Novel ultrahigh-temperature instantaneous sterilization equipment

Abstract

The utility model provides novel ultrahigh-temperature instantaneous sterilization equipment. The novel ultrahigh-temperature instantaneous sterilization equipment comprises a raw material tank, a heating unit, a first cooler, a second cooler and a fermentation tank, the raw material tank is used for containing a to-be-sterilized culture medium; the heating unit is used for heating and sterilizing the culture medium led out from the raw material tank; the first cooler is connected with the heating unit, cooling water is contained in the first cooler and used for cooling the sterilized culture medium, and the heated cooling water is guided into the heating unit; the second cooler is connected with the first cooler and is used for controlling the temperature of the cooled culture medium; and the fermentation tank is connected with the second cooler and is used for receiving the culture medium cooled by the second cooler. The utility model provides novel ultra-high-temperature instantaneous sterilization equipment, and aims to solve the problem of heat waste caused by poor heat utilization effect of cooling water in the process of sterilizing a culture medium in the prior art.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-temperature sterilization, and specifically relates to a novel ultra-high temperature instantaneous sterilization equipment. Background Art

[0002] Ultra-high temperature sterilization generally includes direct heating and indirect heating. The direct heating method is to directly heat the material with clean steam, followed by rapid cooling, and evaporate the injected steam during the flash process to restore the original composition of the material. The indirect heating method is the process of indirectly heating the product through a heat exchanger. The culture medium in the microbial fermentation industry is usually sterilized by indirect heating.

[0003] In the prior art, during the sterilization process of the culture medium, the heat of the cooling water after heat exchange cannot be reused, resulting in heat waste, increased production costs, and poor practicality. Utility Model Content

[0004] The utility model provides a novel ultra-high temperature instantaneous sterilization device, aiming to solve the problem of poor heat utilization of cooling water and heat waste in the process of sterilizing a culture medium in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a new type of ultra-high temperature instantaneous sterilization equipment, including:

[0006] Raw material tank, used to hold the culture medium to be sterilized;

[0007] A heating unit, connected to the raw material tank, for heating and sterilizing the culture medium derived from the raw material tank;

[0008] A first cooler connected to the heating unit, wherein the first cooler contains cooling water for cooling the sterilized culture medium and introducing the heated cooling water into the heating unit;

[0009] a second cooler, connected to the first cooler, and used to control the temperature of the cooled culture medium;

[0010] The fermentation tank is connected to the second cooler and is used to receive the culture medium cooled by the second cooler.

[0011] In a possible implementation, the heating unit includes:

[0012] a preheater, connected to the raw material tank, and used for preheating the culture medium discharged from the raw material tank to a first temperature;

[0013] a heater, connected to the preheater, for heating the culture medium preheated to the first temperature to a second temperature;

[0014] a maintainer, connected to the heater, for receiving the culture medium heated to the second temperature and maintaining the culture medium for a certain sterilization time;

[0015] Wherein, the first cooler is communicated with the preheater.

[0016] In a possible implementation, the novel ultra-high temperature instantaneous sterilization equipment further includes:

[0017] an alkali liquid tank, connected to the preheater, and used for introducing alkali liquid into the preheater for alkali washing;

[0018] a water washing tank, connected to the preheater, for introducing water into the preheater for water washing;

[0019] The alkali solution in the preheater may pass through the heater, the maintainer, the first cooler and the second cooler in sequence; the water in the preheater may pass through the heater, the maintainer, the first cooler and the second cooler in sequence.

[0020] In a possible implementation, the novel ultra-high temperature instantaneous sterilization equipment further includes a steam source, and the steam source is connected to both the preheater and the heater.

[0021] In a possible implementation, the steam source is connected to the preheater through a first pipeline, and a first regulating valve is provided on the first pipeline; the steam source is connected to the heater through a second pipeline, and a second regulating valve is provided on the second pipeline.

[0022] In a possible implementation, the novel ultra-high temperature instantaneous sterilization equipment further includes a water storage tank, in which cooling water is contained, the water storage tank has a water inlet and a water outlet, the first cooler is connected to the water outlet, and the preheater is connected to the water inlet.

[0023] In a possible implementation, the novel ultra-high temperature instantaneous sterilization equipment further includes a compressed air source having a first air outlet and a second air outlet, wherein the first air outlet is connected to the preheater and the first cooler, and the second air outlet is connected to the second cooler.

[0024] In a possible implementation manner, a first control valve is provided at the first air outlet, and a second control valve is provided at the second air outlet.

[0025] The utility model provides a novel ultra-high temperature instantaneous sterilization device with the beneficial effect that: compared with the prior art, by placing the culture medium to be sterilized in the raw material tank, the heating unit is connected to the raw material tank, so that the culture medium derived from the raw material tank is heated and sterilized by the heating unit. The first cooler is connected to the heating unit to cool the culture medium after heating and sterilization, and after the cooling water cools the culture medium, the cooling water is heated, and the heated cooling water can be introduced into the heating unit for recycling, so that the heat is fully utilized and the production cost is saved. The second cooler is connected to the first cooler, and is used to control the temperature of the cooled culture medium, so as to ensure that the temperature of the culture medium introduced into the fermentation tank remains consistent, and the utility model has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic structural diagram of a novel ultra-high temperature instantaneous sterilization device provided in an embodiment of the utility model.

[0027] Description of reference numerals:

[0028] 10. Raw material tank; 20. Heating unit; 21. Preheater; 22. Heater; 23. Maintainer; 30. First cooler; 40. Second cooler; 50. Fermentation tank; 60. Alkali liquid tank; 70. Water washing tank; 80. Steam source; 90. First regulating valve; 100. Second regulating valve; 110. Water storage tank; 120. Compressed air source; 130. First control valve; 140. Second control valve; 150. Third control valve; 160. Feed liquid pump; 170. Reflux control valve; 180. Alkali liquid control valve; 190. Water washing control valve; 200. Alkali washing reflux valve; 210. Water washing reflux valve; 220. Discharge regulating valve; 230. Delivery pump. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] It should be noted that the directions or positional relationships indicated by terms such as “length”, “width”, “height”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “head” and “tail” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0031] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installation", "connection", "fixation", "setting" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In addition, the meaning of "multiple" and "several" is two or more, unless otherwise clearly and specifically defined.

[0033] See also Figure 1 Now, a novel ultra-high temperature instantaneous sterilization equipment provided by the utility model is described. The novel ultra-high temperature instantaneous sterilization equipment comprises a raw material tank 10, a heating unit 20, a first cooler 30, a second cooler 40 and a fermentation tank 50. The raw material tank 10 is used to hold the culture medium to be sterilized. The heating unit 20 is connected to the raw material tank 10, and is used to heat and sterilize the culture medium derived from the raw material tank 10. The first cooler 30 is connected to the heating unit 20, and the first cooler 30 is filled with cooling water for cooling the sterilized culture medium, and the heated cooling water is introduced into the heating unit 20. The second cooler 40 is connected to the first cooler 30, and is used to control the temperature of the cooled culture medium. The fermentation tank 50 is connected to the second cooler 40, and is used to receive the culture medium cooled by the second cooler 40.

[0034] In this embodiment, the heating unit 20 is connected to the raw material tank 10, so as to heat and sterilize the culture medium discharged from the raw material tank 10. The first cooler 30 is connected to the heating unit 20, and is used to cool the culture medium after heating and sterilization, and after the cooling water cools the culture medium, the cooling water is heated, and the heated cooling water can be introduced into the heating unit 20 for recycling. The second cooler 40 is connected to the first cooler 30, and is used to control the temperature of the cooled culture medium, so as to ensure that the temperature of the culture medium introduced into the fermentation tank 50 remains consistent when the external environment temperature changes.

[0035] The utility model embodiment provides a novel ultra-high temperature instantaneous sterilization device. Compared with the prior art, the culture medium to be sterilized is placed in the raw material tank 10, and the heating unit 20 is connected to the raw material tank 10, so that the culture medium derived from the raw material tank 10 is heated and sterilized by the heating unit 20. The first cooler 30 is connected to the heating unit 20 to cool the culture medium after heating and sterilization, and the cooling water heats up after cooling the culture medium, and the heated cooling water can be introduced into the heating unit 20 for recycling, so that the heat is fully utilized and the production cost is saved. The second cooler 40 is connected to the first cooler 30, and is used to control the temperature of the cooled culture medium, so as to ensure that the temperature of the culture medium introduced into the fermentation tank 50 remains consistent, and the utility model has good practicality.

[0036] In some embodiments, see Figure 1 , the heating unit 20 includes a preheater 21, a heater 22 and a maintainer 23. The preheater 21 is connected to the raw material tank 10, and is used to preheat the culture medium derived from the raw material tank 10 to a first temperature. The heater 22 is connected to the preheater 21, and is used to heat the culture medium preheated to the first temperature to a second temperature. The maintainer 23 is connected to the heater 22, and is used to receive the culture medium heated to the second temperature and keep the culture medium for a certain sterilization time. Among them, the first cooler 30 is connected to the preheater 21. In this embodiment, the preheater 21 is connected to the raw material tank 10, and the culture medium derived from the raw material tank 10 is first preheated to the first temperature by the preheater 21, and then the culture medium is heated to the second temperature by the heater 22, thereby improving the heating efficiency of the culture medium. The maintainer 23 is provided in communication with the heater 22, and the maintainer 23 is used to receive the culture medium heated to the second temperature and keep the culture medium for a certain sterilization time, thereby ensuring the sterilization effect of the culture medium. The first cooler 30 is connected to the preheater 21. The cooling water heated in the first preheater 21 can be introduced into the preheater 21 to preheat the culture medium, thereby fully utilizing the heat and saving production costs.

[0037] In some embodiments, see Figure 1, the novel ultra-high temperature instantaneous sterilization equipment provided by the embodiment of the utility model also includes an alkali liquid tank 60 and a water washing tank 70. The alkali liquid tank 60 is connected to the preheater 21, and is used to pass alkali liquid into the preheater 21 for alkali washing. The water washing tank 70 is connected to the preheater 21, and is used to pass water into the preheater 21 for water washing. Among them, the alkali liquid in the preheater 21 can pass through the heater 22, the retainer 23, the first cooler 30 and the second cooler 40 in sequence. The water in the preheater 21 can pass through the heater 22, the retainer 23, the first cooler 30 and the second cooler 40 in sequence. In this embodiment, before sterilizing the culture medium, the heater 22, the retainer 23, the first cooler 30 and the second cooler 40 are firstly alkali washed with alkali liquid, so as to remove welding slag and other impurities in the pipeline, and then water washing is performed to flush the residue of alkali liquid in the pipeline, and then in the process of heating, sterilizing and cooling the culture medium, the culture medium is prevented from being contaminated and the quality of the culture medium is ensured.

[0038] In some embodiments, see Figure 1 The novel ultra-high temperature instantaneous sterilization equipment provided by the embodiment of the utility model further includes a steam source 80, and the steam source 80 is connected to both the preheater 21 and the heater 22. In this embodiment, steam is introduced into the preheater 21 and the heater 22 through the steam source 80. After the heater 22, the retainer 23, the first cooler 30 and the second cooler 40 are alkali-washed and water-washed, steam is introduced into the preheater 21 through the steam source 80, and the steam passes through the preheater 21, the heater 22, the retainer 23, the first cooler 30 and the second cooler 40 in sequence, and the steam is kept introduced for a period of time to achieve sterilization of the pipeline. Steam is introduced into the heater 22 through the steam source 80 to heat the culture medium in the heater 22.

[0039] In some embodiments, see Figure 1 The steam source 80 is connected to the preheater 21 through a first pipeline, and a first regulating valve 90 is provided on the first pipeline. The steam source 80 is connected to the heater 22 through a second pipeline, and a second regulating valve 100 is provided on the second pipeline. In this embodiment, during the sterilization of the pipeline, the first regulating valve 90 is opened and the second regulating valve 100 is closed, and during the heating of the culture medium, the second regulating valve 100 is opened and the first regulating valve 90 is closed.

[0040] In some embodiments, see Figure 1The new ultra-high temperature instantaneous sterilization equipment provided by the embodiment of the utility model also includes a water tank 110. The water tank 110 is filled with cooling water. The water tank 110 has a water inlet and a water outlet, the first cooler 30 is connected to the water outlet, and the preheater 21 is connected to the water inlet. Specifically, a delivery pump 230 is provided at the water outlet. In this embodiment, the cooling water in the water tank 110 is delivered to the first cooler 30 by the delivery pump 230 to exchange heat with the culture medium for heating, and the heated cooling water is then delivered to the preheater 21 to exchange heat with the culture medium for cooling, and the cooled cooling water returns to the water tank 110, thereby forming a recycling of cooling water, saving production costs, and having good practicality.

[0041] In some embodiments, see Figure 1 The novel ultra-high temperature instantaneous sterilization equipment provided by the embodiment of the utility model further includes a compressed air source 120, which has a first air outlet and a second air outlet, wherein the first air outlet is connected to the preheater 21 and the first cooler 30, and the second air outlet is connected to the second cooler 40. In this embodiment, after the sterilization of the culture medium is completed, the compressed air discharged through the first air outlet pushes the cooling water in the preheater 21 and the first cooler 30 back to the water storage tank 110. The compressed air discharged through the second air outlet pushes the circulating water in the second cooler 40 into the water storage tank 110.

[0042] In some embodiments, see Figure 1 , a first control valve 130 is provided at the first air outlet, and a second control valve 140 is provided at the second air outlet. In this embodiment, during the process of alkali washing, water washing and sterilization of the pipeline, the first control valve 130 and the second control valve 140 are both in a closed state. And during the process of sterilizing the culture medium, the first control valve 130 and the second control valve 140 are also in a closed state. After the sterilization of the culture medium is completed, the first control valve 130 and the second control valve 140 can be opened in turn.

[0043] A specific embodiment of the novel ultra-high temperature instantaneous sterilization equipment provided by the utility model is:

[0044] Alkali washing and water washing process: the alkali liquid in the alkali liquid tank 60 enters the preheater 21 through the feed liquid pump 160, is heated by the heater 22, and then passes through the maintainer 23, the first cooler 30, the second cooler 40 to the reflux control valve 170 to return to the alkali liquid tank 60; steam enters the heater 22 to heat the alkali liquid, and the alkali liquid temperature is controlled to 80-90°C through the second regulating valve 100. After the alkali liquid circulates for a certain period of time, the alkali liquid control valve 180 and the second regulating valve 100 are closed, and the water washing control valve 190 is opened to use water to push the alkali liquid to the alkali liquid tank 60. After a certain volume of alkali liquid enters, the alkali washing reflux valve 200 is closed, and the water washing reflux valve 210 is opened for water washing. After circulating for a certain period of time, the pump is stopped and all valves are closed.

[0045] Drainage process: After the water washing is completed, open the third control valve 150 and the discharge regulating valve 220 to use compressed air to drain water.

[0046] Steam sterilization process: Steam enters the preheater 21 through the first regulating valve 90, and is discharged through the heater 22, the maintainer 23, the first cooler 30 and the second cooler 40 to the discharge regulating valve 220, and is maintained for a period of time to achieve sterilization of the pipeline.

[0047] Culture medium sterilization process: The culture medium is transported from the raw material tank 10 by the liquid pump 160 to the preheater 21 for preheating. The temperature after preheating is about 120-125°C. The culture medium is then transported to the heater 22. The culture medium is heated by passing steam into the heater 22. The culture medium is heated to 140-145°C. After maintaining a certain sterilization time in the maintainer 23, the culture medium enters the first cooler 30 for heat exchange with cooling water, and then enters the second cooler 40 for temperature control. The sterilized culture medium after temperature control is transported to the sterilized fermentation tank 50 through the discharge regulating valve 220.

[0048] The heating and cooling process of cooling water: the cooling water is transported from the water storage tank 110 to the first cooler 30 by the delivery pump 230 to heat exchange with the culture medium for heating; the heated cooling water is then transported to the preheater 21 to heat exchange with the culture medium for cooling; the cooled cooling water returns to the water storage tank 110.

[0049] Cooling water reflux process: open the first control valve 130 to push the cooling water of the preheater 21 and the first cooler 30 back to the water storage tank 110 through compressed air; open the second control valve 140 to push the circulating water in the second cooler 40 into the water storage tank 110 through compressed air.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new type of ultra-high temperature instantaneous sterilization equipment, characterized in that: include: Raw material tank, used to hold the culture medium to be sterilized; A heating unit, connected to the raw material tank, for heating and sterilizing the culture medium derived from the raw material tank; A first cooler connected to the heating unit, wherein the first cooler contains cooling water for cooling the sterilized culture medium and introducing the heated cooling water into the heating unit; a second cooler, connected to the first cooler, and used to control the temperature of the cooled culture medium; The fermentation tank is connected to the second cooler and is used to receive the culture medium cooled by the second cooler.

2. A novel ultra-high temperature instantaneous sterilization equipment as claimed in claim 1, characterized in that: The heating unit comprises: a preheater, connected to the raw material tank, and used for preheating the culture medium discharged from the raw material tank to a first temperature; a heater, connected to the preheater, for heating the culture medium preheated to the first temperature to a second temperature; a maintainer, connected to the heater, for receiving the culture medium heated to the second temperature and maintaining the culture medium for a certain sterilization time; Wherein, the first cooler is communicated with the preheater.

3. A novel ultra-high temperature instantaneous sterilization equipment as claimed in claim 2, characterized in that: The novel ultra-high temperature instantaneous sterilization equipment also includes: an alkali liquid tank, connected to the preheater, and used for introducing alkali liquid into the preheater for alkali washing; a water washing tank, connected to the preheater, for introducing water into the preheater for water washing; The alkali solution in the preheater may pass through the heater, the maintainer, the first cooler and the second cooler in sequence; the water in the preheater may pass through the heater, the maintainer, the first cooler and the second cooler in sequence.

4. A novel ultra-high temperature instantaneous sterilization equipment as claimed in claim 3, characterized in that: The novel ultra-high temperature instantaneous sterilization equipment further comprises a steam source, and the steam source is connected to both the preheater and the heater.

5. A novel ultra-high temperature instantaneous sterilization equipment as claimed in claim 4, characterized in that: The steam source is connected to the preheater through a first pipeline, and a first regulating valve is arranged on the first pipeline; the steam source is connected to the heater through a second pipeline, and a second regulating valve is arranged on the second pipeline.

6. A novel ultra-high temperature instantaneous sterilization equipment as claimed in claim 4, characterized in that: The novel ultra-high temperature instantaneous sterilization equipment also includes a water storage tank, in which cooling water is contained. The water storage tank has a water inlet and a water outlet, the first cooler is connected to the water outlet, and the preheater is connected to the water inlet.

7. A novel ultra-high temperature instantaneous sterilization equipment as claimed in claim 6, characterized in that: The novel ultra-high temperature instantaneous sterilization equipment also includes a compressed air source, which has a first air outlet and a second air outlet, wherein the first air outlet is connected to the preheater and the first cooler, and the second air outlet is connected to the second cooler.

8. A novel ultra-high temperature instantaneous sterilization equipment as claimed in claim 7, characterized in that: A first control valve is provided at the first air outlet, and a second control valve is provided at the second air outlet.

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