CN102455344A - Multi-connected sludge specific resistance measurement device - Google Patents
Multi-connected sludge specific resistance measurement device Download PDFInfo
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- CN102455344A CN102455344A CN2010105163098A CN201010516309A CN102455344A CN 102455344 A CN102455344 A CN 102455344A CN 2010105163098 A CN2010105163098 A CN 2010105163098A CN 201010516309 A CN201010516309 A CN 201010516309A CN 102455344 A CN102455344 A CN 102455344A
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Abstract
The utility model discloses a multi-connected sludge specific resistance measurement device comprising an experiment table, the bottom of the experiment table is provided with casters, the interior of the experiment table is fixedly provided with a vacuum pump; a table top of the experiment table is fixed with a three-dimensional plate and a tree-form pipe; the table top of the experiment table is internally embedded with a filter flask as well as a plurality of grooves that are internally embedded with metering cylinders provided with Busher funnels; a raised filter nozzle is arranged above each metering cylinder; the filter nozzles of the metering cylinders are respectively connected on one branch pipe of the tree-form pipe by a rubber pipe and a control valve; a main pipe of the tree-form pipe is connected with the filter flask, a vacuum meter and a rotor flow meter; the vacuum meter and the rotor flow meter are fixed on the three-dimensional plate; and the filter flask is connected with the vacuum pump by a pipe. The multi-connected sludge specific resistance measurement device has the advantages of simultaneous conduction on a plurality of groups of data, integration, convenience in moving, high measurement precision, and automatic control.
Description
Technical field
The present invention relates to a kind of measurement mechanism, especially relate to a kind of multiple mud resistivity determinator of measuring sludge dewatering resistivity parameter.
Background technology
Resistivity is a major parameter of reflection dewatering performance of sludge, and its physical significance is: when the mud of unit weight filters under certain pressure, and the resistance on the unit filter area, the resistance that promptly the filter cake per dry wt is had on the unit filter area.The influence factor that resistivity is measured comprises: experimental pressure, solid content and other parameters etc., in this experiment, major parameter is to confirm the slope of t/V～V linear regression.Therefore, accurately measure each parameter and reduce experimental error, great to the accuracy influence of experimental result.
At present; The resistivity device that each enterprise, colleges and universities and R&D institution use is many to be assembled by assemblies such as Buchner funnel, metering cylinder, iron stand, tensimeter, bottle,suction and vacuum pumps temporarily; Have cracky, dismounting is consuming time; Shortcomings such as the vertical drip of filtrating very easily causes liquid fluctuating in the suction filtration process, and reading error is big.Though and the mud resistivity determinator of production recently or use need not be built temporarily, very flexible, and a Buchner funnel and metering cylinder only are housed mostly, and can only carry out single experiment, be inappropriate for many people and use or organize sample more and measure simultaneously.
Disclose a kind of mud resistivity determinator in the Chinese patent document " mud resistivity determinator " (Granted publication CN201203605), formed tube by metering cylinder, Buchner funnel, vacuum meter, suction strainer tube, antiaircraft valve, vacuum pump, fixed mount and filter paper placer.Its deficiency is: 1. this device has only been realized the integrated of a cover suction filtration unit, is only applicable to single single kind of independent experiment, and what be unfavorable for that many group students test simultaneously carries out, and the parallel appearance of perhaps many groups experimentizes simultaneously.2. the swan-neck opening of Buchner funnel lower end is to open wide downwards, and when dewatering performance of sludge is good, filtrating is extracted out when too fast, very easily occurs dabbling and influences the phenomenon of liquid fluctuating, can not obtain desirable antidrip effect.3. critical pieces such as Buchner funnel, suction strainer tube, vacuum pump are dispersed on the worktable in the whole device, do not form removable incorporate device, still have problems such as dismounting and carrying inconvenience.
Summary of the invention
To problem set forth above, the object of the invention is to provide a kind of can measure multi-group data, integrated, the convenient multiple mud resistivity determinator that moves, measures the precision height and have automatic control simultaneously.
The present invention realizes through following technical measures, and a kind of multiple mud resistivity determinator comprises that the bottom is equipped with the experiment table of castor; Said experiment table internal fixation is equipped with vacuum pump; Be fixed with a solid panel and a tree-like pipe on the table top of said experiment table, the table top of said experiment table has been embedded in bottle,suction, also is provided with a plurality of grooves on the table top of said experiment table; Each groove be embedded in one Buchner funnel is installed metering cylinder; The top of this metering cylinder is provided with the suction filtration mouth of a protrusion, and the suction filtration mouth of each metering cylinder is connected on the arm of tree-like pipe through a sebific duct and an operation valve respectively, and the main pipe of tree-like pipe connects bottle,suction, vacuum meter and spinner-type flowmeter; Said vacuum meter and spinner-type flowmeter are fixed on the solid panel, and said bottle,suction pipe connects vacuum pump.
For guaranteeing that liquid level along under the inwall steady flow, steadily rises the filtrating face, improve the precision of reading.Water delivering orifice is with the crooked guide shell of plastic material preparation in the lower end of said Buchner funnel, and this bending guide shell is set to the inclination opening that the metering cylinder inwall is close on the inclined-plane.
A kind of mode of controlling the switch of each detection branch according to air pressure automatically; Operation valve is the solenoid valve that the porch is electrically connected with baroceptor; When this branch road is filtered to vacuum breaking; Automatically control electromagnetic valve closed respective branch, thereby can guarantee that other branch road works under the constant situation of vacuum tightness.
A kind of manually operated concrete mode, said operation valve is a ball valve.
For making things convenient for the dismounting of metering cylinder, said metering cylinder base fixedly is embedded in the groove through easily detachable silica gel circle.
The non-friable hollow tubulars of hard such as the preferred copper pipe of said tree-like pipe, aluminum pipe, stainless-steel tube, compo pipe or ebonite pipe.
For reducing the influence of vacuum pump work, be provided with the damping pad between said experiment table and the vacuum pump to experiment.
Concrete, the bottom of said experiment table is equipped with four universal wheels.
Concrete, said Buchner funnel is connected the nozzle of metering cylinder through cork.
The course of work of the present invention is following:
At first, number is opened the same number of branch road operation valve per sample, closes other untapped branch road operation valves, and filter paper is put into Buchner funnel, and with water-wet and be adjacent at the end in week, simultaneously, whether testing fixture each leak gas between connecting.Then, start vacuum pump, regulate spinner-type flowmeter and make vacuum pressure be approximately 2/3 o'clock of experimental pressure to turn off vacuum pump.Then, a plurality of mud samples to be measured are incorporated in respectively in the different Buchner funnels, start vacuum pump and regulate vacuum pressure to measured value (being no more than 0.1MPa), reach this pressure after, begin to start stopwatch, write down the filtrating V of this moment in the metering cylinder
0At regular intervals after this (can be whenever when beginning to filter at a distance from 10s or 15s, after filtering velocity slows down can at a distance from 30s or 60s) writes down corresponding amount of filtrate in the metering cylinder.When being filtered to vacuum breaking, the automatic or manual operation valve of turning off respective branch is regulated spinner-type flowmeter and is guaranteed that the vacuum tightness of whole measuring fixed system is constant, like filter cake generation of cracks not for a long time, can stop to measure after then filtering 20min.
The characteristics of resistivity determinator of the present invention are: 1. because branch road is provided with operation valve, every cover suction filtration system does not disturb mutually, and the many covers of parallel connection mud suction filtration resistivitys unit can be set as required, is applicable to various situation such as single or many people's experiments; 2. utilize baroceptor to control the mode of the electromagnetic valve switch of each detection branch automatically according to air pressure; When this branch road is filtered to vacuum breaking; Can control this closed electromagnetic valve respective branch automatically, thereby can guarantee that other branch road works under the constant situation of vacuum tightness; 3. realize the integrated of package unit all component, effectively utilized the shared space of experimental stand, used carrying flexible; 4. Buchner funnel lower end water delivering orifice is with the crooked mozzle of self-control, and the metering cylinder inwall is close on the inclined-plane of its inclination opening, has guaranteed that liquid level along under the inwall steady flow, steadily rises the filtrating face, improves the precision of reading.Simultaneously, because metering cylinder is to adopt groove and movable silica gel circle to fix, easy accessibility, and this integrated apparatus also can be used for the sludge vacuum suction filtration and mass balance is measured.
Description of drawings
Fig. 1 is a main TV structure synoptic diagram of the present invention;
Fig. 2 is the structural representation of Buchner funnel of the present invention and metering cylinder;
Fig. 3 is the schematic top plan view of the embodiment of the invention 1;
Fig. 4 is the schematic top plan view of the embodiment of the invention 2.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is done further explain.
A kind of eight multi pack mud resistivity determinators, Fig. 1 master's TV structure synoptic diagram, Fig. 3 are schematic top plan view; Comprise that the bottom is equipped with the experiment table 2 of four universal wheels 1, experiment table 2 internal fixation are equipped with a vacuum pump 13, are provided with damping pad 14 between experiment table 2 and the vacuum pump 13; Be fixed with a solid panel 10 and a copper tree-like pipe 9 on the table top of experiment table 2; The table top of experiment table 2 has been embedded in a bottle,suction 19, and the base that also is provided with 18,8 metering cylinders 5 of 8 grooves on the table top of experiment table 2 is fixedly embedded in groove 18 through easily detachable silica gel circle; Each metering cylinder 5 nozzle is connected with Buchner funnel 7 through cork 6; Be connected on each arm of copper tree-like pipe 9 through sebific duct 16 and ball valve 17 respectively at 15,8 the suction filtration mouths 15 of suction filtration mouth that are provided with a protrusion above the metering cylinder 5, the main of tree-like pipe 9 connects bottle,suction 19, vacuum meter 11 and spinner-type flowmeter 12 through the rubber tube pipe; Vacuum meter 11 is fixed on the solid panel 10 with spinner-type flowmeter 12, and bottle,suction 19 also connects vacuum pump 13 through the rubber tube pipe.Fig. 2 is the structural representation of Buchner funnel 7 and metering cylinder 5; For guaranteeing that liquid level is along under the inwall steady flow; The filtrating face is steadily risen; Improve the precision of reading, water delivering orifice is with the crooked guide shell 8 of plastic material preparation in the lower end of Buchner funnel 7, and this bending guide shell 8 is set to the inclination opening that metering cylinder 5 inwalls are close on the inclined-plane.
During work, at first, number is opened the same number of branch road spherical valve 17 per sample, closes other untapped branch road spherical valves, and filter paper is put into Buchner funnel 7, and with water-wet and be adjacent at the end in week, simultaneously, whether testing fixture each leak gas between connecting.Then, start vacuum pump 13, regulate spinner-type flowmeter 12 and make vacuum pressure be approximately 2/3 o'clock of experimental pressure to turn off vacuum pump 13.Then, a plurality of mud samples to be measured are incorporated in respectively in the different Buchner funnels 7, start vacuum pump 13 and regulate vacuum pressure to measured value (being no more than 0.1MPa), reach this pressure after, begin to start stopwatch, write down the filtrating V in the metering cylinder 5 this moment
0At regular intervals after this (can be whenever when beginning to filter at a distance from 10s or 15s, after filtering velocity slows down can at a distance from 30s or 60s) writes down corresponding amount of filtrate in the metering cylinder 5.When being filtered to vacuum breaking, turn off the spherical valve 17 of respective branch, regulate spinner-type flowmeter 12 and guarantee that the vacuum tightness of whole measuring fixed systems is constant, like filter cake generation of cracks not for a long time, can stop to measure after then filtering 20min.
A kind of automatic control type eight multi pack mud resistivity determinators, Fig. 1 master's TV structure synoptic diagram, Fig. 4 are schematic top plan view; Comprise that the bottom is equipped with the experiment table 2 of four universal wheels 1; Experiment table 2 internal fixation are equipped with a vacuum pump 13, are provided with damping pad 14 between experiment table 2 and the vacuum pump 13, are fixed with solid panel 10 and the tree-like pipe 9 of an aluminium matter on the table top of experiment table 2; The table top of experiment table 2 has been embedded in a bottle,suction 19; The base that also is provided with 18,8 metering cylinders 5 of 8 grooves on the table top of experiment table 2 is fixedly embedded in 8 grooves 18 through easily detachable silica gel circle, and each metering cylinder 5 nozzle is connected with Buchner funnel 7 through cork 6; Above metering cylinder 5, be provided with the suction filtration mouth 15 of a protrusion; Suction filtration mouth 15 is connected on each arm of the tree-like pipe 9 of aluminium matter through sebific duct 16 and solenoid valve 20, solenoid valve 20 and suction filtration mouth 15 be provided with one be electrically connected solenoid valve 20 baroceptor 21, the main of tree-like pipe 9 connects bottle,suction 19, vacuum meter 11 and spinner-type flowmeter 12 through the rubber tube pipe; Vacuum meter 11 is fixed on the solid panel 10 with spinner-type flowmeter 12, and bottle,suction 19 also connects vacuum pump 13 through the rubber tube pipe.Fig. 2 is the structural representation of Buchner funnel 7 and metering cylinder 5; For guaranteeing that liquid level is along under the inwall steady flow; The filtrating face is steadily risen; Improve the precision of reading, water delivering orifice is with the crooked guide shell 8 of plastic material preparation in the lower end of Buchner funnel 7, and this bending guide shell 8 is set to the inclination opening that metering cylinder 5 inwalls are close on the inclined-plane.
During work, at first, number is opened the same number of solenoid valve 20 per sample, closes other untapped solenoid valves, and filter paper is put into Buchner funnel 7, and with water-wet and be adjacent at the end in week, simultaneously, whether testing fixture each leak gas between connecting.Then, start vacuum pump 13, regulate spinner-type flowmeter 12 and make vacuum pressure be approximately 2/3 o'clock of experimental pressure to turn off vacuum pump 13.Then, a plurality of mud samples to be measured are incorporated in respectively in the different Buchner funnels 7, start vacuum pump 13 and regulate vacuum pressure to measured value (being no more than 0.1MPa), reach this pressure after, begin to start stopwatch, write down the filtrating V in the metering cylinder 5 this moment
0At regular intervals after this (can be whenever when beginning to filter at a distance from 10s or 15s, after filtering velocity slows down can at a distance from 30s or 60s) writes down corresponding amount of filtrate in the metering cylinder 5.When a certain branch road metering cylinder 5 inner filtrations during to vacuum breaking; Sensed by corresponding baroceptor 21; Control respective electrical magnet valve 20 is closed; Regulate spinner-type flowmeter 12 simultaneously and guarantee that the vacuum tightness of whole measuring fixed systems is constant,, can stop to measure after then filtering 20min like filter cake generation of cracks not for a long time.
More than be that multiple mud resistivity determinator of the present invention is set forth; Be used for helping to understand the present invention; But embodiment of the present invention is not restricted to the described embodiments; Any change that does not deviate under the principle of the invention to be done, modification, substitute, combination, simplify, all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. multiple mud resistivity determinator; It is characterized in that: comprise that the bottom is equipped with the experiment table of castor, said experiment table internal fixation is equipped with vacuum pump, is fixed with a solid panel and a tree-like pipe on the table top of said experiment table; The table top of said experiment table has been embedded in bottle,suction; Also be provided with a plurality of grooves on the table top of said experiment table, each groove be embedded in one Buchner funnel is installed metering cylinder, the top of this metering cylinder is provided with the suction filtration mouth of a protrusion; The suction filtration mouth of each metering cylinder is connected on the arm of tree-like pipe through a sebific duct and an operation valve respectively; The main pipe of tree-like pipe connects bottle,suction, vacuum meter and spinner-type flowmeter, and said vacuum meter and spinner-type flowmeter are fixed on the solid panel, and said bottle,suction pipe connects vacuum pump.
2. multiple mud resistivity determinator according to claim 1 is characterized in that: the lower end water delivering orifice of said Buchner funnel is with the crooked guide shell of plastic material preparation, and this bending guide shell is set to the inclination opening that the metering cylinder inwall is close on the inclined-plane.
3. multiple mud resistivity determinator according to claim 1 and 2, it is characterized in that: said operation valve is the solenoid valve that the porch is electrically connected with baroceptor.
4. multiple mud resistivity determinator according to claim 1 and 2, it is characterized in that: said operation valve is a ball valve.
5. multiple mud resistivity determinator according to claim 1 and 2, it is characterized in that: said metering cylinder base fixedly is embedded in the groove through easily detachable silica gel circle.
6. multiple mud resistivity determinator according to claim 1 and 2 is characterized in that: said tree-like pipe is copper pipe, aluminum pipe, stainless-steel tube, compo pipe or ebonite pipe.
7. multiple mud resistivity determinator according to claim 1 and 2 is characterized in that: be provided with the damping pad between said experiment table and the vacuum pump.
8. multiple mud resistivity determinator according to claim 1 and 2, it is characterized in that: the bottom of said experiment table is equipped with four universal wheels.
9. multiple mud resistivity determinator according to claim 1 and 2, it is characterized in that: said Buchner funnel is connected the nozzle of metering cylinder through cork.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010516309.8A CN102455344B (en) | 2010-10-22 | 2010-10-22 | Method for multi-connected sludge specific resistance measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010516309.8A CN102455344B (en) | 2010-10-22 | 2010-10-22 | Method for multi-connected sludge specific resistance measurement device |
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| CN102455344A true CN102455344A (en) | 2012-05-16 |
| CN102455344B CN102455344B (en) | 2015-02-11 |
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Cited By (5)
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| CN103063817A (en) * | 2012-12-20 | 2013-04-24 | 华南理工大学 | System and method of measuring sludge dewatering performance |
| CN103230689A (en) * | 2013-04-02 | 2013-08-07 | 广州市刑事科学技术研究所 | Vacuum pumping filtration instrument |
| CN104258610A (en) * | 2014-09-28 | 2015-01-07 | 国家电网公司 | Batch filter device and method of heavy metal-containing waste water |
| CN106990017A (en) * | 2017-05-19 | 2017-07-28 | 河南工程学院 | Automate sludge specific resistance measurement device and assay method |
| CN113634027A (en) * | 2021-07-04 | 2021-11-12 | 林哲鑫 | Suction filtration experimental device and method |
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Cited By (10)
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|---|---|---|---|---|
| CN103063817A (en) * | 2012-12-20 | 2013-04-24 | 华南理工大学 | System and method of measuring sludge dewatering performance |
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| CN104258610A (en) * | 2014-09-28 | 2015-01-07 | 国家电网公司 | Batch filter device and method of heavy metal-containing waste water |
| CN104258610B (en) * | 2014-09-28 | 2015-12-02 | 国家电网公司 | A kind of heavy metal-containing waste water batch filter and method |
| CN106990017A (en) * | 2017-05-19 | 2017-07-28 | 河南工程学院 | Automate sludge specific resistance measurement device and assay method |
| CN106990017B (en) * | 2017-05-19 | 2023-04-07 | 河南工程学院 | Automatic sludge specific resistance measuring device and measuring method |
| CN113634027A (en) * | 2021-07-04 | 2021-11-12 | 林哲鑫 | Suction filtration experimental device and method |
| CN113634027B (en) * | 2021-07-04 | 2022-12-23 | 林哲鑫 | Suction filtration experimental device and method |
| CN113634027B8 (en) * | 2021-07-04 | 2023-03-14 | 林哲鑫 | Suction filtration experimental device and method |
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