CN211785002U - Portable silt density index testing arrangement - Google Patents
Portable silt density index testing arrangement Download PDFInfo
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- CN211785002U CN211785002U CN201922502469.6U CN201922502469U CN211785002U CN 211785002 U CN211785002 U CN 211785002U CN 201922502469 U CN201922502469 U CN 201922502469U CN 211785002 U CN211785002 U CN 211785002U
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Abstract
The invention discloses a portable sludge density index testing device. All components of the device are integrated into a suitcase, and a folding bucket, a booster pump, a water pump power line and adapter, a mobile power supply, an SDI water inlet pressure reducing valve (5) with a pressure gauge, an SDI instrument water inlet manual ball valve, an SDI detector, a measuring cylinder, a connecting hose, a connector and an SDI membrane are arranged in the suitcase; during the survey, open folding cask, fold the cask through attach fitting and hose in proper order and be connected with booster pump, the SDI that takes the pressure gauge relief pressure valve that intakes, SDI appearance manual ball valve, SDI detector of intaking, booster pump link to each other with portable power source through water pump power cord and adapter in order to provide power, pour into the water sample that awaits measuring into folding cask in, can begin to detect. When the device is used, the sludge density index of various water sources can be measured by simple field assembly. Meanwhile, various components required by the test are integrated into a suitcase, so that the portable test box is convenient to carry.
Description
Technical Field
The invention belongs to the field of water treatment, and relates to a portable sludge density index testing device.
Background
The sludge density index is also called SDI, is one of important parameters for reflecting reverse osmosis water inflow indexes, is a main means for detecting and detecting whether the effluent of the pretreatment system meets the requirements of reverse osmosis water inflow, and the size of the sludge density index is important for the service life of a reverse osmosis system. This method is derived from ASTM method 4189-95, a standard test method recognized in the industry. However, SDI cannot be measured in some places where water pressure does not meet conditions due to the fact that SDI testing needs to be conducted under the constant-pressure water flow with the water inlet pressure of 0.21Mpa, for example, ultra-filtration produced water generally only has the water pressure of about 0.1Mpa, the treatment effect of ultra-filtration equipment cannot be detected through SDI measurement, and meanwhile, if the pre-treatment equipment does not have an interface connected with an SDI instrument, SDI cannot be measured. It is therefore desirable to provide a portable SDI testing device that is adaptable to various locations, provides satisfactory water pressure, measures all components, and is simple and lightweight.
Disclosure of Invention
The invention provides a portable SDI detection device which is suitable for different places, can provide water pressure meeting requirements, is simple and portable, and solves the SDI measurement problem of non-pressure or low-pressure water sources such as ultrafiltration water production and the like.
The invention relates to a portable sludge density index testing device which is simple in structure, simple and convenient to operate and exquisite in design, integrates all components required for measuring SDI into a suitcase and is convenient to carry. A folding bucket, a booster pump, a water pump power line and adapter, a mobile power supply, an SDI water inlet pressure reducing valve (5) with a pressure gauge, an SDI instrument water inlet manual ball valve, an SDI detector, a measuring cylinder, a connecting hose, a joint and an SDI membrane are arranged in the suitcase body; wherein the folding plastic bucket is used for containing a water sample to be measured; the water pump is used for pumping a water sample in the water barrel into the SDI tester and providing water pressure of at least 0.21 Mpa; the mobile power supply is used for providing necessary power for the water pump on the site where the power supply cannot be provided; the SDI water inlet pressure gauge is used for displaying the water inlet pressure of the SDI tester; the SDI meter water inlet pressure reducing valve and the SDI water inlet manual ball valve are used for adjusting the SDI water inlet pressure; the SDI detector is used for clamping the SDI diaphragm and detecting the SDI diaphragm; the measuring cylinder is used for measuring the water passing amount of the SDI diaphragm; the hose and the joint are used for connecting the components;
during the survey, folding cask pass through attach fitting and hose and be connected with booster pump, the SDI that takes the pressure gauge relief pressure valve that intakes, SDI appearance manual ball valve, SDI detector of intaking in proper order, booster pump pass through water pump power cord and adapter and link to each other with portable power source, the graduated flask set up in SDI detector below.
In the portable sludge density index testing device, the folding water bucket is made of foldable plastic materials.
The SDI water inlet pressure reducing valve with the pressure gauge is provided with the pressure gauge, and the range of the pressure gauge is 0-0.6 Mpa, 0-1.0 Mpa and 0-1.6 Mpa; the water pressure can be adjusted to 0.21 Mpa.
The lift of the booster water pump is not lower than 0.21Mpa, and the flow is not lower than 5L/min.
The pressure water pump overflowing part is made of plastic or stainless steel corrosion-resistant materials.
The mobile power supply is a power supply capable of providing a 220V power supply or meeting the full-load work of the booster water pump.
The suitcase body is made of plastic or aluminum alloy, the outer part of the suitcase body is provided with a handle, and foam is filled among all the components in the suitcase body.
The connecting hose and the joint in the joint are made of plastics, copper nickel-plated alloy or stainless steel.
The SDI membrane is a microporous filter membrane, and the aperture of the filter membrane is 0.45 mu m.
Compared with the prior art, the invention has the following technical characteristics:
1) the invention has the advantages of exquisite design, small volume, light weight and convenient carrying.
2) The invention integrates all the components required by SDI test into a suitcase, and the suitcase can be carried to various places for determination according to the size.
3) On the basis of the traditional SDI tester, the invention adds the components such as the folding bucket, the water pump and the like, and effectively solves the problem that the traditional SDI tester can not test low-pressure or non-pressure water sources.
Drawings
FIG. 1 is a top view of a portable sludge density index testing device of the present invention integrated into a carrying case;
fig. 2 is a schematic assembled structure of the present invention.
Wherein, 1, folding the plastic bucket (after folding, the plastic bucket is arranged at the bottom of the box body); 2. a booster water pump; 3. a water pump power cord and an adapter; 4. a mobile power supply; 5. an SDI water inlet pressure reducing valve with a pressure gauge; 6. a SDI instrument water inlet manual ball valve; 7. SDI detector (gripping device); 8. a measuring cylinder; 9. connecting a hose and a joint; 10. an SDI membrane; 11. suitcase body.
Detailed Description
The invention will be further described with reference to the following embodiments and figures 1 and 2.
As shown in attached figure 1, the portable sludge density index testing device comprises a folding plastic bucket 1 (placed at the bottom of a suitcase body after being folded) which is stored in the suitcase body 11 in a centralized mode, a pressurizing water pump 2, a water pump power line and adapter 3, a mobile power supply 4, an SDI water inlet pressure reducing valve 5 with a pressure gauge, an SDI instrument water inlet manual ball valve 6, an SDI detector (clamping device) 7, a measuring cylinder 8 with the volume of 500ml, a connecting hose and joint 9 and an SDI membrane 10.
During testing, the apparatus is removed from the suitcase tank 11 in sequence and the components are connected in sequence by means of the connectors and hoses. The method comprises the following steps of (1) opening a folding bucket, connecting a water outlet at the lower part of the bucket with a water inlet of a booster water pump 2 by using a connecting hose and a joint 9, then connecting a water outlet of the water pump with an SDI (serial digital interface) water inlet pressure reducing valve 5 with a pressure gauge, then connecting the SDI water inlet pressure reducing valve 5 with the pressure gauge with an SDI instrument water inlet manual ball valve 6, and connecting the SDI instrument water inlet manual ball valve 6 with an SDI detector 7 (clamping device); and finally, connecting the movable power supply 4 with the booster water pump 2 by using a water pump power line and the adapter 2, and finishing the assembly of the device. The diameters of the connecting hose and the hose in the joint are 6mm, 8mm, 10mm, 12mm and 14 mm. The joints in the connecting hoses and the joints comprise outer wire joints or inner wire joints which are 6mm, 8mm, 10mm, 12mm and 14mm in quick insertion or quick screwing and rotating for 2 minutes, 4 minutes, 6 minutes and 8 minutes; 6mm, 8mm, 10mm, 12mm, 14mm fast plug through connect. The water outlet of the folding bucket is connected with the water inlet of the booster pump; the water outlet of the booster water pump is connected with the inlet of an SDI water inlet pressure reducing valve with a pressure gauge; an outlet of the SDI water inlet pressure reducing valve with the pressure gauge is connected with an SDI instrument water inlet manual ball valve, and the SDI instrument water inlet manual ball valve is connected with an SDI detector (clamping device).
When the water sample testing device is used, a water sample to be tested is connected into a 1-fold water bucket, a fastening knob of an SDI detector (clamping device) 7 is opened, an SDI diaphragm 10 is placed into the clamping device, then the fastening knob is used for fixing, a power supply is switched on, a pressurizing water pump 2 is started, an SDI meter water inlet manual ball valve 6 is slowly opened, an SDI water inlet pressure reducing valve 5 with a pressure gauge is adjusted, and the pressure gauge on the SDI water inlet pressure reducing valve 5 with the pressure gauge is controlled to be 0.21 Mpa; at the moment, the SDI detector (clamping device) 7 discharges water, a measuring cylinder 8 with the volume of 500ml is used for containing the discharged water, and after the 500ml discharged water is filled, timing (t1) and emptying the measuring cylinder are carried out; keeping the SDI detector (clamping device) 7 to continuously discharge water, continuously using a 500ml measuring cylinder to receive the discharged water after 15 minutes, and timing again after the 500ml discharged water is filled (t 2). The test water source SDI value was calculated using the following formula.
SDI＝1-t2/t1
Example 1:
and (3) measuring the SDI value of the effluent of an ultrafiltration device in a certain desalted water station. Because the water pressure of the water produced by the ultrafiltration device is 0.1Mpa, the pressure can not meet the SDI measurement requirement, and the water produced by ultrafiltration can not be effectively measured by directly connecting the ultrafiltration water production device with the SDI measurement device. Firstly, connecting ultrafiltration produced water into a folding water barrel 1, opening a fastening knob of an SDI detector (clamping device) 7, placing an SDI diaphragm 10 into the clamping device, fixing by using the fastening knob, switching on a power supply, starting a pressure increasing water pump 2, slowly opening an SDI instrument water inlet manual ball valve 6, adjusting an SDI water inlet pressure reducing valve 5 with a pressure gauge, and controlling the pressure gauge on the SDI water inlet pressure reducing valve 5 with the pressure gauge to be 0.21 Mpa; at the moment, the SDI detector (clamping device) 7 discharges water, a measuring cylinder 8 with the volume of 500ml is used for receiving the discharged water, and after the 500ml discharged water is filled, timing is carried out (t1) and the measuring cylinder is emptied; keeping the SDI detector (clamping device) 7 to continuously discharge water, continuously using a 500ml measuring cylinder 8 to receive the discharged water after 15 minutes, and timing again after the 500ml discharged water is filled (t 2). And calculating the SDI value of the water source by using a calculation formula.
Claims (9)
1. The portable sludge density index testing device is characterized in that the testing device is integrated into a suitcase body (11), and a folding water bucket (1), a pressurizing water pump (2), a water pump power line and adapter (3), a mobile power supply (4), an SDI water inlet pressure reducing valve (5) with a pressure gauge, an SDI instrument water inlet manual ball valve (6), an SDI detector 7, a measuring cylinder (8), a connecting hose and joint (9) and an SDI membrane (10) are arranged in the suitcase body (11); during the survey, folding cask pass through attach fitting and hose and be connected with booster pump, the SDI that takes the pressure gauge relief pressure valve that intakes, SDI appearance manual ball valve, SDI detector of intaking in proper order, booster pump pass through water pump power cord and adapter and link to each other with portable power source, the graduated flask set up in SDI detector below.
2. The portable sludge density index testing device of claim 1, wherein the folding bucket is made of foldable plastic material.
3. The portable sludge density index testing device as claimed in claim 1, wherein the SDI water inlet pressure reducing valve with the pressure gauge is provided with a pressure gauge, and the range of the pressure gauge is 0-0.6 MPa, 0-1.0 MPa and 0-1.6 Mmpa; the water pressure can be adjusted to 0.21 Mpa.
4. The portable sludge density index testing device as claimed in claim 1, wherein the booster water pump is a booster water pump with a head not lower than 0.21Mpa and a flow rate not lower than 5L/min.
5. The portable sludge density index testing device as claimed in claim 1, wherein the booster water pump flow passage component is made of plastic or stainless steel corrosion-resistant material.
6. The portable sludge density index testing device as claimed in claim 1, wherein the mobile power supply is a power supply capable of providing 220V power or meeting the full-load operation of a booster water pump.
7. The portable sludge density index testing device as claimed in claim 1, wherein the suitcase body is provided with a handle on the outer part and is made of plastic or aluminum alloy, and foam is filled between the components on the inner part.
8. The portable sludge density index testing device of claim 1, wherein the joint of the connecting hose and the joint is made of plastic, copper plated nickel alloy or stainless steel.
9. The portable sludge density index testing device as claimed in claim 1, wherein the SDI membrane is a microporous filter membrane with a pore size of 0.45 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502469.6U CN211785002U (en) | 2019-12-30 | 2019-12-30 | Portable silt density index testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502469.6U CN211785002U (en) | 2019-12-30 | 2019-12-30 | Portable silt density index testing arrangement |
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| Publication Number | Publication Date |
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| CN211785002U true CN211785002U (en) | 2020-10-27 |
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| CN201922502469.6U Active CN211785002U (en) | 2019-12-30 | 2019-12-30 | Portable silt density index testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150287A (en) * | 2024-05-09 | 2024-06-07 | 合众环境(北京)股份有限公司 | Portable SDI test equipment using mobile terminal |
-
2019
- 2019-12-30 CN CN201922502469.6U patent/CN211785002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150287A (en) * | 2024-05-09 | 2024-06-07 | 合众环境(北京)股份有限公司 | Portable SDI test equipment using mobile terminal |
| CN118150287B (en) * | 2024-05-09 | 2024-07-23 | 合众环境(北京)股份有限公司 | Portable SDI test equipment using mobile terminal |
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Effective date of registration: 20230621 Address after: 300131 No. three, No. 85, Tianjin Road, Hongqiao District, China Patentee after: CNOOC TIANJIN CHEMICAL RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee after: TIANJIN ZHENGDA SCIENCE & TECHNOLOGY CO.,LTD. Patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Address before: 300131 No. three, No. 85, Tianjin Road, Hongqiao District, China Patentee before: CNOOC TIANJIN CHEMICAL RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee before: TIANJIN HAIHUA ENVIRONMENTAL ENGINEERING CO.,LTD. Patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. |
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