CN111484179A - Waste heat drive-based zero-discharge method and system for leachate of garbage power plant - Google Patents
Waste heat drive-based zero-discharge method and system for leachate of garbage power plant Download PDFInfo
- Publication number
- CN111484179A CN111484179A CN202010220198.XA CN202010220198A CN111484179A CN 111484179 A CN111484179 A CN 111484179A CN 202010220198 A CN202010220198 A CN 202010220198A CN 111484179 A CN111484179 A CN 111484179A
- Authority
- CN
- China
- Prior art keywords
- waste heat
- water
- leachate
- steam
- outlet
- 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
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
A zero-discharge method and a zero-discharge system for leachate of a refuse power plant based on waste heat driving belong to the technical field of refuse power generation and zero discharge of sewage. Aiming at the problem that the garbage leachate of the garbage power plant is generally sent into an incinerator to be burnt, so that the steam yield and the stability of the combustion process in the incinerator are seriously influenced, the waste leachate after pretreatment is evaporated and concentrated or crystallized by a waste heat evaporator to obtain salt, and the concentrated solution or the crystallized salt and fly ash are solidified and buried; the driving heat source of the waste heat evaporator can be main steam or steam extracted by a steam turbine, and condensed water of the waste heat evaporator returns to the deaerator; the driving heat source can also be the waste heat of the smoke exhaust high-temperature section recovered by a low-low temperature economizer; the secondary steam after the evaporation of the sewage of the waste heat evaporator is used for preheating boiler feed water in front of a deaerator or combustion-supporting air of an incinerator; the secondary condensed water is used as raw water of desalted water or circulating water of a cooling tower for supplementing water; therefore, the heat energy used for evaporating the percolate returns to the main process thermal process again, and the heat source cost is close to zero.
Description
Technical Field
The invention relates to a leachate zero-discharge method and system for a waste heat-driven garbage power plant, and belongs to the technical field of garbage power generation and sewage zero discharge.
Background
The garbage power plant becomes an important infrastructure for consuming urban garbage and biomass waste, is popularized on a large scale at present, but the treatment difficulty of garbage leachate existing in large quantity is high, the garbage leachate is generally pretreated and then sent into a membrane concentration device for concentration at present, the water yield is generally only 40% -60%, concentrated water is finally sprayed into a garbage incinerator for vaporization, the combustion deterioration is often caused, particularly, the steam yield of the incinerator is greatly reduced, the power generation capacity of a steam turbine is seriously influenced, and the operation cost is very high. The generation amount and the discharge amount of other main process sewage in the plant, such as concentrated desalted water, sewage discharged by a cooling tower, flushing water and the like, are large, so that the large waste of water resources is caused.
Meanwhile, as an infrastructure for environment-friendly treatment of solid wastes, a garbage power plant has inevitable requirements and trends for cleaning the production process, particularly zero discharge of sewage and backwater water resources.
Disclosure of Invention
The invention aims to solve the problems of the garbage power plant, adopts a novel waste heat evaporation and crystallization method and measures to realize evaporation concentration, crystallization and harmlessness of garbage leachate and other sewage in the plant, and provides technical conditions for realizing a clean and waste-free garbage power plant.
The specific description of the invention is: the waste heat drive-based leachate zero-discharge method and system for the garbage power plant are characterized by comprising the following steps of: the method and the system for zero discharge of the leachate of the garbage power plant based on waste heat driving comprise a garbage leachate pretreatment process, a waste heat evaporation concentration and crystallization process, a waste heat recycling process of secondary steam and a utilization and disposal process of byproducts, and the process flow is as follows.
Firstly, leachate stock G0 of a garbage fermentation tank 1d is sent into a main process sewage concentration module 4 for conventional biochemical treatment and membrane concentration, leachate liquor G4 of the main process is then sent into a wastewater evaporation pretreatment tank 8a of a waste heat evaporation concentration crystallization module 8, or leachate stock G0 is directly sent into the wastewater evaporation pretreatment tank 8a for pretreatment such as heavy metal reduction required by evaporation, and the pretreated concentrated water is sent into a waste heat evaporation crystallizer 8 b;
secondly, the concentrated water is heated, evaporated, concentrated or crystallized in a residual heat evaporation crystallizer 8b by a driving heat source, wherein the driving heat source adopts driving steam Q3, and the driving steam Q3 is derived from main steam Q1 or steam extraction of a steam turbine or residual heat circulating water of a medium-temperature section flue gas heat recoverer 6 for water supply;
thirdly, feeding secondary steam Q2 at the sewage side of the waste heat evaporation crystallizer 8b into a secondary steam heat recoverer 3 and preheating combustion-supporting air A1 of an incinerator, or feeding the secondary steam into a boiler feed water preheater 7 and preheating boiler feed water at the inlet of a deaerator 2;
fourthly, the condensed water QN of the secondary steam Q2 is reused as the in-plant process water supplement, and the high concentrated water or the crystal salt NC of the waste heat evaporative crystallizer 8b and the fly ash D are sent into the solidification device 5 together to be converted into the building material raw material or the landfill solid waste E.
The waste heat drive-based leachate zero-discharge process system of the garbage power plant comprises a garbage leachate pretreatment module, a waste heat evaporation, concentration and crystallization module, a waste heat recycling module of secondary steam and a byproduct utilization and disposal device, wherein the specific process system comprises the following steps: the inlet of the percolate G2 of the waste water evaporation pretreatment pool 8a of the waste heat evaporation concentration crystallization module 8 is connected with the outlet of the main process percolate G4 of the membrane concentration device 4b of the main process sewage concentration module 4 or is communicated with the outlet of the percolate stock G0 from the garbage fermentation pool 1d, the waste water evaporation pretreatment pool 8a is also provided with the inlets of other high-concentration water G1 and the feed inlet of a medicament G3, and the outlet of the percolate treatment liquid G5 of the waste water evaporation pretreatment pool 8a is connected with the feed liquid inlet of the waste heat evaporation crystallizer 8 b; a driving heat source of the waste heat evaporation crystallizer 8b adopts a driving steam type, at the moment, an inlet of driving steam Q3 is communicated with an outlet of main steam Q1 of the garbage incinerator 1 or a steam extraction outlet of a steam turbine, and driving steam condensate C1 is connected with a water inlet pipe of boiler feed water S and a water inlet of the deaerator 2; or the driving heat source adopts a high-temperature hot water type, at the moment, the inlet of the driving heat source water supply R1 is connected with the waste heat circulating water outlet of the middle-temperature section flue gas heat recoverer 6, and the outlet of the driving heat source water return R2 is connected with the waste heat circulating water inlet of the middle-temperature section flue gas heat recoverer 6; an outlet of secondary steam Q2 of the waste heat evaporation crystallizer 8b is connected with a high-temperature side inlet of a secondary steam heat recoverer 3 or connected with a high-temperature side inlet of a boiler feed water preheater 7, when the outlet is connected with the high-temperature side inlet of the secondary steam heat recoverer 3, an air inlet of the secondary steam heat recoverer 3 is communicated with an air outlet of the garbage fermentation tank 1d, and the air outlet is communicated with an air inlet of the main process air preheater 1 c; when the outlet of the secondary steam Q2 of the waste heat evaporation crystallizer 8b is connected with the high-temperature side inlet of the boiler feed water preheater 7, the low-temperature side inlet of the boiler feed water preheater 7 is communicated with a mixed water supply pipe for driving steam condensate C1 and boiler feed water S, and the low-temperature side outlet is connected with the water inlet of the deaerator 2; the outlet of the secondary condensed water QN of the waste heat evaporative crystallizer 8b is communicated with a process raw water pipe in a factory; the high-concentration water or the crystallized salt NC of the waste heat evaporation crystallizer 8b and the fly ash D of the dust remover 1f are communicated with the feed inlet of the solidification device 5.
The feed liquid inlet of the membrane concentration device 4b is connected with the water outlet of the garbage leachate biochemical tank 4a, and the water inlet of the garbage leachate biochemical tank 4a is communicated with the leachate stock G0 outlet of the garbage fermentation tank 1 d.
The waste heat evaporative crystallizer 8b adopts a graphene vertical anti-scaling evaporative heat exchange and salt separation crystallization structure.
The medium-temperature flue gas heating surface 1a, the medium-low temperature flue gas heating surface 1b, the secondary steam heat recoverer 3 and the medium-temperature section flue gas heat recoverer 6 are of an extrusion-molded aluminum fin heat exchange tube structure coated with a graphene material.
The solidification device 5 adopts a fly ash chelation solidification facility or a ceramsite granulation device.
The invention has the following beneficial effects: one is as follows: the production process of the waste incineration power generation system realizes clean process control in the aspect of sewage treatment, and fundamentally solves the problems of treatment of waste water in waste leachate and other production and sewage discharge. The second is that: a large amount of garbage leachate does not need to be sprayed into the incinerator, so that the steam production and the stability of the combustion process of the incinerator are obviously improved, and the heat efficiency and the power generation capacity of the garbage incinerator can be improved by 10-20%. The third step is that: the solid in the wastewater is finally solidified to realize harmlessness and even reclamation. The fourth step is that: a large amount of condensed water can be reused for raw process water in a factory, heating, supplementing water and the like. The fifth step is: the waste heat drive-based sewage zero discharge method fundamentally solves the problems of high running cost and the like of environmental protection treatment, and can generate remarkable energy-saving benefit, so that the whole clean production system is built and used. The sixth is: by adopting a modular design method and an integrated structure, the method reduces the occupied area, investment and construction period to the maximum extent, improves the intellectualization of operation control and reduces the workload of operation, maintenance and management.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
The parts in fig. 1 are numbered and named as follows.
The system comprises a garbage incinerator 1, a medium-temperature flue gas heating surface 1a, a medium-low temperature flue gas heating surface 1b, a main process air preheater 1C, a garbage fermentation tank 1D, an air blower 1E, a dust remover 1f, a draught fan 1G, a deaerator 2, a secondary steam heat recoverer 3, a main process sewage concentration module 4, a garbage leachate biochemical tank 4a, a membrane concentration device 4b, a solidification device 5, a medium-temperature section flue gas heat recoverer 6, a boiler feed water preheater 7, a waste heat evaporation concentration crystallization module 8, a waste water evaporation pretreatment tank 8a, a waste heat evaporation crystallizer 8b, ambient air A0, preheating incinerator combustion-supporting air A1, driving steam condensed water C1, fly ash D, building material raw material or landfill solid waste E, leachate raw liquid G0, other high-concentration water G1, percolate raw liquid G2, a medicament G3, main process leachate G4, leachate G5, high-concentration treatment liquid G5, high-concentration water or salt NC, The system comprises main steam Q1, secondary steam Q2, driving steam Q3, condensed water QN, driving heat source water supply R1, driving heat source water return R2 and boiler water supply S.
Detailed Description
FIG. 1 is a system schematic and embodiment of the present invention.
The following is a specific example 1 of the present invention.
The method and the system for zero discharge of the leachate of the waste power plant based on waste heat driving comprise a waste leachate pretreatment process, a waste heat evaporation concentration and crystallization process, a waste heat recycling process of secondary steam and a utilization and disposal process of byproducts, wherein the specific process flow is as follows.
Firstly, leachate stock G0 of a garbage fermentation tank 1d is sent into a main process sewage concentration module 4 for conventional biochemical treatment and membrane concentration, leachate liquor G4 of the main process is then sent into a wastewater evaporation pretreatment tank 8a of a waste heat evaporation concentration crystallization module 8, or leachate stock G0 is directly sent into the wastewater evaporation pretreatment tank 8a for pretreatment such as heavy metal reduction required by evaporation, and the pretreated concentrated water is sent into a waste heat evaporation crystallizer 8 b;
secondly, the concentrated water is heated, evaporated, concentrated or crystallized in a residual heat evaporation crystallizer 8b by a driving heat source, wherein the driving heat source adopts driving steam Q3, and the driving steam Q3 is derived from main steam Q1 or steam extraction of a steam turbine or residual heat circulating water of a medium-temperature section flue gas heat recoverer 6 for water supply;
thirdly, feeding secondary steam Q2 at the sewage side of the waste heat evaporation crystallizer 8b into a secondary steam heat recoverer 3 and preheating combustion-supporting air A1 of an incinerator, or feeding the secondary steam into a boiler feed water preheater 7 and preheating boiler feed water at the inlet of a deaerator 2;
fourthly, the condensed water QN of the secondary steam Q2 is reused as the in-plant process water supplement, and the high concentrated water or the crystal salt NC of the waste heat evaporative crystallizer 8b and the fly ash D are sent into the solidification device 5 together to be converted into the building material raw material or the landfill solid waste E.
The waste heat drive-based leachate zero-discharge process system of the garbage power plant comprises a garbage leachate pretreatment module, a waste heat evaporation, concentration and crystallization module, a waste heat recycling module of secondary steam and a byproduct utilization and disposal device, wherein the specific process system comprises the following steps: the inlet of the percolate G2 of the waste water evaporation pretreatment pool 8a of the waste heat evaporation concentration crystallization module 8 is connected with the outlet of the main process percolate G4 of the membrane concentration device 4b of the main process sewage concentration module 4 or is communicated with the outlet of the percolate stock G0 from the garbage fermentation pool 1d, the waste water evaporation pretreatment pool 8a is also provided with the inlets of other high-concentration water G1 and the feed inlet of a medicament G3, and the outlet of the percolate treatment liquid G5 of the waste water evaporation pretreatment pool 8a is connected with the feed liquid inlet of the waste heat evaporation crystallizer 8 b; a driving heat source of the waste heat evaporation crystallizer 8b adopts a driving steam type, at the moment, an inlet of driving steam Q3 is communicated with an outlet of main steam Q1 of the garbage incinerator 1 or a steam extraction outlet of a steam turbine, and driving steam condensate C1 is connected with a water inlet pipe of boiler feed water S and a water inlet of the deaerator 2; or the driving heat source adopts a high-temperature hot water type, at the moment, the inlet of the driving heat source water supply R1 is connected with the waste heat circulating water outlet of the middle-temperature section flue gas heat recoverer 6, and the outlet of the driving heat source water return R2 is connected with the waste heat circulating water inlet of the middle-temperature section flue gas heat recoverer 6; an outlet of secondary steam Q2 of the waste heat evaporation crystallizer 8b is connected with a high-temperature side inlet of a secondary steam heat recoverer 3 or connected with a high-temperature side inlet of a boiler feed water preheater 7, when the outlet is connected with the high-temperature side inlet of the secondary steam heat recoverer 3, an air inlet of the secondary steam heat recoverer 3 is communicated with an air outlet of the garbage fermentation tank 1d, and the air outlet is communicated with an air inlet of the main process air preheater 1 c; when the outlet of the secondary steam Q2 of the waste heat evaporation crystallizer 8b is connected with the high-temperature side inlet of the boiler feed water preheater 7, the low-temperature side inlet of the boiler feed water preheater 7 is communicated with a mixed water supply pipe for driving steam condensate C1 and boiler feed water S, and the low-temperature side outlet is connected with the water inlet of the deaerator 2; the outlet of the secondary condensed water QN of the waste heat evaporative crystallizer 8b is communicated with a process raw water pipe in a factory; the high-concentration water or the crystallized salt NC of the waste heat evaporation crystallizer 8b and the fly ash D of the dust remover 1f are communicated with the feed inlet of the solidification device 5.
The feed liquid inlet of the membrane concentration device 4b is connected with the water outlet of the garbage leachate biochemical tank 4a, and the water inlet of the garbage leachate biochemical tank 4a is communicated with the leachate stock G0 outlet of the garbage fermentation tank 1 d.
The waste heat evaporative crystallizer 8b adopts a graphene vertical anti-scaling evaporative heat exchange and salt separation crystallization structure.
The medium-temperature flue gas heating surface 1a, the medium-low temperature flue gas heating surface 1b, the secondary steam heat recoverer 3 and the medium-temperature section flue gas heat recoverer 6 are of an extrusion-molded aluminum fin heat exchange tube structure coated with a graphene material.
The solidification device 5 adopts a fly ash chelation solidification facility or a ceramsite granulation device.
It should be noted that the present invention provides a technical implementation manner of waste leachate treatment and zero emission of waste incineration power generation system, and provides a specific implementation method, a flow path and an implementation device how to achieve the above-mentioned objects, and according to this overall solution, there may be different specific implementation measures and different structure of the specific implementation device, the above-mentioned specific implementation manner is only one of them, any other similar simple modified implementation manners, such as adopting different heat exchanger structures, simple changes of the front-back order of some sewage treatment devices, etc.; adopting different water quality treatment equipment and methods; different heat exchange element structures and simple deformation thereof are adopted; or to make modifications and the like as would occur to those of ordinary skill in the art, or to apply the same or similar structure to different fuel types, and the like, and other similar applications, all falling within the scope of the present invention.
Claims (6)
1. The waste heat drive-based leachate zero-discharge method and system for the garbage power plant are characterized by comprising the following steps of: the waste heat drive-based zero discharge method and system for the leachate of the garbage power plant comprise a waste leachate pretreatment process, a waste heat evaporation concentration and crystallization process, a waste heat recycling process of secondary steam and a byproduct utilization and disposal process, and the process flow comprises the following steps:
firstly, the leachate stock solution (G0) of a garbage fermentation tank (1 d) is sent into a main process sewage concentration module (4) for conventional biochemical treatment and membrane concentration, the leachate liquor (G4) of the main process is then sent into a wastewater evaporation pretreatment tank (8 a) of a waste heat evaporation concentration crystallization module (8), or the leachate stock solution (G0) is directly sent into the wastewater evaporation pretreatment tank (8 a) for pretreatment such as heavy metal reduction required by evaporation, and the pretreated concentrated water is sent into a waste heat evaporation crystallizer (8 b);
secondly, the concentrated water is heated, evaporated, concentrated or crystallized in a waste heat evaporation crystallizer (8 b) by a driving heat source, wherein the driving heat source adopts driving steam (Q3), and the driving steam (Q3) is derived from main steam (Q1) or steam extraction of a steam turbine or waste heat circulating water of a medium-temperature section flue gas heat recoverer (6) for supplying water;
thirdly, feeding secondary steam (Q2) at the sewage side of the waste heat evaporation crystallizer (8 b) into a secondary steam heat recoverer (3) and preheating combustion-supporting air (A1) of an incinerator, or feeding the secondary steam into a boiler feed water preheater (7) and preheating boiler feed water at an inlet of a deaerator (2);
fourthly, the condensed water (QN) of the secondary steam (Q2) is recycled as the water supplement of the process in the factory, and the high concentrated water or the crystallized salt (NC) of the waste heat evaporation crystallizer (8 b) and the fly ash (D) are sent into a solidification device (5) together to be converted into building material raw materials or landfill solid waste (E).
2. The method and system for zero discharge of leachate from waste heat-driven landfill site as claimed in claim 1, wherein the process system for zero discharge of leachate from waste heat-driven landfill site comprises a leachate pretreatment module, a waste heat evaporation, concentration and crystallization module, a waste heat recovery module for secondary steam, and a device for utilizing and disposing by-products, wherein the specific process system comprises: the inlet of the percolation liquid (G2) of the waste water evaporation pretreatment pool (8 a) of the waste heat evaporation concentration crystallization module (8) is connected with the outlet of the main process leachate drainage (G4) of the membrane concentration device (4 b) of the main process sewage concentration module (4), or is communicated with the outlet of the leachate stock solution (G0) from the garbage fermentation pool (1 d), the waste water evaporation pretreatment pool (8 a) is also provided with the inlets of other high-concentration water (G1) and the feeding port of a medicament (G3), and the outlet of the percolation treatment liquid (G5) of the waste water evaporation pretreatment pool (8 a) is connected with the liquid inlet of the waste heat evaporation crystallizer (8 b); a driving heat source of the waste heat evaporation crystallizer (8 b) adopts a driving steam type, at the moment, an inlet of the driving steam (Q3) is communicated with an outlet of main steam (Q1) of the garbage incinerator (1) or a steam extraction outlet of a steam turbine, and driving steam condensate (C1) is connected with a water inlet pipe of boiler feed water (S) and a water inlet of the deaerator (2); or the driving heat source adopts a high-temperature hot water type, at the moment, the inlet of the driving heat source water supply (R1) is connected with the waste heat circulating water outlet of the medium-temperature section flue gas heat recoverer (6), and the outlet of the driving heat source backwater (R2) is connected with the waste heat circulating water inlet of the medium-temperature section flue gas heat recoverer (6); an outlet of secondary steam (Q2) of the waste heat evaporation crystallizer (8 b) is connected with a high-temperature side inlet of a secondary steam heat recoverer (3) or connected with a high-temperature side inlet of a boiler feed water preheater (7), when the outlet is connected with the high-temperature side inlet of the secondary steam heat recoverer (3), an air inlet of the secondary steam heat recoverer (3) is communicated with an air outlet of a garbage fermentation tank (1 d), and the air outlet is communicated with an air inlet of a main process air preheater (1 c); when the outlet of the secondary steam (Q2) of the waste heat evaporation crystallizer (8 b) is connected with the high-temperature side inlet of the boiler feed water preheater (7), the low-temperature side inlet of the boiler feed water preheater (7) is communicated with a mixed water supply pipe for driving steam condensate (C1) and boiler feed water (S), and the low-temperature side outlet is connected with the water inlet of the deaerator (2); the outlet of the secondary condensed water (QN) of the waste heat evaporation crystallizer (8 b) is communicated with a process raw water pipe in the factory; the high-concentration water or the crystallized salt (NC) of the waste heat evaporation crystallizer (8 b) and the fly ash (D) of the dust remover (1 f) are communicated with the feed inlet of the solidification device (5).
3. The waste heat-driven landfill leachate zero-emission method and system according to claim 2, wherein the feed liquid inlet of the membrane concentration device (4 b) is connected to the water outlet of the landfill leachate biochemical tank (4 a), and the water inlet of the landfill leachate biochemical tank (4 a) is communicated with the leachate raw liquid (G0) outlet of the landfill fermentation tank (1 d).
4. The waste heat drive-based zero discharge method and system for leachate of landfill plant of claim 2, characterized in that the waste heat evaporation crystallizer (8 b) adopts graphene vertical anti-scaling evaporation heat exchange and salt separation crystallization structure.
5. The waste heat-driven landfill leachate zero-emission method and system according to claim 2, wherein the medium-temperature flue gas heating surface (1 a), the medium-low temperature flue gas heating surface (1 b), the secondary steam heat recovery device (3) and the medium-temperature flue gas heat recovery device (6) are formed by extrusion-molded aluminum fin heat exchange tube structures coated with graphene materials.
6. The waste heat-driven garbage power plant leachate zero emission method and system as claimed in claim 2, characterized in that the solidification device (5) employs fly ash chelating solidification facility or ceramsite granulation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010220198.XA CN111484179A (en) | 2020-03-25 | 2020-03-25 | Waste heat drive-based zero-discharge method and system for leachate of garbage power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010220198.XA CN111484179A (en) | 2020-03-25 | 2020-03-25 | Waste heat drive-based zero-discharge method and system for leachate of garbage power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111484179A true CN111484179A (en) | 2020-08-04 |
Family
ID=71810800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010220198.XA Pending CN111484179A (en) | 2020-03-25 | 2020-03-25 | Waste heat drive-based zero-discharge method and system for leachate of garbage power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111484179A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004144308A (en) * | 2002-10-21 | 2004-05-20 | Ebara Corp | Combined power generation system |
| CN105217883A (en) * | 2015-09-16 | 2016-01-06 | 成都美富特膜科技有限公司 | Based on the garbage burning factory percolate treating process of special membrane |
| CN205773862U (en) * | 2016-06-08 | 2016-12-07 | 广州汉泰环境技术有限公司 | A kind of evaporation and crystallization system for processing percolate |
| CN109836020A (en) * | 2019-04-04 | 2019-06-04 | 北京高能时代环境技术股份有限公司 | A kind of processing system and method for mature landfill leachate zero-emission |
| CN110131742A (en) * | 2019-06-16 | 2019-08-16 | 清华大学 | The full ingredient of boiler exhaust gas based on waste heat driving is administered and resource utilization mode |
| CN209583869U (en) * | 2018-09-06 | 2019-11-05 | 清华大学 | A kind of sewage zero-discharge and resource recovering system based on the driving of steam power plant's waste heat |
-
2020
- 2020-03-25 CN CN202010220198.XA patent/CN111484179A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004144308A (en) * | 2002-10-21 | 2004-05-20 | Ebara Corp | Combined power generation system |
| CN105217883A (en) * | 2015-09-16 | 2016-01-06 | 成都美富特膜科技有限公司 | Based on the garbage burning factory percolate treating process of special membrane |
| CN205773862U (en) * | 2016-06-08 | 2016-12-07 | 广州汉泰环境技术有限公司 | A kind of evaporation and crystallization system for processing percolate |
| CN209583869U (en) * | 2018-09-06 | 2019-11-05 | 清华大学 | A kind of sewage zero-discharge and resource recovering system based on the driving of steam power plant's waste heat |
| CN109836020A (en) * | 2019-04-04 | 2019-06-04 | 北京高能时代环境技术股份有限公司 | A kind of processing system and method for mature landfill leachate zero-emission |
| CN110131742A (en) * | 2019-06-16 | 2019-08-16 | 清华大学 | The full ingredient of boiler exhaust gas based on waste heat driving is administered and resource utilization mode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101251045B (en) | Biomass energy circulation electrification technique as well as generating system thereof | |
| CN109179832B (en) | Public environmental protection factory for recycling industrial high-salinity wastewater fully based on thermal method | |
| CN102537982A (en) | Method for treating molasses alcohol waste water | |
| CN202328303U (en) | Waste heat recovery system for condensing anti-corrosion gas/fuel boiler | |
| CN107324431B (en) | Segmented gasification detoxification system and method for high-concentration organic salt-containing waste liquid | |
| CN108479088B (en) | Desalting and pyrolysis treatment method and system for salt-containing organic waste liquid | |
| CN212504410U (en) | Garbage leachate waste heat method zero discharge device for garbage power plant | |
| CN111233063B (en) | Non-contact-surface and efficient low-temperature evaporation system for landfill leachate | |
| CN110906319B (en) | Modularized waste-free boiler process system based on biomass distributed heat supply | |
| CN111484179A (en) | Waste heat drive-based zero-discharge method and system for leachate of garbage power plant | |
| CN101439890A (en) | Method and apparatus for concentrating, combusting high concentrated organic wastewater and generating power | |
| CN105236376A (en) | Glyphosate mother liquor resource utilization system | |
| CN210595735U (en) | System for thermal power plant's boiler flue gas pyrolysis mud | |
| CN212511222U (en) | Waste heat method cleaning production system of waste-free garbage power plant | |
| CN212269766U (en) | Leachate and dry garbage collaborative full-scale treatment process system | |
| CN209721907U (en) | A kind of sludge treating system | |
| CN201882942U (en) | Power-generation turboset condenser type sea water desalinating unit | |
| CN111777251B (en) | Leachate and dry garbage collaborative full-quantization treatment process system and working method thereof | |
| CN102410550A (en) | Waste heat recovery for condensing type anti-corrosive gas/oil-fired boiler | |
| CN212450661U (en) | Potassium extraction system based on biomass combustion fly ash | |
| CN212315616U (en) | High-salt-content high-concentration organic wastewater integrated treatment system | |
| CN214060290U (en) | Novel sludge pyrohydrolysis treatment system capable of recycling carbon source | |
| CN117509785A (en) | Zero-emission and compressed air manufacturing system and method for leachate of garbage power plant | |
| CN211822344U (en) | Biomass distributed heat supply-based waste-free boiler cleaning process system | |
| CN114046506A (en) | Waste incineration waste heat utilization device and method for recycling heat of flue gas furnace slag |
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 |