CN102432914B - Method and equipment for decomposing and recovering glass fiber reinforced plastics - Google Patents
Method and equipment for decomposing and recovering glass fiber reinforced plastics Download PDFInfo
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- CN102432914B CN102432914B CN201110328169.6A CN201110328169A CN102432914B CN 102432914 B CN102432914 B CN 102432914B CN 201110328169 A CN201110328169 A CN 201110328169A CN 102432914 B CN102432914 B CN 102432914B
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- Y—GENERAL 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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention discloses a method and equipment for decomposing and recovering glass fiber reinforced plastics. The method for recovering the glass fiber reinforced plastics comprises the following steps of: performing high-temperature heat treatment, namely performing pyrolysis on glass fiber reinforced plastics waste materials to be treated under the vacuum condition in an electric heating mode to form solid and a flue gas mixture, and recovering the solid residues which are obtained after the high temperature heat treatment; and recovering the flue gas mixture, namely treating the flue gas mixture which is produced in the high temperature heat treatment process to form recoverable chemical crude oil and fuel gas. The equipment for decomposing and recovering the glass fiber reinforced plastics comprises a heat treatment device, a dedusting and catalytic reforming device and a cooling liquefaction recovery device; the heat treatment device is used for performing pyrolysis on the glass fiber reinforced plastics waste materials to be treated under the vacuum condition, and the solid residues which are obtained after pyrolysis are cooled and taken out to be recovered; and the flue gas mixture which is obtained after pyrolysis is dedusted and catalyzed by the dedusting and catalytic reforming device and then is treated by the cooling liquefaction recovery device to form the chemical crude oil and fuel gas, so that materials are recovered and utilized.
Description
Technical field
The present invention relates to a kind of glass reinforced plastic recovery technology, refer in particular to a kind of glass reinforced plastic recovery method and recovery system that glass-reinforced plastic material reclaims of realizing.
Background technology
Glass reinforced plastic is with its flexible design, easy-formation, and high-strength light, the advantage such as corrosion-resistant, be widely used in the industries such as building materials, traffic, mine, chemical industry, but it is difficult for degraded, weathering, recovery.Along with continuous increase, the glass fibre reinforced plastic waste quantity of output increase severely, it is investigated that demonstrate,proving the tailing and the waste product waste that in the process of manufacture of Zaoqiang area, Hebei, produce just reaches 6000---8000 ton/year, traditional bury, incinerating method takies a large amount of soils, cause secondary environmental pollution, and processing costs is high, treatment capacity is limited, far can not meet the requirement that glass fibre reinforced plastic waste quantity increases severely, glass fibre reinforced plastic waste has become social concern, has a strong impact on further application and the development of glass reinforced plastic in building materials, automobile and other industries.
In recent years, European and American countries is paid much attention to the processing of glass fibre reinforced plastic waste, mainly adopts burning to reclaim the method for heat, does not carry out the recovery of material, and can cause secondary pollution by generation obnoxious flavour in combustion processes; Ye You unit carries out pyrolysis recycling, pyrolysis refers to that glass reinforced plastic at high temperature changes into gaseous state, forms the oily matter of organic compound of different structure through condensation, residuum glass fibre in pyrolysis, filler (glass reinforced plastic manufacture in additive) are recycling after treatment, and oily matter can be used as oil fuel or be further processed into and make the industrial chemicals that glass reinforced plastic is used.Treatment unit is the treatment unit of using for reference common plastic film waste, its pyrolysis reactor is common response autoclave, need batch treatment, after finishing, each processing needs to open kettle cover charging, so just caused the discharge of obnoxious flavour, and device to have a set of coal heating installation, burning of coal increase again pollute and carbon emission.
In existing glass reinforced plastic recovery system, also have a kind of continuous feeding device, adopt fuel gas heating, stopped the shortcoming of above device, but normal pressure pyrolysis temperature is high, poor stability, energy consumption is used high, and heating system is made complicated, has high input.The gas that some device later stage pyrolysis produce adopts water directly to absorb heat and is condensed into oily matter, causes water directly to contact with pyrolysis gas, produces the secondary pollution of water.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of glass reinforced plastic recovery method and recovery system, to improve or to overcome the one or more defect of prior art.
Technical solution of the present invention is: a kind of glass reinforced plastic recovery method, described recovery method comprises: high-temperature heat treatment: under vacuum condition, adopting electrothermal method is solid and smoke mixture by pending glass fiber reinforced plastic wastes pyrolytic decomposition, and the solid residue after high-temperature heat treatment is reclaimed; Smoke mixture recycling: the smoke mixture producing in high-temperature heat treatment process is processed into chemical crude oil and the fuel gas that can reclaim.
In a preferred embodiment of the present invention, described high temperature heat treatment step is also included in charging preparation step and solid discharging cooling step, this recovery method be utilize three relatively independent and can open and close be communicated with space sequentially carry out described charging preparation, high-temperature heat treatment and solid discharging cooling step.
In a preferred embodiment of the present invention, it is cooling that described solid discharging cooling step is that the solid residue after adopting the mode of air cooling to pyrolytic decomposition carries out, and takes out after cooling, reclaims glass fibre, filler.
In a preferred embodiment of the present invention, described each space is all equiped with vacuum pump, two spaces for charging preparation step and solid discharging cooling step are equiped with gas injection apparatus, transfer turnover operation after two working space pressure that are associated are consistent again.
In a preferred embodiment of the present invention, described smoke mixture recycling step comprises:
Catalytic reforming processing, carries out catalytic reforming to the smoke mixture producing after high temperature pyrolysis, utilizes catalytic reforming reaction to reduce the content that noncondensable gas or small molecules can not liquefied gas;
Cooling liquid processing: the smoke mixture obtaining after catalytic reforming is processed is carried out cooling formation oily matter and collects this oily matter.
In a preferred embodiment of the present invention, between described high temperature heat treatment step and catalytic reforming treatment step, described method also comprises dust removal process step: the smoke mixture obtaining after decomposing in high temperature heat treatment step is carried out to dust removal process, remove dust impurity particle.
In a preferred embodiment of the present invention, described cooling liquid treatment step comprises described smoke mixture is carried out to more than twice cooling liquid collection and treatment, when cooling liquid collection and treatment for the first time, collect the oily matter forming through contactless water-cooled, and proceed contactless water-cooled for the second time to not being cooled in time the gas of oily matter, further to form oily matter and to collect.
In a preferred embodiment of the present invention, in described cooling liquid treatment step, also comprise: deposit residue noncondensable gas in gas holder by reclaiming air water envelope as fuel gas, the gas reclaiming is as fuel gas combustion heat supplying or generating, can be as the part power using in high temperature heat treatment step, reclaim air water envelope for security device, prevent that fuel gas from pouring in down a chimney.
In a preferred embodiment of the present invention, make cooling liquid recovery more complete by strengthening water-cooled area, reduce gas flow rate, strengthen water cycle flow and/or reducing water temperature.
The present invention also proposes a kind of decomposition recycling device of glass fiber reinforced plastics, described recovery system sequentially comprises thermal treatment unit, smoke mixture recycling and processing device, described thermal treatment unit is under vacuum condition, to adopt electrothermal method that pending glass fiber reinforced plastic wastes is carried out to pyrolytic decomposition, after the solid residue after decomposition is cooled, takes out and reclaims; Smoke mixture after decomposition is treated to chemical crude oil and fuel gas through smoke mixture recycling and processing device, realizes the recycling of material.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, the body of heater of described thermal treatment unit is to be made up of refractory metal material, it comprises the charging preparation room of front end, the pyrolytic decomposition chamber of centre and the solid discharging cooling room of end, relatively independent setting between each chamber, wherein, described pyrolytic decomposition chamber be one can be independent sealed structure, it can be opened or close other two Room relatively, the indoor radiation formula electric heater unit that is provided with of described pyrolytic decomposition, and be connected with described smoke mixture recycling and processing device by vacuum pump; Glass fiber reinforced plastic wastes is transferred between described charging preparation room, pyrolytic decomposition chamber and solid discharging cooling room by transport unit.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, between described charging preparation room and pyrolytic decomposition chamber, be provided with the first lifting insulated door, between described pyrolytic decomposition chamber and solid discharging cooling room, be provided with the second lifting insulated door, described the first lifting insulated door and the second lifting insulated door include the pneumatic lifter of a body and door body top, door body is made up of resistant to elevated temperatures metallic substance, Men Tiyi side is provided with the thermal insulation layer being made up of lagging material, by the lifting action of the first lifting insulated door and the second lifting insulated door described in travel switch control.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, the outer wall of described charging preparation room, pyrolytic decomposition chamber, solid discharging cooling room is bilayer structure, the outlet portal of the access doors of charging preparation room front end and solid discharging cooling room rear end is arc two storied gate, and the intermediate course between each several part outer wall is filled with deionized water and forms water-cooling circulating system.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, is provided with vacuum pump, vacuum pressure gauge on described charging preparation room, and when consistent with pyrolytic decomposition chamber vacuum keep, the first lifting insulated door in the middle of just opening, is advanced into pyrolytic decomposition chamber by material frame; On described solid discharging cooling room, vacuum pump, vacuum pressure gauge are installed, when consistent with pyrolytic decomposition chamber vacuum keep, the second lifting insulated door in the middle of just opening, will expect frame pull-out pyrolytic decomposition chamber.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, the indoor heating chamber that is provided with of described pyrolytic decomposition, described heating chamber is made up of resistant to elevated temperatures metal frame, four sides, inner side is provided with corrosion resistant ribbon heater, and is fixed on framework and is formed heating zone by insulation porcelain head, and outside is provided with the heat shield liner of lagging material composition, described heating chamber bottom is provided with siege, and described siege is made up of refractory metal material.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, the bottom of described siege is supported by multiple siphunculus, and described siphunculus is through heating chamber thermal insulation layer and pyrolytic decomposition chamber outer wall and be welded in pyrolytic decomposition chamber outer wall, be used for connecting power supply, and be provided with high-temperature resistant seal ring in described siphunculus.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, argon gas or nitrogen injection device are equipped with in described pyrolytic decomposition chamber, and this argon gas or nitrogen injection device be to be communicated to pyrolytic decomposition chamber by a magnetic valve, and this magnetic valve also bypass is equipped with manually-operated gate; Once leaking appears in pyrolytic decomposition chamber, cause internal-combustion to reach a high temperature and dangerous pressure, system will be opened magnetic valve automatically, cover towards a large amount of argon gas of indoor injection or nitrogen, if magnetic valve breaks down, manually-operated gate is equipped with in bypass, opens in time manually-operated gate, covers towards a large amount of argon gas of indoor injection or nitrogen.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, described solid discharging cooling room internal upper part is equipped with air-cooling apparatus, this air-cooling apparatus comprises motor and impeller, by driven by motor vane rotary, make internal gas flow and solid discharging cooling room interlayer in circulation deionized water form heat exchange, thereby reach air cooling effect.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, described transport unit comprises the set roller devices in heating chamber inner bottom part siege top, the roller wheel traction device arranging in the roller thrust unit arranging in charging preparation room and solid discharging cooling room, wherein, described roller thrust unit comprises the first motor, the first screw mandrel and the first idler wheel mechanism, connect the first screw mandrel and drive the first idler wheel mechanism that the material frame that glass fiber reinforced plastic wastes is housed is advanced into pyrolytic decomposition chamber from charging preparation room by being located at the first motor of this transmission mechanism tail end, described roller wheel traction device comprises the second motor, the second screw mandrel and the second idler wheel mechanism, it connects the second screw mandrel and drives the second idler wheel mechanism that the material frame that glass fiber reinforced plastic wastes is housed is drawn to solid discharging cooling room from the pull-out of pyrolytic decomposition chamber by being located at the second motor of this transmission mechanism front end, the height of the horizontal operation face of the roller wheel traction device in roller thrust unit, the described solid discharging cooling room of the set roller devices of described heating chamber inner bottom part siege, described charging preparation room is consistent.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, the body of heater of described thermal treatment unit is two-part unitized construction, it is in the middle of pyrolytic decomposition chamber, to be provided with detachable joint portion, this joint portion is provided with resistant to elevated temperatures sealing-ring, and be connected and fixed sealing by screw, to can move and open to two ends respectively when repair and maintenance.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, described smoke mixture is processed retrieving arrangement and is comprised dedusting catalytic reforming unit, described dedusting catalytic reforming unit comprises dedusting section and catalytic section, and be provided with gas inlet and outlet, the services aperture upgraded for dedusting section and for discharging the removal dirt mouth of impurity, after processing, enter cooling liquid retrieving arrangement from pneumatic outlet through dedusting section, catalytic section from the smoke mixture of pyrolytic decomposition chamber respectively by gas feed.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, described catalytic section is made up of catalyzer and skeleton thereof, and smoke mixture reduces through catalyst reforming reaction the content that noncondensable gas or small molecules can not liquefied gas, reclaims to greatest extent chemical feedstocks.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, described smoke mixture is processed retrieving arrangement and is also comprised cooling liquid retrieving arrangement, described cooling liquid retrieving arrangement comprises condensation collection device and air pump, described condensation collection device comprises condenser and oil trap, the import of condenser is connected with the pneumatic outlet of dedusting catalytic reforming unit, oil trap is led in its underpart outlet, oil trap is provided with fuel outlet, under the drive of smoke mixture at air pump obtaining through dedusting catalytic reforming unit, entered by condenser inlet and be subject to the water cooling in condenser chuck and form oily matter and enter oil trap.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, described condensation collection device comprises condenser more than two-stage, the gas that is not cooled in time oily matter by previous stage condenser continues to enter next stage condenser inlet, is again formed oily matter and is entered oil trap by the water cooling in next stage condenser chuck.
Decomposition recycling device of glass fiber reinforced plastics as above, wherein, described smoke mixture is processed retrieving arrangement and is also comprised that reclaiming air water seals and gas holder, the downstream of condenser is located in described water seal, residue noncondensable gas after cooling liquid retrieving arrangement enters and reclaims air water envelope through air pump outlet, finally enters gas holder and uses as fuel gas.
The features and advantages of the invention are: the present invention utilizes aforesaid method and device that glass fiber reinforced plastic wastes is decomposed into unsaturated polyester fat raw material, glass fibre, filler again.Unsaturated polyester fat raw material and glass fibre can be used for again making glass reinforced plastic, filler (talcum powder adding while being mainly glass reinforced plastic making) can be used for doing agricultural fertilizer, acid-basicity that can balance soil, also can be used for being re-used as the raw material of making glass reinforced plastic.So just realize the reproducible utilization of glass fiber reinforced plastic wastes, greatly reduced the pollution to environment.
The present invention has adopted vacuum high-temperature decomposition technique in conjunction with catalytic reforming technology, reduce the loss of energy, the efficiency of pyrolytic decomposition and the yield of chemical feedstocks are improved, cooling liquid retrieving arrangement has effectively solved oil gas and has not contacted with water coolant, reach in cooling liquid and produce without waste water, be different from some water and produce the device of secondary pollution as reclaiming liquid processing oil gas, thereby improve the comprehensive utilization ratio that glass fiber reinforced plastic wastes reclaims, reduce the pollution to environment, thereby reduce the input of fund, for glass reinforced plastic recycling provide one more practical, environmental protection, energy-conservation technical scheme.
Brief description of the drawings
Fig. 1 is the schematic diagram of a specific embodiment of glass reinforced plastic recovery method of the present invention.
Fig. 2 is the structural representation of the thermal treatment unit of a specific embodiment of decomposition recycling device of glass fiber reinforced plastics of the present invention.
Fig. 2 A is the local enlarged diagram in corresponding diagram 2.
Fig. 2 B is the side-view of the thermal treatment unit in Fig. 2.
The structural representation of the heating chamber that Fig. 2 C adopts for this embodiment in Fig. 2.
Fig. 3 is the structural representation of the feeding unit of a specific embodiment employing of decomposition recycling device of glass fiber reinforced plastics of the present invention.
Fig. 4 is the structural representation of the cooling liquid retrieving arrangement of a specific embodiment of decomposition recycling device of glass fiber reinforced plastics of the present invention.
The structural representation of the transport unit that the specific embodiment that Fig. 5 A to Fig. 5 B is decomposition recycling device of glass fiber reinforced plastics of the present invention adopts.
Fig. 6 is the schematic diagram of the cooling liquid retrieving arrangement water circulation system of decomposition recycling device of glass fiber reinforced plastics one specific embodiment of the present invention.
Drawing reference numeral explanation:
1, access doors 2, body of heater 3,22, lifting insulated door
4, joint portion 5, sealing-ring 7, water-cooling circulating system
71, recycle pump 8, air-cooling apparatus 9, sealing-ring
10, roller thrust unit 11, siege 110, roller devices
111, siphunculus 12, transport trolley 121, universal wheel
122, Metal Contact Rollers mechanism 13, material frame 14, charging preparation room
15 pyrolytic decomposition chambers 16, solid discharging cooling room 17, heating chamber
171, heating unit 172, framework 173, thermal insulation layer
18,19,20, vacuum pump 21, gas recovery pipeline 23,29, air Injection valve
24,25, tensimeter 26,28,30, temperature sensor 27, argon gas or nitrogen injection device
271, magnetic valve 272, manual valve 31, body of heater outlet portal
32, roller wheel traction device 33, tensimeter 34, dedusting catalytic reforming unit
341, catalytic section 342, dedusting section 343, services aperture
344, remove dirt mouth 35, cooling liquid device 351, air pump
352,353, condenser 354,355, oil trap 356, water seal
357, gas holder 101, motor 102, screw mandrel
103, roller 104, track
Embodiment
The present invention proposes a kind of glass reinforced plastic recovery method, described recovery method comprises high-temperature heat treatment and smoke mixture recycling, wherein high-temperature heat treatment is that under vacuum condition, to adopt electrothermal method be solid and smoke mixture by pending glass fiber reinforced plastic wastes pyrolytic decomposition, and the solid residue after high-temperature heat treatment is reclaimed; And smoke mixture recycling is that the smoke mixture producing in high-temperature heat treatment process is processed into chemical crude oil and the fuel gas that can reclaim.
Preferably, this smoke mixture recycling comprises catalytic reforming processing and cooling liquid processing, catalytic reforming processing is that the smoke mixture to producing after high temperature pyrolysis is carried out catalytic reforming, utilizes catalytic reforming reaction to reduce the content that noncondensable gas or small molecules can not liquefied gas; And cooling liquid processing is that after catalytic reforming is processed, the smoke mixture of acquisition is carried out cooling formation oily matter and collects this oily matter.
As a kind of application example of above-mentioned recovery method, the present invention also proposes a kind of decomposition recycling device of glass fiber reinforced plastics, described recovery system sequentially comprises thermal treatment unit, dedusting catalytic reforming unit and cooling liquid retrieving arrangement, described thermal treatment unit is, under vacuum condition, pending glass fiber reinforced plastic wastes is carried out to pyrolytic decomposition, after the solid residue after decomposition is cooled, takes out and reclaims; Smoke mixture after decomposition, after the dedusting of dedusting catalytic reforming unit, catalytic treatment, then is treated to chemical crude oil by cooling liquid retrieving arrangement, realizes the recycling of material.
The present invention adopts electrothermal method to carry out high temperature pyrolysis recycling to glass fibre reinforced plastic waste under vacuum condition, glass reinforced plastic at high temperature changes into gaseous state, forms the oily matter of the organic compound of different structure through condensation, residuum glass fibre in pyrolysis, filler (glass reinforced plastic manufacture in additive) are recycling after treatment, and oily matter can be used as oil fuel or be further processed into and make the industrial chemicals that glass reinforced plastic is used.Pyrolysis temperature of the present invention is relatively low, and security is good, and energy consumption is low, and can reduce and pollute and carbon emission.
In aforementioned high temperature heat treatment step, preferably also be included in charging preparation step and solid discharging cooling step, the method be utilize three relatively independent and can open and close be communicated with space sequentially carry out described charging preparation, high-temperature heat treatment and solid discharging cooling step, and wherein comprise electrically heated chamber independent and sealing for the space of high-temperature heat treatment, described solid discharging cooling step is that the solid residue after adopting the mode of air cooling to pyrolytic decomposition carries out cooling, after cooling, take out, reclaim glass fibre, filler.Further, aforementioned each space is all equiped with vacuum pump, and two spaces for charging preparation step and solid discharging cooling step are equiped with gas injection apparatus, after pressure between current working space and next working space is consistent, send into again or shift out action.
Further, in cooling liquid place step, be preferably and comprise described smoke mixture is carried out to more than twice cooling collection and treatment, when cooling collection and treatment for the first time, collect the oily matter forming through contactless water-cooled, and proceed contactless water-cooled for the second time to not being cooled in time the gas of oily matter, to form oily matter and to collect.Preferably, in cooling liquid place step, also comprise that depositing residue noncondensable gas in gas holder by recovery air water envelope as fuel gas generates electricity for combustion heat supplying, as the power using in high temperature heat treatment step, reclaim air water envelope for security device, prevent that fuel gas from pouring in down a chimney.
Utilize aforesaid method, the present invention adopts contactless Water Cooling Technology when cooling, smoke mixture does not contact with water coolant, reach the object producing without waste water in cooling liquid, thereby effectively solved the defect of the secondary pollution that in prior art, water brings as recovery liquid smoke treatment mixture.
For recovery system of the present invention, its pyrolytic decomposition is indoor be preferably be provided with can be airtight or open heating chamber, heating chamber is made up of resistant to elevated temperatures metal frame, four sides, inner side is provided with corrosion resistant ribbon heater, and be fixed on and on framework, form electrically heated district by insulation porcelain head, resistant to elevated temperatures radial lamella tiles below surrounding heat tape, form radiation formula electrically heated district, the heat that send ribbon heater needs glass reinforced plastic material radiation delivery heat to be processed to center through radial lamella, be rapidly heated, carry out pyrolytic decomposition glass reinforced plastic material, outside is provided with the heat shield liner of lagging material composition, heating chamber bottom is provided with siege, described siege is made up of refractory metal material.
Preferably, the body of heater of thermal treatment unit adopts two-part unitized construction, it is to be provided with detachable joint portion at the mid-way place of corresponding pyrolytic decomposition chamber, this joint portion is provided with resistant to elevated temperatures sealing-ring, and be connected and fixed sealing by screw, to can move and open to two ends respectively when repair and maintenance.
Coordinate drawings and the specific embodiments to be described in further detail method of the present invention below.
As shown in Figure 1, it is the schematic diagram of a specific embodiment of glass reinforced plastic recovery method of the present invention.In the present embodiment, this recovery method comprises the following steps:
Charging: pack glass fiber reinforced plastic wastes into material loading frame, and be transported to charging with transport trolley and prepare space and wait for, prepare after first lifting insulated door between space and pyrolytic decomposition space is opened will fill by transport unit in the heating chamber in material frame propelling pyrolytic decomposition space of glass reinforced plastic until charging;
Vacuum pyrolysis: adopting electrothermal method under vacuum condition is solid and smoke mixture by pending glass fiber reinforced plastic wastes pyrolytic decomposition;
Solid discharging is cooling: the solid residue after adopting the mode of air cooling to high temperature pyrolysis carries out cooling, takes out after cooling, reclaims glass fibre, filler;
Dedusting, catalytic reforming, carry out dust removal process to the smoke mixture obtaining after decomposing in high temperature heat treatment step, removes dust impurity particle; Subsequently the smoke mixture after dust removal process is carried out to catalytic reforming, utilize catalytic reforming reaction to reduce the content that noncondensable gas or small molecules can not liquefied gas; The smoke mixture producing in the process of recovery solid slag also can be further through this step dedusting, catalytic reforming, in order to reclaiming more completely;
Cooling liquid: the smoke mixture obtaining after catalytic reforming is processed is carried out cooling formation oily matter and collects this oily matter; The present embodiment comprises smoke mixture is carried out to more than twice cooling collection and treatment: when cooling collection and treatment for the first time, collect the oily matter forming through contactless water-cooled; Then, proceed contactless water-cooled for the second time to not being cooled in time the smoke mixture of oily matter, further to form oily matter and to collect chemistry oil as industrial chemicals;
Finally, residue noncondensable gas is stored to burning gas gas holder by reclaiming air water envelope as fuel gas, and for combustion heat supplying generating, wherein all or part of can be as the power using in high temperature heat treatment step, reclaim air water envelope for security device, prevent that fuel gas from pouring in down a chimney.
In the present embodiment, be utilize three relatively independent and can open and close be communicated with space sequentially carry out charging preparation, high-temperature heat treatment and solid discharging cooling step, each space is all equiped with vacuum pump, two spaces for charging preparation step and solid discharging cooling step are equiped with gas injection apparatus, and what between current working space and next working space (or external world), pressure carried out next step after consistent again sends into or shift out operation.
And according to foregoing description, those skilled in the art can understand, in the present invention, can make cooling liquid recovery more complete by strengthening water-cooled area, reduce gas flow rate, strengthen water cycle flow and/or reducing water temperature.
Describe known by above-mentioned steps, in transport trolley material loading frame, fill after glass fiber reinforced plastic wastes, entering into charging preparation room waits for, open first lifting insulated door (between preparation room and pyrolytic decomposition chamber), by transport unit, the material frame of filling glass reinforced plastic is advanced to pyrolytic decomposition chamber, inside there is the heat radiation device of adding to carry out pyrolytic decomposition to it, decompose the smoke mixture producing and pump to dedusting catalytic reforming unit by vacuum pump, cooling liquid retrieving arrangement, and through being cooled to fast chemical crude oil, decompose complete, solid residue is towed to solid cooled chamber, carry out air cooling, cooling complete taking-up.
The present invention utilizes aforesaid method that glass fiber reinforced plastic wastes is decomposed into unsaturated polyester fat raw material, glass fibre, filler again.Unsaturated polyester fat raw material and glass fibre can be used for again making glass reinforced plastic, filler (talcum powder adding while being mainly glass reinforced plastic making) can be used for doing agricultural fertilizer, acid-basicity that can balance soil, also can be used for being re-used as the raw material of making glass reinforced plastic.So just realize the reproducible utilization of glass fiber reinforced plastic wastes, greatly reduced the pollution to environment.And; glass reinforced plastic pyrolytic decomposition recovery method of the present invention adopts electrothermal method by glass fiber reinforced plastic wastes pyrolytic decomposition under vacuum condition; can realize with lower temperature the decomposition of glass fiber reinforced plastic wastes; and avoided because of fuel combustion produce pollution; both saved the energy; protect again environment, overcome the defect of prior art.
Coordinate drawings and the specific embodiments to be described in further detail recovery system of the present invention below, simultaneously in conjunction with preceding method, can understand more accurately corresponding technical scheme in order to those skilled in the art.
As shown in Figure 2, Figure 3, Figure 4, it is respectively the structural representation of thermal treatment unit, feeding unit and cooling liquid retrieving arrangement in a specific embodiment of decomposition recycling device of glass fiber reinforced plastics of the present invention.
In the present invention, this decomposition recycling device of glass fiber reinforced plastics comprises thermal treatment unit, solid slag retrieving arrangement and smoke mixture retrieving arrangement, thermal treatment unit is under vacuum condition, to adopt electrothermal method that pending glass fiber reinforced plastic wastes is carried out to pyrolysis, and the solid residue after pyrolysis is reclaimed by the cooling rear taking-up of solid slag retrieving arrangement; The smoke mixture producing after pyrolysis obtains chemical crude oil and fuel gas after utilizing smoke mixture retrieving arrangement to process, and realizes the recycling of material.
Shown in Fig. 2 to Fig. 2 C, in specific embodiments of the invention, thermal treatment unit is to be made up of refractory metal material, it comprises the charging preparation room 14 of front end, the pyrolytic decomposition chamber 15 of centre and the solid discharging cooling room 16 of end, and solid discharging cooling room 16 can be used as solid slag retrieving arrangement.Between charging preparation room 14 and pyrolytic decomposition chamber 15, be provided with the first lifting insulated door 3, between pyrolytic decomposition chamber 15 and solid discharging cooling room 16, be provided with the second lifting insulated door 22, in pyrolytic decomposition chamber 15, be provided with radiation formula electric heater unit, and be connected with dedusting catalytic reforming unit 34 by vacuum pump 19; Glass fiber reinforced plastic wastes is by transport unit handover between charging preparation room 14, pyrolytic decomposition chamber 15 and solid discharging cooling room 16.
As shown in Figure 3, feeding unit comprises transport trolley 12 and material frame 13, and transport trolley 12 is made up of metal frame, and framework upper is provided with Metal Contact Rollers mechanism 122, carries this glass reinforced plastic material frame 13 on idler wheel mechanism, and multiple Universal wheels 121 are installed in framework bottom.
In the present embodiment, the body of heater 2 of thermal treatment unit is separated into charging preparation room 14, pyrolytic decomposition chamber 15 and solid discharging cooling room 16, work entirety of three working spaces's compositions, furnace body outer wall is bilayer structure, the access doors 1 of the body of heater of charging preparation room 14 front ends is arc two storied gate with the outlet portal 31 of the body of heater of solid discharging cooling room 16 rear ends, door is provided with resistant to elevated temperatures sealing-ring 9 with body of heater is middle, for the sealing of import and export door.When work, start recycle pump 71 (shown in Fig. 2 A), in three working spaces's interlayers, inject the deionized water circulating, form water-cooling circulating system 7, the outer wall of Shi Ge working spaces keeps a safety temperature.
Preferably, the body of heater of thermal treatment unit is two-part unitized construction, as shown in Figure 2 A, it is in the middle of pyrolytic decomposition chamber 15, to be provided with detachable joint portion 4, this joint portion is provided with resistant to elevated temperatures sealing-ring 5, and be connected and fixed sealing by screw, to can move and open to two ends respectively when repair and maintenance.
Charging preparation room 14 is as the cushioning pocket entering before pyrolytic decomposition chamber 15, for ensureing the operating environment that the smoke mixture in pyrolytic decomposition chamber 15 can not leak outside thermal treatment unit, its bottom is provided with roller thrust unit 10, drives roller 103 that the material frame that glass reinforced plastic is housed is advanced into pyrolytic decomposition chamber 15 by motor 101 connection wire rods 102.Charging preparation room 14 tops are provided with vacuum pump 18, vacuum pressure gauge 24, with pyrolytic decomposition chamber 15 vacuum keeps when consistent, and the first lifting insulated door 3 in the middle of just opening, and material frame 13 is advanced into pyrolytic decomposition chamber 15.
In pyrolytic decomposition chamber 15, be provided with independent sealed heating chamber 17, heating chamber 17 is made up of resistant to elevated temperatures metal frame, 15 two ends, pyrolytic decomposition chamber are provided with lifting insulated door 3 and 22, using as and charging preparation room 14, the solid discharging cooling room 16 at two ends between separation; Each lifting insulated door comprises the pneumatic lifter at a body, door body top, and door body is arranged in guide rail, and door body inner side forms thermal insulation layer by lagging material, and the lifting of whole door is by travel switch control.
Radiation formula electric heater unit 171 is, at heating chamber 17 four sides, inner side, corrosion resistant ribbon heater is set, and anti-corrosion ribbon heater is fixed on framework 172 and is formed heating zone by insulation porcelain head, framework 172 outsides are by the coated thermal insulation layer 173 (heat shield liner) that forms of lagging material, to keep the temperature in pyrolytic decomposition chamber 15, thereby save energy; The siege 11 of heating chamber 17 bottoms is made up of refractory metal material, and siege 11 tops are provided with roller devices 110, and the height of its operating water plane is consistent with the horizontal operation face height of other two internal trolley mechanisms of working spaces; The bottom of siege 11 is supported by multiple siphunculus 111, and each siphunculus 111 passes the thermal insulation layer 173 of heating chamber 17 and the outer wall of pyrolytic decomposition chamber 15, and is welded on this outer wall, not only can support siege 11, also can be used for outside line in it wears heating chamber 17; In each siphunculus 111, be preferably and be provided with high-temperature resistant seal ring, to avoid the smoke mixture in heating chamber 17 to escape.
15 tops, pyrolytic decomposition chamber are provided with vacuum pump 19, incessantly the flue gas producing in pyrolysis process are pumped to catalytic reforming cleaning apparatus 34 by gas recovery pipeline 21.
As shown in Figure 2, the first lifting insulated door 3 at 15 two ends, pyrolytic decomposition chamber and the second lifting insulated door 22 comprise respectively the pneumatic lifter of a body and door body top, door body is made up of resistant to elevated temperatures metallic substance, and medial surface or the outer side of door body are equipped with the thermal insulation layer being made up of lagging material, door limit, the body left and right sides is preferably and is installed in (not shown) in guide rail, in order to improving operational stability, the lifting action of each is by travel switch control.As for concrete setting position and the manner of execution of travel switch, due to its common knowledge that is association area, no longer describe in detail herein.
Air-cooling apparatus 8 is equipped with on solid discharging cooling room 16 tops, this air-cooling apparatus 8 comprises the motor of being located at outside solid discharging cooling room 16 and is located at the impeller of solid discharging cooling room 16 inside, by driven by motor vane rotary, make internal gas flow and solid discharging cooling room interlayer in circulation deionized water form heat exchange, thereby reach air cooling effect, and motor speed is by Frequency Converter Control.Solid discharging cooling room 16 inner bottom parts are provided with roller wheel traction device 32, with by the material frame traction pull-out in pyrolytic decomposition chamber 15, specifically refer to subsequent content.
As shown in the above, the transport unit of the present embodiment comprises the heating chamber 17 set roller devices 110 in inner bottom part siege 11 tops, the roller wheel traction device 32 of the roller thrust unit 10 of charging preparation room 14 and the 16 interior settings of solid discharging cooling room, wherein, the structure of roller thrust unit 10 and roller wheel traction device 32, mode of operation is similar, taking roller thrust unit 10 as example, shown in Fig. 5 A to Fig. 5 B, roller thrust unit 10 comprises motor 101, screw mandrel 102 and idler wheel mechanism, be located at the tail end of this roller thrust unit 10 by this motor, its output terminal connects this leading screw 102, idler wheel mechanism comprises track 104 and is located at the multiple rollers 103 in track, motor 101 connection wire rods 102 and drive idler wheel mechanism the material frame that glass fiber reinforced plastic wastes is housed is advanced into pyrolytic decomposition chamber 15 from charging preparation room 14, set-up mode and structure more specifically can be understood according to aforementioned description and accompanying drawing those skilled in the art, no longer describe in detail herein, the structure of roller wheel traction device 32 similarly, be symmetrical arranged, drive corresponding idler wheel mechanism that the material frame 13 that glass fiber reinforced plastic wastes is housed is pulled out from pyrolytic decomposition chamber 15 and drawn to solid discharging cooling room 16 by being located at the motor connection wire rod of these roller wheel traction device 32 front ends, the set roller devices 110 of heating chamber 17 inner bottom part sieges 11 is not established drive unit, it can pass in and out this pyrolytic decomposition chamber 15 by the traction of the promotion of roller thrust unit 10 and roller wheel traction device 32, preferably, the height of the horizontal operation face of the roller wheel traction device 32 in the roller devices 110 of heating chamber 17, the roller thrust unit 10 of charging preparation room 14 and solid discharging cooling room 16 is consistent, in order to the convenience of operation.
Except above primary structure, two temperature sensors 26,28 are housed, to monitor in real time the internal temperature of pyrolytic decomposition chamber 15 on the pyrolytic decomposition chamber 15 of the present embodiment; Tensimeter 24,25,33 is equipped with on top in each working spaces, is convenient to keep each working spaces's pressure consistent, is easy to open and promotes insulated door 3 and 22 and front end door (import 1) and end door (outlet portal 31).
Charging preparation room 14 and solid discharging cooling room 16 tops are equipped with respectively manual gas and are injected valve 23,29.Inject valve 23 by opening manual gas, can, to the interior injecting gas of charging preparation room 14, itself and ambient pressure are consistent, now just can open access doors 1; Inject valve 29 by opening manual gas, can, to solid discharging cooling room 16 interior injecting gas, make its room pressure the same with external air pressure, now just can open outlet portal 31.
In addition, argon gas or nitrogen injection device 27 are equipped with in 15 tops, pyrolytic decomposition chamber, and this argon gas or nitrogen injection device 27 are to be communicated to pyrolytic decomposition chamber 15 by a magnetic valve 271.Preferably, this magnetic valve 271 is and manually-operated gate 272 is equipped with in bypass.Once leaking appears in pyrolytic decomposition chamber 15, cause thermal treatment unit internal-combustion to reach default high temperature and a dangerous pressure, system will be opened magnetic valve 271 automatically, towards injecting a large amount of argon gas in body of heater or nitrogen covers, if magnetic valve 271 breaks down, only need open in time manually-operated gate 272, cover towards a large amount of argon gas of the interior injection in pyrolytic decomposition chamber 15 or nitrogen, thus the security that improves whole thermal treatment unit.
Known in conjunction with foregoing description, the specific works process of the thermal treatment unit of the present embodiment is as follows:
Open the access doors 1 of charging preparation room, the material frame 13 on transport trolley 12 is advanced to charging preparation room 14, close access doors 1; Then open vacuum pump 18 and 19, whether the vacuum tightness of observing charging preparation room 14 and pyrolytic decomposition chamber 15 by tensimeter 24 and 25 is consistent, as unanimously opened again lifting insulated door 3, the material frame 13 in charging preparation room 14 is advanced to pyrolytic decomposition chamber 15 by material conveying device 10;
Wait expecting that frame 13 enters behind pyrolytic decomposition chamber 15 completely, close lifting insulated door 3, start the electric heater unit 171 in pyrolytic decomposition chamber 15 thereupon, carry out radiation heating under vacuum state material (glass fiber reinforced plastic wastes);
Treat that material decomposes complete in pyrolytic decomposition chamber interior, start solid discharging cooling room 16 top vacuum pumps 20, observe and keep pyrolytic decomposition chamber 15 consistent with the vacuum tightness of solid discharging cooling room 16 by tensimeter 25,33, open again the second lifting insulated door 22, by roller wheel traction device 32, material frame 13 is drawn out to solid discharging cooling room 16, closes immediately lifting insulated door 22;
Start the air-cooling apparatus 8 in solid discharging cooling room 16, pass through manual gas fillup valve 29 injecting gas to solid discharging cooling room 16 simultaneously, by cooling fast the solid residue after decomposing, and observe cooling temperature by temperature sensor 30, cooling complete, open the outlet portal 31 of solid discharging cooling room, material frame 13 is pulled on transport trolley 12 and discharging is transported to storeroom.
Below in conjunction with Fig. 4, the structure of smoke mixture retrieving arrangement is described.
The smoke mixture retrieving arrangement of the present embodiment comprises dedusting catalytic reforming unit 34 and cooling liquid retrieving arrangement 35, the smoke mixture producing in 15 pyrolysis of pyrolytic decomposition chamber is led to after the dedusting of dedusting catalytic reforming unit catalytic reforming processing, then is treated to chemical crude oil by cooling liquid retrieving arrangement.
Dedusting catalytic reforming unit 34 preferably comprises dedusting section 342 and catalytic section 341, and be provided with smoke mixture and import and export, be convenient to services aperture 343 that dedusting section 342, catalytic section 341 upgrade and bottom for discharging the removal dirt mouth 344 of impurity, dedusting section is made up of the fly-ash separator of several groups of parallel connections, its object is that oil gas is removed to greatest extent dust impurity particle after dedusting section, thereby obtain clean gas, impurity is regularly removed by removing dirt mouth; Catalytic section 341 is made up of catalyzer and skeleton thereof, and smoke mixture reduces through catalyst reforming reaction the content that noncondensable gas or small molecules can not liquefied gas, reclaims to greatest extent chemical feedstocks.Smoke mixture (oil gas) from pyrolytic decomposition chamber 15 enters cooling liquid retrieving arrangement 35 from smoke mixture outlet respectively by smoke mixture import after dedusting section 342, catalytic section 341 are processed.
Cooling liquid retrieving arrangement 35 comprises that two-stage cools back receiving apparatus, air pump 351, water seal 356 and gas holder 357, wherein, air pump 351 is located at and is cooled back receiving apparatus downstream end, be pumped to condenser for the smoke mixture that dedusting catalytic reforming unit 34 is sent, every grade cools back receiving apparatus and comprises condenser 352,353 and oil trap 354,355; The smoke mixture obtaining through dedusting catalytic reforming unit 34 is entered by the first condenser 352 imports and is subject to the water cooling in condenser chuck and forms oily matter and enters the first oil trap 354 under the drive of air pump 351, the smoke mixture that is not cooled in time oily matter continues to enter the second condenser 353 imports, form oily matter by the water cooling in its chuck again and enter the second oil trap 355, residue noncondensable gas enters and reclaims air water envelope 356 through air pump 351 outlets, enters gas holder 357 and uses as fuel gas.
As shown in Figure 6, in first, second condenser 352,353 chucks, cooling water intakeoutfall forms closed cycle use, and the heat of taking out of can be by water cooling tower processing, and whole circulation can be completed by a water pump, repeats no more herein.Oily matter (being chemical feedstocks) enters after oil trap 354,355, can emit from the fuel outlet of oil trap.Residue noncondensable gas, through reclaiming air water envelope, enters gas holder by gas, can be used as the generating of fuel gas combustion heat supplying, can solve this recovery system part power.
In the cooling liquid retrieving arrangement treating processes of the present embodiment, smoke mixture (oil gas) does not contact with water coolant, reach in cooling liquid and produce without waste water, overcome some device water in prior art and produced the defect of secondary pollution as reclaiming liquid processing oil gas.
Although the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art; all can be on the basis of aforementioned content description of the present invention; need to carry out appropriate combination to each technical characterictic according to concrete, therefore, in the displacement that does not depart from the equivalent assemblies of having done under the prerequisite of the spirit and scope of the present invention; or equivalent variations and the modification done according to scope of patent protection of the present invention, all should still belong to the category that this patent is contained.
Claims (21)
1. a glass reinforced plastic recovery method, is characterized in that, described recovery method comprises:
High-temperature heat treatment: adopting electrothermal method under vacuum condition is solid and smoke mixture by pending glass fiber reinforced plastic wastes pyrolytic decomposition, solid residue after high-temperature heat treatment is reclaimed, described high temperature heat treatment step also comprises charging preparation step and solid discharging cooling step, this recovery method be utilize three relatively independent and can open and close be communicated with space sequentially carry out charging preparation, high temperature pyrolysis and solid discharging cooling step;
Smoke mixture recycling: the smoke mixture producing in high-temperature heat treatment process is processed into chemical crude oil and the fuel gas that can reclaim; Described smoke mixture recycling step comprises:
Dust removal process step: the smoke mixture obtaining after decomposing in high temperature heat treatment step is carried out to dust removal process, remove dust impurity particle;
Catalytic reforming processing, carries out catalytic reforming to the smoke mixture producing after high temperature pyrolysis, utilizes catalytic reforming reaction to reduce the content that noncondensable gas or small molecules can not liquefied gas;
Cooling liquid processing, comprise described smoke mixture is carried out to more than twice cooling liquid collection and treatment, when cooling liquid collection and treatment for the first time, collect the oily matter forming through contactless water-cooled, and proceed contactless water-cooled for the second time to not being cooled in time the gas of oily matter, further to form oily matter and to collect.
2. glass reinforced plastic recovery method as claimed in claim 1, is characterized in that, it is cooling that described solid discharging cooling step is that the solid residue after adopting the mode of air cooling to pyrolytic decomposition carries out, and takes out after cooling, reclaims glass fibre, filler.
3. glass reinforced plastic recovery method as claimed in claim 2, it is characterized in that, described each space is all equiped with vacuum pump, two spaces for charging preparation step and solid discharging cooling step are equiped with gas injection apparatus, transfer turnover operation after two working space pressure that are associated are consistent again.
4. glass reinforced plastic recovery method as claimed in claim 1, it is characterized in that, in described cooling liquid treatment step, also comprise: deposit residue noncondensable gas in gas holder by reclaiming air water envelope as fuel gas, the gas reclaiming, can be as the part power using in high temperature heat treatment step as fuel gas combustion heat supplying or generating.
5. glass reinforced plastic recovery method as claimed in claim 1, is characterized in that, makes cooling liquid recovery more complete by strengthening water-cooled area, reduce gas flow rate, strengthen water cycle flow and/or reducing water temperature.
6. one kind adopts the decomposition recycling device of glass fiber reinforced plastics of method described in claim 1, it is characterized in that, described recovery system sequentially comprises thermal treatment unit, smoke mixture recycling and processing device, described thermal treatment unit is under vacuum condition, to adopt electrothermal method that pending glass fiber reinforced plastic wastes is carried out to pyrolytic decomposition, after the solid residue after decomposition is cooled, takes out and reclaims; Smoke mixture after decomposition is treated to chemical crude oil and fuel gas through smoke mixture recycling and processing device, realizes the recycling of material.
7. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 6, it is characterized in that, the body of heater of described thermal treatment unit is to be made up of refractory metal material, it comprises the charging preparation room of front end, the pyrolytic decomposition chamber of centre and the solid discharging cooling room of end, relatively independent setting between each chamber, wherein, described pyrolytic decomposition chamber be one can be independent sealed structure, it can be opened or close other two Room relatively, the indoor radiation formula electric heater unit that is provided with of described pyrolytic decomposition, and be connected with described smoke mixture recycling and processing device by vacuum pump; Glass fiber reinforced plastic wastes is transferred between described charging preparation room, pyrolytic decomposition chamber and solid discharging cooling room by transport unit.
8. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 7, it is characterized in that, between described charging preparation room and pyrolytic decomposition chamber, be provided with the first lifting insulated door, between described pyrolytic decomposition chamber and solid discharging cooling room, be provided with the second lifting insulated door, described the first lifting insulated door and the second lifting insulated door include the pneumatic lifter of a body and door body top, door body is made up of resistant to elevated temperatures metallic substance, Men Tiyi side is provided with the thermal insulation layer being made up of lagging material, by the lifting action of the first lifting insulated door and the second lifting insulated door described in travel switch control.
9. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 7, it is characterized in that, the outer wall of described charging preparation room, pyrolytic decomposition chamber, solid discharging cooling room is bilayer structure, the outlet portal of the access doors of charging preparation room front end and solid discharging cooling room rear end is arc two storied gate, and the intermediate course between each several part outer wall is filled with deionized water and forms water-cooling circulating system.
10. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 8, it is characterized in that, on described charging preparation room, vacuum pump, vacuum pressure gauge are installed, when consistent with pyrolytic decomposition chamber vacuum keep, the first lifting insulated door in the middle of just opening, is advanced into pyrolytic decomposition chamber by material frame; On described solid discharging cooling room, vacuum pump, vacuum pressure gauge are installed, when consistent with pyrolytic decomposition chamber vacuum keep, the second lifting insulated door in the middle of just opening, will expect frame pull-out pyrolytic decomposition chamber.
11. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 7, it is characterized in that, the indoor heating chamber that is provided with of described pyrolytic decomposition, described heating chamber is made up of resistant to elevated temperatures metal frame, four sides, inner side is provided with corrosion resistant ribbon heater, and is fixed on framework and is formed heating zone by insulation porcelain head, and outside is provided with the heat shield liner of lagging material composition, described heating chamber bottom is provided with siege, and described siege is made up of refractory metal material.
12. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 11, it is characterized in that, the bottom of described siege is supported by multiple siphunculus, described siphunculus is through heating chamber thermal insulation layer and pyrolytic decomposition chamber outer wall and be welded in pyrolytic decomposition chamber outer wall, be used for connecting power supply, and be provided with high-temperature resistant seal ring in described siphunculus.
13. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 7, it is characterized in that, argon gas or nitrogen injection device are equipped with in described pyrolytic decomposition chamber, and this argon gas or nitrogen injection device be to be communicated to pyrolytic decomposition chamber by a magnetic valve, and this magnetic valve also bypass is equipped with manually-operated gate; Once leaking appears in pyrolytic decomposition chamber, cause internal-combustion to reach a high temperature and dangerous pressure, system will be opened magnetic valve automatically, cover towards a large amount of argon gas of indoor injection or nitrogen, if magnetic valve breaks down, manually-operated gate is equipped with in bypass, opens in time manually-operated gate, covers towards a large amount of argon gas of indoor injection or nitrogen.
14. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 7, it is characterized in that, described solid discharging cooling room internal upper part is equipped with air-cooling apparatus, this air-cooling apparatus comprises motor and impeller, by driven by motor vane rotary, make internal gas flow and solid discharging cooling room interlayer in circulation deionized water form heat exchange, thereby reach air cooling effect.
15. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 7, it is characterized in that, described transport unit comprises the set roller devices in heating chamber inner bottom part siege top, the roller wheel traction device arranging in the roller thrust unit arranging in charging preparation room and solid discharging cooling room, wherein, described roller thrust unit comprises the first motor, the first screw mandrel and the first idler wheel mechanism, connect the first screw mandrel and drive the first idler wheel mechanism that the material frame that glass fiber reinforced plastic wastes is housed is advanced into pyrolytic decomposition chamber from charging preparation room by being located at the first motor of this transmission mechanism tail end, described roller wheel traction device comprises the second motor, the second screw mandrel and the second idler wheel mechanism, it connects the second screw mandrel and drives the second idler wheel mechanism that the material frame that glass fiber reinforced plastic wastes is housed is drawn to solid discharging cooling room from the pull-out of pyrolytic decomposition chamber by being located at the second motor of this transmission mechanism front end, the height of the horizontal operation face of the roller wheel traction device in roller thrust unit, the described solid discharging cooling room of the set roller devices of described heating chamber inner bottom part siege, described charging preparation room is consistent.
16. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 7, it is characterized in that, the body of heater of described thermal treatment unit is two-part unitized construction, it is in the middle of pyrolytic decomposition chamber, to be provided with detachable joint portion, this joint portion is provided with resistant to elevated temperatures sealing-ring, and be connected and fixed sealing by screw, to can move and open to two ends respectively when repair and maintenance.
17. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 6, it is characterized in that, described smoke mixture is processed retrieving arrangement and is comprised dedusting catalytic reforming unit, described dedusting catalytic reforming unit comprises dedusting section and catalytic section, and be provided with gas inlet and outlet, the services aperture upgraded for dedusting section and for discharging the removal dirt mouth of impurity, after processing, enter cooling liquid retrieving arrangement from pneumatic outlet through dedusting section, catalytic section from the smoke mixture of pyrolytic decomposition chamber respectively by gas feed.
18. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 17, it is characterized in that, described catalytic section is made up of catalyzer and skeleton thereof, and smoke mixture reduces through catalyst reforming reaction the content that noncondensable gas or small molecules can not liquefied gas, reclaims to greatest extent chemical feedstocks.
19. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 17, it is characterized in that, described smoke mixture is processed retrieving arrangement and is also comprised cooling liquid retrieving arrangement, described cooling liquid retrieving arrangement comprises condensation collection device and air pump, described condensation collection device comprises condenser and oil trap, the import of condenser is connected with the pneumatic outlet of dedusting catalytic reforming unit, oil trap is led in its underpart outlet, oil trap is provided with fuel outlet, under the drive of smoke mixture at air pump obtaining through dedusting catalytic reforming unit, entered by condenser inlet and be subject to the water cooling in condenser chuck and form oily matter and enter oil trap.
20. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 19, it is characterized in that, described condensation collection device comprises condenser more than two-stage, the gas that is not cooled in time oily matter by previous stage condenser continues to enter next stage condenser inlet, is again formed oily matter and is entered oil trap by the water cooling in next stage condenser chuck.
21. decomposition recycling device of glass fiber reinforced plastics as claimed in claim 19, it is characterized in that, described smoke mixture is processed retrieving arrangement and is also comprised that reclaiming air water seals and gas holder, the downstream of condenser is located in described water seal, residue noncondensable gas after cooling liquid retrieving arrangement enters and reclaims air water envelope through air pump outlet, finally enters gas holder and uses as fuel gas.
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| CN107082586B (en) * | 2016-02-15 | 2021-12-14 | 山东理工大学 | Method for comprehensively utilizing glass fiber reinforced plastic and red mud solid waste with low energy consumption |
| CN107129593A (en) * | 2017-06-30 | 2017-09-05 | 鲍明兰 | Fiberglass recovery system and its recovery method |
| CN107695362A (en) * | 2017-11-02 | 2018-02-16 | 金堆城钼业股份有限公司 | A kind of heating in vacuum decomposes the device and method of molybdenum concntrate |
| CN109605618A (en) * | 2018-11-13 | 2019-04-12 | 蒋遂安 | A kind of scrap glass steel recycling processing method |
| CN109366796A (en) * | 2018-11-13 | 2019-02-22 | 蒋遂安 | A kind of scrap glass steel processing equipment for recycling |
| CN110257088A (en) * | 2019-05-05 | 2019-09-20 | 江阴市富仁高科股份有限公司 | The waste recovery treatment process of glass reinforced plastic oil tank |
| CN113136237B (en) * | 2021-04-26 | 2022-08-30 | 江苏华纳环保科技有限公司 | Decomposition and recovery equipment and recovery method for glass fiber reinforced plastics |
| CN115043575B (en) * | 2022-06-10 | 2023-10-31 | 中山大学 | Method for preparing ultrathin glass by utilizing waste glass containing organic impurities |
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