CN201575962U - Measuring instrument for free gas content in liquid - Google Patents
Measuring instrument for free gas content in liquid Download PDFInfo
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- CN201575962U CN201575962U CN2009202827009U CN200920282700U CN201575962U CN 201575962 U CN201575962 U CN 201575962U CN 2009202827009 U CN2009202827009 U CN 2009202827009U CN 200920282700 U CN200920282700 U CN 200920282700U CN 201575962 U CN201575962 U CN 201575962U
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- lower cover
- clamp nut
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- gas content
- index dial
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Abstract
The utility model relates to a measuring instrument for free gas content in liquid, which belongs to a gas content testing device and is composed of a barrel body 5, an upper cover 4, a lower cover 9, a piston 6, a screw rod 15 and a handwheel 13. The utility model is characterized in that an exhaust valve 3 is connected to the upper cover 4, a gas chamber 1 is arranged in the barrel body 5, a clamp nut 16 is embedded in the lower cover 9, a dial 18 and a dial clamp nut 17 are externally connected with the lower cover, the dial 18 is positioned between the lower cover 9 and the dial clamp nut 17, the dial 18 is in clearance fit with the lower cover 9, and a pointer 11 is assembled on the handwheel 13. By adopting the operation principle of air compression method, people can intuitively learn about the pressure change in the instrument through observing the change of the gas volume in the gas chamber and read data on the dial 18 as a result of the position change of the pointer 11 on the handwheel to calculate the gas content in the liquid. The measuring instrument has the advantages of simple structure, convenient use and high accuracy, is particularly suitable for testing the gas content in slurry in the pulping process of paper industry, and also can be applied to the detection of free gas content in regular liquid or liquid containing solid mixture.
Description
Technical field:
The utility model relates to free gas content analyzer in a kind of liquid, is the check and analysis device that is used for liquid or contains the free gas content of liquid of solid mixture, is particularly useful for the analysis to measure of slurries air content in the paper-making pulping operation.
Background of invention:
Pulping process in paper industry, the air that is dispersed in and is introduced in the paper pulp can produce great harm to production, and these air can reduce the operational efficiency of pump, also have influence on the quality and the performance of paper.Along with the expansion of paper industry scale, the speed of paper machine is more and more faster, because the existence of air in the slurries, one side has influenced the presentation quality of paper, as pin hole and flatness; Reduce strength of paper on the other hand, very easily produced the disconnected paper phenomenon of paper machine.Though, in commercial production, enterprise has all adopted defoamer to eliminate foam and the harm of gas to producing, but no matter papermaking enterprise still is a foam-killing agent in paper-making enterprise, all wish to have a kind of simple and efficient gas content pick-up unit and instrument, be applied in the control detection of carrying out of production scene, and to laboratory detection of defoamer product degassing performance etc.
In paper industry, being used for the slurries gas content at present, to measure maximum methods be the pressurized air method, and this is based on Sweden Celleco Company design, is GET tester, and this instrument exists and seals badly, easily causes the error on the precision.So many companies are arranged detector some improvement have been done.We have also consulted some air contents and have detected utility model patent, mainly contain: electric insulating oil air content measurement mechanism, its principle of work are to adopt vacuum method differential pressure method; The concrete 's air-containing pick-up unit is fit to use on the engineering.These devices are not adapted at the application in the paper industry, so we think that should develop one overlaps the pick-up unit that is suitable for more.
The present utility model has overcome the defective of the existence of free gas content pick-up unit in the liquid in the past, successfully developed a kind of highly versatile, simple in structure, easy to use, precision is higher, and the liquid that can detect the liquid except that strong acid, highly basic or contain solid mixture contains the device of free gas content.
The utility model content
The purpose of the present utility model provides and a kind ofly is applicable to liquid or contains free gas content pick-up unit in the liquid of solid mixture, and is easy to carry and on-the-spot the use.
[technical scheme]
Free gas content analyzer in a kind of liquid, it mainly is made up of staving, loam cake, lower cover, screw mandrel, piston and handwheel.It is characterized in that:
The inwall of described staving has an air chamber near an end of loam cake, and a bar-shaped trough is arranged on this air chamber, and air chamber has one side of bar-shaped trough suitable with the staving inwall, and the air chamber close adhesion is in the inwall of staving, and its opening one end is towards lower cover.Like this, bar-shaped trough on the air chamber and staving inwall just form the hole of the column of a rule.Form at loam cake, staving, piston under the situation of closed container, in the time of the outside full of liquid fully of air chamber in the staving, gas volume changes and has just reacted the variation of air chamber external and internal pressure in the instrument in the air chamber.
Cover valve of assembling on described, be vent valve.Loam cake with to keep sealing being connected of staving, in the time of exhaust valve closure, then loam cake, staving and piston just form an airtight container, rotation hand wheel promotes piston by screw mandrel and moves, and just can change the interior pressure of this closed container.
Described lower cover portion branch comprises clamp nut, index dial, index dial clamp nut.Wherein: described clamp nut is set in the lower cover and is suitable with screw mandrel, and this clamp nut one end is a flange arrangement, and the other end then has external screw teeth and perpendicular to the notch of central axis, a screw that is parallel to central axis arranged at the notch place.Clamp nut is by being fastenedly connected at flange Kong Shangyong screw and lower cover on one side; The external screw teeth of the other end and suitable the closing of index dial clamp nut internal screw thread, and parallelly be connected with set screw with the screw of central axis, set screw is used to regulate the gap of notch; Described index dial is between lower cover and index dial clamp nut, and it cooperates for movable with lower cover, according to the needs of reading of data, accurately is carved with the evenly divided of 10 big lattice 100 little lattice in the periphery of index dial, is convenient to reading of data; Described index dial clamp nut is to come index dial is carried out fastening or loosens by turn.
A pointer is installed on the described handwheel, and the pointed index dial is used to read the data on the index dial.Because it is relevant that the number of turns of handwheel rotation and piston move, and piston moves the variation that produces this measuring instrument internal pressure, therefore, produce pressure in this measuring instrument and change that the data read that is to use the number of turns of rotating and index dial converts.
The principle of work that the present utility model is used is an air-compressing, is incompressible because do not contain the liquid of free gas, and the liquid supposition volume that contains free gas is V, adds an atmospheric pressure in airtight container, according to Bo-Ma Dingli: P
1V
1=P
2V
2, inner free gas is compressed half and is Δ V, can calculate liquid air content number percent K value according to measuring V and Δ V:
K＝(2×ΔV)/V×100％。
In this device, be to promote piston by rotation hand wheel to produce pressure during air content in test liquid, so the interior pressure of the rotating cycle of rotation hand wheel and air chamber is also proportional, according to this linear relationship, above-mentioned formula can be scaled:
K＝I×(N-n)％
I---gas content number percent when turning around for handwheel
N---be the number of turns of handwheel rotation
N---for the compensation number of turns, be meant that employing enters pick-up unit with the liquid that volume does not contain free gas, the rotation hand wheel pressurization, the number of turns when reading liquid level aligning air chamber medium line, and accurately read this device index dial numerical value really
Description of drawings
Fig. 1 is the free total figure of gas content analyzer in a kind of liquid of utility model
Fig. 2 is the accessory air chamber front elevation of free gas content analyzer in a kind of liquid of utility model
Fig. 3 is the A-A sectional view of the accessory air chamber of free gas content analyzer in a kind of liquid of utility model
Fig. 4 is the accessory clamp nut sectional view of free gas content analyzer in a kind of liquid of utility model
Fig. 5 is the accessory clamp nut vertical view of free gas content analyzer in a kind of liquid of utility model
Embodiment
Free gas content analyzer is made up of staving 5, loam cake 4, lower cover 9, piston 6, screw mandrel 15, handwheel 13 in a kind of liquid shown in Figure 1, and loam cake 4, lower cover 9 screw with thread with the two ends of staving 5 and be connected.O-ring seal 2 is arranged to strengthen and staving 5 sealing effectiveness on the loam cake 4, go back assembly platoon air valve 3 on the loam cake 4.Screw mandrel 15 passes the clamp nut 16 suitable with the thread of screw mandrel 15, two ends are connecting piston 6 and handwheel 13 respectively, piston 6 places staving 5, piston 6 can rotate and move forward or backward with handwheel 13, piston 6 is equipped with O-ring seal 19 to strengthen sealing effectiveness, and the pointer 11 of index dial eighteen data is read in assembling on the handwheel 13.Comprise clamp nut 16, index dial 18, index dial clamp nut 17 on the lower cover 9, be fastenedly connected with screw 10 between lower cover 9 and the clamp nut 16, index dial 18 cooperates for movable with lower cover 9, the external screw teeth of the internal screw thread of index dial clamp nut 17 and clamp nut 16 is suitable, can come index dial 18 is carried out fastening or loosens by turn index dial clamp nut 17.
Shown in Figure 2 is the front view (FV) of free gas content analyzer accessory air chamber 1 in a kind of liquid, and Fig. 3 is the A-A sectional view of air chamber 1.Air chamber 1 has a bar shaped notch, because it is to place on staving 5 inwalls, therefore, it has one side of notch suitable with staving 5 inwalls.In assembling, it is an end that places close loam cake 4 in the staving 5, uses the viscose close adhesion on staving 5 inwalls, and air chamber 1 openend is towards lower cover 9.
During use, at first open the vent valve 3 on the loam cake 4, rotation hand wheel 13 moves to piston 6 bottom of staving 5; Open loam cake 4, vertically fill liquid, just formed a gas column because feed liquid, remains in air chamber 1 interior air from progressively covering air chamber 1 down; Unclamp index dial clamp nut 17,, tighten index dial clamp nut 17 again aiming at pointer 11 zero point of index dial 18; Screw loam cake 4, exhaust-valve 3 places open mode, and complete rotation hand wheel more than 13 circles rise piston 6, and the air of emptying upper end is closed exhaust-valve 3 again when liquid has a little to discharge from valve top after; Continue rotation hand wheel 13 piston 6 is risen, and begin numeration, till the gas compression 1/2 in liquid enters air chamber 1, accurately read the N value of rotating cycle.At this moment, air is compressed 1/2 in the air chamber 1, and just instrument internal has obtained 0.1MPa pressure (absolute pressure is 0.2MPa), just can calculate the content K value of free gas again according to aforesaid gas content computing formula K=I (N-n) %.
Observe gas volume variation in the air chamber in order to be beneficial to, the material that the utility model staving 11, loam cake 8 are adopted should be material transparent, as organic glass of the high grade of transparency etc., and the gas column position that is positioned at air chamber 1 marks corresponding scale mark, as mark center scale mark on half position of air chamber and staving formation gas column.
The present utility model has designed index dial 18, the scale of this index dial is 10 big lattice 100 little lattice, index dial is designed to adjustable structure, after operating instrument is adjusted, can aim at pointer 11 to the zero-bit on the index dial 18 easily, make the operator can directly accurately read numerical value from index dial 18 in test operation, the value of reading can be accurate to behind the radix point 2.
The present utility model has also adopted clamp nut 16 to cooperate with set screw 12 and has formed the nut clearance eliminating mechanism in order to improve the mechanical drive precision.Mechanically tradition is eliminated the method for nut screw mandrel drive gap, is to use double nut mechanism, complex structure, and physical dimension is big, and it almost is impossible adopting on this instrument.The clamp nut 16 that the utility model is made, it has a notch, adds a set screw 12, and is simple in structure easy to use, can eliminate the nut gap well, has improved feed screw nut's transmission accuracy.If clamp nut 16 uses material identical with lower cover 9, the utility model is also protected clamp nut and lower cover is designed to a global facility.
In addition, the utility model size is less, and length can be less than 50cm, diameter can be less than 6cm, light being easy to carry about with one, and this device loam cake 4, lower cover 9 all can screw off is convenient to instrument and polluted the back and clean, at present because the utility model adopts materials limitations, generally speaking, except that highly basic, strong acid, most of neat liquids and containing under the environment of liquid (as paper pulp) of solid mixture, can carry out the assay of free gas, be the strong determining instrument of versatility.
Claims (3)
1. free gas content analyzer in the liquid is made up of staving (5), loam cake (4), lower cover (9), piston (6), screw mandrel (15), handwheel (13), it is characterized in that: connecting vent valve (3) on the described loam cake (4); Comprise air chamber (1) in the described staving (5); Stud with clamp nut (16) in the described lower cover (9), connect index dial (18) and index dial clamp nut (17) outward, wherein index dial (18) is positioned between lower cover (9) and the index dial clamp nut (17), and this index dial (18) cooperates for movable with lower cover (9); Be equipped with pointer (11) on the described handwheel (13).
2. the gas content analyzer dissociates in the described a kind of liquid of claim 1, it is characterized in that on the described air chamber (1) that places in the staving (5) bar-shaped trough being arranged, this air chamber (1) and the inwall suitable and close adhesion of staving (5) near loam cake (4) one ends, bar-shaped trough on the air chamber (1) and staving (5) inwall form the cylindrical bore of a rule, and its openend is towards lower cover (9).
3. the gas content analyzer dissociates in the described a kind of liquid of claim 1, it is characterized in that the described clamp nut (16) that is set in the lower cover (9) is suitable with screw mandrel (15), these clamp nut (16) one ends are flange arrangement, the other end then has external screw teeth and perpendicular to the notch of central axis, a screw that is parallel to central axis is arranged at the notch place; This clamp nut (16) is by being fastenedly connected at the Kong Shangyong of flange screw (10) and lower cover (9), the external screw teeth of the other end and suitable the closing of index dial clamp nut (17), and parallel and screw central axis is furnished with set screw (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202827009U CN201575962U (en) | 2009-12-25 | 2009-12-25 | Measuring instrument for free gas content in liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202827009U CN201575962U (en) | 2009-12-25 | 2009-12-25 | Measuring instrument for free gas content in liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201575962U true CN201575962U (en) | 2010-09-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202827009U Expired - Fee Related CN201575962U (en) | 2009-12-25 | 2009-12-25 | Measuring instrument for free gas content in liquid |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607902A (en) * | 2011-01-21 | 2012-07-25 | 中国石油化工股份有限公司 | Sealed canister for vacuum-desorbing physically-adsorbed hydrocarbon in soil |
| CN103048216A (en) * | 2011-11-14 | 2013-04-17 | 宁波圣龙汽车动力***股份有限公司 | Measurement device and method of gas content in oil product |
| CN103573752A (en) * | 2013-10-21 | 2014-02-12 | 浙江大学 | On-line air content detection device for hydraulic system |
| CN104792972A (en) * | 2015-04-26 | 2015-07-22 | 浙江大学 | Portable device for testing air content of hydraulic system |
| CN105486606A (en) * | 2016-01-28 | 2016-04-13 | 海安县石油科研仪器有限公司 | Carbonate content tester |
| CN110786178A (en) * | 2019-10-11 | 2020-02-14 | 中国农业科学院作物科学研究所 | Wheat high temperature test processing apparatus |
-
2009
- 2009-12-25 CN CN2009202827009U patent/CN201575962U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607902A (en) * | 2011-01-21 | 2012-07-25 | 中国石油化工股份有限公司 | Sealed canister for vacuum-desorbing physically-adsorbed hydrocarbon in soil |
| CN102607902B (en) * | 2011-01-21 | 2014-05-21 | 中国石油化工股份有限公司 | Sealed canister for vacuum-desorbing physically-adsorbed hydrocarbon in soil |
| CN103048216A (en) * | 2011-11-14 | 2013-04-17 | 宁波圣龙汽车动力***股份有限公司 | Measurement device and method of gas content in oil product |
| CN103048216B (en) * | 2011-11-14 | 2015-03-04 | 宁波圣龙汽车动力***股份有限公司 | Measurement device and method of gas content in oil product |
| CN103573752A (en) * | 2013-10-21 | 2014-02-12 | 浙江大学 | On-line air content detection device for hydraulic system |
| CN103573752B (en) * | 2013-10-21 | 2015-05-13 | 浙江大学 | On-line air content detection device for hydraulic system |
| CN104792972A (en) * | 2015-04-26 | 2015-07-22 | 浙江大学 | Portable device for testing air content of hydraulic system |
| CN105486606A (en) * | 2016-01-28 | 2016-04-13 | 海安县石油科研仪器有限公司 | Carbonate content tester |
| CN110786178A (en) * | 2019-10-11 | 2020-02-14 | 中国农业科学院作物科学研究所 | Wheat high temperature test processing apparatus |
| CN110786178B (en) * | 2019-10-11 | 2021-04-06 | 中国农业科学院作物科学研究所 | Wheat high temperature test processing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Huang Jia Wei Road Nanjing City, Jiangsu province 210037 Xiaguan District No. 41-1 building B4-2 Patentee after: Sixin Science & Technology Applied Inst. Co., Ltd., Nanjing City Address before: 306, room 1, Sheng Jingyuan, 168 North Central Road, Xiaguan District, Jiangsu, Nanjing, 210028 Patentee before: Sixin Science & Technology Applied Inst. Co., Ltd., Nanjing City |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 210027, Nanjing, Jiangsu Province, Xiaguan Road, Shimonoseki District No. 199 Zijin venture special community building D11 Patentee after: Sixin Science & Technology Applied Inst. Co., Ltd., Nanjing City Address before: Huang Jia Wei Road Nanjing City, Jiangsu province 210037 Xiaguan District No. 41-1 building B4-2 Patentee before: Sixin Science & Technology Applied Inst. Co., Ltd., Nanjing City |
|
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU INSTITUTE OF FOUR NEW TECHNOLOGYAPPLICATIO Free format text: FORMER NAME: SIXIN SCIENCE + TECHNOLOGY APPLIED INST. CO., LTD., NANJING CITY |
|
| CP03 | Change of name, title or address |
Address after: 210027 Gulou District, Nanjing Province, east of the East Wing Road, No. 199 Zijin (Shimonoseki) science and technology venture special community D11 block Patentee after: JIANGSU SIXIN SCIENTIFIC-TECHNOLOGICAL APPLICATION RESEARCH INSTITUTE CO., LTD. Address before: 210027, Nanjing, Jiangsu Province, Xiaguan Road, Shimonoseki District No. 199 Zijin venture special community building D11 Patentee before: Sixin Science & Technology Applied Inst. Co., Ltd., Nanjing City |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20161225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |