CN104970433A - Water-cooling, air-cooling and inflatable sealing rings and applications in puffing crashing machines thereof - Google Patents
Water-cooling, air-cooling and inflatable sealing rings and applications in puffing crashing machines thereof Download PDFInfo
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Abstract
The present invention discloses water-cooling, air-cooling and inflatable sealing rings and applications in puffing crashing machines thereof. The water-cooling, air-cooling and inflatable sealing rings are all made of organic silicon rubber and have a structure similar to that of an automobile wheel inner tube, but the circular cross sections of the water-cooling and air-cooling seal rings have a diaphragm. A cooling fan is installed near a cooling water tank, and water coming out from the cooling water tank is pressurized by circulating water pumps, then passes through electromagnetic water valves, enters into the water-cooling rings from water inlet pipes, comes out from water outlet pipes, and enters into the cooling water tank through pressure reducing water valves. Compressed air released from an air compressor enters into an air storage tank through a one-way valve, and then comes out from the air storage tank, passes through electromagnetic air inlet valves, and enters into the gas-cooling seal rings from air inlet pipes, and then is expelled from pressure-limiting valves through air outlet pipes. Or compressed air coming out from an air storage tank passes through electromagnetic air inlet valves, and enters into the inflatable seal rings from air inlet pipes. When the pressure is decreased, the electromagnetic air inlet valves are switched off and the electromagnetic air release valves are switched on and the compressed air in the inflation seal rings are expelled from pressure-limiting valves through the electromagnetic air release valves.
Description
Technical field:
The present invention relates to a kind of water-cooled, air cooling and gas-flow closure circle and the application in expanded puffing machine.
Background technology:
The screw extrusion feed equipment of HTHP and the quick-fried broken equipment of screw extrusion continuous steam mainly comprise: safety can, feed screw, drawing-in device, back spray prevention device, digester and device for discharging.Drawing-in device has a large hopper, swash plate chute feeder on funnel limit in large hopper is equipped with electric screw conveying mechanism, during feeding, electric screw conveying mechanism delivers to bell mouth material from swash plate chute feeder, is then slipped to the conveying mechanism of drawing-in device from filler tube, is transported in the transverse tube of drawing-in device.Material is compressed into plug-like lump in the transverse tube of drawing-in device, thus is sealed by HTHP digester.Then compressed material will be smashed by the adjustable pneumatic hammer of back spray prevention device after entering digester from the outlet of the transverse tube of drawing-in device, under the operating temperature being exposed to rapidly digester and pressure.The tup of adjustable pneumatic hammer is truncated cone-shaped, little rear end, front end tup that is large or adjustable pneumatic hammer is hemispherical.The variable speed screw conveyer of digester is by the outlet of the mass transport to digester that fall into digester, and the processing time of material in digester is that transporting velocity regulates by regulating this conveying worm.Saturated vapor and compressed air are inputted by the air inlet pipe near the material inlet being positioned at digester vertical component end, variable speed screw conveyer, and operating temperature and pressure are generally 200 DEG C/1.55MPa ~ 238 DEG C/3.2MPa, and holding time is 1 ~ 5min.The variable speed screw conveyer end of digester is discharging opening, the discharging opening material out of digester is expressed to above rapidly-opened gate valve by the conveying mechanism of device for discharging, rapidly-opened gate valve regularly can spurt quick-fried broken material after digester process, and material is converted to rapidly extraneous normal pressure by the high pressure in device for discharging.Rapidly-opened gate valve is set as every 5 ~ 10s open once, and the duration is 0.5 ~ 1s.The conveying mechanism of drawing-in device is air rammer feeding pump, and the piston nose of air rammer feeding pump has pit, and there is the blade that a circle is sharp at the piston nose edge of air rammer feeding pump.
The sealing ring that the sealing ring that the rotating shaft of the screw extrusion feed equipment of HTHP and the quick-fried broken equipment of screw extrusion continuous steam, pneumatic hammer bar and air rammer use and rapidly-opened gate valve use is all be made up of organic silicon rubber.Because rubber seal is easy to wearing and tearing, add the at high temperature aging speed of rubber seal and accelerate, so the lifetime of rubber seal.In addition, rubber seal is to the water vapour in expanded pellet diet equipment and screw extrusion continuous steam puffing machine and compressed-air actuated air seal, and the difficulty that the difficulty of sealing wants comparison liquid (such as: water) to seal wants large many.Due to the rotating shaft of the screw extrusion feed equipment of HTHP and the quick-fried broken equipment of screw extrusion continuous steam, pneumatic hammer bar, air rammer and rapidly-opened gate valve can not use lubricating oil.So the sealing of the rotating shaft of the screw extrusion feed equipment of HTHP and the quick-fried broken equipment of screw extrusion continuous steam, pneumatic hammer bar, air rammer and rapidly-opened gate valve is more difficult.Even if so organic silicon rubber, also just increase the heat resistance of rubber seal, and the life-span of rubber seal can not be extended.
Only have Canadian Stake Technology company to have the quick-fried reactor product of continous way vapour at present, because equipment price is expensive, China does not buy this equipment.Chinese Academy of Sciences process study institute just began one's study this equipment for 2005 in the past, more than ten years, came to nothing so far.China Petrochemical Industry entrusts Beijing University of Technology's research and development screw extrusion continuous steam puffing machine, and this university will produce the model machine of screw extrusion continuous steam puffing machine the end of the year 2012.But there are some problems, counter-jetting resistance valve closing is tight, occur regurgitating phenomenon; There is skidding in the reversible bidirectional screw conveyer of coaxial feeder and the variable speed screw conveyer of digester.Owing to being the prototype test of screw extrusion continuous steam puffing machine, the number of times that rapidly-opened gate valve uses is few, and the sealing ring of rapidly-opened gate valve does not go wrong.But had company from the sealing ring of the high-grade rapidly-opened gate valve of Britain's import, after face of opening the soon valve of screw extrusion continuous steam puffing machine uses 50,000 times, sealing circle is just scrapped.Be set as that every opening in 5 ~ 10 seconds once the duration is 0.5 ~ 1 second according to the ball valve of screw extrusion continuous steam puffing machine; The ball valve of continuous steam puffing machine wants opening/closing nearly ten thousand times every day, and the ball valve of continuous steam puffing machine or the sealing ring of rapidly-opened gate valve, can only use five days.
Summary of the invention:
In the present invention, water cooled seal circle is made up of organic silicon rubber, structure is as the automotive wheel inner tube of a tyre.But water cooled seal circle circular cross-section has a barrier film, and barrier film is equipped with water inlet pipe, and barrier film another side is equipped with outlet pipe.Cooling water tank is other is equipped with a cooling fan.Pressurize through water circulating pump from cooling water tank water out, then through electromagnetic water valve, enter water cooled seal circle from water inlet pipe.From the outlet pipe water out of water cooled seal circle, after a decompression water valve, enter cooling water tank.
The application of water cooled seal circle on expanded puffing machine in the present invention.Application on the screw extrusion digester rotating shaft of water cooled seal circle in the expanded puffing machine of HTHP, air pressure hammer stem, pneumaticpiston and rapidly-opened gate valve, on the cylinder that water cooled seal circle is contained in screw extrusion digester rotating shaft in the expanded puffing machine of HTHP, the gentle pressure piston of air pressure hammer stem and rapidly-opened gate valve pipe lower end.After the water in cooling water tank extracted out by water circulating pump, be pressed into water cooled seal circle through electromagnetic water valve from water inlet pipe, water cooled seal circle is expanded, screw extrusion digester rotating shaft in the internal diameter of water cooled seal circle and the expanded puffing machine of HTHP, air pressure hammer stem gentle pressure piston external diameter close contact, with rapidly-opened gate valve lid close contact below water cooled seal circle.High-temperature high-pressure steam in expanded puffing machine is cooled to water after running into water cooled seal circle, and such water cooled seal circle is just the sealing changed into high-temperature high-pressure steam and compressed-air actuated sealing liquid water.Water is heated in water cooled seal circle, hot water from the outlet pipe of water cooled seal circle out after, enter cooling water tank through pressure-reducing valve and to be cooled fan blast-cold.Pressure-reducing valve can ensure that hydraulic pressure in water cooled seal circle is in setting range, and water circulating pump is extracted the water of fan blast-cold cooled in cooling water tank out and recycled.Water cooled seal circle needs step-down when rapidly-opened gate valve is opened, and at this moment electromagnetic water valve is closed, and the hydraulic pressure in water cooled seal circle will reduce rapidly.
In the present invention, air cooling sealing ring is made up of organic silicon rubber, structure is as the automotive wheel inner tube of a tyre.But air cooling sealing ring circular cross-section has a barrier film, and barrier film is equipped with air inlet pipe, and barrier film another side is equipped with escape pipe, and escape pipe end is equipped with pressure limiting valve.The compressed air that air compressor extrudes enters air accumulator through check valve, and air accumulator is equipped with pressure switch.Enter air cooling sealing ring through electromagnetic intake valve from air inlet pipe from air accumulator compressed air out, discharge through pressure limiting valve from the escape pipe compressed air out of air cooling sealing ring.
The application of air cooling sealing ring on expanded puffing machine in the present invention.Application on the screw extrusion digester rotating shaft of air cooling sealing ring in the expanded pellet diet puffing machine of HTHP, air pressure hammer stem, pneumaticpiston and rapidly-opened gate valve, on the cylinder that air cooling sealing ring is contained in screw extrusion digester rotating shaft in the expanded puffing machine of HTHP, the gentle pressure piston of air pressure hammer stem and rapidly-opened gate valve pipe lower end.The compressed air that air compressor extrudes enters air accumulator through check valve, air accumulator is equipped with pressure switch, stop the electricity of air compressor when the pressure of air accumulator compressed air reaches setting value, check valve can prevent the compressed air in air accumulator from leaking out from air compressor.Enter air cooling sealing ring through electromagnetic intake valve from air inlet pipe from air accumulator compressed air out, air cooling sealing ring is expanded, screw extrusion digester rotating shaft in the internal diameter of air cooling sealing ring and the expanded puffing machine of HTHP, air pressure hammer stem gentle pressure piston external diameter close contact, with rapidly-opened gate valve lid close contact below air cooling sealing ring.High-temperature high-pressure steam in expanded puffing machine is cooled to water after running into air cooling sealing ring, such air cooling sealing ring, just the sealing changed into high-temperature high-pressure steam and compressed-air actuated sealing liquid water, is discharged from the pressure limiting valve of escape pipe end by the compressed air heated in air cooling sealing ring.Air cooling sealing ring needs step-down when rapidly-opened gate valve is opened, and at this moment electromagnetic intake valve is closed, and a part of compressed air in air cooling sealing ring discharges rear step-down from pressure limiting valve.
In the present invention gas-flow closure circle be made up of organic silicon rubber, structure as the automotive wheel inner tube of a tyre, gas-flow closure circle is equipped with an air inlet pipe.The compressed air that air compressor extrudes enters air accumulator through check valve, and air accumulator is equipped with pressure switch.From air accumulator compressed air out successively through electromagnetic intake valve and threeway, then enter gas-flow closure circle from air inlet pipe.When gas-flow closure circle needs step-down, close electromagnetic intake valve, open electromagnetic exhaust valve simultaneously, a part of compressed air in gas-flow closure circle is out discharged from pressure limiting valve through electromagnetic exhaust valve afterwards from another interface of threeway.
The application of gas-flow closure circle on expanded puffing machine in the present invention.Application on the screw extrusion digester rotating shaft of gas-flow closure circle in the expanded puffing machine of HTHP, air pressure hammer stem, pneumaticpiston and rapidly-opened gate valve, on the cylinder that gas-flow closure circle is contained in screw extrusion digester rotating shaft in the expanded puffing machine of HTHP, the gentle pressure piston of air pressure hammer stem and rapidly-opened gate valve pipe lower end.The compressed air that air compressor extrudes enters air accumulator through check valve, air accumulator is equipped with pressure switch stops air compressor electricity when the pressure of air accumulator compressed air reaches setting value, check valve can prevent the compressed air in air accumulator from leaking out from air compressor.Enter gas-flow closure circle through electromagnetic intake valve and threeway from air inlet pipe successively from air accumulator compressed air out, gas-flow closure circle is expanded, screw extrusion digester rotating shaft in the internal diameter of gas-flow closure circle and the expanded puffing machine of HTHP, air pressure hammer stem gentle pressure piston external diameter close contact, with rapidly-opened gate valve lid close contact below gas-flow closure circle, play sealing function.Gas-flow closure circle needs when rapidly-opened gate valve is opened to be vented step-down, at this moment electromagnetic intake valve is closed, simultaneously electromagnetic exhaust valve is opened, another interface of a part of compressed air threeway in gas-flow closure circle out after, discharge from pressure limiting valve through the electromagnetic exhaust valve opened.
The gentle pressure piston of air pressure hammer stem is all slide, so can not use lubricating oil, prevents lubricant pollution feed.But the gentle pressure piston of air pressure hammer stem can not lubricate again, with the gentle pressure piston of Water spray air pressure hammer stem, both cools rubber seal, and have lubricated again the gentle pressure piston of air pressure hammer stem.
Every opening in 5 ~ 10 seconds once, the duration is 0.5 ~ 1 second to rapidly-opened gate valve, and every day opens up to ten thousand times.If the water cooled seal circle of rapidly-opened gate valve uses electromagnetic water valve, the air cooling sealing ring of rapidly-opened gate valve uses electromagnetic intake valve, and the gas-flow closure circle of rapidly-opened gate valve uses electromagnetic intake valve and electromagnetic exhaust valve, and so these magnetic valves are easy to damage.We can replace magnetic valve with motor machine valve; Such as: motor is rotated by gear reduction unit band moving cam, promotes mechanical valve open and closedown.The gas-flow closure circle of rapidly-opened gate valve uses electromagnetic intake valve and electromagnetic exhaust valve, can replace with motor machine reversal valve.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, concrete detailed description is further done to the present invention.
Fig. 1 is the structure principle chart of water cooled seal circle in the present invention.
Fig. 2 is the schematic diagram of the application of water cooled seal circle in expanded puffing machine in the present invention.
Fig. 3 is the structure principle chart of air cooling sealing ring in the present invention.
Fig. 4 is the schematic diagram of the application of air cooling sealing ring in expanded puffing machine in the present invention.
Fig. 5 is the structure principle chart of gas-flow closure circle in the present invention.
Fig. 6 is the schematic diagram of the application of gas-flow closure circle in expanded puffing machine in the present invention.
Detailed description of the invention:
Shown in Fig. 1, water cooled seal circle 6 is made up of organic silicon rubber, structure is as the automotive wheel inner tube of a tyre.But water cooled seal circle 6 circular cross-section has a barrier film, and water inlet pipe is housed on barrier film limit and another side is equipped with outlet pipe.Cooling water tank 2 is other is equipped with a cooling fan 1.Pressurize through water circulating pump 3 from cooling water tank 2 water out, then through electromagnetic water valve 9, enter water cooled seal circle 6 from water inlet pipe.From the outlet pipe water out of water cooled seal circle 6, after a decompression water valve, enter cooling water tank 2.
Shown in Fig. 2, the application of water cooled seal circle 6 on expanded puffing machine.Application on screw extrusion digester 18 rotating shaft of water cooled seal circle in the expanded puffing machine of HTHP, pneumatic mallet 15 bar, pneumaticpiston 16 and rapidly-opened gate valve 17, on the cylinder that water cooled seal circle 6 is contained in screw extrusion digester 18 rotating shaft in the expanded puffing machine of HTHP, pneumatic mallet 15 bar and pneumaticpiston 16 and rapidly-opened gate valve 17 pipe lower end.After the water in cooling water tank 2 extracted out by water circulating pump 3, be pressed into water cooled seal circle 6 through electromagnetic water valve 9 from water inlet pipe, water cooled seal circle 6 is expanded, screw extrusion digester 18 rotating shaft in the internal diameter of water cooled seal circle 6 and the expanded puffing machine of HTHP, pneumatic mallet 15 bar and pneumaticpiston 16 external diameter close contact, with rapidly-opened gate valve 17 lid close contact below water cooled seal circle 8.High-temperature high-pressure steam in expanded puffing machine is cooled to water after running into water cooled seal circle 6, and such water cooled seal circle 6 is just the sealing changed into high-temperature high-pressure steam and compressed-air actuated sealing liquid water.Water is heated in water cooled seal circle 6, hot water from upper can sealing ring 6 outlet pipe out after, enter cooling water tank 2 through pressure-reducing valve 10 and to be cooled fan 1 blast-cold.Pressure-reducing valve 10 can ensure that hydraulic pressure in water cooled seal circle 6 is in setting range, and water circulating pump 3 is extracted the water of fan 1 blast-cold cooled in cooling water tank 2 out and recycled.Water cooled seal circle 6 needs step-down when rapidly-opened gate valve 17 is opened, and at this moment electromagnetic water valve 9 is closed, and the hydraulic pressure in water cooled seal circle 6 will reduce rapidly.
Shown in Fig. 3, air cooling sealing ring 7 is made up of organic silicon rubber, structure is as the automotive wheel inner tube of a tyre.But air cooling sealing ring 7 circular cross-section has a barrier film, and air inlet pipe is housed barrier film and another side is equipped with escape pipe, escape pipe end is equipped with pressure limiting valve 14.The compressed air that air compressor 4 extrudes enters air accumulator 5 through check valve 11, and air accumulator 5 is equipped with pressure switch.Enter air cooling sealing ring 7 through electromagnetic intake valve 12 from air inlet pipe from air accumulator 5 compressed air out, discharge through pressure limiting valve 14 from the escape pipe compressed air out of air cooling sealing ring 7.
Shown in Fig. 4, the application of air cooling sealing ring 7 on expanded puffing machine.Application on screw extrusion digester 18 rotating shaft of air cooling sealing ring 7 in the expanded pellet diet puffing machine of HTHP, pneumatic mallet 15 bar, pneumaticpiston and rapidly-opened gate valve 17, on the cylinder that air cooling sealing ring 7 is contained in screw extrusion digester 18 rotating shaft in the expanded puffing machine of HTHP, pneumatic mallet 15 bar and pneumaticpiston 16 and rapidly-opened gate valve 17 pipe lower end.The compressed air that air compressor 4 extrudes enters air accumulator 5 through check valve 11, air accumulator 5 is equipped with pressure switch, stop the electricity of air compressor 4 when the pressure of air accumulator 5 compressed air reaches setting value, check valve 11 can prevent the compressed air of air accumulator 5 li from leaking out from air compressor 4.Enter air cooling sealing ring 7 through electromagnetic intake valve 12 from air inlet pipe from air accumulator 5 compressed air out, air cooling sealing ring 7 is expanded, screw extrusion digester 18 rotating shaft in the internal diameter of air cooling rubber seal 7 and the expanded puffing machine of HTHP, pneumatic mallet 15 bar and pneumaticpiston 16 external diameter close contact, with rapidly-opened gate valve 17 lid close contact below air cooling sealing ring 7.High-temperature high-pressure steam in expanded puffing machine is cooled to water after running into air cooling sealing ring 7, such air cooling sealing ring 7, just the sealing changed into high-temperature high-pressure steam and compressed-air actuated sealing liquid water, is discharged from the pressure limiting valve 14 of escape pipe end by the compressed air heated in air cooling sealing ring 7.Air cooling sealing ring 7 needs step-down when rapidly-opened gate valve is opened, and at this moment electromagnetic intake valve 12 is closed, and a part of compressed air in air cooling sealing ring 7 discharges rear step-down from pressure limiting valve 14.
Shown in Fig. 5, gas-flow closure circle 8 is made up of organic silicon rubber, structure as the automotive wheel inner tube of a tyre, gas-flow closure circle 8 is equipped with an air inlet pipe.The compressed air that air compressor 4 extrudes enters air accumulator 5 through check valve 11, and air accumulator 5 is equipped with pressure switch.From air accumulator 5 compressed air out successively through electromagnetic intake valve 12 and threeway, then enter gas-flow closure circle 8 from air inlet pipe.When gas-flow closure circle 8 needs step-down, close electromagnetic intake valve 12, open electromagnetic exhaust valve 13 simultaneously, the compressed air that gas-flow closure circle is 8 li from another interface of threeway out after, discharge from pressure limiting valve 14 through electromagnetic exhaust valve 13.
Shown in Fig. 6, the application of gas-flow closure circle 8 on expanded puffing machine.Application on screw extrusion digester 18 rotating shaft of gas-flow closure circle 8 in the expanded puffing machine of HTHP, pneumatic mallet 15 bar, pneumaticpiston 16 and rapidly-opened gate valve 17, on the cylinder that gas-flow closure circle is contained in screw extrusion digester 18 rotating shaft in the expanded puffing machine of HTHP, pneumatic mallet 15 bar and pneumaticpiston 16 and rapidly-opened gate valve 17 pipe lower end.The compressed air that air compressor 4 extrudes enters air accumulator 5 through check valve 11, air accumulator 5 is equipped with pressure switch stops air compressor 4 electricity when the pressure of air accumulator 5 compressed air reaches setting value, check valve 11 can prevent the compressed air of air accumulator 5 li from leaking out from air compressor 4.Enter gas-flow closure circle 8 through electromagnetic intake valve 12 and threeway from air inlet pipe successively from air accumulator 5 compressed air out, gas-flow closure circle 8 is expanded, screw extrusion digester 18 rotating shaft in the internal diameter of gas-flow closure circle 8 and the expanded puffing machine of HTHP, pneumatic mallet 15 bar and air pressure piston external diameter close contact, with rapidly-opened gate valve 17 lid close contact below gas-flow closure circle 8, play sealing function.Gas-flow closure circle needs when rapidly-opened gate valve 17 is opened to be vented step-down, at this moment electromagnetic intake valve 12 is closed, simultaneously electromagnetic exhaust valve 13 is opened, another interface of a part of compressed air threeway in gas-flow closure circle 8 out after, discharge from pressure limiting valve 14 through the electromagnetic exhaust valve 13 opened.
Claims (6)
1. a water-cooled rubber seal, it is characterized in that: water cooled seal circle (6) is made up of organic silicon rubber, structure is as the automotive wheel inner tube of a tyre, but water cooled seal circle (6) circular cross-section has a barrier film, barrier film is while be equipped with water inlet pipe, barrier film another side is equipped with outlet pipe, and cooling water tank (2) is other is equipped with a cooling fan (1); Pressurize from cooling water tank (2) water out through water circulating pump (3), again through electromagnetic water valve (9), water cooled seal circle (6) is entered from water inlet pipe, from the outlet pipe water out of water cooled seal circle (6), after a decompression water valve (10), enter cooling water tank (2).
2. the application of water cooled seal circle on expanded puffing machine, it is characterized in that: the application on screw extrusion digester (18) rotating shaft of water cooled seal circle (6) in the expanded puffing machine of HTHP, pneumatic mallet (15) bar, pneumaticpiston (16) and rapidly-opened gate valve (17), on the cylinder that water cooled seal circle (6) is contained in screw extrusion digester (18) rotating shaft in the expanded puffing machine of HTHP, pneumatic mallet (15) bar and pneumaticpiston (16) and rapidly-opened gate valve (17) pipe lower end; After the water in cooling water tank (2) extracted out by water circulating pump (3), be pressed into water cooled seal circle (6) through electromagnetic water valve (9) from water inlet pipe, water cooled seal circle (6) is expanded, screw extrusion digester (18) rotating shaft in the internal diameter of water cooled seal circle (6) and the expanded puffing machine of HTHP, pneumatic mallet (15) bar and pneumaticpiston (16) external diameter close contact, with rapidly-opened gate valve (17) lid close contact below water cooled seal circle (6); High-temperature high-pressure steam in expanded puffing machine is cooled to water after running into water cooled seal circle (6), and such water cooled seal circle (6) is just the sealing changed into high-temperature high-pressure steam and compressed-air actuated sealing liquid water; Water is heated in water cooled seal circle (6), hot water from the outlet pipe of water cooled seal circle (6) out after, cooled fan (1) blast-cold of cooling water tank (2) is entered through pressure-reducing valve (10), pressure-reducing valve can ensure that hydraulic pressure in water cooled seal circle (6) is in setting range, and water circulating pump (3) is extracted the water of fan (1) blast-cold cooled in cooling water tank (2) out and recycled; Water cooled seal circle (6) needs step-down when rapidly-opened gate valve (17) is opened, and at this moment electromagnetic water valve (9) is closed, and the hydraulic pressure in water cooled seal circle (6) will reduce rapidly.
3. an air cooling sealing ring, it is characterized in that: air cooling sealing ring (7) is made up of organic silicon rubber, structure is as the automotive wheel inner tube of a tyre, but air cooling sealing ring (7) circular cross-section has a barrier film, barrier film is while be equipped with air inlet pipe, barrier film another side is equipped with escape pipe, and escape pipe end is equipped with pressure limiting valve (14); The compressed air that air compressor (4) extrudes enters air accumulator (5) through check valve (11), (5) are equipped with pressure switch with air accumulator, enter air cooling sealing ring (7) through electromagnetic intake valve (12) from air inlet pipe from air accumulator (5) compressed air out, discharge through pressure limiting valve (14) from the escape pipe compressed air out of air cooling sealing ring (7).
4. the application of air cooling sealing ring on expanded puffing machine, it is characterized in that: the application on screw extrusion digester (18) rotating shaft of air cooling sealing ring (7) in the expanded pellet diet puffing machine of HTHP, pneumatic mallet (15) bar, pneumaticpiston (16) and rapidly-opened gate valve (17), on the cylinder that air cooling sealing ring is contained in screw extrusion digester (18) rotating shaft in the expanded puffing machine of HTHP, pneumatic mallet (16) bar and pneumaticpiston (15) and rapidly-opened gate valve (17) pipe lower end, the compressed air that air compressor (4) extrudes enters air accumulator (5) through check valve, (5) are equipped with pressure switch with air accumulator, the electricity of air compressor (4) is stopped when the pressure of air accumulator (5) compressed air reaches setting value, check valve (11) can prevent the inner compressed air of air accumulator (5) from leaking out from air compressor (4), enters air cooling sealing ring (7) from air accumulator (5) compressed air out, air cooling sealing ring (7) is expanded through electromagnetic intake valve (12) from air inlet pipe, screw extrusion digester (18) rotating shaft in the internal diameter of air cooling sealing ring (7) and the expanded puffing machine of HTHP, pneumatic mallet (15) bar and pneumaticpiston (16) external diameter close contact, with rapidly-opened gate valve (17) lid close contact below air cooling sealing ring (7), high-temperature high-pressure steam in expanded puffing machine is cooled to water after running into air cooling sealing ring (7), such air cooling sealing ring (7) is just the sealing changed into high-temperature high-pressure steam and compressed-air actuated sealing liquid water, discharged from the pressure limiting valve of escape pipe end by the compressed air heated in air cooling sealing ring, air cooling sealing ring (7) needs step-down when rapidly-opened gate valve (17) is opened, at this moment electromagnetic intake valve (12) is closed, and a part of compressed air in air cooling sealing ring (7) discharges rear step-down from pressure limiting valve (14).
5. a gas-flow closure circle, is characterized in that: gas-flow closure circle (8) is made up of organic silicon rubber, structure as the automotive wheel inner tube of a tyre, gas-flow closure circle (8) is equipped with an air inlet pipe; The compressed air that air compressor (4) extrudes enters air accumulator (5) through check valve (11), (5) are equipped with pressure switch with air accumulator, enter gas-flow closure circle (8) successively from air accumulator (5) compressed air out through electromagnetic intake valve (12) and threeway from air inlet pipe; When gas-flow closure circle (8) needs step-down, close electromagnetic intake valve (12), open electromagnetic exhaust valve (13) simultaneously, the inner a part of compressed air of gas-flow closure circle (8) from another interface of threeway out after, discharge from pressure limiting valve (14) through electromagnetic exhaust valve (13).
6. the application of gas-flow closure circle on expanded puffing machine, it is characterized in that: screw extrusion digester (18) rotating shaft of gas-flow closure circle (8) in the expanded puffing machine of HTHP, pneumatic mallet (15) bar, application on pneumaticpiston (16) and rapidly-opened gate valve, gas-flow closure circle is contained in screw extrusion digester (18) rotating shaft in the expanded puffing machine of HTHP, pneumatic mallet (15) bar, on the cylinder of pneumaticpiston (16) and rapidly-opened gate valve (17) pipe lower end, the compressed air that air compressor (4) extrudes enters air accumulator (5) through check valve (11), pressure switch air accumulator (5) is equipped with when the pressure of air accumulator (5) compressed air reaches setting value, stop the electricity of air compressor (4), check valve (11) can prevent the inner compressed air of air accumulator (5) from leaking out from air compressor (4), gas-flow closure circle (8) is entered through electromagnetic intake valve (12) and threeway from air inlet pipe successively from air accumulator (5) compressed air out, gas-flow closure circle (8) is expanded, screw extrusion digester (18) rotating shaft in the internal diameter of gas-flow closure circle (8) and the expanded puffing machine of HTHP, pneumatic mallet (15) bar and pneumaticpiston (16) external diameter close contact, with rapidly-opened gate valve (17) lid close contact below gas-flow closure circle (8), play sealing function, gas-flow closure circle (8) needs when rapidly-opened gate valve is opened to be vented step-down, at this moment electromagnetic intake valve (12) closedown, simultaneously electromagnetic exhaust valve (13) are opened, a part of compressed air in gas-flow closure circle (8) from another interface of threeway out after, discharge from pressure limiting valve (14) through the electromagnetic exhaust valve (13) opened.
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| CN201195813Y (en) * | 2007-12-19 | 2009-02-18 | 中国蓝星（集团）总公司 | Intermittent steam blasting device |
| CN101718342A (en) * | 2009-12-05 | 2010-06-02 | 张英华 | Sealing device of continuous steam explosion machine |
| CN203212923U (en) * | 2013-03-26 | 2013-09-25 | 孟周强 | Cellulosic biomass ethanol horizontal tube continuous digester steam explosion device |
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| CN203757001U (en) * | 2013-12-28 | 2014-08-06 | 楚天科技股份有限公司 | Air-charging sealing ring assembly |
| CN104001578A (en) * | 2014-05-21 | 2014-08-27 | 张英华 | Screw extruding continuous steam explosion machine and control method |
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Application publication date: 20151014 |