CN111359725A - Double-shaft crusher and knockout device - Google Patents
Double-shaft crusher and knockout device Download PDFInfo
- Publication number
- CN111359725A CN111359725A CN202010205863.8A CN202010205863A CN111359725A CN 111359725 A CN111359725 A CN 111359725A CN 202010205863 A CN202010205863 A CN 202010205863A CN 111359725 A CN111359725 A CN 111359725A
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- Prior art keywords
- shaft
- crusher
- auxiliary
- crushing
- main
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 238000006477 desulfuration reaction Methods 0.000 claims description 6
- 230000023556 desulfurization Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 23
- 230000002776 aggregation Effects 0.000 abstract description 2
- 238000004220 aggregation Methods 0.000 abstract 1
- 206010039509 Scab Diseases 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention provides a double-shaft crusher and a knockout device, wherein the double-shaft crusher comprises a motor, a speed reducer, a chain wheel, a main gear, a pinion, a crusher shell, a main shaft and an auxiliary shaft, wherein the crusher shell is a U-shaped groove body; the crushing blades of the main shaft are meshed with the crushing blades of the auxiliary shaft; the motor is connected with a chain wheel through a speed reducer, the chain wheel is coaxially arranged with a main gear, the main gear is meshed with an auxiliary gear, the main gear is coaxial with the main shaft, and the auxiliary gear is coaxial with the auxiliary shaft; bearing boxes are respectively arranged at two ends of the main shaft and the auxiliary shaft, which penetrate out of the shell of the crusher, and sealing assemblies are arranged at the intersection parts of the main shaft and the auxiliary shaft and the shell of the crusher. The double-shaft crusher has the advantages of reasonable structure device, convenient operation and high-efficiency crushing capability, and can reduce the aggregation of blocky materials and flaky materials at the bottom of the knockout device. The crushed material is directly taken away by the high-speed airflow and returns to the system again.
Description
Technical Field
The invention relates to the technology of crushers, in particular to a double-shaft crusher and a knockout device.
Background
In the desulfurization system by the suspension separation method, C is generally adopteda(OH)2As the desulfurizer is used as a desulfurizer, the pneumatic conveying speed is high, the desulfurizer materials are easy to scab, and the conveying pipeline system has the phenomena of caking and flaking, so that the blocky and flaked materials are necessary to be crushed for long-term stable operation of the system and then conveyed into the system again through the knockout device.
Disclosure of Invention
The invention aims to provide a double-shaft crusher aiming at the problem of caking and sheeting phenomena in a conveying pipeline system of the existing ramming device, which has the advantages of reasonable structure device, convenience in operation and high-efficiency crushing capability, and can reduce the agglomeration of blocky materials and sheety materials at the bottom of the ramming device. The crushed material is directly taken away by the high-speed airflow and returns to the system again.
In order to achieve the purpose, the invention adopts the technical scheme that: a double-shaft crusher comprises a motor, a speed reducer, a chain wheel, a main gear, a pinion, a bearing box, a sealing component, a reverse blade, a crusher shell, a main shaft, a counter shaft and a crushing blade,
the crusher comprises a crusher shell, a crushing unit, a main shaft, an auxiliary shaft, a reverse blade, a crushing unit and a reverse blade, wherein the crusher shell is a U-shaped groove body, the main shaft and the auxiliary shaft are arranged in the crusher shell in a penetrating mode in parallel, the crushing unit is coaxially fixed in the middle of the main shaft and the auxiliary shaft, and the reverse blade is sleeved at two; the crushing unit comprises two blade discs and a plurality of crushing blades, the two blade discs are arranged in parallel, the crushing blades are parallel to the main shaft and the auxiliary shaft, two ends of each crushing blade are respectively fixed on the circumferences of the two blade discs, and the crushing blades are arranged along the radial direction of the blade discs to ensure that the outer contours of the crushing blades are distributed in a gear shape; the crushing blades of the main shaft are meshed with the crushing blades of the auxiliary shaft;
the motor is connected with a chain wheel through a speed reducer, the chain wheel is coaxially arranged with a main gear, the main gear is meshed with an auxiliary gear, the main gear is coaxial with the main shaft, and the auxiliary gear is coaxial with the auxiliary shaft;
bearing boxes are respectively arranged at two ends of the main shaft and the auxiliary shaft, which penetrate out of the shell of the crusher, and sealing assemblies are arranged at the intersection parts of the main shaft and the auxiliary shaft and the shell of the crusher.
Further, the distance between the crushing blades and the inner wall of the shell of the crusher is 20-30 mm.
Further, the crushing shaft provided with the crushing blades accounts for 90-95% of the total length of the main shaft or the auxiliary shaft, and the crushing shaft provided with the reverse blades accounts for 5-10% of the total length of the main shaft or the auxiliary shaft.
Furthermore, a blind plate is fixed on the side wall of the crusher shell, and the bearing box is fixed on the blind plate through a fixing plate.
Furthermore, the sealing assembly comprises two-stage sealing, wherein the first-stage sealing is graphite packing sealing, and the second-stage sealing is sealing ring sealing. The spring is used for compressing the graphite root of the disc, and the sealing between the graphite root and the shaft is ensured.
Furthermore, a fixed disc parallel to the blade discs is arranged between the two blade discs.
Further, a fixed support is welded on the outer side of the crusher shell.
The working principle of the double-shaft crusher is as follows: the double-shaft crusher is installed at the bottom of the U-shaped knockout device, when massive and flaky materials are in the bottom of the knockout device, the material is crushed by the starting motor through the speed reducer, the transmission gear, the transmission shaft and the crushing blade, and the crushed material enters the system again under the action of high-speed airflow, so that the bottom of the knockout device is prevented from influencing normal knockout of the system due to excessive accumulation of the material.
The invention also discloses a knockout device, and a double-shaft crusher is arranged at the bottom of the knockout device.
Furthermore, the knockout device is a U-shaped knockout device in the desulfurization system adopting the electrolytic aluminum flue gas suspension separation method, an opening at the bottom of the U-shaped knockout device covers the upper part of a U-shaped groove body of the double-shaft crusher, and the axial direction of the double-shaft crusher is parallel to the airflow direction of the U-shaped knockout device.
The bottom of the existing U-shaped knockout device is easy to scab due to the structural characteristics, and a double-shaft crusher is arranged at the bottom of the U-shaped knockout device, so that the scab can be overcome or reduced. Compared with the prior art, the double-shaft crusher and the knockout device have the following advantages that:
1) the double-shaft crusher is applied to the bottom of the U-shaped knockout device in the desulfurization system of the electrolytic aluminum flue gas suspension separation method, and is used for crushing the heavier materials deposited at the bottom of the knockout device, so that the materials return to the normal operation of the system, and the stable and continuous operation is ensured.
2) The crushing blades are fixed by adopting 3 blade discs (comprising a fixed disc), so that the strength is high and the crushing blades are not easy to damage;
3) the arrangement of the reverse blades ensures that materials are not discharged outside, reduces the labor intensity and does not pollute the environment;
4) the normal operation of the knockout device is not influenced, and the online crushing can be realized.
Drawings
FIG. 1 is a front view of a twin-shaft crusher of the present invention;
FIG. 2 is a top view of the twin shaft crusher of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a sectional view taken along line B-B in fig. 2.
Detailed Description
The invention is further illustrated by the following examples:
example 1
The embodiment discloses a double-shaft crusher applied to the bottom of a U-shaped knockout device in a desulfurization system by a suspension separation method, the structure of the double-shaft crusher is shown in figures 1-4, and the double-shaft crusher comprises a motor 1, a speed reducer 2, a chain wheel 3, a main gear, a pinion gear 4, a bearing box 5, a sealing assembly 6, a reverse blade 7, a fixed bracket 8, a crusher shell 9, a main shaft 10, a counter shaft 11 and crushing blades 12,
the crusher shell 9 is a U-shaped groove body, and the outer side of the crusher shell 9 is welded with the fixed support 8. Two rotating shafts, namely a main shaft 10 and an auxiliary shaft 11, are arranged in the crusher shell 9 in a penetrating mode in parallel along the length direction of the groove body, and crushing units are coaxially fixed in the middle of the main shaft and the auxiliary shaft. The crushing unit comprises two bladed discs 13, arranged in parallel, and 18 crushing blades 12, parallel to the main and auxiliary shafts. The 18 crushing blades are arranged between the two blade discs, two ends of each crushing blade are welded to the circumferences of the blade discs, and the crushing blades 12 are radially arranged along the blade discs 13, so that the outer contours of the crushing blades 12 are distributed in a gear shape. The crushing blades are not contacted, and the crushing unit is of a hollow structure; the distance between the end part of the crushing blade 12 and the inner wall of the crusher shell 9 is 20-30 mm. Reverse blades 7 are arranged at two ends of the main shaft 10 and the auxiliary shaft 11 (so as to prevent the materials from moving towards the direction of the sealing assembly 6); the crushing shaft provided with the crushing blades accounts for 90-95% of the total length of the main shaft 10 or the auxiliary shaft 11, and the crushing shaft provided with the reverse blades accounts for 5-10% of the total length of the main shaft 10 or the auxiliary shaft 11. The crushing blades 12 of the main shaft 10 mesh with the crushing blades 12 of the auxiliary shaft 11.
And a fixed disc parallel to the blade discs is also arranged between the two blade discs. The crushing unit is high in strength and not easy to damage;
the motor 1, the speed reducer 2, the chain wheel 3, the main gear, the auxiliary gear 4 and the bearing box 5 are arranged outside the crusher shell 9, the motor 1 is connected with the chain wheel 3 through the speed reducer 2, the chain wheel 3 and the main gear are coaxially arranged, the main gear is meshed with the auxiliary gear 4, the main gear is coaxial with the main shaft 10, and the auxiliary gear 4 is coaxial with the auxiliary shaft 11; the main shaft 10 and the auxiliary shaft 11 are linked through the auxiliary gear 4 and the chain wheel 3 at the shaft end, and the chain wheel 3 is driven by the motor 1 and the speed reducer 2.
The main shaft 10 and the auxiliary shaft 11 are provided with a sealing assembly 6 at the intersection with the crusher housing 9. The 6 two-stage seals of seal assembly, and the first level is sealed for graphite packing, and the second level is sealed for the sealing washer. The spring is used for compressing the graphite root of the disc, and the sealing between the graphite root and the shaft is ensured.
The main shaft 10 and the auxiliary shaft 11 are respectively provided with a bearing box 5 through two ends of the crusher shell 9. Specifically, a bearing box 5 is arranged between a main shaft upper sealing assembly 6 connected with the driving device and the main gear, and the end part of the main shaft departing from the driving device is arranged in the bearing box 5; a bearing housing 5 is arranged between the countershaft 11 connected to the drive and the pinion, and the end of the countershaft facing away from the drive is arranged in the bearing housing 5. A blind plate 15 is fixed on the side wall of the crusher shell 9, and the bearing box 5 is fixed on the blind plate 15 through a fixing plate 14.
The working process of the powder material accelerator of the embodiment is as follows: along with the operation of the knockout device, a small amount of blocky and flaky materials are arranged at the bottom of the knockout device. Because cubic, slice material is heavier, and air conveying is difficult, cubic and flaky material can pile up in knockout device bottom, in order to avoid piling up too much material, influences normal knockout, need regularly open the biax breaker with its breakage.
The double-shaft crusher motor 1 and the speed reducer 2 are connected together through the chain wheel 3 and the auxiliary gear 4 to drive the main shaft 10 and the auxiliary shaft 11 to rotate together, crushing blades 12 on the blade disc 13 are driven by the main shaft and the auxiliary shaft to be meshed with each other for crushing, and when the crushing is carried out to a small enough particle size, the materials are vertically and upwards conveyed into the system under the drive of high-speed airflow.
Example 2
The embodiment discloses a U-shaped knockout device in an electrolytic aluminum flue gas suspension separation method desulfurization system, the opening at the bottom of the U-shaped knockout device covers the U-shaped groove body of a double-shaft crusher in the embodiment 1, and the axial direction of the double-shaft crusher is parallel to the airflow direction of the U-shaped knockout device.
The bottom of the existing U-shaped knockout device is easy to scab due to the structural characteristics, a double-shaft crusher is arranged at the bottom of the U-shaped knockout device, and crushed materials are directly taken away by high-speed airflow of the U-shaped knockout device and then return to the system again. The double-shaft crusher can overcome or reduce the occurrence of scabbing at the bottom of the U-shaped knockout device.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A double-shaft crusher is characterized by comprising a motor, a speed reducer, a chain wheel, a main gear, a pinion, a bearing box, a sealing assembly, a reverse blade, a crusher shell, a main shaft, a counter shaft and a crushing blade;
the crusher comprises a crusher shell, a crushing unit, a main shaft, an auxiliary shaft, a reverse blade, a crushing unit and a reverse blade, wherein the crusher shell is a U-shaped groove body, the main shaft and the auxiliary shaft are arranged in the crusher shell in a penetrating mode in parallel, the crushing unit is coaxially fixed in the middle of the main shaft and the auxiliary shaft, and the reverse blade is sleeved at two; the crushing unit comprises two blade discs and a plurality of crushing blades, the two blade discs are arranged in parallel, the crushing blades are parallel to the main shaft and the auxiliary shaft, two ends of each crushing blade are respectively fixed on the circumferences of the two blade discs, and the crushing blades are arranged along the radial direction of the blade discs to ensure that the outer contours of the crushing blades are distributed in a gear shape; the crushing blades of the main shaft are meshed with the crushing blades of the auxiliary shaft;
the motor is connected with a chain wheel through a speed reducer, the chain wheel is coaxially arranged with a main gear, the main gear is meshed with an auxiliary gear, the main gear is coaxial with the main shaft, and the auxiliary gear is coaxial with the auxiliary shaft;
bearing boxes are respectively arranged at two ends of the main shaft and the auxiliary shaft, which penetrate out of the shell of the crusher, and sealing assemblies are arranged at the intersection parts of the main shaft and the auxiliary shaft and the shell of the crusher.
2. The twin-shaft crusher of claim 1, wherein the main shaft and the auxiliary shaft are respectively provided with a bladed disc provided with crushing blades on the circumference thereof.
3. The twin-shaft crusher of claim 1, wherein the crushing blades are spaced from the inner wall of the crusher housing by 20-30 mm.
4. The twin-shaft crusher of claim 1, wherein the crushing shaft provided with the crushing blades accounts for 90-95% of the total length of the main shaft or the auxiliary shaft, and the crushing shaft provided with the reverse blades accounts for 5-10% of the total length of the main shaft or the auxiliary shaft.
5. The twin-shaft crusher of claim 1, wherein a blind plate is fixed to a side wall of the crusher housing, and the bearing housing is fixed to the blind plate by a fixing plate.
6. The twin shaft crusher of claim 1, wherein the seal assembly comprises a two stage seal, the first stage seal being a graphite packing seal and the second stage seal being a seal ring seal.
7. The twin-shaft crusher of claim 1, wherein a fixed plate is further provided between the two bladed discs in parallel with the bladed discs.
8. A knockout device, characterized in that the bottom of the knockout device is provided with the twin-shaft crusher of any one of claims 1 to 7.
9. The knockout device of claim 8, wherein the knockout device is a U-shaped knockout device in a desulfurization system adopting an electrolytic aluminum flue gas suspension separation method, an opening at the bottom of the U-shaped knockout device covers the upper part of a U-shaped groove body of a double-shaft crusher, and the axial direction of the double-shaft crusher is parallel to the airflow direction of the U-shaped knockout device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205863.8A CN111359725A (en) | 2020-03-23 | 2020-03-23 | Double-shaft crusher and knockout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205863.8A CN111359725A (en) | 2020-03-23 | 2020-03-23 | Double-shaft crusher and knockout device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111359725A true CN111359725A (en) | 2020-07-03 |
Family
ID=71200672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010205863.8A Pending CN111359725A (en) | 2020-03-23 | 2020-03-23 | Double-shaft crusher and knockout device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111359725A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004209387A (en) * | 2002-12-26 | 2004-07-29 | Power System Kk | Vertical twin-shaft crusher |
| CN102728436A (en) * | 2012-06-05 | 2012-10-17 | 四川美丰化工股份有限公司 | Engagement powder crusher |
| CN204429438U (en) * | 2015-01-26 | 2015-07-01 | 衡水隆昌肥料造粒机械有限公司 | Double-shaft horizontal disintegrating machine |
| CN204523132U (en) * | 2015-02-02 | 2015-08-05 | 新疆宇鑫混凝土有限公司 | A kind of double-shaft crusher for building waste |
| CN204620149U (en) * | 2015-02-12 | 2015-09-09 | 天津市弘亚润滑粉制造有限公司 | A kind of pulverizer |
| CN105476295A (en) * | 2015-12-28 | 2016-04-13 | 嵊州市意海电机配件厂 | Multi-layer cupboard with food smashing function |
| CN211865244U (en) * | 2020-03-23 | 2020-11-06 | 大连碧海环保设备有限公司 | Double-shaft crusher and knockout device |
-
2020
- 2020-03-23 CN CN202010205863.8A patent/CN111359725A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004209387A (en) * | 2002-12-26 | 2004-07-29 | Power System Kk | Vertical twin-shaft crusher |
| CN102728436A (en) * | 2012-06-05 | 2012-10-17 | 四川美丰化工股份有限公司 | Engagement powder crusher |
| CN204429438U (en) * | 2015-01-26 | 2015-07-01 | 衡水隆昌肥料造粒机械有限公司 | Double-shaft horizontal disintegrating machine |
| CN204523132U (en) * | 2015-02-02 | 2015-08-05 | 新疆宇鑫混凝土有限公司 | A kind of double-shaft crusher for building waste |
| CN204620149U (en) * | 2015-02-12 | 2015-09-09 | 天津市弘亚润滑粉制造有限公司 | A kind of pulverizer |
| CN105476295A (en) * | 2015-12-28 | 2016-04-13 | 嵊州市意海电机配件厂 | Multi-layer cupboard with food smashing function |
| CN211865244U (en) * | 2020-03-23 | 2020-11-06 | 大连碧海环保设备有限公司 | Double-shaft crusher and knockout device |
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Application publication date: 20200703 |
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