CN109253911A - A kind of impact specimen deep freezer and its application method - Google Patents
A kind of impact specimen deep freezer and its application method Download PDFInfo
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- CN109253911A CN109253911A CN201811457736.6A CN201811457736A CN109253911A CN 109253911 A CN109253911 A CN 109253911A CN 201811457736 A CN201811457736 A CN 201811457736A CN 109253911 A CN109253911 A CN 109253911A
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- controller
- medium
- insulating box
- refrigeration case
- pump
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of impact specimen deep freezer and its application method, impact specimen deep freezer include: deep cooling treatment tank, refrigerant tank, medium tank and PC controller, wherein deep cooling treatment tank includes insulating box and refrigeration case；Insulating box and refrigeration case are separated by baffler；Refrigeration case is connect with refrigerant tank and medium tank；PC controller is connect with insulating box and refrigeration case.Application method includes: that temperature is inputted PC controller, calculates refrigerating fluid and medium ratio；Start third pump, medium is imported into refrigeration case；The second pump of starting, imports refrigeration case for refrigerating fluid；Start agitating paddle, hybrid refrigeration liquid and medium, mixed liquor enter insulating box through deflector hole；The first pump of starting, makes liquid communication in insulating box；PC controller regulates and controls the flow of refrigerating fluid and medium according to the first and second thermometer feedback informations, maintains set temperature；Sample is placed on lifter, sample keeps the temperature 15~20min, starts lifter, and sample is made to be detached from solution, carries out subsequent experimental.
Description
Technical field
The invention belongs to metal material mechanics testing fields, and in particular to a kind of impact specimen deep freezer and its user
Method.
Background technique
For six side's solid matter metal and alloy materials of body-centered cubic structure and part, when Service Environment is reduced to a certain temperature
TKWhen, the fracture mode of material is changed into brittle fracture by ductile rupture, that is, black brittleness phenomenon occurs.This transition temperature is
Ductile-brittle transition temperature.This temperature in order to obtain, the main contents for being prepared into test measurement of low temperature environment.Laboratory is general at present
All over low temperature environment is prepared using being added by the way of liquid nitrogen and alcohol in foam box, there is cooling slowly, the problems such as non-uniform temperature,
Simultaneously because the setting temperature of alcohol is -80 DEG C, the manufacture lower than -80 DEG C of low temperature environment is more difficult.So that ductile-brittle transiton
The detection error of temperature is larger, is badly in need of a kind of dedicated manufacture low temperature environment equipment.
Summary of the invention
To achieve the above object, the present invention provides a kind of impact specimen deep freezer and its application method.
A kind of impact specimen deep freezer, comprising: deep cooling treatment tank, refrigerant tank, medium tank, PC controller, wherein
The deep cooling treatment tank includes insulating box and refrigeration case；
The insulating box and refrigeration case is separated by baffler；
The refrigeration case is connect with refrigerant tank and medium tank respectively；
The PC controller is connect with insulating box and refrigeration case respectively.
The baffler top is provided with deflector hole, and bottom is equipped with agitating paddle.
The constant temperature upper box part is equipped with the first controller, and the first thermometer is housed on first controller.
The constant temperature upper box part is equipped with top and mixes hole, and bottom is equipped with lower part and mixes hole, and it is mixed that top mixes hole and lower part
It closes hole and uses connection by metal hose, pumped on hose equipped with first.
The insulating box bottom is equipped with lifter.
The refrigeration upper box part is equipped with second controller, and second temperature meter is housed on the second controller.
The refrigeration case bottom is equipped with lower inlet opening, and side wall is equipped with side inlet opening, lower inlet opening and refrigerant tank using gold
Belong to hose connection, pumped on hose equipped with second, side inlet opening is connected using metal hose with medium tank, and third is housed on hose
Pump.
Refrigerating fluid in the refrigerant tank is liquid nitrogen.
Medium in the medium tank is pentane or isopentane.
The PC controller is pumped with agitating paddle, lifter, the first controller, second controller, the first pump, second respectively
It is connected with third pump, and controls it.
A kind of application method of impact specimen deep freezer, comprising the following steps:
Step 1. start PC controller, by required temperature input PC controller, PC controller calculate required refrigerating fluid with
Medium ratio；
Step 2. starts third pump, and medium is imported refrigeration case by side inlet opening via metal hose, medium is made to be paved with system
Ice chest bottom；
Refrigerating fluid is imported refrigeration case by lower inlet opening via metal hose by the second pump of step 3. starting；
Step 4. starts agitating paddle, is uniformly mixed refrigerating fluid with medium, obtains mixed solution, mixed solution is via water conservancy diversion
Hole enters insulating box；
For step 5. after mixed solution liquid level in insulating box rises to upper mixing hole, the first pump of starting makes liquid in insulating box
Body circulation；
Step 6. starts the first controller and second controller, submerges the first thermometer and second temperature meter under liquid level；
Step 7.PC controller makes solution according to two temperatures meter feedback information, the flow of real-time monitoring refrigerating fluid and medium
Temperature maintains set temperature；
Step 8. is stablized after set temperature after solution temperature, and sample is placed on lifter, while by sampling jig
It is placed in insulating box；
Step 9. sample keeps the temperature 15~20min, starts lifter, and sample is made to be detached from solution, carries out subsequent experimental.
Beneficial effects of the present invention:
Existing low temperature preparation mode is compared, and the present invention provides a kind of completely new low temperature environment preparation facilities, can be obtained
To uniform and stable low temperature environment, the accuracy of test is improved, while device is run using automatic control mode, avoids low temperature ring
Border is contacted with people, ensure that the safety of test process.
Detailed description of the invention
Fig. 1 is the impact specimen deep freezer schematic diagram of embodiment 1；
1, deep cooling treatment tank；2, insulating box；3, refrigeration case；4, baffler；5, lifter；6, agitating paddle；7, upper mixing hole；
8, lower mixing hole；9, lower inlet opening；10, side inlet opening；11, the first controller；12, second controller；13, the first thermometer；
14, second temperature meter；15, the first pump；16, the second pump；17, third pumps；18, refrigerant tank；19, medium tank；20, sampling jig；
21, PC controller；A, sample.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail.
Embodiment 1
In conjunction with Fig. 1, a kind of impact specimen deep freezer specifically includes that deep cooling treatment tank 1, refrigerant tank 18, medium tank 19 and PC
Controller 21, wherein the deep cooling treatment tank 1 includes insulating box 2 and refrigeration case 3；The insulating box 2 and refrigeration case 3 by
Baffler 4 separates；The refrigeration case 3 is connect with refrigerant tank 18 and medium tank 19.
The test temperature of sample is -100 DEG C.
Step 1. starts PC controller 21, inputs -100 DEG C, PC controller 21 calculates required liquid nitrogen and pentane ratio
1/2；
Step 2. starts third pump 17, and pentane is imported refrigeration case 3 by side inlet opening 10 via metal hose, makes positive penta
Alkane is paved with 3 bottom of refrigeration case；
Liquid nitrogen is imported refrigeration case 3 by lower inlet opening 9 via metal hose by the second pump 16 of step 3. starting；
Step 4. starts agitating paddle 6, is uniformly mixed liquid nitrogen with pentane, obtains mixed solution, and mixed solution is via leading
Discharge orifice enters insulating box 2；
For step 5. after mixed solution liquid level in insulating box 2 rises to upper mixing hole 7, the first pump 15 of starting makes insulating box 2
Interior liquid communication；
Step 6. starts the first controller 11 and second controller 12, submerges the first thermometer 13 and second temperature meter 14
Under liquid level；
Step 7.PC controller 21 makes according to two temperatures meter feedback information, the flow of real-time monitoring liquid nitrogen and pentane
Solution temperature maintains -100 DEG C of set temperature；
Step 8. is stablized after -100 DEG C of set temperature after solution temperature, and Sample A is placed on lifter 5, simultaneously will
Sampling jig 20 is placed in 2 solution of insulating box；
Step 9. sample keeps the temperature 20min, starts lifter 5, and sample is made to be detached from solution, carries out -100 DEG C of impact tests.
Claims (9)
1. a kind of impact specimen deep freezer characterized by comprising deep cooling treatment tank, refrigerant tank, medium tank, PC controller,
In,
The deep cooling treatment tank includes insulating box and refrigeration case；
The insulating box and refrigeration case is separated by baffler；
The refrigeration case is connect with refrigerant tank and medium tank respectively；
The PC controller is connect with insulating box and refrigeration case respectively.
2. impact specimen deep freezer according to claim 1, which is characterized in that the baffler top is equipped with water conservancy diversion
Hole, bottom are equipped with agitating paddle.
3. impact specimen deep freezer according to claim 1, which is characterized in that the constant temperature upper box part is equipped with the first control
Device processed is equipped with the first thermometer on first controller, and the constant temperature upper box part is equipped with top and mixes hole, and bottom is equipped with
Lower part mixes hole, and top mixes hole and lower part mix aperture uses connection by metal hose, pumps on hose equipped with first.
4. impact specimen deep freezer according to claim 1, which is characterized in that the insulating box bottom, which is equipped with, to be promoted
Device.
5. impact specimen deep freezer according to claim 1, which is characterized in that the refrigeration upper box part is equipped with the second control
Device processed is equipped with second temperature meter on the second controller, and the refrigeration case bottom is equipped with lower inlet opening, and side wall is equipped with side
Inlet opening, lower inlet opening and refrigerant tank use connection by metal hose, pump on hose equipped with second, side inlet opening uses metal hose
It is connected with medium tank, is pumped on hose equipped with third.
6. impact specimen deep freezer according to claim 1, which is characterized in that the refrigerating fluid in the refrigerant tank is liquid
Nitrogen.
7. impact specimen deep freezer according to claim 1, which is characterized in that the medium in the medium tank is positive penta
Alkane or isopentane.
8. impact specimen deep freezer according to claim 1, which is characterized in that the PC controller respectively with stirring
Paddle, lifter, the first controller, second controller, the first pump, the second pump are connected with third pump, and control it.
9. the application method of impact specimen deep freezer described in claim 1, which comprises the following steps:
Step 1. starts PC controller, required temperature is inputted PC controller, PC controller calculates required refrigerating fluid and medium
Ratio；
Step 2. starts third pump, and medium is imported refrigeration case by side inlet opening via metal hose；
Refrigerating fluid is imported refrigeration case by lower inlet opening via metal hose by the second pump of step 3. starting；
Step 4. starts agitating paddle, is uniformly mixed refrigerating fluid with medium, obtains mixed solution, mixed solution via deflector hole into
Enter insulating box；
For step 5. after mixed solution liquid level in insulating box rises to upper mixing hole, the first pump of starting makes liquid flow in insulating box
It is logical；
Step 6. starts the first controller and second controller, submerges the first thermometer and second temperature meter under liquid level；
Step 7.PC controller makes solution temperature according to two temperatures meter feedback information, the flow of real-time monitoring refrigerating fluid and medium
Maintain set temperature；
Step 8. is stablized after set temperature after solution temperature, sample is placed on lifter, while sampling jig being placed in
In insulating box；
Step 9. sample keeps the temperature 15~20min, starts lifter, and sample is made to be detached from solution, carries out subsequent experimental.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457736.6A CN109253911A (en) | 2018-11-30 | 2018-11-30 | A kind of impact specimen deep freezer and its application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457736.6A CN109253911A (en) | 2018-11-30 | 2018-11-30 | A kind of impact specimen deep freezer and its application method |
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| Publication Number | Publication Date |
|---|---|
| CN109253911A true CN109253911A (en) | 2019-01-22 |
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ID=65042731
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| CN201811457736.6A Pending CN109253911A (en) | 2018-11-30 | 2018-11-30 | A kind of impact specimen deep freezer and its application method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283516Y (en) * | 1996-12-10 | 1998-06-10 | 中国石化重庆一坪高级润滑油公司 | Precision low-temp. double-groove thermostatic bath |
| CN202105669U (en) * | 2010-11-29 | 2012-01-11 | 海盐正联检测技术有限公司 | Low-temperature tank used for arranging sample for impact toughness test |
| CN202606178U (en) * | 2012-05-11 | 2012-12-19 | 山东鲁抗舍里乐药业有限公司 | Liquid bath cycle dual-purpose refrigerating device |
| CN202869908U (en) * | 2012-11-05 | 2013-04-10 | 济南高盛试验机制造有限公司 | Impact specimen low temperature instrument |
| CN104251750A (en) * | 2014-09-04 | 2014-12-31 | 北京三原兆兴科技有限公司 | Water triple-point bottle automatic freezing and storage device and method |
| CN104677000A (en) * | 2015-03-19 | 2015-06-03 | 中国工程物理研究院材料研究所 | Liquid nitrogen cooling cryogenic device and implementation method for same |
| CN107608425A (en) * | 2017-09-27 | 2018-01-19 | 中国科学院理化技术研究所 | A kind of constant temperature system |
| CN209148415U (en) * | 2018-11-30 | 2019-07-23 | 东北大学 | A kind of impact specimen deep freezer |
-
2018
- 2018-11-30 CN CN201811457736.6A patent/CN109253911A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283516Y (en) * | 1996-12-10 | 1998-06-10 | 中国石化重庆一坪高级润滑油公司 | Precision low-temp. double-groove thermostatic bath |
| CN202105669U (en) * | 2010-11-29 | 2012-01-11 | 海盐正联检测技术有限公司 | Low-temperature tank used for arranging sample for impact toughness test |
| CN202606178U (en) * | 2012-05-11 | 2012-12-19 | 山东鲁抗舍里乐药业有限公司 | Liquid bath cycle dual-purpose refrigerating device |
| CN202869908U (en) * | 2012-11-05 | 2013-04-10 | 济南高盛试验机制造有限公司 | Impact specimen low temperature instrument |
| CN104251750A (en) * | 2014-09-04 | 2014-12-31 | 北京三原兆兴科技有限公司 | Water triple-point bottle automatic freezing and storage device and method |
| CN104677000A (en) * | 2015-03-19 | 2015-06-03 | 中国工程物理研究院材料研究所 | Liquid nitrogen cooling cryogenic device and implementation method for same |
| CN107608425A (en) * | 2017-09-27 | 2018-01-19 | 中国科学院理化技术研究所 | A kind of constant temperature system |
| CN209148415U (en) * | 2018-11-30 | 2019-07-23 | 东北大学 | A kind of impact specimen deep freezer |
Non-Patent Citations (3)
| Title |
|---|
| 王猛等: "轧后超快冷及亚温淬火对5%Ni钢微观组织与低温韧性的影响机理", 金属学报 * |
| 翟建勇等: "热处理工艺对3.5Ni钢组织和性能的影响", 现代冶金 * |
| 钱友荣等: "高强度钢静拉伸的缺口效应", 北京航空学院学报, pages 153 - 159 * |
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