CN106241961A - A kind of water treatment facilities utilizing residual heat of electric power plant and method - Google Patents

A kind of water treatment facilities utilizing residual heat of electric power plant and method Download PDF

Info

Publication number
CN106241961A
CN106241961A CN201610804956.6A CN201610804956A CN106241961A CN 106241961 A CN106241961 A CN 106241961A CN 201610804956 A CN201610804956 A CN 201610804956A CN 106241961 A CN106241961 A CN 106241961A
Authority
CN
China
Prior art keywords
water
heating bath
exhaust steam
power plant
electric power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610804956.6A
Other languages
Chinese (zh)
Inventor
刘海洋
夏怀祥
江澄宇
齐勇
郭清温
郭永红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datang Environment Industry Group Co Ltd
Original Assignee
Datang Environment Industry Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Datang Environment Industry Group Co Ltd filed Critical Datang Environment Industry Group Co Ltd
Priority to CN201610804956.6A priority Critical patent/CN106241961A/en
Publication of CN106241961A publication Critical patent/CN106241961A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/447Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by membrane distillation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Abstract

The present invention relates to a kind of water treatment facilities utilizing residual heat of electric power plant and method.Utilize the water treatment facilities of residual heat of electric power plant, including: heating bath, for adding pyrogen water, being provided with heat exchanger in described heating bath, described heating bath is externally provided with exhaust steam pipeline A, and described exhaust steam pipeline A is sequentially provided with air pump and vapour compression machine, wherein, exhaust steam enters vapour compression machine through air pump, and the gas outlet of described vapour compression machine is connected with the air inlet of heat exchanger, and the gas outlet of described heat exchanger connects boiler;Distillation device, its hot side solution end water inlet connects the outlet of heating bath, and its hot side solution brings out the mouth of a river and connects the water inlet B of heating bath through water pump, and the condensed device of steam outlet of distillation device connects product pond.The present invention can be greatly reduced the operating cost that Membrane Materials processes simultaneously with effectively save water resource and the recovery energy, can produce high-quality water, improve the efficiency of utilization of whole power plant.

Description

A kind of water treatment facilities utilizing residual heat of electric power plant and method
Technical field
The invention belongs to energy-conserving and environment-protective field, be specifically related to a kind of water treatment facilities utilizing residual heat of electric power plant and method.
Background technology
Coal fired power generation occupies critical role in China's energy resource supply.In order to ensure the normal of generating efficiency and generating equipment Run, it usually needs exhaust steam in steam turbine is cooled down by substantial amounts of recirculated cooling water, by the volatilization of water by the heat in exhaust steam Bringing in air, this not only wastes substantial amounts of heat, consumes the water resource of up to ten thousand tons simultaneously every day, therefore, how to recycle Heat in exhaust steam, always energy-saving field priority research areas.
Membrane Materials (MD) technology is a kind of efficient membrane separation technique, is by controlling wastewater temperature, with hydrophobic micropore Film is separating medium, with film both sides steam pressure difference as mass transfer force, it is achieved the process that Waste water concentrating and pure water reclaim, MD technology Compared with conventional film isolation technics, there is many merits, as salt is retained ultrahigh in efficiency, to most nonvolatile matters Have nearly 100% and retain efficiency, and influent quality is required low, operating condition is gentle (need not high pressure equipment), run dimension Protect conveniently, fouling membrane is less likely to occur and the evaporation of observable index tradition is low etc..Additionally, salinity change in waste water is adapted to by Membrane Materials Property strong, as long as solute unsaturation separates out in theory, distillation device can be properly functioning.Owing to Membrane Materials needs to enter former water Row heating, therefore energy consumption is of a relatively high, and this is also one of key factor limiting MD technique large-scale application.
Therefore, even avoiding using in a large number recirculated water to reduce, reclaim the energy simultaneously, the efficient heat energy of exploiting economy returns Skill of knocking off is significant.
Summary of the invention
For solving the problems referred to above, it is an object of the invention to provide a kind of water treatment facilities utilizing residual heat of electric power plant and side Method.Residual heat of electric power plant is utilized and combines with membrane distillation technique by the present invention, while completing membrane distillation water processing procedure, and fully profit With exhaust steam residual heat, save the energy and recirculated water consumption.
It is an object of the invention to be achieved through the following technical solutions:
A kind of water treatment facilities utilizing residual heat of electric power plant, including:
Heating bath, is used for adding pyrogen water, is provided with heat exchanger in described heating bath, and described heating bath is externally provided with exhaust steam pipeline A, Being sequentially provided with air pump and vapour compression machine on described exhaust steam pipeline A, wherein, exhaust steam enters vapour compression machine through air pump, institute The air inlet of the gas outlet and heat exchanger of stating vapour compression machine is connected, and the gas outlet of described heat exchanger connects boiler;
Distillation device, its hot side solution end water inlet connects the outlet of heating bath, and its hot side solution brings out mouth of a river warp Water pump connects the water inlet B of heating bath, and the condensed device of steam outlet of distillation device connects product pond.
Further, the described water treatment facilities utilizing residual heat of electric power plant also includes pretreatment unit, for carrying out former water Pretreatment, the outlet of described pretreatment unit connects the water inlet A of described heating bath, described pretreatment unit be sedimentation tank, The combination of one or more of oil interceptor, oxidation pond, softening pond, filter or biochemistry pool.
Further, described vapour compression machine is single-stage vapor compression machine or uses multi-stage vapor compression machine series operation.
Further, it is additionally provided with agitating device in described heating bath.
Further, the described water treatment facilities utilizing residual heat of electric power plant also includes exhaust steam pipeline B, on described exhaust steam pipeline B Being provided with condenser, exhaust steam enters boiler through described condenser, and in described condenser, exhaust steam and recirculated cooling water take countercurrent flow.
Further, described exhaust steam pipeline A is provided with flow monitoring device A, described flow monitoring device A and is located at air pump And between vapour compression machine;
The recirculated cooling water water inlet end of described condenser is provided with flow monitoring device B;
It is provided with pressure monitoring device in described condenser;
Described flow monitoring device A, flow monitoring device B and pressure monitoring device are all connected with PLC self-con-tained unit.
Further, described distillation device uses the vacuum membrane distillation method of operation, it is possible to use GAP TYPE, gas sweep formula, The combination of one or more in the direct contact membrane distillation method of operation.
Utilize, based on described water treatment facilities, the method that residual heat of electric power plant carries out water process, comprise the following steps:
Step 1, enters heating bath after the preprocessed device pretreatment of former water;
Step 2, the exhaust steam temperature that turbine low pressure cylinder is discharged is 30~50 DEG C, and exhaust steam enters after air pump is extracted out steams Vapour compressor;
Step 3, the exhaust steam after vapour compression machine compresses is warming up to after 50~90 DEG C enter the heat exchanger in heating bath, logical Crossing heat exchanger to heat the former water in heating bath, exhaust steam simultaneously condenses, and after exhaust steam condensation, the condensed water of generation is heated removes Oxygen returns in boiler after processing;
Step 4, the former water in heating bath is heated to 50~90 DEG C, and former water enters Membrane Materials dress under the swabbing action of water pump Put and carry out concentration, use this kind of suction-type water intake mode, advantageously reduce the seawater pressure in membrane module, it is to avoid hydrophobic membrane Penetrate, film both sides steam pressure difference can be increased under equal operating condition simultaneously, be conducive to improving the permeant flux of film.Warp Crossing the former water after membrane distillation concentration to be back in heating bath under the swabbing action of water pump again, repeat concentration process, film steams The condensed device of water vapour that distillation unit produces enters product pond and is collected.
Further, according to water-quality constituents and the process operating mode of handled former water, when the former water salinity in heating bath reaches During to discharge value, the former water in heating bath is discharged, repeats above-mentioned concentration process.
Further, the pretreatment in step 1 be chemistry sink to the bottom, chemical oxidation, the one carrying out a biological disposal upon, filter or adsorb Or it is several.
Further, when distillation device processes water shortage by Membrane Materials, the exhaust steam that turbine low pressure cylinder is discharged It is partly into condenser to be condensed by recirculated cooling water.Along with Membrane Materials processes being gradually increased of the water yield, recirculated cooling water is used Amount is gradually reduced;When the Membrane Materials process water yield is sufficiently large, can cancel the operation of recirculated cooling water, the circulation in condenser is cold But water system is as emergency power system.
Further, by PLC self-con-tained unit to the recirculated cooling water flow of inlet water in condenser, the pressure in condenser The extraction flow entering vapour compression machine with exhaust steam coordinates control.
Further, in step 4, under the effect of vacuum pump, the water vapour that distillation device produces discharges membrane module warp Condenser enters product pond and is collected.
The present invention is applicable to various types of fired power generating unit, preferably water chiller.
The invention have the benefit that
Present invention exhaust steam of power plant being pressurizeed is the thermal source as Membrane Materials system, through treatment for reuse to pot after exhaust steam condensation Stove, Membrane Materials system can carry out desalinization or process waste water etc., it is adaptable to processes the pure water such as waste water and desalinization and produces Or solution desalting processing.Additionally, the present invention arranges the prison online such as circulating cooling water flow, condenser vacuum and exhaust steam rate of air sucked in required Survey and control system, to guarantee electricity generation system safety and to realize the thermal efficiency maximization of whole system.The method can effectively drop Low circulating cooling evaporated quantity of water, it is to avoid major part heat is volatized into air with recirculated cooling water, can utilize more than exhaust steam simultaneously Heat carries out waste water process or produces the water resource of high-quality.The present invention can be the biggest with effectively save water resource and the recovery energy Width reduces the operating cost that Membrane Materials processes, and can produce high-quality water, improve the efficiency of utilization of whole power plant.
Accompanying drawing explanation
Fig. 1 is the water treatment facilities structural representation utilizing residual heat of electric power plant of the present invention;
Wherein, 1-pretreatment unit, 2-heating bath, 3-condenser, 4-air pump, 5-vapour compression machine, 6-heat exchanger, 7- Boiler, 8-distillation device, 9-water pump, 10-condenser, 11-produces pond, 12-vacuum pump, and 13-flow monitoring device A, 14-flow Amount monitoring device B, 15-pressure monitoring device, 16-PLC self-con-tained unit.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not For limiting the present invention.
As it is shown in figure 1, a kind of water treatment facilities utilizing residual heat of electric power plant, including:
Pretreatment unit 1, for former water carries out pretreatment, the outlet of described pretreatment unit connects described heating bath The water inlet A of 1, described pretreatment unit 1 is sedimentation tank, oil interceptor, oxidation pond, softening pond, filter or the one of biochemistry pool Or several combinations.
Heating bath 2, is used for adding pyrogen water, is provided with heat exchanger 6 and agitating device, outside described heating bath 2 in described heating bath 2 Being provided with exhaust steam pipeline A, described exhaust steam pipeline A is sequentially provided with air pump 4 and vapour compression machine 5, wherein, exhaust steam is through air pump 4 Entering vapour compression machine 5, the gas outlet of described vapour compression machine 5 is connected with the air inlet of heat exchanger 6, going out of described heat exchanger 6 QI KOU connects boiler 7;Described vapour compression machine 5 is single-stage vapor compression machine or uses multi-stage vapor compression machine series operation.
Being additionally provided with exhaust steam pipeline B, described exhaust steam pipeline B outside described heating bath 2 and be provided with condenser 3, exhaust steam is through described solidifying Vapour device 3 enters boiler, and in described condenser 3, exhaust steam and recirculated cooling water take countercurrent flow.
Distillation device 8, its hot side solution end water inlet connects the outlet of heating bath 2, and its hot side solution brings out the mouth of a river Connect the water inlet B of heating bath 2 through water pump 9, the steam outlet condensed device 10 of distillation device 8 connects product pond 11.
Described exhaust steam pipeline A is provided with flow monitoring device A13, described flow monitoring device A13 and is located at air pump 4 and steams Between vapour compressor 5;The recirculated cooling water water inlet end of described condenser 3 is provided with flow monitoring device B14;In described condenser 3 It is provided with pressure monitoring device 15;Described flow monitoring device A13, flow monitoring device B14 and pressure monitoring device 15 are all connected with PLC self-con-tained unit 16.
Embodiment 1
The method that residual heat of electric power plant carries out water process is utilized, with certain Desulphurization for Coal-fired Power Plant waste water based on described water treatment facilities For processing object, comprise the following steps:
Step 1, desulfurization wastewater, through chemical precipitation, softening, flocculation precipitation pretreatment, removes heavy metal in waste water, suspension The pollutant such as thing and hardness, enter heating bath 2;
Step 2, in the exhaust steam that turbine low pressure cylinder is discharged, exhaust steam enters vapour compression machine 5 after air pump 4 is extracted out;
Step 3, the exhaust steam after vapour compression machine 5 compresses is warming up to after 90 DEG C enter the heat exchanger 6 in heating bath 2, logical Crossing heat exchanger 6 to heat the desulfurization wastewater in heating bath 2, exhaust steam simultaneously condenses, the condensed water warp produced after exhaust steam condensation Return in boiler 7 after crossing backheat and deoxygenation process;
By PLC self-con-tained unit 16 to the recirculated cooling water flow of inlet water in condenser 3, the pressure in condenser 3 and weary Vapour enters the extraction flow of vapour compression machine 5 and coordinates control, it is ensured that the vacuum in condenser is in zone of reasonableness, it is to avoid Affect upstream generating efficiency.
Step 4, the desulfurization wastewater in heating bath 2 is heated to 80 DEG C, and under the swabbing action of water pump, desulfurization wastewater enters film Distilling apparatus 8, the desulfurization wastewater after membrane distillation concentration is back in heating bath 2, and Repeat-heating and membrane distillation concentration process. Under the effect of vacuum pump 12, the water vapour that desulfurization wastewater produces in distillation device 8 is discharged membrane module and enters condenser 10, condensed water enters product pond 11 and is collected and is back in power plant's production.
Step 5, when the desulfurization wastewater salinity in heating bath 2 reaches 18%, discharges the desulfurization wastewater in heating bath 2, weight Multiple above-mentioned concentration process.
When distillation device 8 processes water shortage by Membrane Materials, the exhaust steam part that turbine low pressure cylinder is discharged is entered Enter condenser 3 to be condensed by recirculated cooling water.
Along with Membrane Materials processes being gradually increased of the water yield, circulating cooling water consumption is gradually reduced;When Membrane Materials processes the water yield Time sufficiently large, can cancel the operation of recirculated cooling water, the recirculating cooling water system in condenser is as emergency power system.
Embodiment 2
The method that residual heat of electric power plant carries out water process is utilized, with the sea of certain coastal coal-burning power plant based on described water treatment facilities Water, for processing object, carries out desalination process, comprises the following steps sea water:
Step 1, first pumps into regulating reservoir by sea water, is then passed through the pretreatment such as softening, flocculation sediment, filtration, removes useless The pollutant such as float and hardness in water, enter heating bath 2;
Step 2, in the exhaust steam that turbine low pressure cylinder is discharged, exhaust steam enters vapour compression machine 5 after air pump 4 is extracted out;
Step 3, the exhaust steam after vapour compression machine 5 compresses is warming up to after 65 DEG C enter the heat exchanger 6 in heating bath 2, logical Crossing heat exchanger 6 to heat the sea water in heating bath 2, exhaust steam simultaneously condenses, and the condensed water produced after exhaust steam condensation passes through back Heat and deoxygenation return in boiler 7 after processing;
By PLC self-con-tained unit 16 to the recirculated cooling water flow of inlet water in condenser 3, the pressure in condenser 3 and weary Vapour enters the extraction flow of vapour compression machine 5 and coordinates control, it is ensured that the vacuum in condenser is in zone of reasonableness, it is to avoid Affect upstream generating efficiency.
Step 4, the heating of seawater in heating bath 2 to 60 DEG C, under the swabbing action of water pump, sea water enters distillation device 8, the sea water after membrane distillation concentration is back in heating bath 2, and Repeat-heating and membrane distillation concentration process.At vacuum pump 12 Under effect, the water vapour that sea water produces in distillation device 8 is discharged membrane module and enters condenser 10, and condensed water enters and produces water Pond 11 is collected and is back to power plant's production, resident living.
Step 5, when the sea water salinity in heating bath 2 reaches 20%, discharges the sea water in heating bath 2, repeats above-mentioned dense Contracting processing procedure.
When distillation device 8 processes water shortage by Membrane Materials, the exhaust steam part that turbine low pressure cylinder is discharged is entered Enter condenser 3 to be condensed by recirculated cooling water.
Along with Membrane Materials processes being gradually increased of the water yield, circulating cooling water consumption is gradually reduced;When Membrane Materials processes the water yield Time sufficiently large, can cancel the operation of recirculated cooling water, the recirculating cooling water system in condenser is as emergency power system.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. the water treatment facilities utilizing residual heat of electric power plant, it is characterised in that including:
Heating bath (2), is used for adding pyrogen water, is provided with heat exchanger (6) in described heating bath (2), and described heating bath (2) is externally provided with weary Vapor pipeline A, described exhaust steam pipeline A is sequentially provided with air pump (4) and vapour compression machine (5), and wherein, exhaust steam is through air pump (4) Entering vapour compression machine (5), the gas outlet of described vapour compression machine (5) is connected with the air inlet of heat exchanger (6), described heat exchanger (6) gas outlet connects boiler (7);
Distillation device (8), its hot side solution end water inlet connects the outlet of heating bath (2), and its hot side solution brings out the mouth of a river Connect the water inlet B of heating bath (2) through water pump (9), the condensed device of the steam outlet (10) of distillation device (8) connects product water Pond (11).
The water treatment facilities utilizing residual heat of electric power plant the most according to claim 1, it is characterised in that also include pretreatment unit (1), for former water carries out pretreatment, the outlet of described pretreatment unit connects the water inlet A of described heating bath (1), institute State the group of one or more that pretreatment unit (1) is sedimentation tank, oil interceptor, oxidation pond, softening pond, filter or biochemistry pool Close.
The water treatment facilities utilizing residual heat of electric power plant the most according to claim 1, it is characterised in that described vapour compression machine (5) it is single-stage vapor compression machine or employing multi-stage vapor compression machine series operation.
The water treatment facilities utilizing residual heat of electric power plant the most according to claim 1, it is characterised in that in described heating bath (2) It is additionally provided with agitating device.
The water treatment facilities utilizing residual heat of electric power plant the most according to claim 1, it is characterised in that also include exhaust steam pipeline B, Described exhaust steam pipeline B is provided with condenser (3), and exhaust steam enters boiler, exhaust steam in described condenser (3) through described condenser (3) Countercurrent flow is taked with recirculated cooling water.
The water treatment facilities utilizing residual heat of electric power plant the most according to claim 5, it is characterised in that
Described exhaust steam pipeline A is provided with flow monitoring device A (13), described flow monitoring device A (13) be located at air pump (4) and Between vapour compression machine (5);
The recirculated cooling water water inlet end of described condenser (3) is provided with flow monitoring device B (14);
Pressure monitoring device (15) it is provided with in described condenser (3);
Described flow monitoring device A (13), flow monitoring device B (14) and pressure monitoring device (15) are all connected with PLC automatic control dress Put (16).
7. utilizing, based on the water treatment facilities described in any of the above-described claim, the method that residual heat of electric power plant carries out water process, it is special Levy and be, comprise the following steps:
Step 1, enters heating bath (2) after preprocessed device (1) pretreatment of former water;
Step 2, the exhaust steam temperature that turbine low pressure cylinder is discharged is 30~50 DEG C, and exhaust steam enters after air pump (4) is extracted out steams Vapour compressor (5);
Step 3, the exhaust steam after vapour compression machine (5) compresses is warming up to after 50~90 DEG C enter the heat exchanger in heating bath (2) (6), being heated the former water in heating bath (2) by heat exchanger (6), exhaust steam simultaneously condenses, and produce after exhaust steam condensation is cold The solidifying heated deoxygenation of water returns in boiler (7) after processing;
Step 4, the former water in heating bath (2) is heated to 50~90 DEG C, and former water enters distillation device (8) and carries out concentration, Former water after membrane distillation concentration is back in heating bath (2), repeats concentration process, and distillation device (8) produces The condensed device of water vapour (10) enters product pond (11) and is collected.
The method utilizing residual heat of electric power plant to carry out water process the most according to claim 7, it is characterised in that according to handled former The water-quality constituents of water and process operating mode, when the former water salinity in heating bath reaches discharge value, arrange the former water in heating bath Go out, repeat above-mentioned concentration process.
The method utilizing residual heat of electric power plant to carry out water process the most according to claim 7, it is characterised in that work as distillation device (8), when processing water shortage by Membrane Materials, the exhaust steam that turbine low pressure cylinder is discharged is partly into condenser (3) by circulation Cooling water condensation.
The method utilizing residual heat of electric power plant to carry out water process the most according to claim 7, it is characterised in that by PLC automatic control Device (16) enters both vapor compression to the pressure in the recirculated cooling water flow of inlet water in condenser (3), condenser (3) and exhaust steam The extraction flow of machine (5) coordinates control.
CN201610804956.6A 2016-09-06 2016-09-06 A kind of water treatment facilities utilizing residual heat of electric power plant and method Pending CN106241961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610804956.6A CN106241961A (en) 2016-09-06 2016-09-06 A kind of water treatment facilities utilizing residual heat of electric power plant and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610804956.6A CN106241961A (en) 2016-09-06 2016-09-06 A kind of water treatment facilities utilizing residual heat of electric power plant and method
PCT/CN2017/072018 WO2018045707A1 (en) 2016-09-06 2017-01-22 Water treatment device and method using waste heat from power plant

Publications (1)

Publication Number Publication Date
CN106241961A true CN106241961A (en) 2016-12-21

Family

ID=57598540

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610804956.6A Pending CN106241961A (en) 2016-09-06 2016-09-06 A kind of water treatment facilities utilizing residual heat of electric power plant and method

Country Status (2)

Country Link
CN (1) CN106241961A (en)
WO (1) WO2018045707A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106745310A (en) * 2016-12-29 2017-05-31 苏州欧拉透平机械有限公司 Iron oxide exhaust steam Zero-discharge energy-saving system
WO2018045707A1 (en) * 2016-09-06 2018-03-15 大唐环境产业集团股份有限公司 Water treatment device and method using waste heat from power plant
CN110759405A (en) * 2019-11-06 2020-02-07 山东大学 Waste heat utilization process and system for seawater direct-flow cooling water of power plant
CN111995150A (en) * 2020-08-19 2020-11-27 广东闻扬环境科技有限公司 Saline wastewater circulating treatment system and treatment method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11267644A (en) * 1998-03-25 1999-10-05 Mitsubishi Heavy Ind Ltd Water treating apparatus
SE530856C2 (en) * 2007-01-12 2008-09-30 Scarab Dev Ab Method of low water consumption by means of membrane distillation with low energy consumption
CN102030441A (en) * 2009-09-29 2011-04-27 天津膜科力科技有限公司 Method for treating wastewater in production of sebacic acid
CN102398961A (en) * 2010-09-14 2012-04-04 北京清大国华环保科技有限公司 Method and device for treating high-salt content water by hydro-power molecular membrane
CN102022144B (en) * 2010-11-12 2013-10-16 华北电力大学(保定) Thermal power generation system with function of exhaust steam recovery
CN203962060U (en) * 2014-05-30 2014-11-26 湖州中赢节能科技有限公司 A kind of Novel steam condenser system
CN105585197A (en) * 2016-02-05 2016-05-18 大唐环境产业集团股份有限公司 Desulfurization wastewater concentration treatment device and method
CN106241924B (en) * 2016-09-06 2018-05-04 大唐环境产业集团股份有限公司 A kind of power plant's sea water desalination processing unit and method
CN206108988U (en) * 2016-09-06 2017-04-19 大唐环境产业集团股份有限公司 Utilize water treatment facilities of power plant's waste heat
CN106219855A (en) * 2016-09-06 2016-12-14 大唐环境产业集团股份有限公司 Direct Air-cooled Unit recuperation of heat and water treatment facilities and recuperation of heat and method for treating water
CN106186201A (en) * 2016-09-06 2016-12-07 大唐环境产业集团股份有限公司 A kind of device and method of water-electricity cogeneration
CN106241961A (en) * 2016-09-06 2016-12-21 大唐环境产业集团股份有限公司 A kind of water treatment facilities utilizing residual heat of electric power plant and method
CN106186200A (en) * 2016-09-06 2016-12-07 大唐环境产业集团股份有限公司 A kind of indirect air cooling unit recuperation of heat and water treatment facilities and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018045707A1 (en) * 2016-09-06 2018-03-15 大唐环境产业集团股份有限公司 Water treatment device and method using waste heat from power plant
CN106745310A (en) * 2016-12-29 2017-05-31 苏州欧拉透平机械有限公司 Iron oxide exhaust steam Zero-discharge energy-saving system
CN110759405A (en) * 2019-11-06 2020-02-07 山东大学 Waste heat utilization process and system for seawater direct-flow cooling water of power plant
CN111995150A (en) * 2020-08-19 2020-11-27 广东闻扬环境科技有限公司 Saline wastewater circulating treatment system and treatment method
CN111995150B (en) * 2020-08-19 2021-04-16 广东闻扬环境科技有限公司 Saline wastewater circulating treatment system and treatment method

Also Published As

Publication number Publication date
WO2018045707A1 (en) 2018-03-15

Similar Documents

Publication Publication Date Title
CN106241961A (en) A kind of water treatment facilities utilizing residual heat of electric power plant and method
CN105254106A (en) High-salt waste water zero emission and salt separation processing method and device
CN102642883A (en) System for desalinating seawater by waste heat from power plant
CN104671313B (en) Solar sea water desalination device
KR101262811B1 (en) MVR(Mechanical Vapor Re-Compressor System) Using Evaporator For Waste WATER
WO2018045708A1 (en) Indirect air-cooling unit heat recovery and water treatment device and method
CN206108988U (en) Utilize water treatment facilities of power plant's waste heat
CN205635216U (en) Concentrated processing apparatus of desulfurization waste water
CN206033294U (en) Seawater desalination processing apparatus of power plant
CN106241924B (en) A kind of power plant's sea water desalination processing unit and method
CN202107589U (en) Concentrated water high temperature reverse osmosis treatment equipment
CN106186201A (en) A kind of device and method of water-electricity cogeneration
CN201139961Y (en) Energy-saving pressure reduction film distillation equipment
CN104341072A (en) Energy-saving waste-water continuous evaporating crystallizing system
CN106219895A (en) A kind of water treatment facilities utilizing fume afterheat and method for treating water
CN108128831A (en) Solar heat pump desalination plant
CN106219855A (en) Direct Air-cooled Unit recuperation of heat and water treatment facilities and recuperation of heat and method for treating water
CN202576022U (en) System for desalinizing sweater by using waste heat from power plants
CN107434327A (en) The hotting mask coupling seawater desalination system of Water Sproading more than a kind of waste heat overbottom pressure
CN204151184U (en) A kind of energy-conservation waste water continuous evaporative crystallization system
CN206033324U (en) Heat recovery of indirect air cooling unit and water treatment facilities
CN110642479A (en) Membrane concentrated solution reduction treatment system and treatment process thereof
CN110330162A (en) A kind of lead-zinc smelting wastewater processing system and its processing method
CN207361985U (en) A kind of high organic wastewater hotting mask coupling of high salt divides salt zero-discharge treatment system
CN102583861B (en) Method for preheating inflow water of membrane method seawater softening device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination