CN211963758U - High-viscosity-resistant roll type reverse osmosis concentrated milk device - Google Patents

Abstract

The utility model relates to a concentrated milk device of formula of book reverse osmosis of resistant high viscosity, the device include that the area presss from both sides the raw liquor tank of cover, low-pressure pump, high-pressure pump and be the formula of book reverse osmosis membrane subassembly of complete filling structure. An electric heating wire is arranged on the outer layer of the bottom of the stock solution tank; a pipeline I and a stirrer are respectively arranged in the stock solution tank, and a temperature sensor is arranged below the stirrer and close to the bottom of the stirrer; one end of the pipeline I is communicated with a concentrated solution outlet pipeline of the roll type reverse osmosis membrane module; a permeate flow meter is arranged on a permeate outlet pipeline of the roll type reverse osmosis membrane component; and a pipeline II is arranged at the bottom of the stock solution tank, is sequentially connected with the low-pressure pump and the high-pressure pump and is connected with a membrane component stock solution inlet of the roll type reverse osmosis membrane component. The utility model discloses but high-efficient concentrated milk just washs and manages the operation convenience, is applicable to the milk that concentrated volume multiple is greater than 5~7 times.

Description

High-viscosity-resistant roll type reverse osmosis concentrated milk device

Technical Field

The utility model relates to a concentrated processingequipment of dairy products especially relates to a formula reverse osmosis of resistant high viscosity is concentrated milk device.

Background

With the improvement of living standard, domestic consumers have higher and higher requirements on taste and quality of dairy products, so that the proper concentration of milk is necessary for producing the dairy products such as high-quality milk or yoghourt and the like and ensuring the consistency of product quality indexes. The common dairy processing and concentrating modes mainly comprise multi-effect evaporation, reverse osmosis concentration and single-effect evaporation.

At present, the membrane technology achieves great results and great economic benefits in aspects of whey protein recovery, lactose separation, whey desalination, cow milk concentration and the like. By using the membrane separation technology, the active protein can be intercepted to the maximum extent, the original flavor substances in the milk can be retained, the production cost is reduced, and the environmental protection requirements of no pollution discharge and the like are met. In the concentration of skim milk, most of water can be removed by reverse osmosis, and the solid matter in the raw milk can be concentrated to a certain fraction. However, the solid content of milk is high, the viscosity is high, and the effective membrane area of the tubular reverse osmosis membrane assembly is small, so that the common rolled reverse osmosis membrane is easy to block.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a formula reverse osmosis of resistant high viscosity is concentrated milk device is rolled up to high-efficient concentrated milk and wash and management convenient operation is provided.

In order to solve the above problem, a formula reverse osmosis of resistant high viscosity is concentrated milk device, its characterized in that: the device comprises a raw liquid tank with a jacket, a low-pressure pump, a high-pressure pump and a roll type reverse osmosis membrane component with a completely filled structure; an electric heating wire is arranged on the outer layer of the bottom of the stock solution tank; a pipeline I and a stirrer are respectively arranged in the stock solution tank, and a temperature sensor is arranged below the stirrer and close to the bottom of the stirrer; one end of the pipeline I is communicated with a concentrated solution outlet pipeline of the roll type reverse osmosis membrane module; a permeate flow meter is arranged on a permeate outlet pipeline of the roll type reverse osmosis membrane component; and a pipeline II is arranged at the bottom of the stock solution tank, is sequentially connected with the low-pressure pump and the high-pressure pump and is connected with a membrane component stock solution inlet of the roll type reverse osmosis membrane component.

The jacket is arranged on the outer layer of the stock solution tank, and a cooling water inlet and a cooling water outlet are respectively arranged on the jacket; and a control valve I is arranged at the cooling water inlet.

The roll type reverse osmosis membrane component comprises a membrane component shell with two ends fixed by fixed pattern plates and six roll type membranes arranged in the membrane component shell; the membrane module shell is respectively provided with a membrane module stock solution inlet, a total concentrated solution outlet and six permeate outlets; concentrated solution outlets of the six spiral-wound membranes are connected with the concentrated solution outlet pipeline through a pipeline via the total concentrated solution outlet; six interfaces which correspond to the permeate liquid outlets one to one are arranged on one fixed pattern plate and are connected with the permeate liquid outlet pipeline; and each inlet of the six spiral wound membranes is connected with the raw liquid inlet of the membrane module through a pipeline.

And a concentrated solution flow meter, a pressure regulating valve and a membrane module emptying valve are respectively arranged on the concentrated solution outlet pipeline.

And a pipeline evacuation valve is arranged on the pipeline II between the low-pressure pump and the high-pressure pump.

And a pressure gauge is arranged on the pipeline II close to the membrane module stock solution inlet.

And a raw liquid tank emptying valve is arranged on the pipeline II close to the bottom of the raw liquid tank.

And a control valve II is arranged on the concentrated solution outlet pipeline.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses set up at the stock solution jar skin and press from both sides the cover, press from both sides the cover and play the heat preservation effect on the one hand, on the other hand has cooling water inlet valve and cooling water export on pressing from both sides the cover, and milk can produce the temperature through the high-pressure pump concentration, leads to the cooling water through pressing from both sides the cover and keeps operating temperature.

2. The utility model discloses the bottom skin at the stock solution jar is equipped with electric heating wire, can heat milk to the operating temperature of concentrated needs.

3. In the utility model, a stirrer is arranged in the stock solution tank to ensure that the stock solution is uniformly heated; meanwhile, a temperature sensor is arranged at a position close to the bottom, so that the change of the temperature of the milk in the tank is sensed in real time, and the operation temperature is conveniently controlled.

4. The utility model discloses in be equipped with stock solution jar exhaust-valve, pipeline exhaust-valve, membrane module exhaust-valve, the washing of the equipment of being convenient for.

5. The utility model discloses be close to the entrance installation pressure gauge of formula of book reverse osmosis membrane subassembly, conveniently control operating pressure.

6. The utility model discloses well roll of formula reverse osmosis membrane module is complete filling structure, owing to set up six roll of formula membranes in a membrane shell, when the feeding, milk erodees the area increase at reverse osmosis membrane surface, and at concentrated in-process, along with concentrated process, the membrane surface can be piled up gradually and adhere substances such as fat, causes the concentrated effect of membrane to weaken until can not concentrate. The single channel membrane module is because milk flows in the single tube, and mechanical properties is single, and concentrated half-life is generally in half an hour, adopts the utility model discloses, six roll type membrane simultaneous concentration cause the torrent, and mechanical properties is complicated, increases membrane surface scouring dynamics, reduces macromolecular material such as the fat that adheres on membrane surface, protein, has prolonged membrane decay time effectively, verifies through the experiment, can extend to 2 hours by 30 minutes half-life.

7. The utility model is suitable for a concentrated volume multiple is greater than 5~7 times's milk.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the middle membrane module of the present invention.

Fig. 3 is a diagram illustrating turbulence generated when the middle membrane module concentrates milk.

In the figure: 1. a stock solution tank; 2. a jacket; 3. a stirrer; 4. a temperature sensor; 5. an electric heating wire; 6. a cooling water inlet; 7. a stock solution tank emptying valve; 8. a low pressure pump; 9. a pipeline evacuation valve; 10. a high pressure pump; 11. a roll-type reverse osmosis membrane module; 111. a membrane module stock solution inlet; 112. fixing the pattern plate; 113. rolling the membrane; 114. a membrane housing; 115. a total concentrated solution outlet; 116. a permeate outlet; 12. a pressure gauge; 13. a concentrate flow meter; 14. a permeate flow meter; 15. a pressure regulating valve; 16. a membrane module evacuation valve; 17. a concentrate outlet conduit; 18. and a cooling water outlet.

Detailed Description

As shown in figure 1, the high-viscosity resistant roll type reverse osmosis milk concentration device comprises a raw liquid tank 1 with a jacket 2, a low-pressure pump 8, a high-pressure pump 10 and a roll type reverse osmosis membrane module 11 in a complete filling structure.

The outer layer of the bottom of the stock solution tank 1 is provided with an electric heating wire 5; a pipeline I and a stirrer 3 are respectively arranged in the stock solution tank 1, and a temperature sensor 4 is arranged below the stirrer 3 and close to the bottom; one end of the pipeline I is communicated with a concentrated solution outlet pipeline 17 of the roll type reverse osmosis membrane component 11; a permeate flow meter 14 is arranged on a permeate outlet pipeline of the roll-type reverse osmosis membrane module 11; the bottom of the stock solution tank 1 is provided with a pipeline II which is connected with a low-pressure pump 8 and a high-pressure pump 10 in sequence and is connected with a membrane component stock solution inlet 111 of a roll type reverse osmosis membrane component 11.

Wherein: the outer layer of the raw liquid tank 1 is provided with a jacket 2, and the jacket 2 is respectively provided with a cooling water inlet 6 and a cooling water outlet 18; and a control valve I is arranged at the cooling water inlet 6.

The roll type reverse osmosis membrane module 11 comprises a membrane module shell 114 with two ends fixed by fixing pattern plates 112 and six roll type membranes 113 arranged in the membrane module shell 114; the membrane module shell 114 is respectively provided with a membrane module stock solution inlet 111, a total concentrated solution outlet 115 and six permeate outlets 116; the concentrated solution outlets of the six spiral membranes 113 are connected with a concentrated solution outlet pipeline 17 through a total concentrated solution outlet 115 by pipelines; six ports corresponding to the permeate outlets 116 one to one are formed in one fixed pattern plate 112 and connected to permeate outlet pipes; each inlet of the six wound membranes 113 is connected with a membrane module stock solution inlet 111 through a pipeline.

The concentrated solution outlet pipeline 17 is respectively provided with a concentrated solution flowmeter 13, a pressure regulating valve 15 and a membrane component emptying valve 16.

And a pipeline emptying valve 9 is arranged on a pipeline II between the low-pressure pump 8 and the high-pressure pump 10.

And a pressure gauge 12 is arranged on the pipeline II close to the membrane module stock solution inlet 111.

And a raw liquid tank emptying valve 7 is arranged on the pipeline II close to the bottom of the raw liquid tank 1.

And a control valve II is arranged on the concentrated solution outlet pipeline 17.

All pipelines and the stock solution tank 1 are made of food-grade stainless steel.

There is no dead water region between the membrane element and the inner wall of the membrane housing.

During the use, milk raw materials pours into stock solution jar 1 into, heats to equipment operating temperature through electric heating wire 5 of stock solution jar 1 bottom, and the temperature can be through temperature sensor 4 real-time supervision, and agitator 3 can make milk thermally equivalent. Heating to the operating temperature, circulating through the low-pressure pump 8, turning on the high-pressure pump 10 to concentrate milk, controlling the operating pressure through the pressure regulating valve 15, observing the constant pressure through the pressure gauge 12, gradually increasing the milk temperature when the high-pressure pump 10 is turned on, and introducing cooling water into the jacket 2 to keep the milk operating temperature stable, wherein the cooling water enters from the bottom cooling water inlet 6 and exits from the top cooling water outlet 18. The concentrate flow rate of the milk can be measured by the concentrate flow meter 13, and the permeate flow rate can be measured by the permeate flow meter 14.

In the concentration process, the permeate liquid penetrates through the roll type reverse osmosis membrane component 11, the six roll type membranes 113 are simultaneously concentrated to cause turbulence, the mechanical property is complex, the membrane surface scouring force is increased, macromolecular substances such as fat and protein which are adhered to the membrane surface are reduced, the membrane attenuation time is effectively prolonged, and better continuous concentration is facilitated. When the cleaning assembly is cleaned, the milk is high in viscosity, the cleaning assembly is cleaned for 30min by using an alkaline solution with the pH value of 11-12, then the cleaning assembly is cleaned by using clear water at the temperature of 35 ℃ until the pH value is neutral, the cleaning assembly can be cleaned more thoroughly by using induced turbulence, and in addition, prevention and control valves are arranged at multiple positions of a pipeline, so that the cleaning solution is favorably discharged.

Claims (8)

1. The utility model provides a concentrated milk device of formula reverse osmosis of resistant high viscosity book which characterized in that: the device comprises a raw liquid tank (1) with a jacket (2), a low-pressure pump (8), a high-pressure pump (10) and a roll type reverse osmosis membrane component (11) with a completely filled structure; an electric heating wire (5) is arranged on the outer layer of the bottom of the stock solution tank (1); a pipeline I and a stirrer (3) are respectively arranged in the stock solution tank (1), and a temperature sensor (4) is arranged below the stirrer (3) and close to the bottom; one end of the pipeline I is communicated with a concentrated solution outlet pipeline (17) of the roll type reverse osmosis membrane module (11); a permeate flow meter (14) is arranged on a permeate outlet pipeline of the roll-type reverse osmosis membrane module (11); the bottom of the stock solution tank (1) is provided with a pipeline II, and the pipeline II is sequentially connected with the low-pressure pump (8) and the high-pressure pump (10) and is connected with a membrane component stock solution inlet (111) of the rolled reverse osmosis membrane component (11).

2. The roll type reverse osmosis concentrated milk device with high viscosity resistance as claimed in claim 1, wherein: the jacket (2) is arranged on the outer layer of the raw liquid tank (1), and a cooling water inlet (6) and a cooling water outlet (18) are respectively arranged on the jacket (2); and the cooling water inlet (6) is provided with a control valve I.

3. The roll type reverse osmosis concentrated milk device with high viscosity resistance as claimed in claim 1, wherein: the roll type reverse osmosis membrane module (11) comprises a membrane module shell (114) and six roll type membranes (113), wherein two ends of the membrane module shell (114) are fixed by fixing pattern plates (112); the membrane module shell (114) is respectively provided with the membrane module stock solution inlet (111), a total concentrated solution outlet (115) and six permeate outlets (116); the concentrated solution outlets of the six spiral-wound membranes (113) are connected with the concentrated solution outlet pipeline (17) through a pipeline by the total concentrated solution outlet (115); six interfaces which correspond to the permeate liquid outlets (116) one by one are arranged on one fixed pattern plate (112), and the interfaces are connected with the permeate liquid outlet pipelines; each inlet of the six wound membranes (113) is connected with the membrane module stock solution inlet (111) through a pipeline.

4. The roll type reverse osmosis concentrated milk device with high viscosity resistance as claimed in claim 1, wherein: and a concentrated solution flow meter (13), a pressure regulating valve (15) and a membrane module emptying valve (16) are respectively arranged on the concentrated solution outlet pipeline (17).

5. The roll type reverse osmosis concentrated milk device with high viscosity resistance as claimed in claim 1, wherein: and a pipeline emptying valve (9) is arranged on the pipeline II between the low-pressure pump (8) and the high-pressure pump (10).

6. The roll type reverse osmosis concentrated milk device with high viscosity resistance as claimed in claim 1, wherein: and a pressure gauge (12) is arranged on the pipeline II close to the membrane module stock solution inlet (111).

7. The roll type reverse osmosis concentrated milk device with high viscosity resistance as claimed in claim 1, wherein: and a raw liquid tank emptying valve (7) is arranged on the pipeline II close to the bottom of the raw liquid tank (1).

8. The roll type reverse osmosis concentrated milk device with high viscosity resistance as claimed in claim 1, wherein: and a control valve II is arranged on the concentrated solution outlet pipeline (17).

Images