CN210538006U - Energy-saving consumption-reducing type cleaning system for milking appliance - Google Patents

Abstract

The utility model provides an energy-saving consumption-reducing cleaning system for milking appliances, which belongs to the technical field of breeding environmental protection equipment, alkaline liquid and acidic liquid outlets of acid and alkaline solution generating devices in the system are connected with an inlet of a cleaning tank for containing milking appliances by means of pipelines, a drain port of the cleaning tank is connected with a sewage post-treatment mechanism, the sewage post-treatment mechanism comprises a raw water tank, a pretreatment device, a reverse osmosis device and a reservoir which are sequentially arranged by means of pipelines, the drain port of the cleaning tank is connected with the inlet of the raw water tank by means of pipelines, the outlet of the raw water tank is connected with the inlet of the pretreatment device, the infusion port of the pretreatment device is connected with the inlet of the reverse osmosis device, the purified water outlet and the concentrated water outlet of the reverse osmosis device are respectively connected with the reservoir and the concentrated water storage tank, and a pressure pump is further arranged on a connecting pipeline between the pretreatment device and the reverse osmosis device. The utility model discloses reached "zero release" standard, realized the cyclic utilization of resource, reduced manufacturing cost.

Description

Energy-saving consumption-reducing type cleaning system for milking appliance

Technical Field

The utility model belongs to the technical field of breed environmental protection equipment, a cleaning system of the utensil of usefulness of milking is related to in the dairy farm, specifically is an energy saving and consumption reduction type cleaning system that the utensil of milking was used.

Background

It has been investigated that milk dries when it comes into contact with the surface of a milking implement and slowly adheres to the surface of the equipment, forming a layer of milk film formed by the aggregation of proteins, fats, inorganic substances, etc., and that when the milk film is not washed clean, the residue is a dirt formed by proteins and inorganic substances which are difficult to remove, and such dirt forms scaly thick film-like milk scales after long-term accumulation and firmly adheres to the wall of the equipment.

At present, most of milking utensils in dairy farms are cleaned by an acid-alkali cleaning mode, and a mixed solution generated after cleaning has a ph value of 11.2, a COD value of 28.59, an ammonia nitrogen value of 0.084 and a phosphorus content value of 38.6. If the discharge of the cleaning liquid reaches the standard of pH value 9, the cleaning liquid needs to be diluted by 100 times. A1000-head pasture is kept, 2 tons of acid-base cleaning sewage are generated every day, 730 tons of sewage are generated every year, 7.2 ten thousand tons of pure water are consumed for diluting and discharging in a standard mode, and accordingly great resource consumption is caused.

At present, the mode of sewage treatment in a pasture is mostly a pretreatment-MBR biochemical treatment-ultrafiltration-advanced treatment mode, and acid-base cleaning sewage has a high pH value, so that a 'dead bed' appears in the microbial fermentation stage of sewage treatment, namely, fermentation microorganisms are killed, and the effect of sewage treatment is lost. Therefore, the conventional sewage treatment method has difficulty in treating sewage for cleaning the milking implement.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses an energy saving and consumption reduction type cleaning system that milking implement used has practiced thrift a large amount of water resources, has realized carrying out pollution-free treatment to the sewage that washs milking implement and produce, has reached the standard of "zero release", has realized the circulated recycle of resource, the cost is reduced.

The utility model discloses a technical scheme be, an energy saving and consumption reduction type cleaning system that milking implement used, including acid, the alkaline solution generating device of washing usefulness in the system, the key lies in: acid, alkaline solution generating device's alkaline liquid, acid liquor outlet all link to each other with the help of pipeline and the washing tank entry that holds the utensil of milking, the drain of washing tank be connected with sewage aftertreatment mechanism, include among this sewage aftertreatment mechanism with the help of former pond, preprocessing device, reverse osmosis unit and the cistern that the pipeline set gradually, the drain of washing tank is with the help of the entry linkage in pipeline and former pond, the export in former pond links to each other with preprocessing device's entry, preprocessing device's infusion mouth and reverse osmosis unit's entry linkage, reverse osmosis unit's water purification delivery port connect the cistern, reverse osmosis unit's concentrated water delivery port is connected concentrated water storage pond, the connecting tube between preprocessing device and the reverse osmosis unit on still be provided with the force pump.

Furthermore, the acid and alkaline solution generating device comprises an electrolytic bath containing an electrolyte solution, a cathode electrode and an anode electrode immersed in the electrolyte solution and a direct current power supply connected with the cathode electrode and the anode electrode, wherein alkaline solution and acid solution outlets are arranged on the outer walls of two chambers separated by an ion exchange membrane in the electrolytic bath.

Further, the pretreatment device is an activated carbon filter.

Furthermore, an ultrafiltration device is arranged between the pretreatment device and the reverse osmosis device, the inlet of the ultrafiltration device is connected with the infusion port of the pretreatment device, and the outlet of the ultrafiltration device is connected with the inlet of the reverse osmosis device.

Further, the electrolyte solution is a sodium chloride solution.

Furthermore, the inlet of the concentrated water storage tank is connected with the reservoir through a water inlet pipe with a water inlet valve, and the outlet of the concentrated water storage tank is connected with the acid and alkaline solution generating device.

Furthermore, flow regulating valves are arranged on pipelines connecting the alkaline liquid outlet and the acidic liquid outlet with the inlet of the cleaning tank for containing the milking implement.

The beneficial effects of the utility model are that through the technical scheme of this application, can realize carrying out pollution-free treatment to the sewage that the utensil of milking washd the production, the washing sewage through the processing has reached the standard of retrieving and recycling, has practiced thrift the water resource, reaches "zero release" standard, can reduce 700 tons for every pasture basicity sewage annual emission to can practice thrift cleaning solution cost 2 ten thousand yuan, realized energy saving and consumption reduction's target, reached environmental protection's requirement.

Drawings

Fig. 1 is a block diagram of the system structure of the present invention.

Fig. 2 is a schematic structural diagram of the acid/alkaline solution generator of the present invention.

In the drawing, 1 is an acid and alkali solution generating device, 2 is a cleaning tank, 3 is a raw water tank, 4 is a pretreatment device, 5 is a reverse osmosis device, 6 is a concentrated water storage tank, 7 is a reservoir, 8 is a pressure pump, 9 is an ion exchange membrane, 11 is an ultrafiltration device, 12 is a water inlet valve, 13 is an electrolytic tank, 14 is a cathode electrode and an anode electrode, 15 is a direct current power supply, a connecting line "-" in fig. 1 represents a pipeline, and an arrow indicates the flowing direction of liquid.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1, the outlets of the alkaline liquid and the acidic liquid of an acid and alkaline solution generating device 1 used in an energy-saving and consumption-reducing cleaning system for milking appliances are connected with the inlet of a cleaning tank 2 for containing milking appliances by a pipeline with a flow regulating valve, the drain of the cleaning tank 2 is connected with a sewage post-treatment mechanism, the sewage post-treatment mechanism comprises a raw water tank 3, a pretreatment device 4, a reverse osmosis device 5 and a reservoir 7 which are sequentially arranged by the pipeline, the drain of the cleaning tank 2 is connected with the inlet of the raw water tank 3 by the pipeline, the outlet of the raw water tank 3 is connected with the inlet of the pretreatment device 4, the infusion port of the pretreatment device 4 is connected with the inlet of an ultrafiltration device 11, the outlet of the ultrafiltration device 11 is connected with the inlet of the reverse osmosis device 5, the purified water outlet of the reverse osmosis device 5 is connected with the reservoir 7, the concentrated water outlet of the reverse osmosis device is connected with a, the connecting pipeline between the pretreatment device 4 and the reverse osmosis device 5 is also provided with a pressure pump 8, the inlet of the concentrated water storage tank 6 is connected with a reservoir 7 through a water inlet pipe with a water inlet valve, water in the reservoir 7 is mixed with materials in the concentrated water storage tank 6 to achieve the electrolyte solution required by the acid and alkaline solution generating device 1, and then the electrolyte solution is input into the acid and alkaline solution generating device 1 to realize the recycling of resources.

Referring to fig. 2, the acid-base solution generating device 1 includes an electrolytic tank 13 containing an electrolyte solution, a cathode electrode 14 and an anode electrode 14 immersed in the electrolyte solution, and a dc power supply 15 connected to the cathode electrode 14 and the anode electrode 14, wherein the outer walls of two chambers separated by an ion exchange membrane 9 in the electrolytic tank are provided with outlets for an alkaline solution and an acidic solution. The direct current power supply 15 is 3-6A and 6-12v direct current provided by a direct current stabilized power supply, the positive electrode and the negative electrode of the direct current stabilized power supply are respectively connected to the negative electrode and the positive electrode, the positive electrode of the direct current power supply 15 is connected with the positive electrode, and the negative electrode of the direct current power supply 15 is connected with the negative electrode; the electrolyte solution is sodium chloride solution, an ion exchange membrane 9 is arranged in the electrolytic tank, the electrolytic tank is divided into two chambers by the ion exchange membrane 9, the sodium chloride solution in the electrolytic tank 13 is electrolyzed into hydrochloric acid aqueous solution and sodium hydroxide aqueous solution through electrolysis, the sodium hydroxide aqueous solution and the hydrochloric acid aqueous solution are respectively discharged to the cleaning tank 2 from alkaline solution and acid solution, and the milking implement is cleaned in the cleaning tank 2. In the cleaning process, under the strong alkaline action of sodium hydroxide, fat in the milk scale is subjected to saponification reaction to generate sodium fatty acid and glycerol to be dissolved, and protein is subjected to hydrolysis and fracture under the action of acid to form polypeptide or amino acid with extremely small molecular weight to be dissolved in water. Denatured and coagulated proteins tend to adhere tightly to the walls of the vessel and are easily removed by dissolution with alkali.

The principle of the acidic cleaning solution is to decompose protein and metal ions such as calcium, magnesium and the like to form opal, and complex hard components such as calcium, magnesium and the like in water to soften the water.

After the cleaning, the cleaning wastewater is discharged into the raw water tank 3 through the drain outlet of the cleaning tank 2, and the cleaning wastewater is subjected to acid and alkali neutralization reaction in the raw water tank 3. The neutralized wastewater enters a pretreatment device 4, the pretreatment device 4 is an activated carbon filtering device, and impurities in the wastewater are filtered through the adsorbability of activated carbon.

The cleaning wastewater is pretreated and then pressurized by a high-pressure pump 8 and then enters an ultrafiltration device 11 and a reverse osmosis device 5, the working principle of the cleaning wastewater is that the pressure difference between two sides of the ultrafiltration membrane and the reverse osmosis membrane is used as a driving force, the ultrafiltration membrane and the reverse osmosis membrane are used as filtering media, and only water and small molecular substances with the pore diameter smaller than that of the membrane are allowed to pass through when water flows through the surface of the membrane under certain pressure, so that the purposes of purifying, separating and concentrating the solution are achieved. In the application, the ultrafiltration device 11 adopts an ultrafiltration membrane with the filtering capacity of 0.01 mu m, and can intercept and clean macromolecular substances such as milk protein, fat and the like in the wastewater. The reverse osmosis device 5 selects a reverse osmosis membrane with the filtering capacity of 0.001 mu m to obtain filtered sodium chloride concentrated water, the obtained concentrated water enters the concentrated water storage tank 6 through the concentrated water outlet, and the obtained purified water enters the reservoir 7 through the purified water outlet of the reverse osmosis device 5. The reservoir 7 dilutes and mixes the purified water and the sodium chloride solution entering the concentrated water storage tank 6 through the flow regulation and control of the water inlet valve 12, and the diluted sodium chloride solution can enter the acid and alkali solution generating device 1 again for recycling, thereby really achieving the standard of zero emission.

Claims (7)

1. An energy-saving and consumption-reducing type cleaning system for milking appliances, which comprises an acid and alkaline solution generating device (1) for cleaning, and is characterized in that: the alkaline liquid of sour, alkaline solution generating device (1), acid liquid outlet all link to each other with the help of pipeline and washing tank (2) entry that holds the utensil of milking, the drain of washing tank (2) be connected with sewage aftertreatment mechanism, include former pond (3) that set gradually with the help of the pipeline among this sewage aftertreatment mechanism, preprocessing device (4), reverse osmosis unit (5) and cistern (7), the drain of washing tank (2) is with the help of the entry linkage of pipeline with former pond (3), the export of former pond (3) links to each other with the entry of preprocessing device (4), the infusion mouth of preprocessing device (4) and the entry linkage of reverse osmosis unit (5), reverse osmosis unit's water purification delivery port connect cistern (7), reverse osmosis unit's concentrated water delivery port connects concentrated water storage pond (6), preprocessing device (4) and reverse osmosis unit (5) between the connecting tube on still be provided with force pump (8) ).

2. An energy saving and consumption reduction type cleaning system for milking implement according to claim 1, wherein: the acid and alkaline solution generating device (1) comprises an electrolytic bath (13) containing an electrolyte solution, a cathode electrode (14) and an anode electrode (14) immersed in the electrolyte solution and a direct current power supply (15) connected with the cathode electrode (14) and the anode electrode (14), wherein alkaline solution and acid solution outlets are arranged on the outer walls of two chambers separated by an ion exchange membrane (9) in the electrolytic bath.

3. An energy saving and consumption reduction type cleaning system for milking implement according to claim 1, wherein: the pretreatment device (4) is an activated carbon filter.

4. An energy saving and consumption reduction type cleaning system for milking implement according to claim 1, wherein: an ultrafiltration device (11) is further arranged between the pretreatment device (4) and the reverse osmosis device (5), the inlet of the ultrafiltration device is connected with the infusion port of the pretreatment device (4), and the outlet of the ultrafiltration device (11) is connected with the inlet of the reverse osmosis device (5).

5. An energy saving and consumption reduction type cleaning system for a milking implement according to claim 2, wherein: the electrolyte solution is a sodium chloride solution.

6. An energy saving and consumption reduction type cleaning system for milking implement according to claim 1, wherein: the inlet of the concentrated water storage tank (6) is connected with the reservoir (7) through the water inlet pipe of the water inlet valve (12), and the outlet of the concentrated water storage tank is connected with the acid and alkaline solution generating device (1).

7. An energy saving and consumption reduction type cleaning system for milking implement according to claim 1, wherein: and flow regulating valves are arranged on pipelines connecting the alkaline liquid outlet and the acidic liquid outlet with the inlet of the cleaning tank (2) for containing the milking implement.

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