CN107261590A - A kind of multi-joint Vacuum filtration device - Google Patents

A kind of multi-joint Vacuum filtration device Download PDF

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Publication number
CN107261590A
CN107261590A CN201710446921.4A CN201710446921A CN107261590A CN 107261590 A CN107261590 A CN 107261590A CN 201710446921 A CN201710446921 A CN 201710446921A CN 107261590 A CN107261590 A CN 107261590A
Authority
CN
China
Prior art keywords
vacuum
suction
bottle
filtration device
vavuum pump
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.)
Pending
Application number
CN201710446921.4A
Other languages
Chinese (zh)
Inventor
刘自莲
彭金辉
吴国娟
李芬容
唐蕾
张梅
李毅
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.)
Kunming University of Science and Technology
Original Assignee
Kunming University of Science and Technology
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.)
Filing date
Publication date
Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN201710446921.4A priority Critical patent/CN107261590A/en
Publication of CN107261590A publication Critical patent/CN107261590A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/085Funnel filters; Holders therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/50Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/60Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring

Abstract

The invention discloses a kind of multi-joint Vacuum filtration device, power line connection power supply controls the unlatching of vavuum pump by power switch and closed down;Laboratory table bottom is provided with vavuum pump, buffer container, vacuum distribution and bottle,suction fixed mount are installed on laboratory table desktop, Suction filtration device is fixed by bottle,suction fixed mount, vavuum pump is connected by vacuum-resistant connecting tube with buffer container, buffer container is connected by vacuum-resistant connecting tube with vacuum distribution, and vacuum distribution is connected by vacuum-resistant connecting tube with multiple Suction filtration devices.Conveniently moving of the present invention;By setting the valve on vacuum distribution branch pipe, it is easy to open corresponding branch pipe valve according to sample size, closes other no valves, without because some branch pipe is temporarily without the use of causing vacuum to decline to a great extent, suction filtration efficiency being influenceed, so as to effectively improve operating efficiency;One vavuum pump can be while the multiple samples of suction filtration;Filtrate will not be by suck-back to vavuum pump;Bottle,suction is difficult down.

Description

A kind of multi-joint Vacuum filtration device
Technical field
The present invention relates to a kind of multi-joint Vacuum filtration device, belong to chemical analysis experiment equipment technical field.
Background technology
, need to first will examination during according to chlorion in the material such as ammonium thiocyanate volumetric determination flyash, cement in GB/T176 Sample is carried out boiling decomposition with salpeter solution, is then added the silver nitrate standard solution of known volume and is made the chlorion in sample with chlorine Silver nitrate excessive in filtrate is titrated after changing the form precipitation of silver, separation of solid and liquid.In order to reach the purpose of separation of solid and liquid, Typically it is filtered by vacuum with glass sand core funnel, most of traditional vacuum Suction filtration device used at present is that single vacuum is taken out Filter system is connected by a vavuum pump, a glass bottle,suction, a sealing-plug and a glass sand core funnel and vacuum-resistant Adapter composition, a vavuum pump once can only one sample of suction filtration, cause Suction filtration device inefficiency, especially run into hard-pumped During the sample of filter, one sample of suction filtration takes long enough, and seriously reduces detection efficiency;Bottle,suction is directly placed at desktop On, imprudence easily does bottle,suction to cause solution to be trickled down, and influences testing result;On the other hand, it can cause during misoperation Acid solution suck-back in bottle,suction is returned in vavuum pump, and corrosion is caused to vavuum pump, shortens the service life of vavuum pump;Vacuum is taken out Filter device is inconvenient to move, and other laboratories can only reconfigure Vacuum filtration device when needing to be filtered by vacuum, and cause Vacuum filtration device utilization rate is low.
The content of the invention
In order to which suck-back can cause vavuum pump rotten when overcoming inefficiency, misoperation that existing Vacuum filtration device is present Erosion is easily fallen so as to shorten service life of vacuum pump, bottle,suction, movement is inconvenient and causes the problem of utilization rate is low, and the present invention is carried A kind of multi-joint Vacuum filtration device is supplied.
The technical scheme is that:A kind of multi-joint Vacuum filtration device, by power line 1, power switch 2, vavuum pump 5, Vacuum-resistant connecting tube 6, laboratory table 7, atmospheric valve 8, buffer container 9, vacuum meter 10, vacuum breaker 11, vacuum distribution 12, take out Filter flask fixed mount 16 and Suction filtration device are constituted, and the Suction filtration device is made up of bottle,suction 15 and glass sand core funnel 13;
The power line 1 connects power supply, controls the unlatching of vavuum pump 5 by power switch 2 and closes down;Install the bottom of laboratory table 7 Have and buffer container 9, vacuum distribution 12 and bottle,suction fixed mount 16, Suction filtration device are installed on vavuum pump 5, the desktop of laboratory table 7 Fixed by bottle,suction fixed mount 16, vavuum pump 5 is connected by vacuum-resistant connecting tube 6 with buffer container 9, buffer container 9 passes through Vacuum-resistant connecting tube 6 is connected with vacuum distribution 12, and vacuum distribution 12 passes through vacuum-resistant connecting tube 6 and multiple Suction filtration device phases Even;
The bottom of buffer container 9 is provided with atmospheric valve 8, and liquid in buffer container 9 is entered for excluding suck-back during misoperation; The top of buffer container 9 is provided with vacuum breaker 11, for adjusting the vacuum in Suction filtration device;The top peace of buffer container 9 Equipped with vacuum meter 10, for measuring the vacuum in Suction filtration device, vacuum meter 10 and vacuum breaker 11 are used cooperatively, it is ensured that dress The vacuum put is in the tolerance range of bottle,suction 15.
The support of laboratory table 7 foot bottom is provided with universal wheel 3.
The vavuum pump 5 is fixed in the vavuum pump supporting plate 4 of the bottom of laboratory table 7.
Connected between the bottle,suction 15 and glass sand core funnel 13 by sealing-plug 14.
Bottle,suction fixed mount 16 is installed by bolt 17 on the desktop of laboratory table 7, bolt 17 is from the bottom up through experiment The bolt hole of the desktop of table 7, is fixed with nut II 20, is fixed on set top nut I 19 on the bolt 17 on the desktop of laboratory table 7, is put The bolt 17 of nut I 19 through the bolt hole 21 on bottle,suction fixed mount 16, through the bolt 17 of bottle,suction fixed mount 16 on cover There is wing nut 18;The position of bottle,suction fixed mount 16 is regulated according to the height nut I 19 of bottle,suction 15, wing nut is used 18 fix, and bottle,suction 15 are put into the bottle,suction hole 22 being provided with bottle,suction fixed mount 16.
The side of bottle,suction hole 22 is provided with the hole of evagination, is easy to connect the vacuum-resistant of vacuum distribution 12 and bottle,suction 15 Connecting tube 6 is passed through.
The buffer container 9 connects vacuum distribution 12 without the branch pipe of valve, bottle,suction 15 by vacuum-resistant connecting tube 6 Suction filtration mouth by vacuum-resistant connecting tube 6 through the side evagination of bottle,suction hole 22 hole connect branch of the vacuum distribution 12 with valve Pipe.
The beneficial effects of the invention are as follows:The present invention is by setting universal wheel so that Vacuum filtration device conveniently moving, is improved The utilization rate of Vacuum filtration device;By setting the valve on vacuum distribution branch pipe, it is easy to open phase according to sample size Branch pipe valve, the other no valves of closing answered, without because some branch pipe is temporarily without the use of under causing vacuum significantly Drop, influences suction filtration efficiency, so as to effectively improve operating efficiency;One vavuum pump can be while the multiple samples of suction filtration;Filtrate Will not be by suck-back to vavuum pump;Bottle,suction is difficult down.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the top view of fixed mount of the present invention;
Fig. 3 is the top view of vacuum distribution of the present invention;
Fig. 4 is the side view of vacuum distribution of the present invention;
In figure it is each marked as:1- power lines, 2- power switches, 3- universal wheels, 4- vavuum pump supporting plates, 5- vavuum pumps, 6- is resistance to true Empty connecting tube, 7- laboratory tables, 8- atmospheric valves, 9- buffer containers, 10- vacuum meters, 11- vacuum breakers, 12- vacuum distributions, 13- glass sand core funnels, 14- sealing-plugs, 15- bottle,suctions, 16- bottle,suction fixed mounts, 17- bolts, 18- wing nuts, 19- spiral shells I, 20- of mother nuts II, 21- bolts hole, 22- bottle,suctions hole.
Embodiment
With reference to the accompanying drawings and examples, the invention will be further described, but present disclosure be not limited to it is described Scope.
Embodiment 1:As Figure 1-4, a kind of multi-joint Vacuum filtration device, by power line 1, power switch 2, vavuum pump 5, Vacuum-resistant connecting tube 6, laboratory table 7, atmospheric valve 8, buffer container 9, vacuum meter 10, vacuum breaker 11, vacuum distribution 12, take out Filter flask fixed mount 16 and Suction filtration device are constituted, and the Suction filtration device is made up of bottle,suction 15 and glass sand core funnel 13;
The power line 1 connects power supply, controls the unlatching of vavuum pump 5 by power switch 2 and closes down;Install the bottom of laboratory table 7 Have and buffer container 9, vacuum distribution 12 and bottle,suction fixed mount 16, Suction filtration device are installed on vavuum pump 5, the desktop of laboratory table 7 Fixed by bottle,suction fixed mount 16, vavuum pump 5 is connected by vacuum-resistant connecting tube 6 with buffer container 9, buffer container 9 passes through Vacuum-resistant connecting tube 6 is connected with vacuum distribution 12, and vacuum distribution 12 passes through vacuum-resistant connecting tube 6 and multiple Suction filtration device phases Even;
The bottom of buffer container 9 is provided with atmospheric valve 8, and liquid in buffer container 9 is entered for excluding suck-back during misoperation; The top of buffer container 9 is provided with vacuum breaker 11, for adjusting the vacuum in Suction filtration device;The top peace of buffer container 9 Equipped with vacuum meter 10, for measuring the vacuum in Suction filtration device, vacuum meter 10 and vacuum breaker 11 are used cooperatively, it is ensured that dress The vacuum put is in the tolerance range of bottle,suction 15.
The vavuum pump 5 can be fixed in the vavuum pump supporting plate 4 of the bottom of laboratory table 7.
It can be connected between the bottle,suction 15 and glass sand core funnel 13 by sealing-plug 14.
Bottle,suction fixed mount 16 can be installed by bolt 17 on the desktop of laboratory table 7, bolt 17 is passed through from the bottom up The bolt hole of the desktop of laboratory table 7, is fixed with nut II 20, is fixed on set top nut I 19 on the bolt 17 on the desktop of laboratory table 7, The bolt 17 of top nut I 19 is covered through the bolt hole 21 on bottle,suction fixed mount 16, through the bolt 17 of bottle,suction fixed mount 16 On be cased with wing nut 18;The position of bottle,suction fixed mount 16 is regulated according to the height nut I 19 of bottle,suction 15, butterfly is used Nut 18 is fixed, and bottle,suction 15 is put into the bottle,suction hole 22 being provided with bottle,suction fixed mount 16.
The side of bottle,suction hole 22 can be provided with the hole of evagination, be easy to connect the resistance to of vacuum distribution 12 and bottle,suction 15 Vacuum connection tube 6 is passed through.
The buffer container 9 can connect vacuum distribution 12 without the branch pipe of valve, suction filtration by vacuum-resistant connecting tube 6 The suction filtration mouth of bottle 15 can pass through the hole of the side evagination of bottle,suction hole 22 to connect the band of vacuum distribution 12 by vacuum-resistant connecting tube 6 The branch pipe of valve.
The vacuum meter 10 can be pressure vacuum gauge.
Embodiment 2:As Figure 1-4, a kind of multi-joint Vacuum filtration device, by power line 1, power switch 2, vavuum pump 5, Vacuum-resistant connecting tube 6, laboratory table 7, atmospheric valve 8, buffer container 9, vacuum meter 10, vacuum breaker 11, vacuum distribution 12, take out Filter flask fixed mount 16 and Suction filtration device are constituted, and the Suction filtration device is made up of bottle,suction 15 and glass sand core funnel 13;
The power line 1 connects power supply, controls the unlatching of vavuum pump 5 by power switch 2 and closes down;Install the bottom of laboratory table 7 Have and buffer container 9, vacuum distribution 12 and bottle,suction fixed mount 16, Suction filtration device are installed on vavuum pump 5, the desktop of laboratory table 7 Fixed by bottle,suction fixed mount 16, vavuum pump 5 is connected by vacuum-resistant connecting tube 6 with buffer container 9, buffer container 9 passes through Vacuum-resistant connecting tube 6 is connected with vacuum distribution 12, and vacuum distribution 12 passes through vacuum-resistant connecting tube 6 and multiple Suction filtration device phases Even(Vacuum distribution 12 is needed to be connected by vacuum-resistant connecting tube 6 with 1,2,3,4 etc. according to experiment, such as Fig. 2 In illustrate 6);
The bottom of buffer container 9 is provided with atmospheric valve 8, and liquid in buffer container 9 is entered for excluding suck-back during misoperation; The top of buffer container 9 is provided with vacuum breaker 11, for adjusting the vacuum in Suction filtration device;The top peace of buffer container 9 Equipped with vacuum meter 10, for measuring the vacuum in Suction filtration device, vacuum meter 10 and vacuum breaker 11 are used cooperatively, it is ensured that dress The vacuum put is in the tolerance range of bottle,suction 15.
The support of laboratory table 7 foot bottom can be provided with universal wheel 3, Vacuum filtration device can be moved into needs easily Laboratory, improve the utilization rate of Vacuum filtration device.
The vavuum pump 5 can be fixed in the vavuum pump supporting plate 4 of the bottom of laboratory table 7.
It can be connected between the bottle,suction 15 and glass sand core funnel 13 by sealing-plug 14.
Bottle,suction fixed mount 16 can be installed by bolt 17 on the desktop of laboratory table 7, bolt 17 is passed through from the bottom up The bolt hole of the desktop of laboratory table 7, is fixed with nut II 20, is fixed on set top nut I 19 on the bolt 17 on the desktop of laboratory table 7, The bolt 17 of top nut I 19 is covered through the bolt hole 21 on bottle,suction fixed mount 16, through the bolt 17 of bottle,suction fixed mount 16 On be cased with wing nut 18;The position of bottle,suction fixed mount 16 is regulated according to the height nut I 19 of bottle,suction 15, butterfly is used Nut 18 is fixed, and bottle,suction 15 is put into the bottle,suction hole 22 being provided with bottle,suction fixed mount 16.
The side of bottle,suction hole 22 can be provided with the hole of evagination, be easy to connect the resistance to of vacuum distribution 12 and bottle,suction 15 Vacuum connection tube 6 is passed through.
The buffer container 9 can connect vacuum distribution 12 without the branch pipe of valve, suction filtration by vacuum-resistant connecting tube 6 The suction filtration mouth of bottle 15 can pass through the hole of the side evagination of bottle,suction hole 22 to connect the band of vacuum distribution 12 by vacuum-resistant connecting tube 6 The branch pipe of valve.
The present invention the course of work be:
Vavuum pump 5 and buffer container 9, buffer container 9 and vacuum distribution 12 are connected with vacuum-resistant connecting tube 6, according to bottle,suction 15 height nut 19 regulates the position of bottle,suction fixed mount 16, is fixed with wing nut 18, and bottle,suction 15 is put into and taken out In filter flask hole 22, branch pipe of the vacuum distribution 12 with valve and bottle,suction 15 are connected with vacuum-resistant connecting tube, passes through sealing-plug 14 Bottle,suction 15 is connected with glass sand core funnel 13.
The test solution for needing suction filtration is poured into glass sand core funnel 13, the valve of the corresponding branch pipe of vacuum distribution 12 is opened, 2 are turned on the power switch, vavuum pump 5 is vacuumized to buffer container 9, vacuum distribution 12, bottle,suction 15, leak glass core Test solution separation of solid and liquid in bucket 13, filtrate is collected in bottle,suction 15, and solid is trapped in glass sand core funnel 13, passes through vacuum Regulating valve 11 can adjust the vacuum of buffer container 9 so as to adjust the vacuum in Suction filtration device indirectly, and vacuum degree passes through true Empty table 10 shows, if because maloperation causes filtrate suck-back to return in buffer container 9, can be by the filter in buffer container 9 by atmospheric valve 8 Liquid is vented.
Above in conjunction with accompanying drawing to the present invention embodiment be explained in detail, but the present invention be not limited to it is above-mentioned Embodiment, can also be before present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess Put that various changes can be made.

Claims (7)

1. a kind of multi-joint Vacuum filtration device, it is characterised in that:By power line(1), power switch(2), vavuum pump(5), it is resistance to true Empty connecting tube(6), laboratory table(7), atmospheric valve(8), buffer container(9), vacuum meter(10), vacuum breaker(11), vacuum point Orchestration(12), bottle,suction fixed mount(16)Constituted with Suction filtration device, the Suction filtration device is by bottle,suction(15)With the leakage of glass core Bucket(13)Composition;
The power line(1)Power supply is connected, passes through power switch(2)Control vavuum pump(5)Unlatching and close down;Laboratory table(7) Bottom is provided with vavuum pump(5), laboratory table(7)Buffer container is installed on desktop(9), vacuum distribution(12)And bottle,suction is solid Determine frame(16), Suction filtration device passes through bottle,suction fixed mount(16)It is fixed, vavuum pump(5)Pass through vacuum-resistant connecting tube(6)With buffering Container(9)It is connected, buffer container(9)Pass through vacuum-resistant connecting tube(6)With vacuum distribution(12)It is connected, vacuum distribution(12) Pass through vacuum-resistant connecting tube(6)It is connected with multiple Suction filtration devices;
The buffer container(9)Bottom is provided with atmospheric valve(8), buffer container is entered for excluding suck-back during misoperation(9)In Liquid;Buffer container(9)Top is provided with vacuum breaker(11), for adjusting the vacuum in Suction filtration device;Buffering is held Device(9)Top vacuum meter is installed(10), for measuring the vacuum in Suction filtration device, vacuum meter(10)And vacuum breaker (11)Use cooperatively, it is ensured that the vacuum in device is in bottle,suction(15)Tolerance range in.
2. multi-joint Vacuum filtration device according to claim 1, it is characterised in that:The laboratory table(7)Support foot bottom Universal wheel is installed(3).
3. multi-joint Vacuum filtration device according to claim 1 or 2, it is characterised in that:The vavuum pump(5)It is fixed on reality Test table(7)The vavuum pump supporting plate of bottom(4)On.
4. multi-joint Vacuum filtration device according to claim 1 or 2, it is characterised in that:The bottle,suction(15)With glass Sand core funnel(13)Between pass through sealing-plug(14)Connection.
5. multi-joint Vacuum filtration device according to claim 1 or 2, it is characterised in that:The laboratory table(7)Lead on desktop Cross bolt(17)Bottle,suction fixed mount is installed(16), bolt(17)Laboratory table is passed through from the bottom up(7)The bolt hole of desktop, uses spiral shell Mother II(20)It is fixed, it is fixed on laboratory table(7)Bolt on desktop(17)Above cover top nut I(19), cover top nut I(19)Spiral shell Bolt(17)Through bottle,suction fixed mount(16)On bolt hole(21), through bottle,suction fixed mount(16)Bolt(17)On be cased with Wing nut(18);According to bottle,suction(15)Height nut I(19)Regulate bottle,suction fixed mount(16)Position, use butterfly Shape nut(18)It is fixed, by bottle,suction(15)It is put into bottle,suction fixed mount(16)On the bottle,suction hole that is provided with(22)In.
6. multi-joint Vacuum filtration device according to claim 1 or 2, it is characterised in that:The bottle,suction hole(22)Side The hole of evagination is provided with, is easy to connect vacuum distribution(12)And bottle,suction(15)Vacuum-resistant connecting tube(6)Pass through.
7. multi-joint Vacuum filtration device according to claim 6, it is characterised in that:The buffer container(9)By resistance to true Empty connecting tube(6)Connect vacuum distribution(12)Without the branch pipe of valve, bottle,suction(15)Suction filtration mouth connected by vacuum-resistant Pipe(6)Through bottle,suction hole(22)The hole connection vacuum distribution of side evagination(12)Branch pipe with valve.
CN201710446921.4A 2017-06-14 2017-06-14 A kind of multi-joint Vacuum filtration device Pending CN107261590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710446921.4A CN107261590A (en) 2017-06-14 2017-06-14 A kind of multi-joint Vacuum filtration device

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Application Number Priority Date Filing Date Title
CN201710446921.4A CN107261590A (en) 2017-06-14 2017-06-14 A kind of multi-joint Vacuum filtration device

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CN107261590A true CN107261590A (en) 2017-10-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112386983A (en) * 2020-10-23 2021-02-23 广东电网有限责任公司广州供电局 Insulator ash density vacuum filtration device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105233548A (en) * 2015-11-03 2016-01-13 攀枝花学院 Quick filtering device for laboratories
CN205252588U (en) * 2015-12-31 2016-05-25 广州甘蔗糖业研究所 Many glasss of parallelly connected psammitolite funnel vacuum suction filter device
CN205516734U (en) * 2016-01-21 2016-08-31 浙江省水利河口研究院 Multiple vacuum filtration voltage regulator device of measurable
CN205815771U (en) * 2016-07-21 2016-12-21 中国农业科学院兰州畜牧与兽药研究所 A kind of test tube rack
CN207056060U (en) * 2017-06-14 2018-03-02 昆明理工大学 A kind of multi-joint Vacuum filtration device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105233548A (en) * 2015-11-03 2016-01-13 攀枝花学院 Quick filtering device for laboratories
CN205252588U (en) * 2015-12-31 2016-05-25 广州甘蔗糖业研究所 Many glasss of parallelly connected psammitolite funnel vacuum suction filter device
CN205516734U (en) * 2016-01-21 2016-08-31 浙江省水利河口研究院 Multiple vacuum filtration voltage regulator device of measurable
CN205815771U (en) * 2016-07-21 2016-12-21 中国农业科学院兰州畜牧与兽药研究所 A kind of test tube rack
CN207056060U (en) * 2017-06-14 2018-03-02 昆明理工大学 A kind of multi-joint Vacuum filtration device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112386983A (en) * 2020-10-23 2021-02-23 广东电网有限责任公司广州供电局 Insulator ash density vacuum filtration device

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