CN220149415U - Tunnel construction sewage treatment system with floating ash - Google Patents
Tunnel construction sewage treatment system with floating ash Download PDFInfo
- Publication number
- CN220149415U CN220149415U CN202321405877.XU CN202321405877U CN220149415U CN 220149415 U CN220149415 U CN 220149415U CN 202321405877 U CN202321405877 U CN 202321405877U CN 220149415 U CN220149415 U CN 220149415U
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- Prior art keywords
- tank
- floating ash
- communicated
- sewage
- tunnel construction
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- 239000010865 sewage Substances 0.000 title claims abstract description 79
- 238000010276 construction Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 238000005496 tempering Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 25
- 238000000926 separation method Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000005345 coagulation Methods 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 239000010802 sludge Substances 0.000 abstract description 11
- 230000003750 conditioning effect Effects 0.000 abstract description 6
- 239000002956 ash Substances 0.000 description 39
- 238000010586 diagram Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model provides a tunnel construction sewage treatment system with floating ash, and relates to the technical field of sewage treatment. The utility model comprises a tank body, wherein a sewage collecting tank, a conditioning tank and an adjusting tank are arranged in the tank body, a high-position floating ash isolation concentration device is communicated with the sewage collecting tank and the conditioning tank, the tank body comprises a concentration container with a calandria at the bottom and a water outlet pipe communicated with the conditioning tank at the side, a central guide cylinder is vertically arranged in the concentration container, a mixed flow groove communicated with the central guide cylinder is arranged at the top of the central guide cylinder, an inclined pipe sedimentation device is communicated with the adjusting tank and the sewage collecting tank, the sewage collecting tank is communicated with the mixed flow groove, and the conditioning tank is communicated with the adjusting tank. The high-position floating ash isolation concentration device can collect and flocculate the floating ash in the construction sewage to form deposited sludge, solves the problem that the floating ash on the surface of the construction sewage is difficult to treat, and avoids the floating ash from entering a subsequent sewage treatment link.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a tunnel construction sewage treatment system with floating ash.
Background
The mountain body traversed by tunnel construction has complex and changeable engineering geological conditions, so that the generated construction sewage conditions are changeable, the concentration of the construction sewage outlet suspended matters in some places is high, and the concentration of the sewage outlet suspended matters in some places is low; when crossing some coal series geological areas, some floating ashes floating on the water surface exist in the tunnel construction sewage, and the floating ashes are difficult to deposit and collect, so that the floating ashes in the construction sewage inevitably enter a subsequent sewage treatment link, and the water quality cannot be ensured after sewage treatment.
Disclosure of Invention
The utility model aims to develop a tunnel construction sewage treatment system with floating ash, which can clean the floating ash on the water surface of construction sewage and prevent the floating ash from entering a subsequent sewage treatment link.
The utility model is realized by the following technical scheme:
a tunnel construction sewage treatment system with floating ash, comprising:
the tank body is internally provided with a sewage collecting tank, a tempering tank and an adjusting tank;
high-order floating ash keeps apart enrichment facility, with sewage collection pond and quenching and tempering pond intercommunication, include:
the bottom of the concentration container is provided with a calandria, and the side of the concentration container is provided with a water outlet pipe communicated with the tempering tank;
the central guide cylinder is vertically arranged in the concentration container;
the mixing groove is arranged at the top of the central guide cylinder and is communicated with the central guide cylinder;
the inclined tube sedimentation device is communicated with the regulating tank and the sewage collecting tank;
wherein, the sewage collecting tank is communicated with the mixed flow groove, and the tempering tank is communicated with the regulating tank.
Optionally, a floating ball type skimming machine is installed at the top of the concentration container, and a liquid outlet pipe of the floating ball type skimming machine is communicated with the center guide cylinder.
Optionally, the water outlet pipe is vertically or obliquely arranged, and the lowest end of the water outlet pipe is communicated with the concentration container.
Optionally, the inclined tube sedimentation device comprises an inclined tube sedimentation tank, and a coagulation area and a mud scraper are arranged in the inclined tube sedimentation tank.
Optionally, the sewage treatment system further comprises a solid-liquid separation device, and the solid-liquid separation device is communicated with the concentration container and the tempering tank.
Optionally, the tank body, the high-position floating ash isolation concentration device, the inclined tube sedimentation device and the solid-liquid separation device are sequentially arranged.
Optionally, the sewage treatment system further comprises a dosing mechanism, wherein the dosing mechanism is communicated with the high-position floating ash isolation concentration device, the inclined tube precipitation device and the tempering tank.
Optionally, the dosing mechanism comprises PAC dosing equipment, PAM dosing equipment and pH value adjusting dosing equipment, the PAC dosing equipment and PAM dosing equipment are communicated with the mixing groove and the inclined tube precipitation device of the high-position floating ash isolation concentration device, and the pH value adjusting dosing equipment is communicated with the conditioning pond.
Optionally, the sewage collecting tank and the tempering tank are internally provided with stirrers, the tempering tank is internally provided with a pH value on-line detector, and the sewage collecting tank and the adjusting tank are internally provided with liquid level switches.
Optionally, a clean water tank is further arranged in the tank body, and the clean water tank is communicated with the inclined tube sedimentation device.
The beneficial effects of the utility model are as follows:
the utility model has compact structure, small occupied area, convenient transportation and low construction cost, the high-position floating ash isolation concentration device can collect and flocculate the floating ash in the construction sewage to form deposited sludge, the problem that the floating ash on the surface of the construction sewage is difficult to treat is solved, the floating ash is prevented from entering a subsequent sewage treatment link, the pH value of the construction sewage reaches the standard by the tempering tank, the stable water inflow and concentration of the inclined tube sedimentation device can be ensured by the regulating tank, and the treated water can be temporarily stored by the clean water tank for reuse or discharged.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a diagram of a high-level floating ash isolation concentration device;
FIG. 3 is a schematic diagram of a tube settler;
fig. 4 is a process flow diagram of the present utility model.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those skilled in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the utility model and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model discloses a tunnel construction sewage treatment system with floating ash, which comprises a tank body 100, a high-level floating ash isolation and concentration device 200, an inclined tube precipitation device 300 and a solid-liquid separation device 400 which are sequentially arranged, wherein a dosing mechanism 500 is further arranged on the side part of the high-level floating ash isolation and concentration device 200.
The sewage collecting tank 101, the tempering tank 102, the regulating tank 103 and the clean water tank 104 are sequentially arranged in the tank body 100, stirrers are arranged in the sewage collecting tank 101 and the tempering tank 102, a pH value on-line detector is arranged in the tempering tank 102, and liquid level switches are arranged in the sewage collecting tank 101 and the regulating tank 103. Four different pools are arranged in the same pool body 100, so that the structure is more compact, and the occupied area is reduced.
The high-level floating ash isolation concentration device 200 comprises a concentration container 201, a discharge pipe 206 for discharging sludge is arranged at the bottom of the concentration container 201, a central guide cylinder 203 is vertically arranged in the concentration container 201, a mixed flow groove 202 communicated with the central guide cylinder 203 is arranged at the top of the central guide cylinder 203, a water outlet pipe 205 is arranged at the upper part of the side wall of the concentration container 201, the water outlet pipe 205 is vertically or obliquely arranged, the communication part of the water outlet pipe 205 and the concentration container 201 is the lowest end of the water outlet pipe 205, and the communication part of the water outlet pipe 205 and the concentration container 201 is positioned at the lower part of the liquid level in the concentration container 201. A floating ball type skimming machine 204 is arranged at the top of the concentration container 201, a liquid outlet pipe of the floating ball type skimming machine 204 is communicated with the center guide cylinder 203, and the floating ball type skimming machine 204 conveys floating ash on the liquid surface of the concentration container 201 outside the center guide cylinder 203 into the center guide cylinder 203.
The inclined tube sedimentation device 300 comprises an inclined tube sedimentation tank 302, wherein a coagulation area 303 and a mud scraper 301 are arranged in the inclined tube sedimentation tank 302. The inclined tube sedimentation tank 302 utilizes the laminar flow principle, shortens the sedimentation distance of particles, shortens the sedimentation time, has high treatment capacity, and has simple structure, stable operation, small occupied area and less investment.
The dosing mechanism 500 comprises PAC dosing equipment 501, PAM dosing equipment 502 and pH adjusting dosing equipment 503, the PAC dosing equipment 501 and PAM dosing equipment 502 pump flocculated chemicals to the mixing tank 202 of the high-level floating ash isolation concentration device 200 and the coagulation zone 303 of the inclined tube precipitation device 300, and the pH adjusting dosing equipment 503 is used for preparing pH adjusting chemicals and delivering the prepared chemicals to the conditioning tank 102, where the pH adjusting chemicals have organic acids.
The process flow of the sewage treatment system is as shown in fig. 4, the construction sewage containing the floating ash enters the sewage collecting tank 101, the stirrer of the sewage collecting tank 101 is periodically stirred to prevent sludge from depositing at the bottom of the tank, a liquid level switch in the sewage collecting tank 101 controls a submersible sewage pump to operate, and the sewage with the floating ash is pumped into a mixing flow groove 202 of the high-level floating ash isolation concentration device 200.
PAC dosing equipment 501 and PAM dosing equipment 502 pump the flocculation reagent into mixing tank 202, and the sewage with the floating ash in mixing tank 202 and the flocculation reagent are mixed and enter into center draft tube 203 after flocculation reaction.
Most of the floating ash in the center guide cylinder 203 is intercepted at the liquid level in the center guide cylinder 203, flocculated sludge in the sewage is deposited downwards and output out of the center guide cylinder 203 and reaches the bottom of the concentration container 201, and a small part of the floating ash enters the liquid level of the concentration container 201 outside the center guide cylinder 203 along with the low-suspended-matter-concentration sewage after the sludge separation, and the low-suspended-matter-concentration sewage is discharged to the tempering tank 102 through a water outlet pipe 205.
Since the lowest end of the water outlet pipe 205 is communicated with the concentration vessel 201, and the position where the water outlet pipe 205 is communicated with the concentration vessel 201 is positioned at the lower part of the liquid level in the concentration vessel 201, the floating ash floating on the liquid level of the concentration vessel 201 outside the center guide cylinder 203 cannot flow upwards and be discharged by the water outlet pipe 205.
As the floating ash floating on the liquid surface of the concentrating container 201 outside the central guide cylinder 203 increases gradually, the floating ball type skimming machine 204 is controlled periodically according to the process requirement to pump the floating ash back into the central guide cylinder 203, and as the concentration of the floating ash in the central guide cylinder 203 increases gradually, the floating ash forms deposited sludge under the action of flocculant and is deposited to the bottom of the concentrating container 201.
The deposited sludge at the bottom of the concentration vessel 201 is discharged from the drain pipe 206 and pumped into the solid-liquid separation device 400 for solid-liquid separation, the separated sludge cake is transported and treated by a transport vehicle, and the separated clear filtrate is discharged into the tempering tank 102.
The tempering tank 102 is used for adjusting the pH value of the construction wastewater to enable the pH value of the construction wastewater to reach the discharge standard. The pH value adjusting and dosing device 503 fills the pH adjusting agent into the tempering tank 102, neutralizes the sewage in the tempering tank 102, controls the dosage of the pH adjusting agent by the pH value on-line detector in the tempering tank 102, and simultaneously, the stirrer in the tempering tank 102 stirs and mixes the sewage, and the neutralized sewage enters the adjusting tank 103.
The adjusting tank 103 is used for adjusting water quantity and balancing water quality, and ensures stable water inlet quantity and concentration of the inclined tube sedimentation device 300. The liquid level switch in the regulating tank 103 controls the submersible sewage pump to pump the neutralized sewage into the inclined tube sedimentation device 300, meanwhile, the PAC dosing device 501 and the PAM dosing device 502 pump the flocculating agent into the coagulation area 303 in the inclined tube sedimentation tank 302, the sewage with low suspended matter concentration is subjected to solid-liquid separation in the inclined tube sedimentation tank 302, the sludge generated in the separation flows back into the sewage collecting tank 101 for circulation treatment, the separated clarified water is discharged into the clean water tank 104 after reaching standards, the clean water tank 104 is used as a temporary storage tank for the treated clean water, the water in the clean water tank 104 can be discharged, and the clean water tank 104 can also be used as a water taking point for water of tunnel construction sites, tunnel sewage treatment systems and the like.
The utility model has compact structure, small occupied area, convenient transportation and low construction cost, the high-position floating ash isolation concentration device 200 can collect and flocculate the floating ash in the construction sewage to form deposited sludge, the problem that the floating ash on the surface of the construction sewage is difficult to treat is solved, the floating ash is prevented from entering a subsequent sewage treatment link, the pH value of the construction sewage reaches the standard by the tempering tank 102, the water inflow and concentration stability of the inclined tube sedimentation device 300 can be ensured by the adjusting tank 103, and the treated water can be temporarily stored by the clean water tank 104 for reuse or discharged.
The above embodiments are only preferred embodiments of the present utility model, and are not limiting to the technical solutions of the present utility model, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present utility model.
Claims (10)
1. A tunnel construction sewage treatment system with floating ash, comprising:
the tank body is internally provided with a sewage collecting tank, a tempering tank and an adjusting tank;
high-order floating ash keeps apart enrichment facility, with sewage collection pond and quenching and tempering pond intercommunication, include:
the bottom of the concentration container is provided with a calandria, and the side of the concentration container is provided with a water outlet pipe communicated with the tempering tank;
the central guide cylinder is vertically arranged in the concentration container;
the mixing groove is arranged at the top of the central guide cylinder and is communicated with the central guide cylinder;
the inclined tube sedimentation device is communicated with the regulating tank and the sewage collecting tank;
wherein, the sewage collecting tank is communicated with the mixed flow groove, and the tempering tank is communicated with the regulating tank.
2. The sewage treatment system for tunnel construction with floating ash according to claim 1, wherein a floating ball type skimming machine is installed at the top of the concentration container, and a liquid outlet pipe of the floating ball type skimming machine is led to the central guide cylinder.
3. The sewage treatment system for tunnel construction with floating ash according to claim 1, wherein the water outlet pipe is vertically or obliquely arranged, and the lowest end of the water outlet pipe is communicated with the concentration container.
4. The sewage treatment system with floating ash for tunnel construction of claim 1, wherein the inclined tube sedimentation device comprises an inclined tube sedimentation tank, and a coagulation area and a mud scraper are arranged in the inclined tube sedimentation tank.
5. The system for treating sewage for tunnel construction with floating ash according to claim 1, further comprising a solid-liquid separation device, wherein the solid-liquid separation device is communicated with the concentration vessel and the tempering tank.
6. The sewage treatment system with floating ash for tunnel construction of claim 5, wherein the tank body, the high-level floating ash isolation and concentration device, the inclined tube sedimentation device and the solid-liquid separation device are sequentially arranged.
7. The system for treating tunnel construction sewage with floating ash according to claim 1, further comprising a dosing mechanism, wherein the dosing mechanism is communicated with the high-level floating ash isolation concentration device, the inclined tube sedimentation device and the tempering tank.
8. The tunnel construction sewage treatment system with floating ash according to claim 7, wherein the dosing mechanism comprises PAC dosing equipment, PAM dosing equipment and pH adjusting dosing equipment, the PAC dosing equipment and PAM dosing equipment are communicated with a mixing tank of a high-level floating ash isolation concentration device and a pipe chute precipitation device, and the pH adjusting dosing equipment is communicated with a tempering tank.
9. The tunnel construction sewage treatment system with floating ash according to claim 1, wherein a stirrer is arranged in the sewage collection tank and the tempering tank, a pH value on-line detector is arranged in the tempering tank, and liquid level switches are arranged in the sewage collection tank and the adjusting tank.
10. The tunnel construction sewage treatment system with floating ash according to claim 1, wherein a clean water tank is further arranged in the tank body, and the clean water tank is communicated with the inclined tube sedimentation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321405877.XU CN220149415U (en) | 2023-06-05 | 2023-06-05 | Tunnel construction sewage treatment system with floating ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321405877.XU CN220149415U (en) | 2023-06-05 | 2023-06-05 | Tunnel construction sewage treatment system with floating ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149415U true CN220149415U (en) | 2023-12-08 |
Family
ID=89007751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321405877.XU Active CN220149415U (en) | 2023-06-05 | 2023-06-05 | Tunnel construction sewage treatment system with floating ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149415U (en) |
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2023
- 2023-06-05 CN CN202321405877.XU patent/CN220149415U/en active Active
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