CN206470148U - Sludge specific resistance measurement device - Google Patents
Sludge specific resistance measurement device Download PDFInfo
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- CN206470148U CN206470148U CN201720093729.7U CN201720093729U CN206470148U CN 206470148 U CN206470148 U CN 206470148U CN 201720093729 U CN201720093729 U CN 201720093729U CN 206470148 U CN206470148 U CN 206470148U
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- suction filtration
- specific resistance
- measurement device
- graduated cylinder
- resistance measurement
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Abstract
A kind of sludge specific resistance measurement device of the present utility model, including sub-sieve, Buchner funnel, graduated cylinder, suction filtration joint, vavuum pump, it is characterized in that, sub-sieve is provided with above the Buchner funnel, the suction filtration fitting sleeve is located at the port of export of the Buchner funnel, the lower end of the suction filtration joint extends in the graduated cylinder and is tightly connected with the graduated cylinder, and the sidepiece of the suction filtration joint is provided with suction filtration mouth, and the suction filtration mouth is connected with the vavuum pump.The utility model has the advantages that quick measure that is easy to assembly, simple to operate and being applicable to live sludge specific resistance.
Description
Technical field
The utility model is related to a kind of sludge index determining field, more particularly to a kind of sludge specific resistance measurement device.
Background technology
Sludge specific resistance refers to the resistance in unit filter area when the sludge of unit mass is filtered under a certain pressure, is
The index of sludge filtration characteristic.Its calculation formula is：r 0 =2pA2b/μf.In formula: r 0 - sludge specific resistance, m/kg；P- filter pressures
(being the pressure differential between filter cake upper and lower surface), N/m2；A- filter areas, m2；B- sludge quality parameters, i.e. filtration time/filtrate body
Product and the slope of filtrate volume, s/m6；μ-filtrate dynamic viscosity, Pas；The filter cake dry weight that f- unit volumes filtrate produces, kg/
m3.The size of sludge specific resistance indicates the strainability that same or different sludge are added after intermixture, and sludge specific resistance is smaller, filtering
Performance is better.Current sludge specific resistance measurement device is more complicated, is only applicable to experimental determination, it is impossible to applied to sewage plant, give
The measure of the scene sludge specific resistance such as water factory.
Utility model content
Technical problem to be solved in the utility model is, in view of the deficienciess of the prior art, providing a kind of assembling side
Just sludge specific resistance measurement device that is, simple to operate and being applicable to live sludge specific resistance measure.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of sludge specific resistance measurement device, including sub-sieve, Buchner funnel, graduated cylinder, suction filtration joint, vavuum pump, its feature
It is, sub-sieve is provided with above the Buchner funnel, the suction filtration fitting sleeve is located at the port of export of the Buchner funnel, described
The lower end of suction filtration joint extends in the graduated cylinder and is tightly connected with the graduated cylinder, and the sidepiece of the suction filtration joint is provided with suction filtration
Mouthful, the suction filtration mouth is connected with the vavuum pump.
It is used as the further improvement of above-mentioned technical proposal：
The sludge specific resistance measurement device also includes the flexible pipe for being used to connect the suction filtration mouth and the constant pressure vavuum pump.
The flexible pipe is provided with valve in the side close to suction filtration mouth.
The sieve mesh number of the sub-sieve is the mesh of 100 mesh~200.
The graduated cylinder bottom is provided with chassis.
The graduated cylinder is the ground graduated cylinder of glass, rubber or acrylic material.
Compared with prior art, the utility model has advantages below：
Sludge specific resistance measurement device of the present utility model, sub-sieve is provided with above Buchner funnel, and can to filter bulky grain miscellaneous
Matter, is easy to the measure in the sludge specific resistance of scene progress on the spot such as sewage plant, water supply plant, has important practicality in produce reality
Value, suction filtration fitting sleeve is located at the port of export of Buchner funnel, and suction filtration joint lower end is extended to seals company into graduated cylinder and with graduated cylinder
Connect, the sidepiece of suction filtration joint is provided with suction filtration mouth, and suction filtration mouth is connected with vavuum pump, can improve suction filtration efficiency, be easy to a group installation and dismantling
Unload, it is easy to operate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model sludge specific resistance measurement device.
Fig. 2 schemes for the t/v-v drawn after the utility model sludge specific resistance measurement device determination data.
Marginal data：
1st, sub-sieve；2nd, Buchner funnel；3rd, graduated cylinder；31st, chassis；32nd, piston；5th, suction filtration joint；51st, suction filtration mouth；6th, valve
Door；7th, flexible pipe；8th, vavuum pump.
Embodiment
The utility model is further described below with reference to specification drawings and specific embodiments.
As shown in figure 1, sludge specific resistance measurement device of the present utility model, including sub-sieve 1, Buchner funnel 2, graduated cylinder 3, take out
Joint 5, vavuum pump 8 are filtered, the top of Buchner funnel 2 is provided with sub-sieve 1, and suction filtration joint 5 is sheathed on the port of export of Buchner funnel 2,
The lower end of suction filtration joint 5 extends in graduated cylinder 3 and is tightly connected with graduated cylinder 3, and the sidepiece of suction filtration joint 5 is provided with suction filtration mouth 51, takes out
Filter mouth 51 is connected with vavuum pump 8.Sludge specific resistance measurement device of the present utility model, the top of Buchner funnel 2 is provided with sub-sieve 1 can
To filter large granular impurity, it is easy to the measure in the sludge specific resistance of scene progress on the spot such as sewage plant, water supply plant, in produce reality
With important practical value, suction filtration joint 5 is sheathed on the port of export of Buchner funnel 2, and suction filtration joint lower end is extended into graduated cylinder 3
Interior and be tightly connected with graduated cylinder 3, the sidepiece of suction filtration joint 5 is provided with suction filtration mouth 51, and suction filtration mouth 51 is connected with vavuum pump 8, Ke Yiti
High suction filtration efficiency, is easy to assembly and disassembly, easy to operate.
Sludge specific resistance measurement device also includes the flexible pipe 7 for being used to connect suction filtration mouth 51 and vavuum pump 8.
In the present embodiment, flexible pipe 7 is air-tightness flexible pipe, is tightly connected with suction filtration mouth 51, and vavuum pump 8 is constant pressure vavuum pump.
Flexible pipe 7 is provided with valve 6 in the side close to suction filtration mouth 51.
The sieve mesh number of sub-sieve 1 is the mesh of 100 mesh~200.In the present embodiment, sieve mesh number is 200 mesh.
The bottom of graduated cylinder 3 is provided with chassis 31.
Graduated cylinder 3 is the ground graduated cylinder of glass, rubber or acrylic material.In the present embodiment, graduated cylinder 3 is acrylic material,
The top of graduated cylinder 3, which is provided with, to be used for suction filtration joint 5 and the sealed piston 32 of graduated cylinder 3.
In the present embodiment, the volume of sub-sieve 1 is 100mL, and the range of graduated cylinder 3 is 100mL.
The use of the utility model sludge specific resistance measurement device is comprised the following steps that：
After S1, assembling sludge specific resistance measurement device are finished, start vavuum pump, Buchner funnel upper end inspection system is covered with hand
Air-tightness, it is ensured that the sealing of each junction is airtight errorless；
S2, qualitative Medium speed filter paper is laid in Buchner funnel 2, water spray causes qualitative Medium speed filter paper surface to slightly have moistening
（Or a small amount of water moistening is sticked with glass bar）, vavuum pump 8 is then turned on, control valve 6 makes pressure stability in special value（This implementation
Example is 0.035MPa）, vavuum pump 8 is closed, after the pressure of vavuum pump 8 drops to 0MPa, by quantitative sludge sample to be measured（This implementation
The sludge sample of example is 100mL）Import in sub-sieve 1, and on the qualitative Medium speed filter paper in agitation and filtration to Buchner funnel 2；
S3, unlatching vavuum pump 8, record start time, filtrate level often rises one section（The present embodiment is 1cm）During record
Between, obtain experimental data；
S4, the filter cake drying weighing by cracking, calculate the solid masses that filtered fluid is trapped on filter cake, i.e. filter cake dry weight
f；
S5, record experimental data, draw t/v-v figures, wherein v is that filtrate volume, t are the time, as shown in Fig. 2 according to t/
V-v figures can obtain shale parameter b, and further according to filter area A, filter pressure p, filtrate viscosity μ and filter cake dry weight f, applying mechanically formula can
Try to achieve sludge specific resistancer 0 。
Exemplary description is done to the utility model above, it should explanation, do not departed from core of the present utility model
In the case of the heart, any simple deformation, modification or other skilled in the art can not spend being equal for creative work
Replace in protection domain of the present utility model.
Claims (6)
1. a kind of sludge specific resistance measurement device, it is characterised in that including sub-sieve（1）, Buchner funnel（2）, graduated cylinder（3）, suction filtration
Joint（5）, vavuum pump（8）, the Buchner funnel（2）Top is provided with sub-sieve（1）, the suction filtration joint（5）It is sheathed on institute
State Buchner funnel（2）The port of export, the suction filtration joint（5）Lower end extend to the graduated cylinder（3）It is interior and with the graduated cylinder（3）
It is tightly connected, the suction filtration joint（5）Sidepiece be provided with suction filtration mouth（51）, the suction filtration mouth（51）With the vavuum pump（8）Even
Connect.
2. sludge specific resistance measurement device according to claim 1, it is characterised in that the sludge specific resistance measurement device is also wrapped
Include for connecting the suction filtration mouth（51）With the vavuum pump（8）Flexible pipe（7）.
3. sludge specific resistance measurement device according to claim 2, it is characterised in that the flexible pipe（7）Close to suction filtration mouth
（51）Side be provided with valve（6）.
4. sludge specific resistance measurement device according to any one of claim 1 to 3, it is characterised in that the sub-sieve（1）
Sieve mesh number be the mesh of 100 mesh~200.
5. sludge specific resistance measurement device according to any one of claim 1 to 3, it is characterised in that the graduated cylinder（3）Bottom
Portion is provided with chassis（31）.
6. sludge specific resistance measurement device according to any one of claim 1 to 3, it is characterised in that the graduated cylinder（3）For
The ground graduated cylinder of glass, rubber or acrylic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093729.7U CN206470148U (en) | 2017-01-24 | 2017-01-24 | Sludge specific resistance measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093729.7U CN206470148U (en) | 2017-01-24 | 2017-01-24 | Sludge specific resistance measurement device |
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| Publication Number | Publication Date |
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| CN206470148U true CN206470148U (en) | 2017-09-05 |
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| CN201720093729.7U Active CN206470148U (en) | 2017-01-24 | 2017-01-24 | Sludge specific resistance measurement device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709309A (en) * | 2019-02-27 | 2019-05-03 | 连云港大禹水处理工程有限公司 | A kind of sludge specific resistance measurement device and system |
| CN111175172A (en) * | 2018-11-09 | 2020-05-19 | 中国市政工程中南设计研究总院有限公司 | Device for measuring specific resistance parameter of sludge, use method and application thereof |
-
2017
- 2017-01-24 CN CN201720093729.7U patent/CN206470148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175172A (en) * | 2018-11-09 | 2020-05-19 | 中国市政工程中南设计研究总院有限公司 | Device for measuring specific resistance parameter of sludge, use method and application thereof |
| CN109709309A (en) * | 2019-02-27 | 2019-05-03 | 连云港大禹水处理工程有限公司 | A kind of sludge specific resistance measurement device and system |
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