CN207756595U - A kind of electricity generation system of debirs clean utilization - Google Patents

A kind of electricity generation system of debirs clean utilization Download PDF

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Publication number
CN207756595U
CN207756595U CN201721593886.0U CN201721593886U CN207756595U CN 207756595 U CN207756595 U CN 207756595U CN 201721593886 U CN201721593886 U CN 201721593886U CN 207756595 U CN207756595 U CN 207756595U
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gas
debirs
electricity generation
dryer
cracking
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邹万清
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SHANDONG HI-LINK ELECTRICITY Co Ltd
Sichuan Seventh Chemical Construction & Engineering Co Ltd
China National Chemical Engineering No7 Construction Co Ltd
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SHANDONG HI-LINK ELECTRICITY Co Ltd
Sichuan Seventh Chemical Construction & Engineering Co Ltd
China National Chemical Engineering No7 Construction Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The utility model is related to environment comprehensive pollution treatment and waste recycling field more particularly to a kind of electricity generation systems and method of debirs clean utilization.A kind of electricity generation system of debirs clean utilization, including dryer, comminutor, pyrolysis furnace, semicoke cooler, cracking Gas Cooler, separator and gas electricity generator;Further include air blower, air blower is connected with heat exchanger tube, and heat exchanger tube is connect after semicoke cooler and cracking Gas Cooler with the air inlet of dryer successively.The utility model can improve the electricity generation system and method for debirs energy conversion efficiency while providing a kind of energy saving, solve the problems, such as that existing debirs electricity generation system energy consumption is high, energy transformation ratio is low.

Description

A kind of electricity generation system of debirs clean utilization
Technical field
The utility model is related to environment comprehensive pollution treatment and waste recycling field more particularly to a kind of debirs are clear The clean electricity generation system utilized.
Background technology
Electricity has become one of the necessary energy indispensable in today's society, is a kind of good secondary energy sources, it is clear It is clean, conveniently, utilization rate it is high.One national per capita household electricity consumption number indicate the level of economic development and the people's life of this country Running water is flat, although China's per capita household electricity consumption has been approached world average level, only the 1/4~1/5 of Systems in Certain Developed Countries, gap Obviously, electric market is still huge.
Although electricity is high-quality, cleaning, it needs primary energy, China still to generate electricity at present with fossil energy (firepower) after all Based on, environmental pollution is a great problem of current thermal power generation, on the one hand pollutes air, polluted source, on the one hand expends again Valuable coal resources.980,000 tons of China's electric power Air Pollutants Emissions flue dust, 6,200,000 tons of sulfur dioxide, nitrogen oxygen in 2014 6,200,000 tons of compound, such serious pollution threat of data our health.
In recent years, with the fast development of national economy, the industrialization of the country, urbanization realization step by step, rural area labour Right-about also has occurred with burning in the transfer of power, the transformation of life style, fertilising, excrement of animals be no longer soil fertilizer, Straw is no longer the fuel and feed in rural area, all becomes organic waste, can not be burned in addition, powerless returning to the field, infertile field, It stacks and topples over everywhere in field, it is everlasting to rot to send out a burst of stink, pollute environment;According to statistics, China is every More than 700,000,000 tons of stalk can be produced year, 1,500,000 tons of excrement of animals is lost in addition in the annual municipal refuse for producing 1.5 hundred million tons per year in China Up to 25,000,000,000 yuan of " renewable resource " value abandoned directly burns and recycles heat generation steam by boiler, sent out by steam turbine Electricity, can capacity usage ratio less than 25%, also generate bioxin, flying dust etc. causes secondary pollution to air.
Number of patent application is that the patent of invention of CN200310115199.4 discloses a kind of while handling a variety of debirs Plasma multi-stage cleavage method and device.This method includes that level-one plasma pyrolysis stove uses reproducibility working gas, The tail gas of generation is imflammable gas, and into two level pyrolysis furnace, supplementary energy is provided for two level pyrolysis furnace.Two level pyrolysis furnace uses Oxidisability working gas can save power consumption;If using parallel arrangement, and pyrolysis furnace and two level pyrolysis furnace can be with Using a set of tail gas treatment device.The tail gas of the level-one pyrolysis furnace of arranged in series can pass through washing and neutralize sour gas into two Grade pyrolysis furnace is as auxiliary fuel;The imflammable gas of two level pyrolysis furnace discharge is post-treated, is sent to burner combustion or power generation Machine generates electricity.At least one air inlet is arranged in the bottom of two level pyrolysis furnace provided by the utility model, therefore can be by increasing gas Body supply improves cracking temperature, the advantages of reaching energy saving and time;Two-stage pyrolysis furnace can according to integrated design, Form combined furnace body.
Above-mentioned apparatus is realized while being handled the purpose of a variety of debirs by multistage cracking, but and routine organic waste Object cracking treating device is identical, and tar steam and vapor are contained in the cracking gas that above-mentioned apparatus generates, to the combustion of cracking gas It is relatively low to heat value.When cracking gas generates electricity for gas electricity generator, above-mentioned cracking gas because contain tar steam and vapor without It can be fully burned, on the one hand, increase the discharge of pernicious gas;Another reverse side, cracking gas fail to be fully used, have The energy conversion efficiency of machine waste is relatively low.
Utility model content
The utility model overcomes the deficiencies in the prior art, and debirs energy can be improved while providing a kind of energy saving and is turned The electricity generation system and method for changing efficiency solve the problems, such as that existing debirs electricity generation system energy consumption is high, energy transformation ratio is low.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of electricity generation system of debirs clean utilization, including dryer, dryer are connected with by screw conveyor Comminutor, comminutor are connected with pyrolysis furnace by belt conveyor;Pyrolysis furnace is connected with semicoke cooler by screw conveyor, Pyrolysis furnace is connected with cracking Gas Cooler by pipeline, and the outlet for cracking cooler is connected with separator and combustion in turn by pipeline Gas generator, generator are electrically connected with electrical appliance;Further include air blower, the air outlet of air blower is connected with heat exchanger tube, heat exchanger tube It is connect successively with the air inlet of dryer after semicoke cooler and cracking Gas Cooler.
As the preferred embodiment of the utility model, the exhaust outlet of the generator is connected with waste heat boiler by pipeline, remaining The steam (vapor) outlet of heat boiler and the air inlet of pyrolysis furnace are connected by pipeline.
As the preferred embodiment of the utility model, the feed inlet of the dryer is connected with by screw conveyor for filtering The filter press of slag.
As the preferred embodiment of the utility model, the exhaust outlet of the dryer is connected with clarifier by pipeline.
Compared with prior art, the utility model has the beneficial effects that:
1, the utility model recycles the heat of pyrolysis product, is used for drying material, makes the heat generated in system Amount is utilized effectively, and reduces energy consumption.Also, when the heat to cracking gas exchanges heat, the tar steam in cracking gas Condensation sedimentation is obtained with vapor, is purified to cracking gas, cracking gas not containing water vapor and when tar steam, calorific value obtains To significantly improving.After condensation separation, the calorific value of cracking gas reaches 14000kj/Nm3~16000kj/Nm3, and without cold The calorific value of the cracking gas of solidifying separation is only 9000kj/Nm3~12000kj/Nm3.In the case where cracking gas calorific value raising, phase Debirs energy conversion efficiency should be improved, tool has an unexpected effect.
2 the utility model are utilized organic waste as resource, are solved organic waste and are caused to environment Pollution, while save organic waste occupancy land resource.Cracking gas when being disposed to organic waste cracking, passes through Gas electricity generator carries out the direct generation of electricity, improves generating efficiency, avoids the secondary pollution caused by environment, prevents bioxin With the generation of dust.
3, fuel gas buring generate high temperature carbon dioxide and vapor formed high-temperature gas mixture stream, high-temperature gas mixture stream into Soft water heat exchange in waste heat boiler, with boiler, soft water absorption heat become steam.Steam is transported to pyrolysis furnace, lazy as packing Property gas, ensures the safety of pyrolysis furnace.To which the heat of fuel gas buring is utilized effectively, and reduces the energy consumption of system.
4, clarifier can evolve to the tail gas being discharged in dryer, reduce the discharge of pernicious gas.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this Utility model is not used to limit the utility model.
The specific implementation process of the utility model:
First, organic waste carries out press filtration through filter press, closed defeated by screw conveyor after removing most of moisture It send to dryer.The drying organic waste exported from dryer, is sent into comminutor and is granulated, dry organic waste is made Gurry particulate material.
Second, organic waste particulate material and the air exclusion in pyrolysis furnace are will be delivered to, is added with Electric heating Heat arrives certain temperature condition.Cracking reaction occurs for organic waste particulate material, is transformed into high-temperature combustible gas body and part high temperature half It is burnt.
Air needed for drying is first fed into semicoke cooler by third, air blower, and the hot semicoke to come is conveyed with pyrolysis furnace It exchanges heat, semicoke is cooled down.Air is heated to certain temperature, then is come with pyrolysis furnace conveying by cracking Gas Cooler High-temperature gas carry out indirect heat exchange, the part tar steam in Pintsch process gas is condensed into tar, Water vapor condensation, combustion gas It is cooled down.Meanwhile air further absorbs heat after heating up, and is sent into dryer, as drying medium, for organic waste It is dried.Moisture heat absorption evaporation in organic waste becomes steam, net by purified device together with drying medium air Change, then outer row.
4th, the purification cracking gas obtained after refrigerated separation is sent into gas electricity generator, cracking gas is in gas electricity generator cylinder Combustion reaction is carried out with air filtering excessively in vivo, releases a large amount of heat.Combustion gas volume in the cylinder body of gas electricity generator suddenly Expansion pushes piston externally to do work, and driving generator amature makees cutting magnetic line rotation in magnetic field and generates electric current.The electricity of generation Streaming is to electrical appliance, by electrical appliance continuous and stable to national grid output current.
5th, fuel gas buring generates high temperature carbon dioxide and vapor forms high-temperature gas mixture stream.By high-temperature gas mixture stream It is sent into waste heat boiler, high-temperature gas mixture stream exchanges heat with the soft water in waste heat boiler, and soft water absorption heat becomes steam.Steam conveys Ensure the safety of pyrolysis furnace as packing inert gas to pyrolysis furnace.
Above-mentioned implementation process solves the problems, such as that organic waste pollutes the environment, while also achieving organic The recycling of waste, turns waste into wealth, and does not have " three wastes " externally to discharge, and is a kind of clean generation mode.The utility model The energy of renewable resource is adequately utilized, new outlet is had found to administer organic waste environmental pollution, in system Waste heat be utilized effectively, reduce energy consumption.Most of all, in the waste heat using combustible gas mixture and semicoke to original When material is dried, the cracking gas calorific value in fuel gas mixture is improved significantly, and correspondingly, improves the energy of debirs Conversion ratio.
Embodiment one
As shown in Figure 1, a kind of electricity generation system of debirs clean utilization, including dryer, dryer pass through spiral transferring Machine is sent to be connected with comminutor, comminutor is connected with pyrolysis furnace by belt conveyor;Pyrolysis furnace is connected with by screw conveyor Semicoke cooler, pyrolysis furnace are connected with cracking Gas Cooler by pipeline, and the outlet for cracking cooler is sequentially connected by pipeline There are separator and gas electricity generator, generator to be electrically connected with electrical appliance;Further include air blower, the air outlet of air blower, which is connected with, to be changed Heat pipe, heat exchanger tube are connect after semicoke cooler and cracking Gas Cooler with the air inlet of dryer successively.
The utility model is utilized organic waste as resource, solves organic waste caused by environment Pollution, while saving the land resource of organic waste occupancy.Cracking gas when being disposed to organic waste cracking passes through combustion Gas generator carry out the direct generation of electricity, improve generating efficiency, avoid the secondary pollution caused by environment, prevent bioxin and The generation of dust.
The utility model recycles the heat of pyrolysis product, is used for drying material, makes the heat generated in system It is utilized effectively, reduces energy consumption.Also, when the heat to cracking gas exchanges heat, tar steam in cracking gas and Vapor obtains condensation sedimentation, is purified to cracking gas, and cracking gas not containing water vapor and when tar steam, calorific value obtains It significantly improves.After condensation separation, the calorific value of cracking gas reaches 14000kj/Nm3~16000kj/Nm3, and without cold The calorific value of the cracking gas of solidifying separation is only 9000kj/Nm3~12000kj/Nm3.In the case where cracking gas calorific value raising, phase Debirs energy conversion efficiency should be improved, tool has an unexpected effect.
Embodiment two
On the basis of embodiment one, the exhaust outlet of the generator is connected with waste heat boiler, waste heat boiler by pipeline Steam (vapor) outlet and the air inlet of pyrolysis furnace connected by pipeline.The high temperature carbon dioxide and vapor that fuel gas buring generates are formed High-temperature gas mixture stream, high-temperature gas mixture are streamed into waste heat boiler, are exchanged heat with the soft water in boiler, and soft water absorption heat becomes to steam Vapour.Steam is transported to pyrolysis furnace, as packing inert gas, ensures the safety of pyrolysis furnace.To which the heat of fuel gas buring obtains It efficiently uses, reduces the energy consumption of system.
Embodiment three
The feed inlet of the dryer is connected with the filter press for filter residue by screw conveyor.The row of the dryer Gas port is connected with clarifier by pipeline.Clarifier can evolve to the tail gas being discharged in dryer, reduce pernicious gas Discharge.
Example IV
On the basis of above-mentioned any one embodiment, a kind of electricity generation system of debirs clean utilization, including it is as follows Step:
A) feed purification;Mechanical grading, removal are carried out to organic wastes such as excrement of animals, house refuses using filter press The solid impurities such as the soil, brick, glass, stone, the iron filings that mix.
B) raw material drying:Purified debirs are transported to drying machine, processing is dried, then is granulated;It will In the closed feeding dryer of raw material screw conveyor after purification process, with air blower send through semicoke cooler, cracking The wind of Gas Cooler heating is in direct contact, and is dried.After the drying of organic waste materials drying machine, through sending secret to close feeding comminutor It is inside granulated, particle organic waste is stored into material bin.
C) organic cracking:The organic granular material that step b) is obtained is placed in pyrolysis furnace, the temperature of pyrolysis furnace is controlled At 500 DEG C~550 DEG C, organic granular material obtains the combustible gas mixture based on hydrogen and organic hydrocarbon and semicoke through cracking. It uses water vapour to be used as inert gas in cracking feed and reaction process, completely cuts off air, while gas quantity can also be increased, and subtract The purpose of few carbonized stock.
D) fuel gases calorific value and Waste Heat Reuse are improved:It is exchanged heat respectively to combustible gas mixture and semicoke using air, Heated air be supplied to b) in drying machine.The utility model recycles the heat of pyrolysis product, for drying Raw material makes the heat generated in system be utilized effectively, and reduces energy consumption.Also, it exchanges heat in the heat to cracking gas When, tar steam and vapor in cracking gas obtain condensation sedimentation, to which cracking gas is purified, cracking gas not containing water vapor When with tar steam, calorific value is improved significantly, and accordingly improves debirs energy conversion efficiency.
E) gas-purification:Air mixture made from step d) is subjected to purified treatment, it is made to react with lye, is removed Sour gas in cracking gas obtains pure fuel gas;
F) fuel gas generation:Combustion gas is made in step d) to put into the cylinder body of gas electricity generator, combustion gas generates quick-fried in cylinder body Fried and propelling gas turbine engine piston externally does work, and driving generator amature rotation realizes combustion gas to which mechanical energy is converted to electric energy Turbine generates electricity.The exhaust gas that burning generates is outer after cooling recycling heat to be arranged.
The utility model is utilized organic waste as resource, solves organic waste caused by environment Pollution, while saving the land resource of organic waste occupancy.Cracking gas when being disposed to organic waste cracking passes through combustion Gas generator carry out the direct generation of electricity, improve generating efficiency, avoid the secondary pollution caused by environment, prevent bioxin and The generation of dust.
The utility model reduces the discharge of harmful substance, reduces the pollution of environment.It is complete with the utility model technology Face is promoted, and China will reduce flue dust object discharge capacity 980,000 tons of amounts, the sulfur dioxide object discharge capacitys 6,200,000 generated by power generation every year Ton, 6,200,000 tons or so of nitrogen oxide emission.Meanwhile can handle every year more than 700,000,000 tons of existing stalk, 1,500,000 tons of excrement of animals, 1.5 hundred million tons of municipal refuse realizes that waste " renewable resource " is worth up to 25,000,000,000 yuan.

Claims (4)

1. a kind of electricity generation system of debirs clean utilization, which is characterized in that including dryer, dryer passes through helical feed Machine is connected with comminutor, and comminutor is connected with pyrolysis furnace by belt conveyor;Pyrolysis furnace is connected with half by screw conveyor Burnt cooler, pyrolysis furnace are connected with cracking Gas Cooler by pipeline, and the outlet for cracking cooler is connected in turn by pipeline Separator and gas electricity generator;Further include air blower, the air outlet of air blower is connected with heat exchanger tube, and heat exchanger tube passes through semicoke successively It is connect with the air inlet of dryer after cooler and cracking Gas Cooler.
2. a kind of electricity generation system of debirs clean utilization according to claim 1, which is characterized in that the generator Exhaust outlet waste heat boiler is connected with by pipeline, the steam (vapor) outlet of waste heat boiler and the air inlet of pyrolysis furnace are connected by pipeline It connects.
3. a kind of electricity generation system of debirs clean utilization according to claim 1, which is characterized in that the dryer Feed inlet the filter press for filter residue is connected with by screw conveyor.
4. a kind of electricity generation system of debirs clean utilization according to claim 1, which is characterized in that the dryer Exhaust outlet clarifier is connected with by pipeline.
CN201721593886.0U 2017-11-24 2017-11-24 A kind of electricity generation system of debirs clean utilization Active CN207756595U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112077131A (en) * 2020-10-29 2020-12-15 内蒙古蒙投环境股份有限公司 Continuous carbonization and pyrolysis system for municipal solid waste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112077131A (en) * 2020-10-29 2020-12-15 内蒙古蒙投环境股份有限公司 Continuous carbonization and pyrolysis system for municipal solid waste

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