CN204592868U - Low-temperature (low temperature) vessel static evaporation rate testing apparatus - Google Patents
Low-temperature (low temperature) vessel static evaporation rate testing apparatus Download PDFInfo
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- CN204592868U CN204592868U CN201520210507.XU CN201520210507U CN204592868U CN 204592868 U CN204592868 U CN 204592868U CN 201520210507 U CN201520210507 U CN 201520210507U CN 204592868 U CN204592868 U CN 204592868U
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- stop valve
- cylinder manifold
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- pipeline
- phase mouth
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Abstract
The utility model discloses a kind of low-temperature (low temperature) vessel static evaporation rate testing apparatus, comprise at least one test chamber, one fall liquid container, the bottle of falling liquid, the first cylinder manifold and second cylinder manifold; The stop valve that the gas phase mouth of test chamber is corresponding with on described first cylinder manifold is connected, and the stop valve that the liquid phase mouth of test chamber is corresponding with on described second cylinder manifold is connected; The gas phase mouth of liquid container is connected with the first pipeline assembly by the first stop valve, the liquid phase mouth of liquid container is connected with the first pipeline assembly by the second stop valve, first pipeline assembly is connected with the first cylinder manifold by the first pipeline, described first pipeline is provided with the 3rd stop valve, second pipe assembly is connected with the second cylinder manifold by second pipe, described second pipe is provided with the 4th stop valve.By the switching of valve, realize warm tank, fill, withdrawal liquid operation, solve liquid nitrogen loss large, fill the problems such as efficiency is low, filling limited amount.
Description
Technical field
The utility model relates to cryogenic engineering technical field, particularly relates to the device of a kind of low-temperature (low temperature) vessel static evaporation rate test.
Background technique
For guarantee low-temperature (low temperature) vessel dispatch from the factory before vacuum insulation performance, static evaporation rate test need be carried out to container.Prior art adopts storage vessel to filling liquid in test chamber usually, carries out static evaporation rate test.As shown in Figure 1, storage vessel, filling gun and test chamber is comprised for low-temperature (low temperature) vessel static evaporation rate testing apparatus at present.Working principle is: opened by storage vessel 1 liquid valve, and to be annotated in test chamber 3 test(ing) liquid by filling gun 2, whether detection experiment container is qualified.This device cannot carry out liquids recovery, only annotates for separate unit container simultaneously at every turn, cannot carry out bulge test; And because storage vessel pressure itself is lower, cause test to fill the time longer.
Summary of the invention
The purpose of this utility model to provide a kind of device filling efficiency low-temperature (low temperature) vessel static evaporation rate that is high, that can carry out batch filling and test.
For achieving the above object, the low-temperature (low temperature) vessel static evaporation rate testing apparatus designed by the utility model, comprise at least one test chamber, one fall liquid container, the bottle of falling liquid, the first cylinder manifold and second cylinder manifold; Described first cylinder manifold and the second cylinder manifold are provided with some stop valves, and the stop valve that the gas phase mouth of test chamber is corresponding with on described first cylinder manifold is connected, and the stop valve that the liquid phase mouth of test chamber is corresponding with on described second cylinder manifold is connected; The gas phase mouth of liquid container is connected with the first pipeline assembly by the first stop valve, the liquid phase mouth of liquid container is connected with the first pipeline assembly by the second stop valve, first pipeline assembly is connected with the first cylinder manifold by the first pipeline, described first pipeline is provided with the 3rd stop valve, first pipeline assembly is connected with the second cylinder manifold by second pipe, described second pipe is provided with the 4th stop valve; The gas phase mouth of the bottle of falling liquid is all connected with second pipe assembly with liquid phase mouth, described second pipe assembly is connected with the first cylinder manifold by the 3rd pipeline, described 3rd pipeline is provided with the 5th stop valve, described second pipe assembly is connected with the second cylinder manifold by the 4th pipeline, and described 4th pipeline is provided with the 6th stop valve.
Further, device is at least two, and the stop valve that wherein gas phase mouth of at least one test chamber is corresponding with on described second cylinder manifold is connected, and the stop valve that the liquid phase mouth of this test chamber is corresponding with on described first cylinder manifold is connected.
Further, also comprise at least one liquid storage bottle of falling liquid, the gas phase mouth of each liquid storage bottle of falling liquid is all communicated with described first pipeline assembly with liquid phase mouth.
Further, the end of described first pipeline assembly is also provided with the first bleeder valve, and the end of described second pipe assembly is provided with the second bleeder valve.
The utility model has following beneficial effect compared to prior art: by valve transfer, realizes warm tank, fills, withdrawal liquid operation, thus solve liquid nitrogen loss large, fill the problems such as efficiency is low, filling limited amount.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art for low-temperature (low temperature) vessel static evaporation rate testing apparatus;
Fig. 2 is the structural representation of the utility model steel low-temperature (low temperature) vessel static evaporation rate testing apparatus;
Wherein: storage vessel 1, filling gun 2, test chamber 3, liquid container 4, first stop valve 5, second stop valve 6, liquid storage falls liquid 7, 7th stop valve 8, the bottle of falling liquid 9, first bleeder valve 10, 3rd stop valve 11, 4th stop valve 12, 5th stop valve 13, first cylinder manifold 14, stop valve 15, stop valve 16, second cylinder manifold 17, stop valve 18, stop valve 19, first test chamber 20, second test chamber 21, 6th stop valve 22, first pipeline assembly 23, second pipe assembly 24, first pipeline 25, second pipe 26, 3rd pipeline 27, 4th pipeline 28, second bleeder valve 29.
Embodiment
Be low-temperature (low temperature) vessel static evaporation rate testing apparatus in prior art described in Fig. 1, done detailed introduction in the introduction, do not repeated them here.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Low-temperature (low temperature) vessel static evaporation rate testing apparatus shown in Fig. 2, comprise at least one test chamber, one fall liquid container 4, the bottle of falling liquid 9, first cylinder manifold 14, second cylinder manifold 17, at least one liquid storage and fall liquid 7, first bleeder valve 29 and the second bleeder valve 30.
First cylinder manifold 14 and the second cylinder manifold 17 are provided with some stop valves, when test chamber only has one, the stop valve that the gas phase mouth of test chamber is corresponding with on the first cylinder manifold 14 is connected, and the stop valve that the liquid phase mouth of test chamber is corresponding with on the second cylinder manifold 17 is connected.When test chamber is no less than two, the stop valve that wherein gas phase mouth of at least one test chamber is corresponding with on the second cylinder manifold 17 is connected, and the liquid phase mouth of this test chamber is connected with the first cylinder manifold 14; The stop valve that the gas phase mouth of at least one test chamber is corresponding with on described second cylinder manifold 17 is connected, and the stop valve that the liquid phase mouth of this test chamber is corresponding with on described first cylinder manifold 14 is connected; The stop valve that the gas phase mouth of other test chambers is corresponding with on the first cylinder manifold 14 is connected, the stop valve that the liquid phase mouth of this test chamber is corresponding with on the second cylinder manifold 17 is connected, certainly, the gas phase mouth of other test chambers also can be corresponding with on the second cylinder manifold 14 stop valve be connected, the stop valve that the liquid phase mouth of this test chamber is corresponding with on the first cylinder manifold 17 is connected, as long as wherein have at least the liquid phase mouth of a test chamber to be what to be connected with the gas phase mouth of other test chambers, thus realize mutually falling liquid; The gas phase mouth of liquid container 4 is connected with the first pipeline assembly 23 by the first stop valve 5, the liquid phase mouth of liquid container 4 is connected with the first pipeline assembly 23 by the second stop valve 6, first pipeline assembly 23 is connected with the first cylinder manifold 14 by the first pipeline 25, first pipeline 25 is provided with the 3rd stop valve 11, first pipeline assembly 23 is connected with the second cylinder manifold 17 by second pipe 26, second pipe 26 is provided with the 4th stop valve 14; The gas phase mouth of each liquid storage bottle of falling liquid 7 is all communicated with the first pipeline assembly 23 with liquid phase mouth; The gas phase mouth of the bottle of falling liquid 9 is all connected with second pipe assembly 24 with liquid phase mouth, second pipe assembly 24 is connected with the first cylinder manifold 14 by the 3rd pipeline 27,3rd pipeline 27 is provided with the 5th stop valve 13, second pipe assembly 24 is connected with the second cylinder manifold 17 by the 4th pipeline 28, the 4th pipeline 24 is provided with the 6th stop valve 22; The end of the first pipeline assembly 23 is provided with the first bleeder valve 10, and the end of second pipe assembly 24 is provided with the second bleeder valve 29.
Switch owing to being provided with stop valve, therefore, the first cylinder manifold 14 both can connect gas phase mouth also can connect liquid phase mouth, and equally, the second cylinder manifold 17 both can connect gas phase mouth also can connect liquid phase mouth.
As shown in Figure 2, the present embodiment has installed two test chambers 20,21, liquid container 4, bottle of falling liquid 9, liquid storage bottle of falling liquid 7.
Open the stop valve 15 on the first cylinder manifold 14, open the 7th stop valve 8, the 5th stop valve 13 and the first test chamber 20 atmospheric valve, carry out precooling with the bottle of falling liquid 9, when the bottle of falling liquid 9 pressure is 0MPa, close the 7th stop valve 8, the 5th stop valve 13.
Open the second stop valve 6, the 3rd stop valve 11, with falling liquid container 4 to the first test chamber 20 topping up, after required quantity of fluid of annotating, close the stop valve 15 on the second stop valve 6, the 3rd stop valve 11 and the first cylinder manifold, whether qualifiedly detect the first test chamber 20.
Detect the first test chamber 20 simultaneously, close liquid container 4 pressure charging valve, open stop valve 19, first stop valve 5 on the second cylinder manifold and the 4th stop valve 12, with fall liquid container 4 precooling is carried out to the second test chamber 21, when liquid container 4 pressure is 0MPa, close the first stop valve 5 and the 4th stop valve 12.
Second test chamber 20 detect qualified after, open the stop valve 18 on the second cylinder manifold, open the second test chamber 21 atmospheric valve simultaneously, test(ing) liquid is imported the second test chamber 21.
Second test chamber 21 detect qualified after, open stop valve 16, first stop valve 5 on the first cylinder manifold, the 3rd stop valve 11 and the atmospheric valve of liquid container 4 of falling, test(ing) liquid imported liquid container 4.
When needing the test chamber many to quantity to detect, when the test(ing) liquid of liquid container 4 li is inadequate, both the volume of liquid container 4 can have been increased down, when space is limited, the bottle of falling liquid 7 can be increased, the test(ing) liquid of 7 li, the bottle of falling liquid is filled into down liquid container 4 by valve, therefore, batch can be carried out and to annotate test.
Thus by the switching of valve, realize warm tank, fill, withdrawal liquid operation, solve liquid nitrogen loss large, fill the problems such as efficiency is low, filling limited amount.
Claims (5)
1. a low-temperature (low temperature) vessel static evaporation rate testing apparatus, is characterized in that: comprise at least one test chamber, one fall liquid container (4), the bottle of falling liquid (9), the first cylinder manifold (14) and second cylinder manifold (17), described first cylinder manifold (14) and the second cylinder manifold (17) are provided with some stop valves, the gas phase mouth of test chamber is connected with the upper corresponding stop valve of described first cylinder manifold (14), and the liquid phase mouth of test chamber is connected with the upper corresponding stop valve of described second cylinder manifold (17), the gas phase mouth of liquid container (4) is connected with the first pipeline assembly (23) by the first stop valve (5), the liquid phase mouth of liquid container (4) is connected with the first pipeline assembly (23) by the second stop valve (6), first pipeline assembly (23) is connected with the first cylinder manifold (14) by the first pipeline (25), described first pipeline (25) is provided with the 3rd stop valve (11), first pipeline assembly (23) is connected with the second cylinder manifold (17) by second pipe (26), described second pipe (26) is provided with the 4th stop valve (12), the gas phase mouth of the bottle of falling liquid (9) is all connected with second pipe assembly (24) with liquid phase mouth, described second pipe assembly (24) is connected with the first cylinder manifold (14) by the 3rd pipeline (27), described 3rd pipeline (27) is provided with the 5th stop valve (13), described second pipe assembly (24) is connected with the second cylinder manifold (17) by the 4th pipeline (28), and described 4th pipeline (28) is provided with the 6th stop valve (22).
2. low-temperature (low temperature) vessel static evaporation rate testing apparatus according to claim 1, it is characterized in that: described test chamber is at least two, wherein the gas phase mouth of at least one test chamber is connected with the upper corresponding stop valve of described second cylinder manifold (17), and the liquid phase mouth of this test chamber is connected with the upper corresponding stop valve of described first cylinder manifold (14).
3. low-temperature (low temperature) vessel static evaporation rate testing apparatus according to claim 1 and 2, it is characterized in that: also comprise at least one liquid storage bottle of falling liquid (7), the gas phase mouth of each liquid storage bottle of falling liquid (7) is all communicated with described first pipeline assembly (23) with liquid phase mouth.
4. low-temperature (low temperature) vessel static evaporation rate testing apparatus according to claim 1 and 2, it is characterized in that: the end of described first pipeline assembly (23) is also provided with the first bleeder valve (10), and the end of described second pipe assembly (24) is provided with the second bleeder valve (29).
5. low-temperature (low temperature) vessel static evaporation rate testing apparatus according to claim 3, it is characterized in that: the end of described first pipeline assembly (23) is also provided with the first bleeder valve (10), and the end of described second pipe assembly (24) is provided with the second bleeder valve (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210507.XU CN204592868U (en) | 2015-04-09 | 2015-04-09 | Low-temperature (low temperature) vessel static evaporation rate testing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210507.XU CN204592868U (en) | 2015-04-09 | 2015-04-09 | Low-temperature (low temperature) vessel static evaporation rate testing apparatus |
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| CN204592868U true CN204592868U (en) | 2015-08-26 |
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| CN201520210507.XU Active CN204592868U (en) | 2015-04-09 | 2015-04-09 | Low-temperature (low temperature) vessel static evaporation rate testing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907151A (en) * | 2019-10-23 | 2020-03-24 | 张家港富瑞特种装备股份有限公司 | Method for measuring and calculating relationship between vacuum degree of low-temperature gas cylinder and daily evaporation rate and adsorption capacity |
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2015
- 2015-04-09 CN CN201520210507.XU patent/CN204592868U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907151A (en) * | 2019-10-23 | 2020-03-24 | 张家港富瑞特种装备股份有限公司 | Method for measuring and calculating relationship between vacuum degree of low-temperature gas cylinder and daily evaporation rate and adsorption capacity |
| CN110907151B (en) * | 2019-10-23 | 2021-09-03 | 张家港富瑞特种装备股份有限公司 | Method for measuring and calculating relationship between vacuum degree of low-temperature gas cylinder and daily evaporation rate and adsorption capacity |
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