CN211374665U - Sludge dewatering performance testing device - Google Patents
Sludge dewatering performance testing device Download PDFInfo
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- CN211374665U CN211374665U CN201921573198.7U CN201921573198U CN211374665U CN 211374665 U CN211374665 U CN 211374665U CN 201921573198 U CN201921573198 U CN 201921573198U CN 211374665 U CN211374665 U CN 211374665U
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- sludge dewatering
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Abstract
The utility model provides a sludge dewatering capability test device, including hydraulic transmission system and filter pressing device, hydraulic transmission system includes the hydraulic pressure station and the pneumatic cylinder that is connected with the hydraulic pressure station, filter pressing device includes cloth mud recess and measuring device, the cloth mud recess is used for placing the mud sample and is provided with a plurality of apopores, measuring device pass through the pipeline with the cloth mud recess is connected for the filtrating volume that the measuring pressure filtered out. The utility model discloses a test to the sludge dewatering performance that above-mentioned testing arrangement realized has simplified test process and has improved the accuracy of test result.
Description
Technical Field
The utility model relates to a high dry dehydration technical field of mud, concretely relates to device of mud dehydration capability test.
Background
The sludge high-dry dehydration is that the sludge dehydration performance needs to be tested before mechanical dehydration such as plate-and-frame filter press, the dehydration performance directly affects the treatment efficiency and the sludge dehydration degree of sludge dehydration equipment, the sludge with poor sludge dehydration performance needs to be conditioned and modified in a physical, chemical or biological mode, the conditioning process is selected according to the sludge dehydration performance index after testing different conditioning modes, and the testing method of the sludge dehydration performance is of great importance.
The sludge specific resistance and the capillary water absorption time are the most commonly used indexes and test methods for characterizing the sludge dewatering performance at present, and the sludge specific resistance has large error of test results and long test period due to the fact that the measured parameters are complicated and the test time of part of parameters is long, and accuracy and effectiveness of the test results are affected. CST can only represent the sludge-water separation effect under the non-pressure state, the deviation of the test result and the filter pressing result of the filter pressing equipment is large, and the dehydration performance of the pressure-treated sludge cannot be accurately judged.
SUMMERY OF THE UTILITY MODEL
The method aims to solve the problems that in the prior art, the specific resistance and capillary water absorption time of sludge are used as indexes and test methods for representing the sludge dewatering performance, the measured parameters are complicated, the test time of part of parameters is long, the error of the test result is large, the test period is long, and the like, and the accuracy and the effectiveness of the sludge dewatering performance test are influenced. The utility model discloses a test to the sludge dewatering performance that above-mentioned testing arrangement realized has simplified test process and has improved the accuracy of test result.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sludge dewatering capability test device, includes hydraulic transmission system and filter pressing device, hydraulic transmission system includes hydraulic pressure station and the pneumatic cylinder that is connected with hydraulic pressure station, filter pressing device includes cloth mud recess and measuring device, the cloth mud recess is used for placing the mud sample and is provided with a plurality of apopores, measuring device pass through the pipeline with the cloth mud recess is connected for the filtrating volume that the measurement pressure filtered out.
Preferably, one end of the hydraulic cylinder is provided with a push plate, one end of the hydraulic cylinder, which is provided with the push plate, is vertically and downwards arranged on the first bearing plate, and the sludge sample is arranged in the filter bag in the preferred embodiment.
Preferably, the push plate is movable up and down in the axial direction of the hydraulic cylinder.
Furthermore, a second bearing plate is arranged right below the push plate, and the mud distribution groove is fixed on the upper end face of the second bearing plate.
Preferably, the first bearing plate and the second bearing plate are arranged on the bracket in parallel.
According to the technical scheme provided by the utility model, the utility model discloses fine solution under the prior art, mud specific resistance and capillary time of absorbing water are as sign mud dehydration performance's index and test method, have the redundant miscellaneous of survey parameter, and partial parameter test time is longer, lead to the test result error great, the longer scheduling problem of test cycle influences the accuracy and the effectiveness of mud dehydration performance test. The utility model discloses a test to the sludge dewatering performance that above-mentioned testing arrangement realized has simplified test process and has improved the accuracy of test result.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
in the figure, 11, a hydraulic station; 12. a hydraulic cylinder; 13. pushing the plate; 21. a mud distributing groove; 22. a measuring device; 3. a first bearing plate; 4. a second bearing plate; 5. and (4) a bracket.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
The sludge dewatering performance testing device comprises a hydraulic transmission system and a filter pressing device, wherein the hydraulic transmission system comprises a hydraulic station 11 and a hydraulic cylinder 12 connected with the hydraulic station, the filter pressing device comprises a sludge distribution groove 21 and a measuring device 22, the sludge distribution groove is used for placing a sludge sample and is provided with a plurality of water outlets, the measuring device is connected with the sludge distribution groove through a pipeline and used for measuring the volume of filtrate filtered out by pressure, and the measuring device used in the preferred embodiment is a measuring cylinder.
The hydraulic transmission is a transmission mode for energy transmission and control by taking liquid as a working medium, and a hydraulic transmission technology is mechanically adopted, so that the structure of the machine can be simplified, the quality of the machine is reduced, the material consumption is reduced, the manufacturing cost is reduced, the labor intensity is reduced, and the working efficiency and the working reliability are improved.
As shown in fig. 1, one end of the hydraulic cylinder 12 is provided with a push plate 13, and one end of the hydraulic cylinder provided with the push plate is vertically and downwards arranged on the first bearing plate 3.
As shown in fig. 1, the push plate 13 can move up and down along the axial direction of the hydraulic cylinder, and the push plate is used for pressing the sludge sample.
As shown in figure 1, a second bearing plate 4 is arranged under the push plate 13 due to the large pressure generated in the filter pressing process, the mud distribution groove is fixed on the upper end surface of the second bearing plate, and the first bearing plate 3 and the second bearing plate are arranged on the bracket 5 in parallel.
In a specific test experiment, the principle of the sludge dewatering performance test is as follows: taking a proper amount of sludge sample, measuring the water content of the sludge sample by using an oven method, and calculating the volume of the sludge sample; then, carrying out filter pressing on a sludge sample by using the sludge dewatering performance testing device, recording the volume of filtrate in the measuring device, and drawing by taking the ratio of filter pressing time to the volume of the filtrate as a vertical coordinate and the volume of the filtrate as a horizontal coordinate to obtain a slope; then increasing the pressure, carrying out filter pressing for a certain time, taking the mud cake in the filter bag after the filter pressing is finished, and measuring the solid content of the mud cake; taking a plurality of sludge samples, adding a proper amount of conditioner into the sludge samples, wherein the conditioner in each sludge sample is different from the other conditioner, and repeating the steps; by comparing the data, it was concluded that: the conditioner improves the sludge dewatering rate and the sludge dewatering dryness, the dewatering performance of the sludge sample added with the conditioner is superior to that of the original sludge sample, the dewatering performance of the sludge sample added with the conditioner is different, and accordingly, the sludge conditioner is preferred.
The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (5)
1. The utility model provides a sludge dewatering capability test device, includes hydraulic transmission system and filter pressing device, hydraulic transmission system includes hydraulic pressure station (11) and pneumatic cylinder (12) that are connected with the hydraulic pressure station, its characterized in that, filter pressing device includes:
the sludge distribution groove (21) is used for placing a sludge sample and is provided with a plurality of water outlet holes;
a measuring device (22) connected to the water outlet opening by a pipe for measuring the volume of filtrate pressed out.
2. The sludge dewatering performance testing device as claimed in claim 1, wherein one end of the hydraulic cylinder (12) is provided with a push plate (13), and the other end of the hydraulic cylinder provided with the push plate is vertically and downwards arranged on the first bearing plate (3).
3. The sludge dewatering performance testing device according to claim 2, wherein the push plate (13) is capable of moving up and down along the axial direction of the hydraulic cylinder (12).
4. The sludge dewatering performance testing device according to claim 2, wherein a second bearing plate (4) is arranged right below the push plate (13), and the sludge distribution groove (21) is fixed on the upper end surface of the second bearing plate.
5. The sludge dewatering performance testing device according to claim 2 or 4, characterized in that the first pressure bearing plate (3) and the second pressure bearing plate (4) are arranged on the bracket (5) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573198.7U CN211374665U (en) | 2019-09-20 | 2019-09-20 | Sludge dewatering performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573198.7U CN211374665U (en) | 2019-09-20 | 2019-09-20 | Sludge dewatering performance testing device |
Publications (1)
| Publication Number | Publication Date |
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| CN211374665U true CN211374665U (en) | 2020-08-28 |
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| CN201921573198.7U Active CN211374665U (en) | 2019-09-20 | 2019-09-20 | Sludge dewatering performance testing device |
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| CN (1) | CN211374665U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632257A (en) * | 2019-09-20 | 2019-12-31 | 安徽省通源环境节能股份有限公司 | Sludge dewatering performance testing device and testing method |
| CN113666600A (en) * | 2021-09-15 | 2021-11-19 | 中铁工程服务有限公司 | Portable slurry treatment test system and test method thereof |
| CN114870462A (en) * | 2022-05-13 | 2022-08-09 | 武汉工程大学 | Small-sized mud flowing and filter pressing device and method for indoor test |
-
2019
- 2019-09-20 CN CN201921573198.7U patent/CN211374665U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632257A (en) * | 2019-09-20 | 2019-12-31 | 安徽省通源环境节能股份有限公司 | Sludge dewatering performance testing device and testing method |
| CN113666600A (en) * | 2021-09-15 | 2021-11-19 | 中铁工程服务有限公司 | Portable slurry treatment test system and test method thereof |
| CN114870462A (en) * | 2022-05-13 | 2022-08-09 | 武汉工程大学 | Small-sized mud flowing and filter pressing device and method for indoor test |
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Address after: No. 3966, Qimen Road, Baohe District, Hefei, Anhui Province, 230009 Patentee after: ANHUI TONGYUAN ENVIRONMENT ENERGY SAVING Co.,Ltd. Address before: No. 856, Jinzhai South Road, Baohe District, Hefei City, Anhui Province, 230041 Patentee before: ANHUI TONGYUAN ENVIRONMENT ENERGY SAVING Co.,Ltd. |
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