Condensing device for vacuum paste mixing machine and vacuum paste mixing system

Abstract

The utility model discloses a condensing device for a vacuum paste mixing machine and a vacuum paste mixing system, the condensing device for the vacuum paste mixing machine comprises an air inlet assembly, a buffer assembly, a first condensing assembly and a second condensing assembly which are connected in sequence, and the air inlet assembly is used for introducing a medium to be condensed into the buffer assembly; the buffer assembly is provided with a hollow buffer cavity, and is used for dispersing and introducing a to-be-condensed medium introduced by the air inlet assembly into the first condensation assembly and collecting a backflow condensation medium at the same time; the first condensation assembly comprises a plurality of condensation pipes, each condensation pipe communicates with the buffer cavity of the buffer assembly and is used for conducting first condensation on the introduced to-be-condensed medium and enabling the to-be-condensed medium to flow back into the buffer cavity, and meanwhile the uncondensed to-be-condensed medium is introduced into the second condensation assembly; the second condensation assembly is provided with a hollow cooling cavity, and the cooling cavity communicates with the condensation pipe and is used for conducting secondary condensation on the introduced medium to be condensed and enabling the condensation medium to flow back into the condensation pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of lead-acid batteries, in particular to a condensation device for a vacuum paste mixer and a vacuum paste mixing system. Background Art

[0002] In the manufacturing process of valve-regulated lead-acid batteries, a vacuum paste mixer is used for the preparation of lead paste. An important component is a condenser, which is used for temperature control and evaporation water recovery during the lead paste preparation process. The lead paste is composed of lead powder, pure water, dilute sulfuric acid, and various additives mixed in a certain proportion. The uniformity and usability of the lead paste are greatly affected by factors such as paste mixing equipment, temperature, reaction time, and water content of the lead paste. The process of making lead paste is a key and special process in the manufacture of battery plates and needs to be strictly controlled. The working process of the existing vacuum paste mixer is to sequentially put materials such as lead powder, pure water, dilute sulfuric acid, and additives into the reaction tank of the paste mixer for stirring and mixing. The subsequent reaction after mixing is an exothermic reaction, and later it needs to be cooled down and the temperature needs to be strictly controlled. A certain negative pressure (vacuum pumping) is given to the reaction tank to allow water to evaporate quickly under a low-pressure state. The evaporation of water can take away heat. After the water vapor undergoes heat exchange with the condenser in the paste mixer, it becomes condensed water and then flows back into the reaction tank of the vacuum paste mixer. The vacuum paste mixer controls the reaction temperature in this way. However, the condensation equipment used in the existing vacuum paste mixer often has low condensation efficiency and poor condensation effect, which affects the quality of the lead paste. Summary of the Utility Model

[0003] The technical problem to be solved by the embodiments of the present utility model is to provide a condensation device for a vacuum paste mixer, which can effectively condense the lead paste preparation process and has a good condensation effect.

[0004] To solve the above technical problem, the present utility model provides a condensation device for a vacuum paste mixer. The condensation device for the vacuum paste mixer includes an intake component, a buffer component, a first condensation component, and a second condensation component connected in sequence. The intake component is used to introduce the medium to be condensed into the buffer component. The buffer component has a hollow buffer chamber, which is used to disperse the medium to be condensed introduced by the intake component into the first condensation component. At the same time, it is used to collect the refluxed condensed medium. The first condensation component includes a plurality of condensation tubes, and each condensation tube communicates with the buffer chamber of the buffer component. It is used to perform the first condensation on the introduced medium to be condensed and reflux it into the buffer chamber. At the same time, the uncondensed medium to be condensed is introduced into the second condensation component. The second condensation component has a hollow cooling chamber, and the cooling chamber communicates with the condensation tubes. It is used to perform the second condensation on the introduced medium to be condensed and reflux the condensed medium into the condensation tubes.

[0005] In a feasible implementation, the intake assembly includes an intake pipe and a filter element; the first end of the intake pipe communicates with the outlet end of the vacuum paste mixer, the second end of the intake pipe extends into the buffer cavity of the buffer assembly, and the filter element is disposed inside the intake pipe to prevent particulate media in the to-be-condensed medium output by the vacuum paste mixer from entering the buffer cavity.

[0006] In a feasible implementation, a shunt cover is provided at the second end of the intake pipe, and the shunt cover is used to shunt the to-be-condensed medium.

[0007] In a feasible implementation, the shunt cover completely covers the second end of the intake pipe, and there is a gap between the shunt cover and the second end of the intake pipe, and the to-be-condensed medium enters the buffer cavity through the gap.

[0008] In a feasible implementation, the buffer assembly includes a buffer housing, a buffer lower cover is fixed below the buffer housing, a buffer cavity is formed between the buffer housing, the buffer lower cover and the first condensation assembly, and the buffer lower cover is provided with a first through hole and a second through hole; the second end of the intake pipe passes through the first through hole and is disposed in the buffer cavity; the first end of the return pipe passes through the second through hole and is disposed in the buffer cavity, the second end of the return pipe communicates with the vacuum paste mixer, and the first end of the return pipe protrudes slightly from the plane where the upper surface of the buffer lower cover is located.

[0009] In a feasible implementation, the buffer assembly is provided with at least two maintenance openings, each maintenance opening penetrates the buffer housing and is disposed on the outer wall of the buffer housing, and the heights of each maintenance opening in the vertical direction are different.

[0010] In a feasible implementation, a constant pressure pipe and a drainage pipe are provided on the side wall of the return pipe; the constant pressure pipe is disposed above the drainage pipe, one end of the constant pressure pipe communicates with the return pipe, and the other end communicates with the buffer cavity; electromagnetic valves are provided at the ends of the drainage pipe and the return pipe to control the opening and closing of the drainage pipe and the return pipe.

[0011] In a feasible implementation, the first condensation assembly further includes a first condensation outer pipe, a first condensation upper cover and a first condensation lower cover; the first condensation outer pipe is sleeved outside several condensation pipes, the first condensation outer pipe has a first water inlet and a first water outlet, the first condensation upper cover and the first condensation lower cover are provided with corresponding mounting holes, and the condensation pipes are fixed inside the first condensation outer pipe through the mounting holes.

[0012] In a feasible implementation manner, the second condensation component includes a second condensation inner tube, a second condensation outer tube, and a second condensation upper cover. The second condensation outer tube is sleeved outside the second condensation inner tube. The second condensation outer tube is provided with a second water inlet and a second water outlet. The second water inlet is communicated with the first water outlet. A cooling cavity is formed among the first condensation upper cover, the second condensation inner tube, and the second condensation upper cover.

[0013] Correspondingly, the present utility model further provides a vacuum paste mixing system, including the condensation device for a vacuum paste mixer as described in any one of the above and a vacuum paste mixer.

[0014] Implementing the present utility model has the following beneficial effects:

[0015] The condensation device for a vacuum paste mixer provided by the embodiment of the present application cools the to-be-condensed medium introduced twice through the first condensation component and the second condensation component, effectively improving the condensation effect. Among them, the first condensation component condenses the to-be-condensed medium dispersedly through a plurality of condensation tubes. The second condensation component communicates a plurality of condensation tubes through a cooling cavity. The unliquefied water vapor is cooled for the second time and liquefies and flows back, improving the condensation effect. Furthermore, the tube length of the condensation device can be shortened, and the volume of the condensation device can be reduced. In addition, the buffer component can buffer the reflux liquid and also play a moving cooling role, further improving the condensation effect.

[0016] The vacuum paste mixing system provided by the embodiment of the present application effectively condenses the to-be-condensed medium in the lead paste preparation process by using the aforementioned condensation device for a vacuum paste mixer, and is also small in volume, reducing the production cost.

[0017] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings herein are incorporated into the specification and constitute a part of this specification, showing embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application, and do not constitute an improper limitation to the present application.

[0019] Figure 1 is an exemplary three-dimensional structural schematic diagram of the condensation device for a vacuum paste mixer shown in the embodiment of the present application;

[0020] Figure 2 is an exemplary cross-sectional view of the condensation device for a vacuum paste mixer shown in the embodiment of the present application.

[0021] Reference numerals in the drawings:

[0022] 100 - Condensation device for a vacuum paste mixer;

[0023] 110 - Intake assembly; 111 - Intake pipe, 112 - Filter element, 113 - Diverting cover, 114 - Buffer chamber,

[0024] 120 - Buffer assembly; 121 - Buffer housing, 122 - Buffer lower cover, 123 - Return pipe, 124 - Maintenance opening, 125 - Constant pressure pipe, 126 - Drainage pipe,

[0025] 130 - First condensation assembly; 131 - First condensation outer pipe, 1311 - First water inlet, 1312 - First water outlet, 132 - First condensation upper cover, 133 - First condensation lower cover, 134 - Condensation pipe, 135 - First flange, 136 - Transfer pipe;

[0026] 140 - Second condensation assembly; 141 - Second condensation inner pipe, 142 - Second condensation outer pipe, 1421 - Second water inlet, 1422 - Second water outlet, 143 - Second condensation upper cover, 1431 - Vacuum interface, 144 - Second flange, 145 - Cooling chamber. Detailed implementation mode

[0027] To make the above - mentioned objects, features and advantages of the present utility model more obvious and understandable, the following will describe the detailed implementation mode of the present utility model with reference to the attached drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0028] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the attached drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0029] In the description of the present utility model, the meaning of several is more than one, and the meaning of multiple is more than two. Understand greater than, less than, exceeding, etc. as not including the number itself, and understand above, below, within, etc. as including the number itself. If there is a description of first and second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0030] In the description of the present utility model, unless otherwise clearly defined, terms such as "arrangement", "installation", "connection", etc. should be understood in a broad sense, and those skilled in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0031] In the description of the present utility model, the description with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0032] Please refer to Figures 1 to 2 In the embodiment of the present application, a condensation device 100 for a vacuum paste mixer is provided. It is used for temperature control and evaporation water recovery during the lead paste preparation process. The condensation device 100 for a vacuum paste mixer (hereinafter referred to as the condensation device) includes an intake assembly 110, a buffer assembly 120, a first condensation assembly 130, and a second condensation assembly 140 connected in sequence. Among them, the intake assembly 110 is used to introduce the medium to be condensed into the buffer assembly 120. The medium to be condensed here can be water vapor or a mixed vapor mixed with lead powder or other material dust in the lead paste preparation process, and the condensation device 100 for a vacuum paste mixer is used to cool and liquefy the water vapor or the gas evaporated in the mixed vapor, so that it flows back into the lead paste preparation equipment or is discharged. Among them, the lead paste preparation equipment can be a vacuum paste mixer. The buffer assembly 120 has a hollow buffer chamber 114. The buffer chamber 114 is used to disperse the medium to be condensed introduced by the intake assembly 110 into the first condensation assembly 130, and at the same time, is used to collect the condensed medium flowing back. The condensed medium here can be liquefied water vapor or the liquefied liquid of the gas generated during the lead paste preparation process. The first condensation assembly 130 includes a plurality of condensation tubes 134. Each condensation tube 134 communicates with the buffer chamber 114 of the buffer assembly 120. Each condensation tube 134 is used to perform the first condensation on the introduced medium to be condensed and flow back into the buffer chamber 114, and at the same time, introduce the uncondensed medium to be condensed into the second condensation assembly 140. The second condensation assembly 140 has a hollow cooling chamber 145. The cooling chamber 145 communicates with the condensation tubes 134 and is used to perform the second condensation on the introduced medium to be condensed and flow the condensed medium back into the condensation tubes 134.

[0033] The condensation device 100 for a vacuum paste mixing machine provided by an embodiment of the present application cools the incoming medium to be condensed twice through the first condensation component 130 and the second condensation component 140, effectively improving the condensation effect. Among them, the first condensation component 130 disperses the medium to be condensed through a plurality of condensation tubes 134 for condensation, and the second condensation component 140 communicates with a plurality of condensation tubes 134 through a cooling chamber 145. The unliquefied water vapor is cooled for the second time and liquefied and refluxed. In addition, the buffer component can buffer the reflux liquid and also play a role of mobile cooling, further improving the condensation effect.

[0034] In a feasible implementation manner, the air inlet component 110 includes an air inlet pipe 111 and a filter element 112. The first end of the air inlet pipe 111 communicates with the air outlet end of the vacuum paste mixing machine, and the second end of the air inlet pipe 111 extends into the buffer chamber 114 of the buffer component 120. The filter element 112 is arranged in the air inlet pipe 111 and is used to prevent particulate media in the medium to be condensed output by the vacuum paste mixing machine from entering the buffer chamber 114. During the lead paste preparation process, existing condensation equipment often easily deposits and adheres a mixture of lead powder and water, which is difficult to clean during equipment maintenance, thereby reducing the condensation effect. The filter element 112 can block a part of the lead powder and the dust generated during the blanking and dry mixing processes, avoiding the harm caused by most particulate matters entering the condensation device.

[0035] Further, the filter element 112 can be a filter screen. The filter screen is detachably arranged in the air inlet pipe 111. In this way, it is convenient to maintain and replace the filter element 112, improving the overall service life and condensation effect of the condensation device 100 for the vacuum paste mixing machine.

[0036] In a feasible implementation manner, a flow dividing cover 113 is provided at the second end of the air inlet pipe 111. The flow dividing cover 113 is used to divide the medium to be condensed. The flow dividing cover 113 can divide the medium to be condensed so that it evenly enters the buffer chamber 114 and the condensation tubes 134 of the first condensation component 130. At the same time, the flow dividing cover 113 can also play a role in stabilizing the air flow and blocking a part of the dust.

[0037] In a feasible implementation manner, the flow dividing cover 113 completely covers the second end of the air inlet pipe 111, and there is a gap between the flow dividing cover 113 and the second end of the air inlet pipe 111. The medium to be condensed enters the buffer chamber 114 from the gap. The flow dividing cover 113 is horizontally arranged, further playing a role in dispersing, stabilizing the air flow and blocking the dust.

[0038] In a feasible implementation manner, the flow dividing cover 113 can also have a conical surface structure on the upper side wall and a horizontal top. Among them, evenly distributed flow dividing holes are opened on the conical surface.

[0039] In a feasible implementation, the buffer assembly 120 includes a buffer housing 121. A buffer lower cover 122 is fixed below the buffer housing 121. A buffer chamber 114 is formed between the buffer housing 121, the buffer lower cover 122 and the first condensation assembly 130. The buffer lower cover 122 is provided with a first through hole and a second through hole. The second end of the intake pipe 111 passes through the first through hole and is disposed in the buffer chamber 114. The first end of the return pipe 123 passes through the second through hole and is disposed in the buffer chamber 114. The second end of the return pipe 123 communicates with the vacuum paste mixer, and the first end of the return pipe 123 protrudes slightly from the plane of the upper surface of the buffer lower cover 122. The buffer assembly 120 serves as a buffer section between the vacuum paste mixer and the condenser tube 134. On the one hand, it can play a certain buffering and condensing role for the medium to be condensed, and on the other hand, it can also be used as a cache for the condensed medium (condensed water) after condensation. The upper opening of the return pipe 123 is slightly higher than the bottom of the buffer chamber 114, which can effectively solve the problem of blocked return of condensed water.

[0040] In a feasible implementation, the buffer assembly 120 is provided with three inspection openings 124. Two of the inspection openings 124 are respectively disposed at the upper left, lower right and directly lower front of the buffer housing 121. Each of the inspection openings 124 penetrates the buffer housing 121 and is disposed on the outer wall of the buffer housing 121, and the height of each inspection opening 124 in the vertical direction is different. This can facilitate the cleaning of the middle and lower parts of the buffer chamber 114, and avoid the problems of blocked return of condensed water and lead-containing hard lumps falling into the prepared lead paste, which may affect the filling of the electrode plate.

[0041] In a feasible implementation, a constant pressure pipe 125 and a drainage pipe 126 are provided on the side wall of the return pipe 123. The constant pressure pipe 125 is disposed above the drainage pipe 126. One end of the constant pressure pipe 125 communicates with the return pipe 123, and the other end communicates with the buffer chamber 114. Solenoid valves are provided at the ends of the drainage pipe 126 and the return pipe 123 to control the opening and closing of the drainage pipe 126 and the return pipe 123. A constant pressure pipe 125 is provided on the side wall of the return pipe 123 and communicates with the inside of the buffer chamber 114, which can balance the pressure between the return pipe 123 and the buffer chamber 114 to ensure smooth return of condensed water; a horizontal drainage pipe 126 is provided at the lower part of the return pipe 123 and communicates with it, which is used for discharging condensed water (in order to avoid the external return of condensed water during the reaction stage and its inability to participate in the construction of the lead paste structure); solenoid valves are provided at the openings of the return pipe 123 and the drainage pipe 126, and this valve is used to control the extraction or return of the returned water to the paste mixer. The annular area between the inner wall of the buffer chamber 114 and the main air duct wall is a water storage structure for storing the returned condensed water.

[0042] In a feasible implementation, the first condensation assembly 130 further includes a first condensation outer tube 131, a first condensation upper cover 132, and a first condensation lower cover 133. The first condensation outer tube 131 is sleeved outside a plurality of the condensation tubes 134. The first condensation outer tube 131 has a first water inlet 1311 and a first water outlet 1312. The first condensation upper cover 132 and the first condensation lower cover 133 are provided with corresponding mounting holes. The condensation tubes 134 are fixed in the first condensation outer tube 131 through the mounting holes. A cooling water area is formed between the first condensation outer tube 131 and the condensation tubes 134, and water vapor can be liquefied and refluxed through heat exchange. The cooling effect can also be improved by arranging multiple groups of condensation tubes 134, thereby shortening the tube length of the condensation device and reducing the volume of the condensation device. The first water inlet 1311 is below the first water outlet 1312. The cooling water enters from the bottom and exits from the top. In this way, after the cooling water enters from the bottom, due to its lower temperature, it can better absorb the heat in the heat absorption area. As the cooling water rises, it will gradually warm up and finally be discharged from the top. This natural convection helps to enhance the heat transfer effect because hot water is lighter than cold water and is easy to rise, thus forming an effective cycle. The cooling water entering from the bottom can reduce the accumulation of bubbles in the system. Bubbles tend to accumulate at the high points of the system, affecting the cooling effect. By introducing the cooling water from the bottom, it can help push the air or other gases upward and be more easily discharged from the top of the system. Introducing water from the bottom can ensure a more uniform temperature throughout the system. Because the cooling water will gradually mix the liquid in the whole system, thus reducing the phenomenon of local overheating or overcooling. The design of entering from the bottom and exiting from the top can make the system layout simpler, facilitating installation and maintenance. At the same time, such a design also reduces the need for additional pumping devices and lowers the energy consumption. The water flow entering from the bottom can effectively help flush away sediments, reduce the deposition in the system, and keep the pipeline unobstructed.

[0043] In a feasible implementation, the second condensation assembly 140 includes a second condensation inner tube 141, a second condensation outer tube 142, and a second condensation upper cover 143. The outer tube of the second condensation tube 134 is sleeved outside the second condensation inner tube 141. The second condensation outer tube 142 is provided with a second water inlet 1421 and a second water outlet 1422. The second water inlet 1421 is communicated with the first water outlet 1312. A cooling cavity 145 is formed among the first condensation upper cover 132, the second condensation inner tube 141, and the second condensation upper cover 143. The second water inlet 1421 and the first water outlet 1312 are communicated through a transfer tube 136, and condensed water is introduced between the second condensation outer tube 142 and the second condensation inner tube 141 from the cooling water area of the first cooling assembly. The advantages of the cooling water flowing in from the bottom and flowing out from the top will not be elaborated here. The cooling cavity 145 of the tubeless and the condensation tube 134 of the first condensation assembly 130 are separated by the first condensation upper cover 132. The condensation tube 134 is communicated with the cooling cavity 145. The cooling cavity 145 of the second condensation assembly 140 is not provided with a condensation tube 134, and the uncompletely liquefied water vapor is liquefied and refluxed therein.

[0044] Further, a vacuum interface 1431 is provided at the top of the second condensation upper cover 143 for connecting to a vacuum pump. The second condensation upper cover 143 can be connected to the second condensation outer tube 142 through a second flange 144. Further, the buffer housing 121 can be connected to the first condensation outer tube 131 through a first flange 135. Flange connection can easily connect pipes or pipe fittings through bolts and nuts. This connection method makes the installation and disassembly very convenient. Especially in the occasions where frequent disassembly and maintenance are required, flange connection provides great convenience. Flange connection is usually equipped with a sealing gasket or a sealing surface, which can provide reliable sealing performance. In high-pressure or high-temperature environments, by selecting appropriate sealing materials (such as metal gaskets, graphite gaskets, etc.), it can be ensured that there is no leakage at the connection. The design of flange connection can withstand relatively high pressures and is suitable for high-pressure systems. Different types of flanges (such as slip-on flange, butt-weld flange, etc.) have different pressure-bearing capacities, and the appropriate flange type can be selected according to actual needs. Flange connection is applicable to almost all types of pipe materials, including but not limited to carbon steel, stainless steel, alloy steel, etc. This means that flange connection can find a suitable solution whether in a corrosive environment or in an ordinary environment. Since flange connection is fixed by bolts, it can be inspected and maintained without damaging the pipeline. This not only saves the maintenance cost but also improves the safety of the system. Flange connection can select different sizes and grades according to different working conditions and is applicable to different temperature and pressure ranges. In addition, flanges can also be combined with other connection methods (such as welding, threaded connection, etc.) to increase the flexibility of the system. Due to its durability and low maintenance cost, flange connection has relatively high cost-effectiveness.

[0045] Correspondingly, the present application further provides a vacuum paste mixing system for preparing lead paste. The vacuum paste mixing system includes any one of the above-mentioned condensation devices for a vacuum paste mixer and a vacuum paste mixer. The intake pipe of the condensation device for the vacuum paste mixer is connected to the vacuum paste mixer. The vacuum paste mixing system provided by the embodiments of the present application, by using the aforementioned condensation device for the vacuum paste mixer, has all the advantages of the aforementioned condensation device for the vacuum paste mixer, effectively condenses the medium to be condensed during the lead paste preparation process, is also small in size, and reduces production costs.

[0046] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0047] The above-described embodiments merely represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A condensation device for a vacuum paste mixer, characterized in that, The condensation device for the vacuum paste mixer includes an air inlet component, a buffer component, a first condensation component, and a second condensation component that are connected in sequence. The air inlet component is used to introduce the medium to be condensed into the buffer component. The buffer component has a hollow buffer chamber, which is used to disperse the medium to be condensed introduced by the air inlet component into the first condensation component. At the same time, it is used to collect the refluxed condensed medium. The first condensation component includes a number of condensation tubes. Each condensation tube communicates with the buffer chamber of the buffer component, and is used to perform the first condensation on the introduced medium to be condensed and reflux it into the buffer chamber. At the same time, the uncondensed medium to be condensed is introduced into the second condensation component. The second condensation component has a hollow cooling chamber, and the cooling chamber communicates with the condensation tubes, and is used to perform the second condensation on the introduced medium to be condensed and reflux the condensed medium into the condensation tubes.

2. The condensation device for a vacuum paste mixer according to claim 1, wherein The air inlet component includes an air inlet pipe and a filter element. The first end of the air inlet pipe communicates with the air outlet end of the vacuum paste mixer, and the second end of the air inlet pipe extends into the buffer chamber of the buffer component. The filter element is arranged in the air inlet pipe and is used to prevent the particulate medium in the medium to be condensed output by the vacuum paste mixer from entering the buffer chamber.

3. The condensation device for a vacuum paste mixer according to claim 2, characterized in that, A shunt cover is provided at the second end of the air inlet pipe, and the shunt cover is used to shunt the medium to be condensed.

4. The condensation device for a vacuum paste mixer according to claim 3, characterized in that, The shunt cover completely covers the second end of the air inlet pipe, and there is a gap between the shunt cover and the second end of the air inlet pipe, and the medium to be condensed enters the buffer chamber from the gap.

5. The condensation device for a vacuum paste mixer according to claim 2, characterized in that, The buffer component includes a buffer housing, and a buffer lower cover is fixed below the buffer housing. The buffer chamber is formed between the buffer housing, the buffer lower cover, and the first condensation component. The buffer lower cover is provided with a first through hole and a second through hole; the second end of the air inlet pipe passes through the first through hole and is arranged in the buffer chamber; the first end of the reflux pipe passes through the second through hole and is arranged in the buffer chamber, and the second end of the reflux pipe communicates with the vacuum paste mixer, and the first end of the reflux pipe protrudes slightly from the plane where the upper surface of the buffer lower cover is located.

6. The condensation device for a vacuum paste mixer according to claim 5, characterized in that, The buffer component is provided with at least two inspection openings, each inspection opening penetrates the buffer housing and is arranged on the outer wall of the buffer housing, and the heights of each inspection opening in the vertical direction are different.

7. The condensation device for a vacuum paste mixer according to claim 5, characterized in that, A constant pressure pipe and a drainage pipe are provided on the side wall of the reflux pipe; the constant pressure pipe is arranged above the drainage pipe, one end of the constant pressure pipe communicates with the reflux pipe, and the other end communicates with the buffer chamber; solenoid valves are provided at the ends of the drainage pipe and the reflux pipe to control the on-off of the drainage pipe and the reflux pipe.

8. The condensation device for a vacuum paste mixer according to claim 1, characterized in that, The first condensation component further includes a first condensation outer pipe, a first condensation upper cover, and a first condensation lower cover; the first condensation outer pipe is sleeved outside a number of the condensation tubes, and the first condensation outer pipe has a first water inlet and a first water outlet. The first condensation upper cover and the first condensation lower cover are provided with corresponding installation holes, and the condensation tubes are fixed in the first condensation outer pipe through the installation holes.

9. The condensation device for a vacuum paste mixer according to claim 8, characterized in that, The second condensation component includes a second condensation inner tube, a second condensation outer tube, and a second condensation upper cover. The second condensation outer tube is sleeved outside the second condensation inner tube. The second condensation outer tube is provided with a second water inlet and a second water outlet. The second water inlet is communicated with the first water outlet. A cooling cavity is formed between the first condensation upper cover, the second condensation inner tube, and the second condensation upper cover.

10. A vacuum paste mixing system, characterized in that, It includes a condensation device for a vacuum paste mixer and a vacuum paste mixer according to any one of claims 1-9.

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