CN209753050U - Double-crushing-chamber spiral blade type biomass straw ultrafine crushing device - Google Patents
Double-crushing-chamber spiral blade type biomass straw ultrafine crushing device Download PDFInfo
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- CN209753050U CN209753050U CN201920502402.XU CN201920502402U CN209753050U CN 209753050 U CN209753050 U CN 209753050U CN 201920502402 U CN201920502402 U CN 201920502402U CN 209753050 U CN209753050 U CN 209753050U
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Abstract
A double-crushing chamber spiral blade type biomass straw ultrafine crushing device belongs to the technical field of biomass energy utilization. The utility model provides a current straw reducing mechanism can't compromise the problem of production efficiency and energy consumption when smashing out superfine straw powder. The innovation points are as follows: the upper crushing barrel and the lower crushing barrel are arranged up and down, the upper crushing barrel and the lower crushing barrel are communicated, two groups of crushing cutters are coaxially and rotatably arranged in the upper crushing barrel and the lower crushing barrel, and cutter shafts of the two groups of crushing cutters are respectively provided with a small belt wheel; an output shaft of the crushing motor is connected with a main shaft through an elastic coupling, a large belt wheel is fixedly arranged on the main shaft, and two small belt wheels are respectively connected with the large belt wheel through a belt; the crushing cutter comprises a cutter shaft and crushing blades spirally and linearly arranged on the cutter shaft, and the blade surfaces of the crushing blades and the cross section of the cutter shaft form an included angle of 20 degrees. The utility model discloses the productivity reaches 570kg/h to can smash out 300 mesh straw superfine powder, be used for straw class living beings to smash.
Description
Technical Field
the utility model relates to a living beings straw superfine grinding device, concretely relates to two crushing room spiral blade formula living beings straw superfine grinding device belongs to living beings energy utilization technical field.
Background
China is a big agricultural country from ancient to present, a large amount of straws are produced while a large amount of grains are produced every year, and due to the fact that straw recycling technology is immature, an industrial chain is underdeveloped, a large amount of straws cannot be recycled, resource waste is caused, and environment and land pollution is caused. After the straw is subjected to ultrafine grinding, the high added value utilization can be realized, the straw is not only limited to low added value utilization areas such as heat supply and feed, and the pressure of various industries on wood powder requirements can be greatly reduced, so that the purposes of saving resources and protecting the environment are achieved.
Nowadays, more and more people are aware of this point, straw micronizing devices of different structures and pulverization modes are developed, such as:
1. The patent number of the applicant is 201710092333.5 of Taiyuan university, the patent name is an extrusion layer crushing and grinding type ultrafine grinding device, wherein the main working principle is that ultrafine grinding is carried out by a grinding disc and a grinding cylinder, and a large amount of materials with large particle size difference can be successfully crushed at one time; the grinding is generally suitable for non-fiber materials such as peanuts and the like, and when the grinding is used for crushing straws, the problems of low efficiency and high energy consumption exist, and because the grinding mechanism is a three-stage grinding mechanism, the power consumption is high and the loss is easy.
2. the applicant is Zhejiang south magnetism actual industry gmbh, and patent number is 201820736392.1, and the patent name is an air current grinds superfine reducing mechanism, and its cutting blade I, cutting blade II and the volume of cutting blade III reduce in proper order, smash to the junk of equidimension not, and the impact of adoption air current and the cutting action of blade smash the raw materials, have the problem that the energy consumption is big, inefficiency.
At present, research and development personnel are always dedicated to research on the problems of superfine straw crushing particle size and production efficiency, and until the technical development, how to crush 300-mesh superfine straw powder is a new subject faced by research and development personnel in the field while considering production efficiency and reducing energy consumption when crushing superfine straw powder is no longer the key point of research and development. Therefore, a low-energy-consumption high-efficiency straw ultrafine grinding device is needed to be designed.
SUMMERY OF THE UTILITY MODEL
A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.
In view of this, in order to solve the problem that present straw reducing mechanism can't compromise production efficiency and energy consumption when smashing out superfine straw powder, and then the utility model provides a two spiral blade formula living beings straw superfine reducing mechanism that smash room, this straw superfine reducing mechanism are under equal energy consumption, and the productivity reaches 570kg/h and can smash out 300 mesh straw superfine powder.
The scheme is as follows: a double-crushing chamber spiral blade type biomass straw ultrafine crushing device comprises a supporting and positioning frame, an upper crushing barrel, a small belt wheel, a belt, a large belt wheel, a main shaft, an elastic coupling, a crushing motor, a rack, a crushing cutter, a lower crushing barrel and an upper and lower crushing barrel connecting barrel;
the upper crushing barrel and the lower crushing barrel are arranged up and down, a lower discharge port of the upper crushing barrel is communicated with an upper feed port of the lower crushing barrel through an upper crushing barrel and a lower crushing barrel connecting barrel, the upper crushing barrel and the lower crushing barrel are arranged on the frame through a supporting and positioning frame, two groups of crushing cutters are coaxially and rotatably arranged in the upper crushing barrel and the lower crushing barrel, and cutter shafts of the two groups of crushing cutters are respectively provided with a small belt wheel; the crushing motor is arranged on the frame, an output shaft of the crushing motor is connected with the main shaft through an elastic coupling, a large belt wheel is fixedly arranged on the main shaft, and the two small belt wheels are respectively connected with the large belt wheel through belts; the crushing cutter comprises a cutter shaft and crushing blades spirally and linearly arranged on the cutter shaft, and the blade surfaces of the crushing blades and the cross section of the cutter shaft form an included angle of 20 degrees.
Further: the supporting and positioning frame is provided with an upper fixing hole and a lower fixing hole, the upper crushing barrel is arranged in the upper fixing hole, and the upper crushing barrel and the lower crushing barrel are in interference fit; the lower crushing barrel is arranged in the lower fixing hole and is in interference fit with the lower fixing hole. So set up, guarantee the stability of mechanism.
Further: the supporting and positioning frames are divided into two groups, and the two groups of supporting and positioning frames are arranged in parallel from left to right. So set up, the mechanism is more stable.
further: the supporting and positioning frame is fixed on the rack through a rigid spring and an air spring, the rigid spring and the air spring form a pair of elastic assemblies in pairs, and four pairs of elastic assemblies are symmetrically arranged on the rack; each group of supporting and positioning frames is elastically connected with the frame through two pairs of elastic components. The rigid spring and the air spring between the rack and the supporting and positioning frame are designed, so that the vibration generated during crushing can be effectively avoided, the noise is reduced, and the equipment is protected from being damaged.
Further: the included angle of the cutting edge of the cross section of each crushing blade is 5 degrees, and the sizes of the adjacent blades are different. Is convenient for cutting and crushing the straws.
further: the crushing cutters are mounted on cover plates at two ends of the upper crushing barrel and the lower crushing barrel through radial thrust bearings, and each cover plate is fixed at two ends of the upper crushing barrel and the lower crushing barrel through bolts respectively.
further: the elastic coupling comprises a plurality of elastic sheets and two shaft sleeves, the two shaft sleeves are coaxially and symmetrically arranged, the elastic sheets are arranged around a shaft sleeve shaft line in a ring-shaped array and connected between the two shaft sleeves through bolts, an output shaft of the crushing motor is fixed in one shaft sleeve, and the main shaft is fixed in the other shaft sleeve.
Further: the screw-in direction of the crushing cutter in the upper crushing barrel is leftward, and the screw-in direction of the crushing cutter in the lower crushing barrel is rightward.
The utility model discloses the effect that reaches does:
1) A spiral blade type crushing mode suitable for the characteristics of fibrous materials is adopted;
2) The crushing blades which are arranged in a spiral linear mode and inclined at an angle of 20 degrees and provided with the cutting edges have better crushing effect, the requirements on the crushing ratio are reduced, 300-mesh superfine straw powder is crushed, the crushing efficiency is improved by the combined action of a crushing mode and a device transmission mode which are connected in series, and the capacity reaches 570 kg/h;
3) The double-material-barrel crushing device has the advantages that the crushing chamber connecting structure with the upper crushing barrel and the lower crushing barrel connected in series is adopted, and double-material-barrel crushing is adopted, so that the crushing time can be greatly saved, the yield is improved, the crushing efficiency is improved, and the straw can be crushed more fully;
4) the two small belt wheels are driven to rotate by the large belt wheel, so that the crushing cutter is driven to rotate to crush the straws, the crushing structure is simplified and optimized, and the energy consumption is reduced;
5) The rigid spring and the air spring between the rack and the supporting and positioning frame are designed, so that the vibration generated during crushing is effectively avoided, the noise is reduced, the equipment is protected from being damaged, the working noise is only 30 decibels, and the idling noise is 26 decibels;
6) one motor drives two crushing mechanisms to rotate simultaneously, and the crushing device is simple in structure and high in energy efficiency ratio.
Drawings
FIG. 1 is a perspective view of a double-crushing chamber spiral blade type straw ultrafine crushing device of the utility model;
FIG. 2 is a front view of the double-crushing chamber spiral blade type straw ultrafine crushing device of the utility model;
3 FIG. 33 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 32 3; 3
FIG. 4 is a partial sectional view of a double-crushing chamber spiral blade type straw ultrafine crushing device of the utility model;
Fig. 5 is a perspective view of the frame of the present invention;
fig. 6 is a perspective view of the crushing cutter of the present invention;
FIG. 7 is a front view of the crushing cutter of the present invention;
FIG. 8 is a side view of the crushing cutter of the present invention;
FIG. 9 is a perspective view of the grinding cylinder of the present invention;
Fig. 10 is a perspective view of the supporting and positioning frame of the present invention;
fig. 11 is a perspective view of the rigid spring of the present invention;
Fig. 12 is a perspective view of an air spring of the present invention;
Fig. 13 is a perspective view of the elastic coupling of the present invention;
Fig. 14 is a front view of the elastic coupling of the present invention;
Fig. 15 is a side view of the elastic coupling of the present invention.
in the figure: 1-supporting a positioning frame; 2, putting a crushing cylinder; 3-boss; 5-small belt wheel; 6-a belt; 7-big belt wheel; 8-a main shaft; 9-an elastic coupling; 10-a crushing motor; 11-a frame; 12-a crushing cutter; 14-an air spring; 15-a spring; 16-lower a grinding cylinder; 17-a crushing blade; 18-a radial thrust bearing; 21-cutter shaft; 22-upper fixing holes; 23-lower fixation holes; 24-upper and lower grinding cylinder connecting cylinders; 28-a discharge port is arranged below the upper crushing cylinder; 29-upper feed inlet of lower grinding cylinder; 31-a cover plate; 36-shaft sleeve; 40-elastic sheet.
Detailed Description
in the interest of clarity and conciseness, not all features of an actual implementation are described in the specification. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.
In order to avoid obscuring the invention with unnecessary details, it is also necessary to show only the device structures and/or process steps that are closely related to the solution according to the invention in the application document, while other details that are not relevant to the invention have been omitted.
Example (b): referring to the attached drawings, the double-crushing chamber spiral blade type biomass straw ultrafine crushing device of the embodiment mainly comprises an upper crushing barrel 2, a lower crushing barrel 16, a supporting and positioning frame 1, a rack 11, a crushing motor 10, a main shaft 8, a large belt wheel 7, a small belt wheel 5, a crushing cutter 12, an upper crushing barrel connecting barrel 24, a lower crushing barrel connecting barrel 24, a rigid spring 15 and an air spring 14.
The supporting and positioning frames 1 are elastically connected with the frame 11 through rigid springs 15 and air springs 14, and the two supporting and positioning frames 1 are connected with the frame 11 through four pairs of rigid springs and air springs.
The upper crushing barrel 2 and the lower crushing barrel 16 are fixedly arranged in an upper fixing hole 22 and a lower fixing hole 23 of the supporting and positioning frame 1 in an interference connection mode, the upper crushing barrel 2 and the lower crushing barrel 16 are arranged in an up-and-down parallel mode, a lower discharge hole 28 of the upper crushing barrel and an upper feed hole 29 of the lower crushing barrel are correspondingly formed, and the upper crushing barrel and the lower crushing barrel are connected through an upper connecting barrel 24 and fixedly connected through bolts.
The crushing cutters 12 are mounted on cover plates 31 at both ends of the upper crushing cylinder 2 and the lower crushing cylinder 16 through radial thrust bearings 18, and each cover plate 31 is fixed at both ends of the upper crushing cylinder 2 and the lower crushing cylinder 16 through bolts, respectively.
The crushing cutter 12 comprises a cutter shaft 21 and crushing blades 17 spirally and linearly arranged on the cutter shaft, the blade surfaces of the crushing blades 17 form an included angle of 20 degrees with the cross section of the cutter shaft 21, the included angle of the blade surfaces of the cross section of the crushing blades 17 is 5 degrees, and the sizes of the adjacent blades are different.
The crushing motor 10 is arranged on one side of the frame 11, and the crushing motor 10 is connected with the main shaft 8 through an elastic coupling 9.
The main shaft 8 is provided with a large belt wheel 7, the large belt wheel 7 and the main shaft 8 are circumferentially fixed through key connection and are axially fixed through shaft shoulders.
Four belt grooves are arranged on the large belt wheel 7, and four belts are respectively arranged and connected with the small belt wheels 5 on the cutter shafts of the upper crushing cutter 12 and the lower crushing cutter 12 to transmit power.
two belt grooves are formed in the small belt wheel 5 and correspond to the two belt grooves in the large belt wheel 7 respectively, and the cutter shaft of the crushing cutter above the small belt wheel is shorter than the cutter shaft of the crushing cutter below the small belt wheel by the length of the two belt grooves.
More specifically: referring to fig. 1, 2 and 4, the two crushing cylinders are an upper crushing cylinder 2 and a lower crushing cylinder 16 which are arranged in parallel up and down, each crushing cylinder is internally provided with a crushing cutter 12, the crushing cutters 12 are connected with a cover plate 31 of the crushing cylinder through radial thrust bearings 18, and cutter shafts of the crushing cutters and small belt wheels are circumferentially fixed by keys and axially fixed by shaft shoulders.
more specifically: referring to fig. 1, 2, 4 and 5, the grinding motor 10 is installed at one side of a frame 11, and an upper grinding cylinder 2 and a lower grinding cylinder 16 are fixed at the other side of the frame 11 through a supporting and positioning frame 1.
More specifically: referring to fig. 1 and 5, the rigid springs 15 and the air springs 14 are respectively combined into four pairs and respectively mounted at the upper ends of four pillars of the frame 11, the rigid springs 15 are fixed by using the bosses 3, and the air springs 14 are fixed by using screws.
More specifically: referring to fig. 1, the large belt wheel 7 is mounted on the main shaft 8 and axially fixed by a shaft shoulder, and the small belt wheel 5 is fixed at one end of the cutter shaft of the crushing cutter 12 and is respectively connected with the large belt wheel 7 through a belt 6 to transmit power.
more specifically: referring to fig. 6-8, the blade surface of the crushing blade 17 and the cross section of the cutter shaft 21 form an included angle of 20 degrees, the included angle of the blade edge of the cross section of the crushing blade 17 is 5 degrees, and the sizes of the adjacent blades are different.
More specifically: referring to fig. 2 and 9, the upper crushing barrel is also provided with a feeding hole, and the lower crushing barrel is also provided with a discharging hole.
More specifically: referring to fig. 10, an upper fixing hole 22 and a lower fixing hole 23 are formed in the supporting and positioning frame 1, and the upper crushing barrel 2 is installed in the upper fixing hole 22 and is in interference fit with the upper crushing barrel; the lower crushing barrel 16 is arranged in the lower fixing hole 23, and the lower crushing barrel and the lower fixing hole are in interference fit.
More specifically: referring to fig. 1, 5, 11 and 12, the upper and lower end surfaces of the air spring 14 have three screws for fixing to the frame 11 and the support positioning frame 1, and the lower end surface has two screws, and the rigid spring 15 is fixed to the frame 11 and the support positioning frame 1 by using bosses.
More specifically: referring to fig. 13-15, the elastic coupling 9 is divided into three parts, two ends are provided with shaft sleeves 36 for fixing on the main shaft and the output shaft of the crushing motor, six elastic sheets 40 are distributed in the middle, are distributed at equal intervals and are respectively fixed by bolts.
The working principle is as follows: the straw raw materials to be crushed enter the lower crushing barrel to be continuously crushed through the connection pipe of the upper crushing barrel and the lower crushing barrel under the impact of the spiral blade and the driving of the air flow after being crushed by the upper crushing barrel until the straw raw materials are crushed to the expected particle degree, and then the straw raw materials are discharged from the discharge hole of the lower crushing barrel and are manually collected. The method specifically comprises the following steps: the crushing motor 10 is connected with a main shaft 8 through an elastic coupling 9 to drive the main shaft to rotate, the belt 6 between a large belt wheel 7 and a small belt wheel 5 is connected with an upper crushing cutter 12 and a lower crushing cutter 12 to rotate straws in the crushing barrel, due to the inclined design of blades, the blade edge face of a crushing blade 17 and the cross section of a cutter shaft 21 form an included angle of 20 degrees, airflow is generated during crushing, straw particles are driven to circulate in the crushing barrel, the straw particles enter a lower crushing barrel 16 through an upper crushing barrel 2, the straw particles can be crushed more fully, and finally the straw particles are discharged through a discharge port of the lower crushing barrel and collected manually.
Although the embodiments of the present invention are described above, the contents thereof are merely embodiments adopted to facilitate understanding of the technical aspects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modifications and changes in the form and details of the implementation without departing from the core technical solution disclosed in the present invention, but the scope of protection defined by the present invention must still be subject to the scope defined by the appended claims.
Claims (8)
1. The utility model provides a two crushing room spiral blade formula living beings straw ultrafine grinding device which characterized in that: comprises a supporting and positioning frame (1), an upper crushing barrel (2), a small belt wheel (5), a belt (6), a large belt wheel (7), a main shaft (8), an elastic coupling (9), a crushing motor (10), a frame (11), a crushing cutter (12), a lower crushing barrel (16) and an upper and lower crushing barrel connecting barrel (24);
The upper crushing barrel (2) and the lower crushing barrel (16) are arranged up and down, a lower discharge port (28) of the upper crushing barrel is communicated with an upper feed port (29) of the lower crushing barrel through an upper crushing barrel connecting barrel and a lower crushing barrel connecting barrel (24), the upper crushing barrel (2) and the lower crushing barrel (16) are arranged on a rack (11) through a supporting and positioning frame (1), two groups of crushing cutters (12) are coaxially and rotatably arranged in the upper crushing barrel (2) and the lower crushing barrel (16), and a small belt wheel (5) is respectively arranged on cutter shafts (21) of the two groups of crushing cutters (12); the crushing motor (10) is arranged on the rack (11), an output shaft of the crushing motor (10) is connected with the main shaft (8) through an elastic coupling (9), the main shaft (8) is fixedly provided with a large belt wheel (7), and the two small belt wheels (5) are respectively connected with the large belt wheel (7) through a belt (6); the crushing cutter (12) comprises a cutter shaft (21) and crushing blades (17) spirally and linearly arranged on the cutter shaft, and the blade surfaces of the crushing blades (17) form an included angle of 20 degrees with the cross section of the cutter shaft (21).
2. The double-crushing chamber spiral blade type biomass straw ultrafine crushing device as claimed in claim 1, wherein: an upper fixing hole (22) and a lower fixing hole (23) are formed in the supporting and positioning frame (1), and the upper crushing barrel (2) is installed in the upper fixing hole (22) and is in interference fit with the upper crushing barrel; the lower crushing barrel (16) is arranged in the lower fixing hole (23) and is in interference fit with the lower fixing hole.
3. The double-crushing chamber spiral blade type biomass straw ultrafine crushing device as claimed in claim 2, wherein: the two groups of supporting and positioning frames (1) are arranged in parallel left and right.
4. The double-crushing chamber spiral blade type biomass straw ultrafine crushing device as claimed in claim 3, wherein: the supporting and positioning frame (1) is fixed on the rack (11) through a rigid spring (15) and an air spring (14), the rigid spring (15) and the air spring (14) form a pair of elastic assemblies in pairs, and four pairs of elastic assemblies are symmetrically arranged on the rack (11); each group of supporting and positioning frames (1) is elastically connected with the frame (11) through two pairs of elastic components.
5. The double-crushing chamber spiral blade type biomass straw ultrafine crushing device as claimed in claim 4, wherein: the included angle of the cutting edge of the cross section of the crushing blade (17) is 5 degrees, and the sizes of the adjacent blades are different.
6. The double-crushing chamber spiral blade type biomass straw ultrafine crushing device as claimed in claim 5, wherein: the crushing cutter (12) is arranged on cover plates (31) at two ends of the upper crushing barrel (2) and the lower crushing barrel (16) through radial thrust bearings (18), and each cover plate (31) is fixed at two ends of the upper crushing barrel (2) and the lower crushing barrel (16) through bolts respectively.
7. The double-crushing chamber spiral blade type biomass straw ultrafine crushing device as claimed in claim 6, wherein: the elastic coupling (9) comprises a plurality of elastic sheets (40) and two shaft sleeves (36), the two shaft sleeves (36) are coaxially and symmetrically arranged, the elastic sheets (40) are arranged around a shaft sleeve shaft line in a ring array and connected between the two shaft sleeves (36) through bolts, an output shaft of the crushing motor (10) is fixed in one shaft sleeve, and the main shaft (8) is fixed in the other shaft sleeve.
8. The double-crushing chamber spiral blade type biomass straw ultrafine crushing device as claimed in claim 7, wherein: the screwing direction of the crushing cutter (12) in the upper crushing barrel (2) is leftward, and the screwing direction of the crushing cutter (12) in the lower crushing barrel (16) is rightward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502402.XU CN209753050U (en) | 2019-04-12 | 2019-04-12 | Double-crushing-chamber spiral blade type biomass straw ultrafine crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502402.XU CN209753050U (en) | 2019-04-12 | 2019-04-12 | Double-crushing-chamber spiral blade type biomass straw ultrafine crushing device |
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| Publication Number | Publication Date |
|---|---|
| CN209753050U true CN209753050U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920502402.XU Expired - Fee Related CN209753050U (en) | 2019-04-12 | 2019-04-12 | Double-crushing-chamber spiral blade type biomass straw ultrafine crushing device |
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| CN (1) | CN209753050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037377A (en) * | 2019-12-21 | 2020-04-21 | 泉州市富永盛技术服务有限公司 | Cylindrical grinding machine for industrial production and manufacturing |
-
2019
- 2019-04-12 CN CN201920502402.XU patent/CN209753050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037377A (en) * | 2019-12-21 | 2020-04-21 | 泉州市富永盛技术服务有限公司 | Cylindrical grinding machine for industrial production and manufacturing |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |