CN101979351B - Prepressing feeder and system for feeding grain material in kiln - Google Patents
Prepressing feeder and system for feeding grain material in kiln Download PDFInfo
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- CN101979351B CN101979351B CN 201010294589 CN201010294589A CN101979351B CN 101979351 B CN101979351 B CN 101979351B CN 201010294589 CN201010294589 CN 201010294589 CN 201010294589 A CN201010294589 A CN 201010294589A CN 101979351 B CN101979351 B CN 101979351B
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- roller press
- hammer
- powder
- roller
- feeding machine
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Abstract
The invention discloses a prepressing feeder, which comprises a hopper, wherein a feeding cabin is arranged at the bottom of the hopper; a feeding wheel is arranged in the feeding cabin; a distributing hole and a material sliding pipe are arranged at the bottom of the cabin; the outlet of the material sliding pipe is provided with a prepressing hammer; the material flux of the distributing hole at the bottom of the feeding cabin reduces gradually from one side to the other side along a circumferential direction; and the material sliding pipe is arranged in a way of inclining toward the side with small material flux relative to the longitudinal central line of the hopper. The feeder can assist a roller press in reasonably distributing powder material and prepressing the powder material in a feeding pit at the same time, thereby improving the formation rate and compactness of the grain material. The invention also discloses a system for feeding the grain material in a kiln of the prepressing feeder.
Description
Technical field
The present invention relates to the raw material preparation field of glass manufacture enterprise, particularly relate to a kind of pre-pressure feeding machine for system for feeding aggregate into kiln.In addition, the invention still further relates to a kind of system for feeding aggregate into kiln that is provided with above-mentioned pre-pressure feeding machine.
Background technology
At present, world's glass output reached annual several hundred million ton, since 2008, China's glass output has leapt to the first in the world, be approximately annual 5000 ten thousand tons to 6,000 ten thousand tons, as a kind of large-scale industry, it produces the requirement of whether satisfying energy-saving and emission-reduction is a very important technical indicator.
China is since last century, the '30s glass industry was born, and the admixtion of glass is continued to use the mode of powdery bulk cargo always and fed in raw material in kiln, and this is a kind of mode that comparatively falls behind, and there is following shortcoming in it:
At first, the little (about 0.9～0.11gcm of powder-material volume density
3), thermal conductivity little (0.24W/m ℃) conducts heat slow, and fusing is slow, and powder-material can a large amount of heat energy of waste in melting process in kiln.
Secondly, in the transportation of powder-material before entering kiln, dust from flying is serious, and both contaminate environment, corroded again one tunnel hardware.
Moreover in entering kiln and there is the dust from flying problem in powder-material before fusing equally, can corrode the kiln body, stops up regenerator, reduce furnace service life.
At last, the material side that works good according to the glass ingredient ratio, through after dust from flying, those more expensive and volatile compositions (as soda ash, borax ... etc.) all can be subject to loss in various degree, understand the correct component proportions of havoc glass batch, cause the degradation of glass material.
In view of there is above-mentioned critical defect in powder-material, Zong people wish to take measures to overcome it, this measure is prepared into particulate material with powder-material exactly, the powder granulation engineering that namely is called for short in the industry.
The method of powder-material granulation material is mainly contained three kinds: punching press, spin, roll extrusion, for punching press and rolling ball method, rolling process can be produced more fine and close pellet.
Please refer to Fig. 1, Fig. 1 is the structural representation of existing roller press and feed-type thereof.
as shown in the figure, existing roller press is mainly by two horizontally disposed rollers 1 ' consist of, be respectively left wheel and right roller, the direction of rotation of two rollers, be equipped with on its periphery semicircle material hole 2 ', two in the middle of rollers directly over be provided with hopper 3 ', during work, powder-material from the opening of hopper 3 ' bottom flow into two rollers 1 ' between the cloth district, and fill up material hole 2 on roller ', two rollers 1 ' in the process of opposite direction rotating, its material cheats 2 ' gradually to being combined, thereby will expect the hole 2 ' in powder be squeezed into comparatively closely knit pellet, after expecting that hole 2 ' gradually separately, the pellet that is shaped from material hole 2 ' deviate to enter next process.
Due to roller press top only be provided with hopper 3 ', powder 3 ' under action of gravitation naturally inflow roller 1 ' the cloth district, easily cause the roller press cisco unity malfunction.If feeding coal is excessive, excessive powder can fill up whole cloth district, and then stops up roller and cause it and can't rotate, if feeding coal is too small, a small amount of powder can't fill up the material hole on roller, also just it can't be squeezed into pellet.In addition, powder enter material hole 2 ' degree of uniformity also uncontrollable, and lack necessary prepressing procedures, cause the shaping rate of pellet and density lower, can not satisfy the production requirement of modern glass producer.
Therefore, how carrying out reasonable cloth and to carry out precompressed to roller press, to improve shaping rate and the density of pellet, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of pre-pressure feeding machine.This feeding machine can be assisted roller press reasonable Arrangement powder-material, can also carry out precompressed by the interior powder-material in feed hole simultaneously, thereby improve shaping rate and the density of pellet.
To achieve these goals, the invention provides a kind of pre-pressure feeding machine, comprise hopper, described feed hopper bottom is provided with feed hopper; Be provided with feed wheel in described feed hopper, described feed hopper bottom is provided with dosing hole and feeding tube; The discharge port place of described feeding tube is provided with pre-hammer.
Preferably, the logical material amount of the dosing hole bottom described feed hopper is along circumferentially reducing gradually from a side direction opposite side.
Preferably, described feeding tube leads to respect to longitudinal center's alignment of described hopper the lopsidedness layout that the material amount reduces.
Preferably, described pre-hammer is positioned at the mid-way of described feeding tube discharge port.
Preferably, described pre-hammer is the pre-hammer of elasticity.
Preferably, the front side of described pre-hammer is provided with the first drapery panel that parallels with described feed wheel axis.
Preferably, the rear side of described pre-hammer is provided with the second drapery panel that parallels with described feed wheel axis.
Preferably, the lower edge of described the first drapery panel and the second drapery panel is provided with the uniform gap of spacing.
The present invention also provides a kind of system for feeding aggregate into kiln, comprise roller press, described roller press is tilting concave roller press, described tilting concave roller press is provided with the described pre-pressure feeding machine of above-mentioned any one, and the discharge port of the feeding tube of described pre-pressure feeding machine is positioned at the cloth district of described tilting concave roller press.
Preferably, described tilting concave roller press comprises support roller and pinch roller, and the periphery of described support roller is provided with material and cheats, and the periphery of described pinch roller is provided with boss; Described pinch roller is arranged in the oblique upper of described support roller, and both cheat with boss by material and are meshed, and its boss top and material that meshes the position is cheated formation roll extrusion space between the bottom, and the front side of meshing the position is the cloth district.
pre-pressure feeding machine provided by the present invention has been done further improvement on the basis of existing technology, no longer adopt hopper to the natural feed in cloth district of roller press, but the mode by setting up feed hopper and feeding tube in the bottom of hopper is to the cloth district feed of roller press, during running, at first powder in hopper enters feed hopper, in feed hopper, loose powder is separated at each independently in cavity by the feed impeller blade, and move to bottom feed hopper under the toggle action of feed wheel, then the dosing hole from feed hopper bottom enters feeding tube, and fall to the cloth district of roller press in feeding tube.The feeding coal of the controlled powder process material of rotating speed by regulating the feed wheel, quantity and the density of big or small controlled powder process material in feeding tube by dosing hole lay, as: the left side powder is closeer, the middle part and the right side powder rarer.In addition, the feeding tube lower end is provided with pre-hammer, by pre-hammer, the interior loose powder in roller press material hole is pressed to a certain degree in advance before roll extrusion, and then further replenish powder after precompressed, in roll extrusion forward direction material hole, make limited extruding space hold more powder, thereby improve shaping rate and the density of pellet.
In sum, in terms of existing technologies, the present invention can assist roller press reasonable Arrangement powder before roller press carries out roll extrusion, can also carry out precompressed by the interior powder in feed hole simultaneously, made the roll extrusion function squeeze out expeditiously the high pellet of volume density.
In a kind of embodiment, the front side of described pre-hammer is provided with the first drapery panel that parallels with described feed wheel axis; The rear side of described pre-hammer is provided with the second drapery panel that parallels with described feed wheel axis.After powder drops down onto the cloth district of roller press, most of powder can directly enter in the material hole of roller press, and another part powder can be scattered in the zone of expecting between the hole, if do not clear up, these powders that are scattered can have a strong impact on follow-up roll extrusion effect, by the lower end in feeding tube, drapery panel are set, and can utilize drapery panel after completing cloth, the outside powder in roller press material hole to be wiped off, make inside, material hole that powder be arranged and the outside does not have powder, thereby be the desirable condition of roll extrusion creation.
System for feeding aggregate into kiln provided by the present invention is provided with above-mentioned pre-pressure feeding machine, and because above-mentioned pre-pressure feeding facility have above-mentioned technique effect, the system for feeding aggregate into kiln with this pre-pressure feeding machine also should possess corresponding technique effect.
Description of drawings
Fig. 1 is the structural representation of existing roller press and feed-type thereof;
Fig. 2 is the structural representation of pre-pressure feeding machine provided by the present invention;
To be pre-pressure feeding machine shown in Figure 2 arrange the structural representation of the first drapery panel to Fig. 3 in pre-hammer front side;
Fig. 4 is the structural representation that pre-hammer rear side arranges the second drapery panel;
Fig. 5 is the first drapery panel and the schematic diagram that coordinates in roller press material hole;
Fig. 6 is that pre-pressure feeding machine provided by the present invention is arranged on the schematic layout pattern on tilting concave roller press.
In Fig. 1:
1 '. roller 2 '. material hole 3 '. hopper
In Fig. 2 to Fig. 5:
1. the hopper 2. feed hopper 2-1. feed wheel 2-2. dosing hole 3. pre-hammer 4-1. tup 4-2. of feeding tube 4. hammer handle 5. back up pad 6-1. first drapery panel 6-1-1. gap 6-2. the second cloth 7. material are cheated
In Fig. 6:
10. support roller 20. pinch roller 10-1. material are cheated the 20-1. boss
Embodiment
Core of the present invention is to provide a kind of pre-pressure feeding machine.This feeding machine can be assisted roller press reasonable Arrangement powder-material, can also carry out precompressed by the interior powder-material in feed hole simultaneously, thereby improve shaping rate and the density of pellet.
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Terms such as herein " first, second " is only for convenience of description, the different building blocks that have same names with differentiation do not represent successively or the primary and secondary relation, and are same, the term in the orientation such as " upper and lower, forward and backward " expression is based on the position relationship of accompanying drawing, is also for convenience of description.
Please refer to Fig. 2, Fig. 2 is the structural representation of pre-pressure feeding machine provided by the present invention.
In a kind of embodiment, pre-pressure feeding owner provided by the present invention will be made of several parts such as hopper 1, feed hopper 2, feed wheel 2-1, feeding tube 3, pre-hammers 4.
Feeding tube 3 is positioned at feed hopper 2 bottoms, feed hopper 2 bottoms offer some dosing hole 2-2 on the bulkhead that is positioned at feeding tube 3 scopes, the logical material amount of dosing hole 2-2 is along circumferentially reducing gradually to the right from the left side, its specific constructive form is: be positioned at that the dosing hole 2-2 in left side arranges more greatly, closeer, and that the dosing hole 2-2 that is positioned at the right side arranges is less, rarer, and feeding tube 3 is arranged with respect to the lopsidedness that the logical material amount of longitudinal center's alignment of hopper 1 reduces.
The discharge port place of feeding tube 3 is provided with pre-hammer 4, pre-hammer 4 is made of tup 4-1 and hammer handle 4-2 two portions, the afterbody of its hammer handle 4-2 is fixed on the back up pad 5 that is positioned at feeding tube 3 discharge port mid-ways, hammer handle 4-2 is made by resilient material, such as spring steel plate etc., just has the trend of resilience when crooked to a direction when hammer handle 4-2 is stressed.Certainly, want to make pre-hammer 4 to have elasticity, its hammer handle 4-2 can also be installed in rotation on back up pad 5, and in hinge point, reduction torsion spring be set, like this when pre-hammer 4 when its hinge rotates, under the elastic force effect of torsion spring, have all the time the trend of resetting.
After powder dropped down onto the cloth district of roller press, most of powder can directly enter in the material hole of roller press, and another part powder can be scattered in the zone between the material hole, if do not clear up, these powders that are scattered can have a strong impact on follow-up roll extrusion effect.
Please refer to Fig. 3, to be pre-pressure feeding machine shown in Figure 2 arrange the structural representation of the first drapery panel to Fig. 3 in pre-hammer front side.
Be scattered in the powder of expecting outside the hole in order to clear up, can set up the first drapery panel 6-1 in the front side of pre-hammer 4, the first drapery panel 6-1 parallels with the axis of feed wheel 2-1, can before precompressed, the outside powder in roller press material hole be wiped off by the first drapery panel 6-1, make inside, material hole that powder be arranged and the outside does not have powder, thereby create comparatively desirable working conditions for roller press.
Please refer to Fig. 4, Fig. 4 is the structural representation that pre-hammer rear side arranges the second drapery panel.
According to above as can be known, through after precompressed, still have a small amount of powder and be scattered in the zone of expecting outside the hole, for addressing this problem, here the second drapery panel 6-2 that parallels with the feed wheel axis in the rear side setting of pre-hammer 4, the position of the second drapery panel 6-2 tube wall near feeding tube 3 rear sides of should trying one's best be there will be no before leaving feeding tube above powder is scattered in through the material hole of striking off for the second time guaranteeing.
Above-mentioned the first drapery panel 6-1 and the second drapery panel 6-2 can have certain angle of inclination when arranging, the direction of its inclination should be complied with the direction of motion in roller press material hole, can't reversely install, in order to avoid affect the normal operation of roller press.In addition, the first drapery panel 6-1 and the second drapery panel 6-2 can adopt to have elastic metal sheet and processes, and also can adopt elastomeric material to make.
For when drapery panel strikes off operation, in cheating, material stays more powder as far as possible, can improve the first drapery panel 6-1 and the second drapery panel 6-2.
Please refer to Fig. 5, Fig. 5 is the first drapery panel and the schematic diagram that coordinates in roller press material hole.
It is the front schematic view of the first drapery panel 6-1 shown in figure, the lower edge of the first drapery panel 6-1 keeps very little spacing or directly contacts with the zone that the material of roller press is cheated between 7, which is provided with the uniform gap 6-1-1 of some spacings, it is up-small and down-big trapezoidal that these gap 6-1-1 is, corresponding one by one with the material hole 7 of roller press.Like this, when utilizing the first drapery panel 6-1 to strike off the powder of expecting outside hole 7, its gap 6-1-1 can avoid expecting to cheat the zone of 7 tops just, material is cheated in 7 can keep more powder, be conducive to squeeze out more closely knit pellet, the structure of the second drapery panel 6-2 and the first drapery panel 6-1 are basic identical.
This paper does not do restriction to the gap shape on the first drapery panel 6-1 and the second drapery panel 6-2, and other shape such as except trapezoidal, gap changes can be triangular in shape, semicircle, rectangle is all within protection scope of the present invention.
The mode of above-mentioned pre-pressure feeding machine by setting up feed hopper 2 and feeding tube 3 in the bottom of hopper 1 is to the cloth district feed of roller press, during running, at first powder in hopper 1 enters feed hopper 2, in feed hopper 2, loose powder is separated at each independently in cavity by the blade of feed wheel 2-1, and move to feed hopper 2 bottoms under the toggle action of feed wheel 2-1, then the dosing hole 2-2 from feed hopper 2 bottoms enters feeding tube 3, and falls to the cloth district of roller press in feeding tube 3.The feeding coal of the controlled powder process material of rotating speed by regulating feed wheel 2-1, quantity and the density of big or small controlled powder process material in feeding tube 3 by dosing hole 2-2 lay, as: the left side powder is closeer, the middle part and the right side powder rarer.In addition, feeding tube 3 lower ends are provided with pre-hammer 4, by pre-hammer 4, the interior loose powder in roller press material hole is pressed to a certain degree in advance before roll extrusion, and then further replenish powder after precompressed, in roll extrusion forward direction material hole, make limited extruding space hold more powder, thereby improve shaping rate and the density of pellet.
Please refer to Fig. 6, Fig. 6 is that pre-pressure feeding machine provided by the present invention is arranged on the schematic layout pattern on tilting concave roller press.
Above-mentioned pre-pressure feeding owner will support the use with tilting concave roller press, and as shown in Figure 6, tilting concave roller press mainly is made of support roller 10 and pinch roller 20 two partss.
The periphery of support roller 10 is provided with material hole 10-1, material hole 10-1 evenly distributes on support roller 10 radial and axial, namely material hole 10-1 gathers on the periphery of support roller 10 in the mode of dot matrix, keep proportional spacing between the 10-1 of material hole, its quantity can reach up to a hundred even thousands of, specifically depending on actual needs.
Pinch roller 20 is arranged in the oblique upper of support roller 10, its periphery is provided with boss 20-1, boss 20-1 evenly distributes on pinch roller 20 radial and axial, be that boss 20-1 gathers on the periphery of pinch roller 20 in the mode of dot matrix, keep proportional spacing between boss 20-1, the material on its quantity and support roller is cheated quantity and is consistent.
The discharge port of the feeding tube 3 of pre-pressure feeding machine is positioned at the cloth district of tilting concave roller press, before roller press carries out roll extrusion, the pre-pressure feeding machine not only can be assisted roller press reasonable Arrangement powder, can also carry out precompressed by the interior powder of feed hole 10-1 simultaneously, make the roll extrusion function squeeze out expeditiously the high pellet of volume density.
above-mentioned tilting concave roller press adopts the form of concavo-convex engagement to come the glass batch of roll extrusion powdery, after material hole 10-1 on its support roller 10 is covered with glass batch, when moving to the engagement position, by the glass batch in the protruding 20-1 pressing material hole 10-1 on pinch roller 20, make it be squeezed into the pellet of high-compactness in material hole 10-1, through after the roll extrusion of pinch roller 20, support roller 10 is rotated further, when material hole 10-1 is in the position that Open Side Down substantially, pellet is deviate from from the material at its place hole 10-1 and is entered subsequent processing, so move in circles, control support roller 10 and pinch roller 20 continuous operations output continuously enter the required basic pellet of kiln.
Except above-mentioned pre-pressure feeding machine, the present invention also provides a kind of system for feeding aggregate into kiln, comprise roller press, described roller press is tilting concave roller press, described tilting concave roller press is provided with above-mentioned pre-pressure feeding machine, and the discharge port of the feeding tube of described pre-pressure feeding machine is positioned at the cloth district of described tilting concave roller press.
Other structure of this system for feeding aggregate into kiln please refer to prior art, and this paper repeats no more.
Above pre-pressure feeding machine provided by the present invention and system for feeding aggregate into kiln are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (7)
1. a pre-pressure feeding machine, comprise hopper, and described feed hopper bottom is provided with feed hopper; Be provided with feed wheel in described feed hopper, described feed hopper bottom is provided with dosing hole and feeding tube; It is characterized in that, the mid-way of the discharge port of described feeding tube is provided with pre-hammer, the logical material amount of the dosing hole of described feed hopper bottom is along circumferentially reducing gradually from a side direction opposite side, and described feeding tube is arranged with respect to the lopsidedness that the logical material amount of longitudinal center's alignment of described hopper reduces.
2. pre-pressure feeding machine according to claim 1, is characterized in that, described pre-hammer is the pre-hammer of elasticity.
3. pre-pressure feeding machine according to claim 1 and 2, is characterized in that, the front side of described pre-hammer is provided with the first drapery panel that parallels with described feed wheel axis.
4. pre-pressure feeding machine according to claim 3, is characterized in that, the rear side of described pre-hammer is provided with the second drapery panel that parallels with described feed wheel axis.
5. pre-pressure feeding machine according to claim 4, is characterized in that, is equipped with the uniform gap of spacing on the lower edge of described the first drapery panel and the second drapery panel.
6. system for feeding aggregate into kiln, comprise roller press, it is characterized in that, described roller press is tilting concave roller press, described tilting concave roller press is provided with the claims 1 to the 5 described pre-pressure feeding machine of any one, and the discharge port of the feeding tube of described pre-pressure feeding machine is positioned at the cloth district of described tilting concave roller press.
7. system for feeding aggregate into kiln according to claim 6, is characterized in that, described tilting concave roller press comprises support roller and pinch roller, and the periphery of described support roller is provided with material and cheats, and the periphery of described pinch roller is provided with boss; Described pinch roller is arranged in the oblique upper of described support roller, and both cheat with boss by material and are meshed, and its boss top and material that meshes the position is cheated formation roll extrusion space between the bottom, and the front side of meshing the position is the cloth district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010294589 CN101979351B (en) | 2010-09-27 | 2010-09-27 | Prepressing feeder and system for feeding grain material in kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010294589 CN101979351B (en) | 2010-09-27 | 2010-09-27 | Prepressing feeder and system for feeding grain material in kiln |
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| Publication Number | Publication Date |
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| CN101979351A CN101979351A (en) | 2011-02-23 |
| CN101979351B true CN101979351B (en) | 2013-06-12 |
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| CN 201010294589 Expired - Fee Related CN101979351B (en) | 2010-09-27 | 2010-09-27 | Prepressing feeder and system for feeding grain material in kiln |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230142A (en) * | 2013-06-21 | 2014-12-24 | 上海一鼎重型矿山设备制造有限公司 | Granulating production line of glass batch mixtures |
| CN105601086B (en) * | 2015-12-25 | 2017-12-26 | 重庆市三星精艺玻璃有限公司 | The adjustable granulating device of shim |
| CN105621855B (en) * | 2015-12-25 | 2018-02-13 | 重庆强大巴郡知识产权服务有限公司 | Granulation machine with self-cleaning function |
| CN106517733B (en) * | 2016-11-02 | 2019-02-19 | 重庆市合川区金星玻璃制品有限公司 | Compaction apparatus for glass raw material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549269A (en) * | 2009-05-11 | 2009-10-07 | 南京三普造粒装备有限公司 | Double-roller type extruding and granulation device and granulation process flow thereof |
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2010
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549269A (en) * | 2009-05-11 | 2009-10-07 | 南京三普造粒装备有限公司 | Double-roller type extruding and granulation device and granulation process flow thereof |
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