CN103088684A - Defibrator system and defibrination method thereof - Google Patents
Defibrator system and defibrination method thereof Download PDFInfo
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- CN103088684A CN103088684A CN 201310065527 CN201310065527A CN103088684A CN 103088684 A CN103088684 A CN 103088684A CN 201310065527 CN201310065527 CN 201310065527 CN 201310065527 A CN201310065527 A CN 201310065527A CN 103088684 A CN103088684 A CN 103088684A
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Abstract
The invention provides a defibrator system and a defibrination method of the defibrator system, wherein the defibrator system comprises a feed hopper and a defibrator. The feed hopper is longitudinally arranged on the front end of a twin-screw extruder, a back-jet resisting device, a vertical drop hopper, a horizontal preheat tank with screw conveying, a belted screw feeder and the defibrator are sequentially arranged on the rear end of the twin-screw extruder, and steam balance control systems are arranged on inlet and outlet of the horizontal preheat tank. The defibrination method of the defibrator system comprises the following steps: feeding wood chips of a certain specification into the longitudinally arranged feed hopper; conducting primary dissociation and conquassation on the wood chips through dynamic extrusion of the twin-screw extruder; feeding the conquassated wood chips into the vertical drop hopper; conducting precooking on the conquassated wood chips dropping into the horizontal preheat tank by self-weight at temperature from 110 to 130 degrees centigrade in the horizontal preheat tank; feeding the precooked conquassated wood chips into the defibrator by the belted screw feeder through the screw conveying of the horizontal preheat tank; and forming wood fiber with high physical property after defibration of the defibrator. The defibrator system and the defibrination method of the defibrator system are high in using raw materials and capable of improving capacity by at least 50 percents.
Description
Technical field
A kind of defibrator system of the present invention and grinding method thereof relate to defibrator process apparatus for production line and production method thereof that wood chip grinds to form xylon.
Background technology
In the production of the fiberboards such as medium density fibre board (MDF) (MDF), defibrator process is fibroplastic most critical operation, and the form of fiber directly affects the quality of MDF.The ingredient requirement of fiber defibrator process is even by the wood chip of defibrator process size, and otch is level and smooth.Specification is with long 20 1 25 mm, wide 10 1 30 mm, and thick 2 one 5 mm are advisable.Wood chip is excessive, is difficult to soften in the defibrination process, and is difficult for softening evenly, can be mingled with some thick stalks after defibrator process in fiber.In the prior art of grinding xylon defibrator process production line, as shown in the structure that discloses in Fig. 1 of publication number CN1974920A patent documentation, wood chip enters pre-hot aggregate bin by charging aperture, sent into by screw machine again and carry out the High Temperature High Pressure boiling in the boiling cylinder, general boiling temperature is 170 degree Celsius, sends into defibrator again and grind after wood chip is softening.
In addition, Granted publication number is the production technology of CN100441772 thermomechanical bamboo pulp, its production stage is: bamboo wood becomes sheet stock through blank, bamboo chip with hot wash dewaters through water-strainer, with conveying equipment, bamboo chip being sent into pre-hot aggregate bin again heats softening, bamboo chip after pre-thermal softening enters to be rubbed with the hands in grinding machine, enter again in boiling vessel, bamboo material after further softening is sent into defibrator and is finish grinded, the material that finish grindes out enters eliminating potential pool and disappears latent, send into pressurized screen after dilution, sift out thick slag, the good slurry that filters out uses in order to the back segment operation.
Problems of the prior art are: in wood chip was made the process of xylon through whole grinding system, the defibrator power consumption was large, and water is many, and wood chips raw is because the easy carbonization of boiling under High Temperature High Pressure.
Summary of the invention
The object of the invention is: a kind of defibrator system is provided, and the unit's of making production capacity power consumption is few, high to utilization rate of raw materials, energy-saving and water-saving.
A further object of the present invention is: the grinding method that utilizes above-mentioned defibrator system is provided.
The object of the invention is achieved through the following technical solutions: a kind of defibrator system, be used for wood chip and grind pulping, comprise feed hopper and defibrator, wherein: described feed hopper vertically arranges, be located at the twin (double) screw extruder front end, sequentially be provided with counter-jetting resistance device, vertical material-falling hopper, horizontal type preheating can, belt type spiral feeding machine and defibrator with helical feed in the twin (double) screw extruder rear end, be provided with the balance of steam control system in the inlet and outlet of horizontal type preheating can.Defibrator system of the present invention lacks than water consumption low in energy consumption with traditional defibrator process device, because first adopt twin (double) screw extruder to make wood chip tentatively from separating and conquassation; And through counter-jetting resistance device, vertically effective conveying of material-falling hopper raising wood chip; Carry out pre-boiling at described horizontal type preheating can, and with helical feed to defibrator, because pre-digestion process is arranged, boiling temperature is not high, and the cellulose carbonation rate is descended, raw-material utilization rate improves; Inlet and outlet at the horizontal type preheating can is provided with the balance of steam control system, can control the pressure of each interface, guarantees that the conquassation wood chip enters in defibrator under positive differential pressure smoothly.And can preventing that material is counter, the setting of counter-jetting resistance device flows.
On the such scheme basis, described twin (double) screw extruder is the horizontal type twin (double) screw extruder.The conveying to wood chip is not only in the effect of horizontal type twin (double) screw extruder, wood chip is carried out for the first time forming large cellulose from separating and conquassation especially in course of conveying, makes the specific work depletion of defibrator in follow-up grinding little.
On the such scheme basis, be provided with pre-heating cabin between the feed hopper of described vertical setting and twin (double) screw extruder feed end, conveniently the wood chip that enters defibrator system is carried out pre-thermal softening, more easily extruding.
On the such scheme basis, for to tentatively from separating and the wood chip of conquassation carries out boiling fully in advance, described belt type spiral feeding machine horizontally set.
The present invention also provides the grinding method that utilizes above-mentioned defibrator system, comprises the steps:
The first, standby wood chip, described chip dimensions is that length and width all is not more than 10 centimetres, and starts defibrator system;
The second, described wood chip is sent into the feed hopper of vertical setting, by the dynamic extruding of twin (double) screw extruder, wood chip is carried out preliminary from separating and conquassation; Sent in vertical material-falling hopper by the wood chip of conquassation, rely on deadweight to fall into the horizontal type preheating can and carry out pre-boiling at 110 degree Celsius to 130 degree Celsius, conquassation wood chip by pre-boiling is sent in defibrator by the belt type spiral feeding machine by the helical feed in the horizontal type preheating can, through becoming xylon after the defibrator defibrator process, complete the defibrination process.
On the such scheme basis, the boiling temperature in described horizontal type preheating can is 120 degree Celsius.
Make the wood chip of conquassation further softening; Continuously sent in defibrator by the wood chip after pre-boiling by the belt type spiral feeding machine; Wood chip through after defibrator process finally becomes the xylon with high physical property, completes the defibrination program.
The present invention compares with traditional defibrator process production line: (1) unit production capacity power consumption is little; (2) energy-conservation, water saving; (3) raw material availability is high, and refining concentration improves; (4) fibre cutting is few, and the physical performance index of gained fiber is improved significantly; (5) the defibrator production capacity improves at least 50%.
The invention will be further described below in conjunction with accompanying drawing.
Description of drawings
Accompanying drawing 1 is defibrator system schematic diagram of the present invention;
Establish the pre-heating cabin schematic diagram between the feed end of accompanying drawing 2 for feed hopper and twin (double) screw extruder;
Attached number in the figure explanation:
1---feed hopper;
2---twin (double) screw extruder; 21---pre-heating cabin;
3---the counter-jetting resistance device; 4---vertical material-falling hopper;
5---the horizontal type preheating can; 6---the belt type spiral feeding machine;
7---defibrator; 81,82---the balance of steam control system.
The specific embodiment
Be defibrator system schematic diagram 1 of the present invention as accompanying drawing 1.
As shown in Figure 1, a kind of defibrator system, be used for wood chip and grind to form wood pulp, be used for wood chip and grind pulping, comprise feed hopper and defibrator, wherein: described feed hopper 1 vertically arranges, and is located at twin (double) screw extruder 2 front ends, sequentially be provided with counter-jetting resistance device 3, vertical material-falling hopper 4, horizontal type preheating can 5, belt type spiral feeding machine 6 and defibrator 7 with helical feed in twin (double) screw extruder 1 rear end, be respectively equipped with balance of steam control system 81,82 in the inlet and outlet of horizontal type preheating can 5.
Utilize the grinding method of defibrator system to comprise the steps:
The first, standby wood chip cuts the wood chip that enters system, and making described chip dimensions is that length and width all is not more than 10 centimetres, and starts defibrator system;
The second, described wood chip is sent into the feed hopper 1 of vertical setting, by the dynamic extruding of twin (double) screw extruder 2, wood chip is carried out preliminary from separating and conquassation; By the wood chip of conquassation in counter-jetting resistance device 3 is sent into vertical material-falling hopper 4, the conquassation wood chip falls into horizontal type preheating can 5 according to deadweight, carry out pre-boiling at 110 degree Celsius to 130 degree Celsius, the conquassation wood chip of pre-boiling is sent in defibrator 7 by belt type spiral feeding machine 6 by the helical feed in horizontal type preheating can 5, through becoming the xylon with high physical property after defibrator 7 defibrator process, complete the defibrination process.
Need the Celsius 170 high-temperature-phase ratios of spending the left and right with the traditional handicraft boiling, boiling temperature is not high, the cellulose carbonation rate is descended, thereby raw-material utilization rate is improved; And guarantee that by balance of steam control system 81,82 wood chip of conquassation and pre-boiling enters in the grinding chamber body of defibrator 7 smoothly under positive differential pressure.
Twin (double) screw extruder 2 is the horizontal type twin (double) screw extruder, with traditional single-screw extruder, the function that wood chip carries out simple transport is compared, twin (double) screw extruder 2 more can carry out making wood chip form large cellulose from separating and conquassation to wood chip simultaneously, reduces the unit power consumption of defibrator in follow-up grinding.
Boiling temperature in horizontal type preheating can 5 preferably is controlled at about 120 degree Celsius.
Establish as shown in the pre-heating cabin schematic diagram between the feed end of accompanying drawing 2 feed hoppers and twin (double) screw extruder, defibrator system is identical with embodiment 1, just, can be provided with pre-hot aggregate bin 21 between feed hopper 1 and twin (double) screw extruder 2, can carry out preheating to the wood chip that enters system, so that wood chip is softening, easier of solution, conquassation.
Claims (6)
1. a defibrator system, be used for wood chip and grind pulping, comprises feed hopper and defibrator, it is characterized in that:
Described feed hopper vertically arranges, be located at the twin (double) screw extruder front end, sequentially be provided with counter-jetting resistance device, vertical material-falling hopper, horizontal type preheating can, belt type spiral feeding machine and defibrator with helical feed in the twin (double) screw extruder rear end, be provided with the balance of steam control system in the inlet and outlet of horizontal type preheating can.
2. defibrator system according to claim 1, it is characterized in that: described twin (double) screw extruder is the horizontal type twin (double) screw extruder.
3. defibrator system according to claim 1 and 2 is characterized in that: be provided with pre-heating cabin between the feed hopper of described vertical setting and twin (double) screw extruder feed end.
4. defibrator system according to claim 1, is characterized in that: described belt type spiral feeding machine horizontally set.
5. the grinding method of the described defibrator system of any one of according to claim 1 to 4, comprise the steps: the first, standby wood chip, and described chip dimensions is that length and width all is not more than 10 centimetres, and starts defibrator system;
The second, described wood chip is sent into the feed hopper of vertical setting, by the dynamic extruding of twin (double) screw extruder, wood chip is carried out preliminary from separating and conquassation; Sent in vertical material-falling hopper by the wood chip of conquassation, deadweight falls into the horizontal type preheating can and carries out pre-boiling at 110 degree Celsius to 130 degree Celsius, the conquassation wood chip of pre-boiling is sent in defibrator by the belt type spiral feeding machine by the helical feed in the horizontal type preheating can, through becoming xylon after the defibrator defibrator process, complete the defibrination process.
6. grinding method according to claim 5 is characterized in that: the boiling temperature in described horizontal type preheating can is 120 degree Celsius.
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| CN 201310065527 CN103088684A (en) | 2013-03-01 | 2013-03-01 | Defibrator system and defibrination method thereof |
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| CN 201310065527 CN103088684A (en) | 2013-03-01 | 2013-03-01 | Defibrator system and defibrination method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638283A (en) * | 2018-04-09 | 2018-10-12 | 镇江中福马机械有限公司 | The rotary of Fibreboard Production equipment regurgitates system |
| CN109653011A (en) * | 2018-11-28 | 2019-04-19 | 梁雪怡 | A kind of defibrator of high pressure heat-preserving self-emptying |
| CN110195372A (en) * | 2019-06-19 | 2019-09-03 | 东南生态修复有限公司 | A kind of wood-fibred production method |
| CN111926602A (en) * | 2020-08-12 | 2020-11-13 | 郭会云 | Self-control high-temperature treatment thermo-milling type double-fermentation bio-mechanical pulp making method and pulp making equipment |
| CN113152134A (en) * | 2021-05-17 | 2021-07-23 | 中国制浆造纸研究院衢州分院 | Closed tearing pulp grinding system |
| CN114318918A (en) * | 2021-12-31 | 2022-04-12 | 郑州运达造纸设备有限公司 | Preparation process of chemi-mechanical pulp |
-
2013
- 2013-03-01 CN CN 201310065527 patent/CN103088684A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638283A (en) * | 2018-04-09 | 2018-10-12 | 镇江中福马机械有限公司 | The rotary of Fibreboard Production equipment regurgitates system |
| CN109653011A (en) * | 2018-11-28 | 2019-04-19 | 梁雪怡 | A kind of defibrator of high pressure heat-preserving self-emptying |
| CN110195372A (en) * | 2019-06-19 | 2019-09-03 | 东南生态修复有限公司 | A kind of wood-fibred production method |
| CN111926602A (en) * | 2020-08-12 | 2020-11-13 | 郭会云 | Self-control high-temperature treatment thermo-milling type double-fermentation bio-mechanical pulp making method and pulp making equipment |
| CN113152134A (en) * | 2021-05-17 | 2021-07-23 | 中国制浆造纸研究院衢州分院 | Closed tearing pulp grinding system |
| CN114318918A (en) * | 2021-12-31 | 2022-04-12 | 郑州运达造纸设备有限公司 | Preparation process of chemi-mechanical pulp |
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Application publication date: 20130508 |