CN2436935Y - Standard holding box for cement specimen - Google Patents
Standard holding box for cement specimen Download PDFInfo
- Publication number
- CN2436935Y CN2436935Y CN 00237697 CN00237697U CN2436935Y CN 2436935 Y CN2436935 Y CN 2436935Y CN 00237697 CN00237697 CN 00237697 CN 00237697 U CN00237697 U CN 00237697U CN 2436935 Y CN2436935 Y CN 2436935Y
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- water
- temperature
- curing
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- test sample
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Abstract
The utility model relates to a standard curing box for a cement specimen, which comprises a box body, and the inner part of the box body is provided with a grate plate, a humidifier, a heater, a fan, a heat exchanger and a temperature sensor. The utility model is characterized in that the inner part of the box body at least is provided with a curing water trough which is composed of a water trough, a water pump which is arranged in the water trough and has the function of heating, the heat exchanger, a cold source and a water temperature sensor and a temperature controlling device. The curing box has the advantages of scientific design and reasonable structure, makes reasonably the mould curing of the cement specimen and the water curing after the mould is disengaged integrated into one body, has the functional characteristics that the air temperature and humidity are adjusted automatically and the water temperature is adjusted automatically in high accuracy, and can meet completely the needs of the mould curing of the cement specimen in the air and the water curing of the cement specimen after the mould is disengaged.
Description
The utility model relates to a kind of automatic adjusting air themperature and humidity and regulates the equipment of water temperature automatically, especially a kind of cement test sample cement test sample standard curing case of maintenance in the water after curing in the mold and the demoulding in air that is applicable to.
The domestic and international cement test sample standard curing case of producing (hereinafter to be referred as existing curing box) all only is suitable for cement test sample curing in the mold in air at present.And after the demoulding in the water maintenance generally all carry out in the tank in fog room.The cost and the power consumption of fog room are much higher than curing box.The compressor refrigeration system of existing curing box exists the shortcoming that thermal inertia is big, temperature-controlled precision is low, and when actual temperature height and design temperature, automatic temperature control circuit makes it begin refrigeration, and it will just can make temperature begin to descend after a while; Be lower than setting value and work as temperature, when automatic temperature control circuit made it stop to freeze, the refrigerant in its evaporator also can continue evaporation, made that temperature continues to descend, and the refrigerant in evaporator evaporates.Be to improve temperature-controlled precision, compressor must frequent starting, has both made like this, and temperature-controlled precision also is difficult to satisfy request for utilization, and high frequent starts and can reduce compressor refrigeration system serviceable life.
The purpose of this utility model is the defective that exists at above-mentioned cement test sample standard curing case, provide a kind of collect after the cement test sample curing in the mold and the demoulding maintenance in the water in one, have higher temperature-controlled precision, and can avoid the cement test sample standard curing case of refrigeration compressor frequent starting.
Cement test sample standard curing case of the present utility model, comprise: one has casing door, that have the insulation interlayer, top in the casing is equipped with grate plate, in the anterior air channel humidifier is housed, well heater, fan, heat interchanger and temperature sensor are housed in the air channel, rear portion, curing box also has refrigeration compressor and electric cabinet, it is characterized in that: be provided with maintenance tank and temperature regulating device that a cover is made of tank, the water pump that is arranged on tool heating function in the tank, heat interchanger, low-temperature receiver and cooling-water temperature sensor in the casing at least.
The tricks of built-in maintenance tank of cement test sample standard curing case and temperature regulating device can be determined to be provided with according to the size of curing box and the requirement of examination body quantity.
Described low-temperature receiver has the cavity that a corrosion resistant metal material is made, and the evaporator made from copper pipe is equipped with in its inside, is full of water in the cavity, and evaporator is fully immersed in the water.
The principle of work of the utility model cement test sample standard curing case: 1) two kinds of functions of maintenance the water after structure has satisfied the curing in the mold of cement test sample and the demoulding; 2) it accelerates the heat interchange between air and the low-temperature receiver by the circulation and the stirring of air in the fan realization case; Realize the stirring of water in heat interchange between the water and low-temperature receiver in the tank and the temperature control process again by micro pump, the temperature of sky G﹠W is become evenly and fluctuation range very little; 3) low-temperature receiver itself obtain to have the uniform temperature fluctuation range by the principle of work of common refrigeration system low temperature (for example, with common refrigerator refrigeration system sink temperature is controlled at 5～10 ℃), and low-temperature receiver is air and water for cooling in the casing again, makes its temperature remain on temperature required (for example 20 ℃ ± 1 ℃).Because the low-temperature receiver that this curing box adopts has bigger thermal capacity, does not need higher temperature-controlled precision again, so refrigeration compressor can frequent starting, this helps prolonging the serviceable life of compressor.
Cement test sample standard curing case design science of the present utility model, rational in infrastructure, it reasonably is integrated in one maintenance in the water after the cement test sample curing in the mold and the demoulding, and have the automatic adjusting air themperature of degree of precision and humidity, regulate the functional characteristics of water temperature automatically, can satisfy the requirement of maintenance in the water after curing in the mold and the demoulding in air of GB/T17671-1999 (ISO method) cement test sample fully.
The concrete structure of cement test sample standard curing case of the present utility model is provided in detail by the following drawings and embodiment.
Fig. 1 is this structure of cement test sample standard curing case cross-sectional schematic.
Fig. 2 is the low-temperature receiver structural representation of cement test sample standard curing case shown in Figure 1.
Embodiment: can be clear that from Fig. 1, cement test sample standard curing case has a casing 1 that has door, and its door and cabinet shell have the insulation interlayer, adopts 2 sealings of magnetic seal adhesive tape between door and the casing main body, in the outside of casing 1 electric cabinet 3 is housed, refrigeration compressor 4.Front and rear in casing 1 all leaves the gap as the air channel; Top in the casing 1 is provided with for placing the grate plate 16 that the curing in the mold cement test sample is used; In the anterior air channel in the casing 1 humidifier 15 is installed; In the air channel, rear portion in the casing 1 temperature sensor 5 is installed, small fan 6, well heater 7 is used for the heat interchanger 9 of air cooling-down; The bottom that maintenance tank that is made of water pump 11, tank 12 and the cooling-water temperature sensor 13 of low-temperature receiver 8, the heat interchanger 10 that is used for water for cooling, tool heating function and temperature regulating device are arranged on grate plate 16.For making the water temperature of injecting tank 12 constant relatively, also being provided with one in the casing 1 can be to the buffer tank 14 of tank 12 automatic water fillings.Described low-temperature receiver 8 (see figure 2)s have the cavity 17 that a corrosion resistant metal material is made, and the evaporator made from copper pipe 18 is equipped with in its inside, has water filling port 19 on the cavity 17, fills with water in the cavity 17, and evaporator 18 is immersed in the water.
The principle of work of curing box is as follows: certain space is all reserved as the air channel in the inside of casing 1, the front and back of water tank 14.Fan 6 is started working from curing box and is just gyrated, and makes in the case air themperature even.Low-temperature receiver 8 and heat interchanger 9 reduce air themperature lentamente, in case temperature is lower than the lower limit (for example 19.5 ℃) of design temperature, sensor 5 and electric cabinet 3 can make atmosphere temperature rising by control heater 7, reach the purpose of constant temperature.Water pump 11 in the tank 12 can flow back into water jet in the tank 12 in heat interchanger 10 again.Because water pump 11 has heating function, water pump 11 and inner well heater thereof are subjected to sensor 13 and electric cabinet 3 controls, in a single day water temperature in tank 12 is higher than go up (for example 20.5 ℃) in limited time of design temperature, water pump 11 start working (its inner well heater is not worked), water temperature in the tank 12 begins slow decline, prescribe a time limit when water temperature is lower than going up of design temperature, water pump 11 quits work.When in a single day water temperature is lower than the lower limit (for example 19.5 ℃) of design temperature, water pump 11 work, and its inner well heater also works simultaneously, and the water in the tank 12 is heated up, and reaches the purpose that makes water termostat.Humidifier 15 is subjected to the control of electric cabinet 3, is not less than 90% with air humidity in the guard box.Humidifier can adopt the humidifier of ultrasonic humidifier, mechanical type humidifier or modes such as regularly spraying, spray.
Claims (4)
1, a kind of cement test sample standard curing case, comprise: one have the door, casing (1) with insulation interlayer, grate plate (16) is installed in the casing (1), in the anterior air channel humidifier (15) is housed, well heater (7) is housed in the air channel, rear portion, fan (6), heat interchanger (9) and temperature sensor (5), curing box also has refrigeration compressor (4) and electric cabinet (3), it is characterized in that: be provided with a cover in the casing (1) at least by tank (12), be arranged on the water pump (11) of tool heating function in the tank (12), heat interchanger (10), maintenance tank and temperature regulating device that low-temperature receiver (8) and cooling-water temperature sensor (13) constitute.
2, cement test sample standard curing case according to claim 1, it is characterized in that: described low-temperature receiver (8) has the cavity (17) that a metal material is made, the evaporator made from copper pipe (18) is equipped with in its inside, being marked with in the cavity (17) can be with the water of evaporator (18) submergence, and cavity (17) is provided with water filling port (19).
3, cement test sample standard curing case according to claim 1 is characterized in that: also being provided with one in the casing (1) can be to the buffer tank (14) of the automatic water filling of tank (12).
4, cement test sample standard curing case according to claim 1, it is characterized in that: maintenance tank and temperature regulating device are arranged on the bottom of grate plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00237697 CN2436935Y (en) | 2000-06-29 | 2000-06-29 | Standard holding box for cement specimen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00237697 CN2436935Y (en) | 2000-06-29 | 2000-06-29 | Standard holding box for cement specimen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2436935Y true CN2436935Y (en) | 2001-06-27 |
Family
ID=33598902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00237697 Expired - Fee Related CN2436935Y (en) | 2000-06-29 | 2000-06-29 | Standard holding box for cement specimen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2436935Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888898B (en) * | 2005-06-30 | 2010-06-16 | 中国石油化工股份有限公司 | Cement paste antivibrating curing box |
| CN101947810A (en) * | 2010-06-25 | 2011-01-19 | 江苏省交通科学研究院股份有限公司 | Concrete sample curing room |
| CN103063695A (en) * | 2012-12-28 | 2013-04-24 | 苏州市东华试验仪器有限公司 | Test chamber for ruggedness of sandstone material |
| CN103072200A (en) * | 2013-02-20 | 2013-05-01 | 无锡职业技术学院 | Water curing equipment and curing method for concrete |
| CN105082336A (en) * | 2015-09-11 | 2015-11-25 | 湖州华科建设工程质量检测有限公司 | Constant-temperature and constant-humidity maintaining box with filtering device |
| CN107901200A (en) * | 2017-11-14 | 2018-04-13 | 北京筑之杰建筑工程检测有限责任公司 | It is a kind of can accurate temperature controlling cement briquette curing box and its temperature control method |
-
2000
- 2000-06-29 CN CN 00237697 patent/CN2436935Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888898B (en) * | 2005-06-30 | 2010-06-16 | 中国石油化工股份有限公司 | Cement paste antivibrating curing box |
| CN101947810A (en) * | 2010-06-25 | 2011-01-19 | 江苏省交通科学研究院股份有限公司 | Concrete sample curing room |
| CN101947810B (en) * | 2010-06-25 | 2012-07-18 | 江苏省交通科学研究院股份有限公司 | Concrete sample curing room |
| CN103063695A (en) * | 2012-12-28 | 2013-04-24 | 苏州市东华试验仪器有限公司 | Test chamber for ruggedness of sandstone material |
| CN103072200A (en) * | 2013-02-20 | 2013-05-01 | 无锡职业技术学院 | Water curing equipment and curing method for concrete |
| CN103072200B (en) * | 2013-02-20 | 2014-09-10 | 无锡职业技术学院 | Water curing equipment and curing method for concrete |
| CN105082336A (en) * | 2015-09-11 | 2015-11-25 | 湖州华科建设工程质量检测有限公司 | Constant-temperature and constant-humidity maintaining box with filtering device |
| CN105082336B (en) * | 2015-09-11 | 2017-06-16 | 海安华厚电子科技有限公司 | A kind of constant-temp. and-moisture maintenance with filter |
| CN107901200A (en) * | 2017-11-14 | 2018-04-13 | 北京筑之杰建筑工程检测有限责任公司 | It is a kind of can accurate temperature controlling cement briquette curing box and its temperature control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |