CN102205343B - Integrated processing system for domestic waste and sewage of new countryside small cities, and integrated processing method thereof - Google Patents
Integrated processing system for domestic waste and sewage of new countryside small cities, and integrated processing method thereof Download PDFInfo
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- CN102205343B CN102205343B CN2011100565450A CN201110056545A CN102205343B CN 102205343 B CN102205343 B CN 102205343B CN 2011100565450 A CN2011100565450 A CN 2011100565450A CN 201110056545 A CN201110056545 A CN 201110056545A CN 102205343 B CN102205343 B CN 102205343B
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to an integrated processing system for domestic waste and sewage of new countryside small cities. The integrated processing system is characterized in that: a circulating gasifying and pyrolyzing incinerator is communicated with a secondary combustion chamber through an end gas outlet; an outlet of the secondary combustion chamber is communicated with a heat exchange device; the heat exchange device is respectively connected with the circulating gasifying and pyrolyzing incinerator and an anaerobic reaction tower through heat exchange pipes; the anaerobic reaction tower is connected with the secondary combustion chamber through a firedamp package; a smoke outlet of the heat exchange device is connected with a smoke gas absorbing and dedusting device and a chimney; energy-saving anaerobic pulse reactors are arranged in the anaerobic reaction tower; one side of the anaerobic reaction tower is provided with a liquid inlet and a sewage inlet, and the other side of the anaerobic reaction tower is connected with a aerobic pond; a tail end of the aerobic pond is provided with a water outlet. According to the present invention, partial heat generated from the domesticwaste during a secondary combustion heat exchange process is provided for the anaerobic reaction tower to accelerate the reaction; firedamp generated from the domestic waste and the sewage during a reaction process in the anaerobic reaction tower can be provided for the secondary combustion chamber as a combustion-supporting gas, such that the domestic waste and the sewage can be processed in an integrated cycle manner.
Description
Technical field
Patent of the present invention relates to a kind of rubbish and sewage disposal system and method, relates in particular to a kind of new Small Towns house refuse and integrated waste water treatment system and processing method.
Background technology
There is more than 40,000 small towns in China, and wherein the overwhelming majority does not have Environmental Protection Infrastructure, and in more than 60 ten thousand administrative villages, most pollution controls also are in space state in addition.Rural environmental protection is to be related to improve the life of farmers quality, improve the rural area looks, promote the important foundation sex work of building Socialist New.The Party Central Committee, State Council pay much attention to, and require to include it in national environmental protection total strategy, plan as a whole to advance.Current China Rural Environmental Problem is very outstanding, vast samll cities and towns and rural area development level fall behind, infrastructure construction lags behind, lack necessary sewage collecting, conveying and treatment facility, most of sewage is unprocessed directly to enter peripheral water body, become the important pollution sources of regional water environment, had a strong impact on rural area economic development and the people's productive life.Garbage disposal and sewage disposal have become the key factor that affects environmental protection, urban construction, people's lives and sustainable development in new countryside construction.
For overcoming the above problems, domestic garbage treating system and method have been invented in the practice, take the published patent name of Patent Office of State Intellectual Property Office as: small town household garbage incineration system and incinerating method (patent No.: 200910212531.6) and patent name as small town living rubbish decentralized treatment system and the processing method (patent No.: 200910212532.0) as example, though two patents are all carried out burning disposal to the house refuse of house refuse after the filter press squeezing, and the biogas that the filtrate of filtering is obtained behind anaerobic reaction carries out combustion-supporting as fuel gas to incinerator and secondary combustion chamber, utilized the heat circulation of rubbish to process, but similar patent can only be processed house refuse, need adopt other system to process to sewage; And the heat energy that burning and secondary combustion chamber produce is also underused, and has reduced anaerobic reaction speed.
Summary of the invention
Patent of the present invention is for the deficiencies in the prior art, provide a kind of and can solve waste incineration and sewage integrated treatment, and the part heat that produces in the second-time burning heat exchanging process offers the anaerobic reaction tower and adds fast response, but the biogas supplying secondary combustion chamber that produces in the anaerobic tower course of reaction makes rubbish and sewage comprehensively a kind of new life in the countryside rubbish and integrated waste water treatment system and the processing method of circulation processing as combustion-supporting gas.
For realizing above purpose, the technical scheme that patent of the present invention adopts is:
New Small Towns house refuse and integrated waste water treatment system comprise that circulating gasifying and pyrolyzing incinerator system, secondary combustion chamber, heat-exchange device, smoke absorption dust arrester, chimney, anaerobic reaction tower, energy-conservation anaerobism impulse generator, inlet, sewage import, methane pocket, Aerobic Pond form; It is characterized in that: circulating gasifying and pyrolyzing incinerator system is communicated with secondary combustion chamber by the tail gas outlet, the secondary combustion chamber outlet is communicated with heat-exchange device, heat-exchange device links to each other with the anaerobic reaction tower with circulating gasifying and pyrolyzing incinerator system respectively by heat exchanging pipe, the anaerobic reaction tower links to each other with secondary combustion chamber by methane pocket, heat-exchange device outlet flue and smoke absorption dust arrester, chimney links to each other, be provided with energy-conservation anaerobism impulse generator in the anaerobic reaction tower, anaerobic reaction tower one side is provided with inlet and sewage import, opposite side links to each other with Aerobic Pond, and the Aerobic Pond end is provided with delivery port.
Described secondary combustion chamber is provided with independently secondary air supply device.
Described smoke absorption dust arrester comprises that water-cooled dust arrester, circulating absorption tower, sack cleaner form.
Described circulating gasifying and pyrolyzing incinerator system is divided into A stove, B stove and C stove, between be communicated with by heat exchanging pipe.
New Small Towns house refuse and process for comprehensively treating sewage may further comprise the steps:
The house refuse of water content more than 75% isolated dried rubbish and filtrate after squeezing;
Above-mentioned isolated dried rubbish Manual material feeding or pay-off after the grid sorting are sent into cycle gasification dry-distillation incineration A stove, under the air that theoretical air requirement 80% is provided in body of heater, burn, dry-distillation incineration stove furnace body temperature is controlled at 850 ℃, be 6-8 hour burning time, organic completing combustion decomposition in stove, most of organic substance pyrolysis becomes fuel gas, does not have the residual gas of completing combustion to enter secondary combustion chamber by the tail gas outlet and burns; In the combustion process the waste heat that produces through blower fan outside air is blown into heat-exchange device and carries out heat exchange, after heat exchange, offer the B stove by heat exchanging pipe, the waste material that needs in the B stove to process is gasified, after waste material completing combustion in the A stove is decomposed, lighting B furnace igniting combustion-supporting begins waste material behind the B stove destructive gasifying is carried out combustion decomposition, combustion decomposition simultaneously part heat is carried out destructive gasifying by heat exchanging pipe to C stove waste material, simultaneously the A stove is cooled off 6-8 hour waste material, carried out ash discharge, reinforced wait is worked next time; At last, when C stove destructive gasifying waste material being carried out the ignition decomposition, by heat exchanging pipe the A stove of feeding is carried out the dried gasification of sauting, so loop;
Tail gas after heat exchange purifies by the smoke absorption dust arrester, then discharges by chimney;
Filtrate and sanitary sewage entered in anaerobic reaction tower and the energy-conservation anaerobism impulse generator by inlet and sewage import respectively carry out anaerobic biochemical reaction, the biogas that produces is linked to each other with secondary combustion chamber by methane pocket, carry out combustion-supporting;
The heat that produces through heat-exchange device is recycled the utilization of gasification dry-distillation incineration stove by a heat exchanging pipe part and carries out destructive gasifying; Another part heat is delivered to the anaerobic reaction tower, and temperature is controlled at more than 35 ℃;
Entering Aerobic Pond through the filtrate behind the anaerobic reaction carries out discharging behind the aerobic reaction.
Described biogas enters secondary combustion chamber by methane pocket and carries out combustion-supporting, secondary combustion chamber is provided with independently secondary air supply device, and make the second-time burning room temperature be controlled at 1100 ℃, and flue gas is fully contacted with oxygen, guarantee that simultaneously flue gas is in the holdup time of secondary combustion chamber.
Patent of the present invention has following advantage:
(1) this system not only can process the filtrate after house refuse and the squeezing, also can process sanitary sewage simultaneously, and sewage produces biogas after anaerobic reaction tower reaction, enter methane pocket and collect, then offer secondary combustion chamber as combustion-supporting source of the gas, economize on resources.
(2) heat that produces in the secondary combustion chamber combustion process is after the heat-exchange device conversion, part heat is delivered to the anaerobic reaction tower, and temperature is controlled at more than 35 ℃, can greatly improve like this speed (greatly about about three times) of anaerobic reaction, be exactly to have shortened the time of reaction and improve conversely reaction rate, namely the anaeration in normal temperature tower can dwindle much than normal temperature anaerobic tower volume, facts have proved that the anaerobism time of staying of sanitary sewage is controlled at 6 hours with the interior effect that produces biogas that just can reach.
(3) the house refuse moisture content at present a large amount of samll cities and towns and new rural area is more than 75%, will increase a large amount of combustion-supporting oil or combustion-supporting gas if adopt common pyrogenation incinerator to process, in vast rural area, adopt this burning mode not only can't bear economically, also greatly wasted the energy, do not conformed to China new forms of energy policy; And the circulating gasifying and pyrolyzing incinerator system that this patent adopts carries out work simultaneously because of A stove, B stove, the circulation of C stove, but reasonable arrangement burns time, continuous circulation closed operation, improves the comprehensive utilization ratio of fuel, need not to add in addition fuel combustion supporting and just can fully and completely decompose rubbish.
Description of drawings
Fig. 1 is patent structure schematic diagram of the present invention;
Fig. 2 is patent process chart of the present invention.
Among the figure: circulating gasifying and pyrolyzing incinerator system 1, secondary combustion chamber 2, heat-exchange device 3, smoke absorption dust arrester 4, chimney 5, inlet 6, sewage import 7, anaerobic reaction tower 8, energy-conservation anaerobism impulse generator 9, methane pocket 10, Aerobic Pond 11, delivery port 12, fire grate 13, ignition combustion-supporting machine 14, blower fan 15, air channel 16, high pressure tuyere 17, control wind system 18, tail gas outlet 19, heat exchanging pipe 20, automatic pneumatic butterfly valve 21, secondary air supply device 22.
The specific embodiment
New Small Towns house refuse and integrated waste water treatment system comprise that circulating gasifying and pyrolyzing incinerator system 1, secondary combustion chamber 2, heat-exchange device 3, smoke absorption dust arrester 4, chimney 5, inlet 6, sewage import 7, anaerobic reaction tower 8, energy-conservation anaerobism impulse generator 9, methane pocket 10, Aerobic Pond 11 form; It is characterized in that: circulating gasifying and pyrolyzing incinerator system 1 is communicated with secondary combustion chamber 2 by tail gas outlet 19, secondary combustion chamber 2 outlets are communicated with heat-exchange device 3, heat-exchange device 3 links to each other with anaerobic reaction tower 8 with circulating gasifying and pyrolyzing incinerator system 1 respectively by heat exchanging pipe 20, anaerobic reaction tower 8 links to each other with secondary combustion chamber 2 by methane pocket 10, heat-exchange device 3 outlet flues and smoke absorption dust arrester 4, chimney 5 links to each other, be provided with the energy-conservation anaerobism impulse generator 9 of many groups in the anaerobic reaction tower 8, anaerobic reaction tower 8 one sides are provided with inlet 6 and sewage import 7, opposite side links to each other with Aerobic Pond 11, Aerobic Pond 11 ends are provided with delivery port 12, secondary combustion chamber 2 is provided with independently secondary air supply device 22, and flue gas is fully contacted with oxygen.
Concrete processing procedure may further comprise the steps:
The house refuse of water content more than 75% isolated dried rubbish and filtrate after squeezing;
Above-mentioned isolated dried rubbish Manual material feeding or pay-off after the grid sorting are sent into cycle gasification dry-distillation incineration A stove 1, A stove fire grate 13 bottoms are equipped with ignition combustion-supporting machine 14 sparkings, make that trash burning takes fire on the A stove fire grate, by blower fan 15, air channel 16 provides the air of theoretical air requirement 80% in the body of heater, utilize high pressure tuyere 17 combustion residue on the fire grate 13 that air is provided, control wind system 18 is used for controlling and enters air channel 16 interior air quantity, the waste material decomposition that takes fire in the A stove, dry-distillation incineration stove furnace body temperature is controlled at 850 ℃, be 6-8 hour burning time, the residual gas that does not have completing combustion in the combustion process enters secondary combustion chamber 2 by tail gas outlet 19 and burns, in the combustion process the waste heat that produces after blower fan is blown into outside air heat-exchange device 3 and carries out heat exchange, offer the B stove by heat exchanging pipe 20, automatic pneumatic butterfly valve 21 cuts out on the C stove heat exchanging pipe 20 at this moment, the waste material that needs in the B stove to process is gasified, after waste material completing combustion in the A stove is decomposed, lighting B furnace igniting combustion-supporting begins waste material behind the B stove destructive gasifying is carried out combustion decomposition, combustion decomposition simultaneously part heat is carried out destructive gasifying by 20 pairs of C stoves of heat exchanging pipe waste material, simultaneously the A stove is cooled off 6-8 hour waste material, carried out ash discharge, reinforced wait is worked next time; At last, when C stove destructive gasifying waste material being carried out ignition and decompose, carry out the dried gasification of sauting by 20 pairs of the heat exchanging pipes A stove of having feeded, so loop;
Tail gas after heat exchange purifies by smoke absorption dust arrester 4, then discharges by chimney 5;
Filtrate and sanitary sewage entered in anaerobic reaction tower 8 and the energy-conservation anaerobism impulse generator 9 by inlet 6 and sewage import 7 respectively carry out anaerobic biochemical reaction, the biogas that produces is linked to each other with secondary combustion chamber 2 by methane pocket 10, carry out combustion-supporting, secondary combustion chamber 2 is provided with independently secondary air supply device 22, and make secondary combustion chamber 2 temperature be controlled at 1100 ℃, flue gas is fully contacted with oxygen, guarantee that simultaneously flue gas is in the holdup time of secondary combustion chamber 2.
The heat that produces through heat-exchange device 3 is recycled gasification dry-distillation incineration stove 1 by heat exchanging pipe 20 parts and utilizes and carry out destructive gasifying; Another part heat is delivered to anaerobic reaction tower 8, and temperature is controlled at more than 35 ℃.
After entering Aerobic Pond 11 to carry out aerobic reaction, the filtrate behind the anaerobic reaction discharges from delivery port 12.
Claims (2)
1. new Small Towns house refuse and process for comprehensively treating sewage may further comprise the steps:
The house refuse of water content more than 75% isolated dried rubbish and filtrate after squeezing;
Above-mentioned isolated dried rubbish Manual material feeding or pay-off after the grid sorting are sent into cycle gasification dry-distillation incineration A stove, under the air that theoretical air requirement 80% is provided in body of heater, burn, dry-distillation incineration stove furnace body temperature is controlled at 850 ℃, be 6-8 hour burning time, organic completing combustion decomposition in stove, most of organic substance pyrolysis becomes fuel gas, does not have the residual gas of completing combustion to enter secondary combustion chamber by the tail gas outlet and burns; In the combustion process the waste heat that produces through blower fan outside air is blown into heat-exchange device and carries out heat exchange, after heat exchange, offer the B stove by heat exchanging pipe, the waste material that needs in the B stove to process is gasified, after waste material completing combustion in the A stove is decomposed, lighting B furnace igniting combustion-supporting begins waste material behind the B stove destructive gasifying is carried out combustion decomposition, combustion decomposition simultaneously part heat is carried out destructive gasifying by heat exchanging pipe to C stove waste material, simultaneously the A stove is cooled off 6-8 hour waste material, carried out ash discharge, reinforced wait is worked next time; At last, when C stove destructive gasifying waste material being carried out the ignition decomposition, by heat exchanging pipe the A stove of feeding is carried out the dried gasification of sauting, so loop;
Tail gas after heat exchange purifies by the smoke absorption dust arrester, then discharges by chimney;
Filtrate and sanitary sewage entered in anaerobic reaction tower and the energy-conservation anaerobism impulse generator by inlet and sewage import respectively carry out anaerobic biochemical reaction, the biogas that produces is linked to each other with secondary combustion chamber by methane pocket, carry out combustion-supporting;
The heat that produces through heat-exchange device is recycled the utilization of gasification dry-distillation incineration stove by a heat exchanging pipe part and carries out destructive gasifying; Another part heat is delivered to the anaerobic reaction tower, and temperature is controlled at more than 35 ℃;
Entering Aerobic Pond through the filtrate behind the anaerobic reaction carries out discharging behind the aerobic reaction.
2. new Small Towns house refuse according to claim 1 and process for comprehensively treating sewage, it is characterized in that: secondary combustion chamber is provided with independently secondary air supply device, and makes the second-time burning room temperature be controlled at 1100 ℃.
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| CN2011100565450A CN102205343B (en) | 2011-03-04 | 2011-03-04 | Integrated processing system for domestic waste and sewage of new countryside small cities, and integrated processing method thereof |
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| CN2011100565450A CN102205343B (en) | 2011-03-04 | 2011-03-04 | Integrated processing system for domestic waste and sewage of new countryside small cities, and integrated processing method thereof |
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| CN102205343B true CN102205343B (en) | 2013-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874975A (en) * | 2012-05-10 | 2013-01-16 | 江南大学 | High-efficiency treatment system for sanitary sewage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108906846A (en) * | 2018-06-22 | 2018-11-30 | 四川先舟建设工程有限公司 | It is a kind of to live and construction refuse resource utilization process |
| CN109433779B (en) * | 2018-08-29 | 2022-03-08 | 枣庄科技职业学院 | Novel household garbage renewable treatment plant system |
| CN114853262B (en) * | 2022-04-14 | 2023-05-23 | 陕西善清环境科技有限公司 | Multi-energy cooperative heating sewage integrated treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3764578B2 (en) * | 1998-03-06 | 2006-04-12 | 株式会社タクマ | Waste carbonization pyrolysis melting combustion equipment |
| CN101382287B (en) * | 2008-10-27 | 2010-06-09 | 浙江工商大学 | House refuse disposal system in countryside |
| CN101706107A (en) * | 2009-11-12 | 2010-05-12 | 邵志军 | Burning system and burning method of household wastes in small towns |
| CN101704014B (en) * | 2009-11-12 | 2012-09-05 | 邵志军 | Dispersed disposal system and disposal method of household wastes in small towns |
| CN202079074U (en) * | 2011-03-04 | 2011-12-21 | 李洪芳 | Household garbage and sewage integral treatment system for new countrysides and small towns |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102874975A (en) * | 2012-05-10 | 2013-01-16 | 江南大学 | High-efficiency treatment system for sanitary sewage |
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