Subsurface impingement flow low-temperature unfreezing machine
By combining a submersible impingement flow cryogenic thawing machine with ultrasonic vibration and low-temperature water flow, the problems of low thawing efficiency and damage to microbial activity in existing technologies have been solved. This enables efficient, low-temperature thawing of small batches of freeze-thaw bags in the laboratory, ensuring microbial activity.
Patent Information
- Application Number
- CN202422466372.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-10-12
AI Technical Summary
In existing technologies, natural thawing is slow and affected by room temperature. Freeze-thaw machines are not suitable for thawing small batches of freeze-thaw bags in the laboratory, resulting in reduced microbial activity and inaccurate experimental results.
A submersible impingement flow cryogenic thawing machine is adopted, which combines ultrasonic vibration and low-temperature water flow. The freeze-thaw bag is thawed in a low-temperature environment by water flow impacting the ball and ultrasonic transducer, reducing the formation of ice crystals.
It enables efficient thawing of small batches of freeze-thaw bags in low-temperature environments, ensuring microbial activity, reducing ice crystal damage, and improving thawing efficiency.
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Figure CN223879758U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of thawing machine, in particular to a liquid under impact flow low temperature thawing machine. BACKGROUND
[0002] In the microbial strain preservation technology, the strain needs to be preserved in an ultralow temperature environment to reduce the metabolic activity of the strain, so as to keep the viability and genetic characteristics of the strain unchanged within a certain period of time. In addition, in the microbial detection technology, the detection of samples preserved at low temperature is involved. Both strain recovery and sample detection need to be thawed from the ultralow temperature frozen state to room temperature, and the activity of microorganisms needs to be ensured during this process. At present, there are natural thawing method and freeze-thaw machine thawing. The natural thawing method is slow and is limited by room temperature. If the temperature is too high, the microorganisms will be partially inactivated, resulting in inaccurate experimental results. The freeze-thaw machine is suitable for thawing a large number of freeze-thaw bags and cannot be used for thawing a small number of strain preservation tubes or low-temperature samples in the laboratory.
[0003] The patent application with publication number CN111149852A discloses a low-temperature thawing machine, which comprises a sealed container, a storage cavity, a fan and a humidifier are arranged in the sealed container, a circulating air duct is further arranged in the sealed container, the circulating air duct is connected with the storage cavity, the fan and the humidifier, and the circulating air duct passes through the humidifier and then the storage cavity.
[0004] When the prior art device is used, it is limited by room temperature and is prone to have a temperature that is too high, causing partial inactivation of microorganisms and resulting in inaccurate experimental results.
[0005] Therefore, a new technical solution is needed to solve the above technical problems. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a liquid under impact flow low temperature thawing machine, which is suitable for thawing a small number of freeze-thaw bags in the laboratory. The equipment can realize the thawing of freeze-thaw bags in a low-temperature environment through ultrasonic vibration and low-temperature flowing water.
[0007] The utility model adopts the technical scheme of:
[0008] A liquid under impact flow low temperature thawing machine, which comprises a box body and a thawing device arranged in the box body, an upper cover plate is arranged at the top of the box body, the thawing device comprises a water inlet pipe and a water flow impact ball, the water inlet pipe is arranged in the box body, the water inlet pipe penetrates through the upper cover plate, the upper pipe opening of the water inlet pipe protrudes from the upper cover plate, the lower pipe opening of the water inlet pipe extends into the box body downward, and the water flow impact ball is sleeved on the end of the lower pipe opening. The side wall of the box body is provided with a water outlet.
[0009] Through the above structure, the device is suitable for thawing a small number of freeze-thaw bags in the laboratory. The equipment can realize the thawing of freeze-thaw bags in a low-temperature environment through ultrasonic vibration and low-temperature flowing water.
[0010] Preferably, the water flow impact ball is a hollow circular part, and a sleeve pipe is arranged on the top of the water flow impact ball.
[0011] Preferably, a hole is arranged on the side wall of the water flow impact ball, and the diameter of the hole is 0.5-1.5mm.
[0012] By adopting the above structure, the water flow impact ball is sleeved on the bottom of the water inlet pipe, and a suitable hole is arranged on the water flow impact ball, so that the water flow can be impacted to the freeze-thaw bag through the water body, and the freeze-thaw bag can be thawed in a low-temperature environment by using low-temperature water flow.
[0013] Preferably, the sleeve structure of the water inlet pipe and the water flow impact ball in the box is provided with multiple groups, and the groups are separated by a partition plate, the bottom of the partition plate is fixed to the bottom surface of the box, and the upper end of the partition plate is higher than the lower pipe opening of the water inlet pipe.
[0014] By adopting the above structure, multiple freeze-thaw bags can be thawed at one time when the device is used, and the thawing efficiency is high.
[0015] Preferably, multiple waist holes are arranged on the partition plate, and the waist holes are vertical long strip-shaped through holes.
[0016] By adopting the above structure, the water flow on both sides of the partition plate can flow.
[0017] Preferably, a handle is arranged on the upper cover plate of the top of the box.
[0018] Preferably, the upper pipe opening of the water inlet pipe is provided with a clamping opening above the upper cover plate.
[0019] By adopting the above structure, the handle is arranged to separate the upper cover plate from the box when the freeze-thaw bag is placed and taken out, and the clamping opening of the water inlet pipe is arranged to be connected with the water outlet of the external TCU through a clamp.
[0020] Preferably, multiple ultrasonic transducers are embedded in the bottom plate of the box, and a temperature probe is arranged at the bottom of the box.
[0021] By adopting the above structure, the ultrasonic vibration generated by the ultrasonic transducer can accelerate thawing, and the temperature probe is arranged to detect the temperature in the box.
[0022] Preferably, the water outlet is arranged on the lower side wall outside the box, and a connecting structure is arranged on the pipe opening of the water outlet extending out of the box.
[0023] By adopting the above structure, the water outlet and the TCU can be connected through a clamp.
[0024] Preferably, the connecting structure is a clamping opening.
[0025] Compared with the prior art, the utility model has the following beneficial effects:
[0026] 1、 The utility model discloses a device can be efficient thawing to freeze -thaw bag under low -temperature environment, and effectively reduce the production of ice crystal in thawing process through ultrasonic vibration, be applicable to laboratory thawing small -batch freeze -thaw bag.
[0027] 2、 The utility model discloses a device sets up water flow impact ball, and water flow impact ball is sleeved in the bottom of water inlet pipe, and the suitable hole is set up on water flow impact ball, and the water flow is convenient to impact and is impacted to freeze -thaw bag through water body, realizes and thawing is carried out to freeze -thaw bag in low -temperature environment using low -temperature running water.
[0028] 3、 In the utility model discloses a device, the sleeve structure of water inlet pipe and water flow impact ball in box is equipped with multiple groups, and when using the device, a plurality of freeze -thaw bags can be thawed at one time, and the thawing efficiency is high, and the waist hole is equipped on the baffle, and the water flow is circulated on both sides of the baffle. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 It is the structural diagram of the utility model;
[0030] Figure 2 It is the internal structure diagram of the utility model box;
[0031] Figure 3 It is the structural diagram of the utility model baffle and waist hole;
[0032] Figure 4 It is the structural diagram of the utility model water flow impact ball.
[0033] Among them: 1, upper cover plate;2, water inlet pipe;3, bayonet;4, box;5, water outlet;6, handle;7, water flow impact ball;8, baffle;9, ultrasonic vibrator;10, waist hole;11, hole;12, sleeve pipeline;13, temperature probe. DETAILED DESCRIPTION
[0034] For example Figures 1-4As shown, a kind of liquid impact flow low temperature thawing machine, including box 4 and thawing device in box 4, box 4 top opening is equipped with upper cover plate 1, and thawing device includes water inlet pipe 2, water flow impact ball 7, upper cover plate 1 on the top of box 4 is equipped with handle.The water inlet pipe 2 is arranged in the box 4, the water inlet pipe 2 passes through the upper cover plate 1, the upper tube opening of the water inlet pipe 2 protrudes from the upper cover plate 1, the upper tube opening of the water inlet pipe 2 is provided with a bayonet 3 connected with external TCU, the lower tube opening of the water inlet pipe 2 extends into the box 4, and the end of the lower tube opening is sleeved with the water flow impact ball 7.A plurality of ultrasonic transducers 9 are embedded in the bottom plate of the box 4, and a temperature probe 13 is arranged at the bottom of the box 4.The water outlet 5 is arranged on the lower side wall outside the box 4, and the bayonet 3 is arranged on the tube opening of the water outlet 5 extending out of the box and connected with the external TCU.The water flow impact ball 7 is a hollow circular member, the water flow impact ball 7 is provided with a sleeve pipe 12 at the top, and the sleeve pipe 12 is sleeved on the bottom end of the water inlet pipe 2.Holes are formed in the side wall of the water flow impact ball 7, and the diameter of the holes is 0.5-1.5mm.The device can efficiently thaw frozen and thawed bags in low temperature environment, effectively reduce the generation of ice crystals in the thawing process through ultrasonic vibration, and is suitable for thawing small batches of frozen and thawed bags in laboratory.The device is provided with the water flow impact ball 7, the water flow impact ball 7 is sleeved on the bottom of the water inlet pipe 2, and suitable holes are formed in the water flow impact ball 7, so that the impact water can be impacted to the frozen and thawed bag through the water body, and the frozen and thawed bag is thawed in low temperature environment using low temperature water.
[0035] The sleeve structure of the water inlet pipe 2 and the water flow impact ball 7 in the box 4 is provided with multiple groups, and the groups are separated by the partition plate 8, the bottom of the partition plate 8 is fixed to the bottom surface of the box 4, and the upper end of the partition plate 8 is higher than the lower tube opening of the water inlet pipe 2.A plurality of waist holes 10 are formed in the partition plate 8, and the waist holes 10 are vertical long strip-shaped through holes.In the device, the sleeve structure of the water inlet pipe 2 and the water flow impact ball 7 in the box 4 is provided with multiple groups, and a plurality of frozen and thawed bags can be thawed at a time when the device is used, the thawing efficiency is high, and the waist holes 10 are arranged on the partition plate 8, and the water flows on both sides of the partition plate.
[0036] When the device is used, the outlet pipeline of the TCU is connected to the inlet pipeline 2 on the upper end of the thawing machine box 4 and is fixed by a clamp; the outlet 5 of the thawing machine is connected to the circulating water inlet of the TCU and is fixed by a clamp, the TCU is started to fill the low-temperature water into the box 4 through the inlet pipeline 2, after the low-temperature thawing water in the box 4 reaches the target water level, the freeze-thaw bag is placed in the working position separated by the partition plate 8, the height of the partition plate 8 exceeds the water level line in use, the handle 6 is held and the cover plate 1 is covered. The TCU continuously pours the low-temperature water into the inlet pipeline 2, the low-temperature water is sprayed downward to form the water flow flowing around through the water flow impact ball 7, the freeze-thaw bag is thawed by the water flow method; at the same time, the water is discharged into the TCU through the outlet 5 to be heated again to form the circulation. The temperature probe 13 in the box 4 is used to detect the water temperature in the box 4, when the freeze-thaw bag is soaked in the water for a long time, the water temperature is reduced to outside the optimal thawing temperature interval, the water injected by the TCU increases the temperature, so that the optimal thawing water temperature interval is reached. Eight ultrasonic transducers 9 are arranged at the bottom of the box 4, the electrostatic wave resonates with the water molecules at the same time of the water flow thawing, the thawing loss is greatly reduced, the high-quality thawing under the low temperature is realized, so that the activity of the microbial strains in the target object to be detected is ensured and the influence of the ice crystal on the microbial cells is reduced.
[0037] The above-described embodiments are only used to describe the preferred embodiments of the present application, and do not limit the scope of the present application, and various modifications and improvements of the technical scheme of the present application made by those skilled in the art without departing from the design spirit of the present application should be included in the protection scope of the present application.
Claims
1. A submerged impingement stream cryogenic thawing machine comprising a cabinet and a thawing device disposed within the cabinet, characterized in that: The box top opening is provided with an upper cover plate, and the thawing device comprises a water inlet pipe and a water flow impact ball.
2. A submerged jet stream cryogenic thawing machine according to claim 1, characterized in that: The water flow impact ball is a hollow circular member, and a sleeve pipe is arranged on the top of the water flow impact ball.
3. A submerged jet stream cryogenic thawing machine according to claim 2, characterized in that: A hole is arranged on the sidewall of the water flow impact ball, and the diameter of the hole is 0.5-1.5 mm.
4. A submerged jet stream cryogenic thawing machine according to claim 1, characterized in that: The sleeve structure of the water inlet pipe and the water flow impact ball in the box is provided with multiple groups, and each group is separated by a partition plate.
5. A submerged jet stream cryogenic thawing machine according to claim 4, characterized in that: Multiple waist holes are arranged on the partition plate, and the waist holes are vertical long strip-shaped through holes.
6. A submerged jet stream cryogenic thawing machine according to claim 1, characterized in that: A handle is arranged on the upper cover plate of the box top.
7. A submerged jet stream cryogenic thawing machine according to claim 1, characterized in that: A connecting structure is arranged on the upper pipe opening of the water inlet pipe.
8. A submerged jet stream cryogenic thawing machine according to claim 1, characterized in that: Multiple ultrasonic transducers are embedded in the bottom plate of the box, and a temperature probe is arranged on the bottom of the box.
9. A submerged jet cryogenic thawing machine according to claim 1, characterized in that: The water outlet is arranged on the lower sidewall outside the box, and a connecting structure is arranged on the pipe opening of the box.
10. A submerged jet flow cryogenic thawing machine according to claim 7 or 9, characterized in that: The connecting structure is a bayonet.
Citation Information
Patent Citations
Low-temperature unfreezing machine
CN111149852A