CN201702000U - Crushing system of biomass wastes - Google Patents

Crushing system of biomass wastes Download PDF

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Publication number
CN201702000U
CN201702000U CN2010202203900U CN201020220390U CN201702000U CN 201702000 U CN201702000 U CN 201702000U CN 2010202203900 U CN2010202203900 U CN 2010202203900U CN 201020220390 U CN201020220390 U CN 201020220390U CN 201702000 U CN201702000 U CN 201702000U
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CN
China
Prior art keywords
crushing
separator
conveyer
separation
weight
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010202203900U
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Chinese (zh)
Inventor
常厚春
李祖芹
马革
张衍胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Devotion Thermal Technology Co Ltd
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Guangzhou Devotion Thermal Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN2010202203900U priority Critical patent/CN201702000U/en
Application granted granted Critical
Publication of CN201702000U publication Critical patent/CN201702000U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a crushing system of biomass wastes, especially wastes in agriculture and forestry. The crushing system comprises a feeding device, a volume separation device, a first conveying device, a weight separation device, a second conveying device, a scrap iron separation device and a crushing device, wherein the feeding device is provided with a feed port and a discharge port; the volume separation device is positioned in the feeding device and is used for separating impurities with large volume; the first conveying device is positioned at the position of the discharge port of the feeding device; a feed port of the weight separation device is positioned above the first conveying device, and the weight separation device is used for separating impurities with large weight on the first conveying device; the second conveying device is positioned at the position of a discharge port of the weight separation device; the scrap iron separation device is positioned in the second conveying device and is used for separating the impurities of scrap iron; and the crushing device is positioned below the second conveying device. Because the separation devices in the utility model comprise the volume separation device, the weight separation device and the scrap iron separation device, the successive lines of defense are set up to the impurities, the impurities are sieved layer by layer, the condition that ironstone with severe destruction to the crushing device enters the crushing device is avoided, and the wear rate of equipment is lowered.

Description

A kind of biomass castoff crushing system
Technical field
The utility model relates to a kind of treatment system of biomass castoff, and more particularly, the utility model relates to the particularly crushing system of agriculture and forestry organic waste material (as wood chip etc.) of a kind of biomass castoff.
Background technology
China is the barren country of forest timber resource.The area of China accounts for 7% of world land area, and area of woods only accounts for 4% of world's area of woods; The population of China accounts for more than 20% of the world, and timber reserves only accounts for 3% of world's timber reserves; The afforestation rate of official statistics is 13.92%, is below half of whole world afforestation rate 30%, occupies about the 100th in the world; 1.2 hundred million hectares of area of woods, 0.1 hectare per capita is world's area of woods 1 per capita.07 hectare 1/10.In addition, the forest land utilization rate is low, and 2.67 hundred million hectares of the gross areas have the woods area only to account for 43%, and developed country are 80% even 90%.The forest reserves of China is 95 billion cubic meters (the ripe overmature forest accumulation that wherein can fell is 14~15 billion cubic meters only), 9 cubic metres per capita, be the world per capita 83 cubic metres of forest reserves 1/9, approximately rank after the 120th in the world.And the consumption of the forest reserves also quickening, and the eighties consumes accumulation 3.44 billion cubic meters every year, increases by 75% than average annual 1.96 billion cubic meters of early seventies; The children, grow into forest out of proportionly, Timber stands is especially serious; In the Timber stands, in, young growth area proportion increasing, and becomes, overmature forest area proportion reducing, children, the area that grows into forest are than becoming 82: 18 by 73: 27 of past; One-tenth, overmature forest accumulation have been on the brink of exhaustion; The forest land productivity is low, also in remarkable decline.Severe situation forces us, must recycle timber.
Chinese patent CN96102864.5 discloses a kind of method of utilizing waste wood material preparation wood shavings.Its scheme mainly is: waste wood is under the overhanging plate of the center roller of high speed rotating drives, strike on the stator inclusion body inwall in stretch plate, and pulverized disconnection at the inside and outside gap location of stretching between the plate, so constantly clash into and be ground into the chips of similar shaving shape altogether and physical dimension.Simultaneously, along with the metalwork and the firmware cement of waste wood are also thrown off with chips.Thereby waste wood is fully used, and production efficiency height, the byproducts such as metalwork that also can obtain to separate simultaneously.Yet this device only is the timber that the wood powder of bulk is broken into fritter, and the stud after will not pulverizing is further handled.
The common way of recycling of waste wood is to utilize the timber discarded object to make plate or New-type fuel.No matter make plate or New-type fuel, all will pulverize, it is become graininess the timber discarded object.Chinese patent application CN2007100562649 discloses a kind of general wood substance grain processing technique, it adopts forest harvesting or fosters residue, wood-curing waste is as raw material, be processed into wooden chipping, be ground into wood chip, wood chip after pulverizing is sieved, the wood chip that granularity is qualified enters next procedure, granularity is defective to be pulverized again, utilize the heat that produces in the forming process that contained humidity is vaporized to soften powder, again under the extruding force effect, make powder be compressed into particle, particle temperature after the moulding is higher, contain a small amount of particle, must cool off and sieve, the particle that screening is come out returns the pelletizing forming operation, and finished particle then enters last packaging process.The specific yield energy consumption of the more original technology of this technology obviously descends, and gross investment also has bigger reduction.Yet it does not provide the corresponding techniques scheme for the screening and the pulverizing of waste wood.
Usually contain foreign material such as a large amount of iron nails, brick, stone, glass, woven bag in the timber discarded object, can damage blade, hammer leaf, the screen cloth of pulverizer during pulverizing, improve the wear rate of associated components, can cause pulverizer to use when serious.Chinese patent CN96105922 discloses a kind of equipment of removing impurity from pulverizing or chipped material, material to be screened is added on the drum apparatus of being made up of many adjacent and substantially parallel cylinders, the roller pitch of this device initial part is less, spacing subsequently is bigger, by roller shifting, the tiny impurity particle that proportion is bigger is close to cylinder surface and is moved down, and misses from the gap of cylinder.The advantage of this equipment is to remove tiny impurity particle, and is for bulky impurity such as iron nail, stone, then powerless.
Summary of the invention
The purpose of this utility model provides particularly agriculture and forestry organic waste material crushing system of a kind of biomass castoff that can remove impurity comprehensively and pulverize.
To achieve these goals, the utility model provides following technical scheme:
A kind of biomass castoff crushing system, it comprises:
Feed arrangement, this feed arrangement has charging aperture and discharging opening, for example cast hopper;
Be positioned within the feed arrangement, be used for volume separator that large volume impurity is separated;
Be positioned at first conveyer at feed arrangement discharging opening place;
Charging aperture is positioned on first conveyer, be used for weight separator that big weight impurity on first conveyer is separated;
Be positioned at second conveyer at weight separator discharging opening place;
Be positioned at second conveyer, be used for iron filings separator the separation of iron filings impurity;
Be positioned at the reducing mechanism of second conveyer below, for example pulverizer.
In the agriculture and forestry organic waste material crushing system of the present utility model, the volume separator specifically can be grid and is connected in the vibrating motor of grid, and the two constitutes vibratory sieve, can the bigger impurity of separated volume, and can make agriculture and forestry organic waste material pass through grid fully by vibration again.
In the agriculture and forestry organic waste material crushing system of the present utility model, the weight separator specifically comprises pneumatic separation device and settler.
Wherein, pneumatic separation device can be air exhauster and is connected in the air delivery pipe of air exhauster, and agriculture and forestry organic waste material that weight is less or wood shavings are drawn into air delivery pipe by air exhauster and wait until further processing, and impurity that weight is bigger such as stone, iron nail then stay.
Above-mentioned settler specifically can be whirlwind separator, because the centrifugal force that swirling eddy produces and the gravity of agriculture and forestry organic waste material self, agriculture and forestry organic waste material is discharged from the following outlet of whirlwind separator.
In the agriculture and forestry organic waste material crushing system of the present utility model, first conveyer specifically can be belt conveyor.
In the agriculture and forestry organic waste material crushing system of the present utility model, second conveyer specifically also can be belt conveyor.
Because the amount of coming out to be added to the material on first and second conveyers from feed arrangement is indefinite, may much also may be seldom, in order to control the speed that belt transmits, above-mentioned belt conveyor can be the belt conveyor of frequency conversion.
In the agriculture and forestry organic waste material crushing system of the present utility model, the iron filings separator specifically can be magnet or magnetic separator, for example on the belt pulley of belt conveyor electromagnet is set, and makes iron filings because of magnet absorption and falls into the position different with agriculture and forestry organic waste material.
Because produce a large amount of dusts when reducing mechanism and air exhauster work, in order to remove the dust of generation, agriculture and forestry organic waste material crushing system of the present utility model comprises that also at least one is connected in the dust arrester of reducing mechanism or weight separator.
Above-mentioned dust arrester is preferably pulse dust collector.
In addition, after agriculture and forestry organic waste material is separated from settler, can place earlier in an apparatus for temporary storage such as the buffering bucket, can be equipped with material level sensing device such as level-sensing device in the apparatus for temporary storage, the transfer rate of signal controlling first conveyer that system sends by the material level sensing device, second conveying device is that frequency conversion is carried, and can control the charging rate that enters pulverizer automatically according to the pulverizer size of current.
The reducing mechanism place can be equipped with an air exhauster, for example is positioned at the position of reducing mechanism outlet, and agriculture and forestry organic waste material is drawn into the inlet of reducing mechanism, and this air exhauster can link to each other with dust arrester.
Compared with prior art, the utlity model has following beneficial effect:
At first, because agriculture and forestry organic waste material and separate impurities device comprise volume separator, weight separator, iron filings separator again in the utility model, impurity is set up defenses in depth, screening layer by layer, avoided that reducing mechanism is destroyed serious iron-stone and entered reducing mechanism, reduced the wear rate of equipment.
Secondly,, reduced the dust generation, reduced environmental pollution, realized cleaner production owing to be provided with dust arrester at the position that is easy to generate dust.
Below in conjunction with the drawings and specific embodiments; further specify the utility model; but the utility model is not limited to these embodiment, any on the utility model essence spirit improvement or substitute, still belong to scope required for protection in the utility model claims.
Description of drawings
Fig. 1 is the structural representation of the utility model agriculture and forestry organic waste material crushing system specific embodiment.
The specific embodiment
As shown in Figure 1, the specific embodiment of the utility model agriculture and forestry organic waste material crushing system comprises feed arrangement such as the feed hopper 101 that is used to drop into agriculture and forestry organic waste material, and feed arrangement such as feed hopper 101 are built-in with the vibrating motor that is used for volume separator such as the grid that large volume impurity such as woven bag are separated and is connected in grid.Side at feed arrangement such as feed hopper is equipped with cleaning door, is used in time handling the impurity on volume separator such as the grid.
Feed arrangement such as feed hopper 101 belows are equipped with the belt conveyor 102 of conveyer such as frequency conversion.Be equipped with the weight separator above the belt conveyor 102 of conveyer such as frequency conversion, the weight separator comprises pneumatic separation device such as air exhauster 103 and is connected in air delivery pipe 116 and the settler such as the whirlwind separator 106 of air exhauster 103.Below the front end of the belt conveyor 102 of frequency conversion, be equipped with weight gathering-device 114.
Air delivery pipe 116 is divided into three sections, the opening of its leading portion is near belt conveyor 102, be used to aspirate the agriculture and forestry organic waste material on the belt conveyor 102, its stage casing connects settler such as whirlwind separator 106 and dust arrester such as pulse dust collector 104, and its back segment connects dust arrester such as pulse dust collector 104 and air exhauster 103.
Be respectively equipped with Blowing stopper 105 and Blowing stopper 107 in the bottom of pulse dust collector 104 and whirlwind separator 106, enter from the bottom of pulse dust collector 104 and whirlwind separator 106, influence the effect that dedusting and agriculture and forestry organic waste material separate to avoid air-flow.
The below of settler such as whirlwind separator 106 is equipped with apparatus for temporary storage such as buffering bucket 108, apparatus for temporary storage such as buffering bucket 108 belows are equipped with the belt conveyor 115 of conveyer such as frequency conversion, are equipped with reducing mechanism such as pulverizer 110 below the front end of the belt conveyor 102 of frequency conversion.
In addition, apparatus for temporary storage such as buffering bucket 108 are built-in with material level sensing device such as level-sensing device, the signal that system can spread out of according to level-sensing device is the transfer rate of (certainly also can manually) belt conveyor 102 of control frequency conversion and the belt conveyor 115 of frequency conversion automatically, guarantees to be sent to reducing mechanism such as pulverizer 110 interior agriculture and forestry organic waste materials can be not too much or very few as far as possible.
For enter reducing mechanism such as pulverizer 110 at agriculture and forestry organic waste material before, the residual iron filings of possibility are screened out for the last time, belt conveyor 115 front ends are equipped with the belt pulley 109 of magnet, magnetic separator or its front end and make for magnet, agriculture and forestry organic waste material enters reducing mechanism such as pulverizer 110 smoothly like this, and because the attraction of magnet, iron filings are fallen in the scrap collection system on reducing mechanism such as pulverizer 110 next doors.
The bottom of reducing mechanism such as pulverizer 110 be equipped be used for the wood powder that obtains after the splendid attire agriculture and forestry organic waste material is pulverized the agriculture and forestry organic waste material gathering-device as closing wind strand cage 113.
In order to quicken the circulation of agriculture and forestry organic waste material in reducing mechanism such as pulverizer 110, the agriculture and forestry organic waste material gathering-device connects an air exhauster 111 as closing wind strand cage 113, produce a large amount of dusts during simultaneously for fear of air exhauster 111 work, air exhauster 111 connects a dust arrester such as pulse dust collector 112.
The course of work of the specific embodiment of the utility model agriculture and forestry organic waste material crushing system is as follows:
Agriculture and forestry organic waste material is knocked down in feed arrangement such as the feed hopper 101, and large volume impurity such as woven bag are placed in volume separator such as the grid in feed arrangement such as the feed hopper 101 and are connected in the vibrating motor separation of grid.
Through agriculture and forestry organic waste material such as wood shavings and the less stone of volume after volume separator such as the grid separation, iron nail, impurity such as glass, fall together on the belt of belt conveyor 102 of the conveyer that is positioned at feed arrangement such as feed hopper 101 belows such as frequency conversion, in process along with the belt operation, agriculture and forestry organic waste material that weight is less such as wood shavings will be extracted in settler such as the whirlwind separator 106 by air delivery pipe 116 by weight separator such as air exhauster 103, the stone that weight is bigger, iron nail, impurity such as glass then move on belt conveyor 102, fall at last in the weight gathering-device 114.
Enter in settler such as the whirlwind separator 106 is agriculture and forestry organic waste material and Air mixing body, because the centrifugal force that swirling eddy produces and the gravity of agriculture and forestry organic waste material self, agriculture and forestry organic waste material is discharged from the following outlet of whirlwind separator 106, and air then carries dust and enters in dust arrester such as the pulse dust collector 104.After carrying out dust removal process by dust arrester such as pulse dust collector 104, air exhauster 103 is discharged the air of cleaning, to avoid environmental pollution, guarantees cleaner production.
Agriculture and forestry organic waste material enters in apparatus for temporary storage such as the buffering bucket 108 after settler such as whirlwind separator 106 discharges, falls subsequently on the conveyer such as belt conveyor 115 that is positioned at apparatus for temporary storage such as buffering bucket 108 belows.Because belt conveyor 115 front ends are equipped with magnet, residual iron filings are fallen in the scrap collection system on reducing mechanism such as pulverizer 110 next doors in the agriculture and forestry organic waste material, and agriculture and forestry organic waste material enters reducing mechanism such as pulverizer 110 smoothly.
Agriculture and forestry organic waste material is fallen into the agriculture and forestry organic waste material gathering-device that is arranged in reducing mechanism such as pulverizer 110 bottoms and twists cage 113 as closing wind by the wood powder that obtains after pulverizing.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. biomass castoff crushing system, it comprises:
Feed arrangement, described feed arrangement has charging aperture and discharging opening;
Be positioned within the described feed arrangement, be used for volume separator that large volume impurity is separated;
Be positioned at first conveyer at described feed arrangement discharging opening place;
Charging aperture is positioned on described first conveyer, be used for weight separator that big weight impurity on described first conveyer is separated;
Be positioned at second conveyer at described weight separator discharging opening place;
Be positioned at described second conveyer, be used for iron filings separator the separation of iron filings impurity;
Be positioned at the reducing mechanism of described second conveyer below.
2. biomass castoff crushing system as claimed in claim 1 is characterized in that, described volume separator comprises grid and is connected in the vibrating motor of described grid.
3. biomass castoff crushing system as claimed in claim 1 is characterized in that, described weight separator comprises pneumatic separation device and settler.
4. biomass castoff crushing system as claimed in claim 3 is characterized in that, described pneumatic separation device comprises air exhauster and is connected in the air delivery pipe of described air exhauster.
5. biomass castoff crushing system as claimed in claim 3 is characterized in that, described settler is a cyclone separator.
6. biomass castoff crushing system as claimed in claim 1 is characterized in that, described first conveyer is a belt conveyor.
7. biomass castoff crushing system as claimed in claim 1 is characterized in that, described second conveyer is the frequency conversion belt conveyor.
8. biomass castoff crushing system as claimed in claim 1 is characterized in that, described iron filings separator is magnet or magnetic separator.
9. biomass castoff crushing system as claimed in claim 1 is characterized in that, comprises that also at least one is connected in the dust arrester of described reducing mechanism or described weight separator.
10. biomass castoff crushing system as claimed in claim 9 is characterized in that, described dust arrester is a pulse dust collector.
CN2010202203900U 2010-06-09 2010-06-09 Crushing system of biomass wastes Expired - Fee Related CN201702000U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954306A (en) * 2010-06-09 2011-01-26 广州迪森热能技术股份有限公司 Biomass waste crushing system
CN102357376A (en) * 2011-07-07 2012-02-22 广州迪森热能技术股份有限公司 High-grease biomass fuel crusher and crushing system thereof
CN103506205A (en) * 2013-09-30 2014-01-15 丹阳市正大油脂有限公司 Pulverizer impeller feeder
CN106622592A (en) * 2016-10-25 2017-05-10 苏州美生环保科技有限公司 Forestry and agricultural residue smashing and collecting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954306A (en) * 2010-06-09 2011-01-26 广州迪森热能技术股份有限公司 Biomass waste crushing system
CN101954306B (en) * 2010-06-09 2012-07-04 广州迪森热能技术股份有限公司 Biomass waste crushing system
CN102357376A (en) * 2011-07-07 2012-02-22 广州迪森热能技术股份有限公司 High-grease biomass fuel crusher and crushing system thereof
CN103506205A (en) * 2013-09-30 2014-01-15 丹阳市正大油脂有限公司 Pulverizer impeller feeder
CN106622592A (en) * 2016-10-25 2017-05-10 苏州美生环保科技有限公司 Forestry and agricultural residue smashing and collecting device

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110112

Termination date: 20140609