CN202898155U - Gas condensate water treatment device - Google Patents
Gas condensate water treatment device Download PDFInfo
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- CN202898155U CN202898155U CN 201220587314 CN201220587314U CN202898155U CN 202898155 U CN202898155 U CN 202898155U CN 201220587314 CN201220587314 CN 201220587314 CN 201220587314 U CN201220587314 U CN 201220587314U CN 202898155 U CN202898155 U CN 202898155U
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Abstract
The utility model relates to a gas condensate water treatment device which comprises a phenol water tank, a filtering device, a receiver drum, an evaporator and a gas furnace, wherein gas condensate water flowing out of the phenol water tank is subjected to oil-water separation in an oil-water separation device; an oxidant is added into the gas condensate water subjected to oil-water separation, and then the gas condensate water is subjected to secondary precipitation in the phenol water tank; the gas condensate water subjected to secondary precipitation is filtered through the filtering device, and then a preservative is added to the gas condensate water; and the gas condensate water with the preservative is mixed in a mixer and then is discharged through a pipeline. According to the gas condensate water treatment device, the additional value of the gas condensate water increases, the service life of the gas condensate water is prolonged, the pollution is alleviated, the environment is protected, and water resources are saved.
Description
Technical field
The utility model relates to a kind of industrial waste water disposal device, specifically, relates to a kind of gas condensed water treatment unit.
Background technology
China is to the protection pay attention to day by day of environment, and especially to the pollution of water, country has dropped into a large amount of funds and administered.Coal is a kind of irreplaceable energy in China, and not only reserves are large, and quality is also high.China for protection of the environment, economize on resources, prohibited a coal and burnt as direct fuel.Country advocates the technique of development gas maked coal energetically, with coal-gas producer coal is carried out a series of redox reactions, makes coal become gas by solid and acts as a fuel, and namely said coal gas has been widely used in all trades and professions.
The sewage of gas production process mainly contains two portions: the one, and wash water not only contains a large amount of COD in this kind sewage, also contain a large amount of pyrolysis fuel oils, and harmful chemical substance; The 2nd, gas condensed water, this kind COD of sewage is less, but contains phenol and other harmful materials in this kind sewage, severe toxicity is arranged, and very strong corrodibility is arranged, and environment has been caused very large destruction, and this sewage allows to efflux anything but.These two kinds of water are to recycle after mixing in the past, but are forced to efflux after reaching finite concentration, or adopt burning method to process.Adopting burning method is to utilize by-product tar, light oil in coal gas and the production process to act as a fuel, the condition of high temperature wherein objectionable impurities phenol carry out cracking, decompose and produce CO
2And H
2O.This will consume a large amount of coal gas, increases enterprise cost, and most of enterprise need not.In these years, some enterprise also attempted the method for many water treatments, as: settling process, By Bubble-floating Method, medical method etc., but effect is undesirable.
In recent years, because the sewage handling problem in the gas station has brought not little challenge to the development of gas maked coal industry, domestic many producers are for head it off now, by original direct contact cooling, change indirect cooling in the purification process of coal gas, this is a much progress.The station occurs every in this condensation sewage can produce 5 tons/day, and this is a no small number, and how taking full advantage of water resources is a difficult problem, and especially this sewage has severe toxicity, must not efflux.
Therefore we propose this sewage is vaporized as the vaporized chemical in the gas maked coal process, and it is taken full advantage of.But in use find to have very strong corrodibility.In two sections producer gas stations, gas condensed water has been carried out a large amount of test and studies, in indirect process for cooling, during 1 ton of coal of gasification, there is approximately 80-150 kilogram water of condensation to separate out pH=7-8.5, the main chemical substance that wherein contains is: phenol 〉=8000 mg/litre, oxide compound: 20 mg/litre, sulfide: the 200-300 mg/litre, vitriol and bisulfate: 8000 mg/ rise the content of COD at 30000ppm.
Will repair once in vaporizer normal operation 2-4 month, it not only affects production, and maintenance cost is also very large, causes and loses more than gain.
The utility model content
For above-mentioned deficiency of the prior art, the utility model provides a kind of environmental contamination reduction, improves added value of product, the gas condensed water treatment unit in extension device work-ing life.
Technical solution adopted in the utility model is:
A kind of gas condensed water treatment unit comprises phenol water tank, filtration unit, plenum chamber, vaporizer and gas furnace, and the gas condensed water that the phenol water tank flows out carries out oily water separation in oily-water seperating equipment; Through adding in the gas condensed water of oily water separation behind the oxygenant in the secondary sedimentation of phenol water tank; Gas condensed water after the secondary sedimentation adds sanitas after filtering through described filtration unit; After mixing in mixing tank, the gas condensed water of interpolation sanitas discharges by pipeline.Described oily-water seperating equipment is comprised of support, transmission mechanism, rotary drum, catch tray, fluid inlet; The oil-containing gas condensed water is injected the rotary drum of high speed rotating by the bottom liquid inlet mouth, rotary drum drives with rotor blade and makes the powerful centrifugal force of the rear formation of oil-water mixture rotation, the existence because of its density difference under the effect of centrifugal force of its profit separates, the water of separating enters water-collecting tray through the rotary drum passage, discharge from water-collecting tray, the oil of separating enters save oil pan through the rotary drum passage, discharges from save oil pan, the minority large particulate matter sinks to the rotatory drum wall bottom, discharges from sewage draining exit.
Described mixing tank is comprised of supporting leg, blowdown tank, cylindrical shell, water-in, water outlet and mixing device; Gas condensed water enters passage between mixing device and cylindrical shell from the mix cylinder water-in, makes liquid produce rotation by this passage, and gas condensed water is in the channel flow of continuous varied cross section; The liquid portion that mixes is discharged through the water outlet of mixing tank and is entered next procedure.
The beneficial effect of the relative prior art of the utility model:
The utility model gas condensed water treatment unit has increased added value of product and has prolonged product work-ing life, has reduced pollution, has protected environment, has saved simultaneously water resources.
Description of drawings
Fig. 1 is the utility model gas condensed water treatment unit oily-water seperating equipment structural representation;
Fig. 2 is the utility model gas condensed water treatment unit mixer structure synoptic diagram;
Fig. 3 is the utility model gas condensed water treatment unit gas condensed water treatment process figure.
Major parts nomenclature in the accompanying drawing:
Among the figure:
1, cylindrical shell 2, blowdown tank
3, supporting leg 4, water-in
5, sewage draining exit 6, water outlet
7, transmission mechanism 8, catch tray
9, rotary drum 10, fluid inlet
11, support 12, mixing device.
Embodiment
Referring to drawings and Examples the utility model is described in detail:
Accompanying drawing 1 to 3 as can be known, a kind of gas condensed water treatment unit comprises phenol water tank, filtration unit, plenum chamber, vaporizer and gas furnace, the gas condensed water that the phenol water tank flows out carries out oily water separation in oily-water seperating equipment; Through adding in the gas condensed water of oily water separation behind the oxygenant in the secondary sedimentation of phenol water tank; Gas condensed water after the secondary sedimentation adds sanitas after filtering through described filtration unit; After mixing in mixing tank, the gas condensed water of interpolation sanitas discharges by pipeline.
Oily-water seperating equipment is comprised of support 11, transmission mechanism 7, rotary drum 9, catch tray 8, fluid inlet 10; The oil-containing gas condensed water is injected the rotary drum 9 of high speed rotating by bottom liquid inlet mouth 10, rotary drum 9 drives with rotor blade and makes the powerful centrifugal force of the rear formation of oil-water mixture rotation, the existence because of its density difference under the effect of centrifugal force of its profit separates, the water of separating enters water-collecting tray 8 through the rotary drum passage, discharge from water-collecting tray, the oil of separating enters save oil pan through the rotary drum passage, discharges from save oil pan, the minority large particulate matter sinks to the rotatory drum wall bottom, discharges from sewage draining exit.
The rotating speed of the rotary drum of described oily-water seperating equipment is 8000-10000 rev/min.
The height of the rotary drum intra vane of described oily-water seperating equipment is 600 millimeters.
The diameter of the feed liquor oral pore of described oily-water seperating equipment is 3 millimeters-4 millimeters of diameters.
Described sanitas is oxygenant and inhibiter.
Described oxygenant is for being potassium permanganate, hydrogen peroxide.
Described inhibiter is the mixture of vulkacit H and zinc sulfate, and mass percent is that proportioning is: vulkacit H 30%, zinc sulfate 10%, water 60%.
Mixing tank is comprised of supporting leg 3, blowdown tank 2, cylindrical shell 1, water-in 4, water outlet 6 and mixing device 12; Gas condensed water enters passage between mixing device 12 and cylindrical shell from mix cylinder 1 water-in 4, makes liquid produce rotation by this passage, and gas condensed water is in the channel flow of continuous varied cross section; The liquid portion that mixes is discharged through the water outlet 6 of mixing tank and is entered next procedure.
The utility model gas condensed water treatment unit has increased added value of product and has prolonged product work-ing life, has reduced pollution, has protected environment, has saved simultaneously water resources.
The utility model gas condensed water treatment unit characteristics:
1. increase oily-water seperating equipment, the oil in not only can recycle-water increases added value and gas condensed water is further purified.
Oily-water seperating equipment, this separator is on the basis of original medicine company separating machine, redesigns for the character of this oily(waste)water to form, and mainly improves as follows: the rotating speed of rotary drum is by original 12000 rev/mins, be adjusted into 8000-10000 rev/min, regulate according to oil content of wastewater; Height to the rotary drum intra vane redesigns, and changes 600 millimeters into by original 800 millimeters; The feed liquor oral pore is redesigned, by 6 millimeters of original diameters, change 3 millimeters of diameters into to 4 millimeters, regulate according to oil content of wastewater.
Its principle is the difference with its proportion, separates under the effect of centrifugal force, and its formation mainly is comprised of support, transmission mechanism, rotary drum, catch tray, fluid inlet.Oily(waste)water is injected the rotary drum of high speed rotating by the bottom liquid inlet mouth, rotary drum drives with rotor blade and makes the powerful centrifugal force of the rear formation of oil-water mixture rotation, the existence because of its density difference under the effect of centrifugal force of its profit separates, the water of separating enters water-collecting tray through the rotary drum passage, discharge from water-collecting tray, the oil of separating enters save oil pan through the rotary drum passage, discharges from save oil pan, the minority large particulate matter sinks to the rotatory drum wall bottom, discharges from sewage draining exit.Its advantage: oil can be separated from water, and separation rate is 99%.Increase to greatest extent added value of product, cut the waste.Improve the purity of waste water, improve heat transfer efficiency, be beneficial to vaporization.
2. add a kind of chemical agent by the water of condensation after separation, reduce its corrodibility and increase the service life.
This gas condensed water not only has severe toxicity but also iron and steel is also had very strong corrodibility.From our vaporization effect, can vaporize fully.Although can vaporize, how solving its corrodibility is a difficult problem.Also be a difficult problem at home at present, directly restricting the development of gas maked coal, my company has carried out a large amount of experiments to this, and through repetition test, demonstration has been carried out a series of analysis and test to its hazardous and noxious substances, has obtained by experiment good effect.
This chemical agent mainly is divided into two portions:
First part is oxygenant, and composition is potassium permanganate, hydrogen peroxide.Main Function is the part organic ion in the oxidized waste water, as: Cl
-, NH
+Reduce the part organic ion in the waste water, prevent from forming bronsted lowry acids and bases bronsted lowry, and then reduce it to the corrodibility of equipment.
Second section is inhibiter, and this kind inhibiter is developed on half working condition experimenting basis, temporarily called after KW-HSG1#.Composition is vulkacit H and zinc sulfate (ZnSO
4).Proportioning is: vulkacit H 30%, zinc sulfate 10%, water 60%.This kind inhibiter can play a protective role to vaporising device, slows down this sewage to the corrosion of equipment, thereby protects to greatest extent equipment.
3. increase mixing tank, mixing tank forms (seeing accompanying drawing 2 for details) by supporting leg, blowdown tank, cylindrical shell, mixing device.Liquid enters passage between mixing device and cylindrical shell from the mix cylinder water-in, make liquid produce rotation by this passage, because channel cross-section constantly changes, the continuous collisional mixing passage of liquid two side produces the different current of direction and mixes to reach chemical agent and to dispose of sewage, through mixing device liquid is fully mixed again, the liquid portion that mixes is discharged through the water outlet of mixing tank and is entered next procedure, and chemical agent is discharged by sewage draining exit after settler runs up to some amount with the throw out that mixes rear generation of disposing of sewage.By the mixing of mixing tank, make chemical agent and the objectionable impurities accelerated reaction of disposing of sewage, and reach the purpose that reduces its toxicity.
The effect of this mixing tank makes chemical agent mix fully and reaction with sewage, makes its effect that reduces corrosion perform to maximum.
4. the increase heating unit with its vaporization, is vaporized for furnace bottom.
This heating unit can carry out according to user's self-condition supportingly, also will substitute with treated boiler, and its Main Function is carrying out heating and gasifying through the waste water of processing, the furnace bottom of the producer use of gasifying that can give gas of this kind steam.
This technique has not only increased to greatest extent added value of product but also has prolonged product work-ing life, makes extend to 2-5 by 2-4 month servicing time, has also protected environment simultaneously.Application in present this technology is the progress of a technical leap property.
Claims (2)
1. a gas condensed water treatment unit comprises phenol water tank, filtration unit, plenum chamber, vaporizer and gas furnace, it is characterized in that: the gas condensed water that the phenol water tank flows out carries out oily water separation in oily-water seperating equipment; Through adding in the gas condensed water of oily water separation behind the oxygenant in the secondary sedimentation of phenol water tank; Gas condensed water after the secondary sedimentation adds sanitas after filtering through described filtration unit; After mixing in mixing tank, the gas condensed water of interpolation sanitas discharges by pipeline; Described oily-water seperating equipment is comprised of support, transmission mechanism, rotary drum, catch tray, fluid inlet; The oil-containing gas condensed water is injected the rotary drum of high speed rotating by the bottom liquid inlet mouth, rotary drum drives with rotor blade and makes the powerful centrifugal force of the rear formation of oil-water mixture rotation, the existence because of its density difference under the effect of centrifugal force of its profit separates, the water of separating enters water-collecting tray through the rotary drum passage, discharge from water-collecting tray, the oil of separating enters save oil pan through the rotary drum passage, discharges from save oil pan, the minority large particulate matter sinks to the rotatory drum wall bottom, discharges from sewage draining exit.
2. described gas condensed water treatment unit according to claim 1, it is characterized in that: described mixing tank is comprised of supporting leg, blowdown tank, cylindrical shell, water-in, water outlet and mixing device; Gas condensed water enters passage between mixing device and cylindrical shell from the mix cylinder water-in, makes liquid produce rotation by this passage, and gas condensed water is in the channel flow of continuous varied cross section; The liquid portion that mixes is discharged through the water outlet of mixing tank and is entered next procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220587314 CN202898155U (en) | 2012-11-09 | 2012-11-09 | Gas condensate water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220587314 CN202898155U (en) | 2012-11-09 | 2012-11-09 | Gas condensate water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202898155U true CN202898155U (en) | 2013-04-24 |
Family
ID=48118848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220587314 Expired - Lifetime CN202898155U (en) | 2012-11-09 | 2012-11-09 | Gas condensate water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202898155U (en) |
-
2012
- 2012-11-09 CN CN 201220587314 patent/CN202898155U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |