CN206740441U - A kind of refrigerant sampling apparatus - Google Patents
A kind of refrigerant sampling apparatus Download PDFInfo
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- CN206740441U CN206740441U CN201720550527.0U CN201720550527U CN206740441U CN 206740441 U CN206740441 U CN 206740441U CN 201720550527 U CN201720550527 U CN 201720550527U CN 206740441 U CN206740441 U CN 206740441U
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- valve
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- refrigerant
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Abstract
It the utility model is related to a kind of refrigerant sampling apparatus, the refrigerant sampling apparatus includes sampling steel cylinder, storage tank, gas holder, sampling pipe and return duct, the upper end of the sampling steel cylinder exports for steel cylinder, lower end is steel cylinder import, the steel cylinder import of the sampling steel cylinder is connected by the sampling pipe with storage tank, and the steel cylinder outlet of the sampling steel cylinder is connected by the return duct with the gas holder.Refrigerant sampling apparatus of the present utility model has the advantages of material loss is few, environmental pollution is small, sampling is accurate.
Description
Technical field
Sample detecting technology is the utility model is related to, more particularly to a kind of refrigerant sampling apparatus.
Background technology
In chemical process, it is often necessary to the compressed liquefied gas being stored in storage tank, such as refrigerant, liquefaction stone
Oil gas etc. carries out sample detecting.
In the prior art, it will usually in storage tank, with storing up tank connected delivery pump pumping hole and storing up the positions such as tank connected pipeline
Thief hatch is opened up, and sampling pipe is installed on thief hatch, Sampler valves are provided between thief hatch and sampling pipe.In to storage tank
Refrigerant sampling when, operating personnel first open Sampler valves, by the refrigerant in sampling pipe by way of being vented to air
Material discharge a period of time, to ensure that the sample subsequently taken is the fresh material in storage tank, then with hair-dryer by sampling pipe pipe
Mouth drying, impacts to sample because the condensate moisture in air can be attached to the sampling pipe mouth of pipe, then such as adopts sampler
Sample steel cylinder etc. is connected with sampling pipe, and refrigerant sample is fitted into sampler, finally unloads down-sampler, completes sampling.
However, there is following defect in above-mentioned sampling method：(1) refrigerant materials emptying time is grown, and waste is big；(2) make
Cryogen directly discharges, and pollutes the environment, unfavorable to the health of operating personnel；(3) it is cumbersome, it is necessary to be blown with hair-dryer
Dry, the sample adopted easily is mixed into impurity, causes detection and analysis result to have deviation.
Utility model content
Based on this, the purpose of this utility model is, there is provided a kind of refrigerant sampling apparatus, its have material loss it is few,
Environmental pollution is small and samples the advantages of accurate.
The technical solution adopted in the utility model is as follows：
A kind of refrigerant sampling apparatus, including sampling steel cylinder, storage tank, gas holder, sampling pipe and return duct, the sampling steel cylinder
Upper end be steel cylinder outlet, lower end be steel cylinder import, and the steel cylinder import of the sampling steel cylinder passes through the sampling pipe and storage tank company
Logical, the steel cylinder outlet of the sampling steel cylinder is connected by the return duct with the gas holder.
Sampling steel cylinder in the refrigerant sampling apparatus is arranged between storage tank and gas holder, and storage is compression in storage tank
The refrigerant of liquid, and in gas holder storage be low-pressure gaseous refrigerant, therefore the pressure in storage tank is far above in gas holder
Pressure, using both internal pressure differences, refrigerant materials can be made to sufficiently flow through sampling steel cylinder, ensure what sampling steel cylinder was filled
Refrigerant sample is the fresh material in storage tank, it is ensured that sample is representative, and the index such as its purity, moisture can embody storage
The average quality of tank inner refrigerant.
Relative to prior art, refrigerant sampling apparatus of the present utility model need not by the refrigerant in sampling pipe it is long when
Between empty, material loss is few, saves production cost, and environmental pollution is few, and the health of operating personnel is influenceed not
Greatly.In addition, the refrigerant sampling apparatus is simple to operate, it is not necessary to uses extra drying auxiliary equipment, moisture in air etc.
Impurity is not easy to be mixed into sample, and the sample taken is representative, is advantageous to improve the accuracy of detection and analysis result.
Further, in addition to the sampling valve on the sampling pipe.
Further, in addition to the return valve on the return duct.
Further, the storage tank is connected with a delivery pump, and the pumping hole of the delivery pump is provided with thief hatch, it is ensured that is adopted
Sample is the fresh material in storage tank.
Further, the steel cylinder outlet of the sampling steel cylinder is separately installed with a straight-through valve, the sampling with steel cylinder import
One end of pipe is connected by a pump ball-valve with the thief hatch, and the other end is connected with the straight-through valve of the steel cylinder import, described time
One end of stream valve is connected with the straight-through valve that the steel cylinder exports, and the other end is connected with the gas holder.
By setting multiple valves, personal safety of the operating personnel in sampling process is can ensure that, prevents that refrigerant is a large amount of
Leakage, reduce accident odds.
Further, the sampling pipe and return duct are pressure-resistant seamless steel pipe, prevent refrigerant to be changed into gaseous state from liquid
The pressure discharged makes sampling pipe and backflow tracheal rupture, and caliber adjusts according to the interface of sampling steel cylinder, specifically, the sampling pipe
Caliber with return duct is 8mm.
Further, the distance of the sampling valve and the straight-through valve of the steel cylinder import is less than or equal to 10cm, is preferably
5cm。
Further, the distance of the return valve and the straight-through valve of steel cylinder outlet is less than or equal to 10cm, is preferably
5cm。
By limiting the distance between each valve, on the one hand make the hand of operating personnel there are enough spaces to each valve
Operation is opened and closed in door, on the other hand reduces refrigerant waste as far as possible, ensures at most only 5cm between sampling valve and steel cylinder
Refrigerant in long, φ 8mm pipelines is put to idle discharge, ensures at most only have 5cm length, φ in the pipeline between return valve and steel cylinder
Refrigerant in 8mm pipelines is put to idle discharge.
Further, before sampling, the pump ball-valve and return valve are closed, the sampling valve, the straight-through valve of steel cylinder import, steel
The straight-through valve of bottle outlet is opened；During sampling, the pump ball-valve, sampling valve, the straight-through valve of steel cylinder import, steel cylinder export straight-through
Valve and return valve are all opened；After the completion of sampling, the pump ball-valve, sampling valve, the straight-through valve of steel cylinder import, steel cylinder export straight
Port valve and return valve are all closed.
By limit sample before, sampling when and sampling after each valve open and-shut mode, ensure that sampling is smoothed out, prevent
Only leakage of refrigerant, it is ensured that personal safety of the operating personnel in sampling process.
Further, the sampling valve and return valve are ball valve.
In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the schematic diagram of refrigerant sampling apparatus of the present utility model.
Embodiment
Referring to Fig. 1, it is the schematic diagram of refrigerant sampling apparatus of the present utility model.
Refrigerant sampling apparatus of the present utility model include sampling steel cylinder 1, storage tank 2, gas holder 3, sampling pipe 4, return duct 5,
Sampling valve 6 and return valve 7.The upper end of the sampling steel cylinder 1 exports for steel cylinder, and lower end is steel cylinder import.The sampling steel cylinder 1
Steel cylinder import is connected by the sampling pipe 4 with storage tank 2, and the steel cylinder outlet of the sampling steel cylinder 1 passes through the return duct 5 and institute
Gas holder 3 is stated to connect.
The steel cylinder outlet of the sampling steel cylinder 1 is provided with a straight-through valve 11, and steel cylinder import is provided with a straight-through valve 12.It is described
The specification of sampling steel cylinder 1 is 50ml, 100ml, 200ml, 250ml, 300ml, 500ml or 1000ml.
The storage tank 2 is spherical tank, and its internal reservoir is the refrigerant of compressed liquid.The storage tank 2 connects with a delivery pump 20
Connect, the refrigerant in storage tank 2 is supplied to conveyance conduit 21 by the delivery pump 20, is transported refrigerant to chemical industry by conveyance conduit 21
Each workshop of refrigerant is needed to use in factory.Thief hatch is provided with the pumping hole of the delivery pump 20.
The gaseous refrigerant of the internal reservoir of gas holder 3.The gas holder 3 plays storage, recovery chemical plant mesolow gaseous state
The effect of refrigerant, while the pressure of refrigerant pipe network can also be adjusted.
One end of the sampling pipe 4 is connected by a pump ball-valve 22 with the thief hatch, the other end and the steel cylinder import
Straight-through valve 12 connect.The sampling pipe 4 is the pressure-resistant seamless steel pipe that caliber is 8mm.
One end of the return duct 5 is connected with the straight-through valve 11 that the steel cylinder exports, the other end by a gas holder ball valve with
The gas holder 3 connects, and the gas holder ball valve is normally open.The return duct 5 is the pressure-resistant seamless steel pipe that caliber is 8mm,
The sampling valve 6 is arranged on the sampling pipe 4, the distance of itself and the straight-through valve 12 of the steel cylinder import be less than or
Equal to 10cm, preferably 5cm.The sampling valve 6 is ball valve.
The return valve 7 be arranged on the return duct 5 on, the distance of its straight-through valve 11 exported with the steel cylinder be less than or
Equal to 10cm, preferably 5cm.The return valve 7 is ball valve.
The course of work of refrigerant sampling apparatus of the present utility model is as follows：
(1) before sampling, pump ball-valve 22 and return valve 7 are closed, and sampling valve 6, the straight-through valve 12 of steel cylinder import and steel cylinder go out
The straight-through valve 11 of mouth is opened.
(2) in sampling, operating personnel first open pump ball-valve 22, then slowly open return valve 7, then pump ball-valve 22, adopt
Sample valve 6, the straight-through valve 11 of steel cylinder import, the straight-through valve 12 of steel cylinder outlet and return valve 7 are all the state opened, now refrigerant
Material is discharged out of storage tank 2, is flow to gas holder 3 by sampling steel cylinder 1, is kept refrigerant materials to flow through sampling steel cylinder 1 two minutes.
(3) after the completion of sampling, operating personnel sequentially by steel cylinder outlet straight-through valve 11, steel cylinder import straight-through valve 12,
Sampling valve 6, return valve 7 and pump ball-valve 22 are closed, and are then taken the sampling steel cylinder 1 for installing refrigerant sample dismounting away, are sent to inspection
Survey analysis.
(4) finally, operating personnel install new empty sampling steel cylinder 1, and sequentially open steel cylinder outlet straight-through valve 11,
Straight-through valve 12, sampling valve 6 and the return valve 7 of steel cylinder import, then the closing volume valve 7 after 10 seconds, makes sampler recover to take
State before sample.
Relative to prior art, refrigerant sampling apparatus of the present utility model has the advantages that：It will need not adopt
Refrigerant in sample pipe empties for a long time, and material loss is few, saves production cost；Environmental pollution is few, to operating personnel's
Health influences little；It is simple to operate, it is not necessary to use extra drying auxiliary equipment；The impurity such as the moisture in air are not easy
It is mixed into sample, the sample taken is representative, is advantageous to improve the accuracy of detection and analysis result；Adopted by what is more renewed
Sample steel cylinder can be that sampling is prepared next time, convenient immediately to be sampled online, more efficient；It is simple in construction, cost is low,
Easily it is completed with being suited measures to local conditions in chemical plant.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.
Claims (10)
- A kind of 1. refrigerant sampling apparatus, it is characterised in that：Including sampling steel cylinder, storage tank, gas holder, sampling pipe and return duct, institute The upper end for stating sampling steel cylinder exports for steel cylinder, and lower end is steel cylinder import, and the steel cylinder import of the sampling steel cylinder passes through the sampling Pipe is connected with storage tank, and the steel cylinder outlet of the sampling steel cylinder is connected by the return duct with the gas holder.
- 2. refrigerant sampling apparatus according to claim 1, it is characterised in that：Also include being arranged on the sampling pipe Sampling valve.
- 3. refrigerant sampling apparatus according to claim 2, it is characterised in that：Also include being arranged on the return duct Return valve.
- 4. refrigerant sampling apparatus according to claim 3, it is characterised in that：The storage tank is connected with a delivery pump, institute The pumping hole for stating delivery pump is provided with thief hatch.
- 5. refrigerant sampling apparatus according to claim 4, it is characterised in that：The steel cylinder outlet of the sampling steel cylinder and steel Bottle import is separately installed with a straight-through valve, and one end of the sampling pipe is connected by a pump ball-valve with the thief hatch, the other end It is connected with the straight-through valve of the steel cylinder import, the straight-through valve that one end of the return valve exports with the steel cylinder is connected, the other end It is connected with the gas holder.
- 6. refrigerant sampling apparatus according to claim 5, it is characterised in that：The sampling pipe and return duct are pressure-resistant Seamless steel pipe.
- 7. refrigerant sampling apparatus according to claim 6, it is characterised in that：The sampling valve and the steel cylinder import The distance of straight-through valve is less than or equal to 10cm.
- 8. refrigerant sampling apparatus according to claim 6, it is characterised in that：The return valve and steel cylinder outlet The distance of straight-through valve is less than or equal to 10cm.
- 9. refrigerant sampling apparatus according to claim 5, it is characterised in that：Before sampling, the pump ball-valve and return valve Close, the sampling valve, the straight-through valve of steel cylinder import, the straight-through valve of steel cylinder outlet are opened；During sampling, the pump ball-valve, sampling Valve, the straight-through valve of steel cylinder import, the straight-through valve of steel cylinder outlet and return valve are all opened；After the completion of sampling, the pump ball-valve, adopt Sample valve, the straight-through valve of steel cylinder import, the straight-through valve of steel cylinder outlet and return valve are all closed.
- 10. refrigerant sampling apparatus according to claim 3, it is characterised in that：The sampling valve and return valve are ball Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550527.0U CN206740441U (en) | 2017-05-16 | 2017-05-16 | A kind of refrigerant sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550527.0U CN206740441U (en) | 2017-05-16 | 2017-05-16 | A kind of refrigerant sampling apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206740441U true CN206740441U (en) | 2017-12-12 |
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ID=60566307
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720550527.0U Active CN206740441U (en) | 2017-05-16 | 2017-05-16 | A kind of refrigerant sampling apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387411A (en) * | 2018-05-24 | 2018-08-10 | 夏文斌 | A kind of gas sampling assembly for acquiring car air conditioner refrigerant |
| GB2613949A (en) * | 2021-11-05 | 2023-06-21 | Global Holdings Midlands Ltd | Thermal fluid sampling device |
-
2017
- 2017-05-16 CN CN201720550527.0U patent/CN206740441U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387411A (en) * | 2018-05-24 | 2018-08-10 | 夏文斌 | A kind of gas sampling assembly for acquiring car air conditioner refrigerant |
| GB2613949A (en) * | 2021-11-05 | 2023-06-21 | Global Holdings Midlands Ltd | Thermal fluid sampling device |
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