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CN106040100B - A biomass flat die granulator machine granulation die cavity - Google Patents

A biomass flat die granulator machine granulation die cavity Download PDF

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Publication number
CN106040100B
CN106040100B CN201610671923.9A CN201610671923A CN106040100B CN 106040100 B CN106040100 B CN 106040100B CN 201610671923 A CN201610671923 A CN 201610671923A CN 106040100 B CN106040100 B CN 106040100B
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diameter
hole
equal
curve
quasi
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CN106040100A (en
Inventor
王美美
张玮玮
马洪儒
韩文清
王咏梅
马淑叶
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Anyang Institute of Technology
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Anyang Institute of Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/221—Extrusion presses; Dies therefor extrusion dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Processing Of Solid Wastes (AREA)
  • Glanulating (AREA)
  • Fats And Perfumes (AREA)

Abstract

A kind of biomass flat-die granulation machine granulation mold cavity; an isometrical hole including being located at lower part; the type chamber is followed successively by quasi- fluidised form curve, the circular arc line, straight line being connected along the vertical direction cross sectional shape of isometrical axially bored line from mould upper surface to lower end surface; wherein straight line is the sideline of the vertical direction in isometrical hole, and the above-mentioned quasi- fluidised form curve being connected, circular arc line, straight line rotate a circle the inner surface of shape forming cavity around isometrical axially bored line.It works well by the mold cavity for trying out of the invention, single influence for considering cavity shape to die life, die life of the invention reaches 3-4 times of original die life.

Description

A kind of biomass flat-die granulation machine granulation mold cavity
Technical field
The present invention relates to a kind of biomass mold, in particular to a kind of biomass flat-die granulation machine granulation mould type lumen type Chamber belongs to biomass profiling equipment technical field.
Background technique
The pelletization of biomass is the type hole for forcing raw material to be advanced to mold by pressure roller (or other pressurizing units) In, under the action ofs pressure, frictional force, type chamber restraining force etc., lignin inside raw material softening flow is by its inside raw material Its such as cellulose glue molding, this process are a kind of processes of the flowing of the material under high pressure-temperature operating condition, are pelletized The primary friction of journey has the internal friction of raw material and the frictional resistance of mold type hole, and the internal friction of raw material is to promote material heating A kind of beneficial effect for pushing lignin softening glued；And the friction inside mold type hole generates retardance to production and to mold Directly wear；The structure of mold type hole generally has straight pass, ladder pass, the straight composite holes of cone etc., the type hole of these molds, in reality Border in use, abrasion the most serious is be straight pass, ladder pass, especially material type hole entrance.Mold type hole pair The friction of material is the biggest factor for leading to resistance, also seriously reduces the service life of mold, and such case has seriously affected biology The production cost and reliability of matter facility for granulating, need to be improved.
Summary of the invention
It is an object of the invention to overcome the above problem existing for current biomass plate granulator granulation model cavity, provide A kind of biomass flat-die granulation machine granulation mold cavity.
For the purpose for realizing instinct invention, using following technical solutions: a kind of biomass flat-die granulation machine is pelletized mould Tool type chamber, the isometrical hole including being located at lower part, the type chamber along isometrical axially bored line vertical direction cross sectional shape from mold Upper surface to lower end surface is followed successively by quasi- fluidised form curve, the circular arc line, straight line being connected, and wherein straight line is the vertical direction in isometrical hole Sideline, the above-mentioned quasi- fluidised form curve being connected, circular arc line, straight line rotate a circle the interior table of shape forming cavity around isometrical axially bored line Face, the quasi- fluidised form curvilinear function expression are as follows:
Wherein:
Y: the axial variable in hole, unit mm；
X: the radial variable in hole, X are less than 3.2M, unit mm；
M: it is related to briquetting pressure for pressure coefficient, it is the 1/10-1/5 of briquetting pressure, briquetting pressure unit is MPa；
Vertical range of the radial origin of the quasi- fluidised form curve between isometrical axially bored line is 0.9-1.2 times isometrical At bore dia, for axial origin in the upper surface of type chamber, origin refers to the upper extreme point of curve, circular arc line be quasi- fluidised form curve and straight line it Between rounding off, curved line and quasi- fluidised form curve and straight line are tangent relation, and the radius of circular arc line is 1.1-1.3 times isometrical Bore dia；
The type chamber is shape symmetrical above and below, and inlet port and outlet port shape is identical；
Further, the isometrical hole that vertical range of the radial origin of the curve between isometrical axially bored line is 1 times At diameter, the radius of circular arc line is 1.15 times of isometrical bore dias；
Further, vertical range of the radial origin of the curve between isometrical axially bored line is 1.1 times isometrical At bore dia, the radius of circular arc line is 1.2 times of isometrical bore dias；
Further, vertical range of the radial origin of the curve between isometrical axially bored line is 1.3 times isometrical At bore dia, the radius of circular arc line is 1.3 times of isometrical bore dias；
Further, vertical range of the radial origin of the curve between isometrical axially bored line is 0.9 times isometrical At bore dia, the radius of circular arc line is 1.1 times of isometrical bore dias.
Positive advantageous effects of the invention are: the present invention is used using quasi- fluidised form Curve Design production type chamber Section transitions are led directly among anchor ring circular arc and mold type hole, to reduce rubbing for material and granulation type chamber to greatest extent It wipes, reduces friction loss when granulation, reduce the friction with mold, reduce the use cost of production energy consumption and mold, warp It crosses and tries out mold cavity of the invention and work well, single influence for considering cavity shape to die life, the mold longevity of the invention Life reaches 3-4 times of original die life.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Specific embodiment
In order to more fully explain implementation of the invention, embodiment of the invention is provided.These embodiments are only To elaboration of the invention, do not limit the scope of the invention.
In conjunction with attached drawing to the further details of explanation of the present invention, respectively marked in attached drawing are as follows: 1: mould upper surface；2: under mold End face；3: quasi- fluidised form curve origin；4: quasi- fluidised form curve；5: circular arc line；6: straight line；7: isometrical hole；It is mold shown in Fig. 1 The shape of a upper type chamber, offers up to a hundred on a flat plate mold or even thousands of a type chambers, biomass material enter type It is formed under the compacting of molding equipment after chamber, the last molding shape of biological particles is the shape in isometrical hole 7.Biomass It is a kind of solid flow that flowing of the material in type hole is practical when granulation, devises a kind of biomass flat-die granulation machine granulation mould with this Tool type chamber, as shown in the picture, a kind of biomass flat-die granulation machine granulation mold cavity, the isometrical hole 7 including being located at lower part, institute The type chamber stated is followed successively by the quasi- stream being connected from mould upper surface to lower end surface along the vertical direction cross sectional shape of isometrical 7 axis of hole State curve 4, circular arc line 5, straight line 6, wherein straight line 6 is the sideline of the vertical direction in isometrical hole 7, and the above-mentioned quasi- fluidised form being connected is bent Line, circular arc line, straight line rotate a circle the inner surface of shape forming cavity around isometrical axially bored line, the quasi- fluidised form curvilinear function expression Are as follows:
Wherein:
Y: the axial variable in hole, unit mm；
X: the radial variable in hole, X are less than 3.2M, unit mm；
M: it is related to briquetting pressure for pressure coefficient, it is the 1/10-1/5 of briquetting pressure, briquetting pressure unit is MPa；
Vertical range of the radial origin of the quasi- fluidised form curve between isometrical axially bored line is 0.9-1.2 times isometrical At bore dia, it show axial origin 3 origin for showing quasi- fluidised form curve, origin in the upper surface of type chamber, Fig. 1 and refers to curve Upper extreme point, circular arc line is the rounding off between quasi- fluidised form curve and straight line, and circular arc line is with quasi- fluidised form curve and straight line Tangent relation, the radius of circular arc line are 1.1-1.3 times of isometrical bore dia；In the feelings that isometrical bore dia and mould upper surface determine Under condition, intend the origin of fluidised form curve it was determined that the sideline in isometrical hole is it was determined that the diameter of circular arc line has exact range, because It is tangent relation that circular arc line, which intends fluidised form curve and straight line, shown above-mentioned shape be can deciding with uniqueness, type chamber It is feed inlet in the upper surface of mold, lower end surface is discharge port, and type chamber is shape symmetrical above and below, inlet port and outlet port shape phase Together, middle line of the dotted line between mold upper and lower end face in figure, inlet port and outlet port are symmetrical about dotted line, can guarantee mould in this way Have front and back sides to use, extends the service life of mold.
After the embodiment that the present invention will be described in detail, one of ordinary skilled in the art is clearly understood that, is not being taken off It is lower from above-mentioned claim and spirit to carry out various change and modify, it is all according to the technical essence of the invention to the above reality Any simple modification, equivalent change and modification made by example are applied, belong to the range of technical solution of the present invention, and the present invention is also not It is limited to the embodiment of example in specification.

Claims (5)

1.一种生物质平模颗粒机制粒模具型腔，包括位于下部的一等径孔，其特征在于：所述的型腔沿等径孔轴线的竖直方向截面形状从模具上端面至等径孔依次为相连接的拟流态曲线、圆弧线、直线，其中直线为等径孔的竖直方向的边线，上述相连接的拟流态曲线、圆弧线、直线绕等径孔轴线旋转一周形成型腔的内表面，所述的拟流态曲线函数表达为：1. A biomass flat die granulator granulation die cavity, comprising an equal-diameter hole at the bottom, is characterized in that: the cavity is along the vertical direction cross-sectional shape of the equal-diameter hole axis from the upper end face of the die to the equal diameter. The diameter holes are connected quasi-fluidic curves, circular arcs, and straight lines in sequence, wherein the straight line is the vertical edge of the equal-diameter holes, and the above-mentioned connected quasi-fluidic curves, circular arcs, and straight lines are around the axis of the equal-diameter holes. The inner surface of the cavity is formed by one rotation, and the quasi-fluid curve function is expressed as: 其中：in: Y：孔的轴向的变量，单位为mm；Y: The variable of the axial direction of the hole, the unit is mm; X：孔的径向的变量，X小于3 .2M，单位为mm；X: The radial variable of the hole, X is less than 3.2M, the unit is mm; M：为压力系数，与成型压力相关，为成型压力的1/10-1/5，成型压力单位为MPa；M: is the pressure coefficient, which is related to the molding pressure, and is 1/10-1/5 of the molding pressure, and the molding pressure unit is MPa; 所述拟流态曲线的曲率是连续变化的，所述拟流态曲线的径向原点在与等径孔轴线之间的垂直距离为0.9-1.2 倍的等径孔直径处，轴向原点在型腔的上端面，原点指曲线的上端点，圆弧线为拟流态曲线与直线之间的圆滑过渡，圆弧线与拟流态曲线及直线均为相切关系，圆弧线的半径为1.1-1.3倍等径孔直径；型腔为上下对称形状，进料口和出料口形状相同。The curvature of the quasi-fluid curve is continuously changing, the radial origin of the quasi-fluid curve is at a vertical distance between 0.9-1.2 times the diameter of the equal-diameter hole with the axis of the equal-diameter hole, and the axial origin is at The upper end face of the cavity, the origin refers to the upper end point of the curve, the arc line is a smooth transition between the quasi-fluid curve and the straight line, the arc line is tangent to the quasi-fluid curve and the straight line, and the radius of the arc line It is 1.1-1.3 times the diameter of the equal diameter hole; the cavity is symmetrical in shape up and down, and the shape of the inlet and outlet is the same. 2.根据权利要求1所述的一种生物质平模颗粒机制粒模具型腔，其特征在于：所述曲线的径向原点在与等径孔轴线之间的垂直距离为1倍的等径孔直径处，圆弧线的半径为1.15倍等径孔直径。2. A biomass flat die granulator machine granulation die cavity according to claim 1, characterized in that: the vertical distance between the radial origin of the curve and the axis of the equal diameter hole is 1 times the equal diameter At the hole diameter, the radius of the arc line is 1.15 times the diameter of the equal diameter hole. 3.根据权利要求1所述的一种生物质平模颗粒机制粒模具型腔，其特征在于：所述曲线的径向原点在与等径孔轴线之间的垂直距离为1.1倍的等径孔直径处，圆弧线的半径为1.2倍等径孔直径。3. A biomass flat die granulator machine granulation die cavity according to claim 1, characterized in that: the vertical distance between the radial origin of the curve and the axis of the equal diameter hole is an equal diameter of 1.1 times At the hole diameter, the radius of the arc line is 1.2 times the diameter of the equal diameter hole. 4.根据权利要求1所述的一种生物质平模颗粒机制粒模具型腔，其特征在于：所述曲线的径向原点在与等径孔轴线之间的垂直距离为1.3倍的等径孔直径处，圆弧线的半径为1.3倍等径孔直径。4. A biomass flat die granulator machine granulation die cavity according to claim 1, characterized in that: the vertical distance between the radial origin of the curve and the axis of the equal diameter hole is 1.3 times the equal diameter At the hole diameter, the radius of the arc line is 1.3 times the diameter of the equal diameter hole. 5.根据权利要求1所述的一种生物质平模颗粒机制粒模具型腔，其特征在于：所述曲线的径向原点在与等径孔轴线之间的垂直距离为0.9倍的等径孔直径处，圆弧线的半径为1.1倍等径孔直径。5. A biomass flat die granulator machine granulation die cavity according to claim 1, wherein the vertical distance between the radial origin of the curve and the axis of the equal diameter hole is an equal diameter of 0.9 times At the hole diameter, the radius of the arc line is 1.1 times the diameter of the equal diameter hole.
CN201610671923.9A 2016-08-16 2016-08-16 A biomass flat die granulator machine granulation die cavity Active CN106040100B (en)

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CH719004A2 (en) * 2021-09-28 2023-03-31 Baumgartner Uwe Process for producing absorbent fiber-based granules with pellet-like units and device for carrying out the process.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201220162Y (en) * 2008-06-27 2009-04-15 霍振尧 Granulator mold
CN203090869U (en) * 2013-01-01 2013-07-31 荆门市万泰机械有限公司 Dual-power flat die extrusion machine
CN205412920U (en) * 2016-03-21 2016-08-03 山东颗粒特机械有限公司 Sawdust particle machine discharge mold utensil
CN205850787U (en) * 2016-08-16 2017-01-04 安阳工学院 A kind of biomass flat-die granulation machine granulation mold cavity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201220162Y (en) * 2008-06-27 2009-04-15 霍振尧 Granulator mold
CN203090869U (en) * 2013-01-01 2013-07-31 荆门市万泰机械有限公司 Dual-power flat die extrusion machine
CN205412920U (en) * 2016-03-21 2016-08-03 山东颗粒特机械有限公司 Sawdust particle machine discharge mold utensil
CN205850787U (en) * 2016-08-16 2017-01-04 安阳工学院 A kind of biomass flat-die granulation machine granulation mold cavity

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
生物质成型机平模优化设计及试验研究;李涛;《合肥工业大学硕士学位论文》;20150817;第25页倒数第1段

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Inventor after: Wang Meimei

Inventor after: Zhang Weiwei

Inventor after: Ma Hongru

Inventor after: Han Wenqing

Inventor after: Wang Yongmei

Inventor after: Ma Shuye

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