CN206945582U - Self-cleaning rock freeze thawing automatic test device - Google Patents
Self-cleaning rock freeze thawing automatic test device Download PDFInfo
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- CN206945582U CN206945582U CN201720896760.4U CN201720896760U CN206945582U CN 206945582 U CN206945582 U CN 206945582U CN 201720896760 U CN201720896760 U CN 201720896760U CN 206945582 U CN206945582 U CN 206945582U
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- freezing
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- thawing
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Abstract
The utility model discloses a kind of self-cleaning rock freeze thawing automatic test device, including being provided with freezing-thawing test case, refrigeration system, heating system and the casing of control system, temperature sensor is provided with case, the cold wind outlet of refrigeration system is above freezing-thawing test case, heating system includes being provided with the storage tank of primary heater below freezing-thawing test case, it is arranged on the inlet and outlet pipe between storage tank and freezing-thawing test case to correspond to respectively and is communicated with water injecting pump and draining pump, the bottom of freezing-thawing test case is provided with automatically cleaning and crosses water installations.The utility model is simple in construction, easy to use, and the freezing-thawing experiment condition in casing uses Automated condtrol, reduces human error；Heating and cooling are rapid, greatly reduce experiment energy consumption, improve experiment accuracy；Meanwhile there is provided self-cleaning to cross water installations, hot water clean water quality degree can be improved, prevents that water pump from blocking and damage, improves service life of equipment.
Description
Technical field
Ground test equipment technical field is the utility model is related to, it is automatic more particularly, to a kind of self-cleaning rock freeze thawing
Change experimental rig.
Background technology
Rock freezing-thawing test is mainly used in judging performances of rock, and rock sample typically is placed in into environmental test
It is strong by testing test specimen mass loss rate, uniaxial compressive after off-test under " freeze-thawing " temperature cycles changing pattern
Degree, Freezing and melting Coefficient etc. evaluate performances of rock.Frozen process experiment concretely comprises the following steps：By the iron sheet container equipped with test specimen at -20 ± 2 DEG C
Under freeze, after continuing four hours, then take out iron sheet container, into iron sheet container water filling submerge test specimen, water temperature is maintained at 20
± 2 DEG C, it is a Frozen-thawed cycled persistently to melt four hours；A circulation is often carried out, checks test specimen whether there is chip off-falling, crack, is seen
Its destructive process is examined, above-mentioned cycle-index is not less than 20 times, and severe cold area should not be less than 25 times.Earlier trials are using independent cold
Freeze equipment and melt equipment, test specimen needs to carry repeatedly between the said equipment, not only wastes time and energy, and is not easy accurately to control cold
Jelly and heat time, have a strong impact on the accuracy of experimental result.There is a kind of freeze thawing integration chamber at present, test specimen is put
In wherein, it is not necessary to carry back and forth again, but chamber heating, cooling is time-consuming longer（Heating is time-consuming 40 minutes or so, cooling consumption
Shi Changda a few houres）, and a large amount of debris and impurity in the hot water used due to melting process be present, water is heated by water pump pump drainage
When, easily cause pump road to block, or even the damage pump housing.
The content of the invention
The utility model provides a kind of self-cleaning rock freeze thawing automatic test device, it is therefore intended that solves existing one
Change the problem of chamber temperature transition is time-consuming longer, energy consumption is larger and pump drainage water pump easily blocks.
To achieve the above object, the utility model can take following technical proposals：
Self-cleaning rock freeze thawing automatic test device described in the utility model, including casing, set in the casing
Freezing-thawing test case, refrigeration system, heating system and control system are equipped with, temperature sensor is provided with the freezing-thawing test case,
Above freezing-thawing test case, the heating system is included below freezing-thawing test case for the cold wind outlet of the refrigeration system
Storage tank, primary heater is provided with the storage tank, the inlet and outlet pipe being arranged between storage tank and freezing-thawing test case
Upper correspond to respectively is communicated with water injecting pump and draining pump, and the bottom of the freezing-thawing test case is provided with automatically cleaning and crosses water installations, described
The housing cavity that cleaning apparatus for self crosses water is divided into soil chamber and water-purifying cavity by vertical demarcation strip, and the bottom plate of the soil chamber is less than
The bottom plate of water-purifying cavity, the import of soil chamber are connected with freezing-thawing test case, and water-purifying cavity is by being opened in vertical demarcation strip bottom
Water hole is connected with soil chamber, and the sewage cavity region below the water hole minimum point forms debris receiver, and water hole is most
Filter medium is filled with water purification cavity region below high point, the water-purifying cavity more than the filter medium and the draining pump
Water inlet pipe be connected.
In order to slow down impact of the import water flow velocity in contraminated zone to bottom precipitation debris, avoid turning over blocking water hole on debris,
The vertical demarcation strip is located at soil chamber entrance, and is obliquely installed at entrance location along current direction.
In order to accurately control the temperature change of freezing-thawing test case, the temperature sensor includes rock sample TEMP
Device, freezing-thawing test case room temperature sensor and freezing-thawing test case tank wall temperature sensor.
For the ease of controlling liquid level, the first liquid level sensor is provided with the storage tank.
For the ease of heating and controlling liquid level, secondary heater and the second level sensing are provided with the freezing-thawing test case
Device.
Self-cleaning rock freeze thawing automatic test device provided by the utility model, simple in construction, easy to use, casing
Interior freeze-thawing experiment condition uses Automated condtrol, reduces human error；Heating and cooling are rapid, greatly reduce
Energy consumption is tested, improves experiment accuracy；Meanwhile there is provided self-cleaning to cross water installations, hot water clean water quality degree can be improved,
Prevent water pump from blocking and damaging, improve service life of equipment.
Brief description of the drawings
Fig. 1 is surface structure schematic diagram of the present utility model.
Fig. 2 is Fig. 1 internal structure schematic diagram.
Fig. 3 is the structural representation that automatically cleaning crosses water installations in Fig. 2.
Embodiment
As shown in Figure 1, 2, self-cleaning rock freeze thawing automatic test device described in the utility model, including with liquid
The casing of brilliant control panel, freezing-thawing test case 1, refrigeration system, heating system and control system are provided with casing.
Temperature sensor 2 is provided with stainless steel freezing-thawing test case 1, for the temperature in multi-faceted grasp freezing-thawing test case
Situation, the accurate temperature change for controlling freezing-thawing test case, temperature sensor 2 include rock sample temperature sensor, freezing-thawing test
Case room temperature sensor and freezing-thawing test case tank wall temperature sensor.Refrigeration system includes compressor, evaporator, blower fan etc.,
Its cold wind outlet 3, for reducing the temperature of freezing-thawing test case 1, reaches -20 ± 2 DEG C of progress rocks positioned at the top of freezing-thawing test case 1
The freezing of test specimen.Heating system includes the insulation water storage for being used to store melting process hot water positioned at the lower section of freezing-thawing test case 1
Case 4.1, primary heater 4.2 is provided with storage tank 4.1, the Inlet and outlet water being arranged between storage tank 4.1 and freezing-thawing test case 1
Corresponded to respectively on pipeline and be communicated with water injecting pump 4.3 and draining pump 4.4.In use, 4.1 a certain amount of water of injection in storage tank,
Open primary heater 4.2 to be heated, be incubated after reaching assigned temperature；When needing to heat rock sample,
Hot water is injected by freezing-thawing test case 1 by water injecting pump 4.3, after melting process terminates, draining pump 4.4 is by hot water from freezing-thawing test case
Drawn back in 1 into storage tank 4.1.
In order to prevent the heat from the discharge of the bottom of freezing-thawing test case 1 from adding water slug inlet and outlet pipe and the damage pump housing, in freeze thawing
The bottom of chamber 1 is provided with automatically cleaning and crosses water installations 5.As shown in figure 3, the inner chamber of housing 5.1 that automatically cleaning crosses water installations passes through
Vertical demarcation strip 5.2 divides is less than the bottom plate of water-purifying cavity 5.4, sewage for soil chamber 5.3 and water-purifying cavity 5.4, the bottom plate of soil chamber 5.3
The import of chamber 5.3 is connected with freezing-thawing test case 1, and water-purifying cavity 5.4 is by being opened in the water hole of the vertical bottom of demarcation strip 5.2
5.5 are connected with soil chamber 5.3, and the region of soil chamber 5.3 below the minimum point of water hole 5.5 forms debris receiver 5.6, cross water
Filter medium 5.7 is filled with the region of water-purifying cavity 5.4 below the peak of hole 5.5, close to the water-purifying cavity of filter medium more than 5.7
It is connected with the water inlet pipe 4.5 of draining pump 4.4.When draining pump 4.4 is drawn water, the hot water in freezing-thawing test case 1 initially enters
Soil chamber 5.3, contained debris fall into bottom debris receiver 5.6 through precipitation, and the hot water after above-mentioned preliminary filtering passes through perpendicular
Enter water-purifying cavity 5.4 to the water hole 5.5 on demarcation strip 5.2, and secondary filter, the heat after purification are carried out by filter medium 5.7
Water enters in the water-purifying cavity 5.4 of the top of filter medium 5.7, and is evacuated to by draining pump 4.4 in storage tank 4.1.
In order to slow down impact of the import water flow velocity in contraminated zone to bottom precipitation debris, avoid turning over blocking water hole on debris,
The vertical demarcation strip 5.2 is arranged at the entrance of soil chamber 5.3, and the vertical top of demarcation strip 5.2 is obliquely installed along current direction.
For the ease of controlling liquid level, the first liquid level sensor 4.6 is provided with storage tank 4.1.For the ease of heating and controlling liquid level, freeze
Melt and the liquid level sensor 1.2 of secondary heater 1.1 and second is provided with chamber 1.
When carrying out rock freezing-thawing test using the utility model, follow the steps below：
1st, before freezing-thawing test starts, work is ready, sample is subjected to immersion treatment according to the regulation time.
2nd, it will soak in the sample loading sample box completed and put freezing-thawing test case 1 into, startup power supply, pass through LCD Controlling
Panel setting cryogenic temperature, melt temperature, freeze thawing time and freezing-thawing cycles, make system start to work automatically.
When the 3rd, being freezed, control system starts refrigeration system, and cold wind outlet 3 continues blowing cold air, makes freezing-thawing test
It is maintained at -20 DEG C ± 2 DEG C in case 1, and self-clocking 4 hours.
4th, after freezing terminates, control system closes refrigerating plant, and the is set in freezing-thawing test case 1 according to sample placement amount
The level value of two liquid level sensors 1.2, while make startup water injecting pump 4.3, hot water is filled into freezing-thawing test case 1, makes hot water
Exchanged with the rock sample concurrent heat that is in contact, and make freezing-thawing test case the methods of by changing hot water temperature or continuous water-pumping/draining
Temperature in 1 is maintained at 20 DEG C ± 2 DEG C, and continues 4 hours.
5th, melt after terminating, control system starts refrigeration system, and by draining pump 4.4 by hot water from freezing-thawing test case
Storage tank 4.1 is evacuated in 1 completely.
6th, device is crossed in water installations 5 to automatically cleaning and stored in debris receiver 5.6 after the Frozen-thawed cycled of stipulated number
Debris cleared up.
Claims (5)
1. a kind of self-cleaning rock freeze thawing automatic test device, including casing, freezing-thawing test case is provided with the casing
（1）, refrigeration system, heating system and control system, the freezing-thawing test case（1）Inside it is provided with temperature sensor（2）, the system
The cold wind outlet of cooling system（3）Positioned at freezing-thawing test case（1）Top, the heating system include being located at freezing-thawing test case（1）Under
The storage tank of side（4.1）, the storage tank（4.1）Inside it is provided with primary heater（4.2）, it is arranged on storage tank（4.1）And jelly
Melt chamber（1）Between inlet and outlet pipe on respectively correspond to be communicated with water injecting pump（4.3）And draining pump（4.4）, its feature exists
In：The freezing-thawing test case（1）Bottom be provided with automatically cleaning and cross water installations（5）, the automatically cleaning crosses the housing of water installations
（5.1）Inner chamber passes through vertical demarcation strip（5.2）It is divided into soil chamber（5.3）And water-purifying cavity（5.4）, the soil chamber（5.3）Bottom
Plate is less than water-purifying cavity（5.4）Bottom plate, soil chamber（5.3）Import and freezing-thawing test case（1）It is connected, water-purifying cavity（5.4）It is logical
Cross and be opened in vertical demarcation strip（5.2）The water hole of bottom（5.5）With soil chamber（5.3）It is connected, the water hole（5.5）Most
Soil chamber below low spot（5.3）Region forms debris receiver（5.6）, water hole（5.5）Water-purifying cavity below peak
（5.4）Filter medium is filled with region（5.7）, close to the filter medium（5.7）Water-purifying cavity above and the draining pump
（4.4）Water inlet pipe（4.5）It is connected.
2. self-cleaning rock freeze thawing automatic test device according to claim 1, it is characterised in that：Described vertical point
Dividing plate（5.2）Positioned at soil chamber（5.3）Structure at entrance location to be obliquely installed along current direction.
3. self-cleaning rock freeze thawing automatic test device according to claim 1, it is characterised in that：The temperature passes
Sensor（2）Passed including rock sample temperature sensor, freezing-thawing test case room temperature sensor and freezing-thawing test case tank wall temperature
Sensor.
4. self-cleaning rock freeze thawing automatic test device according to claim 1, it is characterised in that：The storage tank
（4.1）Inside it is provided with the first liquid level sensor（4.6）.
5. self-cleaning rock freeze thawing automatic test device according to claim 1, it is characterised in that：The freeze thawing examination
Tryoff（1）Inside it is provided with secondary heater（1.1）With the second liquid level sensor（1.2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720896760.4U CN206945582U (en) | 2017-07-24 | 2017-07-24 | Self-cleaning rock freeze thawing automatic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720896760.4U CN206945582U (en) | 2017-07-24 | 2017-07-24 | Self-cleaning rock freeze thawing automatic test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945582U true CN206945582U (en) | 2018-01-30 |
Family
ID=61371488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720896760.4U Withdrawn - After Issue CN206945582U (en) | 2017-07-24 | 2017-07-24 | Self-cleaning rock freeze thawing automatic test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206945582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144594A (en) * | 2017-07-24 | 2017-09-08 | 黄河勘测规划设计有限公司 | Self-cleaning rock freeze thawing automatic test device |
-
2017
- 2017-07-24 CN CN201720896760.4U patent/CN206945582U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144594A (en) * | 2017-07-24 | 2017-09-08 | 黄河勘测规划设计有限公司 | Self-cleaning rock freeze thawing automatic test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450003 No. 109 Jinshui Road, Jinshui District, Henan, Zhengzhou Patentee after: YELLOW RIVER ENGINEERING CONSULTING Co.,Ltd. Address before: 450003 No. 109 Jinshui Road, Jinshui District, Henan, Zhengzhou Patentee before: YELLOW RIVER ENGINEERING CONSULTING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180130 Effective date of abandoning: 20230714 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180130 Effective date of abandoning: 20230714 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |