Continuous liquid phase wave crest heat exchange device

Abstract

The utility model provides a continuous type liquid phase wave crest heat exchange device which comprises a heating groove and a conveying assembly, a liquid phase heat-conducting medium is contained in the heating groove, and the heating groove is provided with a feeding end and a discharging end which are opposite to each other. The conveying assembly is used for driving a to-be-treated sample to move from the feeding end to the discharging end above the liquid level in the heating tank; a spraying assembly is arranged in the heating tank, a spraying opening of the spraying assembly faces the top of the heating tank and is used for spraying a liquid-phase heat-conducting medium to the surface of a to-be-treated sample, and a scraping part is further arranged at the top of the heating tank and is close to the discharging end. According to the utility model, rapid contact heat conduction between the liquid-phase heat-conducting medium and the sample to be treated is realized, and the problem that the sample is heated unevenly is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to solar cell preparation technical field relates to battery film forming equipment, especially to a continuous liquid phase wave crest heat exchange device. BACKGROUND

[0002] In recent years, perovskite solar cells gradually develop into a kind of new solar cell with high efficiency, low cost, and the film forming quality of perovskite film becomes one of the most important parameters for producing perovskite with excellent photoelectric performance.A large number of studies have proved that perovskite crystal surface lacks bondable atoms, there are a large number of interface defects, and there are a large number of carrier recombination defects between the interface of subsequent deposition carrier extraction layer, which is not conducive to the efficiency improvement of perovskite solar cells.

[0003] At present, perovskite thin film is basically heat treated in gas phase medium, but the initial stage of perovskite crystallization process is quite harsh, perovskite film often needs to be heated to 130-180 DEG C very fast, and subsequent annealing constant temperature requirement is low.But the gas phase medium heat conduction is slow and uneven, which is not conducive to large-scale commercial production.The annealing of gas phase medium restricts the commercial production process of perovskite solar cells to some extent.In addition, if perovskite samples are heated on the whole liquid phase surface, a large amount of liquid heat conduction medium is needed, and such liquid that can heat perovskite without damaging or dissolving perovskite is often non-polar organic liquid, such as flammable and explosive substances such as alkane and alkene, which leads to high risk of liquid heating process and is not conducive to large-scale industrial production.

[0004] Therefore, it is necessary to provide a heating method and device for improving the rapid crystallization of perovskite thin film, reducing the cost and risk of industrial application. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a continuous liquid phase wave crest heat exchange device, which realizes the rapid contact and heat conduction of liquid heat conduction medium and the sample to be treated, can give the sample the rapid crystallization of rapid heating demand, and effectively solves the problem of uneven heating of the sample.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a continuous liquid phase wave crest heat exchange device, the continuous liquid phase wave crest heat exchange device includes heating groove and conveying assembly, the heating groove contains liquid phase heat transfer medium, the heating groove has opposite feed end and discharge end, the conveying assembly is used for driving the sample to be handled above the liquid level in the heating groove and moves from the feed end to the discharge end direction, the inside of heating groove is provided with spray assembly, the spray assembly's injection port faces the top of heating groove, is used for spraying liquid phase heat transfer medium to the sample surface to be handled, the top of heating groove still is provided with scraping piece, the scraping piece is close to the discharge end setting.

[0008] The utility model discloses the liquid phase heat transfer medium of heating groove is given from below to upwards by spray assembly, forms the form of wave crest relative to horizontal liquid level, makes the sample to be handled and medium wave crest contact and carries out the quick heat exchange, realizes the purpose of sample rapid heating or precrystallization, is favorable for improving the preparation film quality, after heat exchange, the liquid phase heat transfer medium falls into the heating groove and is recycled and is recycled, greatly reduces the use amount of liquid phase medium.

[0009] The utility model discloses the suitable scope is wide, can be used in any need quick heating substrate or film product's process, especially suitable for perovskite film's precrystallization process.

[0010] Need to explain, the liquid level in the heating groove in the utility model discloses is the horizontal liquid level of liquid phase heat transfer medium in the heating groove.

[0011] As an preferred technical scheme of the utility model, the spray assembly includes linear nozzle arranged from the feed end to the discharge end, or a plurality of point-like nozzles equidistantly arranged from the feed end to the discharge end.

[0012] The utility model discloses linear nozzle or a plurality of side-by-side arranged point-like nozzles, so that the liquid phase heat transfer medium output can contact the sample to be handled more evenly, avoiding the problem that the edge and the middle of the sample are heated inconsistently.

[0013] As an preferred technical scheme of the utility model, the spray assembly includes a spray body, the spray body has a first end portion and a second end portion arranged in sequence from top to bottom, the maximum linear length of the spray body in the width direction of the heating groove increases from the first end portion to the second end portion, the maximum linear length of the first end portion and the second end portion in the length direction of the heating groove is equal, the linear nozzle or the point-like nozzle is arranged at the first end portion, the second end portion is provided with a liquid phase power portion, and the liquid phase power portion is connected to the heating groove.

[0014] It should be noted that the length direction of the heating tank refers to the extension direction from the feeding end to the discharging end of the heating tank, and the width direction of the heating tank refers to the direction perpendicular to the extension direction from the feeding end to the discharging end of the heating tank.

[0015] As a preferred technical scheme of the utility model, the maximum linear length of the second end of the spraying main body in the width direction of the heating tank is recorded as a first width, the first width is 45% to 95% of the width of the heating tank, for example, can be 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90% or 95%, but is not limited to the listed values, and other values not listed in the value range are also applicable.

[0016] The maximum linear length of the linear nozzle or the point nozzle in the width direction of the heating tank is recorded as a second width, and the second width is 1 to 30% of the first width, for example, can be 1%, 2%, 5%, 10%, 12%, 15%, 18%, 20%, 23%, 25%, 28% or 30%, but is not limited to the listed values, and other values not listed in the value range are also applicable.

[0017] The maximum linear length of the second end of the spraying main body in the length direction of the heating tank is 50% to 90% of the length of the heating tank, for example, can be 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85% or 90%, but is not limited to the listed values, and other values not listed in the value range are also applicable.

[0018] As a preferred technical scheme of the utility model, the distance between the injection port of the linear nozzle or the point nozzle and the sample to be processed driven by the conveying assembly is 1 to 15 mm, for example, can be 1 mm, 2 mm, 5 mm, 6 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm or 15 mm, but is not limited to the listed values, and other values not listed in the value range are also applicable.

[0019] As a preferred technical scheme of the utility model, the difference between the height of the spraying main body and the height of the heating tank is 1 to 30 mm, for example, can be 1 mm, 5 mm, 10 mm, 15 mm, 18 mm, 20 mm, 22 mm, 25 mm, 28 mm or 30 mm, but is not limited to the listed values, and other values not listed in the value range are also applicable.

[0020] As a preferred technical scheme of the utility model, the second end of the spraying main body is provided with a liquid feeding port, and the liquid phase power part comprises a liquid feeding pump connected to the liquid feeding port.

[0021] The liquid feeding pump provides driving force for the liquid phase heat conduction medium, makes it rush upward, and through adjusting the power of the liquid feeding pump, the size of the heat exchange area is controlled, and the heat conduction uniformity is improved.

[0022] As an optimal technical scheme of the present application, the bottom surface of the heating groove is further provided with a liquid taking port.

[0023] As an optimal technical scheme of the present application, the conveying assembly comprises a conveying belt or a conveying roller.

[0024] As an optimal technical scheme of the present application, the continuous liquid phase wave crest heat exchange device further comprises a temperature control assembly connected with the heating groove.

[0025] The temperature control assembly is used for adjusting the temperature of the liquid phase heat conduction medium in the heating groove, and the temperature is controlled in a required range, so that the efficient heat conduction of the liquid phase heat conduction medium and the sample is ensured.

[0026] Compared with the prior art, the present application has the following beneficial effects:

[0027] The continuous liquid phase wave crest heat exchange device provided by the present application has the advantages of simple structure, convenient operation, fast heat conduction with less liquid phase heat conduction medium, sample heating purpose, rapid temperature rising demand for sample rapid crystallization, and full solution to the problem of uneven heating in the heating process of a wide sample. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The structure diagram of the continuous liquid phase wave crest heat exchange device provided by the present application embodiment 1 is shown.

[0029] Figure 2 The side view of the continuous liquid phase wave crest heat exchange device provided by the present application embodiment 1 is shown.

[0030] Figure 3 The structure diagram of the spraying assembly provided by the present application embodiment 1 is shown.

[0031] Figure 4 The structure diagram of the spraying assembly provided by the present application embodiment 1 is shown.

[0032] Figure 5 The characterization diagram of the perovskite thin film luminescence detection in the application example 1 of the present application is shown.

[0033] Figure 6 The characterization diagram of the perovskite thin film luminescence detection in the comparative application example 1 of the present application is shown.

[0034] 1-heating tank; 101-inlet end; 102-outlet end; 103-dimethyl silicone oil; 104-liquid outlet; 2-spraying main body; 201-first end; 202-second end; 203-linear nozzle; 204-liquid inlet; 205-heat exchange area; 3-sample to be treated; 4-scraping blade. DETAILED DESCRIPTION

[0035] It should be understood that, in the description of the present application, the terms "center", "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0036] It should be noted that, in the description of the present application, unless otherwise specified and limited, the terms "provided", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0037] The technical solutions of the present application will be further illustrated below in conjunction with the drawings and through specific embodiments.

[0038] In one embodiment, the utility model provides a kind of continuous liquid phase wave crest heat exchange device, including heating tank and conveying component.The heating tank contents liquid phase heat conducting medium.The heating tank has opposite feed end and discharge end, and the conveying component is used to drive the liquid level above the sample to be handled in the heating tank by feed end to discharge end direction movement.The inside of the heating tank is provided with spray assembly, and the spray assembly is sprayed to the top of the heating tank, for spraying liquid phase heat conducting medium to the surface of sample to be handled, and the liquid phase heat conducting medium forms sinusoidal wave crest heat exchange zone on the surface of sample to be handled, so that it is contacted with sample to be handled and exchanges heat.The top of the heating tank is also provided with scraping member, and the scraping member is arranged close to the discharge end, for scraping residual liquid phase adhered on the surface of sample and falling back to heating tank for recycling.

[0039] The utility model adopts liquid phase heat conducting medium to conduct heat, compared with air heat conduction (heat capacity is about 1.0 KJ / (kg·K), thermal conductivity coefficient is about 0.025 W / (m·K)), liquid phase heat conducting medium has higher heat capacity under normal temperature and normal pressure, and its thermal conductivity coefficient is many times of air thermal conductivity coefficient, can quickly conduct heat and then heat the sample to be handled, realizes the purpose of rapid temperature rise precrystallization, and has important significance to sample crystallization quality.The liquid phase heat conducting medium can select harmless nonpolar solvent or solution commonly used by those skilled in the art, including but not limited to water, silicone oil, paraffin, heptane, nonane or other long-chain alkane, cycloalkane and the like.Exemplarily, when precrystallizing perovskite film, heptane harmless to perovskite is preferably selected as liquid phase heat conducting medium, and its heat capacity is 2.2 KJ / (kg·K) under normal temperature and normal pressure, and thermal conductivity coefficient is 0.12225 W / (m·K), which is conducive to continuous industrial production operation by controlling heat conduction between liquid phase heat conducting medium and moving sample.

[0040] The bottom surface of the heating tank is also provided with liquid outlet for extracting or replacing liquid phase heat conducting medium in the heating tank.The structure and size of the heating tank are not specifically limited in the utility model, and those skilled in the art can adjust the structure of the heating tank according to actual process requirements and the size of the sample to be handled to ensure that the surface of the sample to be handled can fully contact the liquid phase heat conducting medium.The heating tank also necessarily includes necessary pipelines, conventional valves and general pump equipment for realizing process integrity, but the above content does not belong to the main improvement points of the utility model, and those skilled in the art can add layout by themselves based on process flow and equipment structure selection, and the utility model does not make special requirements and specific limitations.

[0041] The scraping member can adopt scraper or scraping blade commonly used by those skilled in the art.

[0042] In some embodiments, the continuous liquid-phase wave crest heat exchange device further comprises a temperature control assembly connected to the heating tank for adjusting the temperature of the liquid-phase heat conducting medium to ensure that the temperature is within the range of 140-180 DEG C. The structure of the temperature control assembly is not specifically limited in the utility model, and it necessarily includes necessary pipelines, conventional valves, temperature detection equipment, heating equipment and general controllers for realizing the process integrity. However, the above content is not the main improvement point of the utility model, and the person skilled in the art can add the layout by himself / herself based on the process flow and equipment structure selection, and the utility model does not have special requirements and specific limitations thereon.

[0043] In some embodiments, the conveying assembly comprises a conveying belt or a conveying roller, and the moving sample to be treated is fully contacted with the liquid-phase heat conducting medium for heat exchange by controlling the conveying speed of the conveying belt or the conveying roller. The person skilled in the art can select conveying belts or conveying rollers with different sizes according to the shape and size of the sample to be treated.

[0044] In some embodiments, the spraying assembly comprises a linear nozzle arranged in the direction from the feeding end to the discharging end or a plurality of point-shaped nozzles equidistantly arranged in the direction from the feeding end to the discharging end. The linear nozzle or the plurality of point-shaped nozzles in the utility model are arranged in the length direction of the heating tank, and the nozzles face the sample to be treated, so that the sprayed liquid-phase heat conducting medium surges upward, reaches a certain stroke height due to inertia, contacts the sample surface and then falls down to form a wave crest flow state. Compared with the heating by a hot plate or a stove, the heating uniformity of the sample edge and the middle part is greatly improved.

[0045] Specifically, the spraying assembly comprises a spraying main body, the spraying main body has a first end portion and a second end portion arranged in sequence from top to bottom, the linear nozzle or the point-shaped nozzle is arranged at the first end portion, and the second end portion is provided with a liquid-phase power portion in communication with the heating tank. Specifically, the second end portion of the spraying main body is provided with a liquid feeding port, the liquid-phase power portion comprises a liquid feeding pump connected to the liquid feeding port to extract the liquid-phase heat conducting medium in the heating tank into the spraying assembly and sprayed out by the nozzle.

[0046] Further, the maximum linear length of the spraying main body in the width direction of the heating tank increases from the first end portion to the second end portion, and the maximum linear length of the first end portion and the second end portion in the length direction of the heating tank is equal. Specifically, the vertical cross section of the spraying main body is trapezoidal or triangular.

[0047] Further, the maximum linear length of the second end of the spray body in the heating tank width direction is recorded as a first width, which is 45% to 95% of the width of the heating tank. The maximum linear length of the linear nozzle or the point nozzle in the heating tank width direction is recorded as a second width, which is 1 to 30% of the first width. The maximum linear length of the second end of the spray body in the heating tank length direction is 50% to 90% of the length of the heating tank. The distance between the spray port of the linear nozzle or the point nozzle and the sample to be treated driven by the conveying assembly is 1 to 15 mm. The difference between the height of the spray body and the height of the heating tank is 1 to 30 mm.

[0048] Example 1

[0049] The embodiment provides a continuous liquid phase wave peak heat exchange device, which comprises a rectangular heating tank 1 and a conveying assembly. As shown in Figure 1 and Figure 2 The length of the heating tank 1 is 500 mm, the width is 100 mm, and the height is 100 mm. The heating tank 1 contains 150℃ dimethyl silicone oil 103 as a liquid phase heat conduction medium, which has a constant pressure heat capacity of about 1.5 kJ / (kg·K) and a thermal conductivity of 0.025 W / (m·K). The heating tank 1 has opposite inlet end 101 and outlet end 102 in the length direction. The conveying assembly comprises a conveying belt for driving the sample to be treated 3 to move above the liquid surface of the heating tank 1 from the inlet end 101 to the outlet end 102. The bottom surface of the heating tank 1 is also provided with a liquid outlet 104. As shown in Figure 3 and Figure 4As shown, the inside of the heating tank 1 is provided with a spraying assembly, which includes a spraying body 2 with a triangular vertical cross section and a height of 80 mm. The spraying body 2 has a first end portion 201 and a second end portion 202 arranged in sequence from top to bottom, and the maximum linear length of the spraying body 2 in the width direction of the heating tank 1 increases from the first end portion 201 to the second end portion 202. The first end portion 201 is provided with a linear nozzle 203 extending from the feeding end 101 to the discharging end 102, and the spraying port is directed to the top of the heating tank 1. The second end portion 202 is provided with a liquid phase power unit, which is connected to the heating tank 1. The second end portion 202 is provided with a liquid delivery port 204, and the liquid phase power unit includes a liquid delivery pump connected to the liquid delivery port 204 to extract the liquid phase heat conducting medium in the heating tank 1 and spray it out of the linear nozzle 203, so that the liquid phase heat conducting medium contacts the sample 3 to be treated and forms a sinusoidal wave peak-shaped heat exchange area 205 on the surface of the sample 3 to be treated. The length of the second end portion 202 is 300 mm, the first width of the second end portion 202 is 50 mm, the length of the linear nozzle 203 is 300 mm, and the second width of the linear nozzle 203 is 10 mm. The distance between the spraying port of the linear nozzle 203 and the sample 3 to be treated driven by the conveying belt is 10 mm. The top of the heating tank 1 is also provided with a scraping blade 4 arranged near the discharging end 102 for removing the residual liquid attached to the surface of the sample 3 to be treated. The heating tank 1 is also connected to a temperature control assembly for adjusting the temperature of the liquid phase heat conducting medium.

[0050] Example 2

[0051] The embodiment provides a continuous liquid-phase wave peak heat exchange device, which comprises a rectangular heating tank 1 and a conveying assembly. The length of the heating tank 1 is 500 mm, the width is 100 mm, and the height is 90 mm. The heating tank 1 contains heptane at 170 DEG C, and the constant-pressure heat capacity of the heptane is about 2.2 kJ / (kg*K), and the thermal conductivity is 0.12225 W / (m*K). The heating tank 1 has opposite feeding ends 101 and discharging ends 102 in the length direction. The conveying assembly comprises a conveying belt, which is used for driving a sample 3 to be treated to move above the liquid surface of the heating tank 1 from the feeding end 101 to the discharging end 102. The bottom surface of the heating tank 1 is also provided with a liquid taking port 104. The inside of the heating tank 1 is provided with a spraying assembly, and the spraying assembly comprises a spraying main body 2 in the shape of a trapezoidal vertical section and with a height of 75 mm. The spraying main body 2 has a first end portion 201 and a second end portion 202 arranged in sequence from top to bottom, and the maximum linear length of the spraying main body 2 in the width direction of the heating tank 1 increases from the first end portion 201 to the second end portion 202. The first end portion 201 is provided with a plurality of point-shaped nozzles arranged at equal intervals from the feeding end 101 to the discharging end 102, and the spraying port is directed to the top of the heating tank 1. The second end portion 202 is provided with a liquid-phase power unit, and the liquid-phase power unit is connected with the heating tank 1. The second end portion 202 is provided with a liquid feeding port 204, and the liquid-phase power unit comprises a liquid feeding pump connected with the liquid feeding port 204, so as to extract the liquid-phase heat conduction medium in the heating tank 1 and spray the liquid-phase heat conduction medium out of the point-shaped nozzles, so that the liquid-phase heat conduction medium contacts the sample 3 to be treated and forms a sine wave peak-shaped heat exchange area 205 on the surface of the sample 3 to be treated. The length of the second end portion 202 is 320 mm, the first width of the second end portion 202 is 60 mm, the total length of the plurality of point-shaped nozzles is 320 mm, and the second width of the point-shaped nozzles is 15 mm. The distance between the spraying port of the point-shaped nozzles and the sample 3 to be treated driven by the conveying belt is 12 mm. The top of the heating tank 1 is also provided with a scraper, which is arranged close to the discharging end 102 and is used for removing residual liquid attached to the surface of the sample 3 to be treated. The heating tank 1 is also connected with a temperature control assembly, which is used for adjusting the temperature of the liquid-phase heat conduction medium.

[0052] Application example 1

[0053] The application example adopts the continuous liquid phase wave peak heat exchange device provided in the embodiment 1 to perform crystallization treatment on the perovskite film, and specifically includes the following steps: first, a hole transport layer is formed on the surface of the conductive glass with a length of 300 mm and a width of 400 mm. Then, a thin film of perovskite solution is formed on the surface of the hole transport layer by the doctor blade + air knife process, and a to-be-crystallized substrate is obtained. Subsequently, the to-be-crystallized substrate is placed on the conveying belt, and the to-be-crystallized substrate is driven to move in the direction from the feeding end 101 to the discharging end 102 above the liquid surface of the dimethyl silicone oil 103 in the heating tank 1, and the distance between the to-be-crystallized substrate and the spraying port of the linear nozzle 203 is 10 mm. The linear nozzle 203 gives the high-temperature dimethyl silicone oil 103 an upward micro-motion force, so that the dimethyl silicone oil 103 contacts the to-be-crystallized substrate to form a good heat conduction interface, the to-be-crystallized substrate is rapidly heated, and meanwhile, the speed of the conveying belt can be controlled to ensure that the contact time of the dimethyl silicone oil 103 and the substrate is 20 s, so that the perovskite is uniformly crystallized. Finally, the crystallized substrate is conveyed into the oven, and is kept at a temperature of 130℃ for 20 min, so that the perovskite crystal is fully grown.

[0054] Comparative application example 1

[0055] The comparative application example adopts a heating plate to perform crystallization treatment on the perovskite film, and specifically includes the following steps: first, a hole transport layer is formed on the surface of the conductive glass with a length of 300 mm and a width of 400 mm. Then, a thin film of perovskite solution is formed on the surface of the hole transport layer by the doctor blade + air knife process, and a to-be-crystallized substrate is obtained. Subsequently, the to-be-crystallized substrate is placed on the heating plate, and the temperature is controlled to be 140℃, so that the perovskite film is crystallized. Finally, the substrate is conveyed into the oven, and is kept at a temperature of 130℃ for 20 min, so that the perovskite crystal is fully grown.

[0056] The perovskite films formed by the application example 1 and the comparative application example 1 are respectively subjected to light emission detection to represent the uniformity of perovskite crystallization, and the results are shown in Figure 5 and Figure 6 It can be seen that the consistency of the perovskite crystallization (as shown in Figure 5 ) in the application example 1 is better than that of the perovskite crystallization (as shown in Figure 6 ) in the comparative application example 1, which is mainly due to the fact that the application example 1 adopts the liquid phase heat exchange mode for heating, thereby improving the heating uniformity of the edge and the middle part of the perovskite film, and further improving the consistency of the crystallization.

[0057] The applicant declares that the above description is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. It should be understood by those skilled in the art that any changes or replacements within the technical range disclosed by the utility model can be easily thought of by any person skilled in the art, and all fall within the protection scope and disclosure range of the utility model.

Claims

1. A continuous liquid-phase peak heat exchange device, characterized in that, The continuous liquid-phase wave peak heat exchange device includes a heating tank and a conveying assembly. The heating tank contains a liquid-phase heat-conducting medium and has opposite inlet and outlet ends. The conveying assembly is used to move the sample to be processed above the liquid surface in the heating tank from the inlet end to the outlet end. The heating tank is equipped with a spray assembly inside, with the spray nozzles of the spray assembly facing the top of the heating tank, for spraying liquid heat-conducting medium onto the surface of the sample to be treated. The top of the heating tank is also equipped with a scraper, which is located near the discharge end.

2. The continuous liquid-phase peak heat exchange device according to claim 1, characterized in that, The spraying assembly includes a linear nozzle extending from the feed end to the discharge end, or a plurality of dot-shaped nozzles equidistantly spaced from the feed end to the discharge end.

3. The continuous liquid-phase peak heat exchange device according to claim 2, characterized in that, The spray assembly includes a spray body, which has a first end and a second end arranged sequentially from top to bottom. The maximum linear length of the spray body in the width direction of the heating tank increases from the first end to the second end, and the maximum linear lengths of the first end and the second end in the length direction of the heating tank are equal. The linear nozzle or the dot-shaped nozzle is disposed at the first end, and the second end is provided with a liquid phase dynamic unit, which is connected to the heating tank.

4. The continuous liquid-phase peak heat exchange device according to claim 3, characterized in that, The maximum linear length of the second end of the spray body in the width direction of the heating tank is denoted as the first width, which is 45% to 95% of the width of the heating tank. The maximum linear length of the linear nozzle or the dot nozzle in the width direction of the heating tank is denoted as the second width, and the second width is 1 to 30% of the first width; The maximum linear length of the second end of the spray body in the length direction of the heating tank is 50% to 90% of the length of the heating tank.

5. The continuous liquid-phase peak heat exchange device according to claim 3, characterized in that, The distance between the nozzle of the linear nozzle or the point nozzle and the sample to be processed carried by the conveying assembly is 1 to 15 mm.

6. The continuous liquid-phase peak heat exchange device according to claim 3, characterized in that, The height difference between the spray body and the heating tank is 1 to 30 mm.

7. The continuous liquid-phase peak heat exchange device according to claim 3, characterized in that, The second end of the spray body is provided with a liquid delivery port, and the liquid phase power unit includes a liquid delivery pump, which is connected to the liquid delivery port.

8. The continuous liquid-phase peak heat exchange device according to claim 1, characterized in that, The bottom surface of the heating tank is also provided with a liquid intake port.

9. The continuous liquid-phase peak heat exchange device according to claim 1, characterized in that, The conveying assembly includes a conveyor belt or conveyor rollers.

10. The continuous liquid-phase peak heat exchange device according to claim 1, characterized in that, The continuous liquid-phase wave peak heat exchange device also includes a temperature control component, which is connected to the heating tank.

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