CN202947943U - Test device for determining sludge dewatering property - Google Patents
Test device for determining sludge dewatering property Download PDFInfo
- Publication number
- CN202947943U CN202947943U CN 201220675928 CN201220675928U CN202947943U CN 202947943 U CN202947943 U CN 202947943U CN 201220675928 CN201220675928 CN 201220675928 CN 201220675928 U CN201220675928 U CN 201220675928U CN 202947943 U CN202947943 U CN 202947943U
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- filtrate
- guard shield
- centrifuge cup
- gauge line
- liquid device
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Abstract
The utility model relates to a test device for determining sludge dewatering property, which belongs to the technical field of environmental geotechnics. The test device comprises a stand, a speed regulating motor, a filtrate protection cover, a centrifuge cup, a filter bag, a seal cap cover, a metering tube, a camera device, a liquid container, a guide rail, a weighing device, a base and a computer. By using the centrifuge cup to remove water, the test device overcomes the disadvantages of vacuum filtration, such as air leakage and instable vacuum degree. The speed regulating motor is adjustable in rotation speed, so that the test device can determine the dewatering property of sludge under different separation factors. An air exhaust is formed on the filtrate protection cover; a hose is closely clung to the inner wall of the liquid container to assure stability of the filtrate in the liquid container so as to ensure the reading accuracy of the camera device; and the test parameters are set on the computer, and the test efficiency is improved greatly by automatically processing data through the computer program.
Description
Technical field
The utility model relates to a kind of test unit of measuring the sludge dewatering characteristic, belongs to the 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.The municipal administration dewatered sludge has the characteristics such as high hydrophilic, high moisture, high organic content and hyposmosis, and to cause disposing difficulty in engineering large, and the water percentage that how further to reduce municipal dewatered sludge becomes the key issue that it processes disposal.
The evaluation of the dewatering of mud is mainly measured by the 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 difficulty comparatively; And the vacuum filtration method exists system to be difficult for airtight easy gas leakage, and vacuum tightness is unstable, the long-pending liquid fluctuating that easily causes of the filtrate drip in the suction filtration process, 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 in Practical Project is processed, and the mud of high-moisture percentage is sloughed a part of water, then adds then further dehydration of medicament, in order to save reagent cost.Slough the mud of part moisture, its dehydrating amount is limited, and existing resistivity analyzer is difficult to measure effectively accurately its dehydration characteristic.Therefore, on the prior art basis, integrated existing instrument and equipment, the mensuration of carrying out dewatering performance of sludge under the different water cut condition is problem demanding prompt solution.
Summary of the invention
For the problem of above-mentioned existence, the purpose of this utility model 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 of measuring the sludge dewatering characteristic, described test unit is by support, buncher, the filtrate guard shield, Centrifuge Cup, filter bag, the sealing calotte, gauge line, camera head, contain the liquid device, guide rail, meausring apparatus, base and computing machine consist of, wherein the base top is provided with meausring apparatus, put the meausring apparatus top has gauge line and contains the liquid device, gauge line and Sheng liquid device are parallel to each other, between gauge line and Sheng liquid device, the bottom is communicated with, be installed with guide rail on base, guide rail parallel is in gauge line, being arranged on guide rail of camera head activity, the filtrate guard shield is fixedly mounted on above support, buncher is positioned at filtrate guard shield below and is fixed on support, Centrifuge Cup is arranged in the filtrate guard shield, have equally distributed diafiltration hole on the wall of cup of Centrifuge Cup, the internal face of Centrifuge Cup is provided with filter bag, Centrifuge Cup is connected with the rotating shaft of buncher, filtrate guard shield bottom is provided with liquid outlet, flexible pipe one end that connects liquid outlet is placed in contains the liquid device, the liquid outlet of filtrate guard shield bottom is higher than containing the liquid device, have air outlet on the limit wall of filtrate guard shield, air outlet is positioned at the top of the liquid outlet bottom the filtrate guard shield, the top of Centrifuge Cup is provided with the sealing calotte, between sealing calotte and Centrifuge Cup, tight locking button connects, the sealing calotte has air admission hole.
Described buncher, camera head and meausring apparatus are connected through wire connection computing machine.
Owing to having adopted above technical scheme, a kind of test unit of measuring the sludge dewatering characteristic of the present utility model, adopt the mode of Centrifuge Cup dehydration, air admission hole on the sealing calotte can guarantee the smooth and easy Centrifuge Cup that enters of air, guarantee centrifugal effect, overcome the shortcomings such as vacuum filtration gas leakage and vacuum tightness is unstable; Centrifuge Cup sealing calotte is by locking fastening lock, test operation simple and fast; The rotating speed of buncher is adjustable, thereby makes the separation factor of Centrifuge Cup adjustable, and the assurance experimental provision can be measured the dehydration characteristic of mud under different separation factor effects; Exhaust outlet on the filtrate guard shield can in time be got rid of the air that produces due to the Centrifuge Cup High Rotation Speed, and flexible pipe and Sheng liquid device inwall are close to, and guarantee that in flexible pipe, the liquid device is contained in the gentle inflow of filtrate energy, and in assurance Sheng liquid device, filtrate is stable; Meausring apparatus can measure filtrate weight accurately according to the logging interval of setting, the gauge line that arranges, guarantee the precision of camera head reading, the volume change of camera head energy real time record filtrate, the data computer recording processing, overcome the problems such as artificial measurement cylinder reading inconvenience, saved the time that artificial reading and data are processed; Test unit is after filling test mud, and test parameters arranges on computers, and the data computer routine processes has improved test efficiency greatly.
Description of drawings
Fig. 1 is structural representation of the present utility model
Embodiment
Below in conjunction with accompanying drawing, the utility model is explained in further detail.See accompanying drawing
a kind of test unit of measuring the 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 consist of, wherein base 17 tops are provided with meausring apparatus 16, put meausring apparatus 16 tops has gauge line 12 and contains 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 materials, between gauge line 12 and Sheng liquid device 14, the bottom is communicated with, be installed with guide rail 15 on base 17, guide rail 15 is parallel to gauge line 12, being arranged on guide rail 15 of camera head 13 activities, camera head 13 is fixed on guide rail 15 by clamping screw, filtrate guard shield 3 is fixedly mounted on support 1 top, filtrate guard shield 3 is the open-top receptacle shape, filtrate guard shield 3 adopts the high-strength anti-corrosion steel, buncher 2 is positioned at filtrate guard shield 3 belows and is fixed on support 1, buncher 2 is adjustable in 12000 rev/mins of scopes, 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, have equally distributed diafiltration hole on the wall of cup of Centrifuge Cup 4, perforate is directly 1-2mm, Centrifuge Cup 4 adopts the 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 μ m, 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, filtrate guard shield 3 bottoms are provided with liquid outlet, flexible pipe 11 1 ends that connect liquid outlet are placed in contains liquid device 14, the liquid outlet of filtrate guard shield 3 bottoms is higher than containing liquid device 14, have air outlet 10 on the limit wall of filtrate guard shield 3, air outlet 10 is positioned at the top of the liquid outlet of filtrate guard shield 3 bottoms, 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 the high-strength anti-corrosion steel, buncher 2, camera head 13 is connected with meausring apparatus respectively through wire connection computing machine 18.
The principle of work of the utility model test unit:
during test, meausring apparatus 16 is placed on base 17, gauge line 12 and the Sheng liquid device 14 of clean drying are placed on meausring apparatus 16, gauge line 12 and the 14 bottoms connections of Sheng liquid device, gauge line 12 is provided with scale, and gauge line 12 is established a graduated side to the guide rail 15 of base 17, the clasp of flexible pipe 11 ends 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 the height that records camera head 13 reaches the distance that scale one side is arranged with gauge line 12, the inwall of filter bag 5 being close to Centrifuge Cup 4, and with buncher 2, camera head 13 is connected with meausring apparatus and is connected with computing machine 18, and the power supply of connection instrument each several part, weighing 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 filtrate guard shield 3 top hose 11 top, junction exhaust outlets 10, the height of input camera head 13 reaches the distance that scale one side is arranged with liquid measuring vessel 12 on the test unit test analysis software of computing machine 18, the quality of mud, separation factor and test period, then begin test, computing machine 18 can be preserved and the analytical test data automatically.After off-test, analyze, arrange and preserve test figure, shut down computer 18 test unit test analysis software and shut down computer 18, disconnect buncher 2, camera head 13 is connected with meausring apparatus and being connected and disconnecting all power supplys of computing machine 18.If test unit for a long time need not, should switch on every month the operation once, working time 30min, the serviceable life of warranty test device.
Claims (2)
1. test unit of measuring the 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) consist of, wherein base (17) top is provided with meausring apparatus (16), put meausring apparatus (16) top has 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), the bottom is communicated with, be installed with guide rail (15) on base (17), 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 above support (1), 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), have equally distributed diafiltration hole on the wall of cup of Centrifuge Cup (4), 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 ends that connect liquid outlet are placed in contains liquid device (14), the liquid outlet of filtrate guard shield (3) bottom is higher than containing liquid device (14), have air outlet (10) on the limit wall of filtrate guard shield (3), 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).
2. a kind of test unit of measuring the sludge dewatering characteristic as claimed in claim 1, it is characterized in that: described buncher (2), camera head (13) are connected 16 with meausring apparatus) connect computing machine (18) through wire respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675928 CN202947943U (en) | 2012-12-10 | 2012-12-10 | Test device for determining sludge dewatering property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675928 CN202947943U (en) | 2012-12-10 | 2012-12-10 | Test device for determining sludge dewatering property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202947943U true CN202947943U (en) | 2013-05-22 |
Family
ID=48423639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675928 Withdrawn - After Issue CN202947943U (en) | 2012-12-10 | 2012-12-10 | Test device for determining sludge dewatering property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202947943U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980834A (en) * | 2012-12-10 | 2013-03-20 | 中国科学院武汉岩土力学研究所 | Testing device for measuring sludge dewatering characteristics |
| CN104237045A (en) * | 2014-06-05 | 2014-12-24 | 上海沃杉化工有限公司 | Novel drainability tester |
| CN112461702A (en) * | 2020-11-10 | 2021-03-09 | 南通爱可普环保设备有限公司 | Sludge water loss rate testing device and testing method thereof |
-
2012
- 2012-12-10 CN CN 201220675928 patent/CN202947943U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980834A (en) * | 2012-12-10 | 2013-03-20 | 中国科学院武汉岩土力学研究所 | Testing device for measuring sludge dewatering characteristics |
| CN102980834B (en) * | 2012-12-10 | 2014-12-31 | 中国科学院武汉岩土力学研究所 | Testing device for measuring sludge dewatering characteristics |
| CN104237045A (en) * | 2014-06-05 | 2014-12-24 | 上海沃杉化工有限公司 | Novel drainability tester |
| CN112461702A (en) * | 2020-11-10 | 2021-03-09 | 南通爱可普环保设备有限公司 | Sludge water loss rate testing device and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20141231 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20141231 |
|
| RGAV | Abandon patent right to avoid regrant |