CN202342942U - Pulsed extraction column with diaphragm metering pump as mechanical pulse generator - Google Patents

Pulsed extraction column with diaphragm metering pump as mechanical pulse generator Download PDF

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Publication number
CN202342942U
CN202342942U CN2011204487691U CN201120448769U CN202342942U CN 202342942 U CN202342942 U CN 202342942U CN 2011204487691 U CN2011204487691 U CN 2011204487691U CN 201120448769 U CN201120448769 U CN 201120448769U CN 202342942 U CN202342942 U CN 202342942U
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CN
China
Prior art keywords
metering pump
diaphragm metering
diaphragm
pump
tower
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
CN2011204487691U
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Chinese (zh)
Inventor
王学军
徐盛明
谢凌峰
蒋树武
李林艳
曾中贤
赵洪海
徐刚
刘靖
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Tsinghua University
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Tsinghua University
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Publication date
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Priority to CN2011204487691U priority Critical patent/CN202342942U/en
Application granted granted Critical
Publication of CN202342942U publication Critical patent/CN202342942U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a pulsed extraction column with a diaphragm metering pump as a mechanical pulse generator, and belongs to the field of extraction equipment. A check valve ball of an inlet of the diaphragm metering pump is taken out; the inlet of the diaphragm metering pump is connected with a lower settling section of a pulsed extraction column; and an outlet of the diaphragm metering pump is connected with an exhaust pipe through a valve. The diaphragm metering pump is generally as high as the lower-middle part of an upper settling section. The metering pump works in a pulse mode, and is used as the mechanical pulse generator of the pulsed extraction column, so that the system is simplified, the reliability of the system is increased, the corrosion resistance is relatively high, the leakage of the system is avoided, and the extraction column works more stably.

Description

With the pulsed extraction tower of diaphragm metering pump as the mechanical pulsing generator
Technical field
The utility model belongs to the extraction equipment field, is specifically related to the pulsed extraction tower of diaphragm metering pump as the mechanical pulsing generator.
Background technology
The pulse perforated-plate extraction tower (Wang Jiading, Chen Jiayong. the solvent extraction handbook. Chemical Industry Press, 2001; 237 pages), pulsed packed tower (Wang Jiading; Chen Jiayong. solvent extraction handbook, Chemical Industry Press, 2001; 257 pages) and the pulse baffle extraction tower be three kinds of common pulsed extraction towers, the input of its power is all accomplished by impulse generator.The classification of impulse generator can be distinguished by the power transmission medium, can distinguish by gas pulses or mechanical pulsing again.Mechanical pulsing generator in the past generally uses the piston type impulse generator; Because this kind working method piston directly contacts with the extraction tower working media; So just have two serious problems, the 1. corrosion-resistant problem of piston system is 2. because the fricative leakage problem of mechanical movement.
Summary of the invention
To the problems referred to above, it is a kind of with the pulsed extraction tower of diaphragm metering pump as the mechanical pulsing generator that the utility model provides, and the utility model makes the mechanical pulsing generator work operation of pulsed extraction tower more stable, and corrosion resistance is stronger, applicable system is wider.The utility model uses diaphragm metering pump as impulse generator, and the extraction tower working media can only contact barrier film, does not therefore also just have corrosion and the leakage problem as the piston pulse generator, as long as the periodic replacement barrier film is just passable.
With the pulsed extraction tower of diaphragm metering pump as the mechanical pulsing generator, the unidirectional valve ball of the import of said diaphragm metering pump is removed, and the import of diaphragm metering pump links to each other with the following settling section of pulsed extraction tower, and the metering diaphragm delivery side of pump links to each other with blast pipe through valve.
The setting height(from bottom) of said diaphragm metering pump generally will be in the middle and lower part of last settling section, and the position should not be low excessively.
With the method for diaphragm metering pump as pulsed extraction tower mechanical pulsing generator, this method comprises the steps:
1) metering diaphragm pump inlet check valve ball is taken out (make check valve ineffective);
2) valve is installed in adjacent diaphragm metering pump exit, the valve top connects a blast pipe;
3) height of measuring pump installation is in last settling section middle and lower part;
4) the metering diaphragm pump inlet is connected with following settling section;
5) discharge whole air in the diaphragm metering pump cavity before the operation.
Diaphragm metering pump itself is with pulse mode work, with diaphragm metering pump as pulse-column mechanical pulsing generator with compare with reciprocating machine impulse generator mode, have following beneficial effect: 1. make the reliability of system increase stable equipment operation; 2. system's corrosion resistance is strong; 3. it is wide to be suitable for extraction system; 4. be not easy to leak.
Description of drawings
Fig. 1 is system's connection layout of the utility model
Label among the figure: the 1. diaphragm metering pump pump housing; 2. measuring pump barrier film; 3. measuring pump cavity; 4. valve (being air bleeding valve); 5. pump material inlet; 6. burst transmissions pipe; 7. pulse tube tower entrance; 8. light phase materials tower entrance; 9. the heavy phase material goes out Ta Kou; 10. descend settling section; 11. extraction tower column plate or filler; 12. extraction tower tower body; 13. heavy phase material tower entrance; 14. last settling section; 15. light phase materials outlet.
The specific embodiment
Below in conjunction with embodiment the utility model is described:
Embodiment 1: system is as shown in Figure 1; Pulsed extraction tower comprises tower body 12 and is arranged at the last settling section 14 and following settling section 10 of tower body upper and lower end respectively; Extraction tower column plate or filler 11 are equipped with in tower body 12 inside; Following settling section 10 is provided with pulse tube tower entrance 7, light phase materials tower entrance 8 and heavy phase material and goes out tower mouth 9, and last settling section 14 is provided with heavy phase material tower entrance 13 and light phase materials outlet 15.
Diaphragm metering pump mainly is made up of the pump head and the diaphragm metering pump pump housing 1; The unidirectional valve ball of the import of said diaphragm metering pump is removed; The pump material inlet 5 of diaphragm metering pump links to each other with the pulse tube tower entrance 7 of the following settling section 10 of pulsed extraction tower through burst transmissions pipe 6, and the metering diaphragm delivery side of pump links to each other with blast pipe through valve (being air bleeding valve) 4.
The said diaphragm metering pump pump housing 1 comprises motor and mechanical driving part and piston etc.The metering diaphragm pump housing 3 that is positioned at pump head is a flat arc-shaped cavity, and measuring pump barrier film 2 is positioned in the middle of two and half arcs, and measuring pump barrier film 2 connects with piston, and the reciprocating motion of piston has driven the reciprocating motion of barrier film 2, thereby has driven the reciprocating motion of liquid in the tower.
The setting height(from bottom) of said diaphragm metering pump is in the middle and lower part of last settling section 14, and making can be a little more than air bleeding valve 4 from the liquid level of burst transmissions pipe.Setting height(from bottom) is in the reason of the middle and lower part of last settling section 14: the too high words in measuring pump installation site can cause from the liquid level of burst transmissions pipe low excessively, thereby can't discharge the gas in the metering diaphragm pump housing 3 fully; The measuring pump installation site is low excessively, and it is excessive to make measuring pump barrier film 2 bear pressure, influences service life.
Corresponding with the method for diaphragm metering pump as pulsed extraction tower mechanical pulsing generator, this method may further comprise the steps:
1) metering diaphragm pump inlet check valve ball is taken out (make check valve ineffective);
2) valve 4 is installed in adjacent diaphragm metering pump exit, valve 4 tops connect a blast pipe;
3) height of measuring pump installation is in the middle and lower part of last settling section 14;
4) the pump material inlet 5 with diaphragm metering pump is connected with the pulse tube tower entrance 7 of the following settling section 10 of pulsed extraction tower through burst transmissions pipe 6;
5) when adopting the heavy phase consecutive hours, the heavy phase material gets into extraction tower through extraction tower heavy phase material tower entrance 13, opens air bleeding valve 4, and all gas in emptied of exhaust gases valve 4 to the metering diaphragm pump housing 3 is closed air bleeding valve 4 then, and extraction tower is undertaken by routine operation afterwards.
Embodiment 2: the present embodiment system and device is identical with embodiment 1; When adopting light phase consecutive hours, light phase materials gets into extraction tower through the light phase materials tower entrance 8 of extraction tower, opens air bleeding valve 4; All gas in emptied of exhaust gases valve 4 to the metering diaphragm pump housing 3;, close air bleeding valve 4 then, extraction tower is undertaken by routine operation afterwards.

Claims (2)

1. pulsed extraction tower; It is characterized in that: pulsed extraction tower comprises tower body (12) and is arranged at the last settling section (14) and the following settling section (10) of tower body upper and lower end respectively; With the mechanical pulsing generator of diaphragm metering pump as pulsed extraction tower; The unidirectional valve ball of the import of said diaphragm metering pump is removed, and the import of diaphragm metering pump (5) links to each other with the following settling section (10) of pulsed extraction tower, and the metering diaphragm delivery side of pump links to each other with blast pipe through valve (4).
2. pulsed extraction tower according to claim 1 is characterized in that: the setting height(from bottom) of said diaphragm metering pump is in the middle and lower part of last settling section (14).
CN2011204487691U 2011-11-11 2011-11-11 Pulsed extraction column with diaphragm metering pump as mechanical pulse generator Expired - Lifetime CN202342942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204487691U CN202342942U (en) 2011-11-11 2011-11-11 Pulsed extraction column with diaphragm metering pump as mechanical pulse generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204487691U CN202342942U (en) 2011-11-11 2011-11-11 Pulsed extraction column with diaphragm metering pump as mechanical pulse generator

Publications (1)

Publication Number Publication Date
CN202342942U true CN202342942U (en) 2012-07-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204487691U Expired - Lifetime CN202342942U (en) 2011-11-11 2011-11-11 Pulsed extraction column with diaphragm metering pump as mechanical pulse generator

Country Status (1)

Country Link
CN (1) CN202342942U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489035A (en) * 2011-11-11 2012-06-13 清华大学 Pulse extraction tower employing diaphragm metering pump as mechanical pulse generator and method thereof
EP3275522A1 (en) * 2016-07-28 2018-01-31 Kepco Nuclear Fuel Co., Ltd Apparatus and method for supplying pulse to solvent extraction column
CN112354210A (en) * 2020-09-24 2021-02-12 清华大学 Air pulse generating device of nuclear pulse extraction column

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489035A (en) * 2011-11-11 2012-06-13 清华大学 Pulse extraction tower employing diaphragm metering pump as mechanical pulse generator and method thereof
EP3275522A1 (en) * 2016-07-28 2018-01-31 Kepco Nuclear Fuel Co., Ltd Apparatus and method for supplying pulse to solvent extraction column
US20180033507A1 (en) * 2016-07-28 2018-02-01 Kepco Nuclear Fuel Co., Ltd. Apparatus and method for supplying pulse to solvent extraction column
US20190156963A1 (en) * 2016-07-28 2019-05-23 Kepco Nuclear Fuel Co., Ltd. Apparatus and method for supplying pulse to solvent extraction column
CN112354210A (en) * 2020-09-24 2021-02-12 清华大学 Air pulse generating device of nuclear pulse extraction column

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Granted publication date: 20120725