CN102580596A - Pretreatment device for multi-element material - Google Patents
Pretreatment device for multi-element material Download PDFInfo
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- CN102580596A CN102580596A CN2012100087824A CN201210008782A CN102580596A CN 102580596 A CN102580596 A CN 102580596A CN 2012100087824 A CN2012100087824 A CN 2012100087824A CN 201210008782 A CN201210008782 A CN 201210008782A CN 102580596 A CN102580596 A CN 102580596A
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Abstract
The invention provides a pretreatment device for multi-element material, wherein the device can be used for treating multi-element material by a variable-pitch double helix structure, so that the grains of the material are kept less than 20mm, the material mixing effect is good, the source of raw material is expanded, and the hazard-free treatment quantity of organic waste is extremely improved; furthermore, the device has the integrated functions of cutting, smashing and mixing, so that the power is greatly reduced, the speed is controlled to be less than 300rpm, and the device is small in vibration and noise; a nutrition preparation device comprises a material nutrition preparation storeroom, according to the viscosity situation reflected by the type of the raw material and the probe head of a sensor, the added waste water and nutrient can be ensured from the material nutrition preparation storeroom, and the raw material can be adjusted, so that the material is balanced in nutrition, and the gas generation rate and the stability can be improved; and the cost of the pretreatment device is only 1/6 of that of the similar pretreatment device, so that the cost is greatly saved.
Description
Technical field
The present invention relates to biomass energy device technique field, particularly a kind of polynary material pretreatment unit.
Background technology
Biological flue gas is accounting for important role in people's life and commercial production, combustion gas is the general name of gaseous fuel, and it can burn and discharge heat, supplies resident and industrial enterprise to use.Part of fuel gas can utilize the artificial manufacturing of fermenting raw materials, for example uses agricultural crop straw or feces of livestock and poultry, but no matter is agricultural crop straw class or feces of livestock and poultry, before preparing gas, all will carry out preliminary treatment, and this just relates to the pretreatment of raw material device.
For now, because the physicochemical property of different material is different, the pretreatment mode difference is also bigger, and to feces of livestock and poultry, the general allotment stirring pool that adopts combines with pump; To the agricultural crop straw class, take side grass machine, beater grinder, stirring pool to combine with pump.These two kinds of raw materials are the pretreatment unit of oriented correspondence all; But the pretreatment unit that these two kinds of materials are corresponding all has the defective that can't remedy; Agricultural crop straw class pretreatment of raw material device can only carry out preliminary treatment to stalk, and feces of livestock and poultry pretreatment of raw material device also is same reason, and this has just had very big restriction to the preparation of biological flue gas; Same biological fuel gas engineering can only be invested the different pretreatment system of several covers, perhaps can't use polynary material.In addition; All produce a large amount of house refuses every day in our life; Its total amount is the amount of feces of livestock and poultry and agricultural crop straw head and shoulders above, but with regard to the fragmentation of current techniques to house refuse, other processing of farm products discarded objects, the application in biogas engineering also almost is blank.This makes the annual a large amount of organic wastes that produce of China to be utilized effectively, and is innoxious lower with the resource rate, and the seasonal shortage of raw material, fluctuation of service appear in the biological fuel gas engineering.
And agricultural crop straw class pretreatment equipment; Comprise hay cutter, beater grinder etc., these devices are open high-speed impact structure, and speed is generally more than 3000rpm during work; Power consumption is big; The noise on-site measurement that vibration causes surpasses 85dBa, and the material after the pulverizing disperses, and dust pollution is serious.Country's Eleventh Five-Year Plan science and technology support plan encourages the related scientific research institutes to carry out correlation technique research, but lacks effectively progress and application achievements at present.
Need monitor pH value in the zymotechnique during preparation biological flue gas, generally control through regulating dry substance concentration and inlet amount.Because the sweat hysteresis quality, the fermentation reactor volume is far longer than inlet amount simultaneously, through this back regulative mode, often causes the sweat fluctuation big, and microbe groups and quantity also can't be grasped, and gas producing efficiency is low and unstable.
Therefore; A kind of polynary material pretreatment unit is provided; Realization can be carried out preliminary treatment to plurality of raw materials simultaneously, and carries out the raw material nutrition deployment, improves the adaptability of biological fuel gas engineering to raw material to reach; Improve fermentation gas rate and stability simultaneously, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
The invention provides a kind of polynary material pretreatment unit, realized and to have carried out preliminary treatment to plurality of raw materials simultaneously, and raw material is carried out nutrition deployment, improve the adaptability of biological fuel gas engineering, improved fermentation gas rate and stability simultaneously raw material to reach.
Polynary material pretreatment unit provided by the invention comprises:
Underframe;
Be installed on the spiral casing of said underframe one end; At said spiral box house two left screw rod and right screw rods that are in same horizontal plane are installed; Be equipped with the blade of varying pitch on said left screw rod and the right screw rod, and the blade cross arrangement on said left screw rod and the right screw rod; The top of said spiral casing one end is provided with feed hopper, below the other end, is provided with discharge bucket; The both sides of said spiral casing are respectively equipped with nutriment import and sewage import;
Be installed on the said underframe other end, be used to drive said left screw rod and right screw rod power set in relative rotation;
Be installed in the said spiral casing, be used to survey the sensor probe of material proportion concentration in the said spiral casing;
The nutrition inking device; Said nutrition inking device is provided with the nutrient formulation database, and an end of said nutrition inking device links to each other with said sensor probe, is used to receive the detected parameter of said sensor probe; Said parameter is used for indicating material to contain the content of activation of microorganism sewage; The other end links to each other with said sewage import through the activated sewage pump, when in said parameter indication material, lacking activated sewage, starts said activated sewage pump.
Preferably, in above-mentioned polynary material pretreatment unit, said left screw rod and right screw rod respectively through bearings on said underframe, and the end of said left screw rod and right screw rod is separately installed with gear, two said gears are meshed;
Said power set are motor, and said motor links to each other with said left screw rod or right screw rod through shaft coupling.
Preferably, in above-mentioned polynary material pretreatment unit, the pitch of said left screw rod and right screw rod blade is for to reduce to said discharge bucket one extreme direction from said feed hopper one end gradually.
Preferably, in above-mentioned polynary material pretreatment unit, the cross section of said blade is a pyramidal structure.
Preferably, in above-mentioned polynary material pretreatment unit, the bottom of said feed hopper is provided with eccentric movable screen.
Preferably, in above-mentioned polynary material pretreatment unit, be respectively equipped with first connecting plate and second connecting plate at the two ends of said spiral casing; Said left screw rod and right screw rod are not provided with an end of gear, are respectively arranged with gland seal system.
Preferably, in above-mentioned polynary material pretreatment unit, comprise transport, said transport is installed on the below of said discharge bucket.
Polynary material pretreatment unit provided by the invention adopts the displacement double-spiral structure, can handle polynary material; Material particles is kept below the 20mm; Mixing of materials is respond well, has expanded the source of raw material simultaneously, has greatly improved the harmless treatment amount of debirs; In addition, the cutting of this device, pulverizing and conglomerate integration, power reduces greatly, and speed controlling is below 300rpm, vibrate little, noise is little; Inclusion material nutrient repository in the nutrition inking device; According to the viscosity situation of raw material type and sensor probe reflection, can from material nutrition repository, confirm sewage and the nutrients added, raw material is regulated; Make material balanced in nutrition, improve factor of created gase and stability; And the cost of this device is merely the sixth of similar pretreatment unit, has practiced thrift cost greatly.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The vertical view of the polynary material pretreatment unit that Fig. 1 provides for the embodiment of the invention;
The front view of the polynary material pretreatment unit that Fig. 2 provides for the embodiment of the invention;
The cutaway view A-A of the polynary material pretreatment unit that Fig. 3 provides for the embodiment of the invention.
The specific embodiment
The invention provides a kind of polynary material pretreatment unit, realized simultaneously plurality of raw materials being carried out preliminary treatment, and raw material is carried out nutrition deployment, improve the adaptability of biological fuel gas engineering, improved fermentation gas rate and stability simultaneously raw material to reach.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, complete description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the vertical view of the polynary material pretreatment unit that Fig. 1 provides for the embodiment of the invention; The front view of the polynary material pretreatment unit that Fig. 2 provides for the embodiment of the invention; The cutaway view A-A of the polynary material pretreatment unit that Fig. 3 provides for the embodiment of the invention.
Polynary material pretreatment unit provided by the invention comprises: underframe 15, power set 1, spiral casing, sensor probe 16 and nutrition inking device 8.
Wherein power set 1 and spiral casing are installed in the two ends of underframe 15 respectively; Two left screw rods 4 and right screw rod 5 that are in same horizontal plane are installed in the spiral casing; On screw rod and right screw rod 5, be equipped with the blade of varying pitch; Blade cross arrangement on left side screw rod 4 and the right screw rod 5; The top of the spiral casing outside one end is provided with feed hopper 9, below the other end, be provided with discharge bucket 14, and spiral casing both sides external face is respectively equipped with nutriment import 3 and sewage import 10.
Sensor probe 16 is installed on spiral box house bottom, is used to survey material proportion concentration in the said spiral casing; Sensor probe 16 links to each other with the nutrition inking device 8 of outside; Be used for the receiving sensor 16 detected parameters of popping one's head in; The other end of nutrition inking device 8 links to each other with the sewage import 10 of spiral casing through the activated sewage pump; Needing in this parameter indication to be used for the activated sewage or the microorganism fungus kind of interpolation, when the material in the spiral casing lacked activated sewage, the corresponding said activated sewage pump of startup was carried activated sewage in the spiral casing; When the material in the spiral casing lacks microorganism, directly carry the desired microorganisms bacterial classification, guarantee that material is in nutrient balance by said nutriment import 3.
Polynary material pretreatment unit of the present invention is when operation; Start earlier power set 1, the speed that makes left screw rod 4 and right screw rod 5 in the spiral casing remain on 300rpm is rotated, and for example stalk, fowl and animal excrement and house refuse etc. are sent in the spiral casing by feed hopper 9 with various materials again; Through the left screw rod 4 of design uniqueness and the dissection of right screw rod 5 blades; Final polynary material is cut into length below 20mm, and in this process, the sensor probe 16 that is installed in the spiral casing is sent to nutrition inking device 8 with the parameter of detected polynary material; Nutrition inking device 8 is through the nutrient data base of self; Analyze active activated sewage or microorganism fungus kind that polynary material lacks, when material lacked activated sewage, the corresponding said activated sewage pump of startup was carried activated sewage in the spiral casing; When material lacks microorganism, directly carry the desired microorganisms bacterial classification by said nutriment import 3, guarantee that material is in nutrient balance.
We can recognize through technique scheme; Polynary material pretreatment unit provided by the invention adopts the variable-pitch propeller structure, can handle polynary material; Material particles is kept below the 20mm; Mixing of materials is respond well, has expanded the source of raw material simultaneously, has greatly improved the harmless treatment amount of debirs; In addition, the cutting of this device, pulverizing and conglomerate integration, power reduces greatly, and speed controlling is below 300rpm, vibrate little, noise is little; Inclusion material nutrient repository in nutrition inking device 8 according to the raw material nourishment of sensor probe 16 reflection, can be confirmed the nutrients that lacks from material nutrition repository, raw material is regulated, and makes material balanced in nutrition, improves factor of created gase and stability; And the cost of this device is merely the sixth of Similar types of materials pretreatment unit, has practiced thrift cost greatly.
Among the present invention, the left screw rod 4 in the spiral casing is supported on the underframe 15 through bearing 11 respectively with right screw rod 5, and is separately installed with 12, two gears 12 of gear in the end of left screw rod 4 and right screw rod 5 and is meshing with each other; Power set 1 among the present invention are motor, and motor links to each other with left screw rod 4 or right screw rod 5 through shaft coupling 13, drive left screw rod 4 and right screw rod 5 rotations.
Bearing 11 devices open effect fixing and that support to left screw rod 4 and right screw rod 5; Guarantee the rotation of both ability all-the-time stable, the power set 1 among the present invention are motor, and motor is through linking to each other with left screw rod 4 or right screw rod 5 with shaft coupling 13; For providing power, it makes its rotation; And the end at left screw rod 4 and right screw rod 5 is separately installed with gear 12, and then a screw rod rotation just can drive another screw rod and rotate through gear 12 effects; Make left screw rod 4 and right screw rod 5 keep rotating in opposite directions, be used to cut material.
In order further to optimize technique scheme, the pitch of left screw rod 4 and right screw rod 5 blades all is to reduce gradually to discharge bucket 14 1 extreme directions along feed hopper 9 one ends; The blade pitch of feed hopper 9 belows is relatively large, and the material that helps like this falling into gets into the slit of blade, rapidly material is cut, and blade pitch is big can effectively extenuate the material clustering phenomena.
In order to optimize the cutting effect of left screw rod 4 and right screw rod 5 blades, the cross section of blade is set to pyramidal structure among the present invention; The pyramidal structure top is very thin, can cut material by effective fast look, guarantees that all materials are cut; And length remains on below the 20mm, and pyramidal structure is thick more more downwards, and no matter which kind of material blade cuts is; The security of blade is all very high, and has prolonged the service life of blade greatly.
In order further to optimize technique scheme, be provided with eccentric movable screen in the bottom of feed hopper 9; All kept off when in feed hopper 9, adding materials by the movable screen of off-centre; After having only material to reach constant weight, eccentric movable screen just overturns, and material is got in the spiral casing; This design makes that each amount that gets into material in the spiral casing is constant; Nutrition inking device 8 just can carry out the nutrition dispensing to material according to weight like this, guarantees nutrient balance; In addition, increase eccentric movable screen after material fall from certain height, this has extenuated the clustering phenomena of material to a great extent.
In order further to optimize technique scheme, be separately installed with first connecting plate 7 and second connecting plate 2 in spiral tank ends of the present invention; On said left screw rod 4 and the right screw rod 5,, be respectively arranged with axle envelope 6 systems at an end of gearless 12; First connecting plate 7 and second connecting plate 2 are the ellipsoidal structure of hollow, be enclosed within that left screw rod 4 revolves and right screw rod 5 on, and be separately fixed at the two ends of spiral casing; Make the spiral box house form the space of a relatively independent sealing, material and other devices are kept apart, cooperate the use of activated sewage again; Greatly reduce the Dust Capacity in the device, improved operating environment, in addition; One end of gear 12 is not installed on left screw rod 4 and right screw rod 5; Be respectively arranged with axle envelope 6 devices, prevent that material is discharged to the external world from the end of screw rod, material is formed certain protection.
In polynary material pretreatment unit of the present invention, also comprise the transport that is installed on discharge bucket 14 belows; Polynary material is through being discharged by discharge bucket 14 after the processing of pretreatment unit; At this moment, the length of material is all below 20mm, and the nutritional labeling matched proportion density of material is reasonable; Can directly carry out follow-up fermenting procedure; Can adopt helical feed or pump conveying etc. with polynary mass transport in installation for fermenting, ferment, whole Fermentation Engineering is carried out continuously.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. a polynary material pretreatment unit is characterized in that, comprising:
Underframe (15);
Be installed on the spiral casing of said underframe (15) one ends; At said spiral box house two left screw rod (4) and right screw rods (5) that are in same horizontal plane are installed; Be equipped with the blade of varying pitch on said left screw rod (4) and the right screw rod (5), and the blade cross arrangement on said left screw rod (4) and the right screw rod (5); The top of said spiral casing one end is provided with feed hopper (9), below the other end, is provided with discharge bucket (14); The both sides of said spiral casing are respectively equipped with nutriment import (3) and sewage import (10);
Be installed on said underframe (15) other end, be used to drive said left screw rod (4) and right screw rod (5) power set (1) in relative rotation;
Be installed in the said spiral casing, be used to survey the sensor probe (16) of material proportion concentration in the said spiral casing;
Nutrition inking device (8); Said nutrition inking device (8) is provided with the nutrient formulation database, and an end of said nutrition inking device (8) links to each other with said sensor probe (16), is used to receive the detected parameter of said sensor probe (16); Said parameter is used for indicating material to contain the content of activation of microorganism sewage; The other end links to each other with said sewage import (10) through the activated sewage pump, when in said parameter indication material, lacking activated sewage, starts said activated sewage pump.
2. polynary material pretreatment unit according to claim 1 is characterized in that,
Said left screw rod (4) and right screw rod (5) are supported on the said underframe (15) through bearing (11) respectively, and the end of said left screw rod (4) and right screw rod (5) is separately installed with gear (12), and two said gears (12) are meshed;
Said power set (1) are motor, and said motor links to each other with said left screw rod (4) or right screw rod (5) through shaft coupling (13).
3. polynary material pretreatment unit according to claim 1 is characterized in that, the pitch of said left screw rod (4) and right screw rod (5) blade reduces to said discharge bucket (14) one extreme directions from said feed hopper (9) one ends gradually.
4. polynary material pretreatment unit according to claim 1 is characterized in that the cross section of said blade is a pyramidal structure.
5. polynary material pretreatment unit according to claim 1 is characterized in that the bottom of said feed hopper (9) is provided with eccentric movable screen.
6. polynary material pretreatment unit according to claim 1 is characterized in that, is respectively equipped with first connecting plate 7 and second connecting plate (2) at the two ends of said spiral casing; On said left screw rod (4) and the right screw rod (5),, be respectively arranged with axle envelope (6) at an end of gearless (12).
7. polynary material pretreatment unit according to claim 1 is characterized in that comprise transport, said transport is installed on the below of said discharge bucket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100087824A CN102580596B (en) | 2012-01-12 | 2012-01-12 | Pretreatment device for multi-element material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100087824A CN102580596B (en) | 2012-01-12 | 2012-01-12 | Pretreatment device for multi-element material |
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| CN102580596A true CN102580596A (en) | 2012-07-18 |
| CN102580596B CN102580596B (en) | 2013-11-13 |
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| CN2012100087824A Expired - Fee Related CN102580596B (en) | 2012-01-12 | 2012-01-12 | Pretreatment device for multi-element material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691340A (en) * | 2013-12-05 | 2014-04-02 | 铜陵晟王铁路装备股份有限公司 | Powder cake break-up device of high-pressure paired-roller extrusion mill |
| CN105032573A (en) * | 2015-06-30 | 2015-11-11 | 安徽铸星机械制造有限公司 | Organic fertilizer stirring grinder |
| CN107930820A (en) * | 2017-12-13 | 2018-04-20 | 吕继亮 | A kind of biconial spiral rod type refuse disposal installation |
| CN113144990A (en) * | 2021-03-22 | 2021-07-23 | 刘文治 | Production device of total-nutrient water-soluble fertilizer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085723U (en) * | 1990-09-27 | 1991-10-02 | 中国水产科学研究院渔业机械仪器研究所 | Shaper for extruding dung of poultry and domestic animal and paste-like materials |
| CN1773034A (en) * | 2004-11-08 | 2006-05-17 | 魏隆基 | Microbial degradation environment protection toilet apparatus |
| CN201012915Y (en) * | 2007-03-07 | 2008-01-30 | 浙江大学 | Organic refuse horizontal multiple-chamber processing unit |
| CN101199969A (en) * | 2006-12-11 | 2008-06-18 | 姜宗吉 | Apparatus for disposing of food waste |
| US20090071066A1 (en) * | 2007-09-17 | 2009-03-19 | Russell Meier | Method of Producing Dried Distillers Grain with Solubles Agglomerated Particles |
| CN101757968A (en) * | 2008-12-24 | 2010-06-30 | 深圳市东江环保股份有限公司 | Smashing and separating machine for kitchen rubbish |
| EP2134658B1 (en) * | 2007-03-28 | 2011-01-19 | Veolia Bioenergy Europe Kft. | Apparatus for processing biomass waste |
-
2012
- 2012-01-12 CN CN2012100087824A patent/CN102580596B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085723U (en) * | 1990-09-27 | 1991-10-02 | 中国水产科学研究院渔业机械仪器研究所 | Shaper for extruding dung of poultry and domestic animal and paste-like materials |
| CN1773034A (en) * | 2004-11-08 | 2006-05-17 | 魏隆基 | Microbial degradation environment protection toilet apparatus |
| CN101199969A (en) * | 2006-12-11 | 2008-06-18 | 姜宗吉 | Apparatus for disposing of food waste |
| CN201012915Y (en) * | 2007-03-07 | 2008-01-30 | 浙江大学 | Organic refuse horizontal multiple-chamber processing unit |
| EP2134658B1 (en) * | 2007-03-28 | 2011-01-19 | Veolia Bioenergy Europe Kft. | Apparatus for processing biomass waste |
| US20090071066A1 (en) * | 2007-09-17 | 2009-03-19 | Russell Meier | Method of Producing Dried Distillers Grain with Solubles Agglomerated Particles |
| CN101757968A (en) * | 2008-12-24 | 2010-06-30 | 深圳市东江环保股份有限公司 | Smashing and separating machine for kitchen rubbish |
Non-Patent Citations (1)
| Title |
|---|
| 催启佳，等: "双螺杆物化组合预处理对秸秆产沼气的影响", 《农业工程学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691340A (en) * | 2013-12-05 | 2014-04-02 | 铜陵晟王铁路装备股份有限公司 | Powder cake break-up device of high-pressure paired-roller extrusion mill |
| CN105032573A (en) * | 2015-06-30 | 2015-11-11 | 安徽铸星机械制造有限公司 | Organic fertilizer stirring grinder |
| CN107930820A (en) * | 2017-12-13 | 2018-04-20 | 吕继亮 | A kind of biconial spiral rod type refuse disposal installation |
| CN113144990A (en) * | 2021-03-22 | 2021-07-23 | 刘文治 | Production device of total-nutrient water-soluble fertilizer |
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Granted publication date: 20131113 Termination date: 20170112 |