CN212975353U - High-efficient coal mill - Google Patents

High-efficient coal mill Download PDF

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Publication number
CN212975353U
CN212975353U CN202021625860.1U CN202021625860U CN212975353U CN 212975353 U CN212975353 U CN 212975353U CN 202021625860 U CN202021625860 U CN 202021625860U CN 212975353 U CN212975353 U CN 212975353U
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China
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fixedly connected
coal mill
pipe
bolted
air pump
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CN202021625860.1U
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Inventor
周文平
马育红
李成贵
李玉忠
邵宪行
司国伟
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Minhe Qilianshan Cement Co ltd
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Minhe Qilianshan Cement Co ltd
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Abstract

The utility model provides a high-efficient coal mill, comprising a base plate, the back bolt at bottom plate top has the mount, the center department of mount inner chamber both sides inlays in proper order from a left side to the right side and is equipped with discharging pipe and inlet pipe, discharging pipe and the opposite one side intercommunication of inlet pipe have the barrel, the large-scale bearing of fixedly connected with of center department of barrel both sides, the bottom fixedly connected with fixing base of large-scale bearing, and the bottom of fixing base and the top fixed connection of bottom plate. The utility model discloses a cooperation of air pump, breather pipe, heater strip, three-way pipe and pipeline, the user of being convenient for utilizes the air pump to convey the heat that the heater strip produced to in inlet pipe and the discharging tube to rise the temperature of coal mill entry and coal mill export and adjust, prevent that the temperature control of coal mill entry and coal mill export is low excessively, influence the work efficiency of coal mill, thereby cause coal mill output low and moisture too big, solved traditional coal mill work efficiency and crossed the problem of low.

Description

High-efficient coal mill
Technical Field
The utility model relates to a coal pulverizer field especially relates to a high-efficient coal pulverizer.
Background
The coal mill is a machine for crushing and grinding coal blocks into coal powder, and is an important auxiliary device of a coal powder furnace, the coal grinding process is a process of crushing coal and increasing the surface area of the coal, the new surface area needs to be increased, the binding force between solid molecules needs to be overcome, so energy is consumed, the coal is ground into the coal powder in a coal mill, the coal powder is mainly crushed, smashed and ground in three modes, wherein the energy consumed in the crushing process is the least, the energy consumed in the grinding process is the most, and various coal mills have two or three modes in the powder making process.
However, the working efficiency of the traditional coal mill is too low, the output of the coal mill table is too low, the requirement of the pulverized coal in the kiln can only be basically met, the running rate of the coal mill is continuously higher, the running condition is poor, and meanwhile, the low temperature control at the inlet of the coal mill and the low temperature at the outlet of the coal mill can cause the low output of the coal mill and the overlarge moisture, so that the working efficiency of the coal mill is influenced.
Therefore, it is necessary to provide a high-efficiency coal mill to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-efficient coal mill has solved traditional coal mill work efficiency and has crossed the problem of low excessively.
For solving the technical problem, the utility model provides a pair of high-efficient coal mill, comprising a base plate, the back bolt at bottom plate top has the mount, the center department of mount inner chamber both sides inlays in proper order from a left side to the right side and is equipped with discharging pipe and inlet pipe, discharging pipe and the opposite one side intercommunication of inlet pipe have the barrel, the large-scale bearing of fixedly connected with of center department of barrel both sides, the bottom fixedly connected with fixing base of large-scale bearing, and the bottom of fixing base and the top fixed connection of bottom plate, the inner circle of large-scale bearing is connected with the fixed surface of discharging pipe and inlet pipe, the positive left side in bottom plate top is provided with slewing mechanism, the fixedly connected with heating cabinet is located at the center at mount top, the inner chamber of heating cabinet is provided with heating.
Preferably, heating mechanism includes air pump, breather pipe, heater strip, three-way pipe and pipeline, the top of heating cabinet inner chamber both sides all inlays in proper order after to in the past and is equipped with the heater strip, the left side bolt of heating cabinet inner chamber bottom has the air pump, the air inlet intercommunication of air pump has the breathing pipe, and the one end intercommunication that the air pump was kept away from to the breathing pipe has the suction head, the gas outlet intercommunication of air pump has the breather pipe, the one end that the air pump was kept away from to the breather pipe runs through heating cabinet and mount and the intercommunication has the three-way pipe in proper order, the both ends of three-way pipe all communicate there is the pipeline, the one end that the three-way pipe.
Preferably, slewing mechanism includes motor, gear motor, rotation axis, first gear, fixed plate and second gear, the first installation piece of the positive left side fixedly connected with in bottom plate top, and the top of first installation piece has bolted the motor, the output shaft bolt of motor has the rotation axis, the right side of rotation axis is through first bearing fixedly connected with fixed plate, the bottom fixedly connected with second installation piece of fixed plate, and the bottom of second installation piece and the top fixed connection of bottom plate, the surface of rotation axis all has gear motor and first gear in proper order from a left side to the right side bolted, gear motor's bottom and the top fixed connection of bottom plate, the equal fixedly connected with second gear in both sides on barrel surface, second gear and first gear engagement.
Preferably, the surface of the pipeline is sequentially bolted with fixing pieces from left to right, and the tops of the fixing pieces are bolted with the top of the inner cavity of the fixing frame.
Preferably, the mounting frame is bolted to the left side of the bottom of the inner cavity of the heating box, a through hole is formed in the left side of the top of the mounting frame, the inner cavity of the through hole is fixedly connected with the surface of the air suction pipe, and the air pump is located in the inner cavity of the mounting frame.
Preferably, the bottom of the left side of the fixing plate is fixedly connected with a supporting block, and the bottom of the supporting block is fixedly connected with the top of the second mounting block.
Preferably, the bottom of the right side front of the inner cavity of the heating box is fixedly connected with a temperature sensor, and the center of the right side of the front of the fixing frame is bolted with a controller.
Compared with the prior art, the utility model provides a pair of high-efficient coal mill has following beneficial effect:
the utility model provides a high-efficiency coal mill,
1. the utility model discloses a cooperation of air pump, breather pipe, heater strip, three-way pipe and pipeline, the user of being convenient for utilizes the air pump to convey the heat that the heater strip produced to in inlet pipe and the discharging tube to rise the temperature of coal mill entry and coal mill export and adjust, prevent that the temperature control of coal mill entry and coal mill export is low excessively, influence the work efficiency of coal mill, thereby cause coal mill output low and moisture too big, solved traditional coal mill work efficiency and crossed the problem of low.
2. The utility model improves the heating effect of the heating mechanism to the raw material by matching the fixing piece, improves the stability of the pipeline, prevents the pipeline from dropping or breaking when the pipeline conveys the hot gas by preventing the hot gas from being greatly shaken by matching the air pump, the vent pipe, the heating wire, the three-way pipe and the pipeline, and further improves the stability of the suction head by matching the mounting rack, through the cooperation of supporting shoe, improved the stability of fixed plate, and then improved the stability of rotation axis and first gear, through the cooperation of temperature sensor and controller, convenient to use person carries out real-time supervision to the temperature in the heating cabinet, adjusts the temperature in real time through the controller simultaneously, prevents that the high temperature from influencing the normal operating of equipment in the heating cabinet.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a high efficiency coal mill according to the present invention;
FIG. 2 is a sectional view of the heating cabinet of FIG. 1;
fig. 3 is an enlarged view of the structure of the region a shown in fig. 1.
Reference numbers in the figures: 1. a base plate; 2. a fixed mount; 3. a rotating mechanism; 31. a motor; 32. a reduction motor; 33. a rotating shaft; 34. a first gear; 35. a fixing plate; 36. a second gear; 4. a discharge pipe; 5. a feed pipe; 6. a barrel; 7. a large bearing; 8. a heating box; 9. a heating mechanism; 91. an air pump; 92. a breather pipe; 93. heating wires; 94. a three-way pipe; 95. a pipeline; 10. a fixing member; 11. a mounting frame; 12. a temperature sensor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, in which fig. 1 is a schematic structural diagram of a preferred embodiment of a high-efficiency coal mill according to the present invention; FIG. 2 is a sectional view of the heating cabinet of FIG. 1; fig. 3 is the enlarged schematic diagram of the structure in the A district that fig. 1 shows, a high-efficient coal mill, including bottom plate 1, the back at bottom plate 1 top has bolted connection mount 2, the center department of 2 inner chamber both sides of mount inlays in proper order from a left side to the right side and is equipped with discharging pipe 4 and inlet pipe 5, discharging pipe 4 and the opposite side intercommunication of inlet pipe 5 have barrel 6, the center department fixedly connected with large-scale bearing 7 of 6 both sides of barrel, the bottom fixedly connected with fixing base of large-scale bearing 7, and the bottom of fixing base and the top fixed connection of bottom plate 1, the inner circle of large-scale bearing 7 is connected with discharging pipe 4 and inlet pipe 5's fixed surface, the positive left side in bottom plate 1 top is provided with slewing mechanism 3, the center department fixedly connected with heating cabinet 8 at 2 tops of mount, the inner chamber of heating cabinet 8 is.
The heating mechanism 9 comprises an air pump 91, a vent pipe 92, a heating wire 93, a three-way pipe 94 and a pipeline 95, the heating wires 93 are sequentially embedded in the top parts of the two sides of the inner cavity of the heating box 8 from front to back, the air pump 91 is bolted on the left side of the bottom of the inner cavity of the heating box 8, an air inlet of the air pump 91 is communicated with the air suction pipe, a suction head is communicated with one end of the air suction pipe, which is far away from the air pump 91, an air outlet of the air pump 91 is communicated with the vent pipe 92, one end of the air pipe 92, which is far away from the air pump 91, sequentially penetrates through the heating box 8 and the fixing frame 2 and is communicated with the three-way pipe 94, two ends of the three-way pipe 94 are communicated with the pipeline 95, one end of the pipeline 95, which is far away from the three-way pipe 94, is respectively communicated with the, the temperature in the feeding pipe 5 and the discharging pipe 4 is prevented from being too low, thereby reducing the working efficiency of the coal mill.
The rotating mechanism 3 comprises a motor 31, a speed reducing motor 32, a rotating shaft 33, a first gear 34, a fixing plate 35 and a second gear 36, the first mounting block is fixedly connected to the front left side of the top of the bottom plate 1, the motor 31 is bolted to the top of the first mounting block, the rotating shaft 33 is bolted to an output shaft of the motor 31, the fixing plate 35 is fixedly connected to the right side of the rotating shaft 33 through a first bearing, the second mounting block is fixedly connected to the bottom of the fixing plate 35, the bottom of the second mounting block is fixedly connected to the top of the bottom plate 1, the speed reducing motor 32 and the first gear 34 are sequentially bolted to the surface of the rotating shaft 33 from left to right, the bottom of the speed reducing motor 32 is fixedly connected to the top of the bottom plate 1, the second gear 36 is fixedly connected to both sides of the surface of the cylinder 6, the second gear 36 is meshed with the first gear 34, and the rotating shaft is connected to the, Gear motor 32, rotation axis 33, first gear 34, fixed plate 35 and 36 cooperation of second gear, the person of facilitating the use rotates barrel 6 to grind the raw materials fast, make the raw materials full contact in steam and inlet pipe 5 and the discharging pipe 4 simultaneously, improved the heating effect of heating mechanism 9 to the raw materials.
The surface of pipeline 95 all has bolted in proper order from a left side to the right side to have mounting 10, the top of mounting 10 and the top bolt of 2 inner chambers of mount have improved pipeline 95's stability through mounting 10's cooperation, prevent that pipeline 95 from appearing rocking by a wide margin when conveying hot gas, and then make pipeline 95 take place to drop or the fracture.
Mounting bracket 11 has been bolted on the left side of 8 inner chambers bottoms of heating cabinet, the through-hole has been seted up in the left side at mounting bracket 11 top, and the fixed surface of the inner chamber of through-hole and breathing pipe is connected, air pump 91 is located the inner chamber of mounting bracket 11, through the cooperation of mounting bracket 11, has improved the stability of breathing pipe, and then has improved the stability of suction head.
The bottom fixedly connected with supporting shoe on the left of fixed plate 35, and the bottom of supporting shoe and the top fixed connection of second installation piece have improved fixed plate 35's stability through the cooperation of supporting shoe, and then have improved the stability of rotation axis 33 and first gear 34.
The positive bottom fixedly connected with temperature sensor 12 in 8 inner chambers right sides of heating cabinet, the central department bolt on the positive right side of mount 2 has the controller, and through the cooperation of temperature sensor 12 and controller, convenient to use person carries out real-time supervision to the temperature in the heating cabinet 8, adjusts the temperature in real time through the controller simultaneously, prevents that the high temperature from influencing the normal operating of equipment in the heating cabinet 8.
The utility model provides a pair of high-efficient coal mill's theory of operation as follows:
when using, the user opens heater strip 93 and air pump 91 through the controller, the heat that air pump 91 produced heater strip 93 conveys to inlet pipe 5 and discharging pipe 4 in via breather pipe 92 this moment, thereby rise the regulation to the temperature of coal mill entry and coal mill export, the user opens motor 31 through the controller afterwards, motor 31 drives rotation axis 33 this moment and rotates, thereby it rotates to drive first gear 34, first gear 34 drives second gear 36 and rotates afterwards, second gear 36 drives barrel 6 and carries out the wholely rotation this moment, thereby grind the raw materials fast, make steam and the raw materials in inlet pipe 5 and the discharging pipe 4 fully contact simultaneously, the temperature control who prevents coal mill entry and coal mill export is crossed lowly, influence the work efficiency of coal mill, thereby cause the low and too big moisture of coal mill output.
Compared with the prior art, the utility model provides a pair of high-efficient coal mill has following beneficial effect:
the utility model discloses an air pump 91, breather pipe 92, heater strip 93, three-way pipe 94 and pipeline 95's cooperation, convenient to use person utilizes air pump 91 to convey in inlet pipe 5 and discharging pipe 4 the heat that heater strip 93 produced, thereby the temperature to coal mill entry and coal mill export risees the regulation, the temperature control who prevents coal mill entry and coal mill export is crossed lowly, influence the work efficiency of coal mill, thereby cause coal mill output low and moisture too big, the problem that traditional coal mill work efficiency crossed lowly has been solved.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. A high-efficiency coal mill comprises a bottom plate (1), and is characterized in that: the back of the top of the bottom plate (1) is bolted with a fixed frame (2), the centers of the two sides of the inner cavity of the fixed frame (2) are sequentially embedded with a discharge pipe (4) and a feed pipe (5) from left to right, one side of the discharge pipe (4) opposite to the feed pipe (5) is communicated with a cylinder body (6), the centers of the two sides of the cylinder body (6) are fixedly connected with large bearings (7), the bottoms of the large bearings (7) are fixedly connected with fixed seats, the bottom of the fixed seat is fixedly connected with the top of the bottom plate (1), the inner ring of the large-scale bearing (7) is fixedly connected with the surfaces of the discharge pipe (4) and the feed pipe (5), a rotating mechanism (3) is arranged on the left side of the front surface of the top of the bottom plate (1), the center department fixedly connected with heating cabinet (8) at mount (2) top, the inner chamber of heating cabinet (8) is provided with heating mechanism (9).
2. The efficient coal mill according to claim 1, wherein the heating mechanism (9) comprises an air pump (91), an air pipe (92), a heating wire (93), a three-way pipe (94) and a pipeline (95), the heating wire (93) is sequentially embedded in the top of the two sides of the inner cavity of the heating box (8) from front to back, the air pump (91) is bolted to the left side of the bottom of the inner cavity of the heating box (8), an air inlet of the air pump (91) is communicated with an air suction pipe, one end of the air suction pipe, which is far away from the air pump (91), is communicated with a suction head, an air outlet of the air pump (91) is communicated with the air pipe (92), one end of the air pipe (92), which is far away from the air pump (91), sequentially penetrates through the heating box (8) and the fixing frame (2) and is communicated with the three-way pipe (94), the two ends of the three-way pipe (94) are communicated with the pipeline (95), one end of the .
3. The high-efficiency coal mill according to claim 1, wherein the rotating mechanism (3) comprises a motor (31), a reduction motor (32), a rotating shaft (33), a first gear (34), a fixing plate (35) and a second gear (36), a first mounting block is fixedly connected to the left side of the front surface of the top of the bottom plate (1), the motor (31) is bolted to the top of the first mounting block, the rotating shaft (33) is bolted to an output shaft of the motor (31), the fixing plate (35) is fixedly connected to the right side of the rotating shaft (33) through a first bearing, a second mounting block is fixedly connected to the bottom of the fixing plate (35), the bottom of the second mounting block is fixedly connected to the top of the bottom plate (1), the reduction motor (32) and the first gear (34) are sequentially bolted to the surface of the rotating shaft (33) from left to right, and the bottom of the reduction motor (32) is fixedly connected to the top of the bottom plate (1), and both sides of the surface of the cylinder body (6) are fixedly connected with second gears (36), and the second gears (36) are meshed with the first gears (34).
4. The high-efficiency coal mill according to claim 2, characterized in that the surface of the pipeline (95) is sequentially bolted with a fixing piece (10) from left to right, and the top of the fixing piece (10) is bolted with the top of the inner cavity of the fixing frame (2).
5. The efficient coal mill as claimed in claim 2, wherein a mounting frame (11) is bolted to the left side of the bottom of the inner cavity of the heating box (8), a through hole is formed in the left side of the top of the mounting frame (11), the inner cavity of the through hole is fixedly connected with the surface of the air suction pipe, and the air pump (91) is located in the inner cavity of the mounting frame (11).
6. The high-efficiency coal mill according to claim 3, wherein a support block is fixedly connected to the bottom of the left side of the fixing plate (35), and the bottom of the support block is fixedly connected to the top of the second mounting block.
7. The high-efficiency coal mill according to claim 1, characterized in that a temperature sensor (12) is fixedly connected to the bottom of the right front side of the inner cavity of the heating box (8), and a controller is bolted to the center of the right front side of the fixing frame (2).
CN202021625860.1U 2020-08-07 2020-08-07 High-efficient coal mill Active CN212975353U (en)

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CN202021625860.1U CN212975353U (en) 2020-08-07 2020-08-07 High-efficient coal mill

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CN202021625860.1U CN212975353U (en) 2020-08-07 2020-08-07 High-efficient coal mill

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CN212975353U true CN212975353U (en) 2021-04-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114534901A (en) * 2022-03-01 2022-05-27 华能上海石洞口发电有限责任公司 Coal mill primary air control logic optimization method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114534901A (en) * 2022-03-01 2022-05-27 华能上海石洞口发电有限责任公司 Coal mill primary air control logic optimization method
CN114534901B (en) * 2022-03-01 2022-11-11 华能上海石洞口发电有限责任公司 Coal mill primary air control logic optimization method

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