CN215161622U - Tunnel construction waste water rapid treatment equipment - Google Patents
Tunnel construction waste water rapid treatment equipment Download PDFInfo
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- CN215161622U CN215161622U CN202023330191.8U CN202023330191U CN215161622U CN 215161622 U CN215161622 U CN 215161622U CN 202023330191 U CN202023330191 U CN 202023330191U CN 215161622 U CN215161622 U CN 215161622U
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Abstract
The utility model relates to the technical field of wastewater treatment, and discloses a rapid treatment device for tunnel construction wastewater, which comprises a dosing tank, a pipeline mixer, a dewatering cyclone tank, a screw pump and a plate-and-frame filter press which are connected in sequence; the wastewater and the dosing tank respectively convey the wastewater and the medicament to the pipeline mixer through a wastewater pipe and a dosing pipe; the pipeline mixer mixes the wastewater and the medicament and outputs the wastewater to the dehydration cyclone tank through a wastewater pipe; the primary dewatering cyclone and the secondary dewatering cyclone at the upper part of the dewatering cyclone pool sequentially treat the wastewater, clear water is discharged through a first water discharge pipe connected to the secondary dewatering cyclone, and sludge is discharged to a sludge collecting hopper at the bottom of the dewatering cyclone pool through a sludge discharge port at the bottom; the inlet end and the outlet end of the screw pump are respectively connected to a sludge collecting hopper and the plate-and-frame filter press through sludge pipes, and sludge in the sludge hopper is lifted to the plate-and-frame filter press; the plate-and-frame filter press separates the sludge into clear water and mud cakes, the clear water is discharged by the second water discharge pipe, and the mud cakes are collected by the mud collecting plate.
Description
Technical Field
The utility model relates to a waste water treatment technical field, in particular to tunnel construction waste water rapid treatment equipment.
Background
At present, tunnel construction wastewater mainly comes from water gushing generated during construction, sewage generated by mechanical equipment, dust fall water gushing after blasting, concrete spraying, grouting wastewater and the like; the generated wastewater is large in amount, thousands of or even thousands of water can be produced every day, and even if the treatment of water gushing with good water quality is not considered, the tunnel wastewater generated under other conditions can reach hundreds of parts every day.
Based on the background, the original sedimentation tank or the common coagulating sedimentation device in the prior art has large occupied area, small treatment capacity and unexpected treatment effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tunnel construction waste water rapid treatment equipment solves current effluent treatment plant handling capacity little, and the unsatisfactory problem of treatment effect.
The utility model discloses a realize through following scheme:
a rapid treatment device for tunnel construction wastewater comprises a dosing tank, a pipeline mixer, a dehydration cyclone tank, a screw pump and a plate-and-frame filter press which are sequentially connected inside;
the waste water pipe is connected to the inlet end of the pipeline mixer; the dosing box is connected to the dosing end of the pipeline mixer through a dosing pipe; the pipeline mixer receives and mixes the wastewater and the medicament and outputs the wastewater and the medicament to the dewatering cyclone tank from a wastewater pipe at the outlet end;
the upper part of the dehydration cyclone tank is provided with a primary dehydration cyclone and a secondary dehydration cyclone which are used for sequentially treating wastewater, and the bottom of the dehydration cyclone tank is provided with a mud collecting hopper; clear water generated after wastewater treatment is discharged through a first water discharge pipe connected to a secondary dehydration cyclone, and sludge generated after wastewater treatment is discharged to a sludge collecting hopper through sludge discharge ports at the bottoms of the primary dehydration cyclone and the secondary dehydration cyclone;
the inlet end of the screw pump is connected to the sludge collecting hopper, the outlet end of the screw pump is connected to the plate-and-frame filter press, and sludge in the sludge collecting hopper is lifted to the plate-and-frame filter press; the plate-and-frame filter press separates the sludge into clear water and mud cakes, the clear water is discharged by the second water discharge pipe, and the mud cakes are collected by the mud collecting plate.
Further, the device also comprises a sedimentation tank connected to the front end of the device; the bottom of the sedimentation tank is provided with a sedimentation mud bucket, and a lifting pump which is connected with a waste water pipe and lifts waste water into a pipeline mixer is arranged in the sedimentation mud bucket.
Further, the pipeline mixer is fixed on the side wall of the dewatering cyclone tank through a support.
Further, the dosing boxes comprise a PAC (programmable automation controller) medicine box and a PAM (pulse amplitude modulation) medicine box, and the PAC medicine box and the PAM medicine box are respectively lifted to the pipeline mixer through a PAC medicine pump and a PAM medicine pump arranged at the tops.
Furthermore, one side of the upper ports of the primary dewatering cyclone and the secondary dewatering cyclone is respectively provided with a water inlet groove for introducing wastewater, the top of the primary dewatering cyclone and the top of the secondary dewatering cyclone are respectively provided with an overflow port, and the lower part of the primary dewatering cyclone and the secondary dewatering cyclone is a conical sludge discharge port for discharging sludge to a sludge collecting hopper.
Further, the output end of the pipeline mixer is connected to the water inlet tank of the primary dewatering cyclone through a waste water pipe, the overflow port of the primary dewatering cyclone is connected to the water inlet tank of the secondary dewatering cyclone through a waste water pipe, and the overflow port of the secondary dewatering cyclone is connected with a first water drainage pipe.
Furthermore, the sediment hopper and the sludge collecting hopper are both arranged in a horn shape.
Furthermore, the outlet ends of the first drain pipe and the second drain pipe are both connected to a clear water collecting pipe, and clear water generated by the dewatering cyclone tank and clear water separated by the plate-and-frame filter press are collected in a centralized manner;
and the mud cakes on the mud collecting plate are collected by a transfer trolley and are transported outwards.
Further, the device also comprises a base which is connected to the bottom of the device and supports the device; four sides of the base exceed the bottom edge of the equipment.
The utility model has the advantages of it is following:
1) the pipeline mixer is arranged, the PAC medicament, the PAM medicament and the wastewater are uniformly mixed and then are directly flocculated by the pipeline mixer, the original speed reducer stirring mode is replaced, and the device has the advantages of small occupied area, no power, large mixing amount and uniform mixing;
2) the dewatering cyclone tank is provided with the two-stage cyclones to directly separate mud and water in the wastewater, the produced clear water is directly discharged, and mud and sand directly fall to the mud collecting hopper at the bottom.
3) Because the mud content of the wastewater is not high, if the wastewater is flocculated and directly enters a plate-and-frame filter press, the requirement of plate-and-frame pulling plate mud discharge cannot be met for a long time; after the sludge in the sludge collecting hopper is accumulated to the primary treatment capacity of the plate and frame filter press, the plate and frame filter press is controlled by the controller to perform intermittent filter pressing, so that the low-load operation and unnecessary continuous pressure maintaining state of the plate and frame filter press are avoided.
Drawings
FIG. 1 is a schematic view of a rapid treatment apparatus for tunnel construction wastewater;
in the figure: 1-a sedimentation tank, 2-wastewater treatment equipment, 21-a dosing tank, 211-a PAC dosing tank, 212-a PAM dosing tank, 213-a PAC medicine pump, 214-a PAM medicine pump, 22-a pipeline mixer, 23-a dehydration cyclone tank, 231-a primary dehydration cyclone, 232-a secondary dehydration cyclone, 233-a mud collecting hopper, 24-a screw pump, 25-a plate and frame filter press and 3-a base;
a waste water pipe: -FS-; a medicine feeding pipe: -JY-;
a water drainage pipe: -PS- (Mobil CO) -; clear water pipe: -QS;
sludge pipe: -WN-.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
Example 1
A rapid treatment device for tunnel construction wastewater is shown in figure 1 and comprises a dosing tank 21, a pipeline mixer 22, a dewatering cyclone tank 23, a screw pump 24 and a plate-and-frame filter press 25 which are connected in sequence; the pipeline mixer 22 is fixed on the side wall of the dewatering cyclone tank 23 through a bracket;
a waste pipe is connected to the inlet end of the pipeline mixer 22, and waste water is introduced into the pipeline mixer 22;
the medicine adding boxes 21 comprise a PAC medicine box 211 and a PAM medicine box 212, and the PAC medicine box and the PAM medicine box are respectively lifted to the medicine adding pipe by a PAC medicine pump 213 and a PAM medicine pump 214 arranged at the tops and enter the pipeline mixer 22 from the medicine inlet end;
the pipeline mixer 22 receives and mixes the wastewater and the medicament, and the wastewater and the medicament are conveyed to the dehydration cyclone tank 23 from a wastewater pipe at the outlet end;
the upper part of the dehydration cyclone tank 23 is provided with a primary dehydration cyclone 231 and a secondary dehydration cyclone 232 which are used for sequentially treating wastewater, and the bottom part is provided with a horn-shaped sludge collecting hopper 233; one side of the upper ports of the first-stage dehydration cyclone 231 and the second-stage dehydration cyclone 232 are respectively provided with a water inlet groove, the tops of the first-stage dehydration cyclone 231 and the second-stage dehydration cyclone 232 are respectively provided with an overflow port, and the lower parts of the first-stage dehydration cyclone 231 and the second-stage dehydration cyclone 232 are provided with a conical sludge discharge port; the output end of the pipeline mixer 22 is connected to the water inlet tank of the primary dewatering cyclone 231 through wastewater, the overflow port of the primary dewatering cyclone 231 is connected to the water inlet tank of the secondary dewatering cyclone 232 through a wastewater pipe, and the overflow port of the secondary dewatering cyclone 232 is connected with a first drainage pipe; clear water generated after treatment of the primary dewatering cyclone 231 and the secondary dewatering cyclone 232 is discharged through a first water discharge pipe connected to the secondary dewatering cyclone 232, and sludge generated after treatment is discharged to a sludge collecting hopper 233 through sludge discharge ports at the bottoms of the primary dewatering cyclone 231 and the secondary dewatering cyclone 232;
the inlet end of the screw pump 24 is connected to the sludge collecting hopper 233, the outlet end of the screw pump is connected to the plate-and-frame filter press 25, and sludge in the sludge collecting hopper 233 is lifted to the plate-and-frame filter press 25; the plate-and-frame filter press 25 separates the sludge into clear water and mud cakes, the clear water is discharged by the second water discharge pipe, and the mud cakes are collected by the mud collecting plate; the outlet ends of the first water discharge pipe and the second water discharge pipe are both connected to a clear water collecting pipe, and clear water generated by the dewatering cyclone tank 23 and clear water separated by the plate-and-frame filter press 25 are collected in a centralized manner; the mud cake on the mud collecting plate is collected by a transfer vehicle and transported outside.
The processing principle of the embodiment is as follows:
collecting and delivering wastewater generated by tunnel construction to the pipe mixer 22 through a wastewater pipe; meanwhile, the PAC medicine box 211 and the PAM medicine box 212 lift the PAC medicine and the PAM medicine to the line mixer 22 by the PAC medicine pump 213 and the PAM medicine pump 214, respectively, which are provided at the tops; the wastewater and the medicament are fully mixed in the pipeline mixer 22, and then enter the primary dewatering cyclone 231 to discharge larger particle impurities and silt along the silt discharge port to the silt collecting hopper 233, and then enter the secondary dewatering cyclone 232 to discharge fine particles along the silt discharge port to the silt collecting hopper 233; the treated clean water is discharged to a clean water pipe for collection through a first water discharge pipe connected with the overflow port end of the secondary dehydration cyclone 232; the sludge in the sludge collecting hopper 233 is lifted to a filter press 25 through a screw pump 24 for mud-water separation, the separated clear water is discharged to a clear water pipe along a second water discharge pipe for collection, and a sludge cake is collected by a sludge collecting plate and then collected by a transfer vehicle for outward transportation.
The beneficial effects of the embodiment are; the pipeline mixer adopts unpowered mixing to mix the PAC medicament, the PAM medicament and the tunnel wastewater, and abandons the original speed reducer stirring mode, and the mixing amount is large and the mixing is uniform; the two-stage cyclone directly separates the silt and water in the tunnel wastewater, the water is directly discharged, the silt directly falls off, and compared with a common filter, the two-stage cyclone has low energy consumption, can more quickly treat the tunnel wastewater and meet the requirement of large flow; in addition, because the mud content of the wastewater is not high, if the wastewater is flocculated and directly enters a plate-and-frame filter press, the requirement of plate-and-frame pulling plate mud discharge cannot be met for a long time; the utility model discloses behind the once handling capacity of sludge volume collection pool to plate and frame filter press in the mud collection fill, through the controller control panel frame filter press intermittent type formula filter-pressing from the area, avoided plate and frame filter press low-load operation and unnecessary to last the pressurize state.
Example 2
On the basis of embodiment 1, the front end of tunnel construction waste water rapid treatment equipment still is provided with sedimentation tank 1, and the bottom of sedimentation tank 1 is provided with tubaeform sediment bagger 11, sets up elevator pump 12 in the sediment bagger 11, and the elevator pump is connected with the inlet end that is connected to pipe mixer 22 with the waste water pipe.
The principle of the embodiment is as follows: waste water mixes the back through sedimentation tank 1 earlier, promotes to pipeline mixer 22 by elevator pump 12 again, and the dust fall after the dust fall that can make the production gush water, mechanical equipment produced during the construction gushes water, the blasting is gushed water, the waste water intensive mixing that shotcrete and slip casting produced reentrants pipeline mixer 22, be convenient for with PAC medicament, the more abundant mixture of PAM medicament.
The beneficial effect of this embodiment is: waste water from all links in the tunnel construction process is premixed through the sedimentation tank and then lifted to the pipeline mixer, so that the waste water and the flocculating agent can be mixed more fully.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (9)
1. A rapid treatment device for tunnel construction wastewater is characterized by comprising a dosing tank (21), a pipeline mixer (22), a dewatering cyclone tank (23), a screw pump (24) and a plate-and-frame filter press (25) which are sequentially connected inside;
the inlet end of the pipeline mixer (22) is connected with a waste water pipe; the dosing box (21) is connected to the dosing end of the pipeline mixer (22) through a dosing pipe; the pipeline mixer (22) receives and mixes the wastewater and the medicament and outputs the wastewater and the medicament to the dewatering cyclone pool (23) through a wastewater pipe at the outlet end;
a primary dewatering cyclone (231) and a secondary dewatering cyclone (232) for sequentially treating wastewater are arranged at the upper part of the dewatering cyclone pool (23), and a sludge collecting hopper (233) is arranged at the bottom; clear water generated after treatment is discharged through a first water discharge pipe connected to a secondary dehydration cyclone (232), and sludge generated after treatment is discharged to a sludge collecting hopper (233) through sludge discharge ports at the bottoms of the primary dehydration cyclone (231) and the secondary dehydration cyclone (232);
the inlet end of the screw pump (24) is connected to the sludge collecting hopper (233), the outlet end of the screw pump is connected to the plate-and-frame filter press (25), and sludge in the sludge collecting hopper (233) is lifted to the plate-and-frame filter press (25); the plate-and-frame filter press (25) separates the sludge into clear water and mud cakes, the clear water is discharged by the second water discharge pipe, and the mud cakes are collected by the mud collecting plate.
2. The rapid tunnel construction wastewater treatment equipment according to claim 1, further comprising a sedimentation tank (1) connected to the front end of the equipment; the bottom of sedimentation tank (1) is provided with sediment bagger (11), be provided with in sediment bagger (11) with waste water pipe connection and promote waste water to elevator pump (12) in pipeline mixer (22).
3. The apparatus for rapidly treating tunnel construction wastewater according to claim 1, wherein the pipe mixer (22) is fixed to a sidewall of the dewatering cyclone tank (23) by a bracket.
4. The apparatus for rapidly treating tunnel construction wastewater according to claim 1, wherein the dosing tank (21) comprises a PAC (211) and PAM (212) tank, which lift the PAC and PAM agents to the line mixer (22) by a PAC (213) and PAM (214) pump respectively disposed at the top.
5. The rapid tunnel construction wastewater treatment equipment according to claim 1, wherein one side of the upper ports of the primary dewatering cyclone (231) and the secondary dewatering cyclone (232) is respectively provided with a wastewater inlet tank, the top of the primary dewatering cyclone and the top of the secondary dewatering cyclone are respectively provided with an overflow port, and the lower part of the primary dewatering cyclone and the secondary dewatering cyclone are provided with a conical sludge discharge port for discharging sludge to the sludge collecting hopper (233).
6. The rapid tunnel construction wastewater treatment equipment according to claim 5, wherein the output end of the pipeline mixer (22) is connected to the water inlet tank of the primary dewatering cyclone (231) through a wastewater pipe, the overflow port of the primary dewatering cyclone (231) is connected to the water inlet tank of the secondary dewatering cyclone (232) through a wastewater pipe, and the overflow port of the secondary dewatering cyclone (232) is connected with the first drain pipe.
7. The rapid tunnel construction wastewater treatment equipment according to claim 2, wherein the settling hopper (11) and the sludge collecting hopper (233) are both arranged in a horn shape.
8. The rapid tunnel construction wastewater treatment equipment according to claim 1, wherein the outlet ends of the first and second drainage pipes are connected to a clear water collecting pipe, and clear water generated by the dewatering cyclone tank (23) and clear water separated by the plate-and-frame filter press (25) are collected in a centralized manner;
and the mud cakes on the mud collecting plate are collected by a transfer trolley and are transported outwards.
9. The rapid tunnel construction wastewater treatment equipment according to claim 1, further comprising a base (3) connected to the bottom of the equipment for supporting the equipment; four sides of the base (3) exceed the bottom edge of the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023330191.8U CN215161622U (en) | 2020-12-31 | 2020-12-31 | Tunnel construction waste water rapid treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023330191.8U CN215161622U (en) | 2020-12-31 | 2020-12-31 | Tunnel construction waste water rapid treatment equipment |
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| CN215161622U true CN215161622U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873786A (en) * | 2022-05-18 | 2022-08-09 | 南京大学环境规划设计研究院集团股份公司 | Multistage cyclone-ozone combined sewage treatment process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873786A (en) * | 2022-05-18 | 2022-08-09 | 南京大学环境规划设计研究院集团股份公司 | Multistage cyclone-ozone combined sewage treatment process |
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