CN208747820U - Coal gasification grey water treatment system - Google Patents
Coal gasification grey water treatment system Download PDFInfo
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- CN208747820U CN208747820U CN201821378054.1U CN201821378054U CN208747820U CN 208747820 U CN208747820 U CN 208747820U CN 201821378054 U CN201821378054 U CN 201821378054U CN 208747820 U CN208747820 U CN 208747820U
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- water
- pipeline
- clarifying basin
- flocculant
- buck
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Abstract
The utility model discloses a kind of coal gasification grey water treatment systems, it includes the clarifying basin set gradually, demineralizer, ash water tank and cooler, the utility model has the advantage of, flocculation is successively carried out to buck goes suspended matter, softening, neutralization, suspended particle clogging gasification system or buck fouling in buck is avoided to cause cooler, gasification system blocking, the time between overhauls(TBO) is extended, the cost of overhaul is reduced, avoids production process caused by parking maintenance discontinuous;Buck after suspended matter, softening, neutralization, cooling are gone in flocculation is all back to gasification system and recycles, and gasification system only needs regular replenishment new water on a small quantity, reduces water consumption, avoids the waste of water resource;A certain amount of cooling water is delivered to clarifying basin water inlet pipe, cooling and water quality adjustment is carried out to the buck of gasification system discharge, convenient for the subsequent progress for removing suspended matter, neutralization, bating step.
Description
Technical field:
The utility model relates to waste water treatment systems, and in particular to a kind of coal gasification grey water treatment system.
Background technique:
In coal chemical technology, coal chemical industry raw material coal dust is sent into powder coal gasification furnace producing synthesis gas, coal after needing evaporation drying
Most of the condensation waste water that powder evaporative drying process generates is to drain into coal gasification waste water subsider to mix sedimentation with other waste water,
Device recycles before the primary water at top is delivered to after cooler cools down after mixed precipitation.Have in the buck of gasification system
A large amount of suspended matter, and high alkalinity, high rigidity can remove oil removal after mixed precipitation, but buck still high alkalinity, height is hard
Degree, easy fouling can be such that the basicity of buck and hardness constantly increases, accelerate scale velocity, cause cooler and coal repeatedly after circulation
The pipeline blockage of gasification system, the time between overhauls(TBO) is short, and the cost of overhaul is high, and parking maintenance also will cause the production process of gasification system
Discontinuously;In order to keep water quality relatively stable, need to maintain certain outer displacement, and be continuously replenished newly into gasification system
Water increases water consumption, causes the waste of water resource.
Utility model content:
Flocculation can be carried out to buck the purpose of this utility model is to provide one kind and goes suspended matter, neutralization, softening, avoided
Cooler and gasification system blocking, to treated, buck carries out reuse, reduces the coal gasification grey water treatment system of water consumption.
The utility model is implemented by following technical solution: coal gasification grey water treatment system comprising the clarification set gradually
Pond, demineralizer, ash water tank and cooler, the inlet of the clarifying basin are equipped with clarifying basin water inlet pipe, and the clarifying basin goes out liquid
Mouth is connect by clarifying pipeline with the inlet of the demineralizer, and the liquid outlet of the demineralizer passes through softening pipeline and the ash
The inlet of sink connects, and the liquid outlet of the ash water tank is connect by neutralizing pipeline with the inlet of the cooler, described
The liquid outlet of cooler is connect by the first cooling water pipeline with the water inlet end of gasification system water supply pipe, first cooling water
Pipeline is connected to the cooling water inlet of the clarifying basin water inlet pipe by the second cooling water pipeline, in second cooling water pipeline
It is equipped with cooling water electrically-controlled valve;
It further includes flocculant storage device and acidic materials storage device, and the liquid outlet of the flocculant storage device is logical
It crosses flocculation pipeline to connect with the flocculant entrance of the clarifying basin, flocculant electrically-controlled valve is equipped on the flocculation pipeline, in institute
It states clarification pipeline and is equipped with turbidity transducer, the turbidity transducer is connect with the automatically controlled valve signal of the flocculant;The acidity
The outlet of substance storage device is connect by neutralizing pipeline with the acidic materials entrance of the ash water tank, in described and on pipeline
Equipped with acidic materials electrically-controlled valve, pH detector, the pH detector and acidic materials electricity are equipped on the ash-water pipeline
Control valve signal connection.
Further, the flocculant inlet inside of the clarifying basin is connected with the flocculation of horizontally disposed annular by pipeline
Agent pipe, the flocculant pipe are located at the inner top of the clarifying basin, are evenly equipped with flocculant outlet in the flocculant bottom of the tube.
Further, in the cooling water inlet of the clarifying basin water inlet pipe between the water outlet of the clarifying basin water inlet pipe
The clarifying basin water inlet pipe be equipped with temperature sensor, the temperature sensor connect with the automatically controlled valve signal of the cooling water.
The advantages of the utility model: 1, it to buck successively carries out flocculation and goes suspended matter, softening, neutralization, avoid in buck
Suspended particle clogging gasification system or buck fouling cause cooler, gasification system blocking, extend the time between overhauls(TBO), reduce inspection
Accomplish this, avoids production process caused by parking maintenance discontinuous;2, after suspended matter, softening, neutralization, cooling are gone in flocculation
Buck all recycles, and gasification system only needs regular replenishment new water on a small quantity, reduces water consumption, avoids water money
The waste in source;3, a certain amount of cooling water is delivered to clarifying basin water inlet pipe, to gasification system discharge buck carry out cooling and
Water quality adjustment, convenient for the subsequent progress for removing suspended matter, neutralization, bating step.
Detailed description of the invention:
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the system connection schematic diagram of the utility model.
Clarifying basin 1, demineralizer 2, ash water tank 3, cooler 4, the first cooling water pipeline 5, the second cooling water pipeline 6 are cooling
Water electrically-controlled valve 7, flocculant storage device 8, acidic materials storage device 9, flocculant electrically-controlled valve 10, turbidity transducer 11 are acid
Substance electrically-controlled valve 12, pH detector 13, flocculant pipe 14, temperature sensor 15.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
As shown in Figure 1, coal gasification grey water treatment system comprising clarifying basin 1, demineralizer 2, the ash water tank 3 set gradually
With cooler 4, the inlet of clarifying basin 1 is equipped with clarifying basin water inlet pipe, and the liquid outlet of clarifying basin 1 passes through clarification pipeline and demineralizer
2 inlet connection, the liquid outlet of demineralizer 2 are connect by softening pipeline with the inlet of ash water tank 3, and ash water tank 3 goes out liquid
Mouth is connect by neutralizing pipeline with the inlet of cooler 4, and the liquid outlet of cooler 4 passes through the first cooling water pipeline 5 and coal gas
Change the water inlet end connection of system water supplement pipe, the cooling water inlet of the first cooling water pipeline 5 and clarifying basin water inlet pipe is cold by second
But waterpipe 6 is connected to, and cooling water electrically-controlled valve 7 is equipped on the second cooling water pipeline 6, in the cooling water inlet of clarifying basin water inlet pipe
Temperature sensor 15, temperature sensor 15 and cooling are equipped with to the clarifying basin water inlet pipe between the water outlet of clarifying basin water inlet pipe
The connection of 7 signal of water electrically-controlled valve.
It further includes flocculant storage device 8 and acidic materials storage device 9, and the liquid outlet of flocculant storage device 8 is logical
It crosses flocculation pipeline to connect with the flocculant entrance of clarifying basin 1, the flocculant inlet inside of clarifying basin 1 is connected with level by pipeline
The flocculant pipe 14 of the annular of setting, flocculant pipe 14 are located at the inner top of clarifying basin 1, are evenly equipped with wadding in 14 bottom of flocculant pipe
Solidifying agent outlet, flocculant pipe 14 can guarantee that flocculant is uniformly discharged, uniformly trickles down inside clarifying basin 1;On flocculation pipeline
Equipped with flocculant electrically-controlled valve 10, turbidity transducer 11, turbidity transducer 11 and flocculant electrically-controlled valve 10 are equipped on clarification pipeline
Signal connection;The outlet of acidic materials storage device 9 is connect by neutralizing pipeline with the acidic materials entrance of ash water tank 3, in
It is equipped with acidic materials electrically-controlled valve 12 with pipeline, pH detector 13, pH detector 13 and acidic materials are equipped on ash-water pipeline
The connection of 12 signal of electrically-controlled valve.
Working principle:
The buck being discharged from gasification system initially enters clarifying basin 1, and flocculation is discharged in the liquid outlet of flocculant storage device 8
Agent, flocculant enter flocculant pipe 14, uniformly trickle down into clarifying basin 1, are wadding a quilt with cotton from the outlet of the flocculant of 14 bottom of flocculant pipe
Under the action of solidifying agent, the suspended matter in buck condenses into bulk flocculate and is settled down to 1 bottom of clarifying basin.It is set on clarification pipeline
Have turbidity transducer 11, detect clarifying basin 1 be discharged grey water turbidity, when turbidity be more than preset value when, turbidity transducer 11 to
Flocculant electrically-controlled valve 10 sends aperture and tunes up signal, increases the additional amount of flocculant, the suspended matter in buck is enable sufficiently to coagulate
Knot.
Buck after removing suspended matter is discharged into demineralizer 2 from the liquid outlet of clarifying basin 1 and is softened, the buck after softening
Into ash water tank 3, the alkaline matter in outlet the discharge acidic materials, with buck of acidic materials storage device 9 is neutralized, to reach
To the purpose for adjusting buck pH.It is equipped with pH detector 13 on ash-water pipeline, can detecte out the buck of the discharge of ash water tank 3
PH, when pH is less than preset range, 13 oxytropism substance electrically-controlled valve 12 of pH detector sends aperture and turns signal down, when pH is greater than in advance
If when range, 13 oxytropism substance electrically-controlled valve 12 of pH detector sends aperture and tunes up signal.
The buck being discharged from ash water tank 3 enters cooler 4 and is cooled down, and buck a part after cooling is delivered to coal gasification
System is reused, and gasification system only needs regular replenishment new water on a small quantity, reduces water consumption, avoids water money
The waste in source;Another part is delivered to clarifying basin water inlet pipe to be mixed with the buck that gasification system is discharged, to coal gasification system
The buck of system discharge carries out cooling and water quality adjustment, convenient for the subsequent progress for removing suspended matter, neutralization, bating step.It recycles
Buck flocculation have been carried out go suspended matter, softening, neutralization, avoid suspended particle clogging gasification system or ash in buck
Water fouling causes cooler 4, gasification system blocking, extends the time between overhauls(TBO), reduces the cost of overhaul, parking maintenance is avoided to cause
Production process it is discontinuous.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (3)
1. coal gasification grey water treatment system, which is characterized in that it includes the clarifying basin set gradually, demineralizer, ash water tank and cold
But device, the inlet of the clarifying basin are equipped with clarifying basin water inlet pipe, the liquid outlet of the clarifying basin by clarification pipeline with it is described
The inlet of demineralizer connects, and the liquid outlet of the demineralizer is connect by softening pipeline with the inlet of the ash water tank, institute
It states the liquid outlet of ash water tank and is connect by neutralizing pipeline with the inlet of the cooler, the liquid outlet of the cooler passes through the
One cooling water pipeline is connect with the water inlet end of gasification system water supply pipe, and first cooling water pipeline and the clarifying basin are intake
The cooling water inlet of pipe is connected to by the second cooling water pipeline, and cooling water electrically-controlled valve is equipped on second cooling water pipeline;
It further includes flocculant storage device and acidic materials storage device, and the liquid outlet of the flocculant storage device passes through wadding
Solidifying pipeline is connect with the flocculant entrance of the clarifying basin, flocculant electrically-controlled valve is equipped on the flocculation pipeline, described clear
Pigging road is equipped with turbidity transducer, and the turbidity transducer is connect with the automatically controlled valve signal of the flocculant;The acidic materials
The outlet of storage device is connect by neutralizing pipeline with the acidic materials entrance of the ash water tank, is equipped in described on pipeline
Acidic materials electrically-controlled valve is equipped with pH detector, the pH detector and the acidic materials electrically-controlled valve on the ash-water pipeline
Signal connection.
2. coal gasification grey water treatment system according to claim 1, which is characterized in that the flocculant entrance of the clarifying basin
Inside is connected with the flocculant pipe of horizontally disposed annular by pipeline, and the flocculant pipe is located at the interior top of the clarifying basin
Portion is evenly equipped with flocculant outlet in the flocculant bottom of the tube.
3. coal gasification grey water treatment system according to claim 1, which is characterized in that in the cold of the clarifying basin water inlet pipe
But water inlet to the clarifying basin water inlet pipe between the water outlet of the clarifying basin water inlet pipe is equipped with temperature sensor, described
Temperature sensor is connect with the automatically controlled valve signal of the cooling water.
Priority Applications (1)
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CN201821378054.1U CN208747820U (en) | 2018-08-24 | 2018-08-24 | Coal gasification grey water treatment system |
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CN201821378054.1U CN208747820U (en) | 2018-08-24 | 2018-08-24 | Coal gasification grey water treatment system |
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CN208747820U true CN208747820U (en) | 2019-04-16 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111777248A (en) * | 2020-06-28 | 2020-10-16 | 宁夏神耀科技有限责任公司 | Coal gasification water system on-line analysis and monitoring intelligent system based on cloud |
CN114315039A (en) * | 2021-12-31 | 2022-04-12 | 鄂尔多斯市昊华国泰化工有限公司 | High salt effluent disposal system |
-
2018
- 2018-08-24 CN CN201821378054.1U patent/CN208747820U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111777248A (en) * | 2020-06-28 | 2020-10-16 | 宁夏神耀科技有限责任公司 | Coal gasification water system on-line analysis and monitoring intelligent system based on cloud |
CN114315039A (en) * | 2021-12-31 | 2022-04-12 | 鄂尔多斯市昊华国泰化工有限公司 | High salt effluent disposal system |
CN114315039B (en) * | 2021-12-31 | 2023-07-21 | 鄂尔多斯市昊华国泰化工有限公司 | High-salt wastewater treatment system |
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