CN207857087U - A kind of broken coal system - Google Patents

A kind of broken coal system Download PDF

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Publication number
CN207857087U
CN207857087U CN201721872222.8U CN201721872222U CN207857087U CN 207857087 U CN207857087 U CN 207857087U CN 201721872222 U CN201721872222 U CN 201721872222U CN 207857087 U CN207857087 U CN 207857087U
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CN
China
Prior art keywords
coal
damping
fine coal
motor
fine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721872222.8U
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Chinese (zh)
Inventor
李现文
赵元明
贺利军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guohong Construction Co ltd
Original Assignee
Shanxi European Electric Power Construction Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Shanxi European Electric Power Construction Co Ltd filed Critical Shanxi European Electric Power Construction Co Ltd
Priority to CN201721872222.8U priority Critical patent/CN207857087U/en
Application granted granted Critical
Publication of CN207857087U publication Critical patent/CN207857087U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of broken coal system comprising the first thin coal screen being linked in sequence, the first thin coal breaker, the second thin coal screen and the second thin coal breaker;Wherein, the coal feed point of the first thin coal breaker described in the coarse fodder outlet of the described first thin coal screen;The coal outlet of the first thin coal breaker is connected to the coal feed point of the described second thin coal screen;The coal feed point of second device for coal fine crushing described in the coarse fodder outlet of the second thin coal screen.The utility model passes through the be linked in sequence first thin coal screen, first thin coal breaker, second thin coal screen and the second thin coal breaker, by the screening of coal cinder and combination fine crushing, it is possible to prevente effectively from coal cinder is excessively broken, while thin coal screen separates nuts, reduces the coal cinder treating capacity and broken coal treating capacity of thin coal breaker, to reduce the abrasion of equipment, the heat-energy losses generated due to excessively fine crushing are reduced.

Description

Coal crushing system
Technical Field
The utility model relates to a coal processing technology field, in particular to broken coal system.
Background
Coal is still one of the three major energy sources at present. Because industrial coal has specific requirements on the size of the coal briquette, a coal crushing system is mostly used for crushing the raw coal briquette.
In the prior art, a fine coal crusher is usually directly combined with an activation coal feeder to perform fine crushing treatment on coal blocks, however, due to uncontrollable fine crushing treatment, problems of insufficient fine crushing degree or excessive fine crushing of the coal blocks often occur, the insufficient fine crushing degree or excessive fine crushing of the coal blocks can generate transitional abrasion on equipment, so that the service life of the equipment is rapidly reduced, thermal efficiency loss can be generated, and stable release of the thermal efficiency of coal cannot be realized.
Based on this, the prior art is certainly subject to improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a coal crushing system to solve the problem of the excessive wearing and tearing of prior art's equipment and thermal efficiency loss.
In order to solve the problem, the utility model provides a coal crushing system, its technical scheme who takes as follows:
a coal crushing system comprises a first fine coal screening machine, a first fine coal crushing machine, a second fine coal screening machine and a second fine coal crushing machine which are connected in sequence; wherein,
the coarse material outlet of the first fine coal screening machine is communicated with the coal inlet of the first fine coal crusher;
the coal outlet of the first fine coal crusher is communicated with the coal inlet of the second fine coal screening machine;
and a coarse material outlet of the second fine coal screening machine is communicated with a coal inlet of the second fine coal crushing device.
Further, the first fine coal screening machine comprises: the screen shaft is arranged in the box body and is rotatably fixed on the inner wall of the box body through a bearing, and one end of the screen shaft penetrates through the box body and is connected with the motor; the motor is arranged on the motor damping device.
Further, motor damping device includes the base, including the base, be provided with motor body installation portion and motor shaft anti-vibration mechanism on the base:
the body mounting part is used for fixing the motor body, and the contact part of the body mounting part and the motor body is a rubber plate;
the motor shaft anti-vibration mechanism comprises a bearing piece for bearing the motor shaft, and the lower part of the bearing piece is connected with a damping system;
the damping system comprises a shell, a damping rod and damping wings, wherein the shell, the damping rod and the damping wings are fixed on the base, one end of the damping rod is connected with the bearing piece, the other end of the damping rod is connected with the damping wings, damping liquid is filled in the shell, and the damping wings are located below the liquid level of the damping liquid.
Further, the first fine coal screening machine and the second fine coal screening machine are identical in structure.
Further, the first fine coal crusher comprises a machine body, a main shaft and a hammer head, wherein,
the machine body is provided with a bearing seat, the main shaft is arranged on the bearing seat through a bearing, a plurality of discs are fixed on the main shaft, spacer sleeves are arranged between the discs, a plurality of annular shaft holes are uniformly formed in the circumference of each disc, an annular shaft is arranged in each annular shaft hole, the hammer head is movably connected with one end of the hammer arm through a small shaft, and the other end of the hammer arm is sleeved on the annular shaft.
Furthermore, the two sides of the main shaft and the disc are provided with adjusting frames which are in the shape of myopia arcs and correspond to each other, wave plates are lined in the adjusting frames, and the distance between each wave plate and the disc is slightly larger than the length of the hammer head.
Furthermore, the adjusting frame is arranged on the machine body through an upper adjusting frame and a lower adjusting frame, an opening formed at the upper end of the adjusting frame is a coal inlet, and a lower opening formed at the lower end of the adjusting frame is a coal outlet.
The utility model has the advantages that:
the utility model discloses a first fine coal screening machine, first fine coal breaker, second fine coal screening machine and the second fine coal breaker of connecting in proper order combine the screening and the fine crushing of coal cinder organically, can effectively avoid the broken of crossing of coal cinder, and fine coal screening machine separates the coal cinder simultaneously, has reduced the coal cinder handling capacity and the crushed coal handling capacity of fine coal breaker to reduce the wearing and tearing of equipment, reduced because the heat energy loss that produces of fine crushing.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the present invention discloses a coal crushing system, which includes a first fine coal screening machine, a first fine coal crushing machine, a second fine coal screening machine and a second fine coal crushing machine connected in sequence; wherein,
the coarse material outlet of the first fine coal screening machine is communicated with the coal inlet of the first fine coal crusher;
the coal outlet of the first fine coal crusher is communicated with the coal inlet of the second fine coal screening machine;
and a coarse material outlet of the second fine coal screening machine is communicated with a coal inlet of the second fine coal crushing device.
As a preferred embodiment of the present invention, the first fine coal screening machine comprises: the screen shaft is arranged in the box body and is rotatably fixed on the inner wall of the box body through a bearing, and one end of the screen shaft penetrates through the box body and is connected with the motor; the motor is arranged on the motor damping device. Motor damping device includes base 8, be provided with motor body arrangement portion and motor shaft anti-vibration mechanism on the base 8:
the body mounting part is used for fixing the motor body 2, and the contact part of the body mounting part and the motor body is a rubber plate 7;
the motor shaft anti-vibration mechanism comprises a bearing part 6 for bearing the motor shaft 1, and the lower part of the bearing part 6 is connected with a damping system;
the damping system is including being fixed in casing 3, shock-absorbing rod 4 and damping wing 5 on the base, the one end of shock-absorbing rod 5 is connected supporting piece 6, and damping wing 5 is connected to the other end, the filling has damping fluid in the casing 3, damping wing 5 is located below the liquid level of damping fluid.
And the first fine coal screening machine and the second fine coal screening machine have the same structure.
In the embodiment, the screening and fine crushing of the coal blocks are organically combined through the first fine coal screening machine, the first fine coal crushing machine, the second fine coal screening machine and the second fine coal crushing machine which are connected in sequence, so that the over-crushing of the coal blocks can be effectively avoided, meanwhile, the small coal blocks are separated by the fine coal screening machine, the coal block processing capacity and the crushed coal processing capacity of the fine coal crushing machine are reduced, the abrasion of equipment is reduced, and the heat energy loss generated due to the over-fine crushing is reduced.
In still another preferred embodiment of the present invention, the first coal pulverizer comprises a machine body, a main shaft, and a hammer head, wherein,
the machine body is provided with a bearing seat, the main shaft is arranged on the bearing seat through a bearing, a plurality of discs are fixed on the main shaft, spacer sleeves are arranged between the discs, a plurality of annular shaft holes are uniformly formed in the circumference of each disc, an annular shaft is arranged in each annular shaft hole, the hammer head is movably connected with one end of the hammer arm through a small shaft, and the other end of the hammer arm is sleeved on the annular shaft. The two sides of the main shaft and the disc are provided with adjusting frames which correspond to each other and are in the shape of a near-sighted arc, wave plates are lined in the adjusting frames, and the distance between each wave plate and the disc is slightly larger than the length of the hammer. The adjusting frame is arranged on the machine body through the upper adjusting frame and the lower adjusting frame, an opening formed at the upper end of the adjusting frame is a coal inlet, and a lower opening formed at the lower end of the adjusting frame is a coal outlet.
Wherein the first fine coal crusher and the second fine coal crusher are identical in structure.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims (7)

1. The coal crushing system is characterized by comprising a first fine coal screening machine, a first fine coal crushing machine, a second fine coal screening machine and a second fine coal crushing machine which are connected in sequence; wherein,
the coarse material outlet of the first fine coal screening machine is communicated with the coal inlet of the first fine coal crusher;
the coal outlet of the first fine coal crusher is communicated with the coal inlet of the second fine coal screening machine;
and a coarse material outlet of the second fine coal screening machine is communicated with a coal inlet of the second fine coal crushing device.
2. The system of claim 1, wherein the first fine coal screener comprises: the screen shaft is arranged in the box body and is rotatably fixed on the inner wall of the box body through a bearing, and one end of the screen shaft penetrates through the box body and is connected with the motor; the motor is arranged on the motor damping device.
3. The system of claim 2, wherein the motor damping device comprises a base, and the base is provided with a motor body placing part and a motor shaft anti-vibration mechanism:
the body mounting part is used for fixing the motor body, and the contact part of the body mounting part and the motor body is a rubber plate;
the motor shaft anti-vibration mechanism comprises a bearing piece for bearing the motor shaft, and the lower part of the bearing piece is connected with a damping system;
the damping system comprises a shell, a damping rod and damping wings, wherein the shell, the damping rod and the damping wings are fixed on the base, one end of the damping rod is connected with the bearing piece, the other end of the damping rod is connected with the damping wings, damping liquid is filled in the shell, and the damping wings are located below the liquid level of the damping liquid.
4. The system of claim 2 or 3, wherein the first coal fine screen and the second coal fine screen are identical in structure.
5. The system of claim 4, wherein the first fine coal pulverizer comprises a body, a main shaft, and a hammer head, wherein,
the machine body is provided with a bearing seat, the main shaft is arranged on the bearing seat through a bearing, a plurality of discs are fixed on the main shaft, spacer sleeves are arranged between the discs, a plurality of annular shaft holes are uniformly formed in the circumference of each disc, an annular shaft is arranged in each annular shaft hole, the hammer head is movably connected with one end of the hammer arm through a small shaft, and the other end of the hammer arm is sleeved on the annular shaft.
6. The system as claimed in claim 5, wherein the spindle and the disc are provided at both sides thereof with respective near-sighted arc-shaped adjustment frames, the adjustment frames are lined with wave plates, and the distance between the wave plates and the disc is slightly greater than the length of the hammer head.
7. The system of claim 6, wherein the adjusting bracket is mounted on the machine body through an upper adjusting bracket and a lower adjusting bracket, the upper end of the adjusting bracket forms an opening which is a coal inlet, and the lower end of the adjusting bracket forms a lower outlet which is a coal outlet.
CN201721872222.8U 2017-12-28 2017-12-28 A kind of broken coal system Expired - Fee Related CN207857087U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721872222.8U CN207857087U (en) 2017-12-28 2017-12-28 A kind of broken coal system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721872222.8U CN207857087U (en) 2017-12-28 2017-12-28 A kind of broken coal system

Publications (1)

Publication Number Publication Date
CN207857087U true CN207857087U (en) 2018-09-14

Family

ID=63467128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721872222.8U Expired - Fee Related CN207857087U (en) 2017-12-28 2017-12-28 A kind of broken coal system

Country Status (1)

Country Link
CN (1) CN207857087U (en)

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 030006 Room 1709, 17th Floor, Times Square, 27 Pioneer Street, Taiyuan High-tech District, Shanxi Province

Patentee after: Guohong Construction Co.,Ltd.

Address before: 030006 Room 1709, 17th Floor, Times Square, 27 Pioneer Street, Taiyuan High-tech District, Shanxi Province

Patentee before: SHANXI OUXUN ELECTRIC POWER CONSTRUCTION CO.,LTD.

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: 20180914

Termination date: 20211228