CN214758926U

CN214758926U - Continuous pasteurization system of milk

Info

Publication number: CN214758926U
Application number: CN202120641537.1U
Authority: CN
Inventors: 孙建明
Original assignee: Inner Mongolia Dafengyuan Light Industry Machinery Co ltd
Current assignee: Inner Mongolia Dafengyuan Light Industry Machinery Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-19
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a continuous pasteurization system of milk, including the overhead tank that is used for compiling milk, the overhead tank carries one section plate heat exchanger with milk through defeated breast pump and preheats, the tube side access connection of conveyer pipe and tube heat exchanger is passed through to one section plate heat exchanger's heat export, tube heat exchanger's tube side export passes through the cooling access connection of circulating pipe and one section plate heat exchanger, be provided with the filter on the circulating pipe, one section plate heat exchanger's cooling export is through connecting pipe and two-stage process plate heat exchanger heat access connection, and this system can carry out continuous pasteurization to former milk, and the efficiency of disinfecting improves greatly, has profitably guaranteed the quality of former milk, has reduced the energy consumption of disinfecting simultaneously, has practiced thrift economic cost.

Description

Continuous pasteurization system of milk

Technical Field

The utility model relates to a milk field of disinfecting, concretely relates to continuous pasteurization system of milk.

Background

With the improvement of the living standard of people, people pay more attention to the quality of dairy products. In order to produce high-quality products, the quality and sanitation of raw milk are guaranteed firstly, and the equipment sterilization is an essential important link, particularly, a large amount of raw milk is produced in a pasture, the existing pasteurization for sterilizing the milk in the pasture adopts pasteurization, the pasteurization is carried out at a constant temperature of 72-84 ℃ within a specified time, so that the nutrient substances and the pure taste are well preserved while the harmful flora in the milk is killed, but when the existing sterilization system is used for sterilizing a large amount of raw milk produced in the pasture, the continuous, quick and efficient sterilization cannot be carried out, the low sterilization efficiency is caused, the sterilization energy consumption is high, and the sterilization economic cost is greatly improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a continuous pasteurization system for milk.

The utility model discloses a realize through following technical scheme:

the utility model provides a continuous pasteurization system of milk, is including the overhead tank that is used for compiling milk, the overhead tank carries one section plate heat exchanger with milk through defeated milk pump and preheats, the tube side access connection of conveyer pipe and tube heat exchanger is passed through to one section plate heat exchanger's heat export, tube heat exchanger's tube side export passes through the cooling access connection of circulating pipe and one section plate heat exchanger, be provided with the filter on the circulating pipe, one section plate heat exchanger's cooling export passes through the connecting pipe and two sections plate heat exchanger heat access connection, two sections plate heat exchanger's heat export is connected with the heat preservation jar through outer calandria.

Preferably, the shell pass inlet and outlet of the tubular heat exchanger are circularly connected with a hot water tank through a pipeline, an electric heating pipe for heating is installed in the hot water tank, and a hot water circulating pump is arranged on the pipeline connecting the hot water tank and the shell pass inlet of the tubular heat exchanger.

Preferably, the cooling inlet and the cooling outlet of the two-section plate heat exchanger circulate underground water.

Preferably, the milk conveying pump is arranged in a frequency conversion milk conveying pump mode.

Preferably, the front ends of the milk conveying pump and the hot water circulating pump, the conveying pipe, the circulating pipe and the external discharge pipe are all provided with control valves.

Compared with the prior art, the beneficial effects of the utility model are that: the system can perform continuous pasteurization on the raw milk, greatly improves the sterilization efficiency, is favorable for ensuring the quality of the raw milk, reduces the sterilization energy consumption and saves the economic cost.

Drawings

FIG. 1 is a schematic diagram of the system connections of the present invention;

in the figure: the device comprises a balance tank 1, a milk conveying pump 2, a first-section plate type heat exchanger 3, a conveying pipe 4, a tubular heat exchanger 5, a hot water tank 51, an electric heating pipe 52, a hot water circulating pump 53, a circulating pipe 6, a filter 7, a connecting pipe 8, a second-section plate type heat exchanger 9, an outer discharge pipe 10, a heat preservation tank 11 and a control valve 12.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, a continuous pasteurization system for milk, including the compensating tank 1 that is used for gathering milk, compensating tank 1 carries one section plate heat exchanger 3 with milk through defeated milk pump 2 and preheats, the hot export of one section plate heat exchanger 3 passes through conveyer pipe 4 and the tube side access connection of tube heat exchanger 5, the tube side export of tube heat exchanger 5 passes through circulating pipe 6 and is connected with the cooling inlet of one section plate heat exchanger 3, be provided with filter 7 on the circulating pipe 6, the cooling outlet of one section plate heat exchanger 3 passes through connecting pipe 8 and the hot access connection of two-stage plate heat exchanger 9, the hot export of two-stage plate heat exchanger 9 passes through outer calandria 10 and is connected with holding tank 11.

The shell pass inlet and outlet of the tubular heat exchanger 5 are circularly connected with a hot water tank 51 through a pipeline, an electric heating pipe 52 for heating is installed in the hot water tank 51, and a hot water circulating pump 53 is arranged on the pipeline connecting the hot water tank 51 and the shell pass inlet of the tubular heat exchanger 5.

And the cooling inlet and the cooling outlet of the two-section plate heat exchanger 9 circulate underground water.

The milk conveying pump 2 is arranged by adopting a variable-frequency milk conveying pump.

The front ends of the milk pump 2 and the hot water circulating pump 53, the delivery pipe 4, the circulating pipe 6 and the external discharge pipe 10 are all provided with a control valve 12.

The working principle is as follows: when pasteurization is carried out on the raw milk in the pasture, the raw milk produced in the pasture is conveyed into a balance tank 1, the balance tank 1 is used for collecting the milk to be pasteurized, and the milk flow of the rear section is balanced within a certain time range to ensure the continuous flow of the milk;

the raw milk entering the balance tank 1 is sent to a section of plate heat exchanger 3 in a preheating area through a milk conveying pump 2 to be preheated, the preheated raw milk is conveyed to a tube heat exchanger 5 through a conveying pipe 4, the milk is heated to pasteurization temperature in the tube heat exchanger 5 in the heating area, the heating mode of the tube heat exchanger 5 is that an electric heating pipe 52 is used for heating, and hot water is subjected to high-efficiency heat exchange in a closed circulating hot water tank 51 through a hot water circulating pump 53. (ii) a

The milk in the tubular heat exchanger 5 is heated to 72-84 c and held for 15-20 seconds. Hot milk after pasteurization enters a filter 7 through a circulating pipe 6 for filtering particles and impurities in the milk, the hot milk after pasteurization enters a section of plate heat exchanger 3 of the preheating zone again after filtration, cold milk in the section of plate heat exchanger 3 of the preheating zone is subjected to partition wall heat exchange, the cold milk without pasteurization is preheated, and the hot milk is cooled, so that the cold and hot circulation of the milk is realized, and the energy consumption is greatly reduced;

the pasteurized raw milk cooled by the first-section plate heat exchanger 3 enters the second-section plate heat exchanger 9 through the connecting pipe 8, is cooled secondarily by the circulating underground water of the second-section plate heat exchanger 9 to reach the preservation temperature, and is finally conveyed to the heat-insulating tank 11 through the outer exhaust pipe 10 to be stored, so that the whole system can perform continuous pasteurizing on the raw milk, the sterilizing efficiency is greatly improved, the quality of the raw milk is favorably ensured, the sterilizing energy consumption is reduced, and the economic cost is saved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A continuous pasteurization system for milk is characterized in that: including surge tank (1) that is used for compiling milk, surge tank (1) carries milk through defeated breast pump (2) one section plate heat exchanger (3) and preheats, the heat export of one section plate heat exchanger (3) passes through the tube side access connection of conveyer pipe (4) with tubular heat exchanger (5), the tube side export of tubular heat exchanger (5) passes through the cooling access connection of circulating pipe (6) with one section plate heat exchanger (3), be provided with filter (7) on circulating pipe (6), the cooling export of one section plate heat exchanger (3) passes through connecting pipe (8) and two section plate heat exchanger (9) heat inlet connection, the heat export of two section plate heat exchanger (9) passes through outer calandria (10) and is connected with heat preservation jar (11).

2. A continuous milk pasteurization system as set forth in claim 1 wherein: the shell pass inlet and outlet of the tubular heat exchanger (5) are circularly connected with a hot water tank (51) through a pipeline, an electric heating pipe (52) for heating is installed in the hot water tank (51), and a hot water circulating pump (53) is arranged on the pipeline connecting the hot water tank (51) and the shell pass inlet of the tubular heat exchanger (5).

3. A continuous milk pasteurization system as set forth in claim 1 wherein: and the cooling inlet and the cooling outlet of the two-section plate heat exchanger (9) circulate underground water.

4. A continuous milk pasteurization system as set forth in claim 1 wherein: the milk conveying pump (2) is arranged by adopting a variable-frequency milk conveying pump.

5. A continuous milk pasteurization system as set forth in claim 2 wherein: control valves (12) are respectively arranged at the front ends of the milk conveying pump (2) and the hot water circulating pump (53) and on the conveying pipe (4), the circulating pipe (6) and the outer discharge pipe (10).