CN208529815U - Improve the Wet-pressing molding equipment of degree of cracking - Google Patents

Abstract

The utility model discloses the Wet-pressing molding equipment for improving degree of cracking, including pressure roller, pressing mold, the pressure roller is cylindrical body, and the pressure roller is rotated by axis of the central axis of cylindrical body；The pressing mold is arc-shaped, and the radius of the pressing mold is the 2 times or more of the radius of pressure roller；The downside of pressure roller is arranged in the pressing mold, and the center of circle of the pressing mold is in upside；The distance between minimum point and the minimum point of pressure roller of the upper surface of the pressing mold are within 2mm；Fuel is arranged on the pressing mold to portal；The central axis of central axis locating for the center of circle of the pressing mold and pressure roller is on same perpendicular, and pressing mold is bisected into left-half and right half part by perpendicular, multiple secondary pressure rollers are provided between the upper surface of the left-half of pressing mold and the surface of pressure roller, secondary pressure roller is in cylindrical body, and secondary pressure roller diameter is inconsistent.The utility model can improve the compactness and uniformity of fuel in a small amount of lasting feeding fuel hole of pulverized fuel.

Description

Improve the Wet-pressing molding equipment of degree of cracking

Technical field

The utility model relates to mechanical parts, and in particular to improve the Wet-pressing molding equipment of degree of cracking.

Background technique

Renewable energy mainly has wind energy, water energy, solar energy and biomass energy.Wherein biomass energy, which refers to, utilizes biomass The energy of generation, be it is a kind of efficiently and cheap solar energy concentration storing mode, be unique one kind can store and transport can be again The raw energy, and due to biomass refer in organic matter it is all from animals and plants and can regenerated object in addition to fossil fuel Matter, unlike wind energy, water energy, solar energy, will be limited so biomass energy distribution is most wide by weather and natural conditions, as long as Lived place can also utilize biomass energy i.e. with the presence of biomass.Therefore, it can be said that biomass is one on the earth Huge energy depot.

There are many type of biomass, generally include the following aspects: first is that timber and forest industry waste；Second is that agriculture Industry waste；Third is that water plant；Fourth is that oilseed plant；Fifth is that city and industrial organic wastes；Sixth is that animal wastes.Full generation It is biomass energy that boundary treaty, which has 90% or more of 2,500,000,000 people's domestic energies,.

Biomass compact forming technology is exactly to generate in this case, he is by all kinds of loose biomass materials (mainly agricultural crop straw, processing of farm products waste, forest processing waste etc.) (is heated or not heated) with mechanical pressurization Method, make it is original it is loose, do not have effigurate raw material be compressed into that tool is effigurate, density is larger (0.8~ The hot property of the raw material after molding of shaped fuel 1.4g/cm3) is better than timber, calorific value is 14~17MJ/kg, is equivalent to Matter bituminous coal can directly burn, while have that black smoke is few, and firepower is prosperous, burning is abundant, not the advantages that flying dust, clean hygiene, 2SO and The discharge of 2NO denier.

Biomass solid shaping fuel is with the processing is simple, cost is relatively low, is convenient for storing and transporting, easily catch fire, flammability The advantage that energy is good, the thermal efficiency is high, can be used as the fuel of cooking, heating, can also be used as the fuel of Industrial Boiler and power plant.To life For substance energy resources oil-poor, meager coal abundant is national, it is considerable that biomass energy will become a kind of development prospect Alternative energy source.The biomass solid shaping fuel tightness of existing Wet-pressing molding machine compression travel is not high, uneven, so that raw Substance solid shaping fuel incomplete combustion, leads to the appearance of dense smoke；Many raw materials have fiber, and tenacity of fibre is stronger, no Easy fracture causes the degree of cracking of biomass solid type fuel bad.

Utility model content

Technical problem to be solved in the utility model be existing Wet-pressing molding machine compression travel biomass solid at Type fuel tightness is not high, uneven, so that biomass solid shaping fuel incomplete combustion, leads to the appearance of dense smoke, purpose It is to provide the Wet-pressing molding equipment for improving degree of cracking, improves the density and the uniformity of biomass solid shaping fuel tightness.

The utility model is achieved through the following technical solutions:

The Wet-pressing molding equipment of degree of cracking, including pressure roller, pressing mold are improved, the pressure roller is cylindrical body, and the pressure roller is with circle The central axis of cylinder is axis rotation；The pressing mold is arc-shaped, and the radius of the pressing mold is the 2 times or more of the radius of pressure roller；It is described The downside of pressure roller is arranged in pressing mold, and the center of circle of the pressing mold is in upside；The minimum point of the upper surface of the pressing mold and pressure roller The distance between minimum point is within 2mm；Fuel is arranged on the pressing mold to portal；Central axis locating for the center of circle of the pressing mold with The central axis of pressure roller is on same perpendicular, and pressing mold is bisected into left-half and right half part by perpendicular, is pressing Multiple secondary pressure rollers are provided between the upper surface of the left-half of mould and the surface of pressure roller, secondary pressure roller is in cylindrical body, and secondary pressure roller is straight Diameter is inconsistent, and the central axis of secondary pressure roller is parallel with the central axis of pressure roller, between the surface and pressing mold of each pair pressure roller most Closely and the surface of each secondary pressure roller is equal with the minimum distance of pressure roller, the distance between adjacent secondary pressure roller 2mm with Interior, the steering of adjacent secondary pressure roller is opposite；There are angles between the central axis and horizontal plane that fuel portals, and angular range is at 30 ° ~60 ° or 120 °~150 °, fuel, which portals, is through to lower surface from the upper surface of pressing mold, and fuel portals in a circular table shape, and is in The hole of pressing mold upper surface is greater than the hole in pressing mold lower surface；Grid blade is provided on the upside of pressing mold, grid blade exists It is formed on horizontal plane by lateral blade and longitudinal blade, the side length of the grid of grid blade is within 0.1mm.

Existing pressure roller only one, pulverized fuel is squeezed by pressure roller, but single pressure roller is squeezed to powder Fuel is easy to squeeze slabbing, when sheet fuel enter fuel portal in can not scatter or can not be laid in during fuel portals Fuel upper surface be easy to cause fuel aerial, causes the tightness of fuel not high, the uniformity is inadequate.The utility model is by setting Multiple secondary pressure rollers are set, pulverized fuel is sent into from secondary pressure roller, pulverized fuel is pressed in multiple secondary roller surface transmitting or in pair Space transmitting between roller and pressure roller or the space between pressing mold and secondary pressure roller are transmitted, even if pulverized fuel is between upper one It is extruded in gap in flakes, also can be by laminated structure powdered again in next gap, and pulverized fuel is from being relatively large in diameter Secondary pressure roller on be transmitted on lesser secondary pressure roller, the amount of pulverized fuel is gradually reduced, be eventually transferred to pressing mold and pressure roller near Close position is sent to during fuel portals, in this way by a small amount of lasting feeding fuel hole of pulverized fuel, can improve combustion The compactness and uniformity of material.Grid blade is arranged in pressing mold upper surface in the utility model, and pressure roller and secondary pressure roller are in compaction of powders Can the fiber in pulverized fuel be cut more broken when fuel, prevent fiber from influencing the cracking behavior of biomass solid shaping fuel.

Pressing mold in the prior art is using arcuate structure, but the fuel in the pressing mold central axis direction portalled Be, fuel portal locating pressing mold planar annular the center of circle, when pressure roller rotates, powdered fuel enters from the side of pressure roller To between pressure roller and pressing mold, pulverized fuel is that the fuel being pressed into pressing mold portals in the case where accumulation, but in powder It can be entered directly into the case that last fuel is less during fuel portals, which results in biomass solid shaping fuel tightness The not high phenomenon of the not high, uniformity；The utility model is by improving pressing mold, central axis that the fuel in pressing mold is portalled The same formation certain angle between horizontal plane, when pressure roller rotation, it is possible to reduce fuel falls directly into fuel and portals, and And fuel portals in a circular table shape, and the hole of upside is larger, it is quickly entered during fuel portals convenient for fuel, and the hole of downside is smaller, then Prevent fuel continue to whereabouts, the pulverized fuel of upside constantly enter fuel portal in accumulated, when pulverized fuel is continuous Accumulation, pressure roller squeezes pulverized fuel from upside, and when fuel portals middle extrusion from downside, tightness and the uniformity are just obtained Promotion is arrived.When fuel expose certain length after, can with extraneous cutter by fuel portal outside formed biomass solid at Type fuel cut-off, to obtain tightness and the higher biomass solid shaping fuel of the uniformity.

Further, in rotating counterclockwise, then the angular range between central axis and horizontal plane that fuel portals is pressure roller 30 °~60 °；For the pressure roller in rotating clockwise, then the angular range between central axis and horizontal plane that fuel portals is 120 ° ~150 °.

When pressure roller is in rotating counterclockwise, the angular range between central axis and horizontal plane that fuel portals is 30 °~60 °, I.e. pulverized fuel moves right under the drive of pressure roller, but the direction that fuel portals is direction to left down, thus right Pulverized fuel falling into during fuel portals more evenly, improves the uniformity；When pressure roller is in rotating clockwise, the central axis that fuel portals Angular range between horizontal plane is 120 °~150 °, i.e., pulverized fuel moves downward under the drive of pressure roller, but fuel The direction portalled be to the right to, thus the falling into during fuel portals more evenly to pulverized fuel, improves the uniformity.

Further, the width of pressing mold and the height of pressure roller are identical.The utilization rate of pressure roller and pressing mold is set to reach highest.

The utility model compared with prior art, has the following advantages and benefits:

1, pulverized fuel is sent into, pulverized fuel is more by the utility model by the way that multiple secondary pressure rollers are arranged from secondary pressure roller A pair roller surface transmitting or the space transmitting between secondary pressure roller and pressure roller or the space between pressing mold and secondary pressure roller Transmitting also can be by laminated structure wheat-middlings again in next gap even if pulverized fuel is extruded in flakes in a upper gap Endization, and pulverized fuel is transmitted on lesser secondary pressure roller from the secondary pressure roller being relatively large in diameter, and the amount of pulverized fuel gradually subtracts It is small, it is eventually transferred to pressing mold and the hithermost position of pressure roller, is sent to during fuel portals, is continued in this way by pulverized fuel is a small amount of Feeding fuel hole in, the compactness and uniformity of fuel can be improved.

2, the utility model is by improving pressing mold, between the central axis and horizontal plane that the fuel in pressing mold is portalled Same formation certain angle, when pressure roller rotation, it is possible to reduce fuel falls directly into fuel and portals, and fuel portals and is in Round table-like, the hole of upside is larger, quickly enters during fuel portals convenient for fuel, and the hole of downside is smaller, then prevents fuel from continuing To whereabouts, the pulverized fuel of upside constantly enter fuel portal in accumulated, when pulverized fuel is constantly accumulated, pressure roller is from upper Side squeezes pulverized fuel, and when fuel portals middle extrusion from downside, tightness and the uniformity are just improved.

Detailed description of the invention

Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is grid blade structure schematic diagram.

Label and corresponding parts title in attached drawing:

1- pressure roller, 2- pressing mold, 3- fuel portal, 4- pair pressure roller, 5- grid blade.

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.

Embodiment

As depicted in figs. 1 and 2, the Wet-pressing molding equipment of degree of cracking, including pressure roller 1, pressing mold 2 are improved, the pressure roller 1 is circle Cylinder, the pressure roller 1 are rotated by axis of the central axis of cylindrical body；The pressing mold 2 is arc-shaped, and the radius of the pressing mold 2 is pressure roller 1 Radius 2 times or more；The downside of pressure roller 1 is arranged in the pressing mold 2, and the center of circle of the pressing mold 2 is in upside；The pressing mold 2 Upper surface minimum point and pressure roller 1 the distance between minimum point within 2mm；Fuel is set on the pressing mold 2 and portals 3； The central axis of central axis locating for the center of circle of the pressing mold 2 and pressure roller 1 is on same perpendicular, and pressing mold 2 is put down vertically Face is bisected into left-half and right half part, is provided between the upper surface of the left-half of pressing mold 2 and the surface of pressure roller 1 more A pair pressure roller 4, secondary pressure roller 4 is in cylindrical body, and secondary 4 diameter of pressure roller is inconsistent, and the center of the central axis of secondary pressure roller 4 and pressure roller 1 Axis is parallel, and the surface of minimum distance and each secondary pressure roller 4 between the surface and pressing mold 2 of each pair pressure roller 4 and pressure roller 1 are most Closely equal, for the distance between adjacent secondary pressure roller 4 within 2mm, the steering of adjacent secondary pressure roller 4 is opposite；Fuel portals 3 Central axis and horizontal plane between there are angle, for angular range at 30 °~60 ° or 120 °~150 °, fuel portals 3 from pressing mold 2 Upper surface be through to lower surface, fuel portals 3 in a circular table shape, and the hole in 2 upper surface of pressing mold is greater than under pressing mold 2 The hole on surface；Grid blade 5 is provided on the upside of pressing mold 2, grid blade 5 is in the horizontal plane by lateral blade and longitudinal blade It is formed, the side length of the grid of grid blade 5 is within 0.1mm.

Pressure roller 1 in rotating counterclockwise, then fuel portal 3 central axis and horizontal plane between angular range be 30 °~ 60°；The pressure roller 1 in rotating clockwise, then fuel portal 3 central axis and horizontal plane between angular range be 120 °~ 150°。

The width of pressing mold 2 is identical as the height of pressure roller 1.

Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (3)

1. improving the Wet-pressing molding equipment of degree of cracking, which is characterized in that including pressure roller (1), pressing mold (2), the pressure roller (1) is circle Cylinder, the pressure roller (1) rotate by axis of the central axis of cylindrical body；The pressing mold (2) is arc-shaped, the radius of the pressing mold (2) It is the 2 times or more of the radius of pressure roller (1)；The pressing mold (2) is arranged in the downside of pressure roller (1), and the center of circle of the pressing mold (2) is in Upside；The distance between minimum point and the minimum point of pressure roller (1) of the upper surface of the pressing mold (2) are within 2mm；The pressing mold (2) fuel is set on and portals (3)；The central axis of central axis locating for the center of circle of the pressing mold (2) and pressure roller (1) is in same perpendicular In straight plane, and pressing mold (2) is bisected into left-half and right half part by perpendicular, pressing mold (2) left-half it is upper Multiple secondary pressure rollers (4) are provided between surface and the surface of pressure roller (1), secondary pressure roller (4) is in cylindrical body, and secondary pressure roller (4) diameter is not Unanimously, and the central axis of secondary pressure roller (4) is parallel with the central axis of pressure roller (1), the surface and pressing mold (2) of each pair pressure roller (4) Between minimum distance and each secondary pressure roller (4) equal with the minimum distance of pressure roller (1), the adjacent secondary pressure roller (4) in surface The distance between within 2mm, the steering of adjacent secondary pressure roller (4) is opposite；Fuel portal (3) central axis and horizontal plane between There are angle, angular range at 30 °~60 ° or 120 °~150 °, fuel portal (3) be through to down from the upper surface of pressing mold (2) Surface, fuel portal (3) it is in a circular table shape, and in pressing mold (2) upper surface hole be greater than in pressing mold (2) lower surface hole Hole；It is provided with grid blade (5) on the upside of pressing mold (2), grid blade (5) is in the horizontal plane by lateral blade and longitudinal blade-shaped At the side length of the grid of grid blade (5) is within 0.1mm.

2. the Wet-pressing molding equipment according to claim 1 for improving degree of cracking, which is characterized in that the pressure roller (1) is in inverse Hour hands rotation, then fuel portal (3) central axis and horizontal plane between angular range be 30 °~60 °；The pressure roller (1) is in Rotate clockwise, then fuel portal (3) central axis and horizontal plane between angular range be 120 °~150 °.

3. the Wet-pressing molding equipment according to claim 1 for improving degree of cracking, which is characterized in that the width of the pressing mold (2) It spends identical as the height of pressure roller (1).