CN102980834B - Testing device for measuring sludge dewatering characteristics - Google Patents
Testing device for measuring sludge dewatering characteristics Download PDFInfo
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- CN102980834B CN102980834B CN201210527522.8A CN201210527522A CN102980834B CN 102980834 B CN102980834 B CN 102980834B CN 201210527522 A CN201210527522 A CN 201210527522A CN 102980834 B CN102980834 B CN 102980834B
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Abstract
The invention relates to a testing device for measuring sludge dewatering characteristics and belongs to the technical field of environmental geotechnics. The testing device consists of a bracket, a speed-regulating motor, a filtrate shield, a centrifuge cup, a filter bag, a sealing cap cover, a metering tube, a photographic device, a liquid accommodating device, a guide rail, a weighing device, a base and a computer. With the adoption of the centrifuge cup dewatering mode, the defects of the vacuum filtering air leakage and unstabitily of vacuum degree and the like are overcome. The speed-regulating motor is adjustable in rotating speed, and the testing device can measure the sludge dewatering characteristics under different separation factor actions. According to an air outlet on the filtrate shield, the hose is tightly adhered to an inner wall of the liquid accommodating device, stable filtrate in the liquid accommodating device is guaranteed, and the precision of the reading of the photographic device is ensured. The testing parameters are set on a computer, the data is automatically processed through a computer program, and the testing efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of test unit measuring sludge dewatering characteristic, belong to environmental geotechnical technical field.
Background technology
Along with developing rapidly of Chinese Urbanization's, the environmental security that the sharp increase of municipal sludge discharge capacity causes becomes increasingly conspicuous.Municipal administration dewatered sludge has the features such as high hydrophilic, High water cut, high organic content and hyposmosis, and to cause in engineering, dispose difficulty large, and the water percentage how reducing municipal dewatered sludge further becomes the key issue of its process disposal.
The evaluation of the dewatering of mud measures primarily of sludge specific resistance instrument, and the reading of existing sludge specific resistance analyzer mainly adopts measurement cylinder reading, and due to the sludge dewatering speed before dehydration, measurement cylinder reading is comparatively difficult; And vacuum filtration method, there is system not easily airtight easy gas leakage, vacuum tightness is unstable, and the filtrate drip in suction filtration process is long-pending easily causes liquid fluctuating, and the large and artificial reading of reading error is wasted time and energy.
Municipal sludge dehydration difficulty is large, usually needs to dewater stage by stage, the mud of high-moisture percentage is sloughed a part of water in Practical Project process, then adds medicament and then dewaters further, to save reagent cost.Slough the mud of portion of water, its dehydrating amount is limited, and existing resistivity analyzer is difficult to effectively measure its dehydration characteristic accurately.Therefore, on prior art basis, integrated existing instrument and equipment, carrying out the mensuration of dewatering performance of sludge under different water cut condition is problem demanding prompt solution.
Summary of the invention
For above-mentioned Problems existing, the object of the present invention is to provide the test unit of a kind of energy Measurement accuracy sludge specific resistance and reaction overall process dewatering performance of sludge.
To achieve these goals, its technical solution is:
A kind of test unit measuring sludge dewatering characteristic, described test unit is by support, buncher, filtrate guard shield, Centrifuge Cup, filter bag, sealing calotte, gauge line, camera head, contain liquid device, guide rail, meausring apparatus, base and computing machine are formed, wherein be provided with meausring apparatus above base, put above meausring apparatus and have gauge line and contain liquid device, gauge line and Sheng liquid device are parallel to each other, between gauge line and Sheng liquid device, bottom is communicated with, base is installed with guide rail, guide rail parallel is in gauge line, camera head activity be arranged on guide rail, filtrate guard shield is fixedly mounted on above support, buncher to be positioned at below filtrate guard shield and to be fixed on support, Centrifuge Cup is arranged in filtrate guard shield, the wall of cup of Centrifuge Cup has equally distributed diafiltration hole, the internal face of Centrifuge Cup is provided with filter bag, Centrifuge Cup is connected with the rotating shaft of buncher, liquid outlet is provided with bottom filtrate guard shield, the flexible pipe one end connecting liquid outlet is placed in contains liquid device, liquid outlet bottom filtrate guard shield is higher than Sheng liquid device, the limit wall of filtrate guard shield has air outlet, air outlet is positioned at the top of the liquid outlet bottom filtrate guard shield, the top of Centrifuge Cup is provided with sealing calotte, between sealing calotte and Centrifuge Cup, tight locking button connects, sealing calotte has air admission hole.
Described buncher, camera head are connected computing machine through wire respectively with meausring apparatus.
Owing to have employed above technical scheme, a kind of test unit measuring sludge dewatering characteristic of the present invention, adopt the mode of Centrifuge Cup dehydration, air admission hole on sealing calotte can ensure that the smooth and easy of air enters Centrifuge Cup, ensure centrifugal effect, overcome the shortcoming such as vacuum filtration gas leakage and vacuum tightness instability; Centrifuge Cup sealing calotte is by locking fastening lock, test operation simple and fast; The rotating speed of buncher is adjustable, thus makes the separation factor of Centrifuge Cup adjustable, ensures that experimental provision can measure the dehydration characteristic of mud under different separation factor effect; Exhaust outlet on filtrate guard shield can get rid of the air because Centrifuge Cup High Rotation Speed produces in time, and flexible pipe and Sheng liquid device inwall are close to, and ensure that liquid device is contained in the inflow that in flexible pipe, filtrate can be gentle, and in guarantee Sheng liquid device, filtrate is stable; Meausring apparatus can measure filtrate weight accurately according to the logging interval of setting, the gauge line arranged, guarantee the precision of camera head reading, the volume change of camera head energy real time record filtrate, data computer recording processing, overcome the problems such as artificial measurement cylinder reading inconvenience, save the time of artificial reading and data processing; Test unit is after filling test mud, and test parameters is arranged on computers, and data computer routine processes, substantially increases test efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Embodiment
Below in conjunction with accompanying drawing, the present invention is explained in further detail.See accompanying drawing
A kind of test unit measuring sludge dewatering characteristic, by support 1, buncher 2, filtrate guard shield 3, Centrifuge Cup 4, filter bag 5, sealing calotte 8, gauge line 12, camera head 13, contain liquid device 14, guide rail 15, meausring apparatus 16, base 17 and computing machine 18 are formed, wherein be provided with meausring apparatus 16 above base 17, put above meausring apparatus 16 and have gauge line 12 and contain liquid device 14, gauge line 12 and Sheng liquid device 14 are parallel to each other, gauge line 12 and Sheng liquid device 14 adopt transparent anti-corrosion material, between gauge line 12 and Sheng liquid device 14, bottom is communicated with, base 17 is installed with guide rail 15, guide rail 15 is parallel to gauge line 12, camera head 13 activity be arranged on guide rail 15, camera head 13 is fixed on guide rail 15 by clamping screw, filtrate guard shield 3 is fixedly mounted on above support 1, filtrate guard shield 3 is in open-top receptacle shape, filtrate guard shield 3 adopts high-strength anti-corrosion steel, buncher 2 to be positioned at below filtrate guard shield 3 and to be fixed on support 1, buncher 2 is adjustable within the scope of 12000 revs/min, Centrifuge Cup 4 is arranged in filtrate guard shield 3, the diameter of Centrifuge Cup 4 is 5-15cm, the separation factor of Centrifuge Cup 4 is adjustable in 8000 times of spheres of gravity, the wall of cup of Centrifuge Cup 4 has equally distributed diafiltration hole, perforate is directly 1-2mm, Centrifuge Cup 4 adopts high-strength anti-corrosion steel, the internal face of Centrifuge Cup 4 is provided with filter bag 5, the aperture of filter bag 5 is 80 ~ 120 μm, filter bag 5 is anti-corrosion material, Centrifuge Cup 4 is connected with the rotating shaft 9 of buncher 2, filtrate guard shield 3 and rotating shaft 9 junction encapsulation process, liquid outlet is provided with bottom filtrate guard shield 3, flexible pipe 11 one end connecting liquid outlet is placed in contains liquid device 14, liquid outlet bottom filtrate guard shield 3 is higher than Sheng liquid device 14, the limit wall of filtrate guard shield 3 has air outlet 10, air outlet 10 is positioned at the top of the liquid outlet bottom filtrate guard shield 3, the top of Centrifuge Cup 4 is provided with sealing calotte 8, between sealing calotte 8 and Centrifuge Cup 4, tight locking button 6 connects, sealing calotte 8 has air admission hole 7, sealing calotte 8 is high-strength anti-corrosion steel, buncher 2, camera head 13 is connected computing machine 18 through wire respectively with meausring apparatus 16.
The principle of work of test unit of the present invention:
During test, meausring apparatus 16 is placed on base 17, clean dry gauge line 12 and Sheng liquid device 14 are placed on meausring apparatus 16, gauge line 12 is communicated with bottom Sheng liquid device 14, gauge line 12 is provided with scale, and gauge line 12 establishes graduated side towards the guide rail 15 of base 17, the clasp of flexible pipe 11 end is close to gauge line 12 upper inside wall, adjust height and the orientation of camera head 13, camera head 13 is fixed on guide rail 15 by clamping screw, and record the height of camera head 13 and have the distance of scale side with gauge line 12, filter bag 5 is close to the inwall of Centrifuge Cup 4, and by buncher 2, camera head 13 is connected with computing machine 18 with meausring apparatus 16, and connect the power supply of instrument each several part, weigh mud to be measured and record, mud is placed in uniformly the bottom of filter bag 5, cover sealing calotte 8, and be closely buckled on Centrifuge Cup 4 by tight locking button 6, open the air admission hole 7 on sealing calotte 8, guarantee the unobstructed of exhaust outlet 10 above filtrate guard shield 3 top hose 11 junction, the test unit test analysis software of computing machine 18 inputs the height of camera head 13 and has the distance of scale side with liquid measuring vessel 12, the quality of mud, separation factor and test period, then test is started, computing machine 18 can be preserved and analytical test data automatically.After off-test, analyze, arrange and food preservation test data, shut down computer 18 test unit test analysis software and shut down computer 18, disconnect the connection of buncher 2, camera head 13 and meausring apparatus 16 and computing machine 18 and disconnect all power supplys, cleaning-drying test unit, and filter bag 5, gauge line 12 and Sheng liquid device 14 are dried and put back in experiment cabinet, build test unit to prevent dust with test tablecloth.If test unit for a long time need not, should be energized every month run once, working time 30min, the serviceable life of warranty test device.
Claims (2)
1. one kind measures the test unit of sludge dewatering characteristic, it is characterized in that: described test unit is by support (1), buncher (2), filtrate guard shield (3), Centrifuge Cup (4), filter bag (5), sealing calotte (8), gauge line (12), camera head (13), contain liquid device (14), guide rail (15), meausring apparatus (16), base (17) and computing machine (18) are formed, wherein base (17) top is provided with meausring apparatus (16), meausring apparatus (16) top is put to be had gauge line (12) and contains liquid device (14), gauge line (12) and Sheng liquid device (14) are parallel to each other, between gauge line (12) and Sheng liquid device (14), bottom is communicated with, base (17) is installed with guide rail (15), guide rail (15) is parallel to gauge line (12), what camera head (13) was movable is arranged on guide rail (15), filtrate guard shield (3) is fixedly mounted on support (1) top, buncher (2) is positioned at filtrate guard shield (3) below and is fixed on support (1), Centrifuge Cup (4) is arranged in filtrate guard shield (3), the wall of cup of Centrifuge Cup (4) has equally distributed diafiltration hole, the internal face of Centrifuge Cup (4) is provided with filter bag (5), Centrifuge Cup (4) is connected with the rotating shaft (9) of buncher (2), filtrate guard shield (3) bottom is provided with liquid outlet, flexible pipe (11) one end connecting liquid outlet is placed in contains liquid device (14), the liquid outlet of filtrate guard shield (3) bottom is higher than Sheng liquid device (14), the limit wall of filtrate guard shield (3) has air outlet (10), air outlet (10) is positioned at the top of the liquid outlet of filtrate guard shield (3) bottom, the top of Centrifuge Cup (4) is provided with sealing calotte (8), between sealing calotte (8) and Centrifuge Cup (4), tight locking button (6) connects, sealing calotte (8) has air admission hole (7).
2. a kind of test unit measuring sludge dewatering characteristic as claimed in claim 1, is characterized in that: described buncher (2), camera head (13) are connected computing machine (18) through wire respectively with meausring apparatus (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210527522.8A CN102980834B (en) | 2012-12-10 | 2012-12-10 | Testing device for measuring sludge dewatering characteristics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210527522.8A CN102980834B (en) | 2012-12-10 | 2012-12-10 | Testing device for measuring sludge dewatering characteristics |
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| CN102980834A CN102980834A (en) | 2013-03-20 |
| CN102980834B true CN102980834B (en) | 2014-12-31 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237045A (en) * | 2014-06-05 | 2014-12-24 | 上海沃杉化工有限公司 | Novel drainability tester |
| CN104483229A (en) * | 2014-11-14 | 2015-04-01 | 山东大学 | Water bursting and mud surging amount monitoring system and test method in underground engineering model test |
| CN108776155A (en) * | 2018-07-13 | 2018-11-09 | 天津科技大学 | A kind of conductance type sludge specific resistance measuring device |
| CN112461703A (en) * | 2020-11-24 | 2021-03-09 | 深圳市天林智能科学仪器有限公司 | Batch fiber dissolving method |
| CN113060927A (en) * | 2021-03-18 | 2021-07-02 | 郑州大学 | Building slurry centrifugal dehydration test device and use method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2805180A1 (en) * | 2000-02-22 | 2001-08-24 | Talc De Luzenac | Process for the dehydration of solid water-impregnated materials from biological water treatment plants by the addition of hydrophilic and hydrophobic mineral particles to facilitate filtration |
| CN201828559U (en) * | 2010-10-22 | 2011-05-11 | 宇星科技发展(深圳)有限公司 | Multi-connected sludge specific resistance measurement device |
| CN202066854U (en) * | 2011-04-13 | 2011-12-07 | 陕西科技大学 | Sludge dehydration speed quick measuring device |
| CN102608292A (en) * | 2012-03-09 | 2012-07-25 | 北京建筑工程学院 | Sludge specific resistance measuring apparatus |
| CN202471543U (en) * | 2012-01-12 | 2012-10-03 | 北京建筑工程学院 | Sludge specific resistance measuring device |
| CN202502091U (en) * | 2012-04-05 | 2012-10-24 | 北京建筑工程学院 | Multi-group centrifugal sludge specific resistance measuring device |
| CN202947943U (en) * | 2012-12-10 | 2013-05-22 | 中国科学院武汉岩土力学研究所 | Test device for determining sludge dewatering property |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990019031A (en) * | 1997-08-29 | 1999-03-15 | 이구택 | Sludge dewatering efficiency evaluation method using centrifuge and its apparatus |
-
2012
- 2012-12-10 CN CN201210527522.8A patent/CN102980834B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2805180A1 (en) * | 2000-02-22 | 2001-08-24 | Talc De Luzenac | Process for the dehydration of solid water-impregnated materials from biological water treatment plants by the addition of hydrophilic and hydrophobic mineral particles to facilitate filtration |
| CN201828559U (en) * | 2010-10-22 | 2011-05-11 | 宇星科技发展(深圳)有限公司 | Multi-connected sludge specific resistance measurement device |
| CN202066854U (en) * | 2011-04-13 | 2011-12-07 | 陕西科技大学 | Sludge dehydration speed quick measuring device |
| CN202471543U (en) * | 2012-01-12 | 2012-10-03 | 北京建筑工程学院 | Sludge specific resistance measuring device |
| CN102608292A (en) * | 2012-03-09 | 2012-07-25 | 北京建筑工程学院 | Sludge specific resistance measuring apparatus |
| CN202502091U (en) * | 2012-04-05 | 2012-10-24 | 北京建筑工程学院 | Multi-group centrifugal sludge specific resistance measuring device |
| CN202947943U (en) * | 2012-12-10 | 2013-05-22 | 中国科学院武汉岩土力学研究所 | Test device for determining sludge dewatering property |
Non-Patent Citations (1)
| Title |
|---|
| 污泥离心脱水性能评价指标的研究;钱颖萍等;《化工环保》;19911231;第11卷(第6期);329-333 * |
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