CN103756746B - Preparation method of mobile straw granular fuel - Google Patents
Preparation method of mobile straw granular fuel Download PDFInfo
- Publication number
- CN103756746B CN103756746B CN201410002669.4A CN201410002669A CN103756746B CN 103756746 B CN103756746 B CN 103756746B CN 201410002669 A CN201410002669 A CN 201410002669A CN 103756746 B CN103756746 B CN 103756746B
- Authority
- CN
- China
- Prior art keywords
- dehydration
- mobile
- preparation
- storehouse
- crushing
- Prior art date
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention provides a preparation method of a mobile straw granular fuel. The method comprises the following steps: (1) a step of stacking and primarily dehydrating straws, namely stacking the straws, wherein the single stack is 500-3000 tons, and naturally dehydrating to the water content within 35%; (2) a step of coarsely crushing and secondarily dehydrating, namely crushing the primarily dehydrated straws by a mobile full-suction crusher, conveying the lumpiness to a waterproof and dustproof secondary dehydrating cabin by an air flow, and naturally dehydrating to the water content within 25%, wherein the crushing lumpiness are less than 1 cm; (3) a step of secondarily crushing, namely crushing the secondarily dehydrated raw material by a mobile stationary and fixed cutter combined rotor type crusher, wherein the material discharged is conveyed by the air flow and the granularity of the material is less than 2mm; and (4) a moulding step, namely directly feeding the secondarily crushed raw material to a mobile ring flat die moulding machine to be moulded, wherein the moulding particle size range is 20-30mm, and the bulk specific weight of the finished product is over 1000kg/cubic meters.
Description
[technical field]
The present invention relates to biomass energy applied technical field, or rather, relate to a kind of preparation method of mobile straw particle fuel.
[background technology]
Biomass not only aboundresources, preservable renewable energy source, reduces greenhouse gas emission in addition, increases the fixing effect of soil carbon, be put in national strategy new industry development program as one of new forms of energy.According to Ministry of Agriculture's development in science and technology center enquiry data: can develop biomass energy total amount to the year two thousand twenty China is 5.4 hundred million tons of standard coals, wherein stalk and agricultural machining residuum 1.9 hundred million tons of standard coals, account for 35.2% of total amount, stalk high-efficiency comprehensive utilization be national biomass energy exploitation important component part, so " the collection storaging and transport technology of stalk and equipment " is put into " national energy science and technology " 12 " is planned (2011-2015) ".Biomass resource based on stalk is a kind of energy depot, builds this industry, and will be formed a kind of economical, i.e. " traw economy " or " agricultural-forestry biomass economy ", this is a brand-new field, is the new milestone of in China's agricultural development history one.The development of " agricultural-forestry biomass economy " on the one hand can by current agricultural wastes resource utilization, thus reliable and stable increase income channel for peasant opens one, simultaneously, Biomass Industry development also can provide a large amount of jobs for peasant, and these jobs relate to the links such as collection, transport, processing, sale of stalk.Therefore it will make major contribution for solving agriculture, rural areas and farmers problem.From processing power and economy point, current stalk comprehensive utilization considers that gas-to electricity is optimal path, therefore Electricity Generation by Crop Straws development rapidly, according to the developing goal that national Eleventh Five-Year Plan outline proposes, future will build biomass power generation 5,500,000 kilowatts of installed capacitys." planning of renewable energy source Long-and Medium-term Development " that simultaneously country has announced is also determined to install to the year two thousand twenty biomass power generation the developing goal of 3,000 ten thousand kilowatts.Existing straw power generation device raw material supply wretched insufficiency, the design and operation time is 5500-6000 hour/year, actual run time only 3000-4000 hour/year.The sustainable supply of raw material has become the main limiting factor of this industry development.
Refer to shown in Fig. 1, existing stalk fuel processing process generally includes following steps: stalk field is collected, the little buttress of stalk heap dewaters, stalk transhipment heap piles up neatly greatly the steps such as dehydration, de-stacking, coarse breaking, fine crushing, compression moulding and cooling storage.But existing complete processing existing following defect: (1), for realizing moulding moisture and the requirement of material physical property, stacking, the technique temporary storage time of stalk are long, causing unit production capacity working (finishing) area comparatively large, constraining working ability and the addressing of fuel factory; (2) due to larger secondary material transhipment amount, stalk bulk density is low in addition, about 170 kilograms per cubic meter in bulk, compression bundling about 300 kilograms per cubic meter, thus cause logistics and venue cost higher, constrain the development of technology; (3) due to addressing and logistics reason, factory's module yield is lower, cause fuel factory can ability to accept little, a factory is difficult to realize more than 50,000 tons scale production, and its investment is inversely proportional to output, constrains the development of project.
[summary of the invention]
The technical problem that the present invention solves overcomes the defect that prior art exists, and provides that a kind of production cost is low, the level of resources utilization is high and the preparation method of the mobile straw particle fuel that unit production capacity working (finishing) area is little.
The present invention is achieved by the following technical solutions: a kind of preparation method of mobile straw particle fuel, comprise the steps, (1) straw stacks and primary dewatering step: stalk is carried out stacking, single buttress reserves 500-3000 ton, natural-dehydration to water ratio within 35%; (2) coarse breaking and second dehydration step: portable for the straw utilization after the primary dewatering full crusher that sucks is carried out fragmentation, its breaking size is less than 1 centimetre, and by gas delivery to waterproof, dust-proof second dehydration storehouse, natural-dehydration to water ratio within 25%; (3) secondary breaking step: adopted by the raw material obtained after second dehydration portable dynamic stationary knife to pulverize in conjunction with rotor-type pulverizer, its discharging adopts gas delivery, and its granularity is less than 2 millimeters; (4) forming step: the raw material after secondary breaking is directly sent into Mobile annular flat die forming machine and carries out shaping, shaping particle size range is 20 millimeters ~ 30 millimeters, more than finished product bulk density 1000 kilograms per cubic meter.
Further, in described (2) step, single storehouse is adopted to carry or many storehouses conveying in parallel in feedstock transportation after coarse breaking to second dehydration storehouse with air-flow.
Further, single warehouse in described second dehydration storehouse is long-pending is no more than 120 cubic metres.
Further, in described second dehydration storehouse, bed of material ulking thickness scope is 4 meters ~ 5 meters.
Further, described second dehydration storehouse adopts the building scaffold steel pipe that can realize mobile utilization to build.
Compared with prior art, the present invention achieves the original position processing of stalk on the one hand by the pattern of transhipment processing units, significantly reduce cost of wheeling, on the other hand, because the seasonality of straw collecting is strong, by rational flow arrangement, can realize " a set of equipment, the general layout of the multiple raw material point of radiation ", reduce equipment vacancy rate, reduce cost of investment, improve the efficiency of the utilization of resources; Simultaneously by making full use of " in body, free-water evaporation is by the time; the evaporation of Cell binding water is by the characteristic of specific surface area " of stalk dehydration, two kinds of forms of dewatering after devising stacking dehydration and fragmentation accelerate moisture evaporation, improve dewatering efficiency, reduce floor space, the working (finishing) area of unit production capacity obtains effective reduction.In addition, in the present invention, second dehydration storehouse adopts the building scaffold steel pipe that can realize mobile utilization to build, and also improves the utilization ratio of resource.
[accompanying drawing explanation]
Fig. 1 is stalk fuel processing process figure in prior art.
Fig. 2 is schematic flow sheet of the present invention.
[embodiment]
Refer to shown in Fig. 2, the preparation method of a kind of mobile straw particle fuel of the present invention comprises (1) straw stacks and primary dewatering step, (2) coarse breaking and second dehydration step, (3) secondary breaking step, (4) forming step and (5) cooling storing step.
(1) straw stacks and primary dewatering step
In this step, stalk is carried out stacking, single buttress reserves 500-3000 ton, natural-dehydration to water ratio within 35%; The present invention to adapt to based on most economical logistics and cost conditions, does not emphasize field airing and the large buttress of heap to straw collecting; Relatively little stacking amount can accelerate the interior free evaporation of water of stalk body, is adapted to various moisture stalk and receives, and piles logistics cost and the land seizure of large buttress after reducing the little buttress dehydration of heap again.
(2) coarse breaking and second dehydration step
In this step, portable for the straw utilization after primary dewatering in (1) the full crusher that sucks is carried out fragmentation, and its breaking size is less than 1 centimetre, and by gas delivery to waterproof, dust-proof second dehydration storehouse, natural-dehydration to water ratio within 25%; Single storehouse can be adopted to carry the feedstock transportation after coarse breaking to second dehydration storehouse with air-flow, also can adopt many storehouses conveying in parallel; Preferably, in described second dehydration storehouse, bed of material ulking thickness scope is 4 meters ~ 5 meters; Preferably, single warehouse in described second dehydration storehouse is long-pending is no more than 120 cubic metres; Preferably, described second dehydration storehouse adopts the building scaffold steel pipe that can realize mobile utilization to build; After coarse breaking, it is 100% that stalk breaks joint rate, and breaking size is less than 1 centimetre, have great evaporation area, its specific surface area is more than 100 times of original stalk, owing to adopting air conveying accumulation, voidage is high, and after stacking, its moisture can reach less than 25%, and dewatering time reduces more than 50%.
(3) secondary breaking step
In this step, adopted by the raw material obtained after second dehydration in (2) portable dynamic stationary knife to pulverize in conjunction with rotor-type pulverizer, its discharging adopts gas delivery, and its granularity is less than 2 millimeters.
(4) forming step
In this step, the raw material in (3) after secondary breaking is directly sent into Mobile annular flat die forming machine and carries out shaping, shaping particle size range is 20 millimeters ~ 30 millimeters, more than finished product bulk density 1000 kilograms per cubic meter.
(5) storing step is cooled
In this step, the granular fuel after shaping in (4) is carried out cooling and storing.
More than describe and be only embodiments of the invention, forgive and can understand, under the prerequisite not departing from the present invention's design, all should be included within technical conceive of the present invention simple modification of the present invention and replacement.
Claims (5)
1. a preparation method for mobile straw particle fuel, is characterized in that, comprises the steps:
(1) straw stacks and primary dewatering step
Stalk is carried out stacking, single buttress reserves 500-3000 ton, natural-dehydration to water ratio within 35%;
(2) coarse breaking and second dehydration step
Portable complete for straw utilization after the primary dewatering crusher that sucks is carried out fragmentation, and its breaking size is less than 1 centimetre, and by gas delivery to waterproof, dust-proof second dehydration storehouse, natural-dehydration to water ratio within 25%;
(3) secondary breaking step
Adopted by the raw material obtained after second dehydration portable dynamic stationary knife to pulverize in conjunction with rotor-type pulverizer, its discharging adopts gas delivery, and its granularity is less than 2 millimeters;
(4) forming step
Raw material after secondary breaking is directly sent into Mobile annular flat die forming machine to carry out shaping, and shaping particle size range is 20 millimeters ~ 30 millimeters, more than finished product bulk density 1000 kilograms per cubic meter.
2. the preparation method of mobile straw particle fuel as claimed in claim 1, is characterized in that: in described (2) step, adopts single storehouse to carry or many storehouses conveying in parallel in feedstock transportation after coarse breaking to second dehydration storehouse with air-flow.
3. the preparation method of mobile straw particle fuel as claimed in claim 1, is characterized in that: single warehouse in described second dehydration storehouse is long-pending is no more than 120 cubic metres.
4. the preparation method of mobile straw particle fuel as claimed in claim 1, is characterized in that: in described second dehydration storehouse, bed of material ulking thickness scope is 4 meters ~ 5 meters.
5. the preparation method of mobile straw particle fuel as claimed in claim 1, is characterized in that: described second dehydration storehouse adopts the building scaffold steel pipe that can realize mobile utilization to build.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002669.4A CN103756746B (en) | 2014-01-03 | 2014-01-03 | Preparation method of mobile straw granular fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002669.4A CN103756746B (en) | 2014-01-03 | 2014-01-03 | Preparation method of mobile straw granular fuel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103756746A CN103756746A (en) | 2014-04-30 |
| CN103756746B true CN103756746B (en) | 2015-07-08 |
Family
ID=50524076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410002669.4A Expired - Fee Related CN103756746B (en) | 2014-01-03 | 2014-01-03 | Preparation method of mobile straw granular fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103756746B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449931A (en) * | 2014-10-10 | 2015-03-25 | 苏州新协力环保科技有限公司 | Preparation method of biomass fuel |
| CN108531395A (en) * | 2018-07-11 | 2018-09-14 | 上海环境工程设计研究院有限公司 | A kind of small-sized livestock and poultry feces processing integrated apparatus |
| CN108676712A (en) * | 2018-08-07 | 2018-10-19 | 上海环境工程设计研究院有限公司 | A kind of anaerobic fermentation gas stirring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550373B (en) * | 2009-05-13 | 2010-10-20 | 黑龙江华瑞生物能源技术有限公司 | Method for preparing biomass massive industrial fuel |
-
2014
- 2014-01-03 CN CN201410002669.4A patent/CN103756746B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103756746A (en) | 2014-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103121859B (en) | A kind of Kitchen waste on-site treatment method | |
| Sokhansanj et al. | Techno-economic analysis of using corn stover to supply heat and power to a corn ethanol plant–Part 1: Cost of feedstock supply logistics | |
| Kabir et al. | Comparison of the energy and environmental performances of nine biomass/coal co-firing pathways | |
| CN103756746B (en) | Preparation method of mobile straw granular fuel | |
| CN203370619U (en) | Smashing dehydration lifting device of raw organic refuse integration disposing machine | |
| CN104338595A (en) | Smashing/dehydrating/lifting device of raw organic refuse integrated processor | |
| US20150088582A1 (en) | Sustainability campus of co-located facilities | |
| CN203750976U (en) | Processing system for comprehensively utilizing urban garbage | |
| CN202575424U (en) | Pneumatic conveyor in novel pulverizing system | |
| CN102986382A (en) | Two-way high-density reed baler and feeding baling method thereof | |
| CN204281704U (en) | A kind of stalk briquette forming production line device | |
| CN207054161U (en) | A kind of stalk crushes briquetting all-in-one | |
| CN203295433U (en) | Vehicle-mounted straw processing system | |
| CN204396137U (en) | A kind of continous way stalk briquette process units | |
| CN104872385A (en) | Method and device for treating waste vegetable leaves | |
| CN204620624U (en) | A kind of refuse disposal installation | |
| CN203027772U (en) | Forestry and agricultural residue grinder | |
| CN102344843A (en) | Crop straw briquettes fuel production line | |
| CN104437733A (en) | Bark crusher | |
| CN105546568B (en) | A kind of raw material conveying device for straw burning | |
| CN201695013U (en) | Special mobile crushing and granulating vehicle | |
| CN203890246U (en) | Wet domestic garbage compost treatment device | |
| CN207219464U (en) | A kind of biogas gas reducing mechanism | |
| CN202744341U (en) | White carbon black production equipment | |
| CN202576183U (en) | Three-dimensional multilayer device for treating livestock and poultry excrement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160103 |
|
| EXPY | Termination of patent right or utility model |