Continuous operation steam explosion unit

A steam explosion machine and steam explosion technology, applied in feed, grain processing, food science, etc., can solve the problems of limited volume of steam explosion chamber and low operation efficiency, and achieve high work efficiency, continuous operation, and convenient and fast steam explosion operation Effect

Pending Publication Date: 2019-11-08
内蒙古华禹高科装备科技有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0003] The steam explosion technology can realize the change of the natural fiber structure of the straw, and it is easier to realize the fermentation and enzymatic hydrolysis of the straw. ...
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Method used

Support frame 6 is made up of frame 19, blasting piston head 13, blasting piston rod 14, blasting piston oil cylinder 20, slide rail 17, braking device 21, blasting pin 25, blasting oil cylinder 15 and discharge platform 18 , the braking device 21 is fixed on the frame 19, the sliding rail 17 is installed inside the braking device 21, the steam explosion piston rod 14 slides in the sliding rail 17...
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Abstract

The invention discloses a continuous operation steam explosion unit. The invention is used for solving the problems that when steam explosion is conducted on low density and loose materials such as straws, the operation efficiency is low. The continuous operation steam explosion unit is provided, the production rate is improved, the processing difficulty of the light specific gravity raw materialsis solved, under the steam pressure of 2 MPa-3 MPa, the specific gravity of the material is 300 kg/m3 after the material is compressed, pressure maintaining is conducted for 60-90 seconds, instant steam explosion of the straws such as corn, wheat and rice is conducted, and industrial production is realized. The continuous operation steam explosion unit is mainly composed of a feeding distributor,a material conveying pipeline and two or more continuous operation steam explosion machine units, a feeding compression piston moves reciprocally in a feeding steam explosion cylinder, the materialsare compressed and pushed into the steam explosion cylinder, so that continuous feeding and compression are realized; and when the steam explosion machine units are in a pressure maintaining and steamexplosion process, the feeding distributor feeds the next steam explosion machine unit, when the previous steam explosion unit finishes the steam explosion operation and enters feeding operation again, the feeding distributor feeds the steam explosion machine unit again, the whole continuous operation steam explosion unit is fast in operation and high in efficiency.

Application Domain

Feeding-stuffGrain treatments

Technology Topic

Specific gravityPiston +9

Image

  • Continuous operation steam explosion unit
  • Continuous operation steam explosion unit
  • Continuous operation steam explosion unit

Examples

  • Experimental program(1)

Example Embodiment

[0021] The present invention will be further described according to the drawings:
[0022] A continuous operation steam explosion unit, mainly composed of a feed distributor 1, a material conveying pipeline 2 and two or more continuous operation steam explosion unit 3, the feed distributor 1 passes through the material conveying pipeline 2 and the continuous operation steam explosion machine Unit 3 is connected.
[0023] The continuous operation steam explosion unit 3 is mainly composed of a feed compression piston 4, a feed steam explosion cylinder block 5 and a support frame 6. The feed compression piston 4 is mainly composed of a compression piston cylinder 23 and a feed compression piston cylinder 22 , Are connected by flanges.
[0024] The feed steam explosion cylinder block 5 is mainly composed of the feed cylinder block 7, the steam explosion cylinder block 8, the guide material muffler cover 9, the steam inlet flange 12, the inlet hopper 10, the forced conveying screw 24 and the motor 11. The feed cylinder block 7. The cylinder block of the steam explosion 8. The material-guiding muffler cover 9 is connected by flanges. The inlet hopper 10 is fixed on the side wall of the feeding cylinder body 7. The side wall of the cylinder body has a feeding hole, and the forced feeding screw 24 is placed in the hopper At the bottom of 10, the shaft of the motor 11 is connected with the shaft of the forced feeding screw 24, and the steam inlet flange 12 is fixed on the side wall of the explosion cylinder 8 to complete the delivery of high-pressure steam.
[0025] The support frame 6 is composed of a frame 19, a blasting piston head 13, a blasting piston rod 14, a blasting piston cylinder 20, a slide rail 17, a braking device 21, a blasting pin 25, a blasting cylinder 15 and a discharge platform 18. The device 21 is fixed on the frame 19, and the slide rail 17 is installed inside the brake device 21. The steam explosion piston rod 14 slides in the slide rail 17, and the blasting piston head 13 is placed in the blasting through the blasting pin 25 at the end of the blasting cylinder 15 In the working position, a discharging platform 18 is provided on the outer side of the braking device 21, and the working surface of the discharging platform is at a certain angle with the horizontal plane, which is convenient for unloading and collecting the exploded materials.
[0026] When the invention is working, a working cycle is composed of 4 working processes: loading, steam explosion, unloading, and returning.
[0027] Loading: After cutting the straw into sections, the feed distributor 1 first conveys the material to the hopper 10 of a continuous operation steam detonator unit 3, and the forced feeding screw 24 always feeds the material into the hopper 10 to the feed In the cylinder 7, the feed compression piston starts to work after the material is full, the first compression stroke is 70% of the length of the steam explosion cavity; the piston returns, the material is full, and the second compression stroke is 50% of the length of the steam explosion cavity ; The piston return stroke, the material is full, the third compression stroke is 35% of the length of the steam explosion cavity; the piston return stroke, the material is full, the fourth compression stroke is 25% of the length of the steam explosion chamber, the feed compression piston is locked in the steam The top of the cylinder is exploded to complete the charging process. At this time, the feed distributor 1 continuously delivers the material to the next continuous operation steam explosion unit 3.
[0028] Steam explosion: gas injection and pressure holding in the steam explosion cavity. The holding time is 60s-90s. The sealing ring on the feed compression piston 4 and the blasting piston head 13 realizes the sealing between the upper and lower pistons and the inner cylinder, forming a steam explosion cavity. The blasting cylinder 15 works to pull the blasting pin 25 back, and the blasting piston head 13 instantly leaves the steam blasting cavity to achieve steam explosion.
[0029] Unloading: The steam-explosive material is sprayed onto the unloading platform 18 along the conical guide muffler 9 and then slides down into the receiving trough.
[0030] Return: The blasting piston head 13 returns to the position waiting for blasting operation under the action of the blasting piston cylinder 20. The blasting cylinder 15 pushes out the blasting pin 25, jams the blasting piston rod 14, and the blasting piston is reset.
[0031] At this point, one working cycle of the present invention is all over, the feed distributor 1 continues to deliver the material to the steam explosion unit 3, the forced feeding screw 24 into the hopper continues to feed the material into the steam explosion cavity, and the next working cycle begins. The whole unit realizes continuous operation of steam explosion.

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Description & Claims & Application Information

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