CN203990662U - Standard moisture absorption moisture content experiment climatic chamber - Google Patents
Standard moisture absorption moisture content experiment climatic chamber Download PDFInfo
- Publication number
- CN203990662U CN203990662U CN201420179292.5U CN201420179292U CN203990662U CN 203990662 U CN203990662 U CN 203990662U CN 201420179292 U CN201420179292 U CN 201420179292U CN 203990662 U CN203990662 U CN 203990662U
- Authority
- CN
- China
- Prior art keywords
- solution tank
- casing
- climatic chamber
- control equipment
- moisture absorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 18
- 238000002474 experimental method Methods 0.000 title claims abstract description 10
- 239000000243 solution Substances 0.000 claims abstract description 33
- 239000012266 salt solution Substances 0.000 claims abstract description 16
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 8
- 239000002689 soil Substances 0.000 abstract description 7
- 238000011835 investigation Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003020 moisturizing effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model belongs to soil investigation, soil exploration experimental technique field, is specifically related to a kind of standard moisture absorption moisture content experiment climatic chamber.It comprises casing, described box house is provided with porous shelf and solution tank, in described solution tank, saturated salt solution is housed, described porous shelf is positioned at solution tank top, described solution tank bottom is provided with side by side many and heats pipe, described box house sidewall is provided with many refrigerator pipes side by side, and described casing outside is provided with temperature control equipment, described temperature control equipment respectively with heat pipe and refrigerator pipes be electrically connected to.The utility model temperature control equipment, heats and freezes casing back and bottom respectively, temperature constant in control cabinet; Simultaneously in the bottom of casing, solution tank is set, saturated salt solution is injected in the inside, by injecting different saturated salt solutions, provides required constant humidity, has guaranteed that temperature constant, humidity are constant, have improved test accuracy.
Description
Technical field
The utility model belongs to soil investigation, soil exploration experimental technique field, is specifically related to a kind of standard moisture absorption moisture content experiment climatic chamber, relates to soil test middle expansive soils standard moisture absorption water ratio test test apparatus equipment used.
Background technology
The domestic development as far back as highway industry of swelled ground standard moisture absorption water ratio test, has included highway earthwork test rule at present in, adopts original state humidity sample.In < < highway earthwork test rule > > (JTGE40-2007), there are two kinds of methods.The one, adopt dry cylinder method, advantage is that humidity can accurately be controlled, and shortcoming is that temperature is controlled room temperature by air-conditioning, and power consumption is large, and temperature is not easy to stablize, and excursion is large; The 2nd, adopt climatic chamber method, advantage is the control that temperature can be more accurate, not enough, adopts spray steam to carry out moisturizing on method for moisturizing, and humidity is inhomogeneous, and steam, the water droplet of generation have impact to sample.In CN1544911A, disclose a kind of measurement mechanism of soil maximum moisture absorption water content rate, its device adopts saturated salt solution controlled humidity, but the control of its temperature by room temperature environment, controlled, consume energy higher, control effect is poor.
Summary of the invention
The purpose of this utility model is exactly the deficiency existing in order to solve above-mentioned background technology, and a kind of standard moisture absorption moisture content experiment climatic chamber that can accurately control swelled ground temperature and humidity is provided.
The technical solution adopted in the utility model is: a kind of standard moisture absorption moisture content experiment climatic chamber, comprise casing, described box house is provided with porous shelf and solution tank, in described solution tank, saturated salt solution is housed, described porous shelf is positioned at solution tank top, and described solution tank bottom is provided with side by side many and heats pipe, and described box house sidewall is provided with many refrigerator pipes side by side, described casing outside is provided with temperature-controlled cabinet, described temperature-controlled cabinet respectively with heat pipe and refrigerator pipes be electrically connected to.
Further, described box body wall inside is provided with warm and humid circulation airduct, described box house top is provided with circulating fan, described circulating fan is arranged on the air intake vent place of warm and humid circulation airduct, described warm and humid circulation airduct air outlet extends to solution tank top, and described circulating fan is electrically connected to temperature control equipment.The gauge tap of a circulating fan is installed on temperature control equipment, opening switch during work, circulating fan just starts to collect the gas on whole casing top, then, by warm and humid circulation airduct, passes to solution tank surface, above solution tank, rise again, be recycled fan and suck, enter warm and humid circulation airduct, so circulation, by circulating fan, uninterruptedly gas in casing is circulated, further guaranteed the evenly constant of the interior humiture of case.
Further, described casing outside is provided with storage tank, and described storage tank is communicated with solution tank by pipeline, and described pipeline is provided with control valve.By storage tank and control valve, control the water level of saturated salt solution, preventing after swelled ground moisture absorption that water level reduces affects humidity.
Further, described box house is also provided with temperature sensor and humidity sensor, described temperature sensor and humidity sensor are all electrically connected to temperature control equipment, by temperature sensor and humidity sensor Real-Time Monitoring, show the temperature and humidity in casing, realize the accurate control to temperature and humidity in casing.
Further, described tank surface is provided with thermal insulation layer.
Further, described casing exterior base is also provided with support foot pad, supports foot pad casing and ground are separated, and prevents that bottom half from crossing and closely affecting temperature in casing apart from ground.
The utility model, in airtight casing, by a temperature control equipment is installed, heats and freezes wall box and bottom respectively, temperature constant in control cabinet; In the bottom of casing, solution tank is set, saturated salt solution is injected in the inside, by injecting different saturated salt solutions simultaneously, required constant humidity is provided, guaranteed that temperature constant, humidity are constant, avoided the impact of spray on sample in moisture-keeping maintaining, improved test accuracy.
Accompanying drawing explanation
Fig. 1 is schematic cross section of the present utility model.
Fig. 2 is vertical section of the present utility model schematic diagram.
Wherein: 1-casing; 2-thermal insulation layer; The warm and humid circulation airduct of 3-; 4-porous shelf; 5-solution tank; 6-saturated salt solution; 7-supports feet; 8-heats pipe; 9-control valve; 10-storage tank; 11-temperature control equipment; 12-temperature gauge head; 13-humidity gauge head; 14-circulating fan; 15-refrigerator pipes; 16-door-plate.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form and limit the utility model.
As shown in Figure 1 and Figure 2, the utility model comprises casing 1, and described casing 1 inside is provided with porous shelf 4 and solution tank 5, in described solution tank 5, saturated salt solution 6 is housed, and described porous shelf 4 is positioned at solution tank 5 tops, for placing swelled ground sample.Described solution tank 5 bottoms be provided with side by side many heat pipe 8, described casing 1 internal side wall is provided with many refrigerator pipes 15 side by side, described casing 1 outside is provided with temperature control equipment 11, described temperature control equipment 11 respectively with heat pipe 8 and refrigerator pipes 15 be electrically connected to.By a temperature control equipment is installed, temperature control equipment is compressor and temperature-controlled cabinet, heat respectively pipe 8 and 15 pairs of casing 1 sidewalls of refrigerator pipes and bottom and heat and freeze, by temperature control equipment 11, control the interior temperature of casing 1, can be constant in 20 ± 1 ℃.Bottom in casing 1 inside arranges solution tank 5, and saturated salt solution 6 is injected in the inside, by injecting different saturated salt solutions, provides required constant humidity.
In the present embodiment, casing 1 surface is provided with thermal insulation layer 2, described box body wall inside is provided with warm and humid circulation airduct 3, described casing 1 inside top is provided with circulating fan 14, described circulating fan 14 is arranged on the air intake vent place of warm and humid circulation airduct 3, described warm and humid circulation airduct 3 air outlets extend to solution tank 5 tops, and described circulating fan 14 is electrically connected to temperature control equipment 11.The gauge tap of a circulating fan 14 is installed on temperature control equipment 11, opening switch during work, circulating fan 14 just starts to collect the gas on whole casing top, then by warm and humid circulation airduct 3, pass to solution tank 5 surfaces, then rise above solution tank 5, be recycled fan 14 and suck, enter warm and humid circulation airduct 3, so circulation, uninterruptedly circulates to the interior gas of casing 1 by circulating fan 14, has further guaranteed the evenly constant of the interior humiture of case.
In the present embodiment, casing 1 outside is provided with storage tank 10, described storage tank 10 is communicated with solution tank 5 by pipeline, the pipeline being communicated with is provided with control valve 9, this control valve is automatic water level control valve, can how much automatically open or close according to the interior water level of solution tank 5, by storage tank 10 and control valve 9, control the water level of saturated salt solutions, preventing after swelled ground moisture absorption that water level reduces affects humidity.Casing 1 exterior base is also provided with and supports foot pad 7, supports foot pad 7 casing 1 and ground are separated, and prevents that bottom half from crossing near apart from ground and affecting temperature in casing.
In the present embodiment, box house is also provided with temperature sensor 12 and humidity sensor 13, the equal temperature control equipment 10 of described temperature sensor 12 and humidity sensor 13 is electrically connected to, by temperature sensor 12 and humidity sensor 13 Real-Time Monitorings, show the temperature and humidity in casing, realize the accurate control to casing 1 interior temperature and humidity.
During use, first the saturated salt solution preparing (should keep 30-90% salt not dissolve) is injected to solution tank 5, put into casing 1, close the door-plate 16 of casing 1 side; Then open casing power supply, preheating 30 minutes, keeps the interior temperature constant of casing at 20 ± 1 ℃; The swelled ground sample to be measured of drying is weighed again, be loaded in aluminium box, open aluminium lid, be put on the porous barrier in steady temperature, humidity casing, moisturizing absorbs water to steady quality; Place after certain hour, take out the aluminium box that sample is housed of constant mass, cover aluminium lid, weigh quality, calculate moisture absorption water content rate.Humidity standard in the time of 20 ℃ under saturated salt solution environment is as follows: potash relative humidity is 43.2 ± 0.4%; Sodium bromide 59.1 ± 0.5%; KI 69.9 ± 0.3%; Sodium fluoride 75.5 ± 0.2%; Potassium fluoride 85.1 ± 0.3%; Potassium sulfate 97.6 ± 0.6%.
The content not being described in detail in this description belongs to the known prior art of professional and technical personnel in the field.
Claims (6)
1. a standard moisture absorption moisture content is tested climatic chamber, it is characterized in that: comprise casing (1), described casing (1) inside is provided with porous shelf (4) and solution tank (5), saturated salt solution (6) is housed in described solution tank (5), described porous shelf (4) is positioned at solution tank (5) top, described solution tank (5) bottom is provided with side by side many and heats pipe (8), described casing (1) internal side wall is provided with many refrigerator pipes (15) side by side, described casing (1) outside is provided with temperature control equipment (10), described temperature control equipment (10) respectively with heat pipe (8) and refrigerator pipes (15) is electrically connected to.
2. standard moisture absorption moisture content according to claim 1 is tested climatic chamber, it is characterized in that: described casing (1) pars intramuralis is provided with warm and humid circulation airduct (3), described casing (1) inside top is provided with circulating fan (14), described circulating fan (14) is arranged on the air intake vent place of warm and humid circulation airduct (3), described warm and humid circulation airduct (3) air outlet extends to solution tank top, and described circulating fan (14) is electrically connected to temperature control equipment (10).
3. standard moisture absorption moisture content according to claim 1 is tested climatic chamber, it is characterized in that: described casing (1) outside is provided with storage tank (10), described storage tank (10) is communicated with solution tank (5) by pipeline, and described pipeline is provided with control valve (9).
4. standard moisture absorption moisture content according to claim 1 is tested climatic chamber, it is characterized in that: described casing (1) inside is also provided with temperature sensor (12) and humidity sensor (13), described temperature sensor (12) and humidity sensor (13) all temperature control equipment (10) are electrically connected to.
5. standard moisture absorption moisture content experiment climatic chamber according to claim 1, is characterized in that: described casing (1) surface is provided with thermal insulation layer (2).
6. standard moisture absorption moisture content experiment climatic chamber according to claim 1, is characterized in that: described casing (1) exterior base is also provided with and supports foot pad (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179292.5U CN203990662U (en) | 2014-04-14 | 2014-04-14 | Standard moisture absorption moisture content experiment climatic chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179292.5U CN203990662U (en) | 2014-04-14 | 2014-04-14 | Standard moisture absorption moisture content experiment climatic chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203990662U true CN203990662U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420179292.5U Expired - Lifetime CN203990662U (en) | 2014-04-14 | 2014-04-14 | Standard moisture absorption moisture content experiment climatic chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN203990662U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822245A (en) * | 2015-05-14 | 2015-08-05 | 中山市默拜尔网络科技有限公司 | Constant temperature maintaining structure of communication cabinet |
| CN105115796A (en) * | 2015-07-21 | 2015-12-02 | 中南大学 | Making device for soil samples/rock samples with different moisture contents |
| CN105403380A (en) * | 2015-11-19 | 2016-03-16 | 深圳大学 | Humidity test box for miniature optical fiber device |
| CN106234260A (en) * | 2016-08-31 | 2016-12-21 | 北京依科世福科技有限公司 | A kind of bee larvae hatching test device and construction method |
| CN107329432A (en) * | 2017-07-24 | 2017-11-07 | 东北农业大学 | Full-automatic maximum hygroscopicits analyzer |
| CN111077266A (en) * | 2018-10-19 | 2020-04-28 | 中国石油天然气股份有限公司 | Device and method for testing moisture absorption performance of refrigerating machine oil |
| CN111175169A (en) * | 2019-12-31 | 2020-05-19 | 中国地质大学（北京） | Rock wettability evaluation method |
| CN111420716A (en) * | 2020-04-10 | 2020-07-17 | 浙江工业大学 | Test box capable of controlling temperature and humidity of experimental environment and control method |
-
2014
- 2014-04-14 CN CN201420179292.5U patent/CN203990662U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822245A (en) * | 2015-05-14 | 2015-08-05 | 中山市默拜尔网络科技有限公司 | Constant temperature maintaining structure of communication cabinet |
| CN105115796A (en) * | 2015-07-21 | 2015-12-02 | 中南大学 | Making device for soil samples/rock samples with different moisture contents |
| CN105115796B (en) * | 2015-07-21 | 2017-09-22 | 中南大学 | A kind of different water cut soil sample/rock sample producing device |
| CN105403380A (en) * | 2015-11-19 | 2016-03-16 | 深圳大学 | Humidity test box for miniature optical fiber device |
| CN105403380B (en) * | 2015-11-19 | 2018-04-13 | 深圳大学 | A kind of miniature fiber device humidity measurement case |
| CN106234260A (en) * | 2016-08-31 | 2016-12-21 | 北京依科世福科技有限公司 | A kind of bee larvae hatching test device and construction method |
| CN107329432A (en) * | 2017-07-24 | 2017-11-07 | 东北农业大学 | Full-automatic maximum hygroscopicits analyzer |
| CN107329432B (en) * | 2017-07-24 | 2023-11-07 | 东北农业大学 | Full-automatic maximum moisture absorption water tester |
| CN111077266A (en) * | 2018-10-19 | 2020-04-28 | 中国石油天然气股份有限公司 | Device and method for testing moisture absorption performance of refrigerating machine oil |
| CN111175169A (en) * | 2019-12-31 | 2020-05-19 | 中国地质大学（北京） | Rock wettability evaluation method |
| CN111420716A (en) * | 2020-04-10 | 2020-07-17 | 浙江工业大学 | Test box capable of controlling temperature and humidity of experimental environment and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
|
| CX01 | Expiry of patent term |