Cow milk sterilization nozzle and sterilization tank
By adopting the design of inner and outer steam and cooling water jackets in the milk sterilization nozzle, the problems of nozzle scaling layer and protein denaturation are solved, and rapid and uniform heating of milk and efficient production are achieved.
Patent Information
- Application Number
- CN202423029038.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-09
AI Technical Summary
In the prior art, a scaling layer is easily formed at the nozzle of milk under a high-temperature and high-pressure steam environment, which leads to flow channel blockage and protein denaturation, affecting product quality and production continuity.
The milk sterilization nozzle adopts a main body and steam part structure, with milk delivered inside and steam delivered outside. Combined with a cooling water jacket, it avoids local overheating, reduces protein denaturation, and slows down the formation of scaling layer.
It effectively alleviates the scaling problem at the nozzle, improves product quality, ensures production continuity, and reduces equipment cleaning time.
Smart Images
Figure CN223437787U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dairy thermal processing technology field especially, relate to a kind of milk sterilization nozzle and sterilization tank. BACKGROUND
[0002] Currently, the thermal processing of dairy products is usually carried out by immersion direct steam sterilization machine, and the nozzle is used to add milk and other dairy products. Specifically, before the milk enters the nozzle, it needs to be preheated by an indirect heat exchanger to raise its temperature to 75-80°C, and then the milk at 80°C enters the steam cavity through the nozzle to directly contact with steam for heat exchange, and the milk is quickly heated to a sterilization temperature of 140-150°C. However, due to the high temperature and high pressure steam in the sterilization machine cavity, the temperature of the milk at the nozzle is actually greater than 90°C. When the temperature of the milk is higher than 70°C, the protein in the milk will denature, and the higher the temperature, the more severe the protein denaturation. The denatured protein can form a scale layer in the gap between the nozzles, and the thickness of the scale layer will increase with the production, which will reduce the cross-sectional area of the nozzle flow, increase the flow rate of the milk entering the steam cavity, and cause the sterilization parameters to deviate from the design parameters, thereby shortening the heating time of the milk. Furthermore, the increase of the scale layer can also cause local blockage or affect the direction of the annular flow channel of the nozzle, resulting in uneven distribution of the milk entering the steam cavity, and some of the milk cannot enter the cavity vertically and contact with the side wall of the cavity, forming a local overheating phenomenon, which can increase the cleaning frequency of the equipment. Therefore, how to eliminate or delay the formation of scale layer in the gap between the nozzles of the sterilization machine, reduce the degree of protein denaturation of the milk, improve the product quality, and ensure the processing time of continuous production is a problem that needs to be solved in the field. SUMMARY
[0003] The utility model aims to provide a kind of milk sterilization nozzle and sterilization tank to eliminate or delay the formation of scale layer in the gap between the nozzles of the sterilization machine, reduce the degree of protein denaturation of the milk, improve the product quality, and ensure the processing time of continuous production.
[0004] To achieve this purpose, the utility model adopts the following technical solutions:
[0005] The milk sterilization nozzle comprises:
[0006] The main body part and the steam part are arranged on the top of the sterilization tank, the main body part is provided with a milk conveying pipe, a cooling water conveying pipe and a through pipe, the milk conveying pipe can convey milk into the main body part, the cooling water conveying pipe can convey cooling water into the main body part, and the cooling water can form a cooling jacket on the inside and outside of the milk, the through pipe can convey steam on the inside of the milk into the steam part, the steam part is below the main body part, and can convey steam to the outside of the milk, and the milk can fully contact the steam in the through pipe and the steam part and then enter the inner cavity of the sterilization tank.
[0007] As an option, the main body part is provided with a milk flow channel and an annular gap which are in communication with each other, the milk conveying pipe is communicated with the milk flow channel, and the annular gap is communicated with the inner cavity of the sterilization tank.
[0008] As an option, the main body part is further provided with a cooling water flow channel, an inside flow channel and an outside flow channel, the inside flow channel and the outside flow channel are both communicated with the cooling water flow channel, and are respectively arranged on the inside and outside of the annular gap, and the cooling water conveying pipe is communicated with the cooling water flow channel, and the cooling water can be discharged from the main body part through the inside flow channel and the outside flow channel.
[0009] As an option, the main body part is further provided with a first discharge pipe and a second discharge pipe, the first discharge pipe is communicated with the inside flow channel, the second discharge pipe is communicated with the outside flow channel, and both are used for discharging cooling water.
[0010] As an option, the inner cavity of the through pipe is provided with a steam flow channel, the steam flow channel is arranged on the inside of the inside flow channel, and the steam flow channel is communicated with the inner cavity of the steam part.
[0011] As an option, the main body part is further provided with a heat insulation member, the heat insulation member is sleeved on the outside of the through pipe and arranged between the steam flow channel and the inside flow channel.
[0012] As an option, the main body part is further provided with a heat insulation bottom plate, the heat insulation bottom plate is arranged on the bottom of the main body part, is used for separating cooling water and steam, and is provided with a bypass channel, and the milk can pass through the bypass channel and enter the steam part.
[0013] As an option, the steam part is provided with a steam conveying pipe and an annular cavity which are in communication with each other, and the bottom of the annular cavity is uniformly provided with a plurality of gas outlets, and the steam can enter the inner cavity of the sterilization tank through the gas outlets after entering the annular cavity from the steam conveying pipe.
[0014] As optionally, the steam part is provided with a through hole, the inner cavity of the through pipe is communicated with the through hole, and the through hole is communicated with the inner cavity of the sterilization tank, so that the milk can enter the steam part between the outside of the through hole and the inside of the annular cavity after being cooled, and then enter the inner cavity of the sterilization tank after being fully contacted with steam.
[0015] The sterilization tank, wherein the milk sterilization nozzle is located at the top of the tank body, and the milk can be cooled in the milk sterilization nozzle and enter the inner cavity of the tank body after being fully contacted with steam on the inside and outside.
[0016] The beneficial effects of the utility model are as follows:
[0017] In the utility model, the milk sterilization nozzle is provided with a main body part and a steam part, and both are arranged at the top of the sterilization tank, wherein the main body part can convey milk, cooling water and steam, and the steam part can also convey steam. Specifically, the steam of the main body part is located on the inside of the milk, and the steam of the steam part is located on the outside of the milk, so that the milk can be fully contacted with the steam on the inside and outside to rapidly increase the temperature. Meanwhile, a cooling jacket is arranged in the main body part, so that the temperature rise of the milk in the flow channel will not be too high, which can effectively eliminate or slow down the local overheating of the milk caused by the high temperature of the steam on the inside and outside, reduce the degree of protein denaturation, effectively alleviate the scale layer formed by the protein denaturation of the milk at the gap flow channel, ensure the processing time of continuous production of the milk, improve the product quality, and reduce the equipment cleaning time. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the structure schematic view of the sterilization tank of the utility model embodiment;
[0019] Figure 2 is the structure schematic view of the milk sterilization nozzle of the utility model embodiment;
[0020] Figure 3 is the structure schematic view of the main body part in the milk sterilization nozzle of the utility model embodiment;
[0021] Figure 4 is the sectional view schematic view of the main body part in the milk sterilization nozzle of the utility model embodiment;
[0022] Figure 5 is the conveying schematic view of various substances in the main body part in the milk sterilization nozzle of the utility model embodiment;
[0023] Figure 6 is the structure schematic view of the steam part in the milk sterilization nozzle of the utility model embodiment;
[0024] Figure 7is a sectional view schematic diagram of the steam part in the milk sterilization nozzle according to the embodiment of the utility model;
[0025] Figure 8 is a partial sectional view schematic diagram of the sterilization tank according to the embodiment of the utility model.
[0026] In the drawing:
[0027] 100-sterilization tank; 10-main body part; 20-steam part; 11-milk delivery pipe; 12-cooling water delivery pipe; 13-first discharge pipe; 14-second discharge pipe; 15-through pipe; 16-heat insulation part; 17-heat insulation bottom plate; 101-milk flow channel; 102-annular gap; 103-cooling water flow channel; 104-inside flow channel; 105-outside flow channel; 106-steam flow channel; 21-steam delivery pipe; 201-through hole; 202-annular cavity; 203-gas outlet; 204-avoidance hole. DETAILED DESCRIPTION
[0028] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar parts or parts with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.
[0029] In the description of the utility model, unless explicitly defined and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, can be detachably connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0030] In the description of the utility model, unless explicitly defined and limited, the first feature "on" or "below" the second feature can include that the first feature and the second feature are in direct contact, or the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0031] The technical scheme of the embodiment is further illustrated below by combining the drawings and through the specific embodiments.
[0032] As Figures 1-8 shown, the embodiment provides a milk sterilization nozzle, which comprises a main body part 10 and a steam part 20, both of which are arranged at the top of a sterilization tank 100, the main body part 10 is provided with a milk delivery pipe 11, a cooling water delivery pipe 12 and a through pipe 15, the milk delivery pipe 11 can deliver milk into the main body part 10, the cooling water delivery pipe 12 can deliver cooling water into the main body part 10, and the cooling water can form a cooling jacket on the inside and outside of the milk, the through pipe 15 can deliver steam inside the milk into the steam part 20, the steam part 20 is located below the main body part 10, and can deliver steam to the outside of the milk, the milk can fully contact the steam in the through pipe 15 and the steam part 20 and then enter the inner cavity of the sterilization tank 100.
[0033] On the other hand, the sterilization tank 100 comprises a milk sterilization nozzle and a tank body, the milk sterilization nozzle is located at the top of the tank body, and the milk can be cooled in the milk sterilization nozzle and fully contacted with the steam on the inside and outside after cooling and then enter the inner cavity of the tank body.
[0034] Specifically, the milk sterilization nozzle in the embodiment comprises a main body part 10 and a steam part 20, both of which are arranged at the top of the sterilization tank 100, wherein the main body part 10 can deliver milk, cooling water and steam, and the steam part 20 can also deliver steam. Specifically, the steam of the main body part 10 is located inside the milk, and the steam of the steam part 20 is located outside the milk, so that the milk can be fully contacted with the steam on the inside and outside to rapidly increase the temperature. At the same time, a cooling jacket is arranged in the main body part 10 to cool the milk by cooling water, so as to avoid the temperature rise of the milk in the flow channel from being too high, effectively eliminate or slow down the local overheating of the milk caused by the high temperature of the steam on the inside and outside, and reduce the influence of protein denaturation, so as to effectively alleviate the scaling layer formed by protein denaturation at the gap flow channel, ensure the processing time of continuous milk production, improve the product quality, and reduce the equipment cleaning time.
[0035] The specific structure of the milk sterilization nozzle in the embodiment will be described below.
[0036] In combination Figure 1 , Figure 2As shown, the milk sterilization nozzle in the embodiment includes two parts of a main body part 10 and a steam part 20, and the milk sterilization nozzle is arranged at the top of the sterilization tank 100, that is, the main body part 10 and the steam part 20 are both arranged at the top of the sterilization tank 100. Specifically, the main body part 10 in the embodiment is used for conveying milk, and the inside of the main body part 10 is provided with cooling water, which can cool the milk, and the main body part 10 can convey high-temperature steam on the inside of the milk to fully sterilize the milk. Specifically, under the action of the cooling water, the problem of local overheating of the milk caused by the influence of the high-temperature steam can be effectively avoided, and the situation of the scale layer formed by the protein denaturation of the milk when entering the inner cavity of the sterilization tank 100 can be effectively alleviated, so as to improve the quality of the final product and shorten the cleaning cycle of the equipment. Further, the steam part 20 is arranged below the main body part 10, and can release steam on the outside of the milk, so that steam is supplied from the inside and outside of the milk at the top of the sterilization tank 100, so that the milk can be uniformly contacted with the steam, thereby improving the efficiency of heat and mass transfer and ensuring the product quality.
[0037] As shown in Figure 3 and Figure 4 As shown, the main body part 10 in the embodiment is provided with a milk conveying pipe 11, a cooling water conveying pipe 12, a first discharge pipe 13, a second discharge pipe 14, a through pipe 15, a heat insulation piece 16 and a heat insulation bottom plate 17, and the inside of the main body part 10 is provided with a milk flow channel 101, an annular gap 102, a cooling water flow channel 103, an inside flow channel 104, an outside flow channel 105 and a steam flow channel 106.
[0038] As shown in Figure 5 Specifically, the milk conveying pipe 11 in the embodiment can convey milk into the main body part 10, and the milk conveying pipe 11 is communicated with the milk flow channel 101, the milk flow channel 101 and the annular gap 102 are communicated with each other, and the annular gap 102 is communicated with the inner cavity of the sterilization tank 100, so that the milk can enter the inner cavity of the steam part 20 through the milk conveying pipe 11, the milk flow channel 101 and the annular gap 102, and then enter the inner cavity of the sterilization tank 100, so as to realize the conveying of the milk. Exemplarily, the milk flow channel 101 in the embodiment is located above the annular gap 102, and the ring diameter size of the milk flow channel 101 is greater than the ring diameter size of the annular gap 102, so as to ensure uniform conveying of the milk under the action of gravity.
[0039] Optionally, the cooling water conveying pipe 12 can convey cooling water into the main body 10, and the cooling water can form a cooling jacket on the inner and outer sides of the milk, so as to ensure that the temperature of the milk in the flow channel does not rise too high, and to avoid the problem of local overheating of the milk. Specifically, the inner flow channel 104 and the outer flow channel 105 are both communicated with the cooling water flow channel 103, and are located on the inner and outer sides of the annular gap 102, so as to form a cooling jacket on the inner and outer sides of the milk, and ensure the cooling effect of the milk. Optionally, the inner flow channel 104 and the outer flow channel 105 are both provided as double flow channels with a bottom communication, so as to improve the cooling efficiency of the milk. Further, the cooling water conveying pipe 12 is communicated with the cooling water flow channel 103, and the cooling water can be discharged from the main body 10 through the inner flow channel 104 and the outer flow channel 105, so as to ensure the smoothness of the cooling water in and out of the main body 10. Specifically, the first discharge pipe 13 is communicated with the inner flow channel 104, and the second discharge pipe 14 is communicated with the outer flow channel 105, so that the cooling water in the inner flow channel 104 can be discharged from the main body 10 through the first discharge pipe 13, and the cooling water in the outer flow channel 105 can be discharged from the main body 10 through the second discharge pipe 14.
[0040] Illustratively, in the embodiment, the cooling water can be conveyed through the cooling water conveying pipe 12, the cooling water flow channel 103, the inner flow channel 104, the first discharge pipe 13, and the cooling water conveying pipe 12, the cooling water flow channel 103, the outer flow channel 105, and the second discharge pipe 14, so as to achieve the effect of the cooling jacket. Optionally, in the embodiment, the cooling water conveying pipe 12 is located above the milk conveying pipe 11, and the two are oppositely arranged, so as to avoid the problem of mixed conveying when conveying milk and cooling water by the operator. Further, the upper end of the milk flow channel 101 and the annular gap 102 are both located inside the cooling water flow channel 103, so that the cooling water in the cooling water flow channel 103 can also cool the milk in the upper end of the milk flow channel 101 and the annular gap 102, effectively avoiding the problem of local overheating of the milk. Further, the bottom of the main body 10 is provided with a heat insulation bottom plate 17 for blocking the cooling water and the steam, so that the two do not come into contact and affect each other's working effect. Further, the heat insulation bottom plate 17 is provided with an avoidance channel penetrating therethrough, so that the milk can pass through the avoidance channel into the steam part 20, ensuring the smooth passage of the milk. Illustratively, the heat insulation bottom plate 17 is provided as two annular plates, one smaller annular plate is located inside the annular gap 102 to block the inner flow channel 104, and the other larger annular plate is located outside the annular gap 102 to block the outer flow channel 105, and the avoidance channel is located between the two annular plates for the milk to pass through.
[0041] Optionally, the through pipe 15 is arranged at the center of the main body 10 in the embodiment, and the through pipe 15 is arranged from top to bottom, so that the steam in the inside of the milk can be transported into the steam part 20. Specifically, the inner cavity of the through pipe 15 is arranged as a steam flow channel 106 in the embodiment, and the steam flow channel 106 is located in the inside of the inside flow channel 104 and is communicated with the inner cavity of the steam part 20, so as to ensure the smooth transportation of the steam. Further, the heat insulation member 16 of the main body 10 is arranged between the steam flow channel 106 and the inside flow channel 104 and is sleeved on the outside of the through pipe 15, so as to ensure the separation between the steam and the cooling water, avoid the influence of the temperature of the two on each other, and further affect the cooling and sterilization of the subsequent milk.
[0042] As shown in Figure 6-8 , the steam delivery pipe 21 is arranged on the steam part 20 in the embodiment, and the through hole 201, the annular cavity 202 and the avoiding hole 204 are arranged, and the gas outlet 203 is further arranged in the annular cavity 202. Optionally, the steam delivery pipe 21 and the annular cavity 202 are communicated with each other, so that the steam can be transported into the annular cavity 202 through the steam delivery pipe 21. Further, the bottom of the annular cavity 202 is uniformly distributed with a plurality of gas outlets 203, and the steam entering the annular cavity 202 from the steam delivery pipe 21 can enter the inner cavity of the sterilization tank 100 through the gas outlet 203, so as to deliver the steam to the outside of the milk. Further, the through hole 201 is arranged through the center of the steam part 20, and the main body 10 can be inserted into the through hole 201 and arranged on the steam part 20, so as to ensure the stability of the milk sterilization nozzle structure.
[0043] Specifically, the inner cavity of the through pipe 15 is communicated with the through hole 201, that is, the steam flow channel 106 is communicated with the through hole 201, so that when the steam is transported on the upper end of the through pipe 15, the steam can enter the inside of the steam part 20 through the steam flow channel 106 and the through hole 201. Further, the other end of the through hole 201 is communicated with the inner cavity of the sterilization tank 100, so that the steam can enter the sterilization tank 100 from the inside of the steam part 20. Exemplarily, the through hole 201 is located in the inside of the annular cavity 202 in the embodiment, so that the cooled milk can enter the steam part 20 between the outside of the through hole 201 and the inside of the annular cavity 202, and after fully contacting with the steam on the inside and outside, it can enter the inner cavity of the sterilization tank 100, so as to rapidly increase the temperature of the milk. As shown in Figure 6 and Figure 7 , further, the avoiding hole 204 is further arranged on both sides of the steam part 20, so as to avoid the first discharge pipe 13 and the second discharge pipe 14, so that the cooling water can be discharged from the main body 10.
[0044] As shown in Figures 5-8As shown, in the embodiment, the inlet of the cooling water delivery pipe 12 is set as port A, the outlets of the first and second discharge pipes 13 and 14 are set as ports A1 and A2 respectively, the inlet of the milk delivery pipe 11 is set as port B, the inlet of the through pipe 15 is set as port C, and the outlet of the through pipe 15 is set as port C1. Further, the inlet of the steam delivery pipe 21 is set as port D, and the outlet of the outlet port 203 is set as port D1. Specifically, in the embodiment, the cooling water enters through port A, and exits through ports A1 and A2 to form a cooling jacket for cooling the milk to avoid local high temperature. Further, the milk enters through port B, and after being cooled by the cooling water, enters the steam section 20, and then enters the sterilization tank 100 after fully contacting the inner and outer steam. Specifically, the steam outside the milk enters through port D and then exits through port D1 to contact the milk, and the steam inside the milk enters through port C and then exits through port C1 to contact the milk, so that the inner and outer sides of the milk can fully contact the steam in the two steam delivery modes, thereby ensuring the rapid heating effect of the milk.
[0045] As shown, in the embodiment, the inlet of the cooling water delivery pipe 12 is set as port A, the outlets of the first and second discharge pipes 13 and 14 are set as ports A1 and A2 respectively, the inlet of the milk delivery pipe 11 is set as port B, the inlet of the through pipe 15 is set as port C, and the outlet of the through pipe 15 is set as port C1. Further, the inlet of the steam delivery pipe 21 is set as port D, and the outlet of the outlet port 203 is set as port D1. Specifically, in the embodiment, the cooling water enters through port A, and exits through ports A1 and A2 to form a cooling jacket for cooling the milk to avoid local high temperature. Further, the milk enters through port B, and after being cooled by the cooling water, enters the steam section 20, and then enters the sterilization tank 100 after fully contacting the inner and outer steam. Specifically, the steam outside the milk enters through port D and then exits through port D1 to contact the milk, and the steam inside the milk enters through port C and then exits through port C1 to contact the milk, so that the inner and outer sides of the milk can fully contact the steam in the two steam delivery modes, thereby ensuring the rapid heating effect of the milk.
[0046] As shown, in the embodiment, the inlet of the cooling water delivery pipe 12 is set as port A, the outlets of the first and second discharge pipes 13 and 14 are set as ports A1 and A2 respectively, the inlet of the milk delivery pipe 11 is set as port B, the inlet of the through pipe 15 is set as port C, and the outlet of the through pipe 15 is set as port C1. Further, the inlet of the steam delivery pipe 21 is set as port D, and the outlet of the outlet port 203 is set as port D1. Specifically, in the embodiment, the cooling water enters through port A, and exits through ports A1 and A2 to form a cooling jacket for cooling the milk to avoid local high temperature. Further, the milk enters through port B, and after being cooled by the cooling water, enters the steam section 20, and then enters the sterilization tank 100 after fully contacting the inner and outer steam. Specifically, the steam outside the milk enters through port D and then exits through port D1 to contact the milk, and the steam inside the milk enters through port C and then exits through port C1 to contact the milk, so that the inner and outer sides of the milk can fully contact the steam in the two steam delivery modes, thereby ensuring the rapid heating effect of the milk.
[0047] In summary, in the embodiment, the milk is heated by injecting the milk into high-temperature and high-pressure steam through the immersion direct steam sterilization method to achieve the heating effect of the milk, and to form the purpose of direct contact heat exchange between the steam and the liquid. Specifically, when the steam temperature is lower than the saturation temperature, the steam begins to condense and release heat, and the convective heat transfer coefficient is several orders of magnitude higher than that of the indirect heat exchange in the prior art. Not only the heat transfer efficiency is significantly increased, but also the temperature of the milk can be rapidly increased, so that the time required for sterilization temperature is greatly shortened, and the energy consumption is reduced under the more efficient heat transfer efficiency.
[0048] Secondly, due to the direct mixing of steam and milk, the temperature of the milk can be uniformly distributed, avoiding the risk of local overheating, so as to be suitable for large flow operation, improving the operation efficiency. Specifically, the injection amount of steam can be adjusted according to the target temperature of the milk, so that the heating process can be flexibly controlled by using system related control, and compared with the existing indirect sterilization process, the problem of uneven temperature distribution can be solved, and the mild heating of heat-sensitive substances can be more suitable, so that the temperature adjustment is more in line with the needs.
[0049] Finally, in the embodiment, the steam can be directly contacted with the milk under the action of the milk sterilization nozzle, so that the problem of internal fouling caused by long-term high temperature can be effectively reduced, the milk can be rapidly heated by the steam on the inside and outside, and the microorganisms in the milk can also be better killed. At the same time, the milk is protected from temperature rise before entering the tank, so as to prevent the milk from overheating and fouling, and after the milk enters the tank, the milk is rapidly heated by the steam, so as to reduce the influence on the flavor of the milk itself, so as to facilitate the original flavor of the milk.
[0050] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.
Claims
1. Milk sterilization nozzle, characterized in that, include: The main body (10) and the steam part (20) are both arranged on the top of the sterilization tank (100). The main body (10) is provided with a milk delivery pipe (11), a cooling water delivery pipe (12) and a through pipe (15). The milk delivery pipe (11) can deliver milk to the main body (10), the cooling water delivery pipe (12) can deliver cooling water to the main body (10), and the cooling water can form a cooling jacket on both sides of the milk. The through pipe (15) can deliver steam from the inside of the milk to the steam part (20). The steam part (20) is located below the main body (10) and can deliver steam to the outside of the milk. The milk can fully contact the through pipe (15) and the steam in the steam part (20) and then enter the inner cavity of the sterilization tank (100).
2. The milk sterilizing nozzle according to claim 1, characterized in that: The main body (10) is provided with a milk flow channel (101) and an annular gap (102) that are interconnected. The milk delivery tube (11) is connected to the milk flow channel (101), and the annular gap (102) is connected to the inner cavity of the sterilization tank (100).
3. The milk sterilizing nozzle according to claim 2, characterized in that: The main body (10) is further provided with a cooling water flow channel (103), an inner flow channel (104) and an outer flow channel (105). Both the inner flow channel (104) and the outer flow channel (105) are connected to the cooling water flow channel (103) and are respectively located on the inner and outer sides of the annular gap (102). The cooling water delivery pipe (12) is connected to the cooling water flow channel (103). The cooling water can be discharged from the main body (10) through the inner flow channel (104) and the outer flow channel (105).
4. The milk sterilizing nozzle according to claim 3, characterized in that: The main body (10) is further provided with a first discharge pipe (13) and a second discharge pipe (14), wherein the first discharge pipe (13) is connected to the inner flow channel (104), and the second discharge pipe (14) is connected to the outer flow channel (105), both of which are used to discharge cooling water.
5. The milk sterilizing nozzle according to claim 3, characterized in that: The inner cavity of the through pipe (15) is configured as a steam flow channel (106), and the steam flow channel (106) is located inside the inner flow channel (104), and the steam flow channel (106) is connected to the inner cavity of the steam portion (20).
6. The milk sterilizing nozzle according to claim 5, characterized in that The main body (10) is further provided with a heat insulating member (16), which is sleeved on the outside of the through pipe (15) and located between the steam flow channel (106) and the inner flow channel (104).
7. The milk sterilizing nozzle according to claim 1, characterized in that: The main body (10) is further provided with a heat-insulating bottom plate (17), which is located at the bottom of the main body (10) and is used to isolate cooling water and steam. An escape channel is provided on the heat-insulating bottom plate (17), and milk can enter the steam portion (20) through the escape channel.
8. The milk sterilizing nozzle according to claim 1, characterized in that The steam portion (20) is provided with a steam delivery pipe (21) and an annular cavity (202) that are interconnected, and a plurality of air outlets (203) are evenly distributed at the bottom of the annular cavity (202). After the steam enters the annular cavity (202) through the steam delivery pipe (21), it can enter the inner cavity of the sterilization tank (100) through the air outlets (203).
9. The milk sterilizing nozzle according to claim 8, characterized in that The steam section (20) is provided with a through hole (201), the inner cavity of the through pipe (15) is connected to the through hole (201), and the through hole (201) is connected to the inner cavity of the sterilization tank (100). After cooling, the milk can enter the steam section (20) between the outer side of the through hole (201) and the inner side of the annular cavity (202), and then enter the inner cavity of the sterilization tank (100) after being fully contacted with the steam.
10. Sterilization tank, characterized in that: The invention comprises the milk sterilizing nozzle and the tank body according to any one of claims 1 to 9, wherein the milk sterilizing nozzle is located at the top of the tank body, and the milk can be cooled in the milk sterilizing nozzle and enter the inner cavity of the tank body after being fully contacted with the steam on both sides of the tank body after cooling.