CN110500585B - Waste incineration power generation waste heat ammonia distillation system - Google Patents

Waste incineration power generation waste heat ammonia distillation system Download PDF

Info

Publication number
CN110500585B
CN110500585B CN201910651827.1A CN201910651827A CN110500585B CN 110500585 B CN110500585 B CN 110500585B CN 201910651827 A CN201910651827 A CN 201910651827A CN 110500585 B CN110500585 B CN 110500585B
Authority
CN
China
Prior art keywords
waste
heat
power generation
temperature
incineration 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.)
Active
Application number
CN201910651827.1A
Other languages
Chinese (zh)
Other versions
CN110500585A (en
Inventor
杨宏伟
方杨
张天琦
李磊
胡国荣
周民星
邰扬
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.)
Everbright Envirotech China Ltd
Everbright Environmental Protection Research Institute Nanjing Co Ltd
Original Assignee
Everbright Envirotech China Ltd
Everbright Environmental Protection Research Institute Nanjing 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 Everbright Envirotech China Ltd, Everbright Environmental Protection Research Institute Nanjing Co Ltd filed Critical Everbright Envirotech China Ltd
Priority to CN201910651827.1A priority Critical patent/CN110500585B/en
Publication of CN110500585A publication Critical patent/CN110500585A/en
Application granted granted Critical
Publication of CN110500585B publication Critical patent/CN110500585B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/022—Preparation of aqueous ammonia solutions, i.e. ammonia water
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/10—Separation of ammonia from ammonia liquors, e.g. gas liquors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/06—Returning energy of steam, in exchanged form, to process, e.g. use of exhaust steam for drying solid fuel or plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D11/00—Feed-water supply not provided for in other main groups
    • F22D11/02—Arrangements of feed-water pumps
    • F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G1/00—Steam superheating characterised by heating method
    • F22G1/16—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The invention provides a waste incineration power generation waste heat ammonia distillation system, which comprises: the waste incineration power generation system incinerates waste to generate power and comprises a steam turbine, and the steam turbine generates power and outputs exhaust steam; the cooling water in the condenser exchanges heat with the dead steam and then is converted into heat exchange cooling water; the temperature-increasing heat pump uses the heat exchange cooling water as a low-temperature heat source to heat low-temperature water to form high-temperature water; an ammonia distillation system that performs an ammonia distillation process using the high-temperature water to produce ammonia water. According to the waste heat ammonia distillation system for waste incineration power generation, the heat in the exhaust steam generated after waste incineration power generation is recycled to carry out the ammonia distillation process, the waste incineration power generation and the ammonia distillation process are effectively combined, the waste heat of the incineration power plant is fully utilized, and the economic benefit of the waste incineration power plant is improved.

Description

Waste incineration power generation waste heat ammonia distillation system
Technical Field
The invention relates to the field of garbage treatment, in particular to a waste heat ammonia distillation system for garbage incineration power generation.
Background
China is a large population country, a large amount of domestic garbage is generated every year, at present, garbage incineration power generation is the best mode for disposing the domestic garbage, and the method has important significance for realizing garbage reduction, harmlessness and recycling. With the lower and lower cost of waste disposal and the same amount of waste disposal, the efficiency of waste incineration power plants is lower and lower, and increasing the economic efficiency of waste incineration power plants becomes a main trend for improvement of waste incineration power plants.
At present, waste incineration power generation is carried out, a waste heat boiler is adopted to recover heat of high-temperature flue gas generated after waste incineration by a waste incinerator, superheated steam is formed, and the superheated steam is adopted to drive a steam turbine to generate power. The resources and heat in the process of waste incineration power generation are often directly discharged, a large amount of waste is generated, and the economic benefit of the incineration power plant cannot be improved.
Therefore, it is necessary to provide a new ammonia distillation system for waste heat generated by waste incineration power generation to solve the problems in the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The invention provides a waste incineration power generation waste heat ammonia distillation system, which comprises:
the waste incineration power generation system incinerates waste to generate power and comprises a steam turbine, and the steam turbine generates power and outputs exhaust steam;
the cooling water in the condenser exchanges heat with the dead steam and then is converted into heat exchange cooling water;
the temperature-increasing heat pump uses the heat exchange cooling water as a low-temperature heat source to heat low-temperature water to form high-temperature water;
an ammonia distillation system that performs an ammonia distillation process using the high-temperature water to produce ammonia water.
Illustratively, the ammonia distillation system includes an anaerobic tank that utilizes the high temperature water to heat leachate for anaerobic fermentation.
Illustratively, the waste incineration power generation system comprises a waste incinerator and a waste heat boiler, wherein the waste incinerator generates high-temperature flue gas after incinerating waste, the waste heat boiler recovers heat of the high-temperature flue gas to generate superheated steam, and the steam turbine generates power by utilizing the superheated steam.
Illustratively, the ammonia distillation system further comprises a smoke cooler and an ammonia distillation tower;
the smoke cooler is connected with the waste heat boiler and the temperature-increasing heat pump, and the high-temperature water exchanges heat with high-temperature smoke output from the waste heat boiler in the smoke cooler to form saturated steam;
and the ammonia still utilizes the saturated steam as an ammonia still heat source to carry out ammonia still treatment to obtain ammonia water.
The anaerobic fermentation device comprises an anaerobic tank, a biogas generator and a control system, wherein the anaerobic tank is arranged in the anaerobic tank, and the anaerobic tank is arranged in the anaerobic tank.
Illustratively, the warming heat pump utilizes the tail gas of the biogas generator as a driving heat source.
The cooling tower is connected with the condenser and used for cooling part of the heat exchange cooling water output by the condenser.
The water storage tank collects the heat exchange cooling water cooled by the cooling tower and utilized by the temperature-increasing heat pump and then inputs the heat exchange cooling water into the condenser.
Illustratively, the incineration power generation device further performs denitration treatment on the high-temperature flue gas by using the ammonia water obtained by the ammonia still system.
Illustratively, the condenser is connected with the waste heat boiler, and condensed water formed after the dead steam is condensed in the condenser is input into the waste heat boiler.
According to the waste heat ammonia distillation system for waste incineration power generation, the condenser and the temperature-increasing heat pump are utilized to recycle heat in exhaust steam generated after waste incineration power generation, and the efficiency of ammonia water generation in the ammonia distillation process is enhanced through high-temperature water, so that the waste incineration power generation and the ammonia distillation process are effectively combined, the waste heat of an incineration power plant is fully utilized, and the economic benefit of the waste incineration power plant and the efficiency of the ammonia distillation process are improved.
Drawings
The following drawings of the invention are included to provide a further understanding of the invention. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
In the drawings:
fig. 1 is a schematic structural diagram of a waste incineration power generation waste heat ammonia distillation system according to an embodiment of the invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In order to thoroughly understand the present invention, a detailed description will be given in the following description to illustrate the waste heat ammonia distillation system for waste incineration power generation of the present invention. It will be apparent that the practice of the invention is not limited to the specific details known to those skilled in the art of waste treatment. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
At present, waste incineration power generation is carried out, a waste heat boiler is adopted to recover heat of high-temperature flue gas generated after waste incineration by a waste incinerator, superheated steam is formed, and the superheated steam is adopted to drive a steam turbine to generate power. Resources and heat in the waste incineration power generation process are often directly discharged, a large amount of waste is generated, and the economic benefit of an incineration power plant cannot be improved.
In order to solve the problems in the prior art, the invention provides a waste incineration power generation waste heat ammonia distillation system, which comprises:
the waste incineration power generation system incinerates waste to generate power and comprises a steam turbine, and the steam turbine generates power and outputs exhaust steam;
the cooling water in the condenser exchanges heat with the dead steam and then is converted into heat exchange cooling water;
the temperature-increasing heat pump uses the heat exchange cooling water as a low-temperature heat source to heat low-temperature water to form high-temperature water;
an ammonia distillation system that performs an ammonia distillation process using the high-temperature water to produce ammonia water.
The waste incineration power generation waste heat ammonia distillation system of the invention is schematically described below with reference to fig. 1, wherein fig. 1 is a schematic structural diagram of the waste incineration power generation waste heat ammonia distillation system according to an embodiment of the invention.
Referring to fig. 1, the waste incineration power generation waste heat ammonia distillation system comprises a waste incineration power generation system, a condenser 2, a temperature-increasing heat pump 3 and an ammonia distillation system 4.
In one example according to the present invention, a waste incineration power generation system includes a waste incinerator (not shown), a waste heat boiler (not shown), and a steam turbine 1.
Exemplary garbage incinerators include a garbage incinerator grate furnace or a fluidized bed incinerator. Illustratively, according to an example of the invention, the waste is incinerated by a waste incineration grate furnace, high-temperature flue gas is generated after the waste is incinerated, and the temperature of the high-temperature flue gas is generally as high as 800 ℃, wherein the high-temperature flue gas contains HCl and SO2And (4) treating the acidic gas to form dischargeable flue gas and then introducing the flue gas into the atmosphere.
Illustratively, the high-temperature flue gas enters the waste heat boiler to exchange heat with water in the waste heat boiler to generate superheated steam after being subjected to deacidification, dust removal and the like. The steam turbine 1 uses the superheated steam to work to drive the generator to generate power. In the prior art, the exhaust steam is directly discharged to waste heat and pollute the environment.
According to the invention, the heat of the exhaust steam discharged by the steam turbine 1 is utilized by means of a condenser 2, as shown in fig. 1. Specifically, the cooling water in the condenser 2 exchanges heat with the exhaust steam discharged from the steam turbine 1 to form heat exchange cooling water.
Illustratively, the temperature of the cooling water in the condenser 2 is room temperature, and the cooling water exchanges heat with the exhaust steam discharged by the steam turbine 1 to form heat exchange cooling water, one part of the heat exchange cooling water is input into the temperature-increasing heat pump 3 to be used as a low-temperature heat source of the temperature-increasing heat pump 3, and the other part of the heat exchange cooling water is input into the cooling tower 8 to be cooled.
With reference to fig. 1, two shut-off valves 21 and 22 are arranged on the outlet line of the condenser 2. Wherein the stop valve 21 controls a part of heat exchange cooling water output by the condenser 2 to the cooling tower 8 for cooling treatment, and the stop valve 22 controls another part of heat exchange cooling water output by the condenser 2 to the temperature-increasing heat pump 3 as a low-temperature heat source of the temperature-increasing heat pump.
The temperature-increasing heat pump 3 uses the heat exchange cooling water as a low-temperature heat source to heat low-temperature water to form high-temperature water. Illustratively, the low-temperature water is heat supply network water, and the temperature-increasing heat pump 3 performs temperature-increasing treatment on the heat supply network water by using heat-exchanging cooling water as a low-temperature heat source. The heating-up heat pump 3 is adopted to heat up the heat supply network water so as to utilize the heat supply network water, so that the heat supply network water can be used for heating on one hand, and the heat supply network water can be used for the ammonia distillation process, so that the repeated and effective utilization of the heat supply network water is realized, the resource waste is further reduced, and the benefit of a power plant is improved.
The heat exchange cooling water output from the condenser 2 is input to the reservoir 9 after being utilized by the temperature-increasing heat pump 3 and the cooling tower 8, and is supplied to the condenser 2 from the reservoir 9 for reuse, so that the recycling of the cooling water in the condenser 2 is realized, the resource waste is further reduced, and the benefit of a power plant is improved. Illustratively, the temperature of the heat exchange cooling water after being used by the cooling tower is 27-33 ℃, and the heat exchange cooling water is further reduced to a room temperature state of 20-27 ℃ in a water storage tank 9 and is supplied to a condenser 2.
Exemplarily, the exhaust steam forms condensate water after heat exchange in the condenser, and the condensate water is input into the waste heat boiler, so that the cyclic utilization of the exhaust steam and the condensate water is realized, the resource waste is further reduced, and the benefit of the power plant is improved.
With continued reference to fig. 1, the high temperature water output by the temperature increasing heat pump 3 is input into an ammonia still system 4 for ammonia still process to produce ammonia water.
According to the invention, the condenser and the temperature-increasing heat pump are utilized to recycle heat in exhaust steam generated after waste incineration power generation, and the efficiency of ammonia water generation in the ammonia distillation process is enhanced through high-temperature water, so that the waste incineration power generation and the ammonia distillation process are effectively combined, the waste heat of a waste incineration power plant is fully utilized, and the economic benefit of the waste incineration power plant and the efficiency of the ammonia distillation process are improved.
As shown in FIG. 1, according to one example of the present invention, the ammonia distillation system 4 includes a leachate supply apparatus 400 and an anaerobic tank 401. After the garbage incineration plant collects the garbage, the garbage is subjected to primary landfill treatment to form leachate, and the leachate is collected into the leachate supply device 400. When the ammonia distillation treatment is performed, the leachate supply apparatus 400 introduces the collected leachate into an anaerobic tank 401 and performs anaerobic treatment.
Illustratively, the temperature of the high-temperature water output by the temperature-increasing heat pump 3 ranges from 80 ℃ to 95 ℃, and the anaerobic tank 401 heats the percolate by using the high-temperature water output by the temperature-increasing heat pump 3, so that anaerobic fermentation in the anaerobic tank 401 can be promoted, and the efficiency of the ammonia distillation treatment process can be improved.
With continued reference to FIG. 1, in one example according to the present disclosure, the ammonia distillation system further includes a fume cooler 402 and an ammonia still 403; the smoke cooler is connected with the waste heat boiler and the temperature-increasing heat pump, and the high-temperature water exchanges heat with high-temperature smoke output from the waste heat boiler in the smoke cooler to form saturated steam; and the ammonia still utilizes the saturated steam as an ammonia still heat source to carry out ammonia still treatment to obtain ammonia water.
After the waste heat boiler obtains superheated steam by utilizing the heat of the high-temperature flue gas, the high-temperature flue gas is still at a high temperature (more than 100 ℃) after being output from the waste heat boiler, and in order to avoid optical pollution such as white fog and the like generated when the high-temperature flue gas is discharged into the air, the flue gas is often cooled firstly. According to the invention, the smoke cooler is arranged in the ammonia still system to continuously heat the high-temperature water output by the temperature-increasing heat pump by utilizing the heat of the high-temperature smoke, and the obtained steam is used as the heat source of the ammonia still, so that on one hand, the heat of the high-temperature smoke is further fully and effectively utilized, and on the other hand, the high-temperature water output by the temperature-increasing heat pump is further and effectively utilized, thereby further avoiding resource waste and reducing pollution, the process further improves the waste heat utilization rate of incineration power generation, and the benefits of incineration power generation are improved.
According to an example of the present invention, the temperature of the high temperature water output by the temperature-increasing heat pump 3 is in the range of 80-95 ℃, and the saturated steam is formed after heat exchange by the smoke cooler 402, and the temperature range is 100-120 ℃.
With continued reference to fig. 1, the ammonia water obtained after ammonia distillation in the ammonia still 403 is illustratively fed into the ammonia water storage tank 5 for storage and then sent to the SNCR system 6 for use. So for the denitration treatment of the high temperature flue gas in ammonia still system and the incineration power generation system combines together, the high temperature flue gas directly utilizes the aqueous ammonia that ammonia still system obtained to carry out the denitration, has practiced thrift the expense of purchasing the denitrifier, realizes the circulation of resource, abundant, effective utilization, has further promoted the benefit of burning the power plant.
In one example according to the invention, the waste incineration power generation waste heat ammonia distillation system further comprises a methane power generation device. Because the anaerobic reaction is carried out in the anaerobic tank and simultaneously methane is generated, in the prior art, the methane is usually put into a furnace for combustion or is directly discharged into the atmosphere for combustion, thereby causing energy waste. In the invention, the biogas power generation device is arranged to generate power by using biogas, so that on one hand, the energy in the biogas is effectively utilized, on the other hand, the power generation capacity of a waste incineration power plant is increased, and the benefits of incineration power generation are increased.
As shown in fig. 1, biogas generated in the anaerobic tank 401 is directly fed to the biogas power generator 7 to generate power. The biogas power generation device 7 generates tail gas after power generation by using the burnt biogas, and the temperature of the tail gas is up to 500 ℃. In one example according to the present invention, the exhaust gas generated by the biogas generator 7 is input to the temperature-increasing heat pump 3 to be used as a driving energy source of the temperature-increasing heat pump 3. The arrangement mode saves a steam turbine for exhausting the marsh gas power generation device after the marsh gas power generation device is arranged, and further realizes the full utilization of heat in the tail gas of the marsh gas power generation device.
In summary, according to the waste incineration power generation waste heat ammonia distillation system, the condenser and the temperature-increasing heat pump are utilized to recycle heat in exhaust steam generated after waste incineration power generation, and the efficiency of ammonia water generation in the ammonia distillation process is enhanced through high-temperature water, so that the waste incineration power generation and the ammonia distillation process are effectively combined, the waste heat of the incineration power plant is fully utilized, and the economic benefit of the waste incineration power plant and the efficiency of the ammonia distillation process are improved
The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the invention to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications are within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims.

Claims (10)

1. The utility model provides a waste incineration power generation waste heat ammonia distillation system which characterized in that includes:
the waste incineration power generation system incinerates waste to generate power and comprises a steam turbine, and the steam turbine generates power and outputs exhaust steam;
the cooling water in the condenser exchanges heat with the dead steam and then is converted into heat exchange cooling water;
the temperature-increasing heat pump uses the heat exchange cooling water as a low-temperature heat source to heat low-temperature water to form high-temperature water;
an ammonia distillation system that performs an ammonia distillation process using the high-temperature water to produce ammonia water.
2. The waste incineration power generation waste heat ammonia distillation system according to claim 1, wherein the ammonia distillation system comprises an anaerobic tank which heats percolate with the high-temperature water for anaerobic fermentation.
3. The waste incineration power generation waste heat ammonia distillation system according to claim 2, wherein the waste incineration power generation system comprises a waste incinerator and a waste heat boiler, the waste incinerator incinerates waste to generate high-temperature flue gas, the waste heat boiler recovers heat of the high-temperature flue gas to generate superheated steam, and the steam turbine generates power by using the superheated steam.
4. The waste incineration power generation waste heat ammonia distillation system according to claim 3, further comprising a smoke cooler and an ammonia distillation tower;
the smoke cooler is connected with the waste heat boiler and the temperature-increasing heat pump, and the high-temperature water exchanges heat with high-temperature smoke output from the waste heat boiler in the smoke cooler to form saturated steam;
and the ammonia still utilizes the saturated steam as an ammonia still heat source to carry out ammonia still treatment to obtain ammonia water.
5. The waste incineration power generation waste heat ammonia distillation system of claim 2, further comprising a biogas generator that generates power using biogas after anaerobic fermentation in the anaerobic tank.
6. The waste incineration power generation waste heat ammonia distillation system according to claim 5, wherein the temperature-increasing heat pump utilizes tail gas of the biogas generator as a driving heat source.
7. The waste incineration power generation waste heat ammonia distillation system according to claim 4, further comprising a cooling tower connected to the condenser for cooling a portion of the heat exchange cooling water output by the condenser.
8. The waste incineration power generation waste heat ammonia distillation system according to claim 7, further comprising a reservoir for collecting the heat exchange cooling water cooled by the cooling tower and utilized by the temperature-increasing heat pump and then feeding the collected water to the condenser.
9. The waste incineration power generation waste heat ammonia distillation system according to claim 3, wherein the incineration power generation device further performs denitration treatment on the high-temperature flue gas by using the ammonia water obtained by the ammonia distillation system.
10. The waste incineration power generation waste heat ammonia distillation system according to claim 3, wherein the condenser is connected to the waste heat boiler, and condensed water formed by condensing the exhaust steam in the condenser is input to the waste heat boiler.
CN201910651827.1A 2019-07-18 2019-07-18 Waste incineration power generation waste heat ammonia distillation system Active CN110500585B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910651827.1A CN110500585B (en) 2019-07-18 2019-07-18 Waste incineration power generation waste heat ammonia distillation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910651827.1A CN110500585B (en) 2019-07-18 2019-07-18 Waste incineration power generation waste heat ammonia distillation system

Publications (2)

Publication Number Publication Date
CN110500585A CN110500585A (en) 2019-11-26
CN110500585B true CN110500585B (en) 2020-12-25

Family

ID=68586406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910651827.1A Active CN110500585B (en) 2019-07-18 2019-07-18 Waste incineration power generation waste heat ammonia distillation system

Country Status (1)

Country Link
CN (1) CN110500585B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09303111A (en) * 1996-05-17 1997-11-25 Hiroyuki Dan Warm drain water generating system
DE102005045333A1 (en) * 2005-09-22 2007-04-05 Gerd Teutsch Thermal power arrangement used in power station technology comprises a heat pump with a Carnot process running to the left in combination with the Clausius-Rankine process to replace a heat source and a cooling system
CN102022145B (en) * 2010-11-18 2014-03-05 清华大学 Steam exhaust waste heat recovery unit
CN104118887B (en) * 2013-04-26 2016-04-06 江苏沂州煤焦化有限公司 Utilize the technique of flue gases of cock oven waste heat ammonia still process
CN205653309U (en) * 2016-04-27 2016-10-19 北京首钢国际工程技术有限公司 Coke oven flue gas waste heat utilization and coking wastewater pretreatment systems
CN207454043U (en) * 2017-10-09 2018-06-05 天津市鼎盛鑫科技有限公司 A kind of low temperature exhaust heat recycles electricity generation system
CN107840533B (en) * 2017-10-19 2020-08-25 浙江博世华环保科技有限公司 Method for treating leachate of waste incineration plant
CN208124294U (en) * 2018-04-11 2018-11-20 光大环保技术研究院（南京）有限公司 A kind of power generation by waste combustion system

Also Published As

Publication number Publication date
CN110500585A (en) 2019-11-26

Similar Documents

Publication Publication Date Title
CN108278615A (en) A kind of processing system and method for garbage incinerating power plant zero-emission
CN113883525A (en) Garbage treatment system and method coupled with coal-fired generator set
CN214464459U (en) Deep waste heat utilization system of integrated organic Rankine cycle waste incineration power station
WO2019080742A1 (en) Multi-coupling power generation system and power generation method
CN110500585B (en) Waste incineration power generation waste heat ammonia distillation system
CN212614920U (en) Waste incineration kiln flue gas waste heat utilization power generation system
CN208372813U (en) Smoke processing system for waste incineration combined power generation plant
CN214198690U (en) Waste incineration and cement kiln waste heat recovery coupling power generation system
CN211546312U (en) Coal-fired power plant unit sludge low-temperature hydrothermal treatment system
CN114046506A (en) Waste incineration waste heat utilization device and method for recycling heat of flue gas furnace slag
CN210861166U (en) Waste incineration power plant waste heat utilization equipment
CN211739114U (en) System for multistage desiccator and fluidized bed incinerator handle mud and recovery energy
CN114165792A (en) Waste heat utilization device and method for garbage incinerator slag by coupling plasma cracking
CN210568440U (en) Waste incineration power generation system capable of improving heat efficiency
CN216262637U (en) Water-containing solid waste treatment system
CN111018313A (en) Low-temperature hydrothermal treatment system and method for sludge of coal-fired power plant unit
CN216010865U (en) Waste incineration power plant gas cleaning energy-saving synergistic system
CN217479294U (en) Waste incineration and sludge drying system based on waste heat recovery
CN212298997U (en) Deep waste heat utilization system of waste incineration power station
CN216644217U (en) Waste incineration waste heat utilization device for recycling heat of flue gas furnace slag
CN213924643U (en) Small and medium-scale garbage treatment system
CN216203455U (en) Gas and flue gas utilization combined transformation system of coal-fired boiler flue gas treatment system
CN212339251U (en) Domestic waste and organic hazardous waste cooperative processing system
CN218721492U (en) Cement kiln is refuse and waste heat recovery system of handling in coordination
CN212339263U (en) Domestic waste and municipal sludge coprocessing system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant