CN212468323U - Vertical grinding and crushing device for environment-friendly pulverized coal - Google Patents
Vertical grinding and crushing device for environment-friendly pulverized coal Download PDFInfo
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- CN212468323U CN212468323U CN202020903907.XU CN202020903907U CN212468323U CN 212468323 U CN212468323 U CN 212468323U CN 202020903907 U CN202020903907 U CN 202020903907U CN 212468323 U CN212468323 U CN 212468323U
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Abstract
The utility model relates to an environmental protection buggy vertical grinding reducing mechanism, which comprises a housing, be equipped with rotatory mill in the casing, at least one and mill roll friction's grinding roller, be located the selection powder assembly at mill top, be equipped with the wind-guiding hole on the wind ring of mill, the selection powder assembly includes the collecting hopper, the fixed blade wheel that links to each other with the collecting hopper and rotatory movable vane wheel, be equipped with in the casing and be located the mill bottom and be equipped with the plenum and the cinder room, be equipped with on the casing lateral wall and be located the feed inlet, the air intake that communicates with the plenum, the cinder notch that communicates with the cinder room, and be located the finished product export at selection powder assembly side top, change traditional throwing ball and pound the structure of grinding, adopt rotatory mill and roll friction's grinding roller to grind the structure, pan feeding, grinding, stoving, hierarchical selection powder and ejection of compact procedure once only accomplish in a vertical closed casing, the handling capacity is big, grinding, And the weight of equipment, the metal abrasion and the occupied area are reduced, the dust raising phenomenon is avoided, and the method is suitable for the efficient batch production of the environment-friendly pulverized coal.
Description
Technical Field
The utility model relates to a vertical grinding reducing mechanism of environmental protection buggy belongs to environmental protection buggy production facility technical field.
Background
The combustion value of environmental protection buggy is higher, reducible supply-air quantity, and metal pours into the casting mould into simultaneously, and the molding sand top layer makes moisture migration because of being heated, has formed one section moisture condensation zone, if the tensile strength of high moisture condensation zone was low excessively this moment, often can arouse the double-layered sand defect of foundry goods, and control environmental protection buggy adds various clay sand, hot wet tensile strength all has the improvement of different degrees, can reduce the foundry goods of scabbing and rat tail defect. Superfine grinding of coal powder is a key step for producing environment-friendly coal powder, a vertical grinding machine in the prior art generally adopts ball throwing and smashing, the grinding efficiency is poor, the equipment weight is large, the metal abrasion and the energy consumption are large, further drying is needed to reduce the water content of the coal powder, further classification and screening are performed, powder transfer dust and material back and forth transfer loss exist, the production efficiency is low, the equipment cost and the equipment occupation space are large, the treatment capacity is limited, and large-scale environment-friendly coal powder production is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a vertical grinding reducing mechanism of environmental protection buggy, pan feeding, grinding, stoving, hierarchical selection powder and ejection of compact procedure once only accomplish in a vertical closed casing, and the handling capacity is big, grinding efficiency and efficiency are high, the energy consumption is lower, and alleviateed equipment weight and metal wearing and tearing, area, avoid the raise dust phenomenon, are applicable to the high-efficient mass production of environmental protection buggy.
The utility model discloses a realize through following technical scheme:
the environment-friendly pulverized coal vertical grinding and crushing device comprises a machine shell, wherein a rotary grinding disc, at least one grinding roller in rolling friction with the top surface of the grinding disc and a powder selecting assembly positioned at the top of the grinding disc are arranged in the machine shell, a main shaft penetrating through an air chamber is arranged at the bottom of the grinding disc, the main shaft is connected with a main machine speed reducer positioned at the bottom of the machine shell, the main machine speed reducer is connected with a main machine motor, an air ring is arranged on the grinding disc, and a plurality of air guide holes are formed in the;
the grinding roller is provided with a roller shaft, the end part of the roller shaft extends out of the shell and is connected with a shaft sleeve, two sides of the shaft sleeve are provided with supporting arms in a V-shaped structure, a supporting shaft which synchronously rotates is arranged between the supporting arms at two sides, a shaft seat is arranged between the supporting shaft and the shell, at least one end of the supporting shaft is connected with a driving arm which synchronously rotates, the end part of the driving arm is hinged with a telescopic shaft of an oil cylinder, and a positioning shaft is arranged between the bottom of the;
the powder selecting assembly comprises a collecting hopper, a fixed impeller connected with the top of the collecting hopper and a movable impeller rotating inside the fixed impeller, and a plurality of guide holes are formed in the movable impeller;
the grinding mill is characterized in that an air chamber is arranged at the bottom of the grinding disc and a slag chamber which is arranged outside the air chamber and communicated with the gap between the grinding disc and the machine shell is arranged in the machine shell, a feed inlet which is obliquely arranged at the top of the grinding roller side, an air inlet which is communicated with the air chamber, a slag hole which is communicated with the slag chamber and a finished product outlet which is obliquely arranged at the top of the powder selecting assembly side are arranged on the side wall of the machine shell, and an observation door which is obliquely arranged at one side of.
The utility model has the advantages that:
(1) the telescopic shaft of the oil cylinder contracts to pull the hinged driving arm to deflect, the supporting arm on the supporting shaft deflects around the shaft seat, so that the roller shaft on the shaft sleeve drives the grinding roller to approach the surface of the grinding disc for rolling friction, the centrifugal force of the rotating grinding disc disperses the coal powder, the traditional ball throwing and grinding structure is changed, the coal powder is ground, pulverized and reduced in strength under the high-load extrusion force between the grinding disc and the grinding roller for rolling friction, meanwhile, upward hot air is used for drying the coal powder to reduce the moisture of the coal powder, and the discharged coal powder is qualified environment-friendly coal powder;
(2) the finished product outlet air draft draws the coal powder upwards through the air current, the rotary movable impeller of the powder selecting assembly rotates centrifugal force to separate the coal powder with larger particle size and heavier mass and the coal powder is thrown out of the fixed impeller and falls back to the machine shell to be continuously ground, the qualified coal powder is led out through the guide hole, and the feeding, grinding, drying, grading powder selection and discharging procedures are completed in one step in a vertical closed machine shell.
Drawings
Fig. 1 is the utility model discloses a front perspective view.
Fig. 2 is a rear perspective view of the present invention.
Fig. 3 is a side view of the structure of the present invention.
Fig. 4 is a front view structural diagram of the present invention.
Fig. 5 is a structure diagram of the combination of the grinding disc and the grinding roller.
The labels in the figure are: the powder selecting machine comprises a machine shell 1, a grinding disc 2, a grinding roller 3, a powder selecting assembly 4, a main shaft 5, a main machine speed reducer 6, a main machine motor 7, an air ring 8, an air guide hole 9, a rotational flow groove 10, a roller shaft 11, a shaft sleeve 12, a supporting arm 13, a supporting shaft 14, a shaft seat 15, a driving arm 16, an oil cylinder 17, a telescopic shaft 18, a positioning shaft 19, a collecting hopper 41, a fixed impeller 42, a movable impeller 43, a guide hole 20, a powder selecting speed reducer 21, an impeller shaft 22, a powder selecting motor 23, an air chamber 24, a slag chamber 25, a feed inlet 26, an air inlet 27, a soil slag port 28, a finished.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
An environment-friendly pulverized coal vertical grinding and crushing device comprises a machine shell 1, wherein a rotary grinding disc 2, at least one grinding roller 3 in rolling friction with the top surface of the grinding disc 2 and a powder selecting assembly 4 positioned at the top of the grinding disc 2 are arranged in the machine shell 1, a main shaft 5 penetrating through an air chamber 24 is arranged at the bottom of the grinding disc 2, the main shaft 5 is connected with a main machine speed reducer 6 positioned at the bottom of the machine shell 1, the main machine speed reducer 6 is connected with a main machine motor 7, an air ring 8 is arranged on the grinding disc 2, a plurality of air guide holes 9 are arranged on the air ring 8, and a spiral flow groove 10 which surrounds the grinding disc 2 for one circle and is of;
the grinding roller 3 is provided with a roller shaft 11, the end part of the roller shaft 11 extends out of the shell 1 and is connected with a shaft sleeve 12, two sides of the shaft sleeve 12 are provided with supporting arms 13 in a V-shaped structure, a supporting shaft 14 rotating synchronously is arranged between the supporting arms 13 at two sides, a shaft seat 15 is arranged between the supporting shaft 14 and the shell 1, at least one end of the supporting shaft 14 is connected with a driving arm 16 rotating synchronously, the end part of the driving arm 16 is hinged with a telescopic shaft 18 of an oil cylinder 17, and a positioning shaft 19 is arranged between the bottom of the oil cylinder 17;
the powder selecting assembly 4 comprises a collecting hopper 41, a fixed impeller 42 connected with the top of the collecting hopper 41 and a movable impeller 43 rotating inside the fixed impeller 42, wherein the movable impeller 43 is provided with a plurality of guide holes 20, the top of the fixed impeller 42 is fixedly connected with the casing 1, the movable impeller 43 is provided with an impeller shaft 22 penetrating through the casing 1 and connected with a powder selecting speed reducer 21, and the powder selecting speed reducer 21 is connected with a powder selecting motor 23;
the grinding machine is characterized in that an air chamber 24 is arranged at the bottom of the grinding disc 2, a slag chamber 25 is arranged outside the air chamber 24 and communicated with the gap between the grinding disc 2 and the machine shell 1, a feed inlet 26 obliquely arranged at the top of the grinding roller 3 side, an air inlet 27 communicated with the air chamber 24, a soil slag opening 28 communicated with the slag chamber 25 and a finished product outlet 29 obliquely arranged at the top of the powder selecting assembly 4 side are arranged on the side wall of the machine shell 1, and an observation door 30 positioned at one side of the grinding roller 3 is arranged on the side wall of the machine shell 1.
The utility model discloses a theory of operation does:
the telescopic shaft 18 of the oil cylinder 17 contracts to pull the hinged driving arm 16 to deflect, the oil cylinder 17 deflects around the positioning shaft 19, the driving arm 16 drives the supporting arm 13 on the supporting shaft 14 and deflects around the shaft seat 15 through the supporting shaft 14, so that the roller shaft 11 on the shaft sleeve 12 drives the grinding roller 3 to approach the grinding disc 2 until the grinding roller is attached to the surface of the grinding disc 2 so as to grind coal powder in a rolling friction manner, when the grinding roller does not work, the oil cylinder 17 is extended reversely, the grinding roller 3 deflects reversely to be separated from the grinding disc 2, the grinding disc 2 is driven to rotate by the main shaft 5 connected with the grinding disc 2 under the rotary driving of the main motor 7 and the speed reduction transmission of the main speed reducer 6, coal slag on the edge of the grinding disc 2 falls into the slag chamber 25 from the gap between the grinding;
when the environment-friendly coal dust grinding machine works, coal dust to be treated is put into a grinding disc 2 of a machine shell 1 through an inclined feeding hole 26, hot air is introduced into an air chamber 24 through an air inlet 27, the hot air enters the interior of the grinding machine shell 1 through an air guide hole 9 of an air ring 8 on the grinding disc 2, the coal dust is dispersed by the centrifugal force of the rotating grinding disc 2, a swirl flow groove 10 plays a swirl flow guide role until the coal dust is dispersed on the surface of the grinding disc 2, the coal dust is ground and finely ground under the high load extrusion force between the grinding disc 2 and a rolling friction grinding roller 3 to reduce the force, and meanwhile, the upward hot air dries the coal dust to reduce the moisture;
the finished product outlet 29 is connected with an exhaust fan to exhaust air to collect a mixture of an environment-friendly coal powder finished product and air, coal powder upwards passes through the collection hopper 41 under the traction of exhaust air flow during the air exhaust, the powder selection motor 23 drives the impeller 43 shaft and the movable impeller 43 to synchronously rotate under the speed reduction transmission of the powder selection speed reducer 21, the generated centrifugal force enables the coal powder with larger particle size and heavier mass to be selected and thrown out of the fixed impeller 42 and fall back to the casing 1 for continuous grinding, and the coal powder with smaller particle size and lighter mass enters the top of the casing 1 through the guide hole 20 of the movable impeller 43 and is led out from the inclined finished product outlet 29 for separation and collection;
during operation, can also visually observe the operation condition of handling through observation door 30, change the tradition and throw the ball and pound and grind the structure, adopt rotatory mill 2 and rolling friction's grinding roller 3 to grind the structure, pan feeding, grinding, stoving, hierarchical selection powder and ejection of compact procedure once only accomplish in a vertical closed casing 1, the ejection of compact is qualified environmental protection buggy promptly, it is simple and easy to operate than traditional structure, the handling capacity is big, grinding efficiency and efficiency are high, the energy consumption is lower, and alleviateed equipment weight and metal wearing and tearing, area, avoid the raise dust phenomenon, be beneficial to improving workshop health and security, be applicable to the high-efficient mass production of environmental protection buggy.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The environment-friendly pulverized coal vertical grinding and crushing device comprises a machine shell and is characterized in that a rotary grinding disc, at least one grinding roller and a powder selecting assembly are arranged in the machine shell, the grinding roller is in rolling friction with the top surface of the grinding disc, the powder selecting assembly is positioned at the top of the grinding disc, an air ring is arranged on the grinding disc, a plurality of air guide holes are formed in the air ring, the powder selecting assembly comprises a collecting hopper, a fixed impeller and a movable impeller, the fixed impeller is connected with the top of the collecting hopper, the movable impeller rotates inside the fixed impeller, and a plurality of guide;
the grinding roller type powder concentrator is characterized in that an air chamber is arranged at the bottom of the grinding disc and a slag chamber which is arranged outside the air chamber and communicated with the gap between the grinding disc and the machine shell is arranged in the machine shell, and a feed inlet which is arranged at the top of the grinding roller side in an inclined mode, an air inlet which is communicated with the air chamber, a soil and slag port which is communicated with the slag chamber and a finished product outlet which is arranged at the top of the powder concentration assembly side in an inclined mode.
2. The vertical environment-friendly pulverized coal grinding and pulverizing device as claimed in claim 1, wherein the top surface of the grinding disc is provided with a swirl groove which surrounds the grinding disc and has an arc structure.
3. The vertical environment-friendly pulverized coal grinding and pulverizing device as claimed in claim 1, wherein the bottom of the grinding disc is provided with a main shaft passing through the air chamber, the main shaft is connected with a main machine speed reducer positioned at the bottom of the casing, and the main machine speed reducer is connected with a main machine motor.
4. The vertical environment-friendly pulverized coal grinding and crushing device as claimed in claim 1, wherein the grinding roller is provided with a roller shaft, the end part of the roller shaft extends out of the casing and is connected with a shaft sleeve, two sides of the shaft sleeve are provided with support arms in a V-shaped structure, a support shaft rotating synchronously is arranged between the support arms at two sides, a shaft seat is arranged between the support shaft and the casing, at least one end of the support shaft is connected with a driving arm rotating synchronously, the end part of the driving arm is hinged with a telescopic shaft of an oil cylinder, and a positioning shaft is arranged between the bottom of the oil cylinder and.
5. The environment-friendly coal powder vertical grinding and crushing device as claimed in claim 1, wherein the top of the fixed impeller is fixedly connected with the casing, the movable impeller is provided with an impeller shaft which passes through the casing and is connected with a powder selection speed reducer, and the powder selection speed reducer is connected with a powder selection motor.
6. The vertical environment-friendly pulverized coal grinding and pulverizing device as claimed in any one of claims 1 to 5, wherein an observation door is provided on the side wall of the casing on the side of the grinding roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020903907.XU CN212468323U (en) | 2020-05-26 | 2020-05-26 | Vertical grinding and crushing device for environment-friendly pulverized coal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020903907.XU CN212468323U (en) | 2020-05-26 | 2020-05-26 | Vertical grinding and crushing device for environment-friendly pulverized coal |
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| CN212468323U true CN212468323U (en) | 2021-02-05 |
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| CN202020903907.XU Active CN212468323U (en) | 2020-05-26 | 2020-05-26 | Vertical grinding and crushing device for environment-friendly pulverized coal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177976A (en) * | 2021-10-09 | 2022-03-15 | 江苏祥豪实业股份有限公司 | Stable chlorine dioxide disinfection powder and preparation process thereof |
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2020
- 2020-05-26 CN CN202020903907.XU patent/CN212468323U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177976A (en) * | 2021-10-09 | 2022-03-15 | 江苏祥豪实业股份有限公司 | Stable chlorine dioxide disinfection powder and preparation process thereof |
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