CN104175445B - Extruded sheet supercritical carbon dioxide foaming equipment - Google Patents
Extruded sheet supercritical carbon dioxide foaming equipment Download PDFInfo
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- CN104175445B CN104175445B CN201410375689.6A CN201410375689A CN104175445B CN 104175445 B CN104175445 B CN 104175445B CN 201410375689 A CN201410375689 A CN 201410375689A CN 104175445 B CN104175445 B CN 104175445B
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- carbon dioxide
- accelerator
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- intercommunicating pore
- inlet port
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 416
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 204
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 204
- 238000005187 foaming Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 230000003068 static effect Effects 0.000 claims abstract description 26
- 239000011148 porous material Substances 0.000 claims description 62
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 239000004088 foaming agent Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 229960001866 silicon dioxide Drugs 0.000 claims description 8
- -1 Alkyl phosphate Chemical compound 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 229960004424 carbon dioxide Drugs 0.000 description 133
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 229910002090 carbon oxide Inorganic materials 0.000 description 7
- 241000790917 Dioxys <bee> Species 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000010349 pulsation Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 244000228957 Ferula foetida Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Devices For Medical Bathing And Washing (AREA)
- Molding Of Porous Articles (AREA)
Abstract
A kind of extruded sheet supercritical carbon dioxide foaming equipment, including CO 2 high pressure dosing pump, static mixer, accelerator high-pressure metering pump, carbon dioxide thermostat, the first pulse damper, carbon dioxide mass flowmenter, the second pulse damper, accelerator mass flowmenter, data processing equipment；The first pulse damper is utilized to eliminate the pulse of carbon dioxide liquid in pipeline, ensure that carbon dioxide mass flowmenter can measure mass value accurately, the conveying capacity that data processing equipment controls CO 2 high pressure dosing pump according to the real-time carbon dioxide mass value of the carbon dioxide mass value prestored and generation reaches critical pressure with the pressure adjusting carbon dioxide, carbon dioxide thermostat is arranged between the first ripple damper and carbon dioxide mass flowmenter, heat carbon dioxide liquid so that the temperature of carbon dioxide reaches critical temperature value, the carbon dioxide reaching critical state is transported in static mixer, to realize foaming smoothly.
Description
Technical field:
The present invention relates to extruded sheet production technical field, particularly to a kind of extruded sheet supercritical titanium dioxide
Carbon foaming machine.
Background technology:
Plastic extrusion plate equipment is with polystyrene as raw material, injects foaming agent, effective in conjunction with water, electricity, gas
Control；By squeezing, press, drawing；Produce that to have hole-closing structure, light weight, intensity good, airtight, anti-
Aging hard extruded sheet.The extruded sheet utilizing plastic extrusion plate equipment to produce have quality softness, high resilience,
The spies such as nontoxic, harmless, sound insulation, heat insulation, moistureproof, resistance to compression and bumper and absorbing shock are good, and barrier property is excellent
Point.
Existing plastic extrusion plate equipment is to use fluorine series foaming agent and chain hydrocarbon, it is well known that freon is to make
Become the main cause of Ozone hole, use freon to be unfavorable for environmental conservation, and chain hydrocarbon has inflammability,
Affect production safety, to this end, prior art there is employing carbon dioxide replacement fluorine Leon raw as extruded sheet
Product foaming agent, that is, use the carbon dioxide mixture with alcohols or alkanes composition as foaming agent.
But, blown with carbon dioxide multiplying power is low, is not suitable as foaming agent under normal circumstances and uses, needs
Adding suitable accelerator, carbon dioxide is different with accelerator physical aspect to be not easy to be sufficiently mixed, and two
Carbonoxide affected by ambient temperature and transient pressure in injection process, easily cause gasification or knot dry ice,
Cause carbon dioxide stably not inject, be unable to reach the mesh of foaming smoothly.
Summary of the invention:
In view of this, it is provided that a kind of extruded sheet supercritical carbon dioxide foaming equipment that can foam smoothly.
A kind of extruded sheet supercritical carbon dioxide foaming equipment, including carbon dioxide supply manostat, two
Carbonoxide high-pressure metering pump, static mixer, accelerator blender, accelerator high-pressure metering pump, dioxy
Change carbon thermostat, the first pulse damper, carbon dioxide mass flowmenter, the second pulse damper,
Accelerator mass flowmenter, data processing equipment；The liquid outlet of carbon dioxide supply manostat and titanium dioxide
The inlet connection of carbon high-pressure metering pump, the liquid outlet of CO 2 high pressure dosing pump and first pulse damped
The inlet connection of device, the liquid outlet of the first pulse damper and the inlet of carbon dioxide mass flowmenter
Connection, the liquid outlet of carbon dioxide mass flowmenter connects with the carbon dioxide inlet port of static mixer；
Carbon dioxide supply manostat is used for receiving the carbon dioxide liquid in carbon dioxide fluid reservoir, and by dioxy
Change carbon liquid and flow to CO 2 high pressure dosing pump, CO 2 high pressure dosing pump with pre-determined stability pressure
For carbon dioxide liquid is flowed to the first pulse damper, the first pulsation with scheduled volume and reservation pressure
Antivibrator is for eliminating the pulse of carbon dioxide liquid in pipeline, and carbon dioxide mass flowmenter is for by the
The carbon dioxide of one pulse damper conveying flows to static mixer, and carbon dioxide mass flowmenter is also used
Quality in the carbon dioxide measuring the first pulse damper conveying；The liquid outlet of accelerator blender and rush
Enter the inlet connection of agent high-pressure metering pump, the liquid outlet of accelerator high-pressure metering pump and second pulse damped
The inlet connection of device, the liquid outlet of the second ripple damper connects with the inlet of accelerator mass flowmenter
Logical, the liquid outlet of accelerator mass flowmenter connects with the accelerator inlet port of static mixer, accelerator
Blender is for obtaining accelerator by the mixing of ethanol, alkyl phosphate and distilled water, and accelerator is supplied
To accelerator high-pressure metering pump, accelerator high-pressure metering pump is for scheduled volume and subscribing pressure by accelerator
Flowing to the second pulse damper, the second pulse damper, for eliminating the pulsation of pipeline internal accelerator, promotees
Enter agent mass flowmenter for by second pulse damper conveying accelerator flow to static mixer, promote
Enter agent mass flowmenter and be additionally operable to measure the quality of the accelerator of the second pulse damper conveying；Static mixing
Device after carbon dioxide and accelerator are mixed to produce foaming agent；Carbon dioxide thermostat is arranged on
Between first pulse damper and carbon dioxide mass flowmenter, the inlet of carbon dioxide thermostat with
The liquid outlet connection of the first pulse damper, the liquid outlet of carbon dioxide thermostat and carbon dioxide quality
The inlet connection of effusion meter, carbon dioxide thermostat is for heating carbon dioxide under subscribing temperature value
Liquid, so that the temperature value of carbon dioxide exceedes critical temperature value, and is up to the dioxy of supercriticality
Change carbon and flow to carbon dioxide mass flowmenter；Data processing equipment and CO 2 high pressure dosing pump, two
Carbonoxide mass flowmenter, accelerator blender, accelerator high-pressure metering pump, accelerator mass flowmenter
Being electrically connected with, data processing equipment is for according to the carbon dioxide mass value prestored and carbon dioxide quality stream
The real-time carbon dioxide mass value that gauge produces controls the conveying capacity of CO 2 high pressure dosing pump to adjust two
The force value of carbonoxide exceedes the critical pressure value of carbon dioxide, and data processing equipment is additionally operable to according to prestoring
Accelerator mass value and the real-time accelerator mass value that produces of accelerator mass flowmenter to control accelerator high
The conveying capacity of pressure dosing pump.
When utilizing above-mentioned extruded sheet supercritical carbon dioxide foaming equipment to produce carbon dioxide foaming agent, profit
Eliminate the pulsation of carbon dioxide liquid in pipeline with the first pulse damper, and then ensure carbon dioxide quality
Effusion meter can measure stable and accurate carbon dioxide mass value, and data processing equipment is according to two prestored
The real-time carbon dioxide mass value that carbonoxide mass value and carbon dioxide mass flowmenter produce controls titanium dioxide
The conveying capacity of carbon high-pressure metering pump reaches critical pressure, carbon dioxide constant temperature with the pressure adjusting carbon dioxide
Device is arranged between the first ripple damper and carbon dioxide mass flowmenter, carbon dioxide thermostat
For heating carbon dioxide liquid under subscribing temperature value so that the temperature of carbon dioxide reaches critical temperature
Value, the carbon dioxide reaching critical state is transported in static mixer, to realize foaming smoothly.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the extruded sheet supercritical carbon dioxide foaming equipment of a better embodiment.
Fig. 2 is the structural representation of the first ripple damper in Fig. 1.
Fig. 3 is the structural representation of the carbon dioxide thermostat in Fig. 1.
Fig. 4 is the structural representation of the static mixer in Fig. 1.
Fig. 5 is that the B B of the static mixer in Fig. 4 is to cross-sectional view.
Fig. 6 is the plan structure schematic diagram of the mixing arrangement in Fig. 4.
Fig. 7 is the structural representation of " ten " font hybrid blade in Fig. 6.
In figure: extruded sheet supercritical carbon dioxide foaming equipment 10, carbon dioxide supply manostat 100, two
Carbonoxide high-pressure metering pump 110, static mixer 120, mixing arrangement 121, " ten " font mixing leaf
Sheet 1210, hybrid blade fixture 1211, cylindrical channel 1212, mixing arrangement housing piece 122, master
Body the 1220, first control hole the 12200, second control hole the 12201, the 3rd control hole the 12202, the 4th is controlled
Drilling the 12203, the 5th control hole the 12204, the 6th control hole 12205, carbon dioxide inlet port 12206,
Carbon dioxide outlet 12207, accelerator inlet port 12208, accelerator outlet 12209, first are only
Return valve 1221, valve seat 12210, elastic closure end 12211, elastic closure end accepting groove 12212, spring
12213, closure seat 12214, spring resettlement section 12215, fixing passage 1222, carbon dioxide inlet port
1223, accelerator inlet port 1224, accelerator blender 130, accelerator high-pressure metering pump 140,
One ripple damper 150, rustless steel seal casinghousing 151, silica-gel sphere 152, spacer 153, titanium dioxide
Carbon mass flowmenter the 160, second ripple damper 170, accelerator mass flowmenter 180, carbon dioxide
Thermostat 190, rustless steel seal casinghousing 191, coil 192, heating member 193, expansion tank 194,
Data processing equipment 200, standby high-pressure metering pump 201, standby ripple damper 202, access interface 203,
Pneumatic diaphragm pump 204, Pneumatic blender 205, standby first control hole 302, standby second control hole 304,
Standby 3rd control hole 301, standby inlet port 303, standby outlet 305.
Detailed description of the invention:
Refer to Fig. 1, extruded sheet supercritical carbon dioxide foaming equipment 10 includes that carbon dioxide supply is steady
Depressor 100, CO 2 high pressure dosing pump 110, static mixer 120, accelerator blender 130,
Accelerator high-pressure metering pump the 140, first ripple damper 150, carbon dioxide mass flowmenter 160,
At two ripple dampers 170, accelerator mass flowmenter 180, carbon dioxide thermostat 190, data
Reason device 200.The liquid outlet of carbon dioxide supply manostat 100 and CO 2 high pressure dosing pump 110
Inlet connection, the liquid outlet of CO 2 high pressure dosing pump 110 and the first ripple damper 150
Inlet connects, first liquid outlet of ripple damper 150 and entering of carbon dioxide mass flowmenter 160
Liquid mouth connects, the liquid outlet of carbon dioxide mass flowmenter 160 and the carbon dioxide of static mixer 120
Inlet port connects；Carbon dioxide supply manostat 100 is for receiving the titanium dioxide in carbon dioxide fluid reservoir
Carbon liquid, and carbon dioxide liquid is flowed to CO 2 high pressure dosing pump 110 with pre-determined stability pressure,
CO 2 high pressure dosing pump 110 is for scheduled volume by carbon dioxide liquid and subscribing pressure and flow to the
One ripple damper 150, the first ripple damper 150 arteries and veins of carbon dioxide liquid in eliminating pipeline
Dynamic, carbon dioxide mass flowmenter 160 is defeated for the carbon dioxide carried by the first ripple damper 150
Giving static mixer 120, carbon dioxide mass flowmenter 160 is additionally operable to measure the first ripple damper
The quality of the carbon dioxide of 150 conveyings；The liquid outlet of accelerator blender 130 and accelerator high pressure measurement
The inlet connection of pump 140, the liquid outlet of accelerator high-pressure metering pump 140 and the second ripple damper 170
Inlet connection, second liquid outlet of ripple damper 170 and entering of accelerator mass flowmenter 180
Liquid mouth connects, and the liquid outlet of accelerator mass flowmenter 180 enters with the accelerator of static mixer 120
Mouth connection, accelerator blender 130 is for obtaining promotion by the mixing of ethanol, alkyl phosphate and distilled water
Agent, and accelerator is supplied to accelerator high-pressure metering pump 140, accelerator high-pressure metering pump 140 are used for
Accelerator is flowed to the second ripple damper 170, the second ripple damper with scheduled volume and reservation pressure
170 for eliminating the pulsation of pipeline internal accelerator, and accelerator mass flowmenter 180 is for pulsing second
The accelerator of antivibrator 170 conveying flows to static mixer 120, and accelerator mass flowmenter 180 is also
For measuring the quality of the accelerator of the second ripple damper 170 conveying；Static mixer 120 is used for will
To produce foaming agent after carbon dioxide and accelerator mixing；Carbon dioxide thermostat 190 is arranged on first
Between ripple damper 150 and carbon dioxide mass flowmenter 160, carbon dioxide thermostat 190
Inlet and the first ripple damper 150 liquid outlet connection, carbon dioxide thermostat 190 go out liquid
Mouth connects with the inlet of carbon dioxide mass flowmenter 160, and carbon dioxide thermostat 190 is used for
Subscribe and under temperature value, heat carbon dioxide liquid, so that the temperature value of carbon dioxide exceedes facing of carbon dioxide
Boundary's temperature value, and be up to supercritical carbon dioxide and flow to carbon dioxide mass flowmenter 160；
Data processing equipment 200 and CO 2 high pressure dosing pump 110, carbon dioxide mass flowmenter 160, rush
Enter agent blender 130, accelerator high-pressure metering pump 140, accelerator mass flowmenter 180 are electrically connected with,
Data processing equipment 200 is for producing according to the carbon dioxide mass value prestored and carbon dioxide mass flowmenter
Raw real-time carbon dioxide mass value controls the conveying capacity of CO 2 high pressure dosing pump 110 to adjust dioxy
The force value changing carbon exceedes the critical pressure value of carbon dioxide, and data processing equipment 200 is additionally operable to according to pre-
The real-time accelerator mass value that the accelerator mass value deposited and accelerator mass flowmenter produce controls accelerator
The conveying capacity of high-pressure metering pump 140.
Owing to ripple damper in the present embodiment of the prior art is high-pressure carbon dioxide and accelerator
Impact under be easily damaged, in the present embodiment, it is provided that the ripple damper of following structure, please be simultaneously
Referring to Fig. 2, the first ripple damper 150 includes rustless steel seal casinghousing 151, silica-gel sphere 152 and location
Sheet 153, spacer 153 is provided with carbon dioxide and passes through hole, and carbon dioxide is less than by the aperture in hole
The sphere diameter of silica-gel sphere 152, spacer 153 is fixed in rustless steel seal casinghousing 151, and rustless steel is close
Capsule body 151 is divided into space and lower space, and silica-gel sphere 152 is arranged on rustless steel seal casinghousing 151
In upper space, the housing corresponding to lower space of rustless steel seal casinghousing 151 offers for dioxy
Change the inlet of carbon high-pressure metering pump 110 connection, for connect with carbon dioxide mass flowmenter 160
Liquid outlet, and liquid outlet to the distance of spacer more than inlet to the distance of spacer.Silica-gel sphere 152
And the cooperation of spacer 153 can adapt to carbon dioxide and the accelerator impact of high pressure, it is ensured that the first pulsation
Antivibrator 150 can use by continuous service.
In the present embodiment, referring to Fig. 3, carbon dioxide thermostat 190 includes rustless steel
Seal casinghousing 191, the coil 192 for transport of carbon dioxide, heating member 193, rustless steel capsul
The chamber of expansion tank 194, the bottom of expansion tank 194 and rustless steel seal casinghousing 191 it is provided with on body 191
Body connects, and the top of expansion tank 194 is provided with air bleeding valve, and coil 192, heating member 193 are arranged on
In the cavity of rustless steel seal casinghousing 191, and the inlet of coil 192 and liquid outlet close from rustless steel
Capsule body 191 is corresponding and the first ripple damper 150 liquid outlet, carbon dioxide quality stream after stretching out
The inlet connection of gauge 160, the electric connecting terminal of heating member 193 stretches out from rustless steel seal casinghousing 191
After with power supply device be electrically connected with, the cavity of rustless steel seal casinghousing 191 built with heat-conducting liquid,
The heating to carbon dioxide is realized thus by thermaltransmission mode.
In the present embodiment, referring to Fig. 4 to Fig. 7, static mixer 120 includes mixing dress
Putting 121 and for housing the mixing arrangement housing piece 122 of mixing arrangement 121, mixing arrangement 121 includes
At least three " ten " font hybrid blade 1210, hybrid blade fixture 1211, hybrid blade fixture
1211 have cylindrical channel 1212, and at least three " ten " font hybrid blade 1210 from top to bottom depends on
Two " ten " in the secondary cylindrical channel 1212 being arranged on hybrid blade fixture 1211 and adjacent
Font hybrid blade 1210 contacts, and two adjacent " ten " font hybrid blades 1210 are the most just
Right." ten " font hybrid blade 1210 is made up of two alloy cylinders, and two alloy cylinders are vertical
Stacking, alloy cylinder can meet the impact of the carbon dioxide under high pressure and accelerator, it is possible to ensureing will
Carbon dioxide and accelerator mix smoothly；Do not face and refer to adjacent two " ten " font hybrid blade
1210 predetermined angulars that stagger are fixed on hybrid blade fixture 1211, and such as predetermined angular is 30 degree.
Mixing arrangement housing piece 122 include main body the 1220, first carbon dioxide control valve (not shown),
Second carbon dioxide control valve (not shown), the first check-valves 1221, the first accelerator control valve
(not shown), the second accelerator control valve (not shown), the second check-valves (do not show in figure
Go out), it is provided with the fixing passage 1222 matched with hybrid blade fixture 1211 in main body 1220,
One end of fixing passage 1222 is in communication with the outside, and the other end of fixing passage 1222 is provided with carbon dioxide
Inlet port 1223, accelerator inlet port 1224, hybrid blade fixture 1211 is arranged on fixing passage 1222
In, and with fixing passage 1222 interference fit, the carbon dioxide inlet port 1223 of fixing passage 1222,
Accelerator inlet port 1224 connects with the cylindrical channel 1212 of hybrid blade fixture 1211, by mixed
" ten " font hybrid blade 1210 in hing straps fixture 1211 will be from carbon dioxide inlet port 1223
Enter carbon dioxide, from accelerator inlet port 1224 enter accelerator mix to obtain foaming agent.
Be additionally provided with in main body 1,220 first identical control hole the 12200, second control hole 12201 of structure,
3rd control hole 12202 and the 4th control hole 12203, the 5th control hole 12204 and that structure is identical
Carbon dioxide inlet port 12206 that six control holes 12205, structure are identical and carbon dioxide outlet 12207,
Accelerator inlet port 12208 that structure is identical and accelerator outlet 12209.
The bottom of the first control hole 12200 is provided with the first intercommunicating pore and the second intercommunicating pore, the first intercommunicating pore
Be positioned at the center of the bottom of the first control hole, the second intercommunicating pore near the sidewall of the first control hole 12200,
First control hole 12200 is connected with carbon dioxide inlet port 12206 by the first intercommunicating pore, and first controls
Hole 12200 is connected by the second intercommunicating pore and the 5th control hole 12204, the first carbon dioxide control valve rotation
Enter the first control hole 12200 to control the first control hole 12200 and carbon dioxide inlet port 12206 and the
The connected state of five control holes 12204；Second control hole 12201, first intercommunicating pore and two by oneself
Carbonoxide inlet port 12206 connects, and the second control hole 12201 passes through the second intercommunicating pore and the dioxy of oneself
Changing carbon outlet 12207 to connect, the second carbon dioxide control valve screws in the second control hole 12201 to control
Second control hole 12201 and carbon dioxide inlet port 12206 and the connection of carbon dioxide outlet 12207
State；The bottom of the 5th control hole 12204 is provided with the first intercommunicating pore, the second round table-like intercommunicating pore,
Second intercommunicating pore is positioned at the center of the bottom of the 5th control hole 12204, and the first intercommunicating pore controls near the 5th
The sidewall in hole 12204, the second intercommunicating pore of the 5th control hole 12204 and the of the first control hole 12200
Two intercommunicating pore connections, the first intercommunicating pore of the 5th control hole 12204 and the fixing passage 1222 of main body 1220
Carbon dioxide inlet port 1223 connect, the first check-valves 1221 has and the 5th control hole 12204
The elastic closure end that second intercommunicating pore matches, the first check-valves 1221 screws in the 5th control hole 12204,
When carbon dioxide enters the second intercommunicating pore of the 5th control hole 12204, carbon dioxide promotes elasticity closure
End motion, to enter the first intercommunicating pore of the 5th control hole 12204, stops entering the 5th control at carbon dioxide
During the second intercommunicating pore of drilling 12204, elastic closure end recovers initial condition with by the 5th control hole 12204
Second intercommunicating pore closure.In the present embodiment, the sidewall of the 5th control hole 12204 is provided with spiral shell
Stricture of vagina, the first check-valves 1221 includes valve seat 12210, elastic closure end 12211, the one of valve seat 12210
End is provided with external screw thread, and the externally threaded one end that arranges of valve seat 12210 is provided with elastic closure end accepting groove
12212, elastic closure end 12211 is arranged in elastic closure end accepting groove 12212, elastic closure end
12211 include spring 12213, closure seat 12214, closure seat 12214 one end form and dimension with
Second intercommunicating pore form and dimension of the 5th control hole 12204 matches, the other end of closure seat 12214
Match with the form and dimension of the elastic closure end accepting groove 12212 of valve seat 12210, block seat 12214
The other end be additionally provided with house spring 12213 spring resettlement section 12215, be mounted with spring 12213
The other end of closure seat 12214 insert the elastic closure end accepting groove 12212 of valve seat 12210 after, logical
The screw thread crossed on the external screw thread of valve seat 12210 and the sidewall of the 5th control hole 12204 matches with by first
Check-valves 1221 and the 5th control hole 12204 are fixed.
3rd control hole 12202 is connected with accelerator inlet port 12208 by the first intercommunicating pore of oneself,
3rd control hole 12202 is connected by the second intercommunicating pore of oneself and the 6th control hole 12205, the first rush
Enter agent control valve and screw in the 3rd control hole 12202 to control the 3rd control hole 12202 and accelerator inlet port
12208 and the 6th connected state of control hole 12205；4th control hole 12203 passes through oneself first
Intercommunicating pore connects with accelerator inlet port 12208, second connection by oneself of the 4th control hole 12203
Hole connects with accelerator outlet 12209, second accelerator control valve screw in the 4th control hole 12203 with
Control the 4th control hole 12203 and accelerator inlet port 12208 and the connection of accelerator outlet 12209
State；Second intercommunicating pore of the 6th control hole 12205 and the second intercommunicating pore of the 3rd control hole 12202 are even
Logical, the first intercommunicating pore of the 6th control hole 12205 and the accelerator of the fixing passage 1222 of main body 1220
Inlet port 1224 connects, and the second check-valves screws in the 6th control hole 12205, enters the 6th accelerator
During the second intercommunicating pore of control hole 12205, accelerator promote the elastic closure end motion of the second check-valves with
Enter the first intercommunicating pore of the 6th control hole 12205, stop entering the 6th control hole 12205 accelerator
The second intercommunicating pore time, elastic closure end recovers initial condition with by the second of the 6th control hole 12205 even
Through hole blocks.
Further, extruded sheet supercritical carbon dioxide foaming equipment 10 also include access interface 203,
Standby high-pressure metering pump 201, standby ripple damper 202, access interface 203 arranges carbon dioxide and connects
Entrance, ethanol access port and standby access port, by access interface 203 extruded sheet supercritical titanium dioxide
Carbon foaming machine 10 is connected the acquisition realizing raw material, accelerator blender 130 with each raw material feed device
And pneumatic diaphragm pump 204 is installed, to realize the security provisions of ethanol, accelerator between access interface 203
The top of blender 130 offers material and adds window, and the top of accelerator blender 130 is additionally provided with
Pneumatic blender 205, the stirring end of Pneumatic blender 205 is arranged in accelerator blender 130 with reality
Now safety stirring；Be additionally provided with in main body 1220 that structure is identical with the first control hole 12200 standby first
Control hole 302, standby second control hole 304, structure identical with the 5th control hole 12204 the standby 3rd
Control hole 301, structure are identical with carbon dioxide inlet port 12206 and carbon dioxide outlet 12207
Standby inlet port 303 and standby outlet 305, the other end of fixing passage 1222 is provided with standby entrance
Mouthful, to realize standby functions.
Claims (5)
1. an extruded sheet supercritical carbon dioxide foaming equipment, manostat, CO 2 high pressure dosing pump, static mixer, accelerator blender, accelerator high-pressure metering pump is supplied including carbon dioxide, it is characterised in that: extruded sheet supercritical carbon dioxide foaming equipment also includes carbon dioxide thermostat, the first pulse damper, carbon dioxide mass flowmenter, the second pulse damper, accelerator mass flowmenter, data processing equipment；The liquid outlet of carbon dioxide supply manostat connects with the inlet of CO 2 high pressure dosing pump, the liquid outlet of CO 2 high pressure dosing pump and the inlet connection of the first pulse damper, the liquid outlet of the first pulse damper connects with the inlet of carbon dioxide mass flowmenter, and the liquid outlet of carbon dioxide mass flowmenter connects with the carbon dioxide inlet port of static mixer；Carbon dioxide supply manostat is for receiving the carbon dioxide liquid in carbon dioxide fluid reservoir, and carbon dioxide liquid is flowed to CO 2 high pressure dosing pump with pre-determined stability pressure, CO 2 high pressure dosing pump is for flowing to the first pulse damper by carbon dioxide liquid with scheduled volume and reservation pressure, first pulse damper is the pulse of carbon dioxide liquid in eliminating pipeline, carbon dioxide mass flowmenter is for flowing to static mixer by the carbon dioxide of the first pulse damper conveying, carbon dioxide mass flowmenter is additionally operable to measure the quality of the carbon dioxide of the first pulse damper conveying；nullThe liquid outlet of accelerator blender connects with the inlet of accelerator high-pressure metering pump，The liquid outlet of accelerator high-pressure metering pump and the inlet connection of the second pulse damper，The liquid outlet of the second pulse damper connects with the inlet of accelerator mass flowmenter，The liquid outlet of accelerator mass flowmenter connects with the accelerator inlet port of static mixer，Accelerator blender is for by ethanol、Alkyl phosphate and distilled water mixing obtain accelerator，And accelerator is supplied to accelerator high-pressure metering pump，Accelerator high-pressure metering pump is for flowing to the second pulse damper by accelerator with scheduled volume and reservation pressure，Second pulse damper is for eliminating the pulse of pipeline internal accelerator，Accelerator mass flowmenter is for flowing to static mixer by the accelerator of the second pulse damper conveying，Accelerator mass flowmenter is additionally operable to measure the quality of the accelerator of the second pulse damper conveying；Static mixer after carbon dioxide and accelerator are mixed to produce foaming agent；Carbon dioxide thermostat is arranged between the first ripple damper and carbon dioxide mass flowmenter, the inlet of carbon dioxide thermostat and the liquid outlet connection of the first ripple damper, the liquid outlet of carbon dioxide thermostat connects with the inlet of carbon dioxide mass flowmenter, carbon dioxide thermostat is for heating carbon dioxide liquid under subscribing temperature value, so that the temperature value of carbon dioxide exceedes critical temperature value, and it is up to supercritical carbon dioxide and flows to carbon dioxide mass flowmenter；Data processing equipment and CO 2 high pressure dosing pump, carbon dioxide mass flowmenter, accelerator blender, accelerator high-pressure metering pump, accelerator mass flowmenter is electrically connected with, data processing equipment is for the real-time carbon dioxide mass value produced according to the carbon dioxide mass value prestored and carbon dioxide mass flowmenter, the conveying capacity controlling CO 2 high pressure dosing pump exceedes the critical pressure value of carbon dioxide with the force value adjusting carbon dioxide, data processing equipment is additionally operable to control the conveying capacity of accelerator high-pressure metering pump according to the real-time accelerator mass value that the accelerator mass value prestored and accelerator mass flowmenter produce.
Extruded sheet supercritical carbon dioxide foaming equipment the most according to claim 1, it is characterized in that: the first pulse damper includes rustless steel seal casinghousing, silica-gel sphere and spacer, it is provided with carbon dioxide on spacer and passes through hole, carbon dioxide is less than the sphere diameter of silica-gel sphere by the aperture in hole, spacer is fixed in rustless steel seal casinghousing, rustless steel seal casinghousing is divided into upper space and lower space, silica-gel sphere is arranged in the upper space of rustless steel seal casinghousing, inlet is offered on the housing corresponding to lower space of rustless steel seal casinghousing, liquid outlet, and liquid outlet to the distance of spacer more than inlet to the distance of spacer.
Extruded sheet supercritical carbon dioxide foaming equipment the most according to claim 1, it is characterized in that: carbon dioxide thermostat includes rustless steel seal casinghousing, coil, heating member, it is provided with expansion tank on rustless steel seal casinghousing, the bottom of expansion tank connects with the cavity of rustless steel seal casinghousing, the top of expansion tank is provided with air bleeding valve, coil, heating member is arranged in the cavity of rustless steel seal casinghousing, and the inlet of coil and the liquid outlet liquid outlet with the first ripple damper of correspondence after rustless steel seal casinghousing stretches out, the inlet connection of carbon dioxide mass flowmenter, the electric connecting terminal of heating member after rustless steel seal casinghousing stretches out with power supply device be electrically connected with, the cavity of rustless steel seal casinghousing is built with heat-conducting liquid.
4. according to the supercritical carbon dioxide foaming equipment of the extruded sheet described in Claims 2 or 3, it is characterized in that: static mixer includes mixing arrangement and for housing the mixing arrangement housing piece of mixing arrangement, mixing arrangement includes at least three " ten " font hybrid blade, hybrid blade fixture, hybrid blade fixture has cylindrical channel, at least three " ten " font hybrid blade is from top to bottom successively set in the cylindrical channel of hybrid blade fixture, and two adjacent " ten " font hybrid blades contact, and two adjacent " ten " font hybrid blades do not face；Mixing arrangement housing piece includes main body, first carbon dioxide control valve, second carbon dioxide control valve, first check-valves, first accelerator control valve, second accelerator control valve, second check-valves, the fixing passage matched with hybrid blade fixture it is provided with in main body, one end of fixing passage is in communication with the outside, the other end of fixing passage is provided with carbon dioxide inlet port, accelerator inlet port, hybrid blade fixture is arranged on fixing passage, and with fixing passage interference fit, the carbon dioxide inlet port of fixing passage, accelerator inlet port connects with the cylindrical channel of hybrid blade fixture, the carbon dioxide that will be entered from carbon dioxide inlet port by " ten " the font hybrid blade in hybrid blade fixture, the accelerator entered from accelerator inlet port mixes to obtain foaming agent；
The identical carbon dioxide inlet port of the 5th identical control hole of the first identical control hole of structure, the second control hole, the 3rd control hole and the 4th control hole, structure and the 6th control hole, structure and carbon dioxide outlet it is additionally provided with, accelerator inlet port that structure is identical and accelerator outlet in main body；
The bottom of the first control hole is provided with the first intercommunicating pore and the second intercommunicating pore, first intercommunicating pore is positioned at the center of the bottom of the first control hole, second intercommunicating pore is near the sidewall of the first control hole, first control hole is connected with carbon dioxide inlet port by the first intercommunicating pore, first control hole is connected by the second intercommunicating pore and the 5th control hole, and the first carbon dioxide control valve screws in the first control hole to control the first control hole and carbon dioxide inlet port and the connected state of the 5th control hole；Second control hole is connected with carbon dioxide inlet port by the first intercommunicating pore of oneself, second control hole is connected with carbon dioxide outlet by the second intercommunicating pore of oneself, and the second carbon dioxide control valve screws in the second control hole to control the second control hole and carbon dioxide inlet port and the connected state of carbon dioxide outlet；nullThe bottom of the 5th control hole is provided with the first intercommunicating pore、The second round table-like intercommunicating pore，Second intercommunicating pore is positioned at the center of the bottom of the 5th control hole，First intercommunicating pore is near the sidewall of the 5th control hole，Second intercommunicating pore of the 5th control hole and the second intercommunicating pore connection of the first control hole，First intercommunicating pore of the 5th control hole connects with the carbon dioxide inlet port of the fixing passage of main body，First check-valves has the elastic closure end that the second intercommunicating pore with the 5th control hole matches，First check-valves screws in the 5th control hole，When carbon dioxide enters the second intercommunicating pore of the 5th control hole，Carbon dioxide promotes elasticity closure end motion to enter the first intercommunicating pore of the 5th control hole，When carbon dioxide stops the second intercommunicating pore entering the 5th control hole，Elastic closure end recovers initial condition with by the second intercommunicating pore closure of the 5th control hole；
3rd control hole is connected with accelerator inlet port by the first intercommunicating pore of oneself, 3rd control hole passes through the second intercommunicating pore and the connection of the 6th control hole of oneself, and the first accelerator control valve screws in the 3rd control hole to control the 3rd control hole and accelerator inlet port and the connected state of the 6th control hole；4th control hole is connected with accelerator inlet port by the first intercommunicating pore of oneself, 4th control hole is connected with accelerator outlet by the second intercommunicating pore of oneself, and the second accelerator control valve screws in the 4th control hole to control the 4th control hole and accelerator inlet port and the connected state of accelerator outlet；Second intercommunicating pore of the 6th control hole and the second intercommunicating pore connection of the 3rd control hole, first intercommunicating pore of the 6th control hole connects with the accelerator inlet port of the fixing passage of main body, second check-valves screws in the 6th control hole, when accelerator enters the second intercommunicating pore of the 6th control hole, accelerator promotes elasticity closure end motion to enter the first intercommunicating pore of the 6th control hole, when accelerator stops the second intercommunicating pore entering the 6th control hole, elastic closure end recovers initial condition with by the second intercommunicating pore closure of the 6th control hole.
nullExtruded sheet supercritical carbon dioxide foaming equipment the most according to claim 4，It is characterized in that: on the sidewall of the 5th control hole, be provided with screw thread，First check-valves includes valve seat、Elastic closure end，One end of valve seat is provided with external screw thread，The externally threaded one end that arranges of valve seat is provided with elastic closure end accepting groove，Elastic closure end is arranged in elastic closure end accepting groove，Elastic closure end includes spring、Closure seat，The form and dimension of one end of closure seat matches with the second intercommunicating pore form and dimension of the 5th control hole，The other end of closure seat matches with the form and dimension of the elastic closure end accepting groove of valve seat，The other end of closure seat is additionally provided with the spring resettlement section housing spring，After being mounted with the elastic closure end accepting groove of other end insertion valve seat of the closure seat of spring，Match to fix the first check-valves and the 5th control hole by the screw thread on the external screw thread of valve seat and the sidewall of the 5th control hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410375689.6A CN104175445B (en) | 2014-08-01 | 2014-08-01 | Extruded sheet supercritical carbon dioxide foaming equipment |
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| CN201410375689.6A CN104175445B (en) | 2014-08-01 | 2014-08-01 | Extruded sheet supercritical carbon dioxide foaming equipment |
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| CN104175445B true CN104175445B (en) | 2016-08-17 |
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| US5801210A (en) * | 1997-10-29 | 1998-09-01 | Bayer Corporation | Method and apparatus for the production of essentially void free foams |
| CN101480831A (en) * | 2009-01-19 | 2009-07-15 | 北京中拓机械有限责任公司 | Supercritical fluid aerating powder conveying device and control method |
| CN102490306A (en) * | 2011-12-20 | 2012-06-13 | 宁夏鼎盛阳光保温材料有限公司 | Injection method and system of modified carbon dioxide for producing foamed extruded sheet |
| CN202764116U (en) * | 2012-05-29 | 2013-03-06 | 龙口阳光机械设备有限公司 | Carbon dioxide plastic foaming agent injection system |
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Effective date of registration: 20170418 Address after: 751100 the Ningxia Hui Autonomous Region Wuzhong City Industrial Zone, the eastern part of Erie Road Patentee after: Ningxia Dingsheng Environmental Protection Technology Co., Ltd. Address before: 751100 Wuzhong District, Wuzhong City, the Ningxia Hui Autonomous Region Bao garden, building No. 1141, No. 1 Patentee before: Ma Shaoyun |
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