CN107830730B - Automatic rotary kiln body movement adjusting device and method - Google Patents
Automatic rotary kiln body movement adjusting device and method Download PDFInfo
- Publication number
- CN107830730B CN107830730B CN201711250135.3A CN201711250135A CN107830730B CN 107830730 B CN107830730 B CN 107830730B CN 201711250135 A CN201711250135 A CN 201711250135A CN 107830730 B CN107830730 B CN 107830730B
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- China
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- rotary kiln
- push rod
- kiln
- control system
- supporting wheel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
- F27B7/2206—Bearing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
- F27B7/2206—Bearing rings
- F27B2007/2213—Bearing rings mounted floatingly on the drum
Abstract
The invention relates to an automatic adjusting device and method for kiln body movement of a rotary kiln.A single-side supporting wheel bearing set far away from one end of a rotary kiln rotary driving device is provided with 2 push rods, and the push rod driving device drives one push rod to push a bearing seat of the supporting wheel bearing set so as to enable the axis of a supporting wheel and the axis of the kiln body of the rotary kiln to deflect by an angle; the rotary kiln corresponding to one side of the supporting wheel bearing group is fixedly provided with a supporting wheel rotation quantity detection device which is used for detecting the actual rotation quantity of the supporting wheels; a rotary kiln channeling amount detection device is fixed on the rotary kiln foundation below the corresponding wheel belt and is used for detecting the actual axial channeling amount of the rotary kiln; the push rod driving device, the riding wheel rotation amount detecting device and the rotary kiln movement amount detecting device are respectively connected with the control system. The rotary kiln body can be automatically adjusted to move according to the requirement, the moving direction and speed are accurately controlled, the difficulty and the working strength of kiln adjustment operation are reduced, and the stability of the rotary kiln operation and the extension of the service life are facilitated.
Description
Technical Field
The invention relates to the technical field of rotary kilns, in particular to an automatic rotary kiln body movement adjusting device and method.
Background
The rotary kiln body is a cylinder which is obliquely arranged at a certain angle with the horizontal direction, and is supported by 2 or more groups of supporting wheel bearing groups for rotation. Under normal conditions, the axis of the riding wheel is parallel to the axis of the kiln body of the rotary kiln, and the contact between the riding wheel and the wheel belt of the rotary kiln is ensured to be uniform. However, as the rotary kiln body is obliquely arranged, the rotary kiln body can move downwards under the action of gravity, and when moving downwards to the lowest limit position, the rotary kiln body needs to be adjusted to move upwards; the adjustment method generally adopts the method that the supporting wheel bearing group is rotated by a certain angle, so that the supporting wheel generates an upward force on the wheel belt, and the kiln body of the rotary kiln moves upwards.
Disclosure of Invention
The invention provides an automatic rotary kiln body movement adjusting device and method, which can automatically adjust the rotary kiln body to move according to the requirement, accurately control the movement direction and speed, reduce the difficulty and the working strength of kiln adjustment operation, and are beneficial to the running stability of the rotary kiln and the extension of the service life of the rotary kiln.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
an automatic rotary kiln body movement adjusting device is characterized in that the rotary kiln is supported and rotated by a plurality of groups of supporting wheel bearing groups, and wheel belts and supporting wheels are arranged on the outer side of the rotary kiln body at corresponding positions and are supported in a matched manner; the kiln body movement automatic regulating device comprises a push rod, a push rod driving device, a riding wheel rotation amount detecting device, a rotary kiln movement amount detecting device and a control system; 2 push rods are arranged on the outer side of a single-side supporting wheel bearing set far away from one end of the rotary kiln rotary driving device, the 2 push rods are respectively arranged at the high-side end and the low-side end of the corresponding rotary kiln, and the push rod driving device drives one push rod to push a bearing seat of the supporting wheel bearing set so that the supporting wheel axis and the rotary kiln body axis deflect by an angle; the rotary kiln corresponding to one side of the supporting wheel bearing group is fixedly provided with a supporting wheel rotation quantity detection device which is used for detecting the actual rotation quantity of the supporting wheels; a rotary kiln running amount detection device is fixed on the rotary kiln foundation below the corresponding wheel belt, is matched with a detected piece arranged on the wheel belt and is used for detecting the actual axial running amount of the rotary kiln; the push rod driving device, the riding wheel rotation amount detecting device and the rotary kiln movement amount detecting device are respectively connected with the control system.
The push rod driving device comprises a motor and a large reduction ratio speed reducer which are connected, the push rod adopts a spiral push rod, and the power output end of the large reduction ratio speed reducer is connected with the spiral push rod to drive the extending end of the spiral push rod to stretch out and retract.
The bearing seat outside of the riding wheel bearing group is provided with a limiting device, the limiting device comprises an arc limiting plate arranged on the outer side of the bearing seat, and the bearing seat pushed by the push rod can only rotate around the center of the riding wheel under the action of the limiting device.
The riding wheel rotation amount detection device is a displacement sensor.
The rotary kiln channeling amount detection device is composed of a position detection switch and a distance sensor, wherein the position detection switch and the distance sensor are respectively connected with a control system.
The control system is a PLC control system and is arranged in a control box at one side of the rotary kiln, and an operation panel is arranged at the top of the control box.
The automatic rotary kiln body movement adjusting method based on the device comprises the following steps:
1) When the rotary kiln rotates, the riding wheels rotate in opposite directions, and the rotary kiln moves towards the kiln low point under the action of the component force of gravity pointing to the kiln low point;
2) When the speed of the rotary kiln moving towards the kiln low point is required to be slowed down or the rotary kiln moves towards the kiln high point, the control system sends a control signal to start the push rod driving device corresponding to one end of the rotary kiln high side, and small displacement extension of the push rod is realized through the speed reducer with a large reduction ratio and the screw mechanism; the push rod pushes one side corresponding to the bearing seat of the supporting wheel bearing set; meanwhile, a push rod driving device corresponding to one end of the lower side of the rotary kiln drives a corresponding push rod to retract synchronously;
3) Under the pushing action of the push rod and the limiting action of the limiting device, the bearing seat deflects an angle around the center of the riding wheel, and an included angle is formed between the axis of the riding wheel and the axis of the rotary kiln;
4) The riding wheel rotation quantity detection device detects the actual displacement quantity of the riding wheel at the corresponding detection point, transmits a displacement quantity signal to the control system, and the control system converts the linear displacement quantity into an angular displacement quantity through calculation and compares the angular displacement quantity with the set rotation displacement quantity; when the two are the same, the control system sends out a signal to enable the 2 push rod driving devices to stop acting at the same time;
5) When the riding wheel rotates, acting force pointing to the kiln high point is generated on the rotary kiln, and the resultant force of the acting force and the component force of gravity acting on the rotary kiln pointing to the kiln low point can slow down the downward movement speed of the rotary kiln or enable the rotary kiln to move to the kiln high point in turn;
6) The rotary kiln running amount detection device is used for detecting the actual running direction and the axial running amount of the rotary kiln, the position detection switch is used for sensing a detected piece on the rotary kiln, and sending a signal to the control system after sensing, and the distance sensor is controlled to detect the distance between the rotary kiln running amount detection device and the detected piece; the rotary kiln movement amount detection device detects the distance between the rotary kiln and a detected piece once every rotation of the rotary kiln, and the speed and the direction of the rotary kiln movement can be calculated by comparing the detection results of 2 continuous times;
7) After each time the supporting wheel bearing group is adjusted, the control system compares the moving direction and moving speed fed back by the rotary kiln moving amount detection device with the set moving speed and moving amount, and determines the execution amount in the next adjustment according to the comparison result.
The set rotational displacement and the set movement speed and the set movement quantity are input into the control system through the operation panel.
Compared with the prior art, the invention has the beneficial effects that:
1) The rotary kiln body can be automatically controlled to move in a required direction, the moving direction and speed can be accurately controlled, and the difficulty and the working strength of kiln adjustment operation are reduced;
2) The rotary kiln body can uniformly move at a certain speed, so that the uniform abrasion of the riding wheels is facilitated, and the riding wheels are effectively prevented from generating grooves or bulges; the running stability of the rotary kiln and the service life extension are facilitated.
Drawings
FIG. 1 is a schematic view of a rotary kiln and a bearing assembly of a carrier roller according to the present invention.
Fig. 2 is a schematic structural view of an automatic rotary kiln body movement adjusting device according to the present invention.
Fig. 3 is a schematic diagram of the rotary kiln body automatic adjusting device after adjustment.
In the figure: 1. the rotary kiln comprises a rotary kiln 2, a supporting wheel bearing set 3, a supporting wheel 4, a wheel belt 5, a push rod 6, a push rod driving device 7, a bearing seat 8, a limiting device 9, a supporting wheel rotation amount detection device 10, a rotary kiln play amount detection device 11 and a rotary kiln foundation
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
the invention relates to an automatic rotary kiln body movement adjusting device, as shown in figure 1, a rotary kiln 1 is supported and rotated by a plurality of groups of supporting wheel bearing groups 2, and a wheel belt 4 is arranged on the outer side of the rotary kiln 1 at a corresponding position and is supported in a matched manner with a supporting wheel 2; as shown in fig. 2, the kiln body movement automatic adjusting device comprises a push rod 5, a push rod driving device 6, a riding wheel rotation amount detecting device 9, a rotary kiln movement amount detecting device 10 and a control system; 2 push rods 5 are arranged on the outer side of a single-side supporting wheel bearing set 2 far away from one end of a rotary kiln 1 rotation driving device, the 2 push rods 5 are respectively arranged at the high-side end and the low-side end of the corresponding rotary kiln, and a push rod driving device 6 drives one push rod 5 to push a bearing seat 7 of the supporting wheel bearing set 2 so that the axis of a supporting wheel 3 and the axis of a kiln body of the rotary kiln 1 are deflected by an angle; a riding wheel rotation amount detection device 9 is fixed on the basis of the rotary kiln corresponding to one side of the riding wheel bearing group 2 and is used for detecting the actual rotation amount of the riding wheel 3; a rotary kiln movement amount detection device 10 is fixed on the basis of the rotary kiln below the corresponding wheel belt 4, is matched with a detected piece arranged on the wheel belt 4 and is used for detecting the actual axial movement amount of the rotary kiln 1; the push rod driving device 6, the riding wheel rotation amount detecting device 9 and the rotary kiln movement amount detecting device 10 are respectively connected with a control system.
The push rod driving device 6 comprises a motor and a large reduction ratio speed reducer which are connected, the push rod 5 adopts a spiral push rod, and the power output end of the large reduction ratio speed reducer is connected with the spiral push rod to drive the extending end of the spiral push rod to stretch out and draw back.
The limiting device 8 is arranged on the outer side of the bearing seat 7 of the supporting wheel bearing set 2, the limiting device 8 comprises an arc limiting plate arranged on the outer side of the bearing seat 7, and under the action of the limiting device 8, the bearing seat 7 pushed by the push rod 5 can only rotate around the center of the supporting wheel 3.
The riding wheel rotation amount detection device 9 is a displacement sensor.
The rotary kiln movement detecting device 10 is composed of a position detecting switch and a distance sensor, wherein the position detecting switch and the distance sensor are respectively connected with a control system.
The control system is a PLC control system and is arranged in a control box at one side of the rotary kiln 1, and an operation panel is arranged at the top of the control box.
The automatic rotary kiln body movement adjusting method based on the device comprises the following steps:
1) When the rotary kiln 1 rotates, the riding wheels 3 rotate in opposite directions, and the rotary kiln 1 moves towards the kiln low point under the action of the component force of gravity pointing to the kiln low point;
2) As shown in fig. 3, when the speed of the rotary kiln 1 moving towards the kiln low point needs to be slowed down or the rotary kiln 1 is moved towards the kiln high point, the control system sends a control signal to start the push rod driving device 6 corresponding to one end of the rotary kiln high side, and small displacement extension of the push rod 5 is realized through the large reduction ratio speed reducer and the screw mechanism; the push rod 5 pushes the corresponding side of the bearing seat 7 of the supporting wheel bearing set 2; meanwhile, a push rod driving device 6 corresponding to one end of the lower side of the rotary kiln drives a corresponding push rod 5 to retract synchronously;
3) Under the pushing action of the push rod 5 and the limiting action of the limiting device 8, the bearing seat 7 deflects an angle around the center of the riding wheel 3, and an included angle is formed between the axis of the riding wheel 3 and the axis of the rotary kiln 1;
4) The riding wheel rotation quantity detection device 9 detects the actual displacement quantity of the riding wheel 3 corresponding to the detection point, transmits a displacement quantity signal to the control system, and the control system converts the linear displacement quantity into an angular displacement quantity through calculation and compares the angular displacement quantity with the set rotation displacement quantity; when the two are the same, the control system sends out a signal to enable the 2 push rod driving devices 6 to stop acting at the same time;
5) When the riding wheel 3 rotates, acting force pointing to the kiln high point is generated on the rotary kiln 1, and the resultant force of the acting force and the component force of gravity acting on the rotary kiln 1 pointing to the kiln low point can slow down the downward movement speed of the rotary kiln 1 or enable the rotary kiln 1 to move to the kiln high point in turn;
6) The rotary kiln movement amount detection device 10 is used for detecting the actual movement direction and the axial movement amount of the rotary kiln 1, wherein the position detection switch is used for sensing a detected piece on the rotary kiln 1, and sending a signal to the control system after sensing, so as to control the distance between the distance sensor and the detected piece; the rotary kiln 1 is rotated once, the rotary kiln movement amount detection device 10 detects the distance between the rotary kiln movement amount detection device and a detected piece once, and the movement speed and direction of the rotary kiln 1 can be calculated by comparing the detection results of 2 continuous times;
7) After each adjustment of the supporting wheel bearing set 2, the control system compares the movement direction and movement speed fed back by the rotary kiln movement amount detection device 10 with the set movement speed and movement amount, and determines the execution amount in the next adjustment according to the comparison result.
The set rotational displacement and the set movement speed and the set movement quantity are input into the control system through the operation panel.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. An automatic rotary kiln body movement adjusting device is characterized in that the rotary kiln is supported and rotated by a plurality of groups of supporting wheel bearing groups, and wheel belts and supporting wheels are arranged on the outer side of the rotary kiln body at corresponding positions and are supported in a matched manner; the automatic kiln body movement adjusting device is characterized by comprising a push rod, a push rod driving device, a riding wheel rotation amount detecting device, a rotary kiln movement amount detecting device and a control system; 2 push rods are arranged on the outer side of a single-side supporting wheel bearing set far away from one end of the rotary kiln rotary driving device, the 2 push rods are respectively arranged at the high-side end and the low-side end of the corresponding rotary kiln, and the push rod driving device drives one push rod to push a bearing seat of the supporting wheel bearing set so that the supporting wheel axis and the rotary kiln body axis deflect by an angle; the rotary kiln corresponding to one side of the supporting wheel bearing group is fixedly provided with a supporting wheel rotation quantity detection device which is used for detecting the actual rotation quantity of the supporting wheels; a rotary kiln running amount detection device is fixed on the rotary kiln foundation below the corresponding wheel belt, is matched with a detected piece arranged on the wheel belt and is used for detecting the actual axial running amount of the rotary kiln; the push rod driving device, the riding wheel rotation amount detecting device and the rotary kiln movement amount detecting device are respectively connected with the control system.
2. The automatic rotary kiln body movement adjusting device according to claim 1, wherein the push rod driving device comprises a motor and a large reduction ratio speed reducer which are connected, the push rod adopts a spiral push rod, and a power output end of the large reduction ratio speed reducer is connected with the spiral push rod to drive an extending end of the spiral push rod to stretch and retract.
3. The automatic rotary kiln body movement adjusting device according to claim 1, wherein the limiting device is arranged outside the bearing seat of the supporting wheel bearing set and comprises an arc limiting plate arranged outside the bearing seat, and under the action of the limiting device, the bearing seat pushed by the push rod can only rotate around the center of the supporting wheel.
4. The automatic rotary kiln body movement adjusting device according to claim 1, wherein the riding wheel rotation amount detecting device is a displacement sensor.
5. The automatic rotary kiln body movement adjusting device according to claim 1, wherein the rotary kiln movement detecting device comprises a position detecting switch and a distance sensor, and the position detecting switch and the distance sensor are respectively connected with a control system.
6. The automatic rotary kiln body movement adjusting device according to claim 1, wherein the control system is a PLC control system and is arranged in a control box at one side of the rotary kiln, and an operation panel is arranged at the top of the control box.
7. An automatic rotary kiln body movement adjusting method based on the device of claim 1, which is characterized by comprising the following steps:
1) When the rotary kiln rotates, the riding wheels rotate in opposite directions, and the rotary kiln moves towards the kiln low point under the action of the component force of gravity pointing to the kiln low point;
2) When the speed of the rotary kiln moving towards the kiln low point is required to be slowed down or the rotary kiln moves towards the kiln high point, the control system sends a control signal to start the push rod driving device corresponding to one end of the rotary kiln high side, and small displacement extension of the push rod is realized through the speed reducer with a large reduction ratio and the screw mechanism; the push rod pushes one side corresponding to the bearing seat of the supporting wheel bearing set; meanwhile, a push rod driving device corresponding to one end of the lower side of the rotary kiln drives a corresponding push rod to retract synchronously;
3) Under the pushing action of the push rod and the limiting action of the limiting device, the bearing seat deflects an angle around the center of the riding wheel, and an included angle is formed between the axis of the riding wheel and the axis of the rotary kiln;
4) The riding wheel rotation quantity detection device detects the actual displacement quantity of the riding wheel at the corresponding detection point, transmits a displacement quantity signal to the control system, and the control system converts the linear displacement quantity into an angular displacement quantity through calculation and compares the angular displacement quantity with the set rotation displacement quantity; when the two are the same, the control system sends out a signal to enable the 2 push rod driving devices to stop acting at the same time;
5) When the riding wheel rotates, acting force pointing to the kiln high point is generated on the rotary kiln, and the resultant force of the acting force and the component force of gravity acting on the rotary kiln pointing to the kiln low point can slow down the downward movement speed of the rotary kiln or enable the rotary kiln to move to the kiln high point in turn;
6) The rotary kiln running amount detection device is used for detecting the actual running direction and the axial running amount of the rotary kiln, the position detection switch is used for sensing a detected piece on the rotary kiln, and sending a signal to the control system after sensing, and the distance sensor is controlled to detect the distance between the rotary kiln running amount detection device and the detected piece; the rotary kiln movement amount detection device detects the distance between the rotary kiln and a detected piece once every rotation of the rotary kiln, and the speed and the direction of the rotary kiln movement can be calculated by comparing the detection results of 2 continuous times;
7) After each time the supporting wheel bearing group is adjusted, the control system compares the moving direction and moving speed fed back by the rotary kiln moving amount detection device with the set moving speed and moving amount, and determines the execution amount in the next adjustment according to the comparison result.
8. An automatic rotary kiln body movement adjusting method based on the device of claim 7, characterized in that the set rotational displacement and the set movement speed and movement amount are input into a control system through an operation panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711250135.3A CN107830730B (en) | 2017-12-01 | 2017-12-01 | Automatic rotary kiln body movement adjusting device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250135.3A CN107830730B (en) | 2017-12-01 | 2017-12-01 | Automatic rotary kiln body movement adjusting device and method |
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| CN107830730A CN107830730A (en) | 2018-03-23 |
| CN107830730B true CN107830730B (en) | 2023-08-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927632A (en) * | 2018-09-25 | 2018-12-04 | 无锡三虹重工机械设备有限公司 | A kind of anti-jumping turning rolls |
| CN109340770B (en) * | 2018-10-09 | 2020-01-07 | 新中天环保股份有限公司 | Kiln body moving device of rotary kiln |
| CN112556406B (en) * | 2020-12-11 | 2023-01-06 | 北京首钢股份有限公司 | Adjusting device of rotary kiln position and rotary kiln |
| CN116255826B (en) * | 2023-05-15 | 2023-08-15 | 江苏圣曼科技工程有限公司 | Rotary kiln riding wheel position detection device |
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