CN216426925U - Efficient cast tube concrete slurry effluent disposal system - Google Patents

Abstract

The utility model discloses an efficient cast tube concrete mud effluent disposal system, including preliminary treatment whirl degritting system, mechanical stirring medicine system, mud-water separation system, preliminary treatment whirl degritting system includes whirl degritting machine and bars sediment outward transportation processing apparatus, mechanical stirring medicine system is including the equalizing basin that catchments, coagulation reaction pond, flocculation reaction tank that connect gradually, mud-water separation system includes depositing reservoir, PH equalizing basin and centrifugal dehydrator, whirl degritting machine's the outlet pipe and the inlet tube intercommunication of catchment equalizing basin, flocculation reaction tank's the outlet pipe passes through the inlet tube intercommunication of equalizing basin elevator pump and depositing reservoir, the beneficial effects of the utility model are that: the system effectively separates mud and water in the wastewater, recovers the sludge in the wastewater and then discharges the sludge, reduces the pollution of sewage discharge to the environment, and has the advantages of simple structure, stability, reliability and convenient operation and maintenance.

Description

Efficient cast tube concrete slurry effluent disposal system

Technical Field

The utility model relates to a waste water treatment technical field especially relates to an efficient cast tube concrete slurry effluent disposal system.

Background

The cast tube industry is a large industry of the casting industry in China. The yield of cast tubes in China is about 150 million tons every year, and approximately accounts for 1/8-1/7 of the national casting yield. The cast pipe is widely applied to water and gas transmission departments, is an indispensable product for basic implementation, and plays a significant role in national citizens. However, when the cast pipe is produced, a large amount of waste water is generated, particularly when the cast pipe with the lining concrete is produced, a large amount of water is needed to flush the concrete in the production process, and 5-10% of concrete waste water slurry waste water is generated. The waste water contains a large amount of cement mortar, hydraulic sand cleaning and a small amount of lubricating oil, the alkalinity and suspension concentration in the waste water are high, and the waste water is directly discharged without being treated, so that the water environment is seriously influenced.

The existing sewage system has the following problems: (1) the treatment process flow is long, the operation failure rate is high, the operation and maintenance are complicated, and the impact load resistance is low; (2) the automatic operation can not be realized, the management is complex, the sludge-water separation treatment effect is poor, the operation cost is high, and the like.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough, the utility model provides an efficient cast tube concrete mud effluent disposal system, this system separate the muddy water in the waste water effectively, discharge after retrieving mud in the waste water again, reduce sewage discharge to the pollution of environment, simple structure, reliable and stable, operation easy maintenance, shock-resistant load performance is strong, adopts automatic control system, realizes automatic operation, and the working costs is lower.

The utility model discloses a realize through following technical scheme: the utility model provides an efficient cast tube concrete mud effluent disposal system which characterized in that: including preliminary treatment whirl degritting system, mechanical stirring charge system, mud-water separation system, preliminary treatment whirl degritting system includes whirl degritting machine and bars sediment outward transport processing apparatus, mechanical stirring charge system includes the catchment equalizing basin, the reaction tank that congeals, the flocculation reaction tank that connects gradually, mud-water separation system includes depositing reservoir, PH equalizing basin and centrifugal dehydrator, the outlet pipe of whirl degritting machine and the inlet tube intercommunication of catchment equalizing basin, the bottom of whirl degritting machine is connected bars sediment outward transport processing apparatus, the outlet pipe of flocculation reaction tank passes through the equalizing basin elevator pump and is communicated with the inlet tube of depositing reservoir, the outlet pipe of depositing reservoir and the inlet tube intercommunication of PH equalizing basin, the bottom of depositing reservoir is through mud pump and centrifugal dehydrator, catchment equalizing basin intercommunication, a part of the mud of depositing reservoir gets into catchment equalizing basin, and the other part of sludge enters a centrifugal dehydrator, filtrate separated by the centrifugal dehydrator enters a water collecting adjusting tank, and filtrate sludge separated by the centrifugal dehydrator enters a grid slag outward transportation treatment device.

As an optimized technical scheme of the utility model, the bottom of whirl degritting machine is equipped with shaftless spiral conveyer.

As an optimized technical proposal of the utility model, the bottom of the water collecting adjusting tank is provided with a submersible mixer.

As an optimized technical proposal of the utility model, the PH adjusting tank is communicated with an acidic substance feeding device.

As an optimized technical proposal of the utility model, a mechanical stirring device is arranged in the clarification tank.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the system sequentially passes the slurry wastewater through a pretreatment cyclone desanding system, a mechanical stirring dosing system and a mud-water separation system, the cyclone desander pretreats the slurry wastewater to remove sludge in the wastewater, then the sludge is coagulated, reacted and precipitated through the mechanical stirring dosing system to remove suspended particles in the wastewater, and finally the sludge and the water are further separated in the mud-water separation system, so that the sludge and the water in the wastewater can be thoroughly separated, the wastewater purification effect is good, the problems of high suspended matter concentration and high alkalinity of the cast-in-pipe concrete slurry wastewater and lubricating oil contained in the wastewater are effectively solved, and the environmental pollution is reduced;

(2) the system adopts an automatic control system, realizes automatic operation, has high treatment effect and lower operation cost, returns part of sludge precipitated in the clarification tank to the water collection regulating tank, recycles the medicament in the sludge, improves the medicament use amount and reduces the operation cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in figure 1, an efficient cast-in-pipe concrete slurry wastewater treatment system comprises a pretreatment cyclone desanding system, a mechanical stirring dosing system and a mud-water separation system, wherein the pretreatment cyclone desanding system comprises a cyclone desander and a grid slag outward transportation treatment device, the mechanical stirring dosing system comprises a water collection regulating reservoir, a coagulation reaction reservoir and a flocculation reaction reservoir which are sequentially connected, the mud-water separation system comprises a clarification tank, a PH regulating reservoir and a centrifugal dehydrator, a water outlet pipe of the cyclone desanding machine is communicated with a water inlet pipe of the water collection regulating reservoir, the bottom of the cyclone desanding machine is connected with the grid slag outward transportation treatment device, a water outlet pipe of the flocculation reaction reservoir is communicated with a water inlet pipe of the clarification tank through a regulating reservoir lifting pump, a water outlet pipe of the clarification tank is communicated with a water inlet pipe of the PH regulating reservoir, the bottom of the clarification tank is communicated with the centrifugal dehydrator and the water collection regulating reservoir through a sludge discharge pump, one part of sludge of the clarification tank enters the water collecting adjusting tank, the other part of sludge enters the centrifugal dehydrator, filtrate separated by the centrifugal dehydrator enters the water collecting adjusting tank, and the filtrate sludge separated by the centrifugal dehydrator enters the grid slag outward transportation treatment device.

As an embodiment of the utility model, the bottom of whirl degritting machine is equipped with shaftless spiral conveyer, and shaftless spiral conveyer discharges the large granule silt particle that deposits.

As an embodiment of the utility model, the bottom of the equalizing basin that catchments is equipped with the dive mixer, and the dive mixer can prevent the silt deposit.

As an embodiment of the utility model, the PH equalizing basin is communicated with an acidic substance feeding device. The acidic substances can remove COD, ammonia nitrogen and other substances in the water.

As an embodiment of the utility model, be equipped with mechanical stirring device in the depositing reservoir, the active sludge layer of suspension state increases granule collision chance with the raw water that adds the medicine under mechanical stirring's effect, improves the effect of coagulating.

The utility model discloses an operating process, mud waste water gets into whirl degritting machine, whirl degritting machine utilizes centrifugal separation's principle to carry out the degritting processing to mud waste water, mud waste water makes helical motion in whirl degritting machine's barrel, tangential direction forms oblique decurrent surrounding fluid around the barrel, rivers are rotating and are advancing downwards, after rivers reach cone certain position, and then upwards rotate along the barrel axle center, discharge into the collecting adjustment tank through the outlet pipe at last, the miscellaneous dirt in the mud waste water is under fluid inertial centrifugal force and self gravity, fall into equipment lower part toper sediment fill along the cone wall in whirl degritting machine, through shaftless screw conveyer with deposit in the internal large granule silt discharge bars sediment outward transportation processing apparatus of cone, the bottom is equipped with dive mixer in the collecting adjustment tank, prevent the silt siltation, the sewage that comes out from the collecting adjustment tank loops through the coagulation reaction pond after, The flocculation reaction tank, coagulant and flocculating agent and the granule in the sewage combine, form large granule material and precipitate, later in the sewage passes through the equalizing basin elevator pump and gets into the depositing reservoir, deposit, clear water after the separation rises to the top, get into the PH equalizing basin through the water catch bowl, react with acidic material each other, get rid of material such as COD, ammonia nitrogen in the aquatic, clear water that reaches emission standard discharges outward, clear water not up to standard recycles through the retrieval and utilization water pump, the mud sediment partly of depositing in the depositing reservoir flows back to the water collecting equalizing basin, the medicament in the mud sediment is recycled, improve the medicament use amount, reduce the running cost.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an efficient cast tube concrete mud effluent disposal system which characterized in that: including preliminary treatment whirl degritting system, mechanical stirring charge system, mud-water separation system, preliminary treatment whirl degritting system includes whirl degritting machine and bars sediment outward transport processing apparatus, mechanical stirring charge system includes the catchment equalizing basin, the reaction tank that congeals, the flocculation reaction tank that connects gradually, mud-water separation system includes depositing reservoir, PH equalizing basin and centrifugal dehydrator, the outlet pipe of whirl degritting machine and the inlet tube intercommunication of catchment equalizing basin, the bottom of whirl degritting machine is connected bars sediment outward transport processing apparatus, the outlet pipe of flocculation reaction tank passes through the equalizing basin elevator pump and is communicated with the inlet tube of depositing reservoir, the outlet pipe of depositing reservoir and the inlet tube intercommunication of PH equalizing basin, the bottom of depositing reservoir is through mud pump and centrifugal dehydrator, catchment equalizing basin intercommunication, a part of the mud of depositing reservoir gets into catchment equalizing basin, and the other part of sludge enters a centrifugal dehydrator, filtrate separated by the centrifugal dehydrator enters a water collecting adjusting tank, and filtrate sludge separated by the centrifugal dehydrator enters a grid slag outward transportation treatment device.

2. The efficient cast in-pipe concrete slurry wastewater treatment system according to claim 1, wherein: and a shaftless spiral conveyor is arranged at the bottom of the cyclone sand remover.

3. The efficient cast in-pipe concrete slurry wastewater treatment system according to claim 1, wherein: and a submersible stirrer is arranged at the bottom of the water collecting adjusting tank.

4. The efficient cast in-pipe concrete slurry wastewater treatment system according to claim 1, wherein: the pH adjusting tank is communicated with an acidic substance adding device.

5. The efficient cast in-pipe concrete slurry wastewater treatment system according to claim 1, wherein: and a mechanical stirring device is arranged in the clarification tank.

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