Multi-section temperature control device for freeze dryer
The design of a multi-stage temperature control device solves the problems of low temperature control accuracy and high energy consumption of the freeze dryer, realizes an efficient and low-energy freeze-drying process, and ensures product quality.
Patent Information
- Application Number
- CN202511145813.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-15
- Publication Date
- 2025-10-17
AI Technical Summary
Existing freeze dryers have low temperature control accuracy, complex equipment structure, high energy consumption, and low freeze drying efficiency, making it difficult to meet the needs of efficient production.
A multi-stage temperature control device is used, including a box, control panel, partition, ventilation duct, filter, fan, water-cooled refrigerator, liquid pump, infusion tube, air-cooled refrigeration components, etc., to achieve optimization of the multi-stage freeze-drying process by precisely controlling the temperature and gas flow.
The freeze-drying efficiency is improved, the processing time is shortened, the energy consumption is reduced, the product quality is ensured, and the working efficiency and practicality of the device are improved.
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Figure CN120799863A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of deep processing of frozen wolfberry, in particular to a multi-section temperature control device for freeze-drying machine. BACKGROUND
[0002] With the wide application of freeze-drying technology in food, medicine, cosmetics and other fields, higher requirements are put forward for the performance of freeze-drying machine. In actual use, freeze-drying machine needs to be controlled efficiently to ensure the smooth progress of freeze-drying process, and to improve production efficiency, reduce energy consumption and improve product quality as much as possible. At present, the traditional freeze-drying machine usually adopts single temperature control mode, which cannot accurately adjust according to the needs of different stages, resulting in low freeze-drying efficiency, long processing time, high energy consumption and difficulty in effectively ensuring product quality.
[0003] With the progress of science and technology, multi-section temperature control technology has been gradually applied to freeze-drying machine. Through fine temperature control in different stages, the freeze-drying process can be effectively optimized, and the overall performance of the equipment can be improved. However, the existing multi-section temperature control technology still has some technical bottlenecks, such as low temperature control precision, complex equipment structure, high energy consumption and other problems. In addition, other supporting devices of freeze-drying machine, such as cooling system, conveying system and sterilization system, also need to be closely matched with temperature control system to realize more efficient and stable freeze-drying process. SUMMARY
[0004] In view of the shortcomings of the prior art, the present application provides a multi-section temperature control device for freeze-drying machine, which solves the problems of low temperature control precision, complex equipment structure and high energy consumption.
[0005] In order to achieve the above object, the present application is realized by the following technical scheme: A multi-section temperature control device for a freeze dryer, comprising a box body, a control panel is fixedly connected to the front right side of the box body, facilitating control of the device, box doors are rotatably connected to the two sides of the box body, a connecting assembly is fixedly connected to the left rear side of the box body, the connecting assembly is used for automatically conveying pretreated wolfberry, a partition is fixedly connected inside the box body, facilitating gas blocking, a ventilation duct is fixedly connected to the upper right side of the box body, filter screens are fixedly connected to the inside of the ventilation duct on both sides, facilitating gas filtration treatment, a fan is fixedly connected inside the ventilation duct, facilitating gas conveying, a bottom plate is fixedly connected to the lower rear side of the box body, a liquid storage tank is fixedly connected to the upper side of the bottom plate, a liquid outlet pipe is fixedly connected to the left side of the liquid storage tank, the liquid outlet pipe is fixedly connected to the input end of a liquid pumping pump, a liquid inlet pipe is fixedly connected to the output end of the liquid pumping pump, facilitating automatic liquid conveying, a water-cooled refrigerator is fixedly connected to the front end of the liquid inlet pipe, facilitating cooling liquid refrigeration treatment, a conveying pipe is fixedly connected to the output end of the water-cooled refrigerator, and the conveying pipe is fixedly connected to the upper side of the liquid storage tank, facilitating cyclic cooling treatment of wolfberry.
[0006] Preferably, the connecting assembly comprises a support frame fixedly connected to the left rear side of the box body, an electric motor is fixedly connected inside the support frame, facilitating electric motor fixation and support, a rotating shaft is fixedly connected to the output end of the electric motor, a rotating roller is fixedly connected to the outside of the rotating shaft, and a conveyor belt is arranged outside the rotating roller, facilitating automatic wolfberry conveying.
[0007] Preferably, a ventilation opening is formed in the upper left side of the box body, a refrigeration tank is fixedly connected to the upper side of the ventilation opening, a filter plate is fixedly connected to the inside of the lower side of the refrigeration tank, facilitating gas filtration treatment, a gas pumping pump is fixedly connected to the upper right side of the box body, a gas inlet pipe is fixedly connected to the output end of the gas pumping pump, facilitating automatic gas conveying, and an air-cooled refrigeration assembly is fixedly connected to the left end of the gas inlet pipe, the air-cooled refrigeration assembly being used for further rapid freezing treatment of wolfberry.
[0008] Preferably, the air-cooled refrigeration assembly comprises an air-cooled refrigerator fixedly connected to the left end of the gas inlet pipe, a gas injection pipe is fixedly connected to the output end of the air-cooled refrigerator, and the gas injection pipe is fixedly connected to the inside of the upper side of the refrigeration tank, facilitating further rapid freezing treatment of wolfberry.
[0009] Preferably, the inside right side of the box is fixedly connected with a supporting plate, both sides of the upper part of the supporting plate are fixedly connected with hydraulic rods, the output end of the hydraulic rod is fixedly connected with a fixed plate, the lower left side of the fixed plate is fixedly connected with a scraping assembly, and the scraping assembly is used for uniformly laying the pretreated wolfberry on the conveying belt.
[0010] Preferably, the scraping assembly comprises a scraper, the scraper is fixedly connected to the lower left side of the fixed plate, the wolfberry accumulated together is scraped and treated, and the lower sides of the fixed plate are fixedly connected with vertical plates, the side close to the vertical plate is fixedly connected with an ultraviolet disinfection lamp, and the wolfberry is disinfected.
[0011] Preferably, the outside of the water-cooled refrigerator is fixedly connected with a fixing frame, and the fixing frame is fixedly connected to the inside upper side of the box, so that the water-cooled refrigerator is fixedly supported.
[0012] Preferably, the outside of the infusion tube and the conveying pipe are fixedly connected with buckles, and the buckles are fixedly connected to the inside upper side of the box, so that the infusion tube and the conveying pipe are fixedly supported.
[0013] Preferably, the rotating shaft, the rotating roller and the conveying belt are all rotationally connected to the inside of the box, and the rotating shaft, the rotating roller and the conveying belt are supported and limited in position.
[0014] Preferably, the liquid pumping pump is fixedly connected to the upper left side of the bottom plate, and the liquid pumping pump is fixedly supported.
[0015] The application provides a multi-section temperature control device for a freeze dryer. 1、 the liquid pumping pump is started by the starting control panel, the liquid pumping pump drives the liquid outlet pipe to extract the liquid storage tank, the cooling liquid enters the infusion tube and the water-cooled refrigerator from the inside of the liquid outlet pipe through the liquid pumping pump, the water-cooled refrigerator refrigerates the cooling liquid, the cooling liquid enters the liquid storage tank from the inside of the conveying pipe, the fan is started by the starting control panel, the fan drives the gas to enter the ventilation pipeline, the filter screen filters the gas, and the gas is discharged from the inside of the ventilation pipeline to the outside of the wolfberry, so that the efficiency of the freeze drying process is effectively improved, the processing time is shortened, the energy consumption is reduced, and the working efficiency of the device is improved.
[0016] 2、The application can further rapidly freeze the wolfberry, the precise temperature control optimizes the freeze-drying process, and thus the practicality of the device is improved.
[0017] 3、The application can uniformly lay the wolfberry on the conveying belt, prevent the wolfberry from being accumulated, and thus guarantee the product processing quality. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a perspective view of the application; Figure 2 is a rear view of the application; Figure 3 is a sectional view of the box of the application; Figure 4 is a structure schematic view of the water-cooled refrigeration assembly of the application; Figure 5 is a sectional view of the ventilation pipeline of the application; Figure 6 is a local structure schematic view of the application; Figure 7 is a structure schematic view of the air-cooled refrigeration assembly of the application.
[0019] 1, box; 2, control panel; 3, box door; 4, support frame; 5, motor; 6, rotating shaft; 7, rotating roller; 8, conveying belt; 9, support plate; 10, hydraulic rod; 11, fixed plate; 12, scraper; 13, vertical plate; 14, ultraviolet disinfection lamp; 15, partition; 16, ventilation pipeline; 17, filter screen; 18, fan; 19, bottom plate; 20, liquid storage tank; 21, liquid outlet pipe; 22, liquid pump; 23, liquid conveying pipe; 24, water-cooled refrigerator; 25, conveying pipe; 26, fixing frame; 27, buckle; 28, ventilation opening; 29, refrigeration box; 30, filter plate; 31, air suction pump; 32, gas conveying pipe; 33, air-cooled refrigerator; 34, gas injection pipe. DETAILED DESCRIPTION
[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.
[0021] Embodiments: Please refer to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. Figure 1 - the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. Figure 5 The embodiments of the present application provide a multi-section temperature control device for freeze dryer, which comprises a box body 1, a control panel 2 fixedly connected to the front right side of the box body 1, box doors 3 rotatably connected to the two sides of the box body 1, a connecting assembly fixedly connected to the rear left side of the box body 1, the connecting assembly being used for automatically conveying the pre-processed wolfberry, a partition plate 15 fixedly connected to the inside of the box body 1, a ventilation duct 16 fixedly connected to the upper right side of the box body 1, filter screens 17 fixedly connected to the inside of the ventilation duct 16, a fan 18 fixedly connected to the inside of the ventilation duct 16, a bottom plate 19 fixedly connected to the rear lower side of the box body 1, a liquid storage tank 20 fixedly connected to the upper side of the bottom plate 19, a liquid outlet pipe 21 fixedly connected to the left side of the liquid storage tank 20, the liquid outlet pipe 21 being fixedly connected to the input end of a liquid pumping pump 22, a liquid inlet pipe 23 fixedly connected to the output end of the liquid pumping pump 22, a water-cooled refrigerator 24 fixedly connected to the front end of the liquid inlet pipe 23, a conveying pipe 25 fixedly connected to the output end of the water-cooled refrigerator 24, and the conveying pipe 25 being fixedly connected to the upper side of the liquid storage tank 20.
[0022] When the device is used, the wolfberry is conveyed to the upper side of the conveying belt 8 by manually opening the box door 3, the control panel 2 is manually opened, the control panel 2 is started to drive the motor 5 to start, the motor 5 is started to drive the rotating shaft 6 to rotate, the rotating shaft 6 is rotated to drive the rotating roller 7 to rotate, the rotating roller 7 is rotated to drive the conveying belt 8 to convey, and the wolfberry is automatically conveyed; the control panel 2 is manually opened, the control panel 2 is started to drive the liquid pump 22 to start, the liquid pump 22 is started to drive the liquid outlet pipe 21 to extract, the liquid outlet pipe 21 extracts the liquid storage tank 20, the cooling liquid enters the liquid outlet pipe 21 from the inside of the liquid storage tank 20, the cooling liquid enters the liquid inlet pipe 23 from the inside of the liquid outlet pipe 21, the cooling liquid enters the water-cooled refrigerator 24 from the inside of the liquid inlet pipe 23, the water-cooled refrigerator 24 cools the cooling liquid, the cooling liquid enters the conveying pipe 25 from the inside of the water-cooled refrigerator 24, and the cooling liquid enters the liquid storage tank 20 from the inside of the conveying pipe 25. The control panel 2 is manually opened, the control panel 2 is started to drive the fan 18 to start, the fan 18 is started to drive the gas into the ventilation pipe 16, the filter screen 17 is arranged to filter the gas, the gas enters the box 1 from the inside of the ventilation pipe 16, and the cold air is conveyed to the outside of the wolfberry, so that the efficiency of the freeze-drying process can be effectively improved, the processing time is shortened, the energy consumption is reduced, and the working efficiency of the device is improved.
[0023] Please refer to the attached Figure 1 , attached Figure 3 , attached Figure 7 The upper left side of the box 1 is provided with a ventilation opening 28, the upper side of the ventilation opening 28 is fixedly connected with a refrigeration box 29, the inside of the refrigeration box 29 is fixedly connected with a filter plate 30, the upper right side of the box 1 is fixedly connected with a gas suction pump 31, the output end of the gas suction pump 31 is fixedly connected with a gas conveying pipe 32, the left end of the gas conveying pipe 32 is fixedly connected with a air-cooled refrigeration assembly, and the air-cooled refrigeration assembly is used for further quick-freezing the wolfberry; the air-cooled refrigeration assembly comprises an air-cooled refrigerator 33, the air-cooled refrigerator 33 is fixedly connected to the left end of the gas conveying pipe 32, the output end of the air-cooled refrigerator 33 is fixedly connected with a gas injection pipe 34, and the gas injection pipe 34 is fixedly connected to the inside of the refrigeration box 29.
[0024] The control panel 2 is opened manually, the control panel 2 drives the air suction pump 31 to start, the air suction pump 31 drives the gas to be transported, the gas enters the inside of the air suction pump 31 into the inside of the gas conveying pipe 32, from the inside of the gas conveying pipe 32 into the inside of the air-cooled refrigerator 33, the air-cooled refrigerator 33 cools the gas, the cold air from the inside of the air-cooled refrigerator 33 enters the inside of the gas injection pipe 34, from the inside of the gas injection pipe 34 into the inside of the refrigeration box 29, the filter plate 30 is arranged to filter the gas, the cold air from the inside of the refrigeration box 29 enters the inside of the ventilation opening 28, and then from the inside of the ventilation opening 28 into the inside of the box body 1, so that the goji berries can be further quickly frozen, the precise temperature control optimizes the freeze-drying process, and the practicality of the device is improved.
[0025] Please refer to the accompanying Figure 3 , the accompanying Figure 6 , the inside right side of the box body 1 is fixedly connected with a supporting plate 9, the upper two sides of the supporting plate 9 are fixedly connected with a hydraulic rod 10, the output end of the hydraulic rod 10 is fixedly connected with a fixed plate 11, the lower left side of the fixed plate 11 is fixedly connected with a leveling assembly, and the leveling assembly is used for evenly laying the pretreated goji berries on the conveying belt 8; the leveling assembly comprises a scraper 12, the scraper 12 is fixedly connected to the lower left side of the fixed plate 11, the lower two sides of the fixed plate 11 are fixedly connected with vertical plates 13, and the side close to the vertical plate 13 is fixedly connected with an ultraviolet disinfection lamp 14.
[0026] The control panel 2 is opened manually, the control panel 2 drives the air suction pump 31 to start, the air suction pump 31 drives the gas to be transported, the gas enters the inside of the air suction pump 31 into the inside of the gas conveying pipe 32, from the inside of the gas conveying pipe 32 into the inside of the air-cooled refrigerator 33, the air-cooled refrigerator 33 cools the gas, the cold air from the inside of the air-cooled refrigerator 33 enters the inside of the gas injection pipe 34, from the inside of the gas injection pipe 34 into the inside of the refrigeration box 29, the filter plate 30 is arranged to filter the gas, the cold air from the inside of the refrigeration box 29 enters the inside of the ventilation opening 28, and then from the inside of the ventilation opening 28 into the inside of the box body 1, so that the goji berries can be further quickly frozen, the precise temperature control optimizes the freeze-drying process, and the practicality of the device is improved.
[0027] Please refer to the accompanying Figure 2 , the accompanying Figure 3 , the accompanying Figure 4 , the outside of the water-cooled refrigerator 24 is fixedly connected with a fixed frame 26, and the fixed frame 26 is fixedly connected to the inside upper side of the box body 1; the outside of the liquid conveying pipe 23 and the conveying pipe 25 is fixedly connected with a buckle 27, and the buckle 27 is fixedly connected to the inside upper side of the box body 1; the rotating shaft 6, the rotating roller 7 and the conveying belt 8 are all rotatably connected to the inside of the box body 1; the liquid suction pump 22 is fixedly connected to the upper left side of the bottom plate 19.
[0028] The water cooling refrigerator 24 is externally fixed connected with a fixing frame 26, the fixing frame 26 is fixed connected on the inner upper side of the box body 1, and plays a role of fixing and supporting the water cooling refrigerator 24; the infusion tube 23 and the conveying pipe 25 are externally fixed connected with buckles 27, the buckles 27 are fixed connected on the inner upper side of the box body 1, and play a role of fixing and supporting the infusion tube 23 and the conveying pipe 25; the rotating shaft 6, the rotating roller 7 and the conveying belt 8 are all rotatably connected in the inner part of the box body 1, and play a role of supporting and limiting the rotating shaft 6, the rotating roller 7 and the conveying belt 8; the liquid pumping pump 22 is fixed connected on the upper left side of the bottom plate 19, and plays a role of fixing and supporting the liquid pumping pump 22.
[0029] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A multi-stage temperature control device for a freeze dryer, comprising a box (1), characterized in that: The front right side of the box (1) is fixedly connected to a control panel (2), both sides of the box (1) are rotatably connected to box doors (3), the rear left side of the box (1) is fixedly connected to a connecting assembly, the connecting assembly is used to automatically transport the pre-treated wolfberries, the interior of the box (1) is fixedly connected to a partition (15), the upper right side of the box (1) is fixedly connected to a ventilation duct (16), the interior of the ventilation duct (16) is fixedly connected to a filter (17), the interior of the ventilation duct (16) is fixedly connected to a fan (18), the box ( 1) is fixedly connected to a bottom plate (19) on the lower rear side, a liquid storage tank (20) is fixedly connected to the upper side of the bottom plate (19), a liquid outlet pipe (21) is fixedly connected to the left side of the liquid storage tank (20), the liquid outlet pipe (21) is fixedly connected to the input end of a liquid pump (22), the output end of the liquid pump (22) is fixedly connected to a liquid infusion pipe (23), the front end of the liquid infusion pipe (23) is fixedly connected to a water-cooled refrigerator (24), the output end of the water-cooled refrigerator (24) is fixedly connected to a delivery pipe (25), and the delivery pipe (25) is fixedly connected to the upper side of the liquid storage tank (20).
2. A multi-stage temperature control device for a freeze dryer according to claim 1, characterized in that: The connecting assembly comprises a support frame (4), the support frame (4) being fixedly connected to the left rear portion of the box body (1), a motor (5) being fixedly connected to the interior of the support frame (4), a rotating shaft (6) being fixedly connected to the output end of the motor (5), a rotating roller (7) being fixedly connected to the exterior of the rotating shaft (6), and a conveyor belt (8) being provided on the exterior of the rotating roller (7).
3. A multi-stage temperature control device for a freeze dryer according to claim 1, characterized in that: A vent (28) is provided on the left side of the upper portion of the box body (1), a refrigeration box (29) is fixedly connected to the upper side of the vent (28), a filter plate (30) is fixedly connected to the lower side of the interior of the refrigeration box (29), an air extraction pump (31) is fixedly connected to the right side of the upper portion of the box body (1), an output end of the air extraction pump (31) is fixedly connected to an air supply pipe (32), and an air cooling refrigeration component is fixedly connected to the left end of the air supply pipe (32), and the air cooling refrigeration component is used to further perform quick-freezing treatment on the wolfberries.
4. A multi-stage temperature control device for a freeze dryer according to claim 3, characterized in that: The air-cooled refrigeration assembly includes an air-cooled refrigerator (33), the air-cooled refrigerator (33) is fixedly connected to the left end of the air supply pipe (32), the output end of the air-cooled refrigerator (33) is fixedly connected to an air injection pipe (34), and the air injection pipe (34) is fixedly connected to the upper side of the interior of the refrigeration box (29).
5. A multi-stage temperature control device for a freeze dryer according to claim 1, characterized in that: A support plate (9) is fixedly connected to the right side of the interior of the box (1), hydraulic rods (10) are fixedly connected to both sides of the upper portion of the support plate (9), the output end of the hydraulic rod (10) is fixedly connected to a fixed plate (11), and a scraping assembly is fixedly connected to the left side of the lower portion of the fixed plate (11), and the scraping assembly is used to evenly spread the pre-treated wolfberries on the conveyor belt (8).
6. A multi-stage temperature control device for a freeze dryer according to claim 5, characterized in that: The scraping assembly comprises a scraper (12), the scraper (12) being fixedly connected to the left side of the lower portion of the fixed plate (11), vertical plates (13) being fixedly connected to both sides of the lower portion of the fixed plate (11), and an ultraviolet disinfection lamp (14) being fixedly connected to the adjacent side of the vertical plates (13).
7. A multi-stage temperature control device for a freeze dryer according to claim 1, characterized in that: The outside of the water-cooled refrigerator (24) is fixedly connected to a fixing frame (26), and the fixing frame (26) is fixedly connected to the inner upper side of the box body (1).
8. A multi-stage temperature control device for a freeze dryer according to claim 1, characterized in that: The outsides of the infusion tube (23) and the delivery tube (25) are fixedly connected with buckles (27), and the buckles (27) are fixedly connected to the upper inner side of the box body (1).
9. A multi-stage temperature control device for a freeze dryer according to claim 2, characterized in that: The rotating shaft (6), the rotating roller (7) and the conveyor belt (8) are all rotatably connected inside the box (1).
10. The multi-stage temperature control device for a freeze dryer according to claim 1, characterized in that: The liquid pump (22) is fixedly connected to the upper left side of the bottom plate (19).