CN203011479U - Anti-blocking air blowing liquid level meter applicable to polyester reactor - Google Patents

Anti-blocking air blowing liquid level meter applicable to polyester reactor Download PDF

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Publication number
CN203011479U
CN203011479U CN 201220436443 CN201220436443U CN203011479U CN 203011479 U CN203011479 U CN 203011479U CN 201220436443 CN201220436443 CN 201220436443 CN 201220436443 U CN201220436443 U CN 201220436443U CN 203011479 U CN203011479 U CN 203011479U
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CN
China
Prior art keywords
valve
gas blow
liquid level
sleeve pipe
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220436443
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Chinese (zh)
Inventor
周华堂
许贤文
刘凤
姜平
胡勇锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
China Kunlun Contracting and Engineering Corp
Original Assignee
China Textile Industry Design Institute
China Kunlun Contracting and Engineering Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by China Textile Industry Design Institute, China Kunlun Contracting and Engineering Corp filed Critical China Textile Industry Design Institute
Priority to CN 201220436443 priority Critical patent/CN203011479U/en
Application granted granted Critical
Publication of CN203011479U publication Critical patent/CN203011479U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to an anti-blocking air blowing liquid level meter applicable to a polyester reactor. The anti-blocking air blowing liquid level meter comprises a first sleeve and a second sleeve; the upper ends of the first sleeve and the second sleeve are respectively connected with a first sealing ball valve and a second sealing ball valve; the upper ends of the first sealing ball valve and the second sealing ball valve are respectively mounted with a first poking pin device and a second poking pin device; the first poking pin device and the second poking pin device are respectively provided with a first poking pin and a second poking pin; heating devices/heating heat mediums are arranged in the hollow parts of interlayers of the first sleeve and the second sleeve; a first high pressure side air blowing pipe is arranged in the first sleeve; an opening which is of a V-shaped structure is arranged at the bottom of the high pressure side air blowing pipe; and the first sleeve and the second sleeve are respectively mounted on the side wall and the top of a tank body. According to the liquid level meter, the blockage of the pipeline is effectively prevented; the liquid level meter is wide in application range, good in reliability and high in precision, and is applicable to the liquid level measurement of a second pre-condensation reactor, a final-condensation reactor and other situations.

Description

The block-proof type air blast liquid level gauge that can be used for polyester reactor
Technical field
The utility model relates to a kind of block-proof type air blast liquid level gauge that can be used for polyester reactor, mainly can be used for the level gauging under the second Prepolycondensating reactor and final polycondensation reactor or other suitable occasions.
Background technology
Liquid level in existing polyester device under the occasions such as the second Prepolycondensating reactor and final polycondensation reactor detects, mostly adopt gamma ray tank gage to measure liquid level, because gamma ray tank gage is expensive, installation and maintenance all bothers very much, gamma-rays itself has injury to human body, very not energy-conserving and environment-protective, and the air blast liquid level gauge gas blow pipe that also has the part polyester device to adopt does not in addition have clogging-preventing measures, but because gas blow pipe often stops up, affected the measurement of liquid level.
The utility model content
For overcoming the defects of prior art, the utility model provides a kind of block-proof type air blast liquid level gauge that can be used for polyester reactor, and this air blast liquid level gauge can prevent line clogging effectively.
the utility model realizes that the technical scheme of above-mentioned purpose is: a kind of block-proof type air blast liquid level gauge that can be used for polyester reactor, comprise the first sleeve pipe and the second sleeve pipe, the upper end of described the first sleeve pipe and the second sleeve pipe is connected with respectively the first seal ball-valve and the second seal ball-valve, the upper end of described the 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 the first sleeve pipe is arranged on the sidewall of described tank body, oblique to downward-extension, described the second sleeve pipe is arranged on the top of described tank body, extend vertically downward.
disclose needle device owing to being provided with by seal ball-valve on two sleeve pipes of air blast liquid level gauge, when in sleeve pipe or sleeve pipe, other pipelines are blocked, can open seal ball-valve, use is disclosed pin and is passed seal ball-valve and disclose into other pipelines in sleeve pipe or sleeve pipe, to stop up material discloses, and seal ball-valve is closed when normally detecting, can not bring negative effect because of the existence of disclosing pin, convenient thus, effectively solved long-term puzzlement people's blowing type liquid level meter because stopping up the problem that lost efficacy, realized the anti-blocking purpose of liquid level gauge, enlarged the adaptation occasion of liquid level gauge, improved the reliability that detects data, experiment according to the applicant, it is high that this blowing type liquid level meter can be adapted to the dielectric viscosities such as the second Prepolycondensating reactor and final polycondensation reactor well, be easy to occur the occasion of line clogging.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Referring to Fig. 1, the utility model provides a kind of block-proof type air blast liquid level gauge that can be used for polyester reactor, it comprises be used to the first sleeve pipe 20 and the second sleeve pipe 21 that are arranged on tank body 22, the upper end of described the first sleeve pipe and the second sleeve pipe is connected with respectively the first seal ball-valve 9 and the second seal ball-valve 19, the upper end of described the 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, and described first discloses needle device and second discloses needle device and be respectively equipped with first and disclose pin 8 and second and disclose pin 18.Describedly disclose the form that needle device can adopt any suitable, be used for to install and to disclose pin and to guarantee to disclose that pin can move axially and extend in corresponding sleeve pipe by corresponding seal ball-valve, so that after opening corresponding seal ball-valve, to disclose pin and disclose into sleeve pipe, to eliminate the obstruction of other pipelines in sleeve pipe or sleeve pipe.For example, the described needle device of disclosing can be one section short tube, its pore and the described pin of disclosing adapt, can insert in this short tube disclosing accordingly pin, and it is axially movable smooth and easy and stable along pore to guarantee to disclose pin, can be provided with on described short tube for fixedly disclosing disclosing the pin fixed mechanism and/or disclosing the axially movable needle drive mechanism of disclosing of pin for driving of pin.
Usually, the described first axis of disclosing pin, the first seal ball-valve and the first sleeve pipe can identical (each axis be on the same straight line), can conveniently disclose moving axially of pin like this, particularly allow to adopt the pin of disclosing of rigidity, so that operate and improve and dredge effect, according to actual needs, the described first axis of disclosing pin, the first seal ball-valve and the first sleeve pipe also can not identical (each axis be on the same straight line), in this case, by selecting the suitable pin of disclosing equally also can realize dredging.
Equally, described second disclose pin, the second seal ball-valve and the second casing axis also can be identical or not identical.
The described pin of disclosing is elongated shaft-like usually.
According to actual needs, described first discloses pin and second discloses pin and can disclose pin for rigidity, also can disclose pin for flexibility.
Described the first sleeve pipe and the second sleeve pipe all can adopt the structural pipe wall of individual layer, also all can adopt its tube wall to be the jacket pipe of sandwich construction (being provided with the structure of hollow), can be provided with heating arrangement/heating heating agent in the hollow of described sandwich construction, by heating arrangement/heating heating agent, more can be to the dielectric heating in sleeve pipe, in order to more effectively prevent frozen plug.
the lower end of described the first seal ball-valve and the second seal ball-valve can directly be connected with respectively or be connected with the first upper flange 24 and the second upper flange 25 by connecting pipe, the upper end of described the first sleeve pipe and the second sleeve pipe is respectively equipped with the first lower flange 26 and the second lower flange 27, the connected mode of the upper end of described the first sleeve pipe and described the first seal ball-valve is that described the first upper flange and described the first lower flange pass through bolted together, the connected mode of the upper end of described the second sleeve pipe and described the second seal ball-valve is that described the second upper flange is in the same place by bolted with described the second lower flange.Adopt this connected mode, be conducive to processing and the overall package of each part, maintain easily.
Can be provided with the first gas blow pipe interface on the connecting pipe of the lower end of described the first seal ball-valve and the first upper flange or on described the first upper flange, be connected with the first gas blow pipe 1 on described the first gas blow pipe interface, can be provided with the second gas blow pipe interface on the connecting pipe of the lower end of described the second seal ball-valve and the second upper flange or on described the first upper flange, be connected with the second gas blow pipe 12 on described the second gas blow pipe interface, realized easily thus being connected of each gas blow pipe and respective sleeve.
Can be provided with high-pressure side gas blow pipe 10 in described the first sleeve pipe, described high-pressure side gas blow pipe extends out from described the first sleeve pipe, can extend to by the outlet (opening on the gas blow pipe of described high-pressure side) that described high-pressure side gas blow pipe will be blown thus the appropriate location in tank body, adapt to corresponding level gauging requirement.
Usually, the bottom of described high-pressure side gas blow pipe is provided with opening, and described opening is preferably V-shaped, by applicant's experiment, the opening of this shape can effectively be avoided forming larger bubble and affect measuring accuracy, also effectively prevents from addition or reduce suspended particle entering bottom gas blow pipe.
Can be provided with set collar 11 on the described high-pressure side gas blow pipe that extends out from described the first sleeve pipe, can realize thus to the high-pressure side gas blow pipe fixing in tank body, the convenient detection improved accuracy of detection.
The development length of described high-pressure side gas blow pipe is to make its lower end be preferably the 45-55 millimeter apart from the minor increment of described inner tank wall, to avoid the impact of tube wall, improves the accuracy that detects.
usually, described the first gas blow pipe is provided with the first air filtration decompressor 2 from the air intake opening that it connects source of the gas successively to the outlet side that it connects described the first gas blow pipe interface, the first ball valve 3, the first rotor flowmeter 5, the first constant flow valve 6 and the first check (non-return) valve 7, described the second gas blow pipe is provided with the second air filtration decompressor 13 from the air intake opening that it connects source of the gas successively to the outlet side that it connects described the second gas blow pipe interface, the second ball valve 14, the second spinner-type flowmeter 15, the second constant flow valve 16 and the second check (non-return) valve 17, described the first constant flow valve be connected the endpiece of the second constant flow valve and also connect respectively positive pressure side and the negative pressure end of differential pressure transmitter 29 by pipeline.Can control corresponding air-flow thus, realize 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 the first gas blow pipe and the second gas blow pipe, the two ends of described the 3rd ball valve connect respectively the endpiece of described the first ball valve and the endpiece of described the second ball valve, pass through the 3rd ball valve 4 air feed in the time of can guaranteeing thus road gas blow pipe mistake gas in the first gas blow pipe and the second gas blow pipe.
Compare with existing blowing type liquid level meter, the utlity model has following obvious characteristics:
(1) the gas blow pipe bottom opening is opened " V " shape mouth, can avoid forming larger bubble and affects measuring accuracy, also reduces in addition suspended particle and enters the gas blow pipe bottom.
(2) gas blow pipe bottom from the distance of inwall can not be too close to, the utility model designed distance is 50mm.
(3) adopt the chuck heating to prevent that material from solidifying putty for the medium that easily solidifies.
(4) disclose the pin design in the gas blow pipe employing, turn on seal ball-valve during putty, with disclosing pin dredging gas blow pipe.
(5) check (non-return) valve is installed on gas blow pipe, reverse to prevent air-flow.
(6) the constant of constant flow valve and spinner-type flowmeter assurance air blowing flow established in employing on the high and low pressure side gas blow pipe.
(7) adopt the welding Leakage prevention for the connection of demanding all gas circuits of reactor of vacuum tightness, seal ball-valve adopts vacuum valve.The impermeability of system is good.
The first sleeve pipe that the utility model relates to and the installation site of the second sleeve pipe on tank body can be determined by prior art or other suitable technology according to testing requirement.
The various containers be used to holding detected medium of tank body general reference described in the utility model can be the round can shape, also can be other shapes.

Claims (10)

1. block-proof type air blast liquid level gauge that can be used for polyester reactor, comprise the first sleeve pipe and the second sleeve pipe, the upper end that it is characterized in that described the first sleeve pipe and the second sleeve pipe is connected with respectively the first seal ball-valve and the second seal ball-valve, the upper end of described the 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 the first sleeve pipe is arranged on the sidewall of described tank body, oblique to downward-extension, described the second sleeve pipe is arranged on the top of described tank body, extend vertically downward.
2. block-proof type air blast liquid level gauge as claimed in claim 1, it is characterized in that described first, to disclose the axis of pin, the first seal ball-valve and the first sleeve pipe identical or not identical, described second disclose pin, the second seal ball-valve is identical with the second casing axis or not identical, described first discloses pin and second, and to disclose pin be that rigidity is disclosed pin or flexibility is disclosed pin.
3. block-proof type air blast liquid level gauge as claimed in claim 1 or 2, is characterized in that described the first sleeve pipe and the second sleeve pipe are the jacket pipe that its tube wall is sandwich construction, are provided with heating arrangement/heating heating agent in the hollow of described sandwich construction.
4. block-proof type air blast liquid level gauge as claimed in claim 3, the lower end that it is characterized in that described the first seal ball-valve and the second seal ball-valve directly is connected with respectively or is connected with the first upper flange and the second upper flange by connecting pipe, the upper end of described the first sleeve pipe and the second sleeve pipe is respectively equipped with the first lower flange and the second lower flange, the connected mode of the upper end of described the first sleeve pipe and described the first seal ball-valve is that described the first upper flange and described the first lower flange pass through bolted together, the connected mode of the upper end of described the second sleeve pipe and described the second seal ball-valve is that described the second upper flange is in the same place by bolted with described the second lower flange.
5. block-proof type air blast liquid level gauge as claimed in claim 4, it is characterized in that the lower end of described the first seal ball-valve and the connecting pipe of the first upper flange are provided with the first gas blow pipe interface, be connected with the first gas blow pipe on described the first gas blow pipe interface, the connecting pipe of the lower end of described the second seal ball-valve and the second upper flange is provided with the second gas blow pipe interface, is connected with the second gas blow pipe on described the second gas blow pipe interface.
6. block-proof type air blast liquid level gauge as claimed in claim 5, is characterized in that being provided with the high-pressure side gas blow pipe in described the first sleeve pipe, and described high-pressure side gas blow pipe extends out from described the first sleeve pipe.
7. block-proof type air blast liquid level gauge as claimed in claim 6, is characterized in that the bottom of described high-pressure side gas blow pipe is provided with opening, and described opening is V-shaped.
8. block-proof type air blast liquid level gauge as claimed in claim 7, it is characterized in that the described high-pressure side gas blow pipe that extends out from described the first sleeve pipe is provided with set collar, the development length of described high-pressure side gas blow pipe is that to make its lower end be the 45-55 millimeter apart from the minor increment of described inner tank wall.
9. block-proof type air blast liquid level gauge as claimed in claim 8, it is characterized in that described the first gas blow pipe is provided with the first air filtration decompressor from the air intake opening that it connects source of the gas successively to the outlet side that it connects described the first gas blow pipe interface, the first ball valve, the first rotor flowmeter, the first constant flow valve and the first check (non-return) valve, described the second gas blow pipe is provided with the second air filtration decompressor from the air intake opening that it connects source of the gas successively to the outlet side that it connects described the second gas blow pipe interface, the second ball valve, the second spinner-type flowmeter, the second constant flow valve and the second check (non-return) valve, described the first constant flow valve be connected the endpiece of the second constant flow valve and also connect respectively positive pressure side and the negative pressure end of differential pressure transmitter by pipeline.
10. block-proof type air blast liquid level gauge as claimed in claim 9, it is characterized in that being provided with the 3rd ball valve between described the first gas blow pipe and the second gas blow pipe, the two ends of described the 3rd ball valve connect respectively the endpiece of described the first ball valve and the endpiece of described the second ball valve.
CN 201220436443 2012-08-30 2012-08-30 Anti-blocking air blowing liquid level meter applicable to polyester reactor Expired - Lifetime CN203011479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220436443 CN203011479U (en) 2012-08-30 2012-08-30 Anti-blocking air blowing liquid level meter applicable to polyester reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220436443 CN203011479U (en) 2012-08-30 2012-08-30 Anti-blocking air blowing liquid level meter applicable to polyester reactor

Publications (1)

Publication Number Publication Date
CN203011479U true CN203011479U (en) 2013-06-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897229A (en) * 2015-06-26 2015-09-09 山东钢铁股份有限公司 Portable online purging device for differential pressure flowmeter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897229A (en) * 2015-06-26 2015-09-09 山东钢铁股份有限公司 Portable online purging device for differential pressure flowmeter

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

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

TR01 Transfer of patent right

Effective date of registration: 20170303

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

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201216

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.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130619