CN102853876B - Can be used for the block-proof type air blast liquidometer of polyester reactor - Google Patents
Can be used for the block-proof type air blast liquidometer of polyester reactor Download PDFInfo
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- CN102853876B CN102853876B CN201210314725.9A CN201210314725A CN102853876B CN 102853876 B CN102853876 B CN 102853876B CN 201210314725 A CN201210314725 A CN 201210314725A CN 102853876 B CN102853876 B CN 102853876B
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Abstract
The present invention relates to a kind of block-proof type air blast liquidometer that can be used for polyester reactor, including the first sleeve for being arranged on tank body and the second sleeve pipe, the upper end of described first sleeve and the second sleeve pipe is connected to the first seal ball-valve and the second seal ball-valve, the upper end of described first seal ball-valve and the second seal ball-valve is separately installed with first and discloses needle device and second and disclose needle device, described first discloses needle device and second discloses needle device and is respectively equipped with first and discloses pin and second and disclose pin, described first sleeve and the second sleeve pipe are the jacket pipe that its tube wall is sandwich, heater/heating heating agent it is provided with in the hollow of described sandwich, high-pressure side gas blow pipe it is provided with in described first sleeve, the bottom of described high-pressure side gas blow pipe is provided with opening, described opening is V-shaped.The present invention can be effectively prevented line clogging, wide accommodation, good reliability, and precision is high, can be used for the level gauging under the occasions such as the second Prepolycondensating reactor and final polycondensation reactor.
Description
Technical field
The present invention relates to a kind of block-proof type air blast liquidometer that can be used for polyester reactor, be primarily useful for the second preshrunk
Level gauging under poly-reactor and final polycondensation reactor or other suitable occasions.
Background technology
In existing polyester device, the Level Detection under the occasion such as the second Prepolycondensating reactor and final polycondensation reactor, adopts mostly
Measure liquid level with gamma ray tank gage, owing to gamma ray tank gage is expensive, install and safeguard and bother the most very much, gamma-rays this
Body has injury to human body, very not energy-conserving and environment-protective, and the air blast liquidometer gas blow pipe that the most also some polyesters device uses does not has
There is clogging-preventing measures, but owing to gas blow pipe is frequently occluded, have impact on the measurement of liquid level.
Summary of the invention
For overcoming the drawbacks described above of prior art, the invention provides a kind of block-proof type that can be used for polyester reactor and blow
Method liquidometer, this air blast liquidometer can be effectively prevented line clogging.
The present invention realizes the technical scheme of above-mentioned purpose: a kind of block-proof type air blast liquid level that can be used for polyester reactor
Meter, including the first sleeve for being arranged on tank body and the second sleeve pipe, the upper end of described first sleeve and the second sleeve pipe is respectively
Connecting has the first seal ball-valve and the second seal ball-valve, the upper end of described first seal ball-valve and the second seal ball-valve to be respectively mounted
Have first to disclose needle device and second and disclose needle device, described first disclose needle device and second disclose needle device be respectively equipped with first disclose pin and
Second discloses pin.
Needle device is disclosed, when sleeve pipe or sleeve pipe owing to being provided with by seal ball-valve on the two of air blast liquidometer sleeve pipes
In other pipelines blocked time, can open seal ball-valve, use disclose pin through seal ball-valve disclose in sleeve pipe or sleeve pipe other
Pipeline, discloses blocking material, and is closed by seal ball-valve when normally detecting, and will not be negatively affected because disclosing the existence of pin,
The most conveniently and effectively solve the problem that the blowing type liquid level meter of long-standing problem people lost efficacy because of blocking, it is achieved that liquidometer
Anti-blocking purpose, expands the adaptation occasion of liquidometer, improves the reliability of detection data, according to the experiment of applicant, this
Blowing type liquid level meter can be adapted well to the dielectric viscosity height such as the second Prepolycondensating reactor and final polycondensation reactor, be prone to
The occasion of existing line clogging.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Seeing Fig. 1, the invention provides a kind of block-proof type air blast liquidometer that can be used for polyester reactor, it includes using
In the first sleeve 20 being arranged on tank body 22 and the second sleeve pipe 21, the upper end of described first sleeve and the second sleeve pipe connects respectively
Having the first seal ball-valve 9 and the second seal ball-valve 19, the upper end of described first seal ball-valve and the second seal ball-valve is respectively mounted
Having first to disclose needle device and second and disclose needle device, described first discloses needle device and second discloses needle device and is respectively equipped with first and discloses pin 8
Pin 18 is disclosed with second.Described disclose needle device can to use the form of any suitable, disclose pin for installation and guarantee disclose pin can be with axle
Extend in corresponding sleeve pipe to moving through corresponding seal ball-valve, in order to after opening corresponding seal ball-valve, will disclose
Pin is disclosed into sleeve pipe, to eliminate the blocking of other pipelines in sleeve pipe or sleeve pipe.Such as, described in disclose needle device can be one section of short tube,
Its pore adapts with described pin of disclosing, it is possible to insert disclosing pin accordingly in this short tube, and ensures that disclosing pin moves axially along pore
Smooth and easy and stable, described short tube can be provided with and disclose disclosing pin fixed mechanism and/or disclosing needle shaft for driving of pin for fixing
Needle drive mechanism is disclosed to movement.
Generally, described first disclose that pin, the first seal ball-valve and the axis of first sleeve can identical (each axis be at same
On straight line), so can conveniently disclose moving axially of pin, particularly allow employing rigidity discloses pin, in order to operates and improves
Dredging effect, according to actual needs, the described first axis disclosing pin, the first seal ball-valve and first sleeve can also differ
(each axis is not arranged on the same straight line be), in this case, by selecting suitable pin of disclosing can also realize dredging equally.
Equally, described second disclose pin, the second seal ball-valve and the second casing axis can also be identical or differ.
Described disclose pin generally in elongated shaft-like.
According to actual needs, described first disclose pin and second and disclose pin preferably generally rigidity and disclose pin.
Described first sleeve and the second sleeve pipe all can use the structural pipe wall of monolayer, and the most all can use its tube wall is folder
The jacket pipe of Rotating fields (being provided with the structure of hollow), can be provided with heater/heating heat in the hollow of described sandwich
Matchmaker, by heater/heating heating agent, more can heat the medium in sleeve pipe, in order to more effectively prevent solidification stifled
Plug.
The lower end of described first seal ball-valve and the second seal ball-valve can be directly connected to respectively or pass through connecting tube
Connecting and have the first upper flange 24 and the second upper flange 25, the upper end of described first sleeve and the second sleeve pipe is respectively equipped with the first purgation
Orchid 26 and the second lower flange 27, the upper end of described first sleeve is on described first with the connected mode of described first seal ball-valve
Together with flange is fastened by bolts with described first lower flange, the upper end of described second sleeve pipe and described second seal ball-valve
Connected mode is together with described second upper flange is fastened by bolts with described second lower flange.Use this connected mode,
Be conducive to processing and the overall package of each part, maintain easily.
In the lower end of described first seal ball-valve and the connecting tube of the first upper flange or permissible on described first upper flange
Being provided with the first gas blow pipe interface, described first gas blow pipe interface connects has the first gas blow pipe 1, under described second seal ball-valve
Can be provided with the second gas blow pipe interface in the connecting tube of end and the second upper flange or on described first upper flange, described second blows
Connect on air pipe interface and have the second gas blow pipe 12, thus conveniently realized the connection of each gas blow pipe and respective sleeve.
Can be provided with high-pressure side gas blow pipe 10 in described first sleeve, described high-pressure side gas blow pipe is from described first sleeve
Extend out, thus by described high-pressure side gas blow pipe, the outlet (opening on the gas blow pipe of described high-pressure side) blown can be prolonged
Reach the appropriate location in tank body, adapt to corresponding level gauging requirement.
Generally, the bottom of described high-pressure side gas blow pipe is provided with opening, and described opening is the most V-shaped, by the reality of applicant
Testing, the opening of this shape can be effectively avoided the formation of bigger bubble and affect certainty of measurement, is the most also effectively prevented
Or reduce bottom suspended particle entrance gas blow pipe.
Retainer ring 11 can be provided with on the described high-pressure side gas blow pipe extended out from described first sleeve, the most permissible
Realize, to high-pressure side gas blow pipe fixing in tank body, convenient detection, improving accuracy of detection.
The development length of described high-pressure side gas blow pipe is to make its lower end minimum range away from described inner tank wall be preferably 45-
55 millimeters, to avoid the impact of tube wall, improve the accuracy of detection.
Generally, described first gas blow pipe connects going out of described first gas blow pipe interface from its air inlet connecting source of the gas to it
Gas end is sequentially provided with first air filtration decompressor the 2, first ball valve 3, the first rotor effusion meter the 5, first constant flow valve 6 and first
Check (non-return) valve 7, described second gas blow pipe connects the air inlet outlet side to its described second gas blow pipe interface of connection of source of the gas from it
It is sequentially provided with second air filtration decompressor the 13, second ball valve the 14, second spinner flowmeter the 15, second constant flow valve 16 and second
Check (non-return) valve 17, the port of export of described first constant flow valve and described second constant flow valve connects differential pressure transporting by pipeline the most respectively
The positive pressure side of device 29 and negative pressure end.Thus can control corresponding air-flow, realize the detection to liquid level by differential pressure transmitter, and
Reduce because of systematic error.
Can be provided with the 3rd ball valve 4 between described first gas blow pipe and the second gas blow pipe, the two ends of described 3rd ball valve are divided
Do not connect the port of export and the port of export of described second ball valve of described first ball valve, thus can ensure that the first gas blow pipe and second
Supplied by the 3rd ball valve 4 during the gas blow pipe flatus of gas blow pipe Zhong mono-road.
First sleeve and second sleeve pipe installation site on tank body that the present invention relates to can be passed through according to testing requirement
Prior art or other suitable technology determine.
Comparing compared with blowing type liquid level meter, the present invention has a following obvious feature:
(1) gas blow pipe bottom opening opens " V " shape mouth, can avoid the formation of bigger bubble and affect certainty of measurement, the most also
Reduce suspended particle to enter bottom gas blow pipe.
(2) bottom gas blow pipe from inwall distance can not too close to, designed distance of the present invention is 50mm.
(3) medium for easily solidification uses chuck heating to prevent material from solidifying putty.
(4) disclose pin design in gas blow pipe employing, during putty, turn on seal ball-valve, with disclosing pin dredging gas blow pipe.
(5) check (non-return) valve is installed on gas blow pipe, to prevent air-flow reverse.
(6) employing sets constant flow valve on high and low pressure side gas blow pipe and spinner flowmeter ensures the constant of air blowing flow.
(7) welding that is connected by for all gas circuits of reactor that vacuum level requirements is high prevents leakage, and seal ball-valve is adopted
Use vacuum valve.The air-tightness of system is good.
Tank body of the present invention refers to the various container for accommodating detected medium, can be in round can shape, it is also possible to
In other shapes.
Claims (3)
1. can be used for a block-proof type air blast liquidometer for polyester reactor, including the first sleeve for being arranged on tank body
With the second sleeve pipe, it is characterised in that the upper end of described first sleeve and the second sleeve pipe is connected to the first seal ball-valve and second
Seal ball-valve, the upper end of described first seal ball-valve and the second seal ball-valve is separately installed with first and discloses needle device and second and disclose pin
Device, described first discloses needle device and second discloses needle device and is respectively equipped with first and discloses pin and second and disclose pin, in described first sleeve
Being provided with high-pressure side gas blow pipe, described high-pressure side gas blow pipe extends out from described first sleeve, and the first gas blow pipe and second blows
Being provided with the 3rd ball valve between trachea, the two ends of described 3rd ball valve connect the port of export of described first seal ball-valve and described respectively
The port of export of the second seal ball-valve, described first, second disclose needle device use be suitable for installation disclose pin and guarantee disclose pin can
Move axially and to extend to the form in corresponding sleeve pipe, described first sleeve and the second sleeve pipe by corresponding seal ball-valve equal
It is the jacket pipe of sandwich for its tube wall, in the hollow of described sandwich, is provided with heater/heating heating agent, described
The lower end of one seal ball-valve and the second seal ball-valve be directly connected to respectively or by connecting tube connect have the first upper flange and
Second upper flange, the upper end of described first sleeve and the second sleeve pipe is respectively equipped with the first lower flange and the second lower flange, and described
The upper end of sleeve and the connected mode of described first seal ball-valve are that described first upper flange passes through with described first lower flange
Bolt tightens together, and the upper end of described second sleeve pipe is described second upper flange with the connected mode of described second seal ball-valve
Together with being fastened by bolts with described second lower flange, the lower end of described first seal ball-valve and the connecting tube of the first upper flange
Being provided with the first gas blow pipe interface, described first gas blow pipe interface connects the first gas blow pipe, described second seal ball-valve
Lower end is provided with the second gas blow pipe interface with the connecting tube of the second upper flange, and described second gas blow pipe interface connects has second to blow
Trachea, the bottom of described high-pressure side gas blow pipe is provided with opening, and described opening is V-shaped, extends out from described first sleeve
Described high-pressure side gas blow pipe is provided with retainer ring, and described first gas blow pipe connects described the from its air inlet connecting source of the gas to it
The outlet side of one gas blow pipe interface be sequentially provided with the first air filtration decompressor, the first seal ball-valve, the first rotor effusion meter,
One constant flow valve and the first check (non-return) valve, described second gas blow pipe connects described second from its air inlet connecting source of the gas to it and blows
The outlet side of interface tube is sequentially provided with the second air filtration decompressor, the second seal ball-valve, the second spinner flowmeter, the second constant current
Amount valve and the second check (non-return) valve, the port of export of described first constant flow valve and described second constant flow valve is connected by pipeline the most respectively
The positive pressure side of differential pressure transmitter and negative pressure end.
2. block-proof type air blast liquidometer as claimed in claim 1, it is characterised in that described first discloses pin, the first seal ball-valve
Identical with the axis of first sleeve or differ, described second to disclose pin, the second seal ball-valve and the second casing axis identical or not
Identical, described first disclose pin and second to disclose pin be that rigidity discloses pin or flexibility discloses pin.
3. block-proof type air blast liquidometer as claimed in claim 2, it is characterised in that the extension of described high-pressure side gas blow pipe is long
Degree is 45-55 millimeter for making its lower end minimum range away from described inner tank wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210314725.9A CN102853876B (en) | 2012-08-30 | 2012-08-30 | Can be used for the block-proof type air blast liquidometer of polyester reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210314725.9A CN102853876B (en) | 2012-08-30 | 2012-08-30 | Can be used for the block-proof type air blast liquidometer of polyester reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102853876A CN102853876A (en) | 2013-01-02 |
| CN102853876B true CN102853876B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210314725.9A Active CN102853876B (en) | 2012-08-30 | 2012-08-30 | Can be used for the block-proof type air blast liquidometer of polyester reactor |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446252B (en) * | 2014-09-26 | 2019-06-21 | 上海孚凌自动化控制系统有限公司 | Gas insertion type liquid level measuring system |
| CN104296827B (en) * | 2014-10-30 | 2017-12-26 | 安徽金禾实业股份有限公司 | A kind of crystallization-preventive liquid level gauge |
| CN107782403B (en) * | 2017-10-23 | 2020-09-29 | 福建龙净脱硫脱硝工程有限公司 | Material level measuring device and material level measuring method |
| CN110579259A (en) * | 2018-06-11 | 2019-12-17 | 上海孚凌自动化控制系统有限公司 | Liquid level measuring device |
| CN108709602A (en) * | 2018-08-21 | 2018-10-26 | 贺业虎 | Blowing type liquid level meter |
| CN109357731A (en) * | 2018-12-21 | 2019-02-19 | 江苏国望高科纤维有限公司 | A kind of maintenance system and method for blowing type liquid level meter |
| CN112629613B (en) * | 2019-10-09 | 2022-07-05 | 上海孚凌自动化控制系统股份有限公司 | Air blowing type liquid level meter system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750207Y (en) * | 2004-11-22 | 2006-01-04 | 陈石林 | Self-compensation continuous purging block-proof pressure-taking apparatus |
| CN200952950Y (en) * | 2006-09-07 | 2007-09-26 | 梁斌 | Conic flowmeter antiplugging and descaling cleaning device |
| CN201666807U (en) * | 2010-03-17 | 2010-12-08 | 河北钢铁股份有限公司邯郸分公司 | Device for preventing pressure pipe of transmitter meter from being blocked |
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Address after: 100037 Beijing city Haidian District Zengguang Road No. 21 Patentee after: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Patentee after: China Textile Industry Design Institute Address before: 100037 Beijing city Haidian District Zengguang Road No. 21 Patentee before: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Patentee before: China Textile Industry Design Institute |
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Effective date of registration: 20170224 Address after: 100037 Beijing city Haidian District Zengguang Road No. 21 Patentee after: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Address before: 100037 Beijing city Haidian District Zengguang Road No. 21 Patentee before: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Patentee before: China Textile Industry Design Institute |
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Effective date of registration: 20201218 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. Address before: 100037 No. 21, shining road, Beijing, Haidian District Patentee before: CHINA KUNLUN CONTRACTING & ENGINEERING Corp. |