CN201644120U - Gas collection measuring cylinder - Google Patents
Gas collection measuring cylinder Download PDFInfo
- Publication number
- CN201644120U CN201644120U CN2010201471108U CN201020147110U CN201644120U CN 201644120 U CN201644120 U CN 201644120U CN 2010201471108 U CN2010201471108 U CN 2010201471108U CN 201020147110 U CN201020147110 U CN 201020147110U CN 201644120 U CN201644120 U CN 201644120U
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- gas collection
- graduated cylinder
- gas
- adjusting handle
- hole
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Abstract
The utility model discloses a gas collection measuring cylinder which comprises a closed cylinder body and scale marks on the cylinder body; a water drain hole and a vent hole are arranged on the closed port of the cylinder body, a regulating valve is arranged on the water drain hole and a switch valve is arranged on the vent hole. The gas collection measuring cylinder adopts the quick connection buckle design, has good air tightness, convenient connection and realizes real-time connection or disconnection; before measuring, the gas collection measuring cylinder has no air and ensures the measurement more accurate; the gas collection measuring cylinder has small volume, good mobility, is specially used for measuring volumes of various types of gases, also can be used as a gas container and directly connected with a gas composition analyzer, and is accordingly more practical.
Description
Technical field
The utility model relates to a kind of experimental facilities, particularly relates to a kind of gas collection graduated cylinder.
Background technology
Adsorbed gas is meant with ADSORPTION STATE and is present in natural gas in reservoir pore space and the crack.In the conventional gas reservoir, adsorbed gas content is very low, is generally less than 20%; In unconventional natural gas reservoirs, adsorbed gas content is higher, and coalbed methane reservoir natural gas adsorbed gas content is generally greater than 85%, and shale gas reservoir natural gas adsorbed gas content is 20-85%.The size of absorption air content is directly connected to the relevant art that needs in the quality of gas accumulation body and the development process, particularly concerning unconventional natural gases such as coal bed gas, shale gas, adsorbed gas content is the key factor of evaluating reservoir, reserve estimate and development and Design.Therefore, the test experiments of natural gas adsorbed gas content in the gassiness sample has been widely used in the natural gas exploration and development process, is the important step in the natural gas resource exploitation.In addition, in fields such as metal mine exploitation and methane explosion prevention, environmental protection and monitoring, agrology research, chemical industry, also be widely used.
At present, also be not used in the special-purpose experimental facilities that adsorbed gas content is accurately measured.When utilizing Routine Test Lab equipment to carry out the adsorbed gas content test experiments, the gassiness sample need be placed on and resolve reaction in the hermetically sealed can, wireway one end is by piercing needle and hermetically sealed can internal communication, the other end stretches into the buret opening, the buret opening down and place below the tank liquid level, buret bottom connected set airway.Wherein, on wireway and the gas collection conduit spring clip or screw clamp are set as required.
The experimental system of utilizing above-mentioned laboratory conventional equipment to assemble can satisfy the requirement that natural gas is resolved reaction, collection and assay substantially, and still, we find in actual use, and there is following defective in above-mentioned experimental system:
1, equipment volume is bigger, and inconvenience is carried in on-the-spot test;
Used more conduit when 2, connecting each experimental facilities, conduit must be full of air before test, and the gas collection process also can't be collected the residual gas in the experimental system fully, and when separating gassing rate when small, utilizing the content of the parsing gas that existing experimental system collects is zero probably;
3, use screw clamp occluding catheter path, air-tightness is bad, repeatedly uses screw clamp also may occur with the situation that conduit damages by pressure, makes to resolve the experiment utter failure;
4, the buret opening is communicated with tank, if system has collision slightly or tilts, the water in buret and the tank is flowed out, and directly causes the failure of an experiment.
This shows that above-mentioned current experiments equipment is used in the gas parsing experiment and obviously has inconvenience and defective, and demands urgently further being improved.How founding a kind of and hermetically sealed can is used, can be specifically designed to all gases stereometries such as natural gas, and can be simultaneously as gas storage container, and easy to connect, measure accurately, air-tightness is good, volume is little, the gas collection graduated cylinder of portable new structure, one of real important improvement target that belongs to current this area.
The utility model content
The technical problems to be solved in the utility model provides a kind of gas collection graduated cylinder, be used with hermetically sealed can, can be specifically designed to natural gas and resolve the mensuration of gas volume in the experiment, and can be simultaneously as gas storage container, and easy to connect, measure accurately, air-tightness is good, volume is little, be easy to carry.
For solving the problems of the technologies described above, a kind of gas collection graduated cylinder of the utility model, its cylindrical shell sealing and indicate graduation mark, and on sealing, be provided with osculum and passage, and the osculum place is provided with control valve, and the passage place is provided with switch valve.
As a kind of improvement of the present utility model, described control valve comprises being positioned at and seals inboard throttle disk and be positioned at the adjusting handle that seals the outside that bolt is connected throttle disk and synchronous rotation by regulating with adjusting handle; Throttle disk along the circumferential direction is distributed with a plurality of metering holes that differ in size; Adjusting handle is provided with and metering hole quantity, the corresponding through hole in position, and the diameter of each through hole all the diameter with the maximum limit discharge orifice is suitable; The position of a through hole, sizableness on osculum and the adjusting handle.
Described metering hole is 8, and diameter is respectively 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, is evenly distributed in successively on the circumference of throttle disk.
Described adjusting handle and seal between also be provided with rubber seal.
Described passage is positioned at and seals the center.
Described switch valve is the box of quick junction button.
Described cylindrical shell volume is 600ml, and the lattice metering of graduation mark is 2ml, maximum range 600ml.
Described cylindrical shell is the safety glass material with sealing.
The utility model adopts the design of quick junction button, and air-tightness is good, easy to connect, can be communicated with at any time or disconnect; Do not have air in the analyzer when initial, measure more accurate; Volume is little, mobility is strong; Both can be specifically designed to the mensuration of all gases volumes such as natural gas, also can directly receive on the gas composition analyzer device simultaneously as gas storage container, thus practical more.
Description of drawings
Above-mentioned only is the general introduction of technical solutions of the utility model, and for can clearer understanding technological means of the present utility model, the utility model is described in further detail below in conjunction with accompanying drawing and the specific embodiment.
Fig. 1 is the structural representation of the utility model gas collection graduated cylinder.
Fig. 2 is the structural representation of the throttle disk of the utility model gas collection graduated cylinder.
The specific embodiment
See also shown in Figure 1, the utility model gas collection graduated cylinder, its cylindrical shell 1 sealing and indicate graduation mark, and be provided with osculum 21 and passage on 2 sealing, the osculum place is provided with control valve, the passage place is provided with switch valve.
Wherein, cylindrical shell 1 and seal 2 preferred non-friable safety glass materials, the volume of cylindrical shell 1 can be 600ml, and graduation mark can be arranged to lattice and measure 2ml, and maximum range 600ml separating gassing rate when very little, also can accurately read gas volume.
Control valve can comprise and be positioned at the throttle disk 3 of sealing 2 inboards and be positioned at the adjusting handle 4 that seals the outside that bolt 5 is connected throttle disk 3 and synchronous rotation by regulating with adjusting handle 4.
Please cooperate and consult shown in Figure 2ly, throttle disk 3 along the circumferential direction is distributed with a plurality of metering holes that differ in size 31.Preferable, metering hole is 8, diameter is respectively 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, is evenly distributed in successively on the circumference of throttle disk 3.
Adjusting handle 4 is provided with and metering hole 31 quantity, the corresponding through hole in position, and the diameter of each through hole all the diameter with the maximum limit discharge orifice is suitable, position, the sizableness of any one through hole on osculum 21 and the adjusting handle 4.When rotating adjusting handle 4, make through hole, the metering hole on the throttle disk 31 on the adjusting handle and the osculum 21 that seals when overlapping, osculum 21 promptly is opened, and cylindrical shell 1 inside is in communication with the outside.
Preferable, between also can and sealing 2 rubber seal is set, both can plays cushioning effect, avoid repeatedly regulating back adjusting handle 4 and seal the increasing of 2 slits, damage instrument at adjusting handle 4, can play better sealing function again, prevent that the gas in the cylindrical shell 1 scatters and disappears.
Passage can place and seal 2 center, and the switch valve that the control passage opens and closes is preferably the box 6 of quick junction button, for example the fast connector produced of U.S. Colder Products Company.
Resolving experiment with natural gas is example, before resolving test, earlier will fill with saturated brine in the utility model gas collection graduated cylinder, and will seal 2 and vertically place down, the minimum aperture that makes metering hole 31 is to overlapping with osculum 21 successively than macropore, the maximum limit discharge orifice 31 that can not outflow with salt solution is resolved the selected draining aperture of experiment as this, and it is stand-by to close osculum afterwards.
Osculum of the present utility model has adopted the capillary force principle, and place even the gas collection graduated cylinder sealed down in Xuan Ding draining aperture according to the method described above, and saturated brine can not flow out under surface tension effects yet, and the osculum external and internal pressure equates.In a single day and have gas to enter in the gas collection graduated cylinder, then salt solution will be forced out in the cylindrical shell, and the gas volume of brine volume that extrudes and collection is suitable.
When experiment is carried out, box 6 is docked with pin thread on the hermetically sealed can, this moment, passage was opened, open osculum according to selected before aperture again, the gas that rock parses naturally in the hermetically sealed can enters under buoyancy in the gas collection graduated cylinder, and isopyknic salt solution is discharged by osculum 21, reads the parsing gas volume that collects according to the test needs on time, and bring these data into calculation procedure, obtain the parsing speed and the adsorbed gas content of natural gas.
After test is finished, earlier osculum 21 is closed, disconnect box and pin then, whole gas collection graduated cylinder sealing this moment, gas sample can be kept in the cylindrical shell always and need not to be transferred to other containers, gather gas in the cylindrical shell as need, using pin thread to be communicated with sampling with box 6 up, gets final product.
The utility model gas collection graduated cylinder, the gentle sample of gas collection body stereometry saves as one, has got rid of air influence, and test result is more accurate, and equipment volume is little, in light weight, air-tightness is good, is more suitable for being carried to field experiment and uses.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in the protection domain of the present utility model.
Claims (8)
1. gas collection graduated cylinder is characterized in that: its cylindrical shell sealing and indicate graduation mark, and on sealing, be provided with osculum and passage, and the osculum place is provided with control valve, and the passage place is provided with switch valve.
2. gas collection graduated cylinder according to claim 1 is characterized in that described control valve comprises being positioned to seal inboard throttle disk and be positioned at the adjusting handle that seals the outside that bolt is connected throttle disk and synchronous rotation by regulating with adjusting handle;
Throttle disk along the circumferential direction is distributed with a plurality of metering holes that differ in size;
Adjusting handle is provided with and metering hole quantity, the corresponding through hole in position, and the diameter of each through hole all the diameter with the maximum limit discharge orifice is suitable;
The position of a through hole, sizableness on osculum and the adjusting handle.
3. gas collection graduated cylinder according to claim 2 is characterized in that described metering hole is 8, and diameter is respectively 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, is evenly distributed in successively on the circumference of throttle disk.
4. gas collection graduated cylinder according to claim 2, it is characterized in that described adjusting handle and seal between also be provided with rubber seal.
5. gas collection graduated cylinder according to claim 2 is characterized in that described passage is positioned to seal the center.
6. according to each described gas collection graduated cylinder among the claim 1-5, it is characterized in that described switch valve is the box of quick junction button.
7. gas collection graduated cylinder according to claim 6 is characterized in that described cylindrical shell volume is 600ml, and the lattice metering of graduation mark is 2ml, maximum range 600ml.
8. gas collection graduated cylinder according to claim 6 is characterized in that described cylindrical shell and seals being the safety glass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201471108U CN201644120U (en) | 2010-04-01 | 2010-04-01 | Gas collection measuring cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201471108U CN201644120U (en) | 2010-04-01 | 2010-04-01 | Gas collection measuring cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201644120U true CN201644120U (en) | 2010-11-24 |
Family
ID=43109316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201471108U Expired - Lifetime CN201644120U (en) | 2010-04-01 | 2010-04-01 | Gas collection measuring cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201644120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675434A (en) * | 2016-03-16 | 2016-06-15 | 中国地质大学（北京） | System and method for measuring gas content |
-
2010
- 2010-04-01 CN CN2010201471108U patent/CN201644120U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675434A (en) * | 2016-03-16 | 2016-06-15 | 中国地质大学（北京） | System and method for measuring gas content |
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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: 20101124 |
|
| CX01 | Expiry of patent term |