CN205997147U - A kind of device of medical refuse burning flyash microwave continuous sintering ceramsite - Google Patents

A kind of device of medical refuse burning flyash microwave continuous sintering ceramsite Download PDF

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Publication number
CN205997147U
CN205997147U CN201620853312.1U CN201620853312U CN205997147U CN 205997147 U CN205997147 U CN 205997147U CN 201620853312 U CN201620853312 U CN 201620853312U CN 205997147 U CN205997147 U CN 205997147U
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sintering
heater
magnetron
sides
microwave
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刘汉桥
臧丹丹
魏国侠
张蕊
朱玉雯
徐仙
高思雨
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Tianjin Chengjian University
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Tianjin Chengjian University
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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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Abstract

The utility model discloses a kind of device of medical refuse burning flyash microwave continuous sintering ceramsite, the system is by granulating and forming unit (hopper, agitating device and forming machine), material conveying mechanism (drive sprocket, driven sprocket, transmission chain, fixing axle and SiC boat), microwave heating system (magnetron) and flue gas purification system (collection and confinement of gases mouth, water cooling plant, extracting tower, activated carbon injection apparatus, sack cleaner, air-introduced machine) etc. composition, it is fast that this device has firing rate, power consumption is few, the feature of electric heating high conversion rate, promote the industrialization process of flying ash microwave sintering, it is particularly suitable for the flying dust harmless treatment for the purpose of flying ash sintering ceramsite.

Description

A kind of device of medical refuse burning flyash microwave continuous sintering ceramsite
Technical field
The present invention relates to the method that medical refuse burning flyash is processed, especially a kind of medical refuse burning flyash microwave is even The device of continuous sintering ceramsite.
Background technology
Microwave heating is because its firing rate is fast, selectivity is strong, homogeneous heating the advantages of, obtained in recent years widely Application." hot spot-effect " is the key property of microwave heating, and quick heats produced by this effect are conduction and convection current Mode is not reached.Based on carbon component in medical refuse burning flyash (activated carbon and unburned carbon residue) in microwave field easy shape Become " hot spot-effect ", and then by the way of microwave treatment, flying dust is processed, such as Chinese patent CN103601526B is public The method having opened medical flying ash microwave baking ceramsite, the method can realize effectively decomposing and burning of dioxin by microwave Make haydite, but need in actual applications to refill SiC, activated carbon or Fe around granule3O4To strengthen Deng microwave coupling agent Its absorbing property, after leading to sintering, haydite is complex with the separation circuit of these microwave coupling agent, has in terms of commercial Application Wait to improve, and the interpolation of these pure microwave coupling agent can bring the rising of operating cost, how by simple Laboratory Principle Apply in commercial Application, be a problem demanding prompt solution.
Content of the invention
Instant invention overcomes shortcoming of the prior art, there is provided a kind of medical refuse burning flyash microwave continuous sintering pottery The device of grain.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of device of medical refuse burning flyash microwave continuous sintering ceramsite, including the first hopper, the second hopper, stirring Device, forming machine, sinter body of heater, water cooling plant, extracting tower, activated carbon injection apparatus, sack cleaner, air-introduced machine;Wherein:
First hopper and the second hopper connect agitating device respectively, add medical waste by two hoppers to agitating device Flying ash and adjuvant, and utilize agitating device mix homogeneously;
The medical refuse burning flyash of mix homogeneously and adjuvant are pressed into by agitating device connecting machine using forming machine Granule;
Forming machine passes through feed arrangement and sintering furnace body phase even, controlled using feed arrangement add in sintering body of heater Grain number amount and speed;
Arrange by drive sprocket, driven sprocket, transmission chain, fixing axle and SiC container in the middle position of sintering body of heater The transporter of composition, the two ends of transmission chain are connected with drive sprocket and driven sprocket respectively, and in drive sprocket and driven Form the two transmission planes up and down with horizontal direction parallel between sprocket wheel;Transmission chain arranges fixing axle, in fixing axle Upper setting SiC container;Sintering body of heater arranges microwave heating equipment, carries out microwave heating in sintering body of heater body;In transmission The vertical lower setting haydite collection bucket of device side, haydite collection bucket lower end arranges drawing mechanism, in order to collect positioned at burning Haydite in SiC container in freezing of a furnace body;Upper end setting collection and confinement of gases mouth in sintering body of heater;
Collection and confinement of gases mouth is connected with the top of water cooling plant by pipeline, and pipeline and extracting tower are passed through in the bottom of water cooling plant Top be connected;The bottom of extracting tower is connected with sack cleaner by pipeline, and arranges activated carbon injection apparatus on pipeline, Sack cleaner is connected with air-introduced machine.
And, described adjuvant is pyrite cinder, SiC or Fe3O4One of, medical refuse burning flyash and adjuvant Mass ratio be (2-10):1.
And, described sintering furnace interior is made using the refractory material not absorbing microwave or a small amount of absorption microwave, Shell is made up of stainless steel material, to prevent microwave to outward leakage.
And, described microwave heating equipment is magnetron, when being configured, long along body of heater in sintering body of heater upper end face Degree direction is uniformly arranged upper end magnetron, and is arranged alternately upper end both sides magnetic control in sintering body of heater two sides along body of heater length direction Pipe, is located at the upper SiC container being driven in plane in the height of upper end both sides magnetron arranging on opposite sides and sintering furnace body Centre-height consistent;Or on the surface of sintering body of heater upper and lower side, it is uniformly arranged upper end magnetron along body of heater length direction With lower end magnetron, and sintering body of heater two sides be arranged alternately upper end both sides magnetron and lower end both sides along body of heater length direction Magnetron, the height of lower end magnetron arranging on opposite sides interior SiC container being located in underdrive plane with sintering furnace body Centre-height consistent.
And, the described magnetron quantity being arranged on sintering body of heater upper end is 8-15, is arranged on sintering body of heater both sides The quantity of the every side of magnetron be 8-15.
And, the number of described SiC container is 20-40.
A kind of operation method of medical refuse burning flyash microwave continuous sintering ceramsite:
Using the operation method of said apparatus sintering ceramsite, carry out as steps described below:
Step 1, starts microwave heating equipment to carrying out being heated to design temperature in sintering furnace body, starts driving chain and drive SiC container is moved;
Step 2, adds medical refuse burning flyash and adjuvant by two hoppers to agitating device, and utilizes agitating device Mix homogeneously;
Step 3, agitating device connecting machine, using forming machine by the medical refuse burning flyash of mix homogeneously and adjuvant It is pressed into granule;
Step 4, forming machine passes through feed arrangement with sintering furnace body phase even, is controlled using feed arrangement and adds in sintering body of heater The amounts of particles entering and speed
Step 5, granule enters in sintering furnace body, falls in SiC container and travels forward along driving chain, to chain end End, SiC container goes to underdrive plane, and the granule after sintering falls in haydite collection bucket, and is collected by collection device;
Step 6, the gas producing in sintering process, from collection and confinement of gases mouth, water cooling plant, cooled place are entered by pipeline After reason, extracting tower is entered by pipeline by the bottom of water cooling plant, carries out deacidification, after completing deacidification, gas is entered by pipeline Sack cleaner carries out dedusting, and pipeline is provided with activated carbon injection apparatus, and sack cleaner is connected with air-introduced machine.
And, in step 1, described adjuvant is pyrite cinder, SiC or Fe3O4One of, medical refuse burning The mass ratio of flying dust and adjuvant is (2-10):1.
And, the chilling temperature of described water cooling plant is 10-20 degree Celsius.
Compared with prior art, the invention has the beneficial effects as follows:The system of the present invention (hopper, is stirred by granulating and forming unit Mix device and forming machine), material conveying mechanism (drive sprocket, driven sprocket, transmission chain, fixing axle and SiC boat), microwave add (collection and confinement of gases mouth, water cooling plant, extracting tower, activated carbon injection apparatus, cloth bag remove for hot systems (magnetron) and flue gas purification system Dirt device, air-introduced machine) etc. composition, in granulating and forming unit, using enrichment microwave coupling agent-Fe3O4Pyrite cinder as auxiliary Material, and combine microwave absorbing property in microwave field for the Self substances in flying dust it is ensured that microwave absorbing property within granule, sulfur ferrum simultaneously In ore deposit slag, silicates and oxides improve one-tenth Tao Chengfen in flying dust, realize the treatment of wastes with processes of wastes against one another;In material conveying mechanism, SiC Boat carries fly ash granule as container, external heat being brought rapidly up under microwave field so that in fly ash granule, improves flying dust sintering Efficiency, reduces the energy expenditure of sintering process, in addition, SiC boat is arranged in transmission chain one by one, is conducive to improving treating capacity, During the chain of approach bottom, the unloaded ripple of inhaling of SiC boat preheats so that microwave energy is effectively used.In microwave heating system, it is not required to It is passed through large quantity of air, generation exhaust gas volumn is few, very small amount volatile heavy metal such as Cd, Pb, can be by cigarettes below with smoke evaporative Gas cleaning system catches collects, tail gas clean-up facility that need not be complicated;In flue gas purification system, effectively anti-using water cooling plant Stopped sintering flue gas in two dislike because secondary synthesis.The present invention has that firing rate is fast, power consumption is few, electric heating high conversion rate Feature, promotes the industrialization process of flying ash microwave sintering, is particularly suitable for the flying dust for the purpose of flying ash sintering ceramsite Harmless treatment.
Brief description
Fig. 1 is a kind of structural representation of the system of present invention medical refuse burning flyash microwave continuous sintering ceramsite;
Fig. 2 is the side structure schematic diagram 1 of sintering body of heater.
Fig. 3 is the side structure schematic diagram 2 of sintering body of heater.
Fig. 4 is the overlooking the structure diagram of sintering body of heater.
Wherein, 1-1 is the first hopper, and 1-2 is the second hopper, and 2 is agitating device, and 3 is forming machine, and 4 is driven sprocket, 5 For feed arrangement, 6 is magnetron, and 6-1 is upper end magnetron, and 6-2 is the magnetron of upper end two sides, and 6-3 is lower end two sides Magnetron, 6-4 be lower end magnetron, 7 be SiC container, 8 be transmission chain, 9 be fixing axle, 10 be drive sprocket, 11 be burn Freezing of a furnace body, 12 is haydite collection bucket, and 13 is drawing mechanism, and 14 is collection and confinement of gases mouth, and 15 is water cooling plant, and 16 is extracting tower, 17 For activated carbon injection apparatus, 18 is sack cleaner, and 19 is air-introduced machine.
Specific embodiment
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings:
A kind of device of medical refuse burning flyash microwave continuous sintering ceramsite, including the first hopper, the second hopper, stirring Device, forming machine, sinter body of heater, water cooling plant, extracting tower, activated carbon injection apparatus, sack cleaner, air-introduced machine;Wherein:
First hopper and the second hopper connect agitating device respectively, add medical waste by two hoppers to agitating device Flying ash and adjuvant, and utilize agitating device mix homogeneously;
The medical refuse burning flyash of mix homogeneously and adjuvant are pressed into by agitating device connecting machine using forming machine Granule;
Forming machine passes through feed arrangement and sintering furnace body phase even, controlled using feed arrangement add in sintering body of heater Grain number amount and speed;
Arrange by drive sprocket, driven sprocket, transmission chain, fixing axle and SiC container in the middle position of sintering body of heater The transporter of composition, the two ends of transmission chain are connected with drive sprocket and driven sprocket respectively, and in drive sprocket and driven Form the two transmission planes up and down with horizontal direction parallel between sprocket wheel;Transmission chain arranges fixing axle, in fixing axle Upper setting SiC container;Sintering body of heater arranges microwave heating equipment, carries out microwave heating in sintering body of heater body;In transmission The vertical lower setting haydite collection bucket of device side, haydite collection bucket lower end arranges drawing mechanism, in order to collect positioned at burning Haydite in SiC container in freezing of a furnace body;Upper end setting collection and confinement of gases mouth in sintering body of heater;
Collection and confinement of gases mouth is connected with the top of water cooling plant by pipeline, and pipeline and extracting tower are passed through in the bottom of water cooling plant Top be connected;The bottom of extracting tower is connected with sack cleaner by pipeline, and arranges activated carbon injection apparatus on pipeline, Sack cleaner is connected with air-introduced machine.
And, described sintering furnace interior is made using the refractory material not absorbing microwave or a small amount of absorption microwave, Shell is made up of stainless steel material, to prevent microwave to outward leakage.
And, described microwave heating equipment is magnetron, when being configured, long along body of heater in sintering body of heater upper end face Degree direction is uniformly arranged upper end magnetron, and is arranged alternately upper end both sides magnetic control in sintering body of heater two sides along body of heater length direction Pipe, is located at the upper SiC container being driven in plane in the height of upper end both sides magnetron arranging on opposite sides and sintering furnace body Centre-height consistent (as shown in Figure 2 and Figure 4);Or it is on the surface of sintering body of heater upper and lower side, equal along body of heater length direction Even setting upper end magnetron and lower end magnetron, and it is arranged alternately upper end both sides in sintering body of heater two sides along body of heater length direction Magnetron and lower end both sides magnetron, are located at underdrive in the height of lower end magnetron arranging on opposite sides and sintering furnace body The centre-height of the SiC container in plane is consistent (as shown in Figure 3 and Figure 4).
And, the described magnetron quantity being arranged on sintering body of heater upper end is 8-15, is arranged on sintering body of heater both sides The quantity of the every side of magnetron be 8-15,
And, the number of described SiC container is 20-40.
The main chemical compositions of certain medical refuse burning flyash, clinker ignition loss and dioxins concentration (%) see table
In the present embodiment, adjuvant selects pyrite cinder, and described pyrite cinder is using troilite or sulfur-bearing tailings Do a kind of waste residue discharged in raw material production sulfuric acid process, its main component is Fe3O4、Fe2O3, the sulfate of metal, silicic acid Salt and oxide etc., the practical troilite of the present embodiment is purchased from Shandong Xin Haikuangzhuan limited company.
Using the operation method of said apparatus sintering ceramsite, carry out as steps described below:
Step 1, starts microwave heating equipment to carrying out being heated to design temperature in sintering furnace body, starts driving chain and drive SiC container is moved;
Step 2, adds medical refuse burning flyash and adjuvant by two hoppers to agitating device, and utilizes agitating device The mass ratio of mix homogeneously, medical refuse burning flyash and adjuvant is 10:1;
Step 3, agitating device connecting machine, using forming machine by the medical refuse burning flyash of mix homogeneously and adjuvant It is pressed into granule;
Step 4, forming machine passes through feed arrangement with sintering furnace body phase even, is controlled using feed arrangement and adds in sintering body of heater The amounts of particles entering and speed
Step 5, granule enters in sintering furnace body, falls in SiC container and travels forward along driving chain, to chain end End, SiC container goes to underdrive plane, and the granule after sintering falls in haydite collection bucket, and is collected by collection device;
Step 6, the gas producing in sintering process, from collection and confinement of gases mouth, water cooling plant, cooled place are entered by pipeline After reason, extracting tower is entered by pipeline by the bottom of water cooling plant, carries out deacidification, after completing deacidification, gas is entered by pipeline Sack cleaner carries out dedusting, and pipeline is provided with activated carbon injection apparatus, and sack cleaner is connected with air-introduced machine.
And, the chilling temperature of described water cooling plant is 10-20 degree Celsius.
, as strong microwave coupling agent, using SiC as the container carrying material, under microwave field, SiC container can for SiC To produce rapidly heat in its inwall, the energy of microwave is converted into carry the heat of the absorption of material.
The system of the present invention is by granulating and forming unit (hopper, agitating device and forming machine), material conveying mechanism (drive chain Wheel, driven sprocket, transmission chain, fixing axle and SiC boat), (gas is received for microwave heating system (magnetron) and flue gas purification system Ji Kou, water cooling plant, extracting tower, activated carbon injection apparatus, sack cleaner, air-introduced machine) etc. composition, in granulating and forming unit In, using enrichment microwave coupling agent-Fe3O4Pyrite cinder as adjuvant, and combine flying dust in Self substances in microwave field Microwave absorbing property it is ensured that microwave absorbing property within granule, in pyrite cinder, silicates and oxides improve flying dust simultaneously Middle one-tenth Tao Chengfen, realizes the treatment of wastes with processes of wastes against one another;In material conveying mechanism, SiC boat carries fly ash granule as container, in microwave field Lower so that external heat being brought rapidly up in fly ash granule, improve flying dust sintering efficiency, reduce the energy expenditure of sintering process, separately Outward, SiC boat (i.e. SiC container) is arranged in transmission chain one by one, is conducive to improving treating capacity, the SiC boat in approach bottom chain Unloaded ripple of inhaling preheats so that microwave energy is effectively used.In microwave heating system, it is not required to be passed through large quantity of air, produce cigarette Tolerance is few, and very small amount volatile heavy metal such as Cd, Pb, with smoke evaporative, can be caught by flue gas purification system below and collect, Tail gas clean-up facility that need not be complicated;In flue gas purification system, two evils in sintering flue gas be effectively prevent using water cooling plant The secondary synthesis of English.The present invention has the characteristics that firing rate is fast, power consumption is few, electric heating high conversion rate, promotes flying ash The industrialization process of microwave sintering, is particularly suitable for the flying dust harmless treatment for the purpose of flying ash sintering ceramsite.
Above the present invention is described in detail, but described content has been only presently preferred embodiments of the present invention it is impossible to be recognized It is the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement etc., all should still return Belong within the patent covering scope of the present invention.

Claims (5)

1. a kind of device of medical refuse burning flyash microwave continuous sintering ceramsite it is characterised in that:Including the first hopper, second Hopper, agitating device, forming machine, sinter body of heater, water cooling plant, extracting tower, activated carbon injection apparatus, sack cleaner, air inducing Machine;Wherein:First hopper and the second hopper connect agitating device, agitating device connecting machine respectively, and forming machine passes through charging Device with sintering furnace body phase even, is arranged by drive sprocket, driven sprocket, transmission chain, fixation in the middle position of sintering body of heater Axle and the transporter of SiC container composition, the two ends of transmission chain are connected with drive sprocket and driven sprocket respectively, and actively Form the two transmission planes up and down with horizontal direction parallel between sprocket wheel and driven sprocket;On transmission chain, setting is fixed Axle, arranges SiC container in fixing axle;Sintering body of heater arranges microwave heating equipment, carries out microwave in sintering body of heater body Heating;Vertical lower setting haydite collection bucket in transporter side, haydite collection bucket lower end arranges drawing mechanism, in order to Collect haydite in the SiC container being located in sintering body of heater;Upper end setting collection and confinement of gases mouth in sintering body of heater;Collection and confinement of gases mouth leads to Cross pipeline to be connected with the top of water cooling plant, the bottom of water cooling plant is connected with the top of extracting tower by pipeline;Extracting tower Bottom is connected with sack cleaner by pipeline, and arranges activated carbon injection apparatus, sack cleaner and air-introduced machine on pipeline It is connected.
2. as claimed in claim 1 a kind of device of medical refuse burning flyash microwave continuous sintering ceramsite it is characterised in that: The number of described SiC container is 20-40.
3. as claimed in claim 1 a kind of device of medical refuse burning flyash microwave continuous sintering ceramsite it is characterised in that: Described microwave heating equipment is magnetron, when being configured, uniformly sets along body of heater length direction in sintering body of heater upper end face Put upper end magnetron, and be arranged alternately upper end both sides magnetron in sintering body of heater two sides along body of heater length direction, in two sides The centre-height one of the height of upper end both sides magnetron of the upper setting SiC container that be located at upper transmission plane in interior with sintering furnace body Cause.
4. the device of a kind of medical refuse burning flyash microwave continuous sintering ceramsite as described in claim 1 or claim 3, It is characterized in that:Microwave heating equipment is when being configured, on the surface of sintering body of heater upper and lower side, equal along body of heater length direction Even setting upper end magnetron and lower end magnetron, and it is arranged alternately upper end both sides in sintering body of heater two sides along body of heater length direction Magnetron and lower end both sides magnetron, are located at upper in the height of upper end both sides magnetron arranging on opposite sides and sintering furnace body The centre-height of the SiC container in transmission plane is consistent, the height of lower end both sides magnetron arranging on opposite sides and sintering The centre-height of the SiC container being located in underdrive plane in body of heater is consistent.
5. the device of a kind of medical refuse burning flyash microwave continuous sintering ceramsite as described in claim 1 or claim 3, It is characterized in that:The described upper end magnetron being arranged on sintering body of heater upper end is 8-15, is arranged on sintering body of heater lower end Lower end magnetron quantity is 8-15, and the quantity being arranged on the every side of magnetron of sintering body of heater both sides is 8-15.
CN201620853312.1U 2016-08-05 2016-08-05 A kind of device of medical refuse burning flyash microwave continuous sintering ceramsite Active CN205997147U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124247A (en) * 2019-05-31 2019-08-16 江苏天楹环保能源成套设备有限公司 A kind of system of microwave treatment incineration of refuse flyash

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124247A (en) * 2019-05-31 2019-08-16 江苏天楹环保能源成套设备有限公司 A kind of system of microwave treatment incineration of refuse flyash

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