CN220300599U - Treatment device for sludge generated by thermal desorption process - Google Patents
Treatment device for sludge generated by thermal desorption process Download PDFInfo
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- CN220300599U CN220300599U CN202321855504.2U CN202321855504U CN220300599U CN 220300599 U CN220300599 U CN 220300599U CN 202321855504 U CN202321855504 U CN 202321855504U CN 220300599 U CN220300599 U CN 220300599U
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- tank
- oil
- filtrate
- water
- feeding
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- 239000010802 sludge Substances 0.000 title claims abstract description 39
- 238000003795 desorption Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000706 filtrate Substances 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 20
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007791 liquid phase Substances 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 6
- 239000007790 solid phase Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model provides a device for treating sludge generated by a thermal desorption process, which solves the problems that the separation effect of oil-containing sludge is poor and recycling of available resources cannot be achieved in the prior art; the filtrate collecting tank is connected with a filtrate separating tank, and a filtrate conveying pipe is connected between the filtrate collecting tank and the filtrate separating tank; the filtrate separating tank is connected with an oil-water separating tank, and an oil-water conveying pipe is connected between the filtrate separating tank and the oil-water separating tank; the bottom of the filtrate separating tank and the bottom of the oil-water separating tank are connected with a drain pipe, the side wall of the oil-water separating tank is connected with an oil drain pipe, and the bottom of the filtrate separating tank is connected with a water inlet pipe. The device has good separation effect on the thermal desorption process sludge, is convenient for the separate treatment of the solid phase and the liquid phase in the later period, and improves the recovery rate of the available resources in the thermal desorption process sludge.
Description
Technical Field
The utility model relates to the technical field of solid waste treatment, in particular to a treatment device for sludge generated by a thermal desorption process.
Background
The thermal desorption process is a mature technology for treating oil-based mud, and usually adopts a spray cooling mode to remove dust, moisture and organic pollutants with lower liquefaction temperature in desorption gas, but water, dust and light oil separated from the desorption gas form a large amount of sludge in equipment, so that the water recycling rate is low, and available resources in the sludge can not be recovered.
In the prior art, most of the treatment of the oil-containing sludge is carried out by filtering through a filter screen, and the oil-containing sludge is singly discharged after solid-liquid separation, so that not only is the separation effect poor, but also the separated sludge has high water content, and the separated liquid is an oil-water mixed phase, so that the purpose of recycling the available resources can not be achieved.
The utility model provides a device for treating sludge generated by a thermal desorption process, which aims to solve the problems that the separation effect of oil-containing sludge is poor and the recycling of available resources cannot be achieved in the prior art.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a device for treating sludge generated by a thermal desorption process, so as to solve the problems in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the device for treating the sludge generated by the thermal desorption process comprises a feeding tank, wherein the top of the feeding tank is connected with a feeding pipe, the feeding tank is connected with a filter press, a feeding pump pipeline is connected between the feeding tank and the filter press, and a feeding pump is connected to the feeding pipeline;
the filter press is connected with a filtrate collecting tank and a mud cake collecting tank, and a filtrate collecting pipe is connected between the bottom of the filter press and the top of the filtrate collecting tank;
the filtrate collecting tank is connected with a filtrate separating tank, a filtrate conveying pipe is connected between the filtrate collecting tank and the filtrate separating tank, and a filtrate conveying pump is arranged on the filtrate conveying pipe;
the filtrate separating tank is connected with an oil-water separating tank, and an oil-water conveying pipe is connected between the side wall of the filtrate separating tank and the top of the oil-water separating tank;
the bottom of filtrate knockout drum and oil-water knockout drum is connected with same drain pipe jointly, install the drain pump on the drain pipe, be connected with oil drain pipe on the lateral wall of oil-water knockout drum, install the oil drain pump on the oil drain pipe, the bottom of filtrate knockout drum is connected with the inlet tube.
Preferably, the bottom of the feeding tank is conical, one end of the feeding pipeline is arranged at the bottom of the feeding tank, and the other end of the feeding pipeline is arranged at the top of the filter press.
Preferably, a stirrer is rotatably installed inside the feeding tank.
Preferably, the stirrer comprises a stirring rod rotatably arranged in the middle of the feeding tank, an anchor stirrer is fixedly arranged at the bottom of the stirring rod, and a stirring auger is fixedly arranged at the outer side of the stirring rod.
Preferably, a supporting rod is fixedly arranged on the outer side face of the stirring rod, and a scraping plate attached to the inner wall of the feeding tank is fixedly arranged at the other end of the supporting rod.
Preferably, the liquid level transmitter and the audible-visual annunciator are arranged in the feeding tank, the filtrate collecting tank, the filtrate separating tank and the oil-water separating tank, and the oil-water interface instrument is arranged in the filtrate separating tank and the oil-water separating tank.
Preferably, a heating coil is arranged in the oil-water separation tank.
Preferably, the drain pipe is connected with a water tank, and the oil drain pipe is connected with an oil tank.
The beneficial effects of the utility model are as follows:
1. the method has good separation effect on the sludge of the thermal desorption process, and is convenient for the separate treatment of the solid phase and the liquid phase in the later stage: the sludge inside the feeding tank is pumped into the filter press through the feeding pipeline, the sludge is pressurized and filtered in the filter press to complete solid-liquid separation, the solid phase separated by extrusion and filtration of the filter press can fall into the mud cake collecting tank from the bottom of the filter press to be stored in the filter cake collecting tank, and the separated liquid phase is temporarily stored in the filtrate collecting tank by flowing into the filtrate collecting tank through the filtrate collecting pipe, and the temporarily stored liquid phase in the filtrate collecting tank can be pumped into the filtrate separating tank to be subjected to oil-water layering treatment.
2. The recovery rate of available resources in the sludge of the thermal desorption process is improved: the drain pipe can be used for temporarily storing the water liquid at the lower layer inside the filtrate separating tank in the water tank, and can be reused in the main equipment of the thermal desorption process, the oil drain pipe is connected with an oil tank, and the oil in the oil tank can be reused in other places, so that the purpose of recycling the available resources is achieved.
3. The instrument is adopted to reduce the labor and leakage risk, the medicine adding is not needed, and the production cost is reduced.
Drawings
FIG. 1 is a block diagram of the structure of the present utility model.
FIG. 2 is a schematic diagram of the structure of the feed tank and the agitator of the present utility model.
FIG. 3 is a perspective view showing the structure of the filtrate separating tank and the oil-water separating tank.
In the figure: 1. feeding tank; 01. a feeding pipe; 2. a filter press; 3. a feed pump conduit; 4. a feed pump; 5. a filtrate collection tank; 6. a mud cake collection tank; 7. a filtrate collecting pipe; 8. a filtrate separation tank; 9. a filtrate conveying pipe; 10. a filtrate transfer pump; 11. an oil-water separation tank; 12. an oil-water conveying pipe; 13. a drain pipe; 14. a draining pump; 15. an oil drain pipe; 16. a discharge pump; 17. a stirrer; 18. a stirring rod; 19. an anchor stirrer; 20. stirring the auger; 21. a support rod; 22. a scraper; 23. a liquid level transmitter; 24. an audible and visual alarm; 25. an oil-water interface instrument; 26. a heating coil; 27. a water inlet pipe; 28. a water tank; 29. and an oil tank.
Detailed Description
With respect to the foregoing and other technical aspects, features and advantages of the present utility model, it will be apparent to those skilled in the art from the following detailed description of the embodiments, taken in conjunction with the accompanying drawings 1-3, wherein it is to be understood that the embodiments are merely illustrative of the principles of the present utility model and not in limitation of the scope of the utility model, and the following examples refer to the accompanying drawings.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
The first embodiment of the utility model is a treatment device for sludge produced by a thermal desorption process, comprising a feeding tank 1, wherein the top of the feeding tank 1 is connected with a feeding pipe 01, the feeding pipe 01 is connected with equipment for producing sludge, the sludge can be discharged into the feeding tank 1 from the feeding pipe 01 and uniformly stirred in the feeding tank, the feeding tank 1 is connected with a filter press 2, the filter press 2 can adopt a common open flow type hydraulic filter press in the prior art, the filter press 2 has good filtering effect under the pressure of 0.6MPa, a feeding pump pipeline 3 is connected between the feeding tank 1 and the filter press 2, a feeding pump 4 is connected to the feeding pipeline 3, the feeding pump 4 is connected with a power supply and a controller, the sludge in the feeding tank 1 can be pumped into the filter press 2 through the feeding pipeline 3 by the controller, and the sludge is pressurized and filtered in the filter press 2 to complete solid-liquid separation;
the filter press 2 is connected with a filtrate collecting tank 5 and a mud cake collecting tank 6, a filtrate collecting pipe 7 is connected between the bottom of the filter press 2 and the top of the filtrate collecting tank 5, solid phase separated by extrusion and filtration of the filter press 2 can fall into the mud cake collecting tank 6 from the bottom of the filter press 2 for storage, and separated liquid phase flows into the filtrate collecting tank 5 from the filtrate collecting pipe 7 for temporary storage;
the filtrate collection tank 5 is connected with a filtrate separation tank 8, a filtrate conveying pipe 9 is connected between the filtrate collection tank 5 and the filtrate separation tank 8, a filtrate conveying pump 10 is arranged on the filtrate conveying pipe 9, and when the liquid phase in the filtrate collection tank 5 reaches a certain liquid level, the controller starts the filtrate conveying pump 10, so that the temporarily stored liquid phase in the filtrate collection tank 5 is pumped into the filtrate separation tank 8 through the filtrate conveying pipe 9 for oil-water layering treatment;
the filtrate separating tank 8 is connected with an oil-water separating tank 11, an oil-water conveying pipe 12 is connected between the side wall of the filtrate separating tank 8 and the top of the oil-water separating tank 11, a control valve is arranged on the oil-water conveying pipe 12, and after oil-water layering, oil liquid on the upper layer can flow to the inside of the oil-water separating tank 11 through the oil-water conveying pipe 12 for storage and layering again;
the bottom of the filtrate separating tank 8 and the bottom of the oil-water separating tank 11 are connected together with the same drain pipe 13, a drain pump 14 is arranged on the drain pipe 13, the controller starts the drain pump 14 to pump out residual water in the filtrate separating tank 8 and water in the lower layer after re-layering in the oil-water separating tank 11 through the drain pipe 13, an oil drain pipe 15 is connected to the side wall of the oil-water separating tank 11, an oil drain pump 16 is arranged on the oil drain pipe 15, and the controller starts the oil drain pump 16 to pump out finally separated oil through the oil drain pipe 15;
because the oil-water conveying pipe 12 is fixedly arranged on the side wall of the filtrate separating tank 8, when the oil-water interface is detected to be lower than an oil conveying pipeline, a control valve can be opened so that the oil liquid on the upper layer can directly flow from the oil-water conveying pipe 12 to the inside of the oil-water separating tank 11; if the oil-water interface is higher than the oil delivery pipe, the water liquid in the filtrate separating tank 8 can be discharged by a certain liquid level through the drain pipe 13 at this time, so that after the oil-water interface reaches a position lower than the oil delivery pipe, the control valve is opened, so that the oil in the upper layer flows from the oil-water delivery pipe 12 to the oil-water separating tank 11, and the height adjustment of the oil-water interface in the oil-water separating tank 11 is the same as the operation;
the bottom of filtrate knockout drum 8 is connected with inlet tube 27, and inlet tube 27 is connected with the water pump, and when the height of oil-water interface was lower than oil water conveyer pipe 12, the inside water supply of filtrate knockout drum 8 was earlier passed through inlet tube 27 to this moment for the oil-water interface stops when rising slightly to being less than oil water conveyer pipe 12, can open the control valve at this moment and carry out the discharge of fluid by oil water conveyer pipe 12.
In the second embodiment, on the basis of the first embodiment, the bottom of the feeding tank 1 is tapered, one end of the feeding pipe 3 is installed at the bottom of the feeding tank 1, and the other end is installed at the top of the filter press 2, so that sludge deposition can be reduced, and the labor capacity and safety risk of tank cleaning operation are reduced.
In the third embodiment, on the basis of the second embodiment, the stirrer 17 is rotatably installed in the feeding tank 1, and the sludge is stirred by the stirrer 17, so that the homogenizing effect is improved.
On the basis of the fourth embodiment, the stirrer 17 comprises a stirring rod 18 rotatably installed in the middle of the feeding tank 1, the stirring rod 18 is connected with a stirring motor installed on the feeding tank 1, an anchor stirrer 19 is fixedly installed at the bottom of the stirring rod 18, the stirring rod 18 can drive the anchor stirrer 19 to rotate in the feeding tank 1 to stir sludge, a stirring auger 20 is fixedly installed at the outer side of the stirring rod 17, the stirring rod 18 can drive the stirring auger 20 to rotate, and the stirring auger 20 can turn sludge in the feeding tank 1 when rotating.
In the fifth embodiment, on the basis of the fourth embodiment, a supporting rod 21 is fixedly installed on the outer side surface of the stirring rod 18, a scraper 22 attached to the inner wall of the feeding tank 1 is fixedly installed at the other end of the supporting rod 21, the stirring rod 18 drives the supporting rod 21 and the scraper 22 to move circumferentially inside the feeding tank 1 when rotating, and the scraper 22 can scrape the sludge adhered to the inner wall of the feeding tank 1, so that the sludge is uniformly stirred.
In the sixth embodiment, on the basis of the first embodiment, the liquid level transmitter 23 and the audible and visual alarm 24 are installed in the feeding tank 1, the filtrate collecting tank 5, the filtrate separating tank 8 and the oil-water separating tank 11, and the liquid level transmitter 23 is installed in the feeding tank 1, so that a worker can observe the liquid level in the feeding tank 1 on site and in a control room, and the audible and visual alarm 24 is installed on site, and when the liquid level in the feeding tank 1 reaches a set height, an audible and visual alarm can be sent out, so that a tank overflowing event is avoided;
the filtrate collecting tank is provided with a liquid level transmitter 23 and an audible and visual alarm 24, and a filtrate conveying pump 10 is controlled by a double-floating ball liquid level switch, and under an automatic control mode, the filtrate collecting tank can be automatically started and stopped according to the preset high and low liquid levels, so that the accidents of tank overflow or pump burning are avoided;
an oil-water interface instrument 25 is arranged in the filtrate separating tank 8 and the oil-water separating tank 11, and can detect the interface height of the oil-water separated layers in the filtrate separating tank.
In a seventh embodiment, based on the first embodiment, a heating coil 26 is installed in the oil-water separation tank 11, so as to further purify the oil naturally separated in the oil-water separation tank 11.
In the eighth embodiment, based on the first embodiment, the water tank 28 is connected to the water drain pipe 13, the water drain pipe 13 can drain the water solution at the lower layer in the filtrate separation tank 8 into the water tank 28 for temporary storage, and can make the water solution recycled in the main equipment of the thermal desorption process, the oil drain pipe 15 is connected with the oil tank 29, and the oil in the oil tank 29 can be recycled in other places, so as to achieve the purpose of recycling the available resources.
Claims (8)
1. The device for treating sludge generated by a thermal desorption process comprises a feeding tank (1), wherein the top of the feeding tank (1) is connected with a feeding pipe (01), and is characterized in that the feeding tank (1) is connected with a filter press (2), a feeding pump pipeline (3) is connected between the feeding tank (1) and the filter press (2), and a feeding pump (4) is connected to the feeding pump pipeline (3);
the filter press (2) is connected with a filtrate collecting tank (5) and a mud cake collecting tank (6), and a filtrate collecting pipe (7) is connected between the bottom of the filter press (2) and the top of the filtrate collecting tank (5);
the device is characterized in that the filtrate collecting tank (5) is connected with a filtrate separating tank (8), a filtrate conveying pipe (9) is connected between the filtrate collecting tank (5) and the filtrate separating tank (8), and a filtrate conveying pump (10) is arranged on the filtrate conveying pipe (9);
the filtrate separating tank (8) is connected with an oil-water separating tank (11), and an oil-water conveying pipe (12) is connected between the side wall of the filtrate separating tank (8) and the top of the oil-water separating tank (11);
the utility model discloses a filter, including filtrate knockout drum (8), oil water knockout drum (11), drain pipe (13), drain pump (14) are installed on drain pipe (13), be connected with oil drain pipe (15) on the lateral wall of oil water knockout drum (11), install oil drain pump (16) on oil drain pipe (15), the bottom of filtrate knockout drum (8) is connected with inlet tube (27).
2. The device for treating sludge produced by a thermal desorption process according to claim 1, wherein the bottom of the feeding tank (1) is conical, one end of the feeding pump pipeline (3) is arranged at the bottom of the feeding tank (1), and the other end is arranged at the top of the filter press (2).
3. A device for treating sludge produced by a thermal desorption process according to claim 2, wherein the inside of the feeding tank (1) is rotatably provided with a stirrer (17).
4. A device for treating sludge produced by a thermal desorption process according to claim 3, wherein the stirrer (17) comprises a stirring rod (18) rotatably installed in the middle of the feeding tank (1), an anchor stirrer (19) is fixedly installed at the bottom of the stirring rod (18), and a stirring auger (20) is fixedly installed at the outer side of the stirring rod (18).
5. The device for treating sludge produced by a thermal desorption process according to claim 4, wherein a supporting rod (21) is fixedly arranged on the outer side surface of the stirring rod (18), and a scraping plate (22) attached to the inner wall of the feeding tank (1) is fixedly arranged at the other end of the supporting rod (21).
6. The device for treating sludge generated by a thermal desorption process according to claim 1, wherein a liquid level transmitter (23) and an audible and visual alarm (24) are arranged in the feeding tank (1), the filtrate collecting tank (5), the filtrate separating tank (8) and the oil-water separating tank (11), and an oil-water interface instrument (25) is arranged in the filtrate separating tank (8) and the oil-water separating tank (11).
7. The device for treating sludge produced by a thermal desorption process according to claim 1, wherein a heating coil (26) is installed inside the oil-water separation tank (11).
8. A device for treating sludge produced by a thermal desorption process according to claim 1, wherein the water discharge pipe (13) is connected with a water tank (28), and the oil discharge pipe (15) is connected with an oil tank (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855504.2U CN220300599U (en) | 2023-07-14 | 2023-07-14 | Treatment device for sludge generated by thermal desorption process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855504.2U CN220300599U (en) | 2023-07-14 | 2023-07-14 | Treatment device for sludge generated by thermal desorption process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220300599U true CN220300599U (en) | 2024-01-05 |
Family
ID=89353073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321855504.2U Active CN220300599U (en) | 2023-07-14 | 2023-07-14 | Treatment device for sludge generated by thermal desorption process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220300599U (en) |
-
2023
- 2023-07-14 CN CN202321855504.2U patent/CN220300599U/en active Active
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