CN105181524A - Wood shaving and particle unit quality analyzer - Google Patents
Wood shaving and particle unit quality analyzer Download PDFInfo
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- CN105181524A CN105181524A CN201510664713.2A CN201510664713A CN105181524A CN 105181524 A CN105181524 A CN 105181524A CN 201510664713 A CN201510664713 A CN 201510664713A CN 105181524 A CN105181524 A CN 105181524A
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- screen
- screen tray
- controller
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- sieve unit
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Abstract
The invention provides a wood shaving and particle unit quality analyzer which can automatically detect the quality indexes such as the water content, the screening value and the stacking density of wood shavings and particles and is simple in structure and convenient to use. The wood shaving and particle unit quality analyzer comprises a shell, a vibrating source capable of vibrating is arranged in the shell, and screening units are arranged on the vibrating source. Each screening unit comprises a supporting base, a screening disc and a force sensor, wherein the screening disc and the force sensor are located on the supporting base. The force sensors used for detecting the weight of the screen discs are arranged between the screen discs and the supporting bases. The output of the force sensors is connected with a controller. A display screen outside the shell is connected with the controller. A screen face with screen meshes is arranged at the bottom of each screen disc, and a baffle is arranged on the periphery of each screen disc. The lower portion of each supporting base is arranged on the corresponding vibrating source through an elastic element. A heating source used for drying materials is arranged in the shell.
Description
Technical field
This technology relates to the wooden shavings and particulate units mass-synchrometer analyzed the quality of wooden shavings and particulate units.
Background technology
Particieboard (having another name called " solid wood granule plate ") is the fragment starting material such as timber being cut into certain specification, through super-dry, mixes with tackifier, rigidizer, water-proofing agent, a kind of artificial board suppressed at a certain temperature.Because raw material sources are extensive, cheap, surfacing is applicable to veneer and has sight, the advantages such as resistant is ageing-resistant, make particieboard industry rise quickly rapidly, and producing particieboard does not need washing, the equipment investment being conducive to environmental protection production particieboard is few, so just brings the wooden advantage of a series of one-tenth.From this angle, development particieboard is produced and is more met the energy-saving and emission-reduction of China and the developing direction of comprehensive utilization of resources.The a large amount of particieboard of producing in Europe proves, the purposes of particieboard be do not have doubt.Problem is that can the product quality of producing adapt to its purposes, and particieboard is produced the demand that must meet market and could be developed.The production of furniture and timber floor has higher requirement to the presentation quality of particieboard and mechanical strength, produces the plate fitment such as office furniture, kitchen furniture, needs particieboard to have good machining property and presentation quality; Make wood floor base material and then require that particieboard has certain intensity and density, there is no the particieboard of sufficient intensity and good workability, be not suitable for using in a lot of occasions.
Wood shavings are as the important source material of producing particieboard, and raw material is wood material and non-wood material.Usually wood shavings are divided into special wood shavings (wide planer flower, bar-shaped wood shavings, miniature wood shavings, fiber wood shavings) and waste material wood shavings (factory's wood shavings, graininess wood shavings and wood powder).The formation of wood shavings kind, is determined with the seeds water percentage of itself jointly by the plant equipment of processing wood shavings.The wood shavings of broad sense comprise particle.But people are when mentioning wooden shavings and particle, and implication is slightly distinguished, the wood shavings of narrow sense, its length and width are comparatively large, thickness is less; And particle, its length, width, thickness are substantially equal.
The shape of wood shavings, size directly affect MOR, internal bond strength, the physical and mechanical property such as supine human body and production technology of particieboard.For wood shavings, main its following index of detection.
, easily there is too much chip, particieboard watch core stratum proportion may be caused to lack of proper care, thus affect product quality in water percentage: the quality of shaving shape depends on wood shavings water percentage index to a great extent, and water percentage is too low; Water percentage is too high, and wooden plasticity increases, and the elastic deformation of timber increases, and thick large wood shavings, often appear in timber transverse fiber not easy fracture.Particle drying makes wood shavings moisture evaporate by thermal medium heat supply exactly, reaches the process of required whole water percentage.
Screening value: material wider for particle size range is divided into several ranks by granularity.The method that hand sieving is crossed by testing sieve Netcom measures.
Bulk density: it is that wood shavings to be measured are freely filled in a certain container that bulk density is surveyed in experiment, mass per volume measured after just having filled, its porosity is obtained by measuring bulk density, the indexs such as the grating of wood shavings are judged roughly by the size of porosity, particle size distribution is better, and porosity is less.
Can find out thus, although existing experimental technique and equipment can meet each measure requirement, test link can not be simplified, and degree of accuracy far not reach the demand of scientific research yet.
Summary of the invention
The object of this technology is to provide a kind of quality index, the wooden shavings that structure is simple, easy to use and the particulate units mass-synchrometer such as water percentage, screening value, bulk density that automatically can detect wooden shavings and particle.
Wooden shavings described in this technology and particulate units mass-synchrometer, comprise shell, is provided with the vibration source that can vibrate in the enclosure, vibration source is provided with sieve unit; Described sieve unit comprises supporting seat, be positioned at screen tray, force snesor above supporting seat; Force snesor for detecting screen tray weight is arranged between screen tray and supporting seat; The output of force snesor connects controller, is connected with controller at the display screen of housing exterior; The bottom of screen tray is for having the compass screen surface of sieve aperture, and periphery is baffle plate; Supporting seat bottom is arranged on vibration source by flexible member; There is heating source for drying material in the enclosure.
The beneficial effect of this technology: during use, is filled in wooden shavings or Particle free in screen tray, and after filling up, the volume v of screen tray is exactly the wood shavings or particle volume of filling; Simultaneously, the information such as the weight of the screen tray that force snesor records and wood shavings or particle send controller to and carry out processing the quality m obtaining wood shavings or particle, then can calculate the bulk density t of wood shavings or particle according to bulk density t=m/v and output to display display.
Measure water percentage: fill up wood shavings or particle on screen tray after, open heating source and drying is carried out to wood shavings or particle, in dry run, the information such as the weight of material on screen tray and screen tray are constantly transferred to controller by force snesor, show weight of material s in real time after via controller process.If weight of material s no longer changes on screen tray, dry end is described.Then can calculate the water percentage of wood shavings or particle according to controller according to the weight n before and after dry materials, s, and send display to show.
Measure the process of screening value: vibration source vibrates, be connected to supporting seat on vibration source by flexible member and namely screen tray vibrates.Small size wood shavings in screen tray or granule due to gap little, bulky grain or large scale wood shavings can not pass, and therefore bulky grain or large scale wood shavings constantly raise position at the volley.So the particle swarm of originally disorderly and unsystematic arrangement is separated, namely carried out layering by grain size, define by granule and small size wood shavings under, bulky grain and large scale wood shavings are upper regularly arranged.Arrive granule or the small size wood shavings of compass screen surface, compare through carrying out size with sieve aperture, person sieves thoroughly to be less than sieve aperture, finally realizes thick fines segregation, completes screening process.In screening process, the information such as the weight of leftover materials on screen tray and screen tray are constantly transferred to controller by force snesor, show remaining weight of material n on screen tray in real time after via controller process.If remaining weight of material n no longer changes on screen tray, illustrate that screening terminates.Then can calculate screening value for specific size sieve aperture according to controller according to information such as the weight m of weight of material n remaining on screen tray, the wood shavings initially recorded or particle, and send display to show.
One's duty analyzer can calculate in real time and demonstrate the information such as wood shavings and particle water percentage, screening value, bulk density, and automaticity is high, substantially without the need to artificial interference, easy to use.
Above-mentioned wooden shavings and particulate units mass-synchrometer, it also comprises other sieve unit, and each sieve unit is arranged above and below, and arranges elasticity original paper between the supporting seat in adjacent two sieve unit; Screen-aperture in the sieve unit of top is greater than the screen-aperture in the sieve unit of below.Like this, during vibration source vibration, each sieve unit is all vibrated, after screening terminates (wood shavings on each screen tray or granular mass no longer change), wood shavings in each screen tray from up to down arranged or particle, its particle diameter is also descending, achieves wood shavings or gradation, controller terminates the information such as the weight m of the weight n of material on rear each screen tray, the wood shavings initially recorded or particle according to screening can calculate screening value for different size sieve aperture, and send display to show.
Above-mentioned wooden shavings and particulate units mass-synchrometer, the temperature sensor for detecting enclosure temperature that it is also connected with controller, controller is connected with the heating control apparatus of heating source.By the feedback of temperature sensor to heating-up temperature, the watt level of controller to heating source controls, and makes material remain on a metastable baking temperature, and then controls the humidity (water percentage) of material.
Above-mentioned wooden shavings and particulate units mass-synchrometer, described supporting seat comprises spacing ring and is positioned at the spoke bottom spacing ring; Screen tray is positioned at spacing ring inside, has gap between screen tray periphery and spacing ring inwall.
Above-mentioned wooden shavings and particulate units mass-synchrometer, described flexible member is spiral compression spring.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of wooden shavings and particulate units mass-synchrometer.
Fig. 2 is the vertical view of the supporting seat in Fig. 1.
Embodiment
Wooden shavings shown in Figure 1 and particulate units mass-synchrometer, comprise shell 11, and bottom is in the enclosure provided with the vibration source 10 that can vibrate, and vibration source arranges chassis 4.
Three sieve unit 1,2,3 are arranged above and below.Each sieve unit includes supporting seat 8, be positioned at screen tray 6, force snesor 7 above supporting seat.
The bottom of screen tray is for having the compass screen surface 62 of sieve aperture 61, and periphery is baffle plate 63.See Fig. 2, the spoke 82 that supporting seat comprises spacing ring 81 and is positioned at bottom spacing ring; Screen tray is positioned at spacing ring inside, has gap between baffle plate periphery and spacing ring inwall.
Between supporting seat between supporting seat in adjacent two sieve unit and in bottom sieve unit and chassis, spiral compression spring 9 is all set.
From top to bottom, the screen-aperture in the sieve unit of top is greater than the screen-aperture in the sieve unit of below.
Force snesor 7 for detecting screen tray weight is arranged between spoke top and compass screen surface bottom.The output of the force snesor in each sieve unit is all electrically connected with controller (not shown) and connects, and is connected with controller at the display screen (not shown) of shell outer setting.
Side, bottom has the infrared heating source 5 for drying material in the enclosure, sets out gas port 12 in shell upper away from the opposite side in infrared heating source 5.
Vibration source can be motor-operated vibrator, and sieve unit, under the effect of vibration source, produces circular, the vibration of ellipse or straight path.
Stretch in shell, be electrically connected with controller for the temperature sensor detecting enclosure temperature, controller is electrically connected with the heating control apparatus of heating source.The baking temperature to wood shavings or particle can be set by controller, make temperature stabilization in shell about baking temperature.
During use, wooden shavings (or particle) is freely filled in the screen tray in uppermost sieve unit, after filling up, the volume v of screen tray is exactly wood shavings (or particle) volume of filling; Simultaneously, the information such as the weight of the screen tray that force snesor records and wood shavings (or particle) send controller to and carry out the quality m that process obtains wood shavings (or particle), then can calculate the bulk density t of wood shavings (or particle) according to bulk density t=m/v and output to display display.
Measure water percentage: fill up wood shavings (or particle) on screen tray after, open heating source and drying is carried out to wood shavings (or particle), in dry run, the information such as the weight of material on screen tray and screen tray are constantly transferred to controller by force snesor, show weight of material s in real time after via controller process.If weight of material s no longer changes on screen tray, dry end is described.Then can calculate the water percentage of wood shavings (or particle) according to controller according to the weight n before and after dry materials, s, and send display to show.
Measure the process of screening value: vibration source vibrates, each sieve unit is all vibrated, after screening terminates (wood shavings (or particle) quality on each screen tray no longer changes), wood shavings (or particle) in each screen tray from up to down arranged, its particle diameter is also descending, achieve wood shavings (or particle) classification, controller can calculate the screening value for different size sieve aperture according to information such as sieving the weight n terminating material on rear each screen tray, the weight m of wood shavings (or particle) initially recorded, and send display to show.
This wooden shavings and particulate units mass analysis apparatus, the quality to wooden shavings and particle and moisture that can be in good time be monitored, temperature can be utilized to carry out the research of water percentage and bulk density relation to the environment changing wood shavings and particle simultaneously, there is very strong creativeness, simplify the method for existing wood shavings particle test and numerous and diverse operation.In measuring process, without the need to wood shavings and particle being taken out, avoid the impact of external environment condition on wood shavings and granular mass, accurate measurement, easy to operate, automaticity is high.
Claims (5)
1. wooden shavings and particulate units mass-synchrometer, comprise shell, is provided with the vibration source that can vibrate in the enclosure, vibration source is provided with sieve unit; It is characterized in that: described sieve unit comprises supporting seat, be positioned at screen tray, force snesor above supporting seat; Force snesor for detecting screen tray weight is arranged between screen tray and supporting seat; The output of force snesor connects controller, is connected with controller at the display screen of housing exterior; The bottom of screen tray is for having the compass screen surface of sieve aperture, and periphery is baffle plate; Supporting seat bottom is arranged on vibration source by flexible member; There is heating source for drying material in the enclosure.
2. wooden shavings as claimed in claim 1 and particulate units mass-synchrometer, it is characterized in that: further comprising other sieve unit, each sieve unit is arranged above and below, and arranges elasticity original paper between the supporting seat in adjacent two sieve unit; Screen-aperture in the sieve unit of top is greater than the screen-aperture in the sieve unit of below.
3. wooden shavings as claimed in claim 1 and particulate units mass-synchrometer, is characterized in that: described supporting seat comprises spacing ring and is positioned at the spoke bottom spacing ring; Screen tray is positioned at spacing ring inside, has gap between screen tray periphery and spacing ring inwall.
4. wooden shavings as claimed in claim 1 and particulate units mass-synchrometer, is characterized in that: described flexible member is spiral compression spring.
5. wooden shavings as claimed in claim 1 and particulate units mass-synchrometer, it is characterized in that: the temperature sensor for detecting enclosure temperature that it is also connected with controller, controller is connected with the heating control apparatus of heating source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664713.2A CN105181524B (en) | 2015-10-15 | 2015-10-15 | Wooden shavings and particulate units mass-synchrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664713.2A CN105181524B (en) | 2015-10-15 | 2015-10-15 | Wooden shavings and particulate units mass-synchrometer |
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| Publication Number | Publication Date |
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| CN105181524A true CN105181524A (en) | 2015-12-23 |
| CN105181524B CN105181524B (en) | 2018-01-16 |
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2015
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| CN202238639U (en) * | 2011-09-29 | 2012-05-30 | 横店集团东磁股份有限公司 | Combined semi-automatic vibrating screen |
| CN102519824A (en) * | 2011-12-07 | 2012-06-27 | 天津口岸检测分析开发服务有限公司 | Method and device for detecting water content in fluidizable goods |
| CN103776719A (en) * | 2012-10-26 | 2014-05-07 | 南京恒安树脂化学有限公司 | Portable resin moisture tester |
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| Publication number | Publication date |
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| CN105181524B (en) | 2018-01-16 |
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Application publication date: 20151223 Assignee: Qingdao Mumeng Consulting Management Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000389 Denomination of invention: Wood shaving and particle unit quality analyzer Granted publication date: 20180116 License type: Common License Record date: 20181213 Application publication date: 20151223 Assignee: Qingdao Yicheng Adhesive Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000388 Denomination of invention: Wood shaving and particle unit quality analyzer Granted publication date: 20180116 License type: Common License Record date: 20181213 |
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Effective date of registration: 20190530 Address after: 276037 Hongjiadian Village, Nanfang Town, Lanshan District, Linyi City, Shandong Province Patentee after: Shandong Xingang Group Co., Ltd. Address before: No. 159, dragon pan Road, Nanjing, Jiangsu Patentee before: Nanjing Forestry University |