CN113281219B - Be used for laboratory silt density index laboratory measuring device - Google Patents
Be used for laboratory silt density index laboratory measuring device Download PDFInfo
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- CN113281219B CN113281219B CN202110646279.0A CN202110646279A CN113281219B CN 113281219 B CN113281219 B CN 113281219B CN 202110646279 A CN202110646279 A CN 202110646279A CN 113281219 B CN113281219 B CN 113281219B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
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Abstract
The invention discloses a laboratory measuring device for a laboratory sludge density index, which comprises a laboratory frame, wherein a fixing frame is arranged on one side of the inner side of the laboratory frame, a sampling groove is arranged on one side of the bottom of the inner side of the laboratory frame, a sludge density test table and an index tester body are respectively arranged at the middle position of one side of the fixing frame, and a measuring groove is arranged on one side of the fixing frame; the density measuring instrument performs density measuring work on the sludge entering the measuring tank through the mutual matching of the index tester body and the sludge density test board, during the process, the sludge entering the guide chute is filtered under the permeation of the filter net bag under the matching of the centrifugal filter component, granular impurities contained in the sludge are extracted, the water liquid spraying component is matched to spray water liquid with a plurality of groups of nozzles, the falling lubricity of the sludge is enhanced, the centrifugal rotation of the guide chute is matched, the sludge conveying falling filtering efficiency is effectively improved, and the flocculation effect in the sludge centralized measuring tank is increased.
Description
Technical Field
The invention relates to the technical field of sludge density measurement, in particular to a laboratory measuring device for a laboratory sludge density index.
Background
The density index value of the sludge is one of the important parameters of the water quality index, which represents the content of particles, colloid and other substances which can block various water purification devices in water, corresponding water purification technologies or devices can be selected by measuring the SDI value, and in the process of reverse osmosis water treatment, the SDI value is one of the important marks for measuring the water inlet of a reverse osmosis system, is a main means for checking whether the outlet water of a pretreatment system meets the requirement of reverse osmosis water inlet, and the size of the SDI value is important for the service life of the reverse osmosis system.
During the measurement period of the current sludge density index, sludge to be measured is often required to be placed into a measuring tank body according to a certain index for precipitation, however, the sludge contains more granular impurities, and the sludge contains certain viscosity, so that the impurities are difficult to filter and remove, and the sludge is easy to block at a feed inlet during pouring and conveying, thereby affecting the subsequent measurement efficiency and precision; after the sludge is measured, the tank body for measuring the sludge generally needs to be cleaned, however, the sludge is possibly concentrated and adhered to the inner wall of the device due to viscosity and is difficult to clean, and the working difficulty and inconvenience of operators are increased; during the silt is measured, probably need take out partial silt or water liquid, carry out sample test work to the attribute and the quality of silt etc. nevertheless silt is difficult to take out during the measurement, influences the normal measurement work of silt density very easily, increases the limitation of device use, reduces operating personnel's work efficiency.
Disclosure of Invention
The invention aims to provide a laboratory measuring device for laboratory sludge density indexes, which solves the related problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the device comprises an experiment frame, wherein a fixing frame is arranged on one side of the inner side of the experiment frame, a sampling groove is arranged on one side of the bottom of the inner side of the experiment frame, a sludge density test platform and an index tester body are respectively arranged at the middle position of one side of the fixing frame, a measuring groove is arranged on one side of the fixing frame, mounting grooves which are mutually connected are arranged at the top of the measuring groove, a driving motor is arranged on one side of the bottom of the inner part of the mounting groove, a gear is arranged at the output end of the driving motor, a bearing seat is arranged at the middle position of the bottom of the inner part of the mounting groove, a feeding hole is arranged at the middle position of the top of the mounting groove, a discharge valve which is mutually communicated is arranged at the middle position of the bottom of the measuring groove, a sampling pump is arranged on one side of the bottom of the measuring groove, a suction pipe and a drainage pipe which are mutually communicated are respectively arranged on two sides of the sampling pump, and the suction pipe extends to the inside of the measuring groove, one side at the fixed bolster top is equipped with water liquid and sprays the subassembly, the inboard cover of bearing frame is equipped with centrifugal filter assembly, one side at experiment frame top is equipped with the control cabinet.
Preferably, a liquid storage tank is arranged on one side of the top of the water liquid spraying assembly, pressure stabilizing valves communicated with each other are arranged on one side of the liquid storage tank, water pumps communicated with each other are arranged on the tops of the pressure stabilizing valves, an annular liquid guide tank is arranged on the outer side, close to the feed inlet, of the top of the mounting groove, the annular liquid guide tank is communicated with the water pumps, and spray heads communicated with each other are uniformly arranged at the bottom of the annular liquid guide tank.
Preferably, the inboard cover of centrifugal filtration subassembly is equipped with the sleeve pipe, sheathed tube top is equipped with the baffle box of mutual intercommunication, the inside top of baffle box is equipped with the filter screen bag, sheathed tube bottom is equipped with the honeycomb duct of mutual intercommunication, the bin outlet has evenly been seted up in the outside of honeycomb duct, the edge at the inside top of measurement groove is equipped with annular spout, the inboard symmetry of annular spout is equipped with the slider of mutually supporting, and is two sets of the bottom of slider is equipped with the linking arm with honeycomb duct interconnect, and is two sets of one side that the linking arm bottom was kept away from each other is equipped with the brush board of laminating each other with the measurement inslot wall, the bottom in the baffle box outside is equipped with the outer ring gear with gear intermeshing.
Preferably, a liquid level observation window is arranged at one end of the front surface of the sampling groove, a liquid receiving port is arranged at one side of the top of the sampling groove, and the liquid receiving port corresponds to the drainage pipe.
Preferably, one side of measuring tank bottom is equipped with communicating pipe, and one side of communicating pipe is equipped with the drain valve, the both sides of measuring tank inside bottom are equipped with interconnect's oblique type fixed plate, and the top of oblique type fixed plate is equipped with the fixed column, and the outside of fixed column is equipped with the toper guide block that three groups and multiunit bin outlet position correspond, the intermediate position department of measuring the tank outside is equipped with fixed frame, and fixed frame respectively with experiment frame and mount interconnect.
Preferably, the edge at the inside top of mounting groove is equipped with the guide ring, and guide ring and baffle box mutually support, the bottom of mounting groove one side is equipped with the fixed block, and the bottom of fixed block is equipped with discharge valve, and discharge valve communicates with the inside of measuring tank each other.
Preferably, the index tester body penetrates through the mounting groove and extends into the measuring groove, and a data display screen is arranged at one end of the sludge density testing platform.
Preferably, a plurality of groups of the nozzles are in an inclined structure and are communicated with the annular liquid guide groove to be assembled, and the plurality of groups of the nozzles correspond to the inside of the liquid guide groove.
Preferably, positioning columns are arranged on two sides of the top of the guide chute, and positioning rings matched with the positioning columns are arranged on the top of two sides of the filter net bag.
Preferably, the top of the discharge opening is provided with an inclined flow guide frame, and the cleaning brush plates are provided with a stirring brush at one side close to each other.
Compared with the prior art, the invention provides a laboratory measuring device for laboratory sludge density index, which has the following beneficial effects:
1. the invention carries out density measurement on the sludge entering the measuring tank through the mutual matching of the index tester body and the sludge density test platform, during the process, the sludge entering the guide chute is filtered under the permeation of the filter net bag under the matching of the centrifugal filter component, the granular impurities contained in the sludge are extracted, and the water spraying component is matched to spray water with a plurality of groups of spray heads, so that the falling lubricity of the sludge is enhanced, the centrifugal rotation of the guide chute is matched, the falling filtering efficiency of the sludge conveying is effectively improved, the flocculation effect in the sludge centralized measuring tank is increased, thereby well matching with the index tester body and the sludge density test bench to measure the sludge density index, utilize the sample pump simultaneously and inhale the intercommunication cooperation of material pipe, be convenient for take out the silt ration of measuring inslot to the collection of sample tank in, conveniently sample alone silt, increase functional and the flexibility that the device used.
2. The centrifugal filtering components are matched with each other, so that impurities contained in the sludge can be conveniently separated under the centrifugal rotation of the guide chute and the filtering permeation of the filtering net bag, the filtered impurities are centralized on the surface of the filtering net bag, the filtering net bag can be conveniently and independently taken and cleaned, and meanwhile, under the communication and matching of the plurality of groups of discharge ports and the guide pipes, the sludge conveyed by the guide pipes is enabled to be outwards discharged under the influence of the centrifugal force, the uniformity of the sludge centralized in the measuring chute is improved, and the sedimentation efficiency of the sludge and the accuracy of subsequent measurement are improved.
3. According to the invention, through the mutual matching of the water liquid spraying components, when the measuring tank needs to be cleaned, the water liquid is enabled to fly outwards under the communication of the guide chute and the guide pipe by utilizing the spraying of the multiple groups of spray heads, and the two groups of connecting arms and the cleaning plates are driven to rotate annularly under the guide matching of the sliding blocks and the annular sliding grooves along with the rotation of the guide pipe in the centrifugal filtering component, so that the two groups of cleaning plates are enabled to stir the water liquid entering the measuring tank and scrape the inner wall of the measuring tank, and further, the sludge adhered in the measuring tank is automatically cleaned and brushed by matching with the spraying of the water liquid, the convenience of the cleaning work of the device is improved, and the practicability of the device is enhanced.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged cross-sectional view of the mounting groove of the present invention;
FIG. 4 is an enlarged sectional view of the measuring tank of the present invention;
FIG. 5 is a bottom view of the annular fluid guide of the present invention;
FIG. 6 is a perspective view of the draft tube of the present invention;
fig. 7 is a perspective view of the material guide chute of the present invention.
In the figure: 1. an experiment frame; 2. a sampling groove; 3. a measuring tank; 4. a fixed mount; 5. an index tester body; 6. a sludge density test bench; 7. a console; 8. a liquid storage tank; 801. a pressure maintaining valve; 802. a water pump; 803. an annular liquid guide groove; 804. a spray head; 9. mounting grooves; 10. a feed inlet; 11. a gear; 12. a drive motor; 13. a bearing seat; 14. an outer ring gear; 141. a sleeve; 142. a material guide chute; 143. a filter net bag; 144. a slider; 145. an annular chute; 146. a flow guide pipe; 147. a discharge outlet; 148. a connecting arm; 149. cleaning the board; 15. a discharge valve; 16. a material suction pipe; 17. a sampling pump; 18. a drain pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a laboratory measuring device for laboratory sludge density indexes comprises a laboratory frame 1, wherein a fixing frame 4 is arranged on one side of the inner side of the laboratory frame 1, a sampling groove 2 is arranged on one side of the bottom of the inner side of the laboratory frame 1, a sludge density test table 6 and an index tester body 5 are respectively arranged at the middle position of one side of the fixing frame 4, a measuring groove 3 is arranged on one side of the fixing frame 4, a mounting groove 9 which is mutually connected is arranged at the top of the measuring groove 3, a driving motor 12 is arranged on one side of the bottom inside the mounting groove 9, a gear 11 is arranged at the output end of the driving motor 12, a bearing seat 13 is arranged at the middle position of the bottom inside the mounting groove 9, a feeding hole 10 is formed at the middle position of the top of the mounting groove 9, a discharge valve 15 which is mutually communicated is arranged at the middle position of the bottom of the measuring groove 3, a sampling pump 17 is arranged on one side of the bottom of the measuring groove 3, a material suction pipe 16 and a discharge pipe 18 which are mutually communicated are respectively arranged at two sides of the sampling pump 17, the material suction pipe 16 extends to the inside of the measuring tank 3, one side of the top of the fixing frame 4 is provided with a water liquid spraying assembly, the inner side of the bearing seat 13 is sleeved with a centrifugal filtering assembly, and one side of the top of the experiment frame 1 is provided with a control console 7.
As a preferable aspect of the present embodiment: one side at water liquid spray assembly top is equipped with reservoir 8, and one side of reservoir 8 is equipped with the surge damping valve 801 of intercommunication each other, and the top of surge damping valve 801 is equipped with the water pump 802 of intercommunication each other, and the outside that the top of mounting groove 9 is close to feed inlet 10 is equipped with annular liquid guide groove 803, and annular liquid guide groove 803 and water pump 802 intercommunication each other, and the bottom in annular liquid guide groove 803 evenly is equipped with the shower nozzle 804 of intercommunication each other.
As a preferable aspect of the present embodiment: the inboard cover of centrifugal filter subassembly is equipped with sleeve pipe 141, sleeve pipe 141's top is equipped with the baffle box 142 of mutual intercommunication, the inside top of baffle box 142 is equipped with filtration string bag 143, sleeve pipe 141's bottom is equipped with the honeycomb duct 146 of mutual intercommunication, bin outlet 147 has evenly been seted up in the outside of honeycomb duct 146, the edge at the inside top of measurement groove 3 is equipped with annular chute 145, the inboard symmetry of annular chute 145 is equipped with the slider 144 of mutually supporting, the bottom of two sets of sliders 144 is equipped with the linking arm 148 with honeycomb duct 146 interconnect, one side that two sets of linking arm 148 bottoms kept away from each other is equipped with the brush-cleaning plate 149 with the mutual laminating of measurement groove 3 inner wall, the bottom in the baffle box 142 outside is equipped with the outer ring gear 14 with gear 11 intermeshing.
As a preferable aspect of the present embodiment: the positive one end of sample groove 2 is equipped with the liquid level observation window, and one side at 2 tops in sample groove is equipped with and connects the liquid mouth, and connects the liquid mouth and correspond each other with discharge tube 18, is convenient for take a sample to partial silt through the sample groove alone, and the silt of conveniently removing the sample carries out subsequent test work.
As a preferable aspect of the present embodiment: one side of 3 bottoms in measuring tank is equipped with communicating pipe, and one side of communicating pipe is equipped with the drain valve, be convenient for discharge the water liquid seepage that stays in the inside of silt, improve the accuracy nature of silt density test work, the both sides of 3 inside bottoms in measuring tank are equipped with interconnect's oblique type fixed plate, and the top of oblique type fixed plate is equipped with the fixed column, and the outside of fixed column is equipped with three group and the toper guide block that multiunit bin outlet 147 position corresponds, increase the guidance quality that silt was carried the whereabouts, the intermediate position department in the 3 outsides in measuring tank is equipped with fixed frame, and fixed frame respectively with experiment frame 1 and mount 4 interconnect.
As a preferable aspect of the present embodiment: the edge at the inside top of mounting groove 9 is equipped with the guide ring, and the guide ring is mutually supported with baffle box 142, and the bottom of mounting groove 9 one side is equipped with the fixed block, and the bottom of fixed block is equipped with discharge valve, and discharge valve communicates each other with the inside of measuring cell 3, is convenient for discharge the gas in measuring cell 3 fast to cooperation silt density measurement work.
As a preferable aspect of the present embodiment: the index tester body 5 passes through the inside that mounting groove 9 extended to measuring tank 3, and the one end of silt density test platform 6 is equipped with data display screen, is convenient for carry out density detection work to silt through the index tester body, throws out the data that detect simultaneously through data display screen.
As a preferable aspect of the present embodiment: the multiple groups of spray heads 804 are of an inclined structure and are communicated with the annular liquid guide groove 803 for assembly, the multiple groups of spray heads 804 correspond to the inside of the liquid guide groove 142, so that water can be conveniently concentrated and sprayed to the inside of the liquid guide groove 142, the falling of sludge is matched to improve the filtering effect of the sludge, and the subsequent device cleaning work is facilitated.
As a preferable embodiment of the present embodiment: the both sides at baffle box 142 top are equipped with the reference column, and the top of filter screen bag 143 both sides is equipped with the holding ring of mutually supporting with the reference column, and the block of the cancellation holding ring of being convenient for and reference column is fixed, makes filter screen bag 143 take out alone, and the impurity that filters silt with filter screen bag 143 carries out the cleaning work, increases the convenience that this structure used the dismouting.
As a preferable aspect of the present embodiment: the top of multiunit bin outlet 147 all is equipped with oblique type water conservancy diversion frame, increases the water conservancy diversion nature of discharging silt from bin outlet 147, and one side that two sets of clean brush boards 149 are close to each other is equipped with the stirring brush, can stir the water liquid when the device carries out the cleaning work, strengthens the cleaning efficiency of device.
The working principle is as follows: when the device is used, sludge to be measured can be poured into the mounting groove 9 from the feed port 10, during the period, the driving motor 12 is started through the control console 7, the gear 11 is driven to rotate along with the starting of the driving motor 12, the gear 11 and the outer gear ring 14 are forced to be meshed with each other to drive the sleeve 141, the guide chute 142 and the guide pipe 146 to rotate integrally under the matching of the bearing block 13, at the moment, the sludge falling from the feed port 10 can be received through the guide chute 142 and the filter net bag 143, and the impurities in the sludge can be separated through the filter net bag 143 rotating centrifugally and then enter the guide pipe 146 from the sleeve 141, under the influence of centrifugal force, the sludge can be enabled to fly outwards from the multiple groups of discharge ports 147, and then the sludge can be uniformly covered and deposited in the measuring groove 3, at the moment, the sludge density detection work can be carried out through the mutual matching of the index tester 5 and the sludge density testing table 6, during the period, the sludge in the measuring tank 3 can be absorbed to the drainage pipe 18 to be discharged from the material suction pipe 16 through the starting of the sampling pump 17, the discharged sludge is received through the sampling tank 2, and then part of the sludge can be taken out independently to perform subsequent sampling test work, so that the use functionality and the practicability of the device are increased.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and do not limit the protection scope of the present invention, and those skilled in the art can make simple modifications or equivalent substitutions on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A laboratory measuring device for laboratory sludge density index comprises a laboratory frame (1), and is characterized in that: the testing device is characterized in that a fixing frame (4) is arranged on one inner side of the testing frame (1), a sampling groove (2) is arranged on one inner bottom side of the testing frame (1), a sludge density testing table (6) and an index tester body (5) are respectively arranged at the middle position of one side of the fixing frame (4), a measuring groove (3) is arranged on one side of the fixing frame (4), mounting grooves (9) which are mutually connected are arranged at the top of the measuring groove (3), a driving motor (12) is arranged on one inner bottom side of each mounting groove (9), a gear (11) is arranged at the output end of the driving motor (12), a bearing seat (13) is arranged at the middle position of the inner bottom of each mounting groove (9), a feeding hole (10) is formed at the middle position of the top of each mounting groove (9), and a discharging valve (15) which is mutually communicated is arranged at the middle position of the bottom of each measuring groove (3), a sampling pump (17) is arranged on one side of the bottom of the measuring tank (3), a material suction pipe (16) and a material drainage pipe (18) which are communicated with each other are respectively arranged on two sides of the sampling pump (17), the material suction pipe (16) extends to the inside of the measuring tank (3), a water liquid spraying assembly is arranged on one side of the top of the fixing frame (4), a centrifugal filtering assembly is sleeved on the inner side of the bearing seat (13), a control console (7) is arranged on one side of the top of the experiment frame (1),
Wherein, one side of the top of the water liquid spraying component is provided with a liquid storage tank (8), one side of the liquid storage tank (8) is provided with a pressure stabilizing valve (801) which are communicated with each other, the top of the pressure stabilizing valve (801) is provided with a water pump (802) which are communicated with each other, the outer side of the top of the mounting groove (9) close to the feed inlet (10) is provided with an annular liquid guide tank (803), the annular liquid guide tank (803) is communicated with the water pump (802), the bottom of the annular liquid guide tank (803) is uniformly provided with spray heads (804) which are communicated with each other,
wherein, the inboard cover of centrifugal filter subassembly is equipped with sleeve pipe (141), the top of sleeve pipe (141) is equipped with baffle box (142) that communicates each other, the inside top of baffle box (142) is equipped with filtration string bag (143), the bottom of sleeve pipe (141) is equipped with honeycomb duct (146) that communicate each other, bin outlet (147) have evenly been seted up in the outside of honeycomb duct (146), the edge at the inside top of measuring groove (3) is equipped with annular spout (145), the inboard symmetry of annular spout (145) is equipped with slider (144) of mutually supporting, two sets of the bottom of slider (144) is equipped with linking arm (148) with honeycomb duct (146) interconnect, two sets of one side that keeps away from each other in the bottom of linking arm (148) is equipped with the brush board (149) of laminating each other with measuring groove (3) inner wall, the bottom in the baffle box (142) outside is equipped with gear (11) intermeshing's outer ring gear (14), and is provided with
The multiple groups of spray heads (804) are in an inclined structure and are mutually communicated and assembled with the annular material guide groove (803), and the multiple groups of spray heads (804) correspond to the interior of the material guide groove (142).
2. The laboratory measuring device for laboratory sludge density index according to claim 1, wherein: the liquid level observation window is arranged at one end of the front face of the sampling groove (2), a liquid receiving port is arranged at one side of the top of the sampling groove (2), and the liquid receiving port corresponds to the drainage pipe (18).
3. The laboratory sludge density index laboratory measuring device of claim 1, wherein: one side of measuring tank (3) bottom is equipped with communicating pipe, and one side of communicating pipe is equipped with the drain valve, the both sides of the inside bottom of measuring tank (3) are equipped with interconnect's oblique type fixed plate, and the top of oblique type fixed plate is equipped with the fixed column, and the outside of fixed column is equipped with three group's toper guide blocks that correspond with multiunit bin outlet (147) position, the intermediate position department in the measuring tank (3) outside is equipped with fixed frame, and fixed frame respectively with experiment frame (1) and mount (4) interconnect.
4. The laboratory sludge density index laboratory measuring device of claim 1, wherein: the edge at the inside top of mounting groove (9) is equipped with the guide ring, and the guide ring is mutually supported with baffle box (142), the bottom of mounting groove (9) one side is equipped with the fixed block, and the bottom of fixed block is equipped with discharge valve, and discharge valve communicates each other with the inside of measuring cell (3).
5. The laboratory sludge density index laboratory measuring device of claim 1, wherein: the index tester body (5) penetrates through the mounting groove (9) and extends into the measuring groove (3), and one end of the sludge density testing table (6) is provided with a data display screen.
6. The laboratory sludge density index laboratory measuring device of claim 1, wherein: positioning columns are arranged on two sides of the top of the guide chute (142), and positioning rings matched with the positioning columns are arranged on the top of two sides of the filter net bag (143).
7. The laboratory sludge density index laboratory measuring device of claim 1, wherein: the top of the plurality of groups of discharge outlets (147) is provided with an inclined flow guide frame, and one side of each group of cleaning plates (149) close to each other is provided with a stirring brush.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110646279.0A CN113281219B (en) | 2021-06-10 | 2021-06-10 | Be used for laboratory silt density index laboratory measuring device |
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| CN202110646279.0A CN113281219B (en) | 2021-06-10 | 2021-06-10 | Be used for laboratory silt density index laboratory measuring device |
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| CN113281219B true CN113281219B (en) | 2022-06-28 |
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| CN114858669B (en) * | 2022-07-07 | 2022-09-20 | 江苏科德生态环保水处理有限公司 | Intelligent sludge settlement ratio detection device |
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| CN101706407A (en) * | 2009-11-30 | 2010-05-12 | 上海宝钢工程技术有限公司 | Test method of silt density index (SDI) in desalted water processing system and device thereof |
| CN203365268U (en) * | 2013-07-08 | 2013-12-25 | 国家电网公司 | Lab measuring device for lab sludge density index |
| CN106093331A (en) * | 2016-07-01 | 2016-11-09 | 天津市职业大学 | Feed water by reverse osmosis SDI automatic testing equipment and control method |
| CN210885755U (en) * | 2019-11-08 | 2020-06-30 | 湖南省水利水电科学研究院 | Y-shaped sludge filter pressing device |
| CN111646668A (en) * | 2020-04-30 | 2020-09-11 | 湖北众堃科技股份有限公司 | High-density filtering and dewatering device for sludge concentration |
| CN213202782U (en) * | 2020-05-09 | 2021-05-14 | 邓为成 | Efficient filtering device for sludge treatment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0512666A (en) * | 2005-04-28 | 2008-04-01 | Hitachi Ltd | apparatus and method of magnetic separation purification |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706407A (en) * | 2009-11-30 | 2010-05-12 | 上海宝钢工程技术有限公司 | Test method of silt density index (SDI) in desalted water processing system and device thereof |
| CN203365268U (en) * | 2013-07-08 | 2013-12-25 | 国家电网公司 | Lab measuring device for lab sludge density index |
| CN106093331A (en) * | 2016-07-01 | 2016-11-09 | 天津市职业大学 | Feed water by reverse osmosis SDI automatic testing equipment and control method |
| CN210885755U (en) * | 2019-11-08 | 2020-06-30 | 湖南省水利水电科学研究院 | Y-shaped sludge filter pressing device |
| CN111646668A (en) * | 2020-04-30 | 2020-09-11 | 湖北众堃科技股份有限公司 | High-density filtering and dewatering device for sludge concentration |
| CN213202782U (en) * | 2020-05-09 | 2021-05-14 | 邓为成 | Efficient filtering device for sludge treatment |
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