CN103539215A - Sewage treatment system and process - Google Patents
Sewage treatment system and process Download PDFInfo
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- CN103539215A CN103539215A CN201310461047.3A CN201310461047A CN103539215A CN 103539215 A CN103539215 A CN 103539215A CN 201310461047 A CN201310461047 A CN 201310461047A CN 103539215 A CN103539215 A CN 103539215A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a sewage treatment system which comprises a dust remover, a water mist device, a sealing chamber, a waste heat recoverer, a first condenser, an air heat exchanger, a starting heater and a fan, wherein the water mist device is communicated with a sewage source; the sealing chamber is sealed and partitioned into an evaporation cavity as well as an air inlet cavity and an air return cavity which are communicated with the evaporation cavity; a water mist nozzle of the water mist device is arranged at the evaporation cavity; the dust remover; the waste heat recoverer and the first condenser are sequentially arranged at the air inlet cavity; a heat exchange medium cavity of the first condenser is communicated with a sewage pipeline of the water mist device; a heat exchange pipe of the waste heat recoverer penetrates through the air inlet cavity for communicating the air return cavity with the evaporation cavity; the air heat exchanger is used for communicating the air inlet cavity with the air return cavity; the starting heater is arranged at the evaporation cavity and used for hating water mist in the evaporation cavity when the sewage treatment system is started; the fan is arranged at the sealing chamber and used for driving gas to flow. After the sewage treatment system is started, the water mist is heated into a heat source of higher-temperature wet air through absorbing heat energy in the air, and the energy consumption of sewage treatment can be reduced. The invention also discloses a sewage treatment process.
Description
Technical field
The present invention relates to technical field of sewage, more specifically, relate to a kind of Sewage treatment systems and technique.
Background technology
In recent years, along with scientific and technological development and social progress, environmental problem was increasingly serious.Wherein, sewage pollution problem is in numerous environmental problems, to compare stubborn problem.The mode of sewage disposal generally includes Physical, chemical method, biological process etc.Yet in the last few years, adopt method of evaporation to sewage disposal owing to there being its original advantage in application aspect, and be more and more subject to people's favor.The principle that method of evaporation is processed sewage is: evaporation sewage, dirty water pollutant is by mummification, then to the comparatively high temps wet air dedusting obtaining after evaporation and remove objectionable impurities, finally realizes the processing of sewage.
We know, the heat that the liquid rotating of unit mass absorbs while becoming synthermal steam is called the latent heat of vaporization, are called for short vaporization heat.Generally, make water be five times in the water of equivalent is heated to 100 ℃ of heats that consume from 1 ℃ at the complete needed heat of its boiling point evaporation.Visible, adopt method of evaporation to dispose of sewage, will consume very many heat energy, finally cause sewage disposal energy consumption high.
In order to address the above problem, in the sewage water treatment method that Chinese patent CN1207462 records, sewage is ejected with the form of water smoke, then to water smoke heating evaporation, because being easy to evaporation, water smoke can make heat be fully utilized, and then required heat energy in reduction evaporative process, finally can reduce energy consumption.But in this process, for example still need, by the special preheating of thermal source (electrically heated), thereby provide sewage water smoke to evaporate needed heat energy by heat source continuously.This mode of disposing of sewage shifts to an earlier date preheating to air from start to finish, still needs to consume very many heat energy.The energy consumption of this sewage treatmentmethod does not obviously reduce.
Summary of the invention
The object of this invention is to provide a kind of Sewage treatment systems, so that the sewage water treatment method providing in the background technology higher problem that consumes energy to be provided in sewage treatment process.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
Sewage treatment systems, the water smoke device that comprises fly-ash separator and be communicated with source of sewage, described Sewage treatment systems also comprises:
Sealing chamber, described sealing chamber sealed separation is evaporation cavity and the air-inlet cavity being communicated with described evaporation cavity and return air chamber, the waterfog head of described water smoke device is arranged at described evaporation cavity;
Waste-heat recoverer and the first condenser, described fly-ash separator, waste-heat recoverer and the first condenser are set in turn in described air-inlet cavity, and the heat transferring medium chamber of described the first condenser is connected with the sewer line of described water smoke device, the heat transfer tube of described waste-heat recoverer is through described air-inlet cavity, to be communicated with described return air chamber and described evaporation cavity;
Air heat exchanger, is communicated with described air-inlet cavity and described return air chamber;
Start well heater, be arranged at described evaporation cavity, while starting for described Sewage treatment systems, the water smoke in described evaporation cavity is heated;
Blower fan, is arranged at described sealing chamber, for driving gas, flows.
Preferably, in above-mentioned Sewage treatment systems, also comprise air-energy water-heater, the freezing end of described air-energy water-heater is arranged at described air-inlet cavity as the second condenser, and the radiating end of described air-energy water-heater is arranged at described return air chamber as thermal source.
Preferably, in above-mentioned Sewage treatment systems, described the second condenser is arranged between described the first condenser and described air heat exchanger.
Preferably, in above-mentioned Sewage treatment systems, described blower fan is arranged between described air heat exchanger and the radiating end of described air-energy water-heater.
Preferably, in above-mentioned Sewage treatment systems, on the inlet channel that described water smoke device is connected with source of sewage, be provided with filtration unit.
Preferably, in above-mentioned Sewage treatment systems, described water smoke device comprises high pressure plunger pump, energy storage, pressure regulator valve and the described waterfog head connecting successively, and described high pressure plunger pump, energy storage and pressure regulator valve are arranged between described filtration unit and described waterfog head.
Preferably, in above-mentioned Sewage treatment systems, described waterfog head is arranged on the position exporting near described return air chamber in described evaporation cavity.
Preferably, in above-mentioned Sewage treatment systems, also comprise the active carbon adsorber being arranged between described fly-ash separator and described waste-heat recoverer.
Based on the above-mentioned Sewage treatment systems providing, the present invention also provides a kind of sewage treatment process, and this technique comprises the following steps:
Sewage atomization is processed, obtained water smoke;
By comparatively high temps dry air, to described water smoke heating evaporation, obtain comparatively high temps wet air;
To comparatively high temps wet air successively dedusting, obnoxious flavour absorption;
Condensation, through the comparatively high temps wet air of adsorption treatment, obtains lesser temps dry air and water of condensation;
By lesser temps dry air and atmosphere heat exchange, make it to become described comparatively high temps dry air.
Preferably, in above-mentioned sewage treatment process, condensation, through the comparatively high temps wet air of adsorption treatment, specifically realizes by multiple condensation.
Sewage treatment systems working process provided by the invention is as follows: sewage enters into after water smoke device by being arranged on the waterfog head ejection water smoke of evaporation cavity, start well heater when whole Sewage treatment systems starts the air in heating evaporation chamber to realize the heating evaporation to water smoke.Water smoke is evaporated into after comparatively high temps wet air, pollutent is precipitated formation dust, along with comparatively high temps wet air enters into air-inlet cavity, by fly-ash separator dedusting, because comparatively high temps wet air has higher temperature, by waste-heat recoverer heat exchange, realize the wet air of comparatively high temps to the air heating through waste-heat recoverer, realize energy recovery utilization, after waste-heat recoverer, comparatively high temps wet air temperature decreases, again through the first condenser condenses, the temperature of comparatively high temps wet air further reduces the heat that the first condenser absorbs simultaneously and heats the sewage that enters waterfog head, moisture is discharged from by further condensation formation water of condensation simultaneously, so far comparatively high temps wet air becomes lesser temps dry air, and then enter into air heat exchanger and atmosphere heat exchange.Air after heat exchange reenters in evaporation cavity as the comparatively high temps dry air that heats water smoke after waste-heat recoverer heating, and then start next sewage disposal circulation, in whole treating processes, blower fan provides power for gas flow, starting well heater can close air heating during to design temperature, gas in whole Sewage treatment systems circulates in sealed environment, and usings air as energy derive, has realized the evaporation to water smoke.
By above-mentioned working process, can draw, in the working process of Sewage treatment systems provided by the invention after startup, adopt air as the energy source of sewage disposal, by absorbing airborne heat energy as water smoke being heated into the calorie source of comparatively high temps wet air, than needing from start to finish of providing in background technology adopt special thermal source to air heating to realize the evaporation of water smoke, the Sewage treatment systems that the embodiment of the present invention provides is more energy-conservation, can reduce the energy consumption of sewage treatment process.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of the Sewage treatment systems that provides of the embodiment of the present invention;
Fig. 2 is the another kind of structural representation of the Sewage treatment systems that provides of the embodiment of the present invention;
Fig. 3 is another structural representation of the Sewage treatment systems that provides of the embodiment of the present invention;
Fig. 4 is the schematic flow sheet of the sewage treatment process that provides of the embodiment of the present invention.
In above-mentioned Fig. 1-Fig. 3, solid arrow represents air flow line in air-inlet cavity C, and dotted arrow represents air flow line in the B of return air chamber.
Embodiment
The Sewage treatment systems that the embodiment of the present invention provides, has reduced the energy consumption of the sewage water treatment method described in background technology in sewage treatment process.
In order to make those skilled in the art person understand better the technical scheme in the embodiment of the present invention, and the above-mentioned purpose of the embodiment of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is described in further detail.
Please refer to accompanying drawing 1, the figure shows a kind of structure of the Sewage treatment systems that the embodiment of the present invention provides.The Sewage treatment systems that the embodiment of the present invention provides, comprises the water smoke device, sealing chamber 20, fly-ash separator 17, waste-heat recoverer 15, the first condenser 9, air heat exchanger 12, startup well heater and the blower fan 13 that are communicated with source of sewage.
Water smoke device is for the treatment of sewage, to become tiny atomizing droplet.Water smoke device is communicated with source of sewage, generally on the inlet channel of water smoke device, is provided with water pump (example Piping Centrifugal Pumps 2 as shown in Figure 3) to realize the conveying of sewage.Source of sewage can be sewage lagoon, also can for the Water Tank 1(that is specifically designed to storage sewage as shown in Figure 3), water pump is extracted sewage to be sent to atomization water smoke device out from source of sewage in the course of the work.
Fly-ash separator 17, waste-heat recoverer 15 and the first condenser 9 are set in turn in air-inlet cavity C, the heat transfer tube of waste-heat recoverer 15 is through air-inlet cavity C, to be communicated with return air chamber B and evaporation cavity A, the first condenser 9 is set in turn in air-inlet cavity C, and the heat transferring medium chamber of the first condenser 9 is connected with the sewer line of water smoke device, for heating the sewage that enters into waterfog head 18.Sewage becomes water smoke after water smoke device is processed, in evaporation cavity A, after the heating of comparatively high temps dry air, formed comparatively high temps wet air, comparatively high temps wet air enters into air-inlet cavity C, successively by fly-ash separator 17 dedustings, through the air heat-exchange in waste-heat recoverer 15 and waste-heat recoverer 15, after heat exchange, enter into the first condenser 9 condensations, the water of condensation generating after condensation is drained in condensation pond 21 by water shoot, finally realizes sewage disposal again.
The Sewage treatment systems that the embodiment of the present invention provides, working process is as follows:
Sewage enters into after water smoke device by being arranged on the waterfog head 18 ejection water smokes of evaporation cavity A, start well heater when whole Sewage treatment systems starts the gas in the A of heating evaporation chamber to realize the heating evaporation to water smoke.Water smoke is evaporated into after comparatively high temps wet air, pollutent is precipitated formation dust, along with comparatively high temps wet air enters into air-inlet cavity C, by fly-ash separator 17 dedustings, because comparatively high temps wet air has higher temperature, by waste-heat recoverer 15 heat exchange, realize comparatively high temps wet air to the gas heating through waste-heat recoverer 15, realize energy recovery utilization, comparatively high temps wet air temperature through waste-heat recoverer 15 decreases, again through the first condenser 9 condensations, the temperature of comparatively high temps wet air further reduces, and moisture is wherein discharged from by further condensation formation water of condensation, so far comparatively high temps wet air becomes lesser temps dry air, and then enter into air heat exchanger 12 and atmosphere heat exchange, air after heat exchange reenters in evaporation cavity A as the comparatively high temps dry air that heats water smoke after waste-heat recoverer 15 heating, and then start next sewage disposal circulation, in whole treating processes, blower fan 13 provides power for gas flow, starting well heater can close air heating during to design temperature, gas in whole waste disposal plant circulates in sealed environment, and using air as energy derive, the evaporation of realization to water smoke.
By above-mentioned working process, can draw, in the working process of the Sewage treatment systems that the embodiment of the present invention provides after startup, adopt air as the energy source of sewage disposal, by absorbing airborne heat energy as water smoke being heated into the calorie source of comparatively high temps wet air, than needing from start to finish of providing in background technology adopt special thermal source (such as electric heater etc.) to air heating to realize the evaporation of water smoke, obviously, the Sewage treatment systems that the embodiment of the present invention provides is more energy-conservation, can reduce the energy consumption of sewage treatment process.
In the process of condensation comparatively high temps wet air, in order to realize more thorough to comparatively high temps wet air condensation, to reach the abundant recovery of water of condensation, in the Sewage treatment systems that the embodiment of the present invention provides, adopt multi-stage condensing device to implement condensation.Certainly, in order to realize condensation effect, the condensation ability of every grade of condenser is different.Concrete, please refer to accompanying drawing 2, the Sewage treatment systems that the embodiment of the present invention provides also comprises air-energy water-heater 11, and the freezing end of air-energy water-heater 11 is arranged in air-inlet cavity C as the second condenser 10, and the radiating end 14 of air-energy water-heater 11 is arranged in the B of return air chamber as thermal source.In this technical scheme, freezing end by air-energy water-heater 11 is as the second condenser 10 condensations, because the freezing end temperature of air-energy water-heater 11 is lower, can be further to the condensation of gas through the first condenser 9, and then raising condenser efficiency, make gas through the second condenser 10 in the process with air heat exchanger 12 heat exchange, absorb the energy that more energy is usingd as heating water smoke, in addition, after the heat absorption that the radiating end 14 of air-energy water-heater 11 absorbs freezing end in the B of return air chamber to air heating, can improve the temperature of the comparatively high temps dry air of carrying by return air chamber B, and then can improve water smoke heating efficiency.
We know, sewage is divided into many types because its production process is different, for example, in some sewage, particulate matter is more, chemical substance poisonous in some sewage is more, need to consider the impact of sewage on equipment obviously when processing these sewage, and the impact on environment after sewage disposal.In some sewage, particulate matter is more, and these sewage directly enter into water smoke device meeting damage equipment afterwards, for head it off, on the inlet channel that in the Sewage treatment systems that the embodiment of the present invention provides, water smoke device is connected with source of sewage, are provided with filtration unit.Concrete, filtration unit can adopt all kinds, and the embodiment of the present invention is not restricted the type of filtration unit.Certainly, filtration unit can adopt single-stage filtration unit, also can adopt Multistage filtering device.Please refer to accompanying drawing 3, the filtration unit in the Sewage treatment systems that the embodiment of the present invention provides comprises that the sand-bed filter 3(filtering distributing successively to water smoke device direction is greater than the suspended substance of 50 μ m particle diameters) and core consider the suspended substance that device 4(filtering is greater than 20 μ m particle diameters).Certainly, also can adopt NF(nanofiltration) or RO(reverse osmosis) equipment implements embrane method to sewage and filter.
As a same reason, for the sewage that has harmful chemical, after water smoke is evaporated in evaporation cavity A, suspended substance in sewage is separated out by mummification, also can produce gasified harmful substance matter (for example ammonia) thereupon, if do not process these gasified harmful substance matter, in the process of condensation, these gasified harmful substance matter are discharged from can being added to water of condensation so, finally still pollute the environment.For head it off, the Sewage treatment systems providing in the embodiment of the present invention also comprises the active carbon adsorber 16 being arranged between fly-ash separator 17 and waste-heat recoverer 15, can adsorb the gasified harmful substance matter being present in comparatively high temps wet air.In above-mentioned preferred version, active carbon adsorber 16 is selected to be arranged between fly-ash separator 17 and waste-heat recoverer 15, except realizing the basic function of active carbon adsorber 16, also avoid active carbon adsorber 16 absorption dusts to cause the problem of Premature saturation, also can avoid water of condensation partially absorbing gasified harmful substance matter in waste-heat recoverer 15 heat transfer process simultaneously.
Water smoke device can adopt water smoke device common on market, the embodiment of the invention discloses a kind of concrete water smoke device, please refer to shown in accompanying drawing 3, this water smoke device comprises high pressure plunger pump 5, energy storage 6, pressure regulator valve 7 and waterfog head 18, wherein, high pressure plunger pump 5, energy storage 6 and pressure regulator valve 7 are arranged between filtration unit and waterfog head 18.When to sewage disposal, sewage enters into high pressure plunger pump 5 after processing by filtration unit, and high pressure plunger pump 5 is drained into sewage in energy storage 6 with high pressure conditions.Now sewage has larger pressure, under the regulating effect of pressure regulator valve 7, from waterfog head 18 ejections, forms water smoke.Above-mentioned high pressure plunger pump 5 can adopt high pressure centrifugal pump etc., and other can be realized and carrying sewage, and can improve the liquid transporting apparatus of sewage pressure.Preferably, on the pipeline of above-mentioned water smoke device, be provided with tensimeter 8, to facilitate according to tensimeter 8, show that numerical value is to pressure regulator valve 7 operations.
The startup well heater major function providing in the present embodiment is to provide the heat needing when whole Sewage treatment systems is opened, with the water smoke of vaporize water fog spray head ejection.Concrete, above-mentioned startup well heater can be the waste heat apparatus of electric heater 19, solar heater, biogas or coal power generation.Owing to starting the function of well heater, be to the water smoke heating evaporation in evaporation cavity A, so start each position that well heater can be arranged on evaporation cavity A, but in actual working process, start well heater and the vaporization efficiency of water smoke is often determined to the efficiency of sewage disposal.If start well heater, fail water smoke fully to heat, can have so the more not drop of vaporization, the pollutent that finally causes being present in these drops cannot be separated out, and then affects the treatment effect of sewage.For head it off, the Sewage treatment systems that the embodiment of the present invention provides, start the outlet that well heater is preferably arranged on return air chamber B, this kind of decoration form can make comparatively high temps dry air and the heat exchange of water smoke long period after starting heater heats, can improve vaporization efficiency.Certainly after whole Sewage treatment systems normal operation, starting well heater quits work, in such cases, preferably waterfog head is arranged on to close one end of outlet of evaporation cavity A and return air chamber C, this kind of decoration form makes the comparatively high temps dry air very first time of discharging through the outlet of return air chamber B to water smoke heating evaporation, this kind of mode can extend water smoke be evaporated the flow process of process, and then improve heating efficiency, and then reduce energy consumption.
Preferably, in above-mentioned Sewage treatment systems, waste-heat recoverer 15 can be the back-shaped pipe of multilayer stainless steel.More preferred, when waste-heat recoverer 15 adopts the back-shaped pipe of multilayer stainless steel, the layout place plane of the back-shaped pipe of multilayer stainless steel is perpendicular with the direction of the wind comes from.In the process of heat exchange, the comparatively high temps wet air in air-inlet cavity C and waste-heat recoverer 15 heat exchange unavoidably produce water of condensation, so the below of waste-heat recoverer 15 is provided with captation.In like manner, the first condenser 9 and the second condenser 10 in the present embodiment also have captation, and captation can be the condensation pond 21 being connected with the water pipe of above-mentioned each device.Waste-heat recoverer 15, the first condenser 9 and the second condenser 10 can produce water of condensation in the process of work, and in like manner, above-mentioned three devices preferably adopt parts of stainless steel.
The heat transfer tube of air heat exchanger 12 can be stainless steel tubulation, and tubulation and the wind comes from is arranged vertically, and as a same reason, the radiating end 14 of air-energy water-heater 11 can be also the back-shaped pipe of stainless steel, be arranged vertically the circulating hot water of exporting for air-energy water-heater in pipe with the wind comes from.Preferably, the parts that above-mentioned air-energy water-heater 11 is positioned at sealing chamber 20 outsides are provided with sealing thermal insulation thermofin, to reduce heat energy dissipation.
Fly-ash separator in the embodiment of the present invention can adopt sack cleaner, can certainly adopt other cleaning apparatus.In like manner, on fly-ash separator, be provided with sealing thermal insulation thermofin, can reduce heat energy dissipation.
By above-mentioned introduce known, the Sewage treatment systems that the embodiment of the present invention provides is closed system, and whole system completes in sealing chamber 20 processing of sewage, not to airborne release gas, the dry-matter producing in evaporative process is convenient to process, and reaches the target of sewage disposal zero release.And native system is envrionment temperature higher (certainly, in the temperature range in its permission, being conventionally not less than 15 ℃), it is just higher to the efficiency of sewage disposal, and correspondingly, energy consumption is also just fewer.Based on this advantage, at global warming, under the trend that temperature raises year by year, the Sewage treatment systems that the embodiment of the present invention provides has good application prospect.
The Sewage treatment systems providing based on the embodiment of the present invention, the embodiment of the present invention also provides a kind of sewage treatment process, please refer to accompanying drawing 4, and this technique comprises the following steps:
S401, sewage atomization is processed, obtained water smoke.
In this step, by atomisation unit, to sewage atomization, form water smoke, become tiny atomizing droplet, generally water smoke device is communicated with source of sewage, is provided with water pump and carries to realize the power of sewage on the inlet channel of water smoke device.
S402, by comparatively high temps dry air to water smoke heating evaporation, obtain comparatively high temps wet air.
In this step, pass through comparatively high temps dry air to water smoke heating evaporation, the suspended substance in sewage is separated out by mummification, and water smoke is evaporated into wet air, obtains comparatively high temps wet air, thereby completes sewage to the transformation of comparatively high temps wet air.
S403, to the dedusting of comparatively high temps wet air.
This step is passed through the dedusting of comparatively high temps wet air, and then the suspended substance of realizing in sewage is removed.In this dust removal step, conventionally adopt the conventional fly-ash separators such as sack cleaner to implement.In this process, cleaning apparatus adopts thermal insulation layer insulation, and while making dust by filtering, comparatively high temps wet air enthalpy does not reduce.
S404, comparatively high temps wet air after dedusting is implemented to harmful gas adsorption.
In comparatively high temps wet air after dedusting, may also have gasified harmful substance matter, if directly condensation meeting dissolves in water of condensation gasified harmful substance matter to be discharged from, contaminate environment still, for this reason, in this step, by obnoxious flavour, absorption reaches the object of removing gasified harmful substance matter.Concrete, can adopt active carbon adsorber 16(as shown in Fig. 2 or 3) to obnoxious flavour physical adsorption.Certainly according to the difference of sewage kind, can adopt the chemisorption device of other kind to implement this step.
The comparatively high temps wet air of S405, condensation process adsorption treatment, obtains lesser temps dry air and water of condensation.
Comparatively high temps wet air after obnoxious flavour absorption is condensed in this step, and the condensate moisture in gas becomes Water in Condenser to be discharged from, and becomes lower temperature dry air.Generally, can adopt multi-stage condensing device to comparatively high temps wet air condensation, to reach good condensation effect.
S406, by lesser temps dry air and atmosphere heat exchange, make it to become comparatively high temps dry air, enter step S402.
By the lesser temps dry air obtaining in step S405 and atmosphere heat exchange, make it fully to absorb the heat energy in atmosphere, become comparatively high temps dry air, the comparatively high temps dry air producing in this step is as the comparatively high temps dry air to water smoke heating in step S402.
In addition, the Sewage treatment systems that the embodiment of the present invention provides and technique, applicable to the processing to multiple sewage, dispose of sewage, and energy consumption are low because it adopts method of evaporation, so more obvious for the large high salt wastewater treatment efficiency of parsing amount.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, each embodiment stresses is the difference with other embodiment.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. Sewage treatment systems, comprises fly-ash separator (17) and the water smoke device being communicated with source of sewage, it is characterized in that, described Sewage treatment systems also comprises:
Sealing chamber (20), described sealing chamber (20) sealed separation is evaporation cavity (A) and the air-inlet cavity (C) being communicated with described evaporation cavity (A) and return air chamber (B), the waterfog head of described water smoke device (18) is arranged at described evaporation cavity (A);
Waste-heat recoverer (15) and the first condenser (9), described fly-ash separator (17), waste-heat recoverer (15) and the first condenser (9) are set in turn in described air-inlet cavity (C), and the heat transferring medium chamber of described the first condenser (9) is connected with the sewer line of described water smoke device, the heat transfer tube of described waste-heat recoverer (15) is through described air-inlet cavity (C), to be communicated with described return air chamber (B) and described evaporation cavity (A);
Air heat exchanger (12), is communicated with described air-inlet cavity (C) and described return air chamber (B);
Start well heater, be arranged at described evaporation cavity (A), while starting for described Sewage treatment systems, the water smoke in described evaporation cavity (A) is heated;
Blower fan (13), is arranged at described sealing chamber (20), for driving gas, flows.
2. Sewage treatment systems according to claim 1, it is characterized in that, also comprise air-energy water-heater (11), the freezing end of described air-energy water-heater (11) is arranged at described air-inlet cavity (C) as the second condenser (10), and the radiating end (14) of described air-energy water-heater (11) is arranged at described return air chamber (B) as thermal source.
3. Sewage treatment systems according to claim 2, is characterized in that, described the second condenser (10) is arranged between described the first condenser (9) and described air heat exchanger (12).
4. Sewage treatment systems according to claim 3, is characterized in that, described blower fan (13) is arranged between described air heat exchanger (12) and the radiating end (14) of described air-energy water-heater (11).
5. Sewage treatment systems according to claim 1, is characterized in that, on the inlet channel that described water smoke device is connected with source of sewage, is provided with filtration unit.
6. Sewage treatment systems according to claim 5, it is characterized in that, described water smoke device comprises high pressure plunger pump (5), energy storage (6), pressure regulator valve (7) and the described waterfog head (18) connecting successively, and described high pressure plunger pump (5), energy storage (6) and pressure regulator valve (7) are arranged between described filtration unit and described waterfog head (18).
7. Sewage treatment systems according to claim 1, is characterized in that, described waterfog head (18) is arranged on the position exporting near described return air chamber (B) in described evaporation cavity (A).
8. according to the Sewage treatment systems described in any one in claim 1-7, it is characterized in that, also comprise the active carbon adsorber (16) being arranged between described fly-ash separator (17) and described waste-heat recoverer (15).
9. sewage treatment process, is characterized in that, comprises the following steps:
Sewage atomization is processed, obtained water smoke;
By comparatively high temps dry air, to described water smoke heating evaporation, obtain comparatively high temps wet air;
To comparatively high temps wet air successively dedusting, obnoxious flavour absorption;
Condensation, through the comparatively high temps wet air of adsorption treatment, obtains lesser temps dry air and water of condensation;
By lesser temps dry air and atmosphere heat exchange, make it to become described comparatively high temps dry air, go to step 92).
10. sewage treatment process according to claim 9, is characterized in that, condensation, through the comparatively high temps wet air of adsorption treatment, specifically realizes by multiple condensation.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831657A (en) * | 2015-02-16 | 2015-08-12 | 山东元灵科技有限公司 | Drying device for road surface cleaning vehicle |
| CN104831664A (en) * | 2015-02-16 | 2015-08-12 | 山东元灵科技有限公司 | Road surface cleaning vehicle and road surface cleaning method thereof |
| CN114871263A (en) * | 2022-04-29 | 2022-08-09 | 北京建工环境工程咨询有限责任公司 | Contaminated soil remediation device and soil remediation method |
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| CN102052812A (en) * | 2010-12-20 | 2011-05-11 | 东南大学 | Method and device for preparing fluidized ice by utilizing air condensation-evaporation composite mode |
| CN102060346A (en) * | 2009-11-12 | 2011-05-18 | 张迎立 | Air energy water mist evaporation water treatment system and process |
| CN202430029U (en) * | 2011-09-29 | 2012-09-12 | 中国科学院广州能源研究所 | Solar adsorption type sea water desalinization device with heat return and mass recovery circulation |
| CN102964019A (en) * | 2012-11-30 | 2013-03-13 | 山东大明消毒科技有限公司 | Energy-saving evaporation treatment process of high-salinity wastewater |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060346A (en) * | 2009-11-12 | 2011-05-18 | 张迎立 | Air energy water mist evaporation water treatment system and process |
| CN102052812A (en) * | 2010-12-20 | 2011-05-11 | 东南大学 | Method and device for preparing fluidized ice by utilizing air condensation-evaporation composite mode |
| CN202430029U (en) * | 2011-09-29 | 2012-09-12 | 中国科学院广州能源研究所 | Solar adsorption type sea water desalinization device with heat return and mass recovery circulation |
| CN102964019A (en) * | 2012-11-30 | 2013-03-13 | 山东大明消毒科技有限公司 | Energy-saving evaporation treatment process of high-salinity wastewater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831657A (en) * | 2015-02-16 | 2015-08-12 | 山东元灵科技有限公司 | Drying device for road surface cleaning vehicle |
| CN104831664A (en) * | 2015-02-16 | 2015-08-12 | 山东元灵科技有限公司 | Road surface cleaning vehicle and road surface cleaning method thereof |
| CN114871263A (en) * | 2022-04-29 | 2022-08-09 | 北京建工环境工程咨询有限责任公司 | Contaminated soil remediation device and soil remediation method |
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| CN103539215B (en) | 2015-08-12 |
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