CN213537676U - Sludge dewatering system for construction site - Google Patents
Sludge dewatering system for construction site Download PDFInfo
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- CN213537676U CN213537676U CN202022100523.7U CN202022100523U CN213537676U CN 213537676 U CN213537676 U CN 213537676U CN 202022100523 U CN202022100523 U CN 202022100523U CN 213537676 U CN213537676 U CN 213537676U
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- sludge
- dewatering
- dewatering system
- construction site
- bag
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Abstract
The utility model discloses a sludge dewatering system for job site, it includes the setting tank, the metal tray, the immersible pump, the sludge pump, sludge conveying pipe and at least one dehydration bag, the top of setting tank has the opening, the opening part of setting tank is equipped with the metal tray, the dehydration bag sets up on the metal tray, dehydration bag passes through sludge conveying pipe connection with the sludge pump, be equipped with ball valve and manometer on the sludge conveying pipe, the immersible pump sets up in the setting tank, a immersible pump is connected a water pipe that extends to the setting tank outside. The utility model discloses a sludge dewatering system is applicable to and carries out dehydration to the mud that the construction site produced.
Description
Technical Field
The utility model relates to a job site sludge treatment field, in particular to a sludge dewatering system for job site.
Background
Piling in a construction site produces a large amount of sludge, which is a mixture of water and soil. The water content of mud is very high, can not directly empty in public filler district, and the dehydration is accomplished through placing naturally to present conventional sludge treatment mode, but this dehydration process is very consuming time hard, and the dehydration process still receives the adverse effect of rainwater weather etc. easily moreover to further influence whole construction process. There is therefore a need for a more efficient and economical way of dewatering sludge at a construction site.
SUMMERY OF THE UTILITY MODEL
In order to effectively and economically carry out dehydration treatment on the sludge of a construction site, the utility model provides a sludge dewatering system for the construction site.
In order to handle the sludge dewatering that the construction produced, the utility model discloses a sludge dewatering system for job site includes the setting tank, the metal tray, the immersible pump, the sludge pump, mud conveyer pipe and at least one dehydration bag, the top of setting tank has the opening, the opening part of setting tank is equipped with the metal tray, the dehydration bag sets up on the metal tray, dehydration bag passes through mud duct connections with the sludge pump, be equipped with ball valve and manometer on the mud conveyer pipe, the immersible pump sets up in the setting tank, a immersible pump connection extends to the outer water pipe of setting tank.
The utility model provides a sludge dewatering system's dehydration process is that the sludge pump passes through mud conveyer pipe pump sending dehydration bag with mud. The pressure gauge displays the pressure in the dewatering bag, and when the sludge amount in the dewatering bag reaches the maximum capacity, the corresponding pressure gauge can indicate a certain pressure value. When the dewatering bag is filled with sludge, the pumping of the sludge is stopped, the ball valve is closed, then the dewatering bag is placed still overnight, the soil in the sludge naturally settles, the water in the sludge gradually permeates out of the dewatering bag and flows to the settling tank, and the soil is basically consolidated in the dewatering bag. The submersible pump pumps relatively clear water from the settling tank for reuse or other purposes. The consolidation of the sludge can be accelerated by applying mechanical compression to the dewatering bag, for example by pressing the dewatering bag with an excavator. After the sludge is consolidated, the metal tray and the dewatering bag are transferred to a public filling area by a dump truck, then the dewatering bag is cut to expose the consolidated sludge, and the soil is discarded in the public filling area.
In certain embodiments, the dewatering bag is made of split-film filament woven geotextile. The split-film yarn woven geotextile is also called woven geotextile, and is a geosynthetic material which is woven by taking polypropylene and polyethylene polypropylene flat yarn as raw materials. The flat wires have pores, so the water-permeable fabric has good water permeability. The sludge dewatering system of the embodiment selects the split-film silk woven geotextile as the preferable material of the dewatering bag, has extremely high filtration efficiency, can retain most of soil in the dewatering bag, and greatly reduces the water content in the sludge. In addition, the split-film yarn woven geotextile has the advantage of low cost.
In some embodiments, the split-film filament woven geotextile has a mass per unit area of 280-400g/m2. The mass per unit area is 280-400g/m2The split-film silk woven geotextile has proper pores, and the filtration efficiency of the split-film silk woven geotextile reaches more than 99.5 percent.
In some embodiments, there are two dewatering bags, which are stacked on a metal tray.
In some embodiments, the sludge conveying pipe is divided into two branch pipes, each branch pipe is connected with a dewatering bag, and each branch pipe is provided with a ball valve and a pressure gauge.
In some embodiments, the metal pallet comprises a frame on which the metal mesh is laid, a metal mesh and two square tubes arranged in parallel below the metal mesh and fixed with the frame.
In some embodiments, the settling tank includes a rectangular bottom and side walls defining a chamber, one end of the chamber being provided with a submersible pump.
In some embodiments, the settling tank is arranged obliquely, and the end of the settling tank provided with the submersible pump is lower than the opposite end. The water seeped from the dewatering bag flows to the end where the submersible pump is positioned, so that the submersible pump can conveniently pump out the water.
In certain embodiments, the system further comprises a sludge tank, and the sludge pump is disposed in the sludge tank. The sludge box can be used for storing sludge generated by piling.
Drawings
Fig. 1 is a schematic structural diagram of a sludge dewatering system for a construction site according to an embodiment of the present invention.
Fig. 2 is an exploded view of a sludge dewatering system for a construction site according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a settling tank of a sludge dewatering system for a construction site according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a metal tray of a sludge dewatering system for a construction site according to an embodiment of the present invention.
Description of reference numerals:
a settling tank 1; a metal tray 2; a submersible pump 3; a sludge pump 4; a sludge conveying pipe 5; a dewatering bag 6; a ball valve 7; a pressure gauge 8; a water pipe 9; a cross member 10; a bottom 11; a side wall 12; a chamber 13; a sludge tank 14; a frame 15; a metal mesh 16; a square tube 17.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to effectively dewater sludge generated in building construction, please refer to fig. 1-3, the sludge dewatering system of the present disclosure includes a settling tank 1, a metal tray 2, a submersible pump 3, a sludge pump 4, a sludge conveying pipe 5 and at least one dewatering bag 6, the top of the settling tank 1 is provided with an opening, the metal tray 2 is arranged at the opening of the settling tank 1, the dewatering bag 6 is arranged on the metal tray 2, the dewatering bag 6 is connected with the sludge pump 4 through the sludge conveying pipe 5, the sludge conveying pipe 5 is provided with a ball valve 7 and a pressure gauge 8, the submersible pump 3 is arranged in the settling tank 1, and the submersible pump 3 is connected with a water pipe 9 extending out of the settling tank 1. The metal tray 2 is placed at the opening of the settling tank 1, and the settling tank 1 supports the metal tray 2. Further, a plurality of cross beams 10 are arranged at the opening of the settling tank 1, and the cross beams 10 assist in supporting the metal tray 2.
The utility model provides a sludge dewatering system's dehydration process is that sludge pump 4 passes through mud conveyer pipe 5 pump sending to dehydration bag 6 with mud. The pressure gauge 8 displays the pressure in the dewatering bag 6, when the sludge amount in the dewatering bag 6 reaches the maximum capacity, the pressure gauge 8 indicates a certain pressure value, at the moment, the sludge pumping is stopped, the ball valve 7 is closed, then the dewatering bag 6 is placed still overnight, the water in the sludge gradually permeates out of the dewatering bag 6 and flows into the settling tank 1, and the soil is basically solidified in the dewatering bag 6. The submersible pump 3 pumps the relatively clear water in the settling tank 1 out of the settling tank 1 for reuse or other use. Consolidation of the sludge can be accelerated by applying mechanical compression to the dewatering bag 6, for example by pressing the dewatering bag 6 with an excavator. After the sludge is consolidated, the metal tray 2 and the dewatering bag 6 are transported to a public filling area by a dump truck, then the dewatering bag 6 is cut to expose the sludge, and the consolidated sludge is discarded in the public filling area.
In some embodiments, there may be one dewatering bag 6. In some embodiments, there may be two dewatering bags 6, which are stacked on the metal tray 2. Obviously, two dewatering bags 6 can increase the sludge treatment capacity of the system, but the overlapping of too many dewatering bags 6 can easily cause the dewatering bags 6 to lose stability and collapse, so that two dewatering bags 6 are more suitable. Further, the sludge conveying pipe 5 is divided into two branch pipes, each branch pipe is connected with a dewatering bag 6, and each branch pipe is provided with a ball valve 7 and a pressure gauge 8. The sludge pumped by the sludge pump 4 is divided into two branch pipes and then flows into two dewatering bags 6 respectively.
Referring to fig. 3, the settling tank 1 comprises a rectangular bottom 11 and a side wall 12, the bottom 11 and the side wall 12 define a chamber 13, and one end of the chamber 13 is provided with the submersible pump 3. Above the chamber 13, a metal tray 2 is provided. In some embodiments, the settling tank 1 is arranged obliquely, and one end of the settling tank 1 provided with the submersible pump 3 is lower than the opposite end. The water seeped out from the dewatering bag 6 flows to the end where the submersible pump 3 is positioned, so that the submersible pump 3 can conveniently pump out the water.
In some embodiments, referring to fig. 1, the sludge dewatering system further comprises a sludge tank 14, and the sludge pump 4 is disposed in the sludge tank 14. Sludge tank 14 may be used for temporary storage of sludge produced by pile driving.
In some embodiments, referring to fig. 4, the metal tray 2 comprises a frame 15, a metal mesh 16 and two square tubes 17, the metal mesh 16 being laid on the frame 15, the two square tubes 17 being arranged in parallel below the metal mesh 16 and fixed to the frame 15. The metal tray 2 is placed directly at the opening at the top of the settling tank 1 and the water seeped out from the dewatering bag 6 flows into the settling tank 1 from between the meshes of the metal mesh 16. The tube cavity of the square tube 17 is used as a fork hole of the metal tray 2, so that the metal tray 2 and the dewatering bag 6 can be conveniently loaded and unloaded and transferred by a forklift.
The dewatering bag 6 is made of split-film silk woven geotextile. The split-film yarn woven geotextile is also called woven geotextile, and is a geosynthetic material which is woven by taking polypropylene and polyethylene polypropylene flat yarn as raw materials. Pores are arranged between the warps and the wefts, so the split film yarn woven geotextile has good water permeability. The sludge dewatering system of the embodiment selects the split-film silk woven geotextile as the preferable material of the dewatering bag 6, so that the filtering efficiency is extremely high, and most of soil can be retained in the dewatering bag 6. The water content of the sludge in the dewatering bag 6 is reduced to a value that allows direct dumping to the public filling area. In addition, the split-film yarn woven geotextile has the advantage of low cost.
Further, the mass per unit area of the split-film silk woven geotextile is 280-400g/m2. The mass per unit area is 280-400g/m2The split membrane silk woven geotextile has proper pores, the filtration efficiency of the split membrane silk woven geotextile reaches more than 99.5 percent, and the water content of sludge in the dewatering bag 6 is reduced to be less than 60 percent.
Table 1 shows the results of the cost and filtration efficiency tests of the dewatering bag 6 made of the split-film filament woven geotextile. Table 2 shows the results of the soil moisture content test after the sludge filtration using the dewatering bag 6 made of split-film filament woven geotextile. The measuring method of the filtration efficiency is to measure the mud content of the sludge entering the dewatering bag 6 and the mud content of the water flowing out of the dewatering bag 6 respectively and then calculate the filtration efficiency. According to the test results, the use of dewatering bag 6 for sludge treatment is a feasible method. By using the dewatering bag 6 provided in the present embodiment as a filter medium, more than 99.5% of the soil can be separated and retained in the dewatering bag 6, and the relatively clear filtered water can be reused or used for other purposes. The dewatering bags 6 are cut to expose the consolidated sludge and then transported directly to the public filling area for disposal. In addition, it was found in the experiment that:
(1) three different mass per unit area (i.e. 280 g/m)2、340g / m2And 400g/m2) The filtration efficiency of the dewatering bag 6 of (a) is over 99.5%. Therefore, in view of cost, the mass per unit area is 280g/m2The dewatering bag 6 is sufficient for the dewatering task.
The consolidation process is intended to reduce the moisture content of the sludge in the dewatering bag 6, which can be done by letting the bag stand overnight to gradually settle or by mechanically pressing the bag (e.g. using a digger). Both methods reduce the water content of consolidated soil to similar levels, ranging from 52% to 58%.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (9)
1. The utility model provides a sludge dewatering system for job site, its characterized in that, includes setting tank, metal tray, immersible pump, sludge conveying pipe and at least one dehydration bag, the top of setting tank has the opening, the opening part of setting tank is equipped with the metal tray, the dehydration bag sets up on the metal tray, the dehydration bag with the sludge pump passes through sludge conveying union coupling, be equipped with ball valve and manometer on the sludge conveying pipe, the immersible pump sets up in the setting tank, an immersible pump connection extends to the outer water pipe of setting tank.
2. The sludge dewatering system for a construction site as claimed in claim 1, wherein the dewatering bag is made of split-film filament woven geotextile.
3. The sludge dewatering system for construction site as claimed in claim 2, wherein the split-film silk woven geotextile has a mass per unit area of 280-400g/m2。
4. The sludge dewatering system for a construction site as claimed in claim 1, wherein there are two dewatering bags, and the two dewatering bags are stacked on the metal tray.
5. The sludge dewatering system for construction sites of claim 4, wherein the sludge delivery pipe is divided into two branch pipes, each branch pipe is connected with a dewatering bag, and each branch pipe is provided with a ball valve and a pressure gauge.
6. The sludge dewatering system for a construction site according to claim 1, wherein the metal tray includes a frame on which the metal mesh is laid, a metal mesh, and two square pipes arranged in parallel below the metal mesh and fixed with the frame.
7. The sludge dewatering system for a construction site of claim 1, wherein the settling tank includes a rectangular bottom and side walls defining a chamber, one end of the chamber being provided with the submersible pump.
8. The sludge dewatering system for a construction site according to claim 1, wherein the settling tank is disposed at an inclination, and one end of the settling tank where the submersible pump is disposed is lower than the opposite end.
9. The sludge dewatering system for a construction site according to claim 1, further comprising a sludge tank, wherein the sludge pump is disposed in the sludge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022100523.7U CN213537676U (en) | 2020-09-23 | 2020-09-23 | Sludge dewatering system for construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022100523.7U CN213537676U (en) | 2020-09-23 | 2020-09-23 | Sludge dewatering system for construction site |
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| Publication Number | Publication Date |
|---|---|
| CN213537676U true CN213537676U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022100523.7U Active CN213537676U (en) | 2020-09-23 | 2020-09-23 | Sludge dewatering system for construction site |
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| CN (1) | CN213537676U (en) |
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- 2020-09-23 CN CN202022100523.7U patent/CN213537676U/en active Active
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