CN203487117U - Device for producing natural gas by household garbage - Google Patents
Device for producing natural gas by household garbage Download PDFInfo
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- CN203487117U CN203487117U CN201320598782.4U CN201320598782U CN203487117U CN 203487117 U CN203487117 U CN 203487117U CN 201320598782 U CN201320598782 U CN 201320598782U CN 203487117 U CN203487117 U CN 203487117U
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Abstract
The utility model relates to the field of garbage treatment, in particular to a device for producing natural gas by household garbage. The device comprises a remote anti-explosion general control island, a garbage classification island, a methane island, a marsh gas island, a marsh gas separation island, a natural gas island, a CO2 circulating island and a carbon black island, wherein the garbage classification island is connected with the methane island and the marsh gas island; the marsh gas island is connected with the marsh gas separation island; the methane island and the marsh gas island are connected with the natural gas island and are also connected with the CO2 circulating island; the CO2 circulating island is connected with the carbon black island; the carbon black island is connected with the methane island. The device for producing the natural gas by the household garbage has the beneficial effects that the device is suitable for large-scale treatment of the household garbage and can fulfill the aim that 3,000-30,000 tonnages of garbage can be treated every day; the area occupied by equipment can be reduced, and the equipment can be connected to form a circulating system; the indexes such as safety, gas pressure and temperature of the equipment can be remotely monitored and operated; the safety is greatly improved.
Description
Technical field
The utility model relates to refuse treatment field, relates in particular to domestic refuse preparing natural gas device.
Background technology
Along with the fast development of Re-search on Urbanization, garbage-surrounded city phenomenon is more and more serious.Meanwhile, along with the further in-depth of China to topsoil and PM2.5 control action, the simple burning electricity generation of domestic waste will be eliminated.
The major defect of the simple burning electricity generation technology of existing domestic refuse: the one, Dioxins (comprising muriate), oxynitride, oxysulfide, dust and stink, other harmful pollutents such as organic gas impact on surrounding enviroment, cause that resident is difficult to the Psychological phobia of getting rid of in the neighbourhood, cause resentment, make waste incineration and generating electricity project site selection difficulty; The 2nd, facility investment is large, and deficiency in economic performance maintains spending and profit by waste disposal fee; The 3rd, small scale, can not adapt to large medium Reducing Municipal Solid Waste recycling treatment.
Domestic refuse plasma gasification is processed, and be a kind of more advanced processing mode, but the treatment capacity of existing technology is little.As the maximum separate unit day output of the use plasma body domestic garbage gasification treatment facilities such as the current U.S., Japan, Canada can only be processed 110 tons, and expense is large.And China's generating capacity of large medium domestic waste day is huge: as 20,000 tons, Shanghai, and Beijing 1.8 ten thousand, 1.8 ten thousand tons, Guangzhou, is difficult to select external existing technology.
Utility model content
The utility model is to overcome above-mentioned weak point, object is to provide domestic refuse preparing natural gas device, overcome the defect of the simple burning electricity generation technology of existing domestic refuse, realize the near zero release of flue gas principal pollutant, production high added value Sweet natural gas and carbon black product, process domestic refuse on a large scale.
The utility model is to achieve the above object by the following technical programs: domestic refuse preparing natural gas device, comprising: long-range explosion-proof master control island, refuse classification island, methane island, biogas island, biogas detached island, Sweet natural gas island, CO2 circulation island, carbon black island; Described refuse classification island is connected with methane island, biogas island; Biogas island is connected with biogas detached island; Methane island, biogas detached island are connected with Sweet natural gas island; Methane island, biogas detached island are connected with CO2 circulation island; CO2 circulation island is connected with carbon black island; Carbon black island is connected with methane island.
As preferably, described methane island comprises: screw compression vacuum feed appliance, long-range explosion-proof plasma generator, H2 multiple gun vapourizing furnace processed, overheated boiler, heat exchanger, water vapor tank, CO multiple gun catalyst furnace processed, cleaner, H2 separator, CO2 deoxygenator, methane synthesizer, CO separator, described refuse classification pulverizer is connected with screw compression vacuum feed appliance by rubbish conveying belt, and H2 multiple gun vapourizing furnace processed, CO multiple gun catalyst furnace processed top are provided with screw compression vacuum feed appliance, described H2 multiple gun vapourizing furnace processed top is provided with opening and is connected with overheated boiler, bottom is connected with long-range explosion-proof plasma generator, overheated boiler one end is communicated with long-range explosion-proof plasma generator by water vapor tank, the overheated boiler the other end supplies generating set to work by steam turbine, overheated boiler also has one end to be connected with heat exchanger, heat exchanger and long-range explosion-proof plasma generator, cleaner, CO2 circulation island CO2 tank, CO2 deoxygenator connects, cleaner is connected with H2 separator, H2 separator bottom is connected with CO2 circulation island CO2 tank, H2 separator top is connected with H2 tank, H2 tank is connected with methane synthesizer, described CO multiple gun catalyst furnace processed top is provided with opening and is connected with heat exchanger, bottom is connected with long-range explosion-proof plasma generator, heat exchanger is connected with long-range explosion-proof plasma generator, cleaner, CO separator, CO separator is connected with cleaner, methane synthesizer, and methane synthesizer is also connected with Sweet natural gas island CH4 tank.
As preferably, described biogas island comprises: garbage organism is pulverized feed appliance, fermentation vat, marsh gas purifying separator, H2S desulfurization separator, sulphur processing and packing line, N2 storage tank, long-range explosion-proof monitoring sensor, remote pressure sensor, fermented liq opening for feed, fermentation vat top humiture acidity monitor, fermentation vat bottom humiture acidity monitor, natural pond slag treater, natural pond liquid pool; Described refuse classification pulverizer is pulverized feed appliance by garbage organism organic matter rubbish is transported to fermentation vat, the methane outlet at fermentation vat top is connected with marsh gas purifying separator, marsh gas purifying separator is connected with CO2 circulation island CO2 tank, H2 tank, Sweet natural gas island CH4 tank, H2S desulfurization separator, N2 storage tank, and H2S desulfurization separator is connected with sulphur processing and packing line; Fermentation vat is provided with fermented liq opening for feed, and fermentation vat bottom is communicated with natural pond slag treater, and fermentation vat bottom is communicated with natural pond liquid pool, and natural pond liquid pool is connected with fermented liq opening for feed; Long-range explosion-proof monitoring sensor, remote pressure sensor, fermentation vat top humiture acidity monitor, fermentation vat bottom humiture acidity monitor are carried out long-range explosion-proof, pressure, temperature, pH value monitoring to fermentation vat.
As preferably, described H2 multiple gun vapourizing furnace processed comprises: furnace shell, plasma gun, plasma burner, multi-nozzle plasma burner, dryer section, gasification fugitive constituent section, cracking reduction section, burning zone, burning segment, outlet pipe, online explosion-proof monitoring device, clinker groove falls, mesh stainless steel plate, described furnace shell top is connected with screw compression vacuum feed appliance, furnace shell bottom is provided with plasma gun from top to bottom successively, plasma burner, multi-nozzle plasma burner, multi-nozzle plasma burner is provided with mesh stainless steel plate, in furnace shell, be provided with successively from top to bottom dryer section, gasification fugitive constituent section, cracking reduction section, burning zone, burning segment, furnace shell top is provided with outlet pipe, outlet pipe is connected with gasifying gas outlet, in furnace shell, be also provided with clinker groove, the clinker groove that falls is provided with automatic-sealed ash discharge cinder notch, described online explosion-proof monitoring device detects furnace pressure, temperature, reactant gases composition.
As preferably, described CO multiple gun catalyst furnace processed comprises: furnace shell, plasma gun, plasma burner, multi-nozzle plasma burner, dryer section, gasification fugitive constituent section, cracking reduction section, burning zone, burning segment, outlet pipe, online explosion-proof monitoring device, clinker groove falls, mesh stainless steel plate, described furnace shell top is connected with screw compression vacuum feed appliance, furnace shell bottom is provided with plasma gun from top to bottom successively, plasma burner, multi-nozzle plasma burner, multi-nozzle plasma burner is provided with mesh stainless steel plate, in furnace shell, be provided with successively from top to bottom dryer section, gasification fugitive constituent section, cracking reduction section, burning zone, burning segment, furnace shell top is provided with outlet pipe, outlet pipe is connected with gasifying gas outlet, in furnace shell, be also provided with clinker groove, the clinker groove that falls is provided with automatic-sealed ash discharge cinder notch, described online explosion-proof monitoring device detects furnace pressure, temperature, reactant gases composition.
As preferably, described methane synthesizer comprises: high-voltage pulse power source, pulse former, isolator, electrode catalyst core, water cooler, cooling water tank, the jet pipe of speaking out of turn, described methane synthesizer shell top is provided with isolator, isolator is provided with electrode catalyst core, one end that isolator stretches out methane synthesizer shell outside is connected with pulse former, pulse former is connected with high-voltage pulse power source, methane synthesizer shell is also connected with water cooler, water cooler and Sweet natural gas island CH4 tank, cooling water tank connects, methane synthesizer shell bottom is provided with the jet pipe of speaking out of turn, the jet pipe of speaking out of turn is connected with CO separator, described methane synthesizer is also connected with H2 tank.
As preferably, described CO2 deoxygenator comprises: high-voltage pulse power source, pulse former, isolator, electrode catalyst core, CO2 speak out of turn jet pipe, O2 tank, described CO2 deoxygenator top is connected with O2 tank, CO2 deoxygenator shell top is provided with isolator, isolator is provided with electrode catalyst core, one end that isolator stretches out CO2 deoxygenator shell outside is connected with pulse former, pulse former is connected with high-voltage pulse power source, CO2 deoxygenator shell bottom is provided with the CO2 jet pipe of speaking out of turn, the CO2 jet pipe of speaking out of turn is connected with CO2 circulation island CO2 tank, and CO2 deoxygenator bottom is connected with carbon black package line.
As preferably, described methane synthesizer is that high-voltage pulse methane synthesizer or thermal plasma are combined methane synthesizer with high-voltage pulse.
As preferably, the plasma power of described plasma gun, plasma burner, multi-nozzle plasma burner is that 0.1-10MW, carrier wind pressure are 5-100Kpa.
The beneficial effects of the utility model are: the utility model is applicable to process on a large scale domestic refuse, can complete the target of day output 3000-30000 ton domestic refuse; When can reduce occupation area of equipment, realize equipment connection and become the recycle system; Can remote monitoring and the index such as safety of operating equipment, air pressure, temperature, greatly improve security.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation on methane island;
Fig. 3 is the structural representation of H2 multiple gun vapourizing furnace processed;
Fig. 4 is the structural representation of high-voltage pulse methane synthesizer;
Fig. 5 is that thermal plasma is combined the structural representation of methane synthesizer with high-voltage pulse;
Fig. 6 is the structural representation of CO2 deoxygenator;
Fig. 7 is the structural representation on biogas island.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further, but protection domain of the present utility model is not limited in this:
Embodiment 1: embodiment 1: domestic refuse can be one or more in industrial and agricultural waste, coal, stalk, organic matter, waste paper, plastic waste, specifically comprise organic matter rubbish and inorganics rubbish, therefore need to be to its processing of classifying, as shown in Figure 1, domestic refuse preparing natural gas device, comprising: long-range explosion-proof total controlling/monitoring cabinet 1, refuse classification pulverizer 2, methane island, biogas island, CO2 circulation island CO2 tank 13, H2 tank 14, Sweet natural gas island CH4 tank 16; Described refuse classification pulverizer 2 is connected with methane island, biogas island, and methane island, biogas island are connected with CO2 circulation island CO2 tank 13, H2 tank 14, Sweet natural gas island CH4 tank 16.
As shown in Figure 2, methane island, comprise: rubbish conveying belt 3, screw compression vacuum feed appliance 4, long-range explosion-proof plasma generator 5, H2 multiple gun vapourizing furnace 6 processed, overheated boiler 7, steam turbine 8, generating set 9, heat exchanger 18, water vapor tank 10, CO multiple gun catalyst furnace 19 processed, cleaner 11, H2 separator 12, CO2 deoxygenator 20, methane synthesizer 15, CO separator 17, carbon black package line 21, described refuse classification pulverizer 2 is connected with screw compression vacuum feed appliance 4 by rubbish conveying belt 3, H2 multiple gun vapourizing furnace 6 processed, CO multiple gun catalyst furnace processed 19 tops are provided with screw compression vacuum feed appliance 4, described H2 multiple gun vapourizing furnace processed 6 tops are provided with opening and are connected with overheated boiler 7, bottom is connected with long-range explosion-proof plasma generator 5, overheated boiler 7 one end are communicated with long-range explosion-proof plasma generator 5 by water vapor tank 10, overheated boiler 7 the other ends are worked for generating set 9 by steam turbine 8, overheated boiler 7 also has one end to be connected with heat exchanger 18, heat exchanger 18 and long-range explosion-proof plasma generator 5, cleaner 11, CO2 circulation island CO2 tank 13, CO2 deoxygenator 20 connects, cleaner 11 is connected with H2 separator 12, H2 separator 12 bottoms are connected with CO2 circulation island CO2 tank 13, H2 separator 12 tops are connected with H2 tank 14, H2 tank 14 is connected with methane synthesizer 15, described CO multiple gun catalyst furnace processed 19 tops are provided with opening and are connected with heat exchanger 18, bottom is connected with long-range explosion-proof plasma generator 5, heat exchanger 18 is connected with long-range explosion-proof plasma generator 5, cleaner 11, CO separator 17, CO separator 17 is connected with cleaner 11, methane synthesizer 15, and methane synthesizer 15 is also connected with Sweet natural gas island CH4 tank 16.
Based on said apparatus, realizing domestic refuse process for producing natural comprises the following steps:
The first step, open long-range explosion-proof total controlling/monitoring cabinet 1 and other each system power supply switch successively, open long-range explosion-proof plasma generator 5, H2 multiple gun vapourizing furnace 6 processed, CO multiple gun catalyst furnace processed 19 recirculated waters and overheated boiler 7 induction valve doors;
Second step, fetch boiling water vapor can 10, CO2 circulation island CO2 tank 13, CO2 deoxygenator 20 valves successively, to long-range explosion-proof plasma generator 5, carry required H2O, CO2 and O2, and H2O, CO2 and O2 are excited into and have highly active plasma state, send into H2 multiple gun vapourizing furnace 6 processed and carry out gasification reaction with rubbish;
The 3rd step, by the rubbish crushing through refuse classification pulverizer 2, by rubbish conveying belt 3, deliver to screw compression vacuum feed appliance 4, deliver to H2 multiple gun vapourizing furnace 6 processed and carry out vaporizing system H2;
The 4th step, the gas of H2 multiple gun vapourizing furnace processed 6 gasification reactions is sent into overheated boiler 7, the a part of steam producing send steam turbine 8, generating set 9 to generate electricity, and a part of steam send water vapor tank 10 to supply H2 multiple gun vapourizing furnace 6 H2 processed processed for long-range explosion-proof plasma generator 5;
The 5th step, H2 processed: send cleaner 11 to purify after de-dirt, desulfurization, dechlorination, denitration the gasifying gas through heat boiler 7 coolings, send H2 separator 12 to carry out separation, wherein:
H2 send H2 tank 14 through logical hydrogen molecule sieve, carries out methane synthesize for methane synthesizer 15;
The CO2 separating send CO2 circulation island CO2 tank 13, and a part of CO2 send long-range explosion-proof plasma generator 5 for H2 multiple gun vapourizing furnace 6 H2 processed processed through heat exchanger 18 preheatings; Part CO2 send CO2 deoxygenator 20 de-O2, and O2 send long-range explosion-proof plasma generator 5 for H2 multiple gun vapourizing furnace 6 H2 processed processed through heat exchanger 18 preheatings; The C obtaining after de-O2, send carbon black pack-thread 21 packings to sell as carbon black product, also can be used as C source and mixes into rubbish and send together H2 multiple gun vapourizing furnace 6 cycle gasifications uses processed to;
The 6th step, CO processed: through heat exchanger 18 preheatings, send long-range explosion-proof plasma generator 5 to send next refuse gasification CO processed to for CO multiple gun catalyst furnace 19 processed and screw compression vacuum feed appliance 4 CO2, O2;
The 7th step, send CO separator 17 separation after sending cleaner 11 to purify the CO gas of CO multiple gun catalyst furnace 19 processed, CO send methane synthesizer 15 to react methane processed with H2; Separated CO2 recycles for CO multiple gun catalyst furnace 19 processed;
The 8th step, by the synthetic CH4 of methane synthesizer 15, through cooled dehydrated or liquefaction, send Sweet natural gas island CH4 tank 16 storage application after processed;
Fig. 3 is H2 multiple gun vapourizing furnace process structure schematic diagram processed, and described H2 multiple gun vapourizing furnace 6 processed comprises: furnace shell 22, plasma gun 23, plasma burner 24, multi-nozzle plasma burner 25, dryer section 26, gasification fugitive constituent section 27, cracking reduction section 28, burning zone 29, burning segment 30, outlet pipe 31, gasifying gas outlet 32, online explosion-proof monitoring device 33, clinker groove 34 falls, automatic-sealed ash discharge cinder notch 35, mesh stainless steel plate 36, described furnace shell 22 tops are connected with screw compression vacuum feed appliance 4, and furnace shell 22 bottoms are provided with plasma gun 23 from top to bottom successively, plasma burner 24, multi-nozzle plasma burner 25, multi-nozzle plasma burner 25 is provided with mesh stainless steel plate 36, is provided with successively from top to bottom dryer section 26 in furnace shell 22, gasification fugitive constituent section 27, cracking reduction section 28, burning zone 29, burning segment 30, furnace shell 22 tops are provided with outlet pipe 31, and outlet pipe 31 is connected with gasifying gas outlet 32, is also provided with clinker groove 34 in furnace shell 22, and the clinker groove 34 that falls is provided with automatic-sealed ash discharge cinder notch 35, described online explosion-proof monitoring device 33 detects furnace pressure, temperature, reactant gases composition.
Implementation step:
The first step: open plasma rifle 23, plasma burner 24, multi-nozzle plasma burner 25 recirculated waters and power switch successively, and carrier wind switch, online explosion-proof monitoring device 33 switches;
Second step: open screw compression vacuum feed appliance 4 valves, to grind up the refuse and send in H2 multiple gun vapourizing furnace 5 processed, drying section 26, gasification fugitive constituent section 27, cracking reduction section 28, burning zone 29, burning segment 30 complete refuse gasification and react with H2 processed, through outlet pipe 31 and gasifying gas outlet 32, send H2 synthesis gas;
Preferably plasma gun 23 is 1 layer or multilayer, 1 every layer or branched composition, and carrier wind be take CO2 as main;
Preferably plasma burner 24 is 1 layer or 2 layers, 3 layers, 1 every layer or branched composition, and carrier wind is CO2+H2O;
Preferably multi-nozzle plasma burner 25 is 1 layer or 2 layers, 1 every layer or branched composition, carrier wind CO2+O2;
The plasma power of preferred every plasma gun 23, plasma burner 24, multi-nozzle plasma burner 25 is 0.1-10MW;
Preferably the carrier wind pressure of plasma gun 23, plasma burner 24, multi-nozzle plasma burner 25 is 5-100Kpa;
In order to reduce the energy consumption of plasma gun 23, plasma burner 24, multi-nozzle plasma burner 25 plasma bodys, burning coking material, for vapourizing furnace directly increases and 90% above Carbureted heat energy is provided, change the single mode that heat energy is provided by plasma power of existing technology;
The 3rd step: open clinker groove 34 bottom automatic-sealed ash discharge cinder notch 35 lime-ash is discharged;
The 4th step: by pressure, temperature, the reactant gases composition of online explosion-proof monitoring device 33 records, regulate the flow of plasma gun 23, plasma burner 24, multi-nozzle plasma burner 25 carrier winds, make it to reach the optimum gas chemical industry condition effect of setting.
CO multiple gun catalyst furnace 19 device technique structures processed of the present invention are basic identical with H2 multiple gun vapourizing furnace 6 processed, and difference does not just have H2O in carrier wind.
Preferably the carrier wind of long-range explosion-proof plasma generator 5 system CO multiple gun catalyst furnaces 19 is CO2, O2.
Fig. 4 is high-voltage pulse methane synthesizer process structure schematic diagram, high-voltage pulse methane synthesizer is by high-voltage pulse power source 37, pulse former 38, isolator 39, electrode catalyst core 40, water cooler 41, cooling water tank 42, speak out of turn jet pipe 43 of CO forms, described methane synthesizer shell top is provided with isolator 39, isolator 39 is provided with electrode catalyst core 40, one end that isolator 39 stretches out methane synthesizer shell outside is connected with pulse former 38, pulse former 38 is connected with high-voltage pulse power source 37, methane synthesizer shell is also connected with water cooler 41, water cooler 41 and Sweet natural gas island CH4 tank 16, cooling water tank 42 connects, methane synthesizer shell top is connected with H2 tank 14, methane synthesizer shell bottom is provided with the CO jet pipe 43 of speaking out of turn, the CO jet pipe 43 of speaking out of turn is connected with CO tank 17.
Implementation step:
The first step: it is Primary Catalysts that electrode catalyst core 40 and methane synthesizer shell inwall are coated to Ni, Fe;
The material of preferred electrode catalysis core 40 and methane synthesizer shell inwall is stainless steel;
Preferred electrode catalysis core 40 shape honeycomb fashion or screen plates, or honeycomb tubular type or web plate tubular type;
Second step: open high-voltage pulse power source 37 and pulse former 38 switches;
Preferably high-voltage pulse power source output voltage is 20-120KV, direct current superposition 200-1000KV;
Preferred pulse electric current 2-100A;
Preferred pressure is normal pressure;
The 3rd step: open H2 tank 14 and CO tank 17 valves, CO+H2 is completed to building-up reactions in methane synthesizer 15 under the effect of high-voltage pulse.
Preferably CO speaks out of turn, and to send pressure with H2 tank 14 be 10-100Kpa to jet pipe 43.
Implementation step:
The first step: it is Primary Catalysts that electrode catalyst core 40 and methane synthesizer shell inwall are coated to Ni, Fe;
The material of preferred electrode catalysis core 40 and methane synthesizer shell inwall inwall is stainless steel;
Preferred electrode catalysis core 40 shape honeycomb fashion or screen plates, or honeycomb tubular type or web plate tubular type;
Second step: open high-voltage pulse power source 37 and pulse former 38 switches;
Preferably high-voltage pulse power source 37 output voltages are 20-120KV, direct current superposition 200-1000KV;
Preferred pulse electric current 2-100A;
Preferred pressure is normal pressure;
The 3rd step: open H2 tank 14 and CO tank 17 valves, the CO in CO tank 17 is sent in methane synthesizer 15 and completes building-up reactions after sending into multi-nozzle plasma burner 25 together with H2 in H2 tank 14.
Preferably the power supply volts DS of multi-nozzle plasma burner 25 is 380-500V;
Preferably multi-nozzle plasma burner 25 is one or more layers.Every layer is comprised of one or more.
As shown in Figure 6, described CO2 deoxygenator 20 comprises: high-voltage pulse power source 37, pulse former 38, isolator 39, electrode catalyst core 40, the CO2 jet pipe 45 of speaking out of turn, O2 tank 44, described CO2 deoxygenator shell top is connected with O2 tank 44, CO2 deoxygenator shell top is provided with isolator 39, isolator 39 is provided with electrode catalyst core 40, one end that isolator 39 stretches out CO2 deoxygenator shell outside is connected with pulse former 38, pulse former 38 is connected with high-voltage pulse power source 37, CO2 deoxygenator shell bottom is provided with the CO2 jet pipe 45 of speaking out of turn, the CO2 jet pipe 45 of speaking out of turn is connected with CO2 circulation island CO2 tank 13, CO2 deoxygenator shell bottom is connected with carbon black package line 21.
Implementation step:
The first step: it is Primary Catalysts that electrode catalyst core 40 and CO2 deoxygenator shell inwall are coated to Ni, Fe;
Preferred electrode catalysis core 40 is one group for one or more;
Preferred electrode catalysis core 40 is 1 group or many groups, between every group and be unified into 1 layer, or multilayer;
Second step: open high-voltage pulse power source 37 and pulse former 38 switches;
Preferably high-voltage pulse power source 37 output voltages are 20-120KV, direct current superposition 200-1000KV;
Preferred pulse electric current 2-100A;
Preferred pressure is normal pressure;
The 3rd step: open CO2 circulation island CO2 tank 13 valves, CO2 is completed in CO2 deoxygenator 20 under the effect of high-voltage pulse to de-O2 reaction;
The 4th step: send O2 tank 44 for recycling the O2 of CO2 deoxygenator 20 separation, the C obtaining after de-O2 send carbon black pack-thread 21 packings to sell as carbon black product, also can be used as C source and mixes into rubbish and send together H2 multiple gun vapourizing furnace 6 cycle gasifications uses processed to.
Fig. 7 is the structural representation on biogas island, comprising: garbage organism is pulverized feed appliance 47, fermentation vat 48, marsh gas purifying separator 49, H2S desulfurization separator 50, sulphur processing and packing line 51, N2 storage tank 52, long-range explosion-proof monitoring sensor 53, remote pressure sensor 54, fermented liq opening for feed 55, fermentation vat top humiture acidity monitor 56, fermentation vat bottom humiture acidity monitor 57, natural pond slag treater 58, natural pond liquid pool 46; Described refuse classification pulverizer 2 is pulverized feed appliance 47 by garbage organism organic matter rubbish is transported to fermentation vat 48, the methane outlet at fermentation vat 48 tops is connected with marsh gas purifying separator 49, marsh gas purifying separator 49 is connected with CO2 circulation island CO2 tank 13, H2 tank 14, Sweet natural gas island CH4 tank 16, H2S desulfurization separator 50, N2 storage tank 52, and H2S desulfurization separator 50 is connected with sulphur processing and packing line 51; Fermentation vat 48 is provided with fermented liq opening for feed 55, and fermentation vat 48 bottoms are communicated with natural pond slag treater 58, and fermentation vat 48 bottoms are communicated with natural pond liquid pool 46, and natural pond liquid pool 46 is connected with fermented liq opening for feed 55; Long-range explosion-proof monitoring sensor 53, remote pressure sensor 54, fermentation vat top humiture acidity monitor 56,57 pairs of fermentation vats of fermentation vat bottom humiture acidity monitor 48 carried out long-range explosion-proof, pressure, temperature, pH value monitoring.
Concrete implementation step:
The first step: open successively long-range explosion-proof master control island power switch, long-range explosion-proof monitoring sensor 53, remote pressure sensor 54, fermentation vat top humiture acidity monitor 56, fermentation vat bottom humiture acidity monitor 57 power switches, rubbish fermentation is carried out to long-range explosion-proof, pressure, temperature, pH value monitoring;
Second step: organic matter rubbish is pulverized after feed appliance 47 is pulverized and sent fermentation vat 48 fermentations to through garbage organism, and send fermented liquid (clear water, natural pond liquid) to fermentation vat 48 through fermented liq opening for feed 55;
Preferably fermentation vat 48 quantity are one or more;
Preferably fermentation vat 48 structures are Steel Concrete;
Preferably fermentation vat 48 profiles are vertical egg shape, high 3-80 meters, 2-65 meters of maximum inner diameters, and agitator is established in centre;
The 3rd step: send marsh gas purifying separator 49 purification separation biogas, wherein CO2 SongCO2Xun island CO2 tank 13, H2 send H2 storage tank 14, CH4 send Sweet natural gas island CH4 tank 16, N2 send N2 storage tank 52 or directly discharge, and H2S send H2S desulfurization separator 50, and the H2 after desulfurization send H2 storage tank, S after desulfurization send sulphur processing and packing line 51, or is processed into sulfuric acid product;
The 4th step: Zha Song natural pond, the natural pond slag treater 58 after methane-generating pit 48 fermentations is processed, and the natural pond slag after processing can be made fertilizer;
The 5th step: Ye Song natural pond, the natural pond liquid pool 46 after methane-generating pit 48 fermentations is concentrated, sent fermented liq opening for feed 55 recycles.
Long-range explosion-proof master control island complete monitoring, record pressure, temperature, reactant gases composition in whole technical process, for reaction provides safe, controlled technical guarantee.
Described in above, be specific embodiments of the invention and the know-why used, if the change of doing according to conception of the present invention, when its function producing does not exceed spiritual that specification sheets and accompanying drawing contain yet, must belong to protection scope of the present invention.
Claims (9)
1. domestic refuse preparing natural gas device, is characterized in that comprising: long-range explosion-proof master control island, refuse classification island, methane island, biogas island, biogas detached island, Sweet natural gas island, CO2 circulation island, carbon black island; Described refuse classification island is connected with methane island, biogas island; Biogas island is connected with biogas detached island; Methane island, biogas detached island are connected with Sweet natural gas island; Methane island, biogas detached island are connected with CO2 circulation island; CO2 circulation island is connected with carbon black island; Carbon black island is connected with methane island.
2. domestic refuse preparing natural gas device according to claim 1, it is characterized in that, described methane island comprises: screw compression vacuum feed appliance (4), long-range explosion-proof plasma generator (5), H2 multiple gun vapourizing furnace processed (6), overheated boiler (7), heat exchanger (18), water vapor tank (10), CO multiple gun catalyst furnace processed (19), cleaner (11), H2 separator (12), CO2 deoxygenator (20), methane synthesizer (15), CO separator (17), described refuse classification pulverizer (2) is connected with screw compression vacuum feed appliance (4) by rubbish conveying belt (3), and H2 multiple gun vapourizing furnace processed (6), CO multiple gun catalyst furnace processed (19) top are provided with screw compression vacuum feed appliance (4), described H2 multiple gun vapourizing furnace processed (6) top is provided with opening and is connected with overheated boiler (7), bottom is connected with long-range explosion-proof plasma generator (5), overheated boiler (7) one end is communicated with long-range explosion-proof plasma generator (5) by water vapor tank (10), overheated boiler (7) the other end is worked for generating set (9) by steam turbine (8), overheated boiler (7) also has one end to be connected with heat exchanger (18), heat exchanger (18) and long-range explosion-proof plasma generator (5), cleaner (11), CO2 circulation island CO2 tank (13), CO2 deoxygenator (20) connects, cleaner (11) is connected with H2 separator (12), H2 separator (12) bottom is connected with CO2 circulation island CO2 tank (13), H2 separator (12) top is connected with H2 tank (14), H2 tank (14) is connected with methane synthesizer (15), described CO multiple gun catalyst furnace processed (19) top is provided with opening and is connected with heat exchanger (18), bottom is connected with long-range explosion-proof plasma generator (5), heat exchanger (18) is connected with long-range explosion-proof plasma generator (5), cleaner (11), CO separator (17), CO separator (17) is connected with cleaner (11), methane synthesizer (15), and methane synthesizer (15) is also connected with Sweet natural gas island CH4 tank (16).
3. domestic refuse preparing natural gas device according to claim 1, it is characterized in that, described biogas island comprises: garbage organism is pulverized feed appliance (47), fermentation vat (48), marsh gas purifying separator (49), H2S desulfurization separator (50), sulphur processing and packing line (51), N2 storage tank (52), long-range explosion-proof monitoring sensor (53), remote pressure sensor (54), fermented liq opening for feed (55), fermentation vat top humiture acidity monitor (56), fermentation vat bottom humiture acidity monitor (57), natural pond slag treater (58), natural pond liquid pool (46), described refuse classification pulverizer (2) is pulverized feed appliance (47) by garbage organism organic matter rubbish is transported to fermentation vat (48), the methane outlet at fermentation vat (48) top is connected with marsh gas purifying separator (49), marsh gas purifying separator (49) is connected with CO2 circulation island CO2 tank (13), H2 tank (14), Sweet natural gas island CH4 tank (16), H2S desulfurization separator (50), N2 storage tank (52), and H2S desulfurization separator (50) is connected with sulphur processing and packing line (51), fermentation vat (48) is provided with fermented liq opening for feed (55), and fermentation vat (48) bottom is communicated with natural pond slag treater (58), and fermentation vat (48) bottom is communicated with natural pond liquid pool (46), and natural pond liquid pool (46) is connected with fermented liq opening for feed (55), long-range explosion-proof monitoring sensor (53), remote pressure sensor (54), fermentation vat top humiture acidity monitor (56), fermentation vat bottom humiture acidity monitor (57) are carried out long-range explosion-proof, pressure, temperature, pH value monitoring to fermentation vat (48).
4. domestic refuse preparing natural gas device according to claim 2, is characterized in that, described H2 multiple gun vapourizing furnace processed (6) comprising: furnace shell (22), plasma gun (23), plasma burner (24), multi-nozzle plasma burner (25), dryer section (26), gasification fugitive constituent section (27), cracking reduction section (28), burning zone (29), burning segment (30), outlet pipe (31), online explosion-proof monitoring device (33), clinker groove (34) falls, mesh stainless steel plate (36), described furnace shell (22) top is connected with screw compression vacuum feed appliance (4), and furnace shell (22) bottom is provided with plasma gun (23) from top to bottom successively, plasma burner (24), multi-nozzle plasma burner (25), multi-nozzle plasma burner (25) is provided with mesh stainless steel plate (36), is provided with successively from top to bottom dryer section (26) in furnace shell (22), gasification fugitive constituent section (27), cracking reduction section (28), burning zone (29), burning segment (30), furnace shell (22) top is provided with outlet pipe (31), outlet pipe (31) is connected with gasifying gas outlet (32), is also provided with clinker groove (34) in furnace shell (22), and the clinker groove that falls (34) is provided with automatic-sealed ash discharge cinder notch (35), described online explosion-proof monitoring device (33) detects furnace pressure, temperature, reactant gases composition.
5. domestic refuse preparing natural gas device according to claim 2, is characterized in that, described CO multiple gun catalyst furnace processed (19) comprising: furnace shell (22), plasma gun (23), plasma burner (24), multi-nozzle plasma burner (25), dryer section (26), gasification fugitive constituent section (27), cracking reduction section (28), burning zone (29), burning segment (30), outlet pipe (31), online explosion-proof monitoring device (33), clinker groove (34) falls, mesh stainless steel plate (36), described furnace shell (22) top is connected with screw compression vacuum feed appliance (4), and furnace shell (22) bottom is provided with plasma gun (23) from top to bottom successively, plasma burner (24), multi-nozzle plasma burner (25), multi-nozzle plasma burner (25) is provided with mesh stainless steel plate (36), is provided with successively from top to bottom dryer section (26) in furnace shell (22), gasification fugitive constituent section (27), cracking reduction section (28), burning zone (29), burning segment (30), furnace shell (22) top is provided with outlet pipe (31), outlet pipe (31) is connected with gasifying gas outlet (32), is also provided with clinker groove (34) in furnace shell (22), and the clinker groove that falls (34) is provided with automatic-sealed ash discharge cinder notch (35), described online explosion-proof monitoring device (33) detects furnace pressure, temperature, reactant gases composition.
6. domestic refuse preparing natural gas device according to claim 2, it is characterized in that, described methane synthesizer (15) comprising: high-voltage pulse power source (37), pulse former (38), isolator (39), electrode catalyst core (40), water cooler (41), cooling water tank (42), the jet pipe of speaking out of turn, described methane synthesizer shell top is provided with isolator (39), isolator (39) is provided with electrode catalyst core (40), one end that isolator (39) stretches out methane synthesizer shell outside is connected with pulse former (38), pulse former (38) is connected with high-voltage pulse power source (37), methane synthesizer shell is also connected with water cooler (41), water cooler (41) and Sweet natural gas island CH4 tank (16), cooling water tank (42) connects, methane synthesizer shell bottom is provided with the jet pipe of speaking out of turn, the jet pipe of speaking out of turn is connected with CO separator (17), described methane synthesizer is also connected with H2 tank (14).
7. domestic refuse preparing natural gas device according to claim 2, it is characterized in that, described CO2 deoxygenator (20) comprising: high-voltage pulse power source (37), pulse former (38), isolator (39), electrode catalyst core (40), the CO2 jet pipe (45) of speaking out of turn, O2 tank (44), described CO2 deoxygenator top is connected with O2 tank (44), CO2 deoxygenator shell top is provided with isolator (39), isolator (39) is provided with electrode catalyst core (40), one end that isolator (39) stretches out CO2 deoxygenator shell outside is connected with pulse former (38), pulse former (38) is connected with high-voltage pulse power source (37), CO2 deoxygenator shell bottom is provided with the CO2 jet pipe (45) of speaking out of turn, the CO2 jet pipe (45) of speaking out of turn is connected with CO2 circulation island CO2 tank (13), CO2 deoxygenator bottom is connected with carbon black package line (21).
8. domestic refuse preparing natural gas device according to claim 6, is characterized in that, described methane synthesizer (15) is that high-voltage pulse methane synthesizer (15) or thermal plasma are combined methane synthesizer (15) with high-voltage pulse.
9. according to the domestic refuse preparing natural gas device described in the arbitrary claim of claim 4-5, it is characterized in that, the plasma power of described plasma gun (23), plasma burner (24), multi-nozzle plasma burner (25) is that 0.1-10MW, carrier wind pressure are 5-100Kpa.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103484183A (en) * | 2013-09-26 | 2014-01-01 | 程礼华 | Process and device for preparing natural gas from household garbage |
| CN113845951A (en) * | 2020-06-28 | 2021-12-28 | 中国石油化工股份有限公司 | Device and method for preparing methane by coal one-step method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103484183A (en) * | 2013-09-26 | 2014-01-01 | 程礼华 | Process and device for preparing natural gas from household garbage |
| CN103484183B (en) * | 2013-09-26 | 2014-08-27 | 程礼华 | Process and device for preparing natural gas from household garbage |
| CN113845951A (en) * | 2020-06-28 | 2021-12-28 | 中国石油化工股份有限公司 | Device and method for preparing methane by coal one-step method |
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