CN221172676U

CN221172676U - Cooling medium supply device suitable for UHT equipment and UHT equipment

Info

Publication number: CN221172676U
Application number: CN202322483372.1U
Authority: CN
Inventors: 苏顺
Original assignee: Fresenius Kabi SSPC Pharmaceutical Co Ltd
Current assignee: Fresenius Kabi SSPC Pharmaceutical Co Ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-06-18
Anticipated expiration: 2033-09-13

Abstract

The present application relates to the field of UHT equipment. Disclosed is a cooling medium supply apparatus for UHT equipment, comprising: the delivery port of the jar body is through the water outlet pipeline with the water inlet intercommunication of water pump, the jar is internal to be deposited normal atmospheric temperature pure water, first pipeline respectively with the delivery port of water pump and UHT equipment cool off one district intercommunication for cool off one district and carry normal atmospheric temperature pure water, the second pipeline respectively with the delivery port of water pump and cooling device's water inlet connection, the third pipeline respectively with cooling device's delivery port and UHT equipment cool off two district intercommunication, cooling device is used for freezing normal atmospheric temperature pure water to preset temperature, in order to carry frozen pure water for cooling two district. The cooling medium supply device respectively conveys normal-temperature pure water and frozen pure water to the first cooling area and the second cooling area, and as the normal-temperature pure water and the frozen pure water have almost no impurities, the blockage of a cooling medium pipeline of UHT equipment can be effectively avoided, and the subsequent pipeline can be maintenance-free.

Description

Cooling medium supply device suitable for UHT equipment and UHT equipment

Technical Field

The application relates to the field of UHT equipment, in particular to a cooling medium supply device suitable for UHT equipment and UHT equipment.

Background

The Ultra-high temperature instantaneous sterilization (Ultra-high temperature instantaneous sterilization, UHT) equipment respectively uses normal-temperature tap water and factory frozen water as cooling media of two cooling areas, and as the tap water and the factory frozen water contain a large amount of impurities, the cooling pipelines of the equipment are blocked after long-time operation, the flow of the cooling media is reduced, and the equipment cannot be cooled normally. In this regard, the equipment is periodically shut down to clean the pipeline, such as pickling, to maintain the pipeline unobstructed.

Therefore, how to effectively prevent the blockage of the cooling medium pipeline of the UHT equipment and avoid the maintenance of the subsequent pipeline are problems required to be solved by the technicians in the field.

Disclosure of utility model

The application aims to provide a cooling medium supply device suitable for UHT equipment and the UHT equipment, which are used for solving the problem that a cooling medium pipeline of the UHT equipment is blocked after long-time operation by using normal-temperature tap water and factory chilled water as cooling media of two cooling areas.

To solve the above technical problems, the present application provides a cooling medium supply apparatus for UHT equipment, including: the device comprises a tank body, a water pump, a cooling device, a water outlet pipeline, a first conveying pipeline, a second conveying pipeline and a third conveying pipeline;

the water outlet of the tank body is communicated with the water inlet of the water pump through the water outlet pipeline, normal-temperature pure water is stored in the tank body, the first conveying pipeline is respectively communicated with the water outlet of the water pump and a cooling area of the UHT equipment and is used for conveying the normal-temperature pure water to the cooling area, the second conveying pipeline is respectively connected with the water outlet of the water pump and the water inlet of the cooling device, the third conveying pipeline is respectively communicated with the water outlet of the cooling device and a cooling area of the UHT equipment, and the cooling device is used for freezing the normal-temperature pure water to a preset temperature so as to convey frozen pure water to the cooling area.

Optionally, the device further comprises a controller, a first valve and a second valve, wherein the first valve is arranged on the first conveying pipeline, the second valve is arranged on the second conveying pipeline, the controller is respectively in communication connection with the first valve, the second valve, the valve of the first cooling zone and the valve of the second cooling zone, and the controller is used for controlling the opening or closing of the first valve according to the electric signal of the valve of the first cooling zone and controlling the opening or closing of the second valve according to the electric signal of the valve of the second cooling zone.

Optionally, the water pump circulating pipeline is communicated with the water outlet of the water pump and the tank body respectively.

Optionally, the device further comprises a pure water pipeline, a third valve arranged on the pure water pipeline and a liquid level sensor arranged on the tank body, wherein the pure water pipeline is respectively connected with pure water supply equipment and the tank body, the third valve and the liquid level sensor are respectively in communication connection with the controller, and the controller is used for controlling the opening or closing of the third valve according to an electric signal of the liquid level sensor.

Optionally, the cooling device is a plate heat exchanger, a first water inlet of the plate heat exchanger is communicated with the water pump through the second conveying pipeline, a second water inlet of the plate heat exchanger is communicated with an industrial chilled water inlet pipeline, a first water outlet of the plate heat exchanger is communicated with the cooling second region through the third conveying pipeline, and a second water outlet of the plate heat exchanger is communicated with the industrial chilled water drainage pipeline.

Optionally, the device further comprises a plurality of branch pipelines, wherein a plurality of branch pipelines are respectively communicated with the third conveying pipeline, and each branch pipeline is provided with a proportional valve.

Optionally, the number of the plate heat exchangers is multiple, a proportional valve is arranged at the second water inlet of each plate heat exchanger, and a temperature sensor is arranged at the first water outlet of each plate heat exchanger.

Optionally, the first conveying pipeline and the third conveying pipeline are both provided with pressure gauges, and the outer surfaces of the second conveying pipeline and the third conveying pipeline are wrapped with heat insulation layers.

Optionally, the first valve, the second valve and the third valve are pneumatic diaphragm valves.

The application also provides UHT equipment, which comprises the cooling medium supply device applicable to the UHT equipment.

The application provides a cooling medium supply device suitable for UHT equipment, which comprises: the device comprises a tank body, a water pump, a cooling device, a water outlet pipeline, a first conveying pipeline, a second conveying pipeline and a third conveying pipeline; the delivery port of the jar body is through the water outlet pipeline with the water inlet intercommunication of water pump, the jar is internal to be deposited normal atmospheric temperature pure water, first pipeline respectively with the delivery port of water pump and UHT equipment cool off one district intercommunication for cool off one district and carry normal atmospheric temperature pure water, the second pipeline respectively with the delivery port of water pump and cooling device's water inlet connection, the third pipeline respectively with cooling device's delivery port and UHT equipment cool off two district intercommunication, cooling device is used for freezing normal atmospheric temperature pure water to preset temperature, in order to carry frozen pure water for cooling two district. The cooling medium supply device respectively conveys normal-temperature pure water and frozen pure water to the first cooling area and the second cooling area, and as the normal-temperature pure water and the frozen pure water have almost no impurities, the blockage of a cooling medium pipeline of UHT equipment can be effectively avoided, and the subsequent pipeline can be maintenance-free. Because the maintenance and cleaning of the pipeline are omitted, the labor cost, the cost of chemical reagents used for cleaning and the cooling medium can be saved; in addition, because the cooling medium pipeline of the UHT equipment is not blocked, the inner diameter of the cooling pipeline is constant, the flow of the cooling medium is constant, the constant cooling effect and cooling efficiency can be ensured, and the stable operation of the UHT equipment is free from the failure that the temperature of a cooling area cannot be reduced.

The application also provides a UHT equipment device which comprises the cooling medium supply device and has the beneficial effects.

Drawings

For a clearer description of embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described, it being apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a block diagram of a cooling medium supply apparatus for UHT equipment according to an embodiment of the present application;

The reference numerals are as follows: the device comprises a tank body 1, a water pump 2, a cooling device 3, a water outlet pipeline 4, a first conveying pipeline 5, a second conveying pipeline 6, a third conveying pipeline 7, a controller 8, a first valve 9, a second valve 10, a water pump circulation pipeline 11, a hand valve 12, a pure water pipeline 13, a third valve 14, a liquid level sensor 15, an industrial chilled water inlet pipeline 16, an industrial chilled water drainage pipeline 17, a pressure gauge 18, an overflow exhaust pipeline 19 and a solenoid valve island 20.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present application.

The application aims at providing a cooling medium supply device suitable for UHT equipment and the UHT equipment, which are used for effectively preventing the pipeline of the UHT equipment from being blocked and avoiding the maintenance and cleaning of the subsequent pipeline.

In order to better understand the aspects of the present application, the present application will be described in further detail with reference to the accompanying drawings and detailed description.

Fig. 1 is a block diagram of a cooling medium supply apparatus for a UHT device according to an embodiment of the application, and as shown in fig. 1, the cooling medium supply apparatus for a UHT device includes: the cooling device comprises a tank body 1, a water pump 2, a cooling device 3, a water outlet pipeline 4, a first conveying pipeline 5, a second conveying pipeline 6 and a third conveying pipeline 6; the delivery port of jar body 1 is through outlet conduit 4 and the water inlet intercommunication of water pump 2, has deposited normal atmospheric temperature pure water in jar body 1, and first pipeline 5 is connected with the delivery port of water pump 2 and the cooling first district of UHT equipment respectively for carry normal atmospheric temperature pure water for cooling first district, second pipeline 6 is connected with the delivery port of water pump 2 and the water inlet of cooling device 3 respectively, and third pipeline 7 is connected with the cooling second district of cooling device 3's delivery port and UHT equipment respectively, and cooling device 3 is used for freezing normal atmospheric temperature pure water to preset temperature to carry frozen pure water for cooling second district.

The type of the cooling device 3 is not particularly limited in the embodiment of the present application, and may be a pipe type or a plate type; of course, the number of the cooling devices 3 is not particularly limited, and correspondingly, the number of the second conveying pipelines 6 and the third conveying pipelines 7 are matched with the number of the cooling devices 3; wherein, different cooling devices 3 can prepare frozen pure water with different temperatures so as to meet the cooling area requirement of UHT equipment. The water pump 2 mainly provides conveying power for normal-temperature pure water and frozen pure water.

The cooling medium supply device suitable for UHT equipment provided by the embodiment of the application comprises: the device comprises a tank body, a water pump, a cooling device, a water outlet pipeline, a first conveying pipeline, a second conveying pipeline and a third conveying pipeline; the delivery port of the jar body is through the water outlet pipeline with the water inlet intercommunication of water pump, the jar is internal to be deposited normal atmospheric temperature pure water, first pipeline respectively with the delivery port of water pump and UHT equipment cool off one district intercommunication for cool off one district and carry normal atmospheric temperature pure water, the second pipeline respectively with the delivery port of water pump and cooling device's water inlet connection, the third pipeline respectively with cooling device's delivery port and UHT equipment cool off two district intercommunication, cooling device is used for freezing normal atmospheric temperature pure water to preset temperature, in order to carry frozen pure water for cooling two district. The cooling medium supply device respectively conveys normal-temperature pure water and frozen pure water to the first cooling area and the second cooling area, and as the normal-temperature pure water and the frozen pure water have almost no impurities, the blockage of a cooling medium pipeline of UHT equipment can be effectively avoided, and the subsequent pipeline can be maintenance-free. Because the maintenance and cleaning of the pipeline are omitted, the labor cost, the cost of chemical reagents used for cleaning and the cooling medium can be saved; in addition, because the cooling medium pipeline of the UHT equipment is not blocked, the inner diameter of the cooling pipeline is constant, the flow of the cooling medium is constant, the constant cooling effect and cooling efficiency can be ensured, and the stable operation of the UHT equipment is free from the failure that the temperature of a cooling area cannot be reduced.

Based on the above embodiment, the embodiment of the present application further includes a controller 8, a first valve 9 and a second valve 10, where the first valve 9 is disposed on the first conveying pipe 5, the second valve 10 is disposed on the second conveying pipe 6, the controller 8 is respectively in communication connection with the first valve 9, the second valve 10, the valve of the cooling first zone and the valve of the cooling second zone, and the controller 8 is configured to control opening or closing of the first valve 9 according to an electrical signal of the valve of the cooling first zone, and control opening or closing of the second valve 10 according to an electrical signal of the valve of the cooling second zone.

In order to realize automatic control, the embodiment of the application is also provided with a controller 8, and in particular, the controller 8 can adopt a programmable logic controller (Programmable Logic Controller, PLC); when the controller 8 obtains an opening electric signal of the valve of the cooling first area, the first valve 9 is controlled to be opened so as to convey normal-temperature pure water to the cooling first area; when the controller 8 obtains the closing electric signal of the valve for cooling the first area, the first valve 9 is controlled to be closed; when the controller 8 obtains an opening electric signal of the valve of the cooling second area, the second valve 10 is controlled to be opened so as to convey frozen pure water to the cooling first area; when the controller 8 obtains the closing electric signal of the valve of the cooling second zone, the second valve 10 is controlled to be closed. The types of the first valve 9 and the second valve 10 are not particularly limited in the embodiment of the application, and can be an electric valve or a pneumatic valve and the like; regarding how to control switching of the first valve 9 and the second valve 10, the first valve 9 or the second valve 10 may be controlled by the solenoid valve island 20, and the solenoid valve island 20 controls the first valve 9 or the second valve 10 according to an instruction of the controller 8. According to the embodiment of the application, the controller 8, the first valve 9 and the second valve 10 are arranged to realize automatic control, so that a worker is not required to operate and control, and the labor cost is saved.

Based on the above embodiment, the embodiment of the application further includes a water pump circulation pipeline 11 and a hand valve 12 disposed on the water pump circulation pipeline 11, where the water pump circulation pipeline 11 is respectively communicated with the water outlet of the water pump 2 and the tank 1.

The hand valve 12 on the water pump circulation pipeline 11 is usually in an open state, the opening is 10% -15%, and when the first conveying pipeline 5, the second conveying pipeline 6 or the third conveying pipeline 7 is blocked, the water pump 2 can be protected from being overloaded.

Based on the above embodiment, the embodiment of the present application further includes a pure water pipe 13, a third valve 14 provided in the pure water pipe 13, and a liquid level sensor 15 provided in the tank 1, the pure water pipe 13 is connected to the pure water supply device and the tank 1, respectively, the third valve 14 and the liquid level sensor 15 are connected to the controller 8 in a communication manner, and the controller 8 is configured to control the opening or closing of the third valve 14 according to an electrical signal of the liquid level sensor 15.

The liquid level sensor 15 of the embodiment of the application is arranged at the bottom of the tank body 1, the liquid level sensor 15 can adopt a multi-position liquid level sensor for detecting the water level in the tank body 1, the controller 8 can control the on-off state of the third valve 14 according to the water level information detected by the liquid level sensor 15 so as to add normal-temperature pure water to the tank body 1 through a pure water pipeline, and the controller 8 is matched with the multi-position liquid level sensor and can convey water to the tank body 1 according to actual requirements so as to enable the water quantity in the tank body 1 to reach a preset quantity. Further, an overflow exhaust pipe 19 is reserved at the top of the tank body 1 so as to exhaust the gas in the tank body 1.

Based on the above embodiment, the cooling device 3 of the embodiment of the present application is a plate heat exchanger, a first water inlet of the plate heat exchanger is communicated with the water pump 2 through the second conveying pipeline 6, a second water inlet of the plate heat exchanger is communicated with the industrial chilled water inlet pipeline 16, a first water outlet of the plate heat exchanger is communicated with the cooling two areas through the third conveying pipeline 7, and a second water outlet of the plate heat exchanger is communicated with the industrial chilled water drainage pipeline 17.

The plate heat exchanger has compact structure and small occupied area; the water consumption for cooling is low, and scaling is not easy to occur; the heat preservation is not needed, and the heat efficiency is high; easy installation, and convenient cleaning and maintenance. In addition, the embodiment of the application utilizes the industrial chilled water to cool the normal-temperature pure water, so that the extra energy consumption can be reduced.

If the cooling zone of the UHT plant comprises more than a first cooling zone and a second cooling zone, and the temperatures required for the other cooling zones may also differ from the first cooling zone and the second cooling zone, how the other cooling zones are provided with cooling medium, the following solutions are provided for this.

First, on the basis, still include a plurality of branch pipelines, a plurality of branch pipelines communicate with third pipeline 7 respectively, all are equipped with the proportional valve on every branch pipeline. After the normal-temperature pure water is reduced to the preset temperature by the plate heat exchanger, the opening degree of the proportional valve on each branch pipeline can be adjusted to convey the frozen pure water with different flow rates to other cooling areas, and the temperature of the cooling areas is different due to the different flow rates of the frozen pure water entering the cooling areas.

The second type, the number of plate heat exchanger is a plurality of, and every plate heat exchanger's second water inlet department is equipped with the proportional valve, and every plate heat exchanger's first delivery port department is equipped with temperature sensor. Correspondingly, the numbers of the second conveying pipeline 6, the third conveying pipeline 7, the industrial chilled water inlet pipeline 16 and the industrial chilled water outlet pipeline 17 are matched with the numbers of the plate heat exchangers. The controller 8 can control the opening of the proportional valve at the second water inlet of the plate heat exchanger according to the temperature detected by the temperature sensor, so that the different plate heat exchangers can prepare the frozen pure water with the respective preset temperatures, and the frozen pure water with different temperatures can be provided for different cooling areas.

Based on the above embodiment, the first conveying pipeline 5 and the third conveying pipeline 7 are provided with the pressure gauges 18, and the outer surfaces of the second conveying pipeline 6 and the third conveying pipeline 7 are wrapped with heat insulation layers.

According to the embodiment of the application, the pressure gauge 18 is arranged, so that the water pressure of the first conveying pipeline 5 and the third conveying pipeline 7 can be detected in real time, and whether the first conveying pipeline 5 and the third conveying pipeline 7 are blocked or not can be judged according to the water pressure, so that the first conveying pipeline 5 and the third conveying pipeline 7 can be maintained and cleaned. And, the surface package of second pipeline 6 and third pipeline 7 has the heat preservation, can prevent that external environment temperature from producing the influence to the temperature of frozen pure water.

Based on the above embodiments, the first valve 9, the second valve 10 and the third valve 14 of the embodiment of the present application are pneumatic diaphragm valves.

The pneumatic diaphragm valve has the advantages that the pneumatic diaphragm valve is good in elasticity, and can be changed according to the change of external pressure, so that the valve is more sensitive to open and close; secondly, the sealing performance is good, and air leakage and leakage can be effectively prevented; in addition, it has simple structure, low manufacturing cost and convenient installation and maintenance. Most importantly, the pneumatic diaphragm valve can effectively avoid pollution to normal-temperature pure water and frozen pure water.

The embodiment of the application also provides UHT equipment, which comprises the cooling medium supply device suitable for the UHT equipment. Since the components of the cooling medium supply device have been described in detail above, they will not be described in detail herein.

The UHT equipment provided by the embodiment of the application comprises the cooling medium supply device suitable for the UHT equipment, and the cooling medium supply device suitable for the UHT equipment comprises the following components: the device comprises a tank body, a water pump, a cooling device, a water outlet pipeline, a first conveying pipeline, a second conveying pipeline and a third conveying pipeline; the delivery port of the jar body is through the water outlet pipeline with the water inlet intercommunication of water pump, the jar is internal to be deposited normal atmospheric temperature pure water, first pipeline respectively with the delivery port of water pump and UHT equipment cool off one district intercommunication for cool off one district and carry normal atmospheric temperature pure water, the second pipeline respectively with the delivery port of water pump and cooling device's water inlet connection, the third pipeline respectively with cooling device's delivery port and UHT equipment cool off two district intercommunication, cooling device is used for freezing normal atmospheric temperature pure water to preset temperature, in order to carry frozen pure water for cooling two district. The cooling medium supply device respectively conveys normal-temperature pure water and frozen pure water to the first cooling area and the second cooling area, and as the normal-temperature pure water and the frozen pure water have almost no impurities, the blockage of a cooling medium pipeline of UHT equipment can be effectively avoided, and the subsequent pipeline can be maintenance-free. Because the maintenance and cleaning of the pipeline are omitted, the labor cost, the cost of chemical reagents used for cleaning and the cooling medium can be saved; in addition, because the cooling medium pipeline of the UHT equipment is not blocked, the inner diameter of the cooling pipeline is constant, the flow of the cooling medium is constant, the constant cooling effect and cooling efficiency can be ensured, and the stable operation of the UHT equipment is free from the failure that the temperature of a cooling area cannot be reduced.

The cooling medium supply device applicable to the UHT equipment and the UHT equipment provided by the application are described in detail. In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.

It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A cooling medium supply apparatus for a UHT plant, comprising: the water tank comprises a tank body (1), a water pump (2), a cooling device (3), a water outlet pipeline (4), a first conveying pipeline (5), a second conveying pipeline (6) and a third conveying pipeline (7);

The water outlet of the tank body (1) is communicated with the water inlet of the water pump (2) through the water outlet pipeline (4), normal-temperature pure water is stored in the tank body (1), the first conveying pipeline (5) is respectively communicated with the water outlet of the water pump (2) and a cooling area of UHT equipment and is used for conveying normal-temperature pure water for the cooling area, the second conveying pipeline (6) is respectively connected with the water outlet of the water pump (2) and the water inlet of the cooling device (3), the third conveying pipeline (7) is respectively communicated with the water outlet of the cooling device (3) and a cooling area of the UHT equipment, and the cooling device (3) is used for freezing normal-temperature pure water to a preset temperature so as to convey frozen pure water for the cooling area.

2. The cooling medium supply apparatus for a UHT plant according to claim 1, further comprising a controller (8), a first valve (9) and a second valve (10), said first valve (9) being provided on said first transfer line (5), said second valve (10) being provided on said second transfer line (6), said controller (8) being in communication with said first valve (9), said second valve (10), said first zone of cooling valve and said second zone of cooling valve, respectively, said controller (8) being adapted to control the opening or closing of said first valve (9) in dependence on an electrical signal of said first zone of cooling valve, and to control the opening or closing of said second valve (10) in dependence on an electrical signal of said second zone of cooling valve.

3. The cooling medium supply device applicable to the UHT equipment according to claim 1, further comprising a water pump circulation pipeline (11) and a hand valve (12) arranged on the water pump circulation pipeline (11), wherein the water pump circulation pipeline (11) is respectively communicated with a water outlet of the water pump (2) and the tank body (1).

4. The cooling medium supply device applicable to the UHT equipment according to claim 2, further comprising a pure water pipe (13), a third valve (14) provided in the pure water pipe (13) and a liquid level sensor (15) provided in the tank (1), wherein the pure water pipe (13) is respectively connected with the pure water supply equipment and the tank (1), the third valve (14) and the liquid level sensor (15) are respectively in communication connection with the controller (8), and the controller (8) is used for controlling the opening or closing of the third valve (14) according to an electric signal of the liquid level sensor (15).

5. Cooling medium supply device for UHT-plant according to claim 1, characterized in that the cooling device (3) is a plate heat exchanger, the first water inlet of which communicates with the water pump (2) via the second conveying pipe (6), the second water inlet of which communicates with an industrial chilled water inlet pipe (16), the first water outlet of which communicates with the cooling two zones via the third conveying pipe (7), and the second water outlet of which communicates with the industrial chilled water drain pipe (17).

6. The cooling medium supply device for UHT equipment according to claim 5, further comprising a plurality of branch pipes, a plurality of said branch pipes being in communication with said third conveying pipe (7), respectively, each of said branch pipes being provided with a proportional valve.

7. The UHT plant-adapted cooling medium supply according to claim 5, wherein the number of plate heat exchangers is plural, a proportional valve being provided at the second inlet of each plate heat exchanger and a temperature sensor being provided at the first outlet of each plate heat exchanger.

8. Cooling medium supply device applicable to UHT equipment according to claim 1, characterized in that the first (5) and the third (7) conveying pipes are provided with pressure gauges (18) and that the outer surfaces of the second (6) and the third (7) conveying pipes are wrapped with heat insulating layers.

9. Cooling medium supply device for UHT equipment according to claim 4, characterized in that the first valve (9), the second valve (10) and the third valve (14) are pneumatic diaphragm valves.

10. UHT plant, characterized in that it comprises a cooling medium supply device for UHT plants according to any one of claims 1 to 9.