Concentration and separation device for dairy product production

By introducing a steam circulation system into the dairy product concentration and separation device, heating the dairy products with heating rods and heating wires, and recovering and utilizing the steam heat, the problem of energy waste in the existing technology is solved, and a more efficient and energy-saving concentration and separation process is achieved.

CN223681904UActive Publication Date: 2025-12-19YOUNUO DAIRY CO LTD
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Patent Information

Application Number
CN202520074707.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-19
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing dairy product concentration and separation devices waste electrical energy by using heating rods or heating wires, and the heat generated by the steam is not fully utilized, resulting in energy waste and high costs.

Method used

The device employs a heating separation unit and a steam circulation unit. It uses heating rods and heating wires to heat dairy products. Steam is recovered through a steam collection structure and recycled through a hot gas heating pipe to assist in heating dairy products. The recovery structure collects and utilizes the condensate.

Benefits of technology

It improves the efficiency of dairy product concentration and separation, saves energy, reduces production costs, and makes full use of steam heat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a concentrating and separating device for dairy product production, which relates to the field of dairy product processing, and comprises a heating and separating device, the heating and separating device comprises a box body and a heating structure, the heating structure comprises a heating disc and heating rods, is arranged in the box body and is used for heating dairy products, and a plurality of groups of heating rods are arranged on the top surface of the heating disc; the steam circulating device is arranged in the box body and comprises a hot air heating pipe, a steam collecting structure located on one side of the box body and a recycling structure located on the other side of the box body, the steam collecting structure is used for collecting steam and conveying the steam to the heating disc, the hot air heating pipe is vertically upwards arranged, and the bottom end is communicated with the heating disc while the top end is connected with the recycling structure; the steam moves upwards in the hot air heating pipe to heat the dairy products, and the recycling structure can convey the recycled steam into the heating disc again. Steam generated by heating dairy products through the heating rod is recycled to heat the dairy products, the whole structure is simple, heat energy of the steam is fully utilized, more energy is saved, the environment is protected, and cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of dairy product processing especially relates to a concentrated separation device for dairy product production. BACKGROUND

[0002] Dairy product: refers to using cow milk or goat milk and its processing products as main raw material, adding or not adding appropriate vitamin, mineral substance and other auxiliary materials, using the conditions required by laws and regulations and standard regulations, processing into various foods, also called butter product, and the dairy product needs to be concentrated and separated in the process of processing, therefore needs the special device to separate.

[0003] The existing dairy product concentrated separation device simple structure usually adopts the mode of heating to heat separation, but the heating rod or heating wire mode carries out heating to the dairy product and can waste more electric energy, and the steam generated by heating does not get full use of the large amount of heat, wastes energy, and the cost of concentration and separation is higher. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that: in view of the above-mentioned defects in the prior art, provide a concentrated separation device for dairy product production.

[0005] The utility model discloses a following technical scheme to solve the above-mentioned technical problem:

[0006] In order to overcome the above-mentioned defects of prior art, the embodiment of the utility model provides a concentrated separation device for dairy product production to solve the problems in the above background art.

[0007] The utility model discloses a following technical scheme to solve the above-mentioned technical problem:

[0008] A concentrated separation device for dairy product production, comprising: a heating separation device, the heating separation device includes a box body and a heating structure, the box body top is provided with the material opening, and the bottom is provided with the discharge port, the heating structure is arranged in the box body and is used for heating the dairy product in its inside, the heating structure includes a heating disc and a heating rod, and the number of heating rods is multiple and is arranged on the top surface of the heating disc.

[0009] Steam circulation device, the steam circulation device is equipped in the box body, includes hot gas heating pipe and the steam collection structure on one side of the box body and the recovery structure on the other side, the steam collection structure is used to collect steam and is transported to the heating disc, the hot gas heating pipe is vertically arranged upwards, and the bottom end is communicated with the heating disc, and the top end is connected with the recovery structure, the steam moves upwards in the hot gas heating pipe and heats the dairy product, and the recovery structure can transport the recovered steam to the heating disc again.

[0010] Preferably, a temporary air cavity is arranged in the heating disc, and a temporary water storage groove is arranged below the temporary air cavity; the temporary air cavity is provided with connecting openings on both sides to be connected with the steam collecting structure and the recovery structure respectively.

[0011] Preferably, the heating disc is provided with a heating wire on one side of the bottom of the temporary water storage groove, so that the water in the temporary water storage groove is heated to evaporate into the temporary air cavity; and the temporary water storage groove is provided with a water outlet opening on one side of the bottom.

[0012] Preferably, the heating wire is provided with a plurality of branch wires extending into the heating rod; the temporary air cavity is provided with a gas overflow port at the top to communicate with the bottom end structure of the hot gas heating pipe; and the number of the gas overflow port and the hot gas heating pipe is multiple.

[0013] Preferably, the heating disc is in a ring structure and is provided with a spiral groove for clamping the heating wire; the spiral groove is arranged below the temporary water storage groove; and the hot gas heating pipe and the heating rod are arranged in a ring shape on the top of the heating disc.

[0014] Preferably, the steam collecting structure comprises a collecting groove, a steam channel and a first fan; the collecting groove is arranged in the top of the box body to collect steam; the steam channel is arranged between the collecting groove and the heating disc; and the first fan can blow the collected steam into the heating disc.

[0015] Preferably, the collecting groove comprises a steam collecting opening, a guide channel and a water receiving groove; the steam collecting opening is arranged to be inclined upward to allow steam to enter; the guide channel is arranged to be inclined between the steam collecting opening and the first fan; and the water receiving groove is arranged at the steam collecting opening to collect water.

[0016] Preferably, the recovery structure comprises a second fan and a recovery pipe; the recovery pipe is arranged between the hot gas heating pipe and the temporary air cavity; and the second fan is used to transport the recovered steam into the temporary air cavity.

[0017] Preferably, a heating power supply and a sealing structure are arranged in communication with the side of the heating disc; the heating power supply is arranged outside the box body; and the sealing structure is arranged between the heating power supply and the heating disc.

[0018] Preferably, a temperature sensor and a controller connected with the temperature sensor are arranged in the box body; the temperature sensor is used to monitor the temperature of the dairy product in the box body; and the controller can control the heating power supply.

[0019] Compared with the prior art, the above technical scheme has the following technical effects:

[0020] The heating rod and the heating wire are arranged to heat the dairy product to separate water vapor from the dairy product, the steam generated by heating contains a large amount of heat, the steam is recycled to heat the dairy product through the steam collection structure, and the condensed liquid is heated or distilled water is collected through the drainage opening, the overall structure is relatively simple, the heat energy of the steam is fully utilized, the concentration and separation of the dairy product can be completed more quickly, compared with the heating wire heating, the device is more energy-saving and environment-friendly, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a cross-sectional schematic view of the concentrated separation device for dairy product production.

[0022] Figure 2 It is a schematic view of the concentrated separation device for dairy product production.

[0023] Figure 3 It is a schematic view of the heating disc of the concentrated separation device for dairy product production.

[0024] Figure 4 It is an internal view of the concentrated separation device for dairy product production.

[0025] Figure 5 It is a spiral groove and heating wire diagram of the concentrated separation device for dairy product production.

[0026] Figure 6 It is a schematic view of the position relationship between the heating rod and the hot gas heating pipe of the concentrated separation device for dairy product production.

[0027] Among them, the signs are: 1, heating separation device; 101, box; 102, heating structure; 103, injection opening; 104, discharge port; 105, heating disc; 106, heating rod; 107, temporary air cavity; 108, temporary water storage tank; 109, connecting opening; 110, heating wire; 111, drainage opening; 112, branch wire; 113, overflow port; 114, spiral groove; 115, heating power supply; 116, sealing structure; 117, temperature sensor; 118, controller; 2, steam circulation device; 201, hot gas heating pipe; 202, steam collection structure; 203, recovery structure; 204, collection tank; 205, steam channel; 206, first fan; 207, steam collection opening; 208, guide channel; 209, water body receiving tank; 210, second fan; 211, recovery pipe. DETAILED DESCRIPTION

[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0029] Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] Embodiment one

[0031] As shown in the drawings Figures 1 to 6 A concentrated separation device for dairy product production, comprising a heating separation device 1, the heating separation device 1 comprises a box body 101 and a heating structure 102, the box body 101 is provided with a feeding opening 103 at the top and a discharge port 104 at the bottom, the heating structure 102 is arranged in the box body 101 for heating the dairy products inside, the heating structure 102 comprises a heating disc 105 and a heating rod 106, the number of heating rods 106 is multiple and arranged on the top surface of the heating disc 105.

[0032] A steam circulating device 2 is arranged in the box body 101, comprising a hot gas heating pipe 201, a steam collecting structure 202 on one side of the box body 101 and a recycling structure 203 on the other side, the steam collecting structure 202 is used for collecting and transporting steam to the heating disc 105, the hot gas heating pipe 201 is vertically upward, the bottom end is communicated with the heating disc 105, and the top end is connected with the recycling structure 203, the steam moves upward in the hot gas heating pipe 201 to heat the dairy products, and the recycling structure 203 can transport the recycled steam into the heating disc 105 again.

[0033] Wherein: the bottom of the box body 101 is provided with a base and universal wheels, the base is used for supporting the box body 101, the number of universal wheels is multiple and arranged on the bottom of the base, the base and the universal wheels are arranged to facilitate the adjustment of the position of the box body 101, a locking rod is arranged between the base and the universal wheels to lock the universal wheels, thereby locking the position of the box body 101, the feeding opening 103 is convenient for adding dairy products into the box body 101, and the discharge port 104 is provided with a filter screen to filter the dairy products.

[0034] The heating rod 106 is annularly arranged on the top surface of the heating disc 105. The heating disc 105 is internally provided with a heating wire group. The number of the heating wire group is matched with the number of the heating rod 106. The heating rod 106 is internally provided with a fixing part for supporting the heating wire group. The outer side of the box body 101 is provided with a power supply for connecting with the heating wire group. The power supply can adjust the current size of the heating wire group, thereby controlling the heating of the dairy product by the heating rod 106. The power supply and the heating wire group are provided with a sealing assembly. The sealing assembly includes a protective cylinder through which the power supply wire passes and sealing rings arranged at both ends of the protective cylinder. The sealing assembly can avoid the dairy product from entering, and has a higher safety factor.

[0035] The number of the hot gas heating pipes 201 is multiple groups, which are annularly arranged on the top of the heating disc 105. The top of the heating disc 105 is provided with a sealing coupling groove corresponding to the position to connect with the bottom structure of the hot gas heating pipe 201. The two are fixed by plug-in or threaded connection. The heating disc 105 is a three-layer structure, including a gas layer arranged on the top, a liquid layer arranged in the middle and a heating layer arranged on the bottom.

[0036] The bottom of the gas layer is provided with openings on both sides to connect with the steam collection structure 202 and the recovery structure 203 respectively. The top of the gas layer is provided with a gas opening to communicate with the bottom structure of the hot gas heating pipe 201. The liquid layer can collect the liquid dropped from the gas layer. One side of the liquid layer is provided with a drain pipe to discharge the distilled water outside the box body 101. At least part of the structure of the heating wire group is arranged in the heating layer to heat the liquid in the liquid layer.

[0037] The steam collection structure 202 includes a collection port, a steam guide channel and a collection fan. The collection port is arranged obliquely to facilitate the steam generated after the heating of the dairy product to enter. The collection port is connected with the steam guide channel at one end for steam collection. At least part of the structure of the collection fan is arranged in the steam guide channel to transport the collected steam into the gas layer of the heating disc 105 by blowing.

[0038] The recovery structure 203 includes a recovery gas pipe, a recovery fan and a gas conveying pipe. The recovery gas pipe is connected with the top of the hot gas heating pipe 201. At least part of the structure of the recovery fan is arranged in the gas conveying pipe to convey the recovered gas into the gas layer of the heating disc 105 by blowing. The box body 101 is provided with an exhaust pipe corresponding to one side of the gas conveying pipe to exhaust. The gas layer is provided with a partition plate to separate the recovered steam from the collected steam to avoid collision.

[0039] Embodiment two

[0040] On the basis of embodiment one, the scheme in embodiment one is further refined and introduced in detail in combination with the specific working mode as follows: Figures 1 to 6 As shown in the following description:

[0041] As a preferred embodiment, the heating disc 105 is provided with a temporary air cavity 107 at the upper part and a temporary water storage tank 108 at the lower part. The structure on both sides of the temporary air cavity 107 is provided with a connecting opening 109 to connect with the steam collection structure 202 and the recovery structure 203 respectively. Further, the connecting opening 109 is located on the side of the temporary air cavity 107 close to the bottom. A partition plate is arranged in the temporary air cavity 107 to avoid the collision of the collected and recovered steam. The top of the temporary air cavity 107 is inclined to facilitate the steam to enter the hot gas heating pipe 201 upward. The temporary air cavity 107 is used for temporary storage of the steam delivered by the steam collection structure 202 and the recovery structure 203. After temporary storage, the steam moves upward into the hot gas heating pipe 201 to heat the dairy products in the box 101. The steam remaining on the inner wall of the temporary air cavity 107 will condense and drop into the temporary water storage tank 108 for storage over time.

[0042] As a preferred embodiment, the structure of the heating disc 105 located on the side of the bottom of the temporary water storage tank 108 is provided with a heating wire 110 to heat the water in the temporary water storage tank 108 to evaporate into the temporary air cavity 107. The structure on the side of the bottom of the temporary water storage tank 108 is provided with a drainage opening 111. Further, when the steam enters the temporary air cavity 107, part of the structure will stick to the inner wall of the cavity and then condense and drop into the temporary water storage tank 108. At this time, the heating wire 110 located at the bottom of the temporary water storage tank 108 will heat the stored water to gasify and then move upward to the temporary air cavity 107. When there is too much water in the temporary water storage tank 108, distilled water can be guided into the device for collection through the drainage opening 111 for subsequent use of distilled water.

[0043] As a preferred embodiment, the heating wire 110 is provided with a plurality of branch wires 112 extending into the inside of the heating rod 106. The top of the temporary air cavity 107 is provided with a gas overflow port 113 to communicate with the bottom structure of the hot gas heating pipe 201. The number of the gas overflow port 113 and the hot gas heating pipe 201 is multiple. Further, the number of the branch wire 112 is adapted to the number of the heating rod 106. The heating rod 106 is provided with a clamping groove to clamp the branch wire 112. The size of the gas overflow port 113 is adapted to the diameter of the pipe body of the hot gas heating pipe 201. The internal structure of the heating disc 105 is provided with a channel for connecting the branch wire 112 with the heating wire 110 located at the bottom. The bottom outer wall of the hot gas heating pipe 201 is provided with a threaded segment. The gas overflow port 113 is upwardly provided with an extension structure. The extension structure is provided with a thread to be threadedly connected with the threaded segment. A sealing ring is arranged between the gas overflow port 113 and the hot gas heating pipe 201 to prevent the dairy products from entering the hot gas heating pipe 201.

[0044] As a preferred embodiment, the heating disc 105 is annular structure inside provided with spiral groove 114 for clamping the heating wire 110, the spiral groove 114 is provided below the temporary water storage tank 108, the hot gas heating pipe 201 and the heating rod 106 are annularly arranged on the top of the heating disc 105; further, the spiral structure of the spiral groove 114 can improve the heating efficiency of the heating wire 110 to the temporary water storage tank 108, the water accumulated in the temporary water storage tank 108 will be heated into steam and then move upward, the annularly arranged heating rod 106 can improve the heating effect on the dairy products in the box 101, the hot gas heating pipe 201 is annularly arranged in the annular structure surrounded by the heating rod 106, and the heating rod 106 also heats the liquid adhered to the inner wall of the hot gas heating pipe 201 when heating the dairy products.

[0045] As a preferred embodiment, the steam collecting structure 202 includes a collecting tank 204, a steam passage 205 and a first fan 206, the collecting tank 204 is arranged at the top of the box 101 for collecting steam, the steam passage 205 is arranged between the collecting tank 204 and the heating disc 105, and the first fan 206 can blow the collected steam into the heating disc 105; further, the opening of the collecting tank 204 is arranged obliquely to facilitate the entry of steam, the first fan 206 is at least partially arranged in the steam passage 205 to blow the steam downward to enter the heating disc 105, the inner wall of the steam passage 205 is smooth to reduce the resistance to the downward movement of the steam, and the top of the box 101 is provided with a fixing frame for fixing the first fan 206.

[0046] As a preferred embodiment, the collecting tank 204 includes a steam collecting opening 207, a guide passage 208 and a water receiving tank 209, the steam collecting opening 207 is arranged obliquely upward to facilitate the entry of steam, the guide passage 208 is arranged obliquely between the steam collecting opening 207 and the first fan 206, and the water receiving tank 209 is arranged at the steam collecting opening 207 to collect water; further, the steam collecting opening 207 is in an overall eight-shaped structure, the obliquely arranged eight-shaped structure facilitates the entry of steam into the guide passage 208, the guide passage 208 can move the steam entering the steam collecting opening 207 to one side of the first fan 206, the first fan 206 blows the steam downward, the water receiving tank 209 is in a U-shaped structure arranged at the bottom of the eight-shaped structure, and the two are fixed by clamping or inserting, part of the steam moving upward will adhere to the side wall of the steam collecting opening 207 and gradually condense into water and drop downward over time, at this time the water receiving tank 209 can collect it to avoid the backflow of water and the mixing of dairy products again.

[0047] As a preferred embodiment, the recovery structure 203 comprises a second fan 210 and a recovery pipe 211 arranged between the hot air heating pipe 201 and the temporary air cavity 107, the second fan 210 being used to transport the recovered steam into the temporary air cavity 107; further, the recovery pipe 211 is in multiple groups or provided with an interface at the bottom to communicate with the hot air heating pipe 201, one end of the recovery pipe 211 is connected with the top structure of the hot air heating pipe 201, and the other end is connected with the temporary air cavity 107, and the second fan 210 is at least partially arranged in the recovery pipe 211 to blow the steam downward into the temporary air cavity 107, and the condensed water will enter the temporary water tank 108 along the recovery pipe 211.

[0048] As a preferred embodiment, the heating disc 105 is provided with a heating power supply 115 and a sealing structure 116 on the side, the heating power supply 115 is arranged outside the box 101, and the sealing structure 116 is arranged between the heating power supply 115 and the heating disc 105; further, the heating power supply 115 is used to output direct current to the heating wire 110 to heat it and heat the dairy product in the box 101, the heating power supply 115 is provided with multiple wiring terminals to be connected with the heating wire 110 through wires, the inner wall of the sealing structure 116 is made of insulating material, the sealing structure 116 is a cylindrical structure to allow the wires to pass through, the end of the cylindrical structure is open and can be coupled with the inner wall of the heating disc 105 and the box 101, the coupling mode can be screw connection, and a sealing ring is arranged at the opening of the end to improve the sealing performance.

[0049] As a preferred embodiment, the box 101 is provided with a temperature sensor 117 and a connected controller 118, the temperature sensor 117 is used to monitor the temperature of the dairy product in the box 101, and the controller 118 can control the heating power supply 115; further, the temperature sensor 117 is arranged in at least two groups to monitor the temperature at different positions in the box 101, the controller 118 can analyze the temperature values transmitted by the two groups of temperature sensors 117 to control the voltage or current of the heating power supply 115 to the heating wire 110, thereby adjusting the heating amount of the heating wire 110 and saving energy.

[0050] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0051] Secondly, the utility model discloses the embodiment in the drawing, only relate to the structure with the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other.

[0052] Finally, the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A concentration and separation apparatus for dairy production, characterized in that, Include: The heating separation device (1) includes a box (101) and a heating structure (102), the box (101) is provided with a feeding opening (103) at the top and a discharging opening (104) at the bottom, the heating structure (102) is arranged in the box (101) for heating the dairy products inside, the heating structure (102) includes a heating disc (105) and a heating rod (106), the heating rod (106) is arranged on the top surface of the heating disc (105) in multiple groups; The steam circulation device (2) is arranged in the box (101) and includes a hot gas heating pipe (201), a steam collecting structure (202) on one side of the box (101) and a recycling structure (203) on the other side, the steam collecting structure (202) is used for collecting and transporting steam to the heating disc (105), the hot gas heating pipe (201) is arranged vertically upward, the bottom end is communicated with the heating disc (105), and the top end is connected with the recycling structure (203), the steam moves upward in the hot gas heating pipe (201) to heat the dairy products, and the recycling structure (203) can transport the recycled steam into the heating disc (105) again.

2. A concentration and separation device for dairy production according to claim 1, characterized in that: The heating disc (105) is provided with a temporary air cavity (107) at the upper part and a temporary water storage tank (108) at the lower part, and the temporary air cavity (107) is provided with connecting openings (109) on both sides to be connected with the steam collecting structure (202) and the recycling structure (203) respectively.

3. A concentration and separation device for dairy production according to claim 2, characterized in that: The structure of the heating disc (105) on one side of the bottom of the temporary water storage tank (108) is provided with a heating wire (110) which can heat the water in the temporary water storage tank (108) to evaporate into the temporary air cavity (107), and the structure of the temporary water storage tank (108) on one side of the bottom is provided with a drain opening (111).

4. A concentration and separation device for dairy production according to claim 3, characterized in that: The heating wire (110) is provided with a plurality of branch wires (112) to extend into the inside of the heating rod (106), the top of the temporary air cavity (107) is provided with a gas overflow port (113) to be communicated with the bottom structure of the hot gas heating pipe (201), and the number of the gas overflow port (113) and the hot gas heating pipe (201) is multiple.

5. A concentration and separation device for dairy production according to claim 3, characterized in that: The heating disc (105) is provided with a spiral groove (114) inside the annular structure for clamping the heating wire (110), the spiral groove (114) is arranged below the temporary water storage tank (108), and the hot gas heating pipe (201) and the heating rod (106) are arranged in a ring shape on the top of the heating disc (105).

6. A concentration and separation device for dairy production according to claim 1, characterized in that: The steam collecting structure (202) comprises a collecting groove (204), a steam channel (205) and a first fan (206), the collecting groove (204) is arranged at the top of the box (101) for collecting steam, the steam channel (205) is arranged between the collecting groove (204) and the heating disc (105), and the first fan (206) can blow the collected steam into the heating disc (105).

7. A concentration and separation device for dairy production according to claim 6, characterized in that: The collecting groove (204) comprises a steam collecting opening (207), a guide channel (208) and a water body receiving groove (209), the steam collecting opening (207) is arranged upwardly to enter steam, the guide channel (208) is arranged between the steam collecting opening (207) and the first fan (206) in a slope manner, and the water body receiving groove (209) is arranged at the steam collecting opening (207) to collect water bodies.

8. A concentration and separation device for dairy production according to claim 2, characterized in that: The recycling structure (203) comprises a second fan (210) and a recycling pipe (211), the recycling pipe (211) is arranged between the hot air heating pipe (201) and the temporary air cavity (107), and the second fan (210) is used to transport the recycled steam into the temporary air cavity (107).

9. A concentrated separation device for dairy production according to claim 1, characterized in that: The heating disc (105) is arranged in a side communication manner with a heating power supply (115) and a sealing structure (116), the heating power supply (115) is arranged outside the box (101), and the sealing structure (116) is arranged between the heating power supply (115) and the heating disc (105).

10. A concentrated separation device for dairy production according to claim 9, characterized in that: The box (101) is arranged with a temperature sensor (117) and a connected controller (118), the temperature sensor (117) is used to monitor the temperature of the dairy product in the box (101), and the controller (118) can control the heating power supply (115).