settling machine (35) overflows into the filtering unit (36). The filtered water enters the sterilizing unit (37) for sterilization. When the concentrated liquid in the filtering unit (36) reaches a certain concentration in the filtering unit (36), it is pumped into the elliptical stacker (32). The fecal residue after separation can be used to make organic fertilizer.

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