CN208341345U - A kind of vertical waste printed circuit board moving bed pyrolysis system - Google Patents
A kind of vertical waste printed circuit board moving bed pyrolysis system Download PDFInfo
- Publication number
- CN208341345U CN208341345U CN201820387313.0U CN201820387313U CN208341345U CN 208341345 U CN208341345 U CN 208341345U CN 201820387313 U CN201820387313 U CN 201820387313U CN 208341345 U CN208341345 U CN 208341345U
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- Prior art keywords
- pyrolysis
- shaft
- discharging device
- vibrating shaft
- spiral discharging
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a kind of vertical waste printed circuit board moving bed pyrolysis systems, including being pyrolyzed furnace system, vibrating shaft passes through bell and blind flange along the vertical direction and protrudes into lower chambers, porous helical blade is installed on the vibrating shaft for being located at lower chambers, the tup of Pneumatic knocking hammer, which moves up and down, can hit the top of vibrating shaft, drive vibration shaft vibration, the front of one spiral discharging device is mounted in spiral discharging device installation passage, the outlet of spiral discharging device is connected with discharging reservoir import, it is tilted down in the bottom chamber of vibrating shaft bottom part down and multi-hole orifice is installed towards the import of spiral discharging device installation passage, spiral discharging device import is connect with multi-hole orifice bottom so that the solid product after being pyrolyzed is sent by spiral discharging device into discharging reservoir.High-temperature gas is transferred heat to wiring board particle by the present apparatus, so that vertical direction temperature gradient reduces in pyrolysis oven, pyrolysis temperature distribution is more uniform in furnace, and pyrolysis efficiency can be improved.
Description
Technical field
The utility model relates to a kind of moving bed pyrolysis system, in particular to a kind of vertical waste printed circuit board moving bed
Pyrolysis system belongs to electron wastes resource reclaim and recycling field.
Background technique
Since 20th century, with the raising of people's lives levels of substance and the rapid development of scientific and technological information technology, people couple
The demand of electronics (device) product is continuously increased, and the update speed of electronics (device) product is getting faster, and leads to electronic waste number
Measure more and more, and gradually have become most fast one of the rubbish of global growth rate, how efficiently, quickly, environmental protection is located in
Manage the problem of electron wastes largely increased have become a global concern.Wherein, pyrolysis processing technology has high return
Yield and recycling purity, the advantages that secondary pollution is small, the technology that pyrolysis processing recycles discarded circuit board in recent years receive
The extensive concern and favorable comment of industry.
The key equipment of printed circuit boards scrap by pyrolysis processing is pyrolysis oven, specifically for the pyrolysis oven mesh of printed wiring board
It is preceding to be also rarely reported.Printed wiring board pyrolysis oven is different from other common garbage pyrolysis furnaces, and printed wiring board density is big, completely hot
It is complicated to solve time length, thermal decomposition product, is related to the resource utilizations such as pyrolysis oil, gas product and solid slag, was especially pyrolyzed
Therefore the effective use of heat in the continuous operation of journey and pyrolytic process researches and develops a kind of energy-efficient, good seal performance, company
The pyrolysis system of continuous operation and product separation and recovery is very urgent.
Application No. is the Chinese patents of CN201720179697.2 to disclose a kind of " waste and old line of high-temperature gas seepage flow heating
Road plate fixed-bed pyrolysis system " includes pyrolysis oven, and bottom is equipped with multi-hole orifice in the horizontal direction in pyrolysis oven burner hearth, more
It is respectively arranged with control cabinet side thermocouple and auxiliary heater in the pyrolysis oven burner hearth of hole orifice plate lower part, above multi-hole orifice
Shaft is provided with multiple mounting holes for leading to pyrolysis oven burner hearth, pyrolysis furnace electric thermo-couple is equipped in each mounting hole, on bell
It is provided with the pyrolysis gas escape pipe being connected to pyrolysis oven burner hearth, the outlet of the pyrolysis gas escape pipe and pyrolysis gas condensation are collected
System is connected, and the bottom of pyrolysis oven burner hearth is successively pressurized nitrogen gas tank by high temperature nitrogen air inlet pipe with the pipeline in heater and certainly
Connection.The problem is that the inconvenience that feeds intake into furnace, can not achieve the continuous operation of wiring board pyrolytic process.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies of prior art, provide a kind of energy-efficient, good seal performance, company
The vertical waste printed circuit board moving bed pyrolysis system of continuous operation and product separation and recovery.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of vertical old circuit board moving-bed type pyrolysis system, including pyrolysis furnace system, the pyrolysis furnace system packet
Shaft is included, bell is fixed in the shaft top center, burner hearth is provided among the shaft, in the burner hearth
Insulation construction and pyrolysis furnace outer wall are successively coated on outer wall, the outlet end of high temperature nitrogen air inlet pipe passes through under the insertion of shaft bottom wall
Bottom is arranged in chamber, and the air inlet of the high temperature nitrogen air inlet pipe is connected to one end of the pipeline in nitrogen heater,
Air inlet high temperature break valve is installed, the other end of the pipeline in nitrogen heater is by being equipped in the high temperature nitrogen air inlet pipe
The gas transmission pipeline of nitrogen vortex-shedding meter is connected to from the gas outlet of pressurization nitrogen gas tank, and heater controller and nitrogen heat
Device is connected, and for controlling the heating temperature of heater, electric energy meter is connected with power supply by conducting wire, is disappeared for measuring nitrogen heater
The electricity of consumption is fixed with a blind flange in the burner hearth internal upper part in the horizontal direction, and the blind flange separates burner hearth
For upper chamber independent of each other and lower chambers, feeding-passage and exhaust passage pass through bell and flange along the vertical direction respectively
Lid is connected to lower chambers, and the outlet of the exhaust passage is connected to the pyrolysis gas escape pipe for being equipped with thermometer and pressure gauge,
The outlet of the pyrolysis gas escape pipe is connected with pyrolysis gas condensation collection system；
The import of the feeding-passage is connected to valvular feed pipe is installed, and a vibrating shaft passes through along the vertical direction
Bell and blind flange and lower chambers are protruded into, porous helical blade is installed on the vibrating shaft for being located at lower chambers, is being located at
Be connected with compressed spring on the vibrating shaft of upper chamber, compressed spring in the raw when, corresponding vibration at the top of compressed spring
A horizontally disposed fixed plate, the compressed spring top and fixed plate stationary phase are fixed on the position of moving axis
Even and bottom is supported on gland, and a support rod is respectively fixed on the gland at left and right sides of the compressed spring,
The support bar top is located at below fixed plate, and the top outside bell and the hammer of Pneumatic knocking hammer is arranged in the vibrating shaft
Head is oppositely arranged, and the tup of Pneumatic knocking hammer moves up and down and can hit the top of vibrating shaft, drives vibration shaft vibration, described
The support of Pneumatic knocking hammer is fixed on bell, and the Pneumatic knocking hammer is connected by hose with air compressor, is being vibrated
Axis and flange hd top face intersection are cased with sealed packing sealing, and the sealed packing is mounted in cuff, and the cuff is solid
It is scheduled on blind flange, the gland is covered on vibrating shaft by intermediate aperture and is bolted on the cuff top
Portion, the gland bottom squeeze are close using o type at the roof intersection of the gland and vibrating shaft on sealed packing top surface
Seal sealing, tilts down in the restoration of lower stack and is provided with spiral discharging device installation passage, the front of a spiral discharging device
It is mounted in spiral discharging device installation passage, the outlet of the spiral discharging device is connected with discharging reservoir import, is vibrating
The bottom chamber of axis bottom part down tilts down and is equipped with multi-hole orifice towards the import of spiral discharging device installation passage, described
Spiral discharging device import connect with multi-hole orifice bottom so that the solid product after being pyrolyzed is given by the spiral discharging device
Into discharging reservoir；One end of five horizontal stainless steel tubes horizontally pass through shaft insertion lower chambers setting and it is another
End is arranged outside shaft, arranged for interval above and below five horizontal stainless steel tubes, wherein being located at lowest part and close to high temperature nitrogen air inlet
One is equipped in a piece horizontal stainless steel tube in the exit of pipe for measuring high-temperature gas inlet temperature in bottom in burner hearth
Temperature thermocouple is separately installed with three in remaining four superposed horizontal stainless steel tubes and protrudes into lower chambers and length
Different temperature thermocouples is respectively used to the fire box temperature of measurement sustained height difference radial position, for measuring in pyrolysis oven
Temperature Distribution, the temperature thermocouple described in each is connected with data collecting instrument, in four superposed horizontal stainless steels
The shaft outer side of pipe is separately installed with pressure transmitter, and the pressure transmitter passes through control line and data collecting instrument respectively
It is connected, for measuring the distribution of the pressure in pyrolysis oven.
Compared with prior art, the utility model has the following beneficial effects: the present apparatus is using high-temperature gas as heat carrier
Wiring board particle is transferred heat to, so that vertical direction temperature gradient reduces in pyrolysis oven, pyrolysis temperature distribution is more equal in furnace
It is even, pyrolysis efficiency can be improved.It is formed simultaneously oxygen-free environment, the formation of dioxin, furans is suppressed, reduces
Pollution to environment.The present apparatus uses Pneumatic knocking hammer, and the related helical blade of percussion vibration axis vibrates up and down, makes to discard
PCB granule materials are slowly fallen in burner hearth, realize being carried out continuously for pyrolytic process.The company of beche vibrating shaft and pyrolysis furnace body
Sealing is connect using packing_seal method, guarantees good sealing effect, and there is stronger stabilization under high temperature, high pressure operating condition
Property and reliability.The waste printed circuit board handled by the system, metal and the nonmetallic rate of recovery and recycling purity all compare
It is higher.It is pyrolyzed the gas generated and product liquid is also used as fuel or industrial chemicals utilizes, realize waste and old printed wire
The resource utilization of plate utilizes.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of vertical old circuit board moving-bed type pyrolysis system of the utility model；
Fig. 2 is the structural schematic diagram of the pyrolysis oven in the utility model system shown in FIG. 1；
Fig. 3 is enlarged diagram at the A of the utility model structure shown in Fig. 2.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
A kind of vertical old circuit board moving-bed type pyrolysis system of the utility model as shown in Figure 1, including pyrolysis oven
System 8, the pyrolysis furnace system 8 include shaft, bell 39 are fixed in the shaft top center, in the shaft
Centre is provided with burner hearth 23, and the burner hearth 23 can be surrounded using 304 stainless steel plates are coiling welded, in 23 internal upper part of burner hearth
It is fixed with a blind flange 31 in the horizontal direction, burner hearth 23 is divided into upper chamber independent of each other and cavity of resorption by the blind flange
Room is successively coated with insulation construction 22 and pyrolysis furnace outer wall 25 on the hearth outer wall.Feeding-passage and exhaust passage
Bell and blind flange is passed through along the vertical direction respectively to be connected to lower chambers, the outlet of the exhaust passage with temperature is installed
Table 29 is connected to the pyrolysis gas escape pipe 9 of pressure gauge 30, and system is collected in the outlet of the pyrolysis gas escape pipe 9 and pyrolysis gas condensation
System is connected.
The outlet end of high temperature nitrogen air inlet pipe 6 passes through shaft bottom wall insertion bottom chamber bottom setting, high temperature nitrogen air inlet
There are two effects for the tool of pipe 6, first is that as high temperature nitrogen air inlet pipe, second is that as cleaning door 18, because falling in pyrolytic process
Material it is seldom, it is possible to use simultaneously, the outlet of the high temperature nitrogen air inlet pipe 6 setting is described in bottom chamber bottom
The air inlet of high temperature nitrogen air inlet pipe 6 be connected to one end of the pipeline in nitrogen heater 5.In the high temperature nitrogen air inlet
Air inlet high temperature break valve 7 is installed on pipe 6.The other end of pipeline in nitrogen heater 5 is by being equipped with nitrogen vortex-shedding meter 2
Gas transmission pipeline with from pressurization nitrogen gas tank 1 gas outlet be connected to.Heater controller 4 is connected with nitrogen heater 5, is used for
Control the heating temperature of heater.Electric energy meter 3 is connected by conducting wire with power supply, for measuring the electricity of the consumption of nitrogen heater 5.
The import of the feeding-passage is connected to valvular feed pipe is installed, and a vibrating shaft 26 is worn along the vertical direction
It crosses bell and blind flange 31 and protrudes into lower chambers, porous helical blade is installed on the vibrating shaft 26 for being located at lower chambers
24, be located at upper chamber vibrating shaft on be connected with compressed spring 41, compressed spring in the raw when, compressed spring top
A horizontally disposed fixed plate 42 is fixed on the position of the corresponding vibrating shaft in portion.At the top of the compressed spring with
Fixed plate 42 is fixedly linked and bottom is supported on gland 36, on the gland 36 of 41 left and right sides of compressed spring
It is respectively fixed with a support rod 40, for controlling the mobile distance of vibrating shaft 26.It is located at the top of the support rod 40 and fixes
42 lower section of plate, the tup at top and Pneumatic knocking hammer 28 that the vibrating shaft 26 is arranged in outside bell are oppositely arranged, pneumatically strike
The tup of hammer 28, which moves up and down, can hit the top of vibrating shaft 26, and vibrating shaft 26 is driven to vibrate.The branch of Pneumatic knocking hammer 28
Seat is fixed on bell 39, and the Pneumatic knocking hammer 28 is connected by hose with air compressor.In vibrating shaft 26 and flange
31 top surface intersection of lid is cased with the sealing of sealed packing 38, and the sealed packing 38 is mounted in cuff, and the cuff is fixed
On blind flange 31, the gland 36 is covered on vibrating shaft 26 by intermediate aperture and is fixed on by bolt 37 described
Cuff at the top of, the gland bottom squeeze is on sealed packing top surface, the roof intersection of the gland and vibrating shaft 26
Place is sealed using o type sealing ring 35.
It is tilted down in the restoration of lower stack and is provided with spiral discharging device installation passage, the front peace of a spiral discharging device
In spiral discharging device installation passage, the outlet of the spiral discharging device is connected with discharging 19 import of reservoir, is vibrating
The bottom chamber of 26 bottom part down of axis tilts down and is equipped with multi-hole orifice 21 towards the import of spiral discharging device installation passage,
The spiral discharging device import is connect with 21 bottom of multi-hole orifice so that the solid product after being pyrolyzed is gone out by the spiral
Glassware 20 is sent into discharging reservoir 19.
Using packing_seal mode, when bolt 37 makes gland 36 be pressed down against packing 38, packing 38 and vibrating shaft 26
Between there are extruding force and many small gaps, form numerous labyrinth, the gas leaked out is repeatedly hindered in labyrinth
It is disconnected, it cannot achieve final leakage, to play sealing function.The o type sealing ring 35 is in order to guarantee that beche shakes
Moving axis 26 and the sealing effect of pyrolysis furnace body are more preferable.
To guarantee that old circuit board particle is smoothly fallen in burner hearth 23 from the feed inlet 27 of the feeding-passage, use
The related porous helical blade 24 of 28 percussion vibration axis of Pneumatic knocking hammer 26 vibrates up and down, and keeps discarded circuit board granule materials slow
Slowly it falls in burner hearth 23.Solid product after pyrolysis is sent by the spiral discharging device 20 to discharging through multi-hole orifice 21 to be stored
In device 19.The bottom of shaft high temperature nitrogen air inlet pipe 6 outlet as cleaning door 18, cleaning is fallen from pyrolysis oven bore plate
Dust.
One end of five horizontal stainless steel tubes horizontally passes through shaft insertion lower chambers setting and the other end is arranged
Outside shaft, arranged for interval above and below five horizontal stainless steel tubes, wherein being located at lowest part and going out close to high temperature nitrogen air inlet pipe 6
The one thermometric heat for measuring high-temperature gas inlet temperature in bottom in burner hearth is installed in a horizontal stainless steel tube at mouthful
Galvanic couple 33, as shown in the measuring point E1 point in figure.Three are separately installed in remaining four superposed horizontal stainless steel tubes
It is a to protrude into lower chambers and the different temperature thermocouple 33 of length, it is respectively used to the burner hearth temperature of measurement sustained height difference radial position
Degree, for measuring the Temperature Distribution in pyrolysis oven, point position A1, A2, A3, B1, B2, B3, C1, C2, C3, D1, D2, D3, such as
Shown in Fig. 2.Temperature thermocouple 33 described in each is connected with data collecting instrument 34, in four superposed horizontal stainless steels
The shaft outer side of pipe is separately installed with pressure transmitter 32, and the pressure transmitter 32 is adopted by control line and data respectively
Collect instrument 34 to be connected, for measuring the distribution of the pressure in pyrolysis oven.
The pyrolysis gas condensation collection system includes the double-tube heat exchanger of the outlet of import and pyrolysis gas escape pipe 9
Condenser 12, pyrolysis gas is entered by the pyrolysis gas import of double-tube heat exchanger condenser 12, by the heat of double-tube heat exchanger condenser 12
The pyrolysis gas outlet 14 for solving feed channel flows out, and condensed water is entered by the 12 condensing water conduit import 11 of double-tube heat exchanger condenser, by
13 outflow of condensing water conduit outlet of double-tube heat exchanger condenser 12.Pacify in the pyrolysis feed channel at pyrolysis gas outlet 14
Equipped with thermometer 15, vortex-shedding meter 16 and pyrolysis gas collecting bag 17 after condensation.In the double-tube heat exchanger condenser
The lower part of pipeline be provided with multiple condensate ports, condensate port of the pyrolysis oil that pyrolysis gas condenses from double-tube heat exchanger condenser 12
Into in pyrolysis oil receiving flask 10, incoagulable gas part is collected in gas collection bag 17 in pyrolysis gas pipeline exit and is used for
Chemically examine its ingredient.
The application method of this system is as follows:
Old circuit board particle is entered into pyrolysis oven burner hearth 23 from feed inlet 27, opens Pneumatic knocking hammer 28 to vibrating shaft 26
Tap and make its vibration, smoothly falls and be filled in burner hearth along helical blade convenient for wiring board particle, until filling up entire heat
Solve furnace.Wiring board particle closes feed inlet valve after loading, and is passed through nitrogen and purges and carry out leak check, and checks and set
Whether standby each component and instrument and meter etc. are normal.It is then turned on nitrogen heater 5 and condenser system inlet valve, adjusts nitrogen
Flow is to required flow and keeps stablizing output.High-temperature gas is entered by the multi-hole orifice 21 of pyrolysis burner hearth bottom is equipped with line
The pyrolysis burner hearth 23 of the road plate particle bed of material.It is real-time that pyrolysis oven temperature thermo-coupler 33 and pressure transmitter 32 measure different location in furnace
Temperature and pressure change.In pyrolytic process, organic matter in wiring board is heated to generate volatile matter, volatile matter with thermal current from
It is pyrolyzed after furnace outlet duct 9 is discharged and enters double-tube heat exchanger condenser 12.The pyrolysis oil being condensed out within the condenser enters lower part
Receiving flask 10, incoagulable gas part are collected in gas collection bag 17 in pyrolysis gas pipeline exit for chemically examining its ingredient.
Wait be pyrolyzed inside burner hearth after natural cooling, pyrolysis solid residue is taken out out of discharging reservoir 19 and realizes returning for solid product
It receives.
Claims (2)
1. a kind of vertical waste printed circuit board moving bed pyrolysis system, including pyrolysis furnace system, the pyrolysis furnace system packet
Shaft is included, bell is fixed in the shaft top center, burner hearth is provided among the shaft, in the burner hearth
Insulation construction and pyrolysis furnace outer wall are successively coated on outer wall, the outlet end of high temperature nitrogen air inlet pipe passes through under the insertion of shaft bottom wall
Bottom is arranged in chamber, and the air inlet of the high temperature nitrogen air inlet pipe is connected to one end of the pipeline in nitrogen heater,
Air inlet high temperature break valve is installed, the other end of the pipeline in nitrogen heater is by being equipped in the high temperature nitrogen air inlet pipe
The gas transmission pipeline of nitrogen vortex-shedding meter is connected to from the gas outlet of pressurization nitrogen gas tank, and heater controller and nitrogen heat
Device is connected, and for controlling the heating temperature of heater, electric energy meter is connected with power supply by conducting wire, is disappeared for measuring nitrogen heater
The electricity of consumption, it is characterised in that: be fixed with a blind flange, the blind flange in the horizontal direction in the burner hearth internal upper part
Burner hearth is divided into upper chamber independent of each other and lower chambers, feeding-passage and exhaust passage pass through furnace along the vertical direction respectively
Lid and blind flange are connected to lower chambers, and the outlet of the exhaust passage goes out with the pyrolysis gas for being equipped with thermometer and pressure gauge
The outlet of tracheae connection, the pyrolysis gas escape pipe is connected with pyrolysis gas condensation collection system；
The import of the feeding-passage is connected to valvular feed pipe is installed, and a vibrating shaft passes through bell along the vertical direction
And blind flange and lower chambers are protruded into, porous helical blade is installed on the vibrating shaft for being located at lower chambers, is being located at epicoele
Be connected with compressed spring on the vibrating shaft of room, compressed spring in the raw when, corresponding vibrating shaft at the top of compressed spring
Position on be fixed with a horizontally disposed fixed plate, be fixedly linked simultaneously at the top of the compressed spring with fixed plate
And bottom is supported on gland, and a support rod is respectively fixed on the gland at left and right sides of the compressed spring, it is described
Support bar top be located at below fixed plate, the top outside bell and the tup phase of Pneumatic knocking hammer is arranged in the vibrating shaft
To setting, the tup of Pneumatic knocking hammer moves up and down and can hit the top of vibrating shaft, drives vibration shaft vibration, described is pneumatic
The support for tapping hammer is fixed on bell, and the Pneumatic knocking hammer is connected by hose with air compressor, in vibrating shaft and
Flange hd top face intersection is cased with sealed packing sealing, and the sealed packing is mounted in cuff, and the cuff is fixed on
On blind flange, the gland is covered on vibrating shaft by intermediate aperture and is bolted at the top of the cuff,
The gland bottom squeeze is sealed at the roof intersection of the gland and vibrating shaft using o type on sealed packing top surface
Circle sealing, tilts down in the restoration of lower stack and is provided with spiral discharging device installation passage, the front peace of a spiral discharging device
In spiral discharging device installation passage, the outlet of the spiral discharging device is connected with discharging reservoir import, in vibrating shaft
The bottom chamber of bottom part down tilts down and is equipped with multi-hole orifice towards the import of spiral discharging device installation passage, described
Spiral discharging device import connect with multi-hole orifice bottom so that solid product after being pyrolyzed by the spiral discharging device send to
In discharging reservoir；One end of five horizontal stainless steel tubes horizontally passes through shaft insertion lower chambers setting and the other end
It is arranged outside shaft, arranged for interval above and below five horizontal stainless steel tubes, wherein being located at lowest part and close to high temperature nitrogen air inlet pipe
Exit a horizontal stainless steel tube in be equipped with one for measuring the survey of high-temperature gas inlet temperature in bottom in burner hearth
Galvanic couple is warmed, three is separately installed in remaining four superposed horizontal stainless steel tubes and protrudes into lower chambers and length not
Same temperature thermocouple is respectively used to the fire box temperature of measurement sustained height difference radial position, for measuring in pyrolysis oven
Temperature Distribution, the temperature thermocouple described in each are connected with data collecting instrument, in four superposed horizontal stainless steel tubes
Shaft outer side be separately installed with pressure transmitter, the pressure transmitter passes through control line and data collecting instrument phase respectively
Even, for measuring the distribution of the pressure in pyrolysis oven.
2. vertical waste printed circuit board moving bed pyrolysis system according to claim 1, it is characterised in that: the heat
It vents one's spleen the double-tube heat exchanger condenser for condensing that collection system includes the outlet of import and pyrolysis gas escape pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820387313.0U CN208341345U (en) | 2018-03-21 | 2018-03-21 | A kind of vertical waste printed circuit board moving bed pyrolysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820387313.0U CN208341345U (en) | 2018-03-21 | 2018-03-21 | A kind of vertical waste printed circuit board moving bed pyrolysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208341345U true CN208341345U (en) | 2019-01-08 |
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ID=64885216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820387313.0U Expired - Fee Related CN208341345U (en) | 2018-03-21 | 2018-03-21 | A kind of vertical waste printed circuit board moving bed pyrolysis system |
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| Country | Link |
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| CN (1) | CN208341345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110776944A (en) * | 2019-11-05 | 2020-02-11 | 天津大学 | Movable bed type pyrolysis system for waste printed circuit boards subjected to secondary catalysis |
-
2018
- 2018-03-21 CN CN201820387313.0U patent/CN208341345U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110776944A (en) * | 2019-11-05 | 2020-02-11 | 天津大学 | Movable bed type pyrolysis system for waste printed circuit boards subjected to secondary catalysis |
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Granted publication date: 20190108 |