CN110906748A - Grate cooler with clinker bed thickness measuring instrument - Google Patents
Grate cooler with clinker bed thickness measuring instrument Download PDFInfo
- Publication number
- CN110906748A CN110906748A CN201911214845.XA CN201911214845A CN110906748A CN 110906748 A CN110906748 A CN 110906748A CN 201911214845 A CN201911214845 A CN 201911214845A CN 110906748 A CN110906748 A CN 110906748A
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- China
- Prior art keywords
- grate cooler
- measuring instrument
- fixed
- grate
- measuring
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
- F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
- F27D15/022—Cooling with means to convey the charge comprising a cooling grate grate plates
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a grate cooler with a clinker bed thickness measuring instrument, which belongs to the field of cement manufacturing equipment, in particular to a grate cooler; providing a grate cooler capable of measuring the thickness of a clinker bed; the technical scheme is as follows: a grate cooler with a clinker bed thickness measuring instrument comprises: a grate cooler and a measuring instrument; a through hole is formed in the shell above the grate plate of the grate cooler, and a measuring instrument is fixed in the through hole; the invention is widely applicable to the field of cement production and processing.
Description
Technical Field
The invention discloses a grate cooler with a clinker bed thickness measuring instrument, belongs to the field of cement manufacturing equipment, and particularly relates to a grate cooler.
Background
The grate cooler is an important host machine device in a clinker firing system of a cement plant, and has the main functions of cooling and conveying cement clinker; meanwhile, hot air is provided for the rotary kiln, the decomposing furnace and the like, and the device is a main device for heat recovery of a firing system.
In the clinker production process, the transmission control system of the grate cooler directly influences the stability of the whole cement production system and influences the cement quality and the heat recovery efficiency. The clinker bed thickness is one of the main control parameters in the grate cooler control system, and the bed thickness determines the speed of the grate speed, thereby influencing the working effect of the air supply system. Therefore, the accurate measurement of the thickness of the material layer in the grate cooler has important significance for improving the product quality and the production efficiency.
In doctor's academic paper "research on clinker parameter measurement and control model of grate cooler" of Yanshan university, mention is made: the research and application of thickness measurement at home and abroad have many aspects, I.Kazuhiko et al researches a laser real-time thickness measuring method, Zhang Weimin introduces the application of a radar charge level indicator in a cement plant, Zhuzhu et al researches the principle and application of a charge level indicator commonly used in the cement plant, Zhang Min et al applies the thickness gauge to the field of plate strip rolling, Qiansuhang et al introduces a high-precision automatic thickness measuring system based on error dynamic correction, Weitianfeng et al introduces the design of an intelligent online thickness measuring system in detail, Liyabiao et al introduces the development of a high-precision capacitance type dynamic film thickness gauge, and Lilinger et al deeply analyzes a ray thickness gauge. Because of the severe working environment in the grate cooler, the thickness of the clinker layer is not directly measured in the existing cement production field, but the thickness of the clinker layer is estimated and controlled by indirectly measuring the wind pressure of the wind chamber and the current of the spindle motor of the pushing rod. Because the thickness of the material layer, the wind pressure of the wind chamber and the current of the spindle motor have no definite functional relation, the precision of controlling the thickness of the material layer by adopting the two parameters is difficult to ensure.
Through years of development, currently, in the actual operation process, the measurement mode of the clinker thickness of the grate cooler is rarely applied, the equipment is expensive, the failure rate is high, in addition, the clinker thickness is indirectly controlled by mainly controlling the speed of a grate plate of the grate cooler at present, but an effective device for directly measuring the clinker thickness is still lost.
Disclosure of Invention
In order to solve the technical problem, the invention provides a grate cooler capable of measuring the thickness of a clinker layer.
In order to achieve the technical purpose, the technical scheme provided by the invention is as follows:
a grate cooler with a clinker bed thickness measuring instrument comprises: a grate cooler and a measuring instrument; a through hole is formed in the shell above the grate plate of the grate cooler, and a measuring instrument is fixed in the through hole.
The measuring instrument comprises: the device comprises a sleeve, a measuring rod and a lifting module; the sleeve pipe is of a tubular structure with openings at two ends, the sleeve pipe is vertically fixed in the through hole, the measuring rod penetrates through the sleeve pipe and can move up and down in the through hole in a reciprocating mode, a graduated scale is arranged on the measuring rod, the measuring rod is connected with the lifting module, and the lifting module is used for controlling the lifting of the measuring rod.
And a bottom plate is horizontally fixed at the lower end of the measuring rod.
The unit of the graduated scale is mm, and the graduated scale is sequentially marked with scales of 0-100 mm from top to bottom.
When the lower end face of the bottom plate is abutted against the upper end face of the grate plate of the grate cooler, the 0 scale mark of the graduated scale is flush with the upper end opening of the sleeve.
As a preferred technical scheme of the invention: the lifting module comprises: a winch, a pulley block and a rope; one end of the rope is connected with the upper end of the measuring rod, the other end of the rope is connected with the winch after bypassing the pulley block, and the pulley block is fixed above the measuring rod.
The pulley block comprises a fixed pulley A and a fixed pulley B, the fixed pulley A and the fixed pulley B are fixed above the measuring rod, and the other end of the rope bypasses the fixed pulley A and the fixed pulley B and then is connected with the winch.
As another preferable technical scheme of the invention: the lifting module comprises: a transmission, a moving gear and a spur rack; the gearbox is characterized in that a movable gear is coaxially fixed on an output shaft of the gearbox, a spur rack is fixed on the upper portion of the measuring rod, the movable gear is meshed with the spur rack, and the gearbox is fixed on a housing of the grate cooler.
And the input shaft of the speed changer is fixedly connected with the hand-operated wheel or the output shaft of the motor.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the measuring instrument is arranged on the grate cooler, so that the clinker thickness inside the grate cooler can be accurately measured, the clinker layer thickness parameter is obtained, and the transmission control system of the grate cooler is convenient to optimize.
The sleeve is adopted, on one hand, the graduated scale of the measuring rod is matched, so that a worker can conveniently and quickly determine the thickness of the material, conversion is not needed, and a result can be directly obtained; on the other hand, the sleeve ensures that the measuring rod is vertical, and prevents the measuring rod from shifting, so that the measuring result has errors.
The lifting module has the characteristic of free falling through the dead weight of the measuring rod, when the internal condition of the grate cooler cannot be directly observed, the measuring rod is matched with the bottom plate, and the contact between the bottom plate and clinker can be confirmed when the measuring rod stops falling, so that the lifting module is a lifting mode with minimum interference, simple structure and economy.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a cross-sectional view of the measuring instrument of the present invention.
In the figure: the measuring device comprises a grate cooler 1, a measuring instrument 2, a through hole 11, a sleeve 21, a measuring rod 22, a lifting module 23, a graduated scale 24 and a bottom plate 25.
Detailed Description
For a further understanding of the invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples:
example 1
As shown in fig. 1 and 3: the invention relates to a grate cooler with a clinker layer thickness measuring instrument, which comprises: a grate cooler 1 and a measuring instrument 2; a through hole 11 is formed in the shell above the grate plate of the grate cooler 1, and a measuring instrument 2 is fixed in the through hole 11.
The surveying instrument 2 includes: a sleeve 21, a measuring rod 22 and a lifting module 23; the sleeve 21 is a tubular structure with openings at two ends, the sleeve 21 is vertically fixed in the through hole 11, the measuring rod 22 penetrates through the sleeve 21, the measuring rod 22 can move up and down in the through hole in a reciprocating mode, a graduated scale 24 is arranged on the measuring rod 22, the measuring rod 22 is connected with a lifting module 23, and the lifting module 23 is used for controlling the lifting of the measuring rod 22.
A bottom plate 25 is horizontally fixed at the lower end of the measuring rod 22.
The unit of the graduated scale 24 is mm, and the graduated scale 24 is marked with scales of 0-100 mm from top to bottom in sequence.
When the lower end face of the bottom plate 25 is abutted against the upper end face of the grate plate of the grate cooler 1, the 0 scale mark of the graduated scale 24 is flush with the upper end opening of the sleeve 21.
As a preferred technical scheme of the invention: the lifting module 23 comprises: a winch, a pulley block and a rope; one end of the rope is connected with the upper end of the measuring rod 22, the other end of the rope is connected with the winch after bypassing the pulley block, and the pulley block is fixed above the measuring rod 22.
The pulley block comprises a fixed pulley A and a fixed pulley B, the fixed pulley A and the fixed pulley B are fixed above the measuring rod 22, and the other end of the rope bypasses the fixed pulley A and the fixed pulley B and then is connected with the winch.
Example 2
As shown in fig. 2 and 3: the invention relates to a grate cooler with a clinker layer thickness measuring instrument, which comprises: a grate cooler 1 and a measuring instrument 2; a through hole 11 is formed in the shell above the grate plate of the grate cooler 1, and a measuring instrument 2 is fixed in the through hole 11.
The surveying instrument 2 includes: a sleeve 21, a measuring rod 22 and a lifting module 23; the sleeve 21 is a tubular structure with openings at two ends, the sleeve 21 is vertically fixed in the through hole 11, the measuring rod 22 penetrates through the sleeve 21, the measuring rod 22 can move up and down in the through hole in a reciprocating mode, a graduated scale 24 is arranged on the measuring rod 22, the measuring rod 22 is connected with a lifting module 23, and the lifting module 23 is used for controlling the lifting of the measuring rod 22.
A bottom plate 25 is horizontally fixed at the lower end of the measuring rod 22.
The unit of the graduated scale 24 is mm, and the graduated scale 24 is marked with scales of 0-100 mm from top to bottom in sequence.
When the lower end face of the bottom plate 25 is abutted against the upper end face of the grate plate of the grate cooler 1, the 0 scale mark of the graduated scale 24 is flush with the upper end opening of the sleeve 21.
As another preferable technical scheme of the invention: the lifting module 23 comprises: a transmission, a moving gear and a spur rack; the gear box is characterized in that a movable gear is coaxially fixed on an output shaft of the gear box, a spur rack is fixed on the upper portion of the measuring rod 22, the movable gear is meshed with the spur rack, and the gear box is fixed on a shell of the grate cooler 1.
And the input shaft of the speed changer is fixedly connected with the hand-operated wheel or the output shaft of the motor.
The specific operation mode of the invention is as follows:
after the grate cooler 1 runs stably, the clinker thickness in the grate cooler is basically kept consistent, the grate cooler stops working, the lifting module 23 controls the measuring rod 22 to slowly fall until the measuring rod 22 stops falling, the scale number at the upper end opening of the sleeve 21 is the clinker thickness, more measurements are repeatedly carried out, the measured value with larger error is removed, and the average value is the clinker thickness.
After the measurement is finished, the measuring rod 22 is lifted so as not to influence the normal work of the grate cooler.
In the embodiment 1, the lifting of the measuring rod and the lifting of the measuring rod are controlled to be static by controlling the winch, in the embodiment 2, the lifting of the measuring rod is controlled by the transmission, when the measuring rod descends, the transmission is hung to a neutral position, and when the measuring rod is lifted to be static, the transmission is hung to a braking position.
The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a grate cooler with grog bed of material thickness measuring apparatu which characterized in that includes: the grate cooler (1) and the measuring instrument (2); a through hole (11) is formed in the shell above the grate plate of the grate cooler (1), and a measuring instrument (2) is fixed in the through hole (11).
2. The grate cooler with the clinker bed thickness measuring instrument as recited in claim 1, characterized in that: the measuring instrument (2) comprises: the device comprises a sleeve (21), a measuring rod (22) and a lifting module (23); sleeve pipe (21) are both ends open-ended tubular structure, in sleeve pipe (21) are vertically fixed in through-hole (11), sleeve pipe (21) are run through to measuring stick (22), just reciprocating motion about measuring stick (22) can be in the through-hole, be provided with scale (24) on measuring stick (22), measuring stick (22) are connected with lift module (23), lift module (23) are used for controlling measuring stick (22) and go up and down.
3. The grate cooler with the clinker bed thickness measuring instrument as recited in claim 2, characterized in that: and a bottom plate (25) is horizontally fixed at the lower end of the measuring rod (22).
4. The grate cooler with the clinker bed thickness measuring instrument as recited in claim 2 or 3, characterized in that: the scale (24) unit is mm, scale (24) from last to down in proper order the mark have 0 ~ 100 mm's scale.
5. The grate cooler with the clinker bed thickness measuring instrument as recited in claim 4, characterized in that: when the lower end face of the bottom plate (25) is abutted against the upper end face of the grate plate of the grate cooler (1), the 0 scale mark of the graduated scale (24) is flush with the upper port of the sleeve (21).
6. The grate cooler with the clinker bed thickness measuring instrument as recited in claim 2, 3 or 5, characterized in that: the lifting module (23) comprises: a winch, a pulley block and a rope; one end of the rope is connected with the upper end of the measuring rod (22), the other end of the rope is connected with the winch after bypassing the pulley block, and the pulley block is fixed above the measuring rod (22).
7. The grate cooler with the clinker bed thickness measuring instrument as recited in claim 6, characterized in that: the pulley block comprises a fixed pulley A and a fixed pulley B, the fixed pulley A and the fixed pulley B are fixed above the measuring rod (22), and the other end of the rope bypasses the fixed pulley A and the fixed pulley B and then is connected with the winch.
8. The grate cooler with the clinker bed thickness measuring instrument as recited in claim 2, 3 or 5, characterized in that: the lifting module (23) comprises: a transmission, a moving gear and a spur rack; the gear box is characterized in that a movable gear is coaxially fixed on an output shaft of the gear box, a spur rack is fixed on the upper portion of the measuring rod (22), the movable gear is meshed with the spur rack, and the gear box is fixed on a housing of the grate cooler (1).
9. The grate cooler with the clinker bed thickness measuring instrument as recited in claim 8, characterized in that: and the input shaft of the speed changer is fixedly connected with the hand-operated wheel or the output shaft of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214845.XA CN110906748A (en) | 2019-12-02 | 2019-12-02 | Grate cooler with clinker bed thickness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214845.XA CN110906748A (en) | 2019-12-02 | 2019-12-02 | Grate cooler with clinker bed thickness measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110906748A true CN110906748A (en) | 2020-03-24 |
Family
ID=69821692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911214845.XA Pending CN110906748A (en) | 2019-12-02 | 2019-12-02 | Grate cooler with clinker bed thickness measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110906748A (en) |
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2019
- 2019-12-02 CN CN201911214845.XA patent/CN110906748A/en active Pending
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