CN114277592A - Fluid state material crusher - Google Patents
Fluid state material crusher Download PDFInfo
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- CN114277592A CN114277592A CN202111573187.0A CN202111573187A CN114277592A CN 114277592 A CN114277592 A CN 114277592A CN 202111573187 A CN202111573187 A CN 202111573187A CN 114277592 A CN114277592 A CN 114277592A
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- 239000000463 material Substances 0.000 title claims abstract description 98
- 239000012530 fluid Substances 0.000 title claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000010298 pulverizing process Methods 0.000 claims description 50
- 230000009471 action Effects 0.000 claims description 19
- 238000010008 shearing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 4
- 239000002551 biofuel Substances 0.000 abstract description 4
- 239000010902 straw Substances 0.000 abstract description 3
- 210000003608 fece Anatomy 0.000 abstract description 2
- -1 feces Substances 0.000 abstract description 2
- 238000000855 fermentation Methods 0.000 abstract description 2
- 239000010806 kitchen waste Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Crushing And Pulverization Processes (AREA)
Abstract
The invention provides a fluid state material crusher, comprising: a crushing mechanism; the crushing mechanism includes: a crushing chamber, a crushing rotor; the crushing cavity is provided with a feed inlet (6) and a discharge outlet (7); the crushing rotor rotates in the crushing chamber; after entering the crushing chamber from the feeding hole (6), the fluid state material can pass through the crushing rotor and be discharged from the discharging hole (7). The invention can be applied to the field of biogas, and can be used for pretreating biofuel such as plant straws, feces, kitchen waste and the like in a fluid state, crushing the biofuel material in the fluid, and the crushed fluid is suitable for anaerobic fermentation of biogas.
Description
Technical Field
The invention relates to the field of crushers, in particular to a crusher for materials in a fluid state.
Background
Most of crushers in the prior art are designed for brittle, hard and low water content, the water content generally cannot exceed 10%, once the water content exceeds 10%, the crushers cannot operate, and tough, soft and fibrous materials cannot be treated.
For example, patent document CN205109753U provides a pulverizer including an upper body and a lower body fixed up and down, the upper portion of the upper body is provided with at least one feeding hole, a pulverizing chamber of the upper body is provided with at least one rotor and at least two sieve sheets, the sieve sheets surround the rotor and are communicated with the feeding hole, and a material baffle plate is arranged below the pulverizing chamber and located between the two sieve sheets. This rubbing crusher is through setting up the striker plate in the below of smashing the room for part material and striker plate strike, form the indiscriminate stream of mutual striking, can destroy the formation of commodity circulation ring, thereby improve crushing efficiency.
However, the patent document CN205109753U is not suitable for crushing fluid materials such as straw in industrial scenes.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a pulverizer for fluid materials.
According to the invention, the pulverizer for the fluid state material comprises: a crushing mechanism;
the crushing mechanism includes: a crushing chamber, a crushing rotor;
the crushing cavity is provided with a feed inlet 6 and a discharge outlet 7;
the crushing rotor rotates in the crushing chamber;
after entering the crushing chamber from the feed inlet 6, the fluid state material can pass through the crushing rotor and be discharged from the discharge outlet 7.
Preferably, the method further comprises the following steps: a screen mechanism;
the screen mechanism is arranged in the crushing chamber;
after entering the crushing chamber from the feed inlet 6, the fluid state material firstly passes through the crushing rotor and then passes through the screen mechanism and is discharged from the discharge outlet 7.
Preferably, the method further comprises the following steps: a power mechanism and a transmission mechanism;
the motor mechanism drives the crushing rotor to rotate in the crushing chamber through the transmission mechanism.
Preferably, the number of the pulverizing rotors is one or the number of the pulverizing rotors is plural;
at least two of the pulverizing rotors are meshed to rotate in opposite directions.
Preferably, the material in a fluid state is sheared by frictional collision with the pulverizing rotor while passing through the pulverizing rotor.
Preferably, in the crushing chamber, the fluid state material is agitated by the crushing rotor to form a fluid flow speed difference, and shear is formed on the fluid state material.
Preferably, the material in the fluid state is sheared by frictional impact with the screen mechanism.
Preferably, the material in fluid state is sheared by the meshing of the two crushing rotors when passing through the meshing between the two crushing rotors rotating in opposite directions.
Preferably, the method is suitable for crushing fluid materials with the solid content of less than or equal to 10%.
Preferably, the rotation speed of the pulverizing rotor can be adjusted;
by increasing the rotating speed of the crushing rotor, the shearing action of the crushing rotor can be reduced, and the brooming action is improved;
by reducing the rotational speed of the pulverizing rotor, the shearing action of the pulverizing rotor can be increased and the brooming action reduced.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can be applied to the field of biogas, and can be used for pretreating biofuel such as plant straws, feces, kitchen waste and the like in a fluid state, crushing the biofuel material in the fluid, and the crushed fluid is suitable for anaerobic fermentation of biogas.
2. The whole set of equipment has compact structure, small volume and light weight. The rotary crushing mode of the invention not only reduces the cost, but also is convenient to operate, and the continuous operation of the processing procedure is realized, and the energy consumption of the processing procedure is reduced.
3. The invention forms shearing by the friction and collision between the rotor mechanism and the screen mechanism and the material, and forms liquid shearing by the stirring between the rotor mechanism and the screen mechanism and the fluid. The material is fluid in a suitable material state, has the solid content of below 10 percent, and is high in viscosity, high in humidity, small in brittleness, soft in texture and fibrous materials which cannot be crushed by a traditional crusher for crushing soft materials, fibrous materials and the like; while consuming less power.
4. The invention has the capabilities of crushing and defibering, can refine materials and accelerate methane reaction, enables the materials to react more fully and completely and obtains more methane.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall structure of the pulverizer.
FIG. 2 is a second schematic view of the overall structure of the pulverizer.
FIG. 3 is a schematic diagram of the overall top view of the pulverizer.
Fig. 4 is a rear view schematically showing the whole structure of the pulverizer.
FIG. 5 is a schematic view of the overall structure of the pulverizer.
FIG. 6 is a left side view of the whole structure of the pulverizer.
Fig. 7 is a schematic view of the structure of the inside of the pulverizing chamber.
Figure 8 is one of the schematic structural views of a rotor head of a cluster tool.
Figure 9 is a second schematic view of a tool head of a modular rotor.
Fig. 10 is a left side view of the combined rotor cutter head.
Figure 11 is a schematic front view of a rotor head of a cluster tool.
Figure 12 is a rear view of a tool head of a cluster rotor.
Fig. 13 is a perspective view of an integrated rotor disk.
Fig. 14 is a second perspective view of the integrated rotor head.
Fig. 15 is a schematic front view of an integrated rotor cutter head.
Fig. 16 is a rear view of the integrated rotor disk.
Fig. 17 is a schematic view of the structure of the rotor wheel.
Fig. 18 is a schematic view of the structure of the pulverizing rotor.
Fig. 19 is a schematic perspective view of the combination screen mechanism.
Fig. 20 is a schematic structural view of a screen deck frame of the screen mechanism.
Fig. 21 is a schematic structural view of a combination screen mechanism.
Fig. 22 is a schematic structural view of an integrated screen mechanism.
Fig. 23 is a schematic view of the overall structure of the transmission mechanism.
FIG. 24 is a schematic view showing the structure of a meshing combination of two pulverizing rotors.
FIG. 25 is a schematic view of the pulverizing rotor and the transmission mechanism.
The figures show that:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1 to 6, the present invention provides a fluid material pulverizer, including: a crushing mechanism; the crushing mechanism includes: a crushing chamber, a crushing rotor; the crushing cavity is provided with a feed inlet 6 and a discharge outlet 7; the crushing rotor rotates in the crushing chamber; after entering the crushing chamber from the feed inlet 6, the fluid state material can pass through the crushing rotor and be discharged from the discharge outlet 7.
The pulverizing mechanism will be specifically described below. As shown in fig. 7-18.
The crushing rotor includes: rotor cutter head 14, rotor impeller 15 and main shaft 24; the rotor cutter head 14, the rotor impeller 15 and the main shaft 24 are connected in sequence; the crushing rotor is positioned on a passage from the feed inlet 6 to the discharge outlet 7; an included angle is formed between the axial direction of the crushing rotor and the height direction of the crushing chamber. The rotor disc 14 includes: a rotor seat 1401, a rotor blade bar 1402 and an impeller connecting seat 1404; a plurality of rotor bars 1402 distributed along the circumferential direction are connected between the inner side of the rotor seat 1401 and the inner side of the impeller connecting seat 1404; the outside of the impeller attachment base 1404 is attached to the inside of the rotor impeller 15. The rotor disc 14 includes: a rotor connecting seat 1403; both ends of the rotor blade bar 1402 are connected to the inside of the rotor holder 1401, the inside of the wheel coupling holder 1404, respectively, by respective rotor coupling holders 1403. In the radial direction, the friction end face 14022 of the rotor blade 1402 protrudes to extend to a position radially outward of the rotor seat 1401 and/or the impeller attachment seat 1404; the friction end face 14022 is a face facing in a radially outward direction. The rotor blade 1402 has two oppositely disposed friction collision surfaces 10421; the friction collision surface 10421 is a surface facing in the circumferential direction. The inner side of the rotor impeller 15 is connected with a rotor cutter head 14; the outer side of the rotor impeller 15 is provided with a raised stirring blade 1501; the agitating blade 1501 has an agitating face perpendicular to the circumferential direction. The number of the crushing rotors is one or more; at least two of the pulverizing rotors are meshed to rotate in opposite directions. The side surface of the crushing chamber is a detachable front panel 1; the rotor base 1401 is a ring structure, and the rotor base 1401 is located between the front panel 1 and the impeller connecting base 1404.
The pulverizing mechanism will be specifically described below by way of more preferable examples.
The rotor disk 14 may be a one-piece component, as shown in FIG. 14. The rotor cutter head 14 can also be a combined component, as shown in fig. 9, and the rotor blade bars 1402 can be detachably connected with other components for convenient replacement. The axial direction of the crushing rotor and the height direction of the crushing chamber form a right-angle included angle of 90 degrees. The plurality of rotor bars 1402 are evenly distributed in the circumferential direction. The friction end face 14022 of the rotor blade 1402 collides and rubs with the fluid state material. The friction end face 14022 is a flat face facing in a radially outward direction. A friction impact surface 10421; the friction collision surface 10421 is a flat surface facing the circumferential direction, the friction collision surface 10421 is engaged with the friction end surface 14022, and a portion of the friction collision surface 10421, which is close to the friction collision surface 10421, protrudes in the radial direction and extends to a position radially outward of the rotor seat 1401 and/or the impeller connecting seat 1404. The friction collision surface 10421 collides with and rubs against the fluid material. The rotor bars 1402 agitate the material in a fluid state and the agitating blades 1501 of the rotor wheel 15 agitate the material in a fluid state creating a fluid flow velocity differential in the grinding chamber which creates shear to the material in a fluid state. The number of the agitating blades 1501 is one or more. The number of rotor bars 1402 is larger than the number of agitating blades 1501, and the number of rotor bars 1402 is a non-integral multiple of the number of agitating blades 1501. When the fluid state material passes through the meshing position between the two crushing rotors which are meshed and rotate reversely, the material is meshed and sheared by the two crushing rotors; two crushing rotors rotating in opposite directions are meshed to synchronously rotate outwards. The motor 25 drives the main shaft 24, which rotates the pulverizing rotor. The two crushing rotors have the same structure and size. In smashing the cavity, the top feeding, the bottom ejection of compact exists the clearance non-contact between smashing the rotor and the screen cloth mechanism of below, cuts the collision jointly and smashes the material, and the clearance that fine material passes through screen cloth mechanism flows out, and coarse material is stayed temporarily and is smashed in the cavity, flows out after smashing to fine material. The crushing rotor is mainly responsible for mechanical shearing crushing, mechanical impact crushing and secondary stirring water flow action. When the rotor cutter head 14 and/or the rotor impeller 15 of the crushing rotor agitates water flow, the motion posture of material fibers in the fluid can be changed, so that the posture of the material fibers is unstable, and the shearing is more sufficient; flow speed difference is formed when water flow is stirred, material fiber substances in the fluid are torn to be broken, and the effect is more obvious when the material fibers are longer.
The front panel 1 will be specifically described below. As shown in fig. 1 and 7.
The crushing chamber is formed inside the crushing chamber box body 2; the top surface of the crushing chamber box body 2 is provided with a feeding hole 6; a discharge port 7 is arranged on the bottom surface of the crushing chamber box body 2; the side surface of the crushing chamber box body 2 is provided with a front panel 1; the crushing chamber box body 2 is detachably connected with the front panel 1; when the front panel 1 is hermetically installed on the crushing chamber box body 2, the front panel 1 covers the crushing rotor; after the front panel 1 is detached from the crushing chamber box 2, the crushing rotor is exposed to view. The screen mechanism is arranged in the crushing chamber; the screen mechanism is positioned between the crushing rotor and the discharge hole 7; when the front panel 1 is hermetically arranged on the crushing chamber box body 2, the front panel 1 covers the screen mechanism; after the front panel 1 is detached from the crushing chamber box 2, the screen mechanism is exposed to view. After the front panel 1 is detached and separated from the crushing chamber box 2, the gap between the crushing rotor and the inner wall of the crushing chamber is exposed and visible in the horizontal direction. After the front panel 1 is detached and separated from the crushing chamber box 2, the gap between the crushing rotor and the screen mechanism is exposed and visible in the horizontal direction, and the gap between the screen mechanism and the inner wall of the crushing chamber is exposed and visible in the horizontal direction. The number of the crushing rotors is multiple; at least two crushing rotors in the crushing rotors are meshed to synchronously rotate in opposite directions; after the front panel 1 is detached and separated from the pulverizing chamber casing 2, the engaged position between the two pulverizing rotors which are engaged to rotate synchronously and reversely is exposed and visible in the horizontal direction. The crushing rotor includes: rotor cutter head 14, rotor impeller 15 and main shaft 24; the rotor cutter head 14, the rotor impeller 15 and the main shaft 24 are connected in sequence; the axial direction of the rotor disc 14 is parallel to the horizontal direction and perpendicular to the front panel 1. The rotor disc 14 includes: a rotor seat 1401, a rotor blade bar 1402 and an impeller connecting seat 1404; a plurality of rotor bars 1402 distributed along the circumferential direction are connected between the inner side of the rotor seat 1401 and the inner side of the impeller connecting seat 1404; the outer side of the impeller connecting seat 1404 is connected with the inner side of the rotor impeller 15; the rotor seat 1401 is a ring structure, and the rotor seat 1401 is positioned between the front panel 1 and the impeller connecting seat 1404; after the front panel 1 is detached and separated from the pulverization chamber box 2, the rotor base 1401 is exposed and visible in a horizontal direction. When the front panel 1 is detached and separated from the pulverization chamber box body 2, the impeller connecting seat 1404 is connected with the operating end of the fastener of the rotor impeller 15, and is exposed and visible in the horizontal direction through the hollow-out in the annular structure of the rotor seat 1401. The screen mechanism is arranged on the bottom wall of the crushing chamber through a slide rail; after the front panel 1 is detached and separated from the crushing chamber box body 2, the whole or a part of the screen mechanism can move to the outside of the crushing chamber along the slide rail; the screen mechanism is moved to the upper surface of the portion outside the pulverization chamber, and is exposed and visible in a plan view direction.
The front panel 1 will be specifically described below by way of more preferable examples.
As shown in fig. 7, the material that is not discharged from the pulverizing chamber may be jammed in the following positions: in the gap between the crushing rotor and the screen mechanism, above the meshing position between two crushing rotors which mesh to rotate synchronously and reversely, above the two ends of the screen plate frame 1601, and in the gap between the crushing rotor and the side wall of the crushing chamber. Accordingly, there is a need for structures that provide for easy cleaning. When the front panel 1 on the side is opened, the jam positions are exposed in the horizontal direction, and the jammed materials can be taken out in the horizontal direction without disassembling the crushing rotor and the screen mechanism. Furthermore, the whole or a part of the screen mechanism moves to the outside of the crushing chamber along the slide rail, so that the materials intercepted by the screen mechanism can be cleaned more conveniently. Further, when the crushing rotor needs to be replaced, for example, when the crushing blade bar needs to be replaced, the impeller connecting seat 1404 is connected with the operating end of the fastener of the rotor impeller 15, and is exposed and visible in the horizontal direction through the hollow in the annular structure of the rotor seat 1401, so that the disassembling work can be passed through the hollow in the annular structure of the rotor seat 1401 from the horizontal direction to reach the operating end of the fastener connected with the rotor impeller 15, for example, the fastener is a screw, and the operating end of the screw is a cross groove, a straight groove, a hexagonal groove, a nut or the like. Therefore, the front panel 1 can be easily disassembled for inspection at the time of maintenance. The front panel and the rear panel are both in sealing connection, so that leakage of fluid state materials is prevented.
The fluid state material pulverizer further comprises: a screen mechanism; the screen mechanism is arranged in the crushing chamber; after entering the crushing chamber from the feed inlet 6, the fluid state material firstly passes through the crushing rotor and then passes through the screen mechanism and is discharged from the discharge outlet 7.
The screen mechanism will be described in detail below. As shown in fig. 19-22.
A screen mechanism comprising: a screen panel 16; the screen plate 16 includes: a screen frame 1601, screen bars 1602; a plurality of screen plate screen bars 1602 are arranged on the screen plate frame 1601, and gaps are formed among the screen plate screen bars 1602; the groove of the screen plate frame 1601 forms a rotor accommodating space 160; the screen bars 1602 have two oppositely disposed friction impact surfaces. The two ends of the screen deck frame 1601 form screen deck adjustment ends 1603, wherein the screen deck adjustment ends 1603 are the ends that cooperate with adjusting screen deck tensioning nuts 9. The groove surface of the groove of the screen plate frame 1601 is a concave arc surface. The bottom of the screen deck frame 1601 is a flat placing surface 16011, wherein convex arc surfaces 16012 extend from two sides of the flat placing surface 16011 respectively. The screen deck frame 1601 has two grooves; the junction of the two grooves is lower than the two ends of the screen frame 1601. The screen mechanism extends from a position between the crushing rotor and the middle of the side wall of the crushing chamber to a position between the crushing rotor and the bottom wall of the crushing chamber. The gap between the crushing rotor and the front part of the upper part of the side wall of the crushing chamber is larger than the gap between the crushing rotor and the screen mechanism; the gap between the crushing rotor and the top wall of the crushing chamber is larger than the gap between the crushing rotor and the screen mechanism. The opposite side walls at the two sides of the crushing chamber are respectively provided with a tensioning nut 9 of the adjusting sieve plate in a penetrating way; the adjusting screen plate tensioning nuts 9 on the opposite side walls on the two sides respectively abut against screen plate adjusting ends 1603 formed at the two ends of the screen plate frame 1601 to clamp the screen plate frame 1601; a flat placement surface 16011 at the bottom of the screen plate frame 1601 is attached to the bottom wall of the pulverization chamber; the screen plate frame 1601 is attached to the lower portion of the side wall of the pulverization chamber by convex arc surfaces 16012 extended from both sides of the flat placement surface 16011. In a variation, the screen deck frame 1601 may be mounted on a slide rail.
The screening mechanism is described in more detail below by way of more preferred examples.
The sieve plate screen bars 1602 have two friction collision surfaces arranged opposite to each other, and collide and rub with the fluid state material to shear the fluid state material and stir the passing fluid state material simultaneously. The width of the gaps between the screen deck bars 1602 is smaller than the width of the gaps before the crushing blades 1402 of the crushing rotor. The crushing mechanism plays a main crushing role, the screen mechanism plays an auxiliary crushing role, the screen mechanism plays a role in filtering materials, and the materials with the crushing degree not meeting the requirements are temporarily left in the crushing chamber. The screen mechanism is pressed from two ends in the horizontal direction by adjusting the screen plate tensioning nut 9, and a rubber strip is arranged between two ends of the screen mechanism and the screen plate tensioning nut 9 to play a role in buffering and damping.
The fluid state material pulverizer further comprises: a power mechanism and a transmission mechanism; the motor mechanism drives the crushing rotor to rotate in the crushing chamber through the transmission mechanism.
The transmission mechanism will be specifically described below. As shown in fig. 23-25.
The power mechanism comprises: and a motor 25. The motor 25 is scheduled by means of a frequency converter. The transmission mechanism includes: coupler 12, gear 23. The motor 25 is connected with a main shaft 24 of a crushing mechanism through the coupling 12, and the gear 23 on the main shaft 24 drives the main shafts of other crushing mechanisms to synchronously and reversely rotate outwards through gear transmission. The crushing chamber is formed by the inside of the crushing chamber casing 2. The crushing chamber box body 2, the mechanical seal box body 3, the supporting box body 4 and the gear box body 5 are connected in sequence. A mechanical sealing element 20 sleeved on a main shaft 24 is arranged in the mechanical sealing box body 3, the mechanical sealing box body 3 contains the mechanical sealing element 20, and the mechanical sealing box body 3 is vertically provided with holes for cleaning and overhauling. The supporting box body 4 is internally provided with a front bearing seat plate 21 and a rear bearing seat plate 22 which are sleeved on the main shaft 24, the supporting box body 4 is a main supporting part and plays a role of supporting the main shaft 24, and the supporting box body 4 is provided with ventilation holes and heat dissipation holes. The gearbox housing 5 houses a gearbox comprising a plurality of gears 23. The gear 23 in the gear box body 5 is sleeved on the gear on the main shaft 24, and the gears synchronously rotate outwards. The back panel is attached to a mechanical seal 20. The main shaft 24 penetrates through the mechanical seal box body 3, the support box body 4 and the gear box body 5.
The number of the crushing rotors is one or more; at least two of the pulverizing rotors are meshed to rotate in opposite directions. When the fluid material passes through the crushing rotor, the fluid material is sheared by the friction and collision with the crushing rotor. In the crushing chamber, the fluid state material is stirred by the crushing rotor to form a fluid flow speed difference, and shear is formed on the fluid state material. The fluid material is sheared by the friction collision with the screen mechanism. When the fluid state material passes through the meshing position between the two crushing rotors which are meshed and rotate reversely, the material is meshed and sheared by the two crushing rotors.
The pulverizer for the fluid state materials is suitable for pulverizing the fluid state materials with the solid content of less than or equal to 10 percent. The rotating speed of the crushing rotor can be adjusted; by increasing the rotating speed of the crushing rotor, the shearing action of the crushing rotor can be reduced, and the brooming action is improved; by reducing the rotational speed of the pulverizing rotor, the shearing action of the pulverizing rotor can be increased and the brooming action reduced. For example, the pulverizing rotors have different effects at different rotational speeds: at 1200rpm, mainly shear; at 1500rpm, the shearing action is equivalent to the brooming action; at 1800rpm, mainly brooming; at 2100rpm, the thinning brooming effect was greatest. Fibrillation refers to the phenomenon that fiber cell walls are fluffed, torn, split and the like after pulping in pulping and papermaking.
The control method of the fluid state material crusher comprises the following steps: inputting the material in a fluid state into a crushing chamber; passing the fluid material through a rotating pulverizing rotor; discharging the fluid material after passing through the rotating crushing rotor from the crushing chamber. Specifically, before the fluid material is discharged from the crushing chamber, the fluid material passing through the rotating crushing rotor is screened by the screen mechanism, and then the screened fluid material passing through the screen mechanism is discharged from the crushing chamber. In the step of passing the fluid-state material through the rotating pulverizing rotors, the fluid-state material is caused to mesh with a mesh between the two pulverizing rotors rotating in opposite directions. When the fluid material passes through the crushing rotor, the fluid material is sheared by the friction and collision with the crushing rotor. A fluid flow velocity differential is created in the pulverizing chamber, which creates shear to the material in the fluid state. In the crushing chamber, the fluid state material is stirred by the crushing rotor to form a fluid flow speed difference, and shear is formed on the fluid state material. The fluid material is sheared by the friction collision with the screen mechanism. When the fluid state material passes through the meshing position between the two crushing rotors which are meshed and rotate reversely, the material is meshed and sheared by the two crushing rotors. Adjusting the rotational speed of the pulverizing rotor; the shearing action of the crushing rotor is reduced and the brooming action is improved by increasing the rotating speed of the crushing rotor; alternatively, the shearing action of the pulverizing rotor is increased and the brooming action is decreased by reducing the rotational speed of the pulverizing rotor.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A pulverizer for material in a fluid state, comprising: a crushing mechanism;
the crushing mechanism includes: a crushing chamber, a crushing rotor;
the crushing cavity is provided with a feed inlet (6) and a discharge outlet (7);
the crushing rotor rotates in the crushing chamber;
after entering the crushing chamber from the feeding hole (6), the fluid state material can pass through the crushing rotor and be discharged from the discharging hole (7).
2. The pulverizer of fluid state materials according to claim 1, characterized by further comprising: a screen mechanism;
the screen mechanism is arranged in the crushing chamber;
after entering the crushing chamber from the feeding hole (6), the fluid state material firstly passes through the crushing rotor and then passes through the screen mechanism and is discharged from the discharging hole (7).
3. The pulverizer of fluid state materials according to claim 1, characterized by further comprising: a power mechanism and a transmission mechanism;
the motor mechanism drives the crushing rotor to rotate in the crushing chamber through the transmission mechanism.
4. The pulverizer of fluid state materials according to claim 1, characterized in that the number of pulverizing rotors is one or the number of pulverizing rotors is plural;
at least two of the pulverizing rotors are meshed to rotate in opposite directions.
5. The pulverizer of fluid state material according to claim 1, wherein the fluid state material is sheared by frictional collision with the pulverizing rotor while passing through the pulverizing rotor.
6. The pulverizer of fluid state materials according to claim 1, wherein in the pulverizing chamber, the fluid state materials are agitated by the pulverizing rotor to form a fluid flow velocity difference, which forms shear to the fluid state materials.
7. The pulverizer of fluid state material according to claim 2, wherein the fluid state material is sheared by frictional collision with the screen mechanism.
8. The pulverizer of fluid state material according to claim 4, wherein the fluid state material is sheared by engagement of the two pulverizing rotors while passing through the engagement between the two pulverizing rotors rotating in opposite directions of engagement.
9. The pulverizer for fluid state materials according to claim 1, being adapted to pulverize fluid state materials having a solid content of 10% or less.
10. The pulverizer of fluid state materials according to claim 1, characterized in that the rotation speed of the pulverizing rotor is adjustable;
by increasing the rotating speed of the crushing rotor, the shearing action of the crushing rotor can be reduced, and the brooming action is improved;
by reducing the rotational speed of the pulverizing rotor, the shearing action of the pulverizing rotor can be increased and the brooming action reduced.
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| CN114277592B (en) | 2024-01-26 |
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