CN212778263U - Natural drying kiln for tail gas generated by roasting coal gangue shale sintered green bricks - Google Patents
Natural drying kiln for tail gas generated by roasting coal gangue shale sintered green bricks Download PDFInfo
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- CN212778263U CN212778263U CN202021738084.6U CN202021738084U CN212778263U CN 212778263 U CN212778263 U CN 212778263U CN 202021738084 U CN202021738084 U CN 202021738084U CN 212778263 U CN212778263 U CN 212778263U
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Abstract
A natural drying kiln for tail gas generated by roasting gangue shale sintered green bricks comprises a drying kiln body and a temperature control mechanism, wherein the temperature control mechanism comprises a cold air main pipe, an air cooler, cold air branch pipes, valves, a hot air main pipe and hot air branch pipes, a plurality of cold air inlets are arranged on the top wall of the drying kiln body, a plurality of cold air outlets are arranged on the cold air main pipe, one ends of the cold air branch pipes are connected with the cold air inlets, the other ends of the cold air branch pipes are connected with the cold air outlets, the valves are mounted on the cold air branch pipes, the opening degree of the valves can be adjusted to adjust the flow rate of cold air entering the hot air branch pipes, a plurality of hot air outlets are arranged on the hot air main pipe, hot air inlets are arranged on the cold air branch pipes, one ends of the hot air branch pipes are connected with the hot air outlets, the other ends of the hot air branch pipes are connected with the hot air inlets, the cold, the temperature control system is simple to realize.
Description
Technical Field
The utility model relates to a gangue shale baked brick production technical field, in particular to gangue shale baked brick base calcination tail gas natural drying kiln.
Background
The production of the gangue shale baked brick by using the gangue as a main raw material through the procedures of crushing, forming, drying, roasting and the like is a mature technology widely adopted at home and abroad. Among the various processes, the drying process is not always appreciated, and is considered to be a simple drying process just before the green bricks enter the roasting kiln. However, in practice, the phenomenon often occurs, the temperature of hot air fed into the drying chamber by some production lines is higher, but the drying speed is very slow, the drying effect is very poor, and the yield of the coal gangue shale sintered bricks is directly influenced.
Disclosure of Invention
In view of the above, it is necessary to provide a natural drying kiln for tail gas from sintering of coal gangue shale sintered green bricks.
A natural drying kiln for tail gas generated in roasting of coal gangue shale sintered green bricks comprises a drying kiln body and a temperature control mechanism, wherein the temperature control mechanism comprises a cold air main pipe, an air cooler, a cold air branch pipe, a valve, a hot air main pipe and a hot air branch pipe, the drying kiln body is a long linear tunnel, a plurality of cold air inlets are formed in the top wall of the drying kiln body and are uniformly distributed along the length direction of the drying kiln body, one end of the cold air main pipe is connected with an outlet of the air cooler, the other end of the cold air main pipe is sealed, a plurality of cold air outlets are formed in the cold air main pipe, the number of the cold air outlets corresponds to the number of the cold air inlets, one end of the cold air branch pipe is connected with the cold air inlets, the other end of the cold air branch pipe is connected with the cold air outlets, the valve is mounted on the cold air branch pipe, the opening degree of, one end of the hot air main pipe is communicated with an inner cavity of a cooling section of the roasting kiln so that hot tail gas of the roasting kiln enters the hot air main pipe, the other end of the hot air main pipe is closed, a plurality of hot air outlets are formed in the hot air main pipe, a hot air inlet is formed in the cold air branch pipe, one end of the hot air branch pipe is connected with the hot air outlets, and the other end of the hot air branch pipe is connected with the hot air inlet.
Preferably, the valve is a butterfly valve.
Preferably, the inner diameter of the main hot air pipe is larger than that of the branch hot air pipe.
Preferably, the inner diameter of the cold air main pipe is larger than that of the cold air branch pipe.
Preferably, the cold air branch pipe is thin in the middle and thick at two ends, and the hot air inlet is arranged at the thin-diameter section in the middle of the cold air branch pipe.
Preferably, the valve is arranged on the large-diameter section of the cold air branch pipe close to the cooling main pipe.
Preferably, the drying kiln body still includes guide rail, kiln car, this internal guide rail of installing of drying kiln, the guide rail extends along the length direction of drying kiln body, the continuous kiln car that sends into of one end of drying kiln body, the continuous kiln car that sends out of the other end of drying kiln body.
Preferably, both ends of the drying kiln body are provided with single-door doors.
Preferably, a gap between the top of the kiln car and the top wall of the inner cavity of the drying kiln body is 8-12 cm.
Preferably, the natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered green bricks further comprises an opening control component, the opening control component comprises a servo motor, a temperature sensor and a microprocessor, the drying kiln body comprises a plurality of temperature sections, the number of the temperature sections corresponds to that of the hot air branch pipes, each temperature section of the drying kiln body is correspondingly provided with one temperature sensor, the temperature sensors are connected with the microprocessor, the microprocessor is connected with the servo motor, and each valve is correspondingly connected with one servo motor.
Compared with the prior art, the beneficial effects of the utility model reside in that: every hot-blast branch pipe corresponds the difference in temperature that sets up the cold wind branch pipe in order to allocate the drying kiln body, and the temperature of the different temperature sections of drying kiln body can be controlled to the aperture through controlling each valve, and temperature control system simply realizes, and more importantly, the income of cold wind has increaseed this internal air volume of drying kiln, can provide sufficient heat for the adobe under lower temperature, has improved the drying rate of adobe, and then has improved the output of gangue shale sintered brick.
Drawings
FIG. 1 is an axonometric view of the natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered green bricks.
In the figure: the drying kiln comprises a drying kiln body 10, a temperature control mechanism 20, a cold air main pipe 21, an air cooler 22, a cold air branch pipe 23, a valve 24, a hot air main pipe 25, a hot air branch pipe 26 and a roasting kiln 30.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1, an embodiment of the present invention provides a natural drying kiln for coal gangue shale sintered green brick calcination tail gas, comprising a drying kiln body 10 and a temperature control mechanism 20, wherein the temperature control mechanism 20 comprises a cold air main pipe 21, an air cooler 22, a cold air branch pipe 23, a valve 24, a hot air main pipe 25 and a hot air branch pipe 26, the drying kiln body 10 is a long straight tunnel, a plurality of cold air inlets are arranged on the top wall of the drying kiln body 10, the cold air inlets are uniformly distributed along the length direction of the drying kiln body 10, one end of the cold air main pipe 21 is connected with an outlet of the air cooler 22, the other end of the cold air main pipe 21 is sealed, a plurality of cold air outlets are arranged on the cold air main pipe 21, the number of the cold air outlets corresponds to the number of the cold air inlets, one end of the cold air branch pipe 23 is connected with the cold air inlets, the other end of the cold air, the opening degree of the valve 24 is adjustable to adjust the flow rate of the cold air entering the hot air branch pipe 26, one end of the hot air main pipe 25 is communicated with the inner cavity of the cooling section of the roasting kiln 30, so that the hot tail gas of the roasting kiln 30 enters the hot air main pipe 25, the other end of the hot air main pipe 25 is closed, a plurality of hot air outlets are arranged on the hot air main pipe 25, a hot air inlet is arranged on the cold air branch pipe 23, one end of the hot air branch pipe 26 is connected with the hot air outlets, and the other end of the hot air branch pipe 26 is connected with the.
Compared with the prior art, the beneficial effects of the utility model reside in that:
every hot-blast branch pipe 26 corresponds and sets up cold wind branch pipe 23 in order to allot the difference in temperature of drying kiln body 10, can control the temperature of the different temperature sections of drying kiln body 10 through the aperture of controlling each valve 24, and the temperature control system simply realizes, and more importantly, the income of cold wind has increaseed the interior air volume of drying kiln body 10, can provide sufficient heat for the adobe under lower temperature, has improved the drying rate of adobe, and then has improved the output of gangue shale sintered brick.
Referring to fig. 1, further, the valve 24 is a butterfly valve.
Referring to fig. 1, further, the main hot blast pipe 25 has an inner diameter larger than that of the branch hot blast pipes 26.
Referring to fig. 1, further, the main cold air duct 21 has an inner diameter larger than that of the branch cold air duct 23.
Referring to fig. 1, further, the cold air branch pipes 23 are thin in the middle and thick at both ends, and the hot air inlet is provided at a thin diameter section in the middle of the cold air branch pipes 23.
Referring to fig. 1, further, a valve 24 is installed at a large diameter section of the cold air branch pipe 23 adjacent to the main cooling pipe.
Referring to fig. 1, further, the drying kiln body 10 further includes a guide rail and a kiln car, the guide rail is installed in the drying kiln body 10, the guide rail extends along the length direction of the drying kiln body 10, one end of the drying kiln body 10 is continuously fed into the kiln car, and the other end of the drying kiln body 10 is continuously fed out of the kiln car.
Referring to fig. 1, further, both ends of the drying kiln body 10 are provided with single doors.
Referring to fig. 1, further, a gap between the top of the kiln car and the top wall of the inner cavity of the drying kiln body 10 is 8-12 cm.
Referring to fig. 1, further, the natural drying kiln for the tail gas generated by calcining the coal gangue shale sintered green bricks further comprises an opening control component, the opening control component comprises a servo motor, temperature sensors and a microprocessor, the drying kiln body 10 comprises a plurality of temperature sections, the number of the temperature sections corresponds to that of the hot air branch pipes 26, each temperature section of the drying kiln body 10 is correspondingly provided with one temperature sensor, the temperature sensors are connected with the microprocessor, the microprocessor is connected with the servo motor, and each valve 24 is correspondingly connected with one servo motor.
Referring to fig. 1, in one embodiment, the cross section of the inner cavity of the drying kiln body 10 is tapered, or the longitudinal section of the inner cavity of the drying kiln body 10 is tapered. The tapered design has the advantages that after hot gas enters the inner cavity of the drying kiln body 10, the hot gas enters the inner cavity of the drying kiln body 10 from top to bottom and flows from one end of the drying kiln body 10, which is sent out of the kiln car, to one end of the drying kiln car, and as the drying kiln body 10 is gradually reduced from the top to the bottom and from one end of the drying kiln car, which is sent out of the kiln car, to one end of the drying kiln car, the short circuit phenomenon during the flowing of the hot gas can be well avoided, and no dead angle of hot gas flowing in the drying kiln body 10 is ensured.
The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A natural drying kiln for tail gas generated in roasting of coal gangue shale sintered adobe is characterized in that: the drying kiln comprises a drying kiln body and a temperature control mechanism, wherein the temperature control mechanism comprises a cold air main pipe, an air cooler, a cold air branch pipe, a valve, a hot air main pipe and a hot air branch pipe, the drying kiln body is a long linear tunnel, a plurality of cold air inlets are arranged on the top wall of the drying kiln body and uniformly distributed along the length direction of the drying kiln body, one end of the cold air main pipe is connected with an outlet of the air cooler, the other end of the cold air main pipe is sealed, a plurality of cold air outlets are arranged on the cold air main pipe, the number of the cold air outlets corresponds to that of the cold air inlets, one end of the cold air branch pipe is connected with the cold air inlets, the other end of the cold air branch pipe is connected with the cold air outlets, the valve is mounted on the cold air branch pipe, the opening degree of the valve is adjustable to adjust the flow rate of cold air entering the hot air branch pipe, the hot tail gas of the roasting kiln enters the hot air main pipe, the other end of the hot air main pipe is sealed, a plurality of hot air outlets are formed in the hot air main pipe, a hot air inlet is formed in the cold air branch pipe, one end of the hot air branch pipe is connected with the hot air outlets, and the other end of the hot air branch pipe is connected with the hot air inlet.
2. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 1, wherein: the valve is a butterfly valve.
3. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 1, wherein: the inner diameter of the hot air main pipe is larger than that of the hot air branch pipe.
4. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 1, wherein: the inner diameter of the cold air main pipe is larger than that of the cold air branch pipe.
5. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 1, wherein: the cold air branch pipe is thin in the middle and thick at two ends, and the hot air inlet is arranged at the thin-diameter section in the middle of the cold air branch pipe.
6. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 5, wherein: the valve is arranged at the large-diameter section of the cold air branch pipe close to the cooling main pipe.
7. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 1, wherein: the drying kiln body still includes guide rail, kiln car, this internal guide rail of installing of drying kiln, the length direction of guide rail along the drying kiln body extends, the continuous kiln car that sends into of one end of drying kiln body, the continuous kiln car that sends out of the other end of drying kiln body.
8. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 7, wherein: and two ends of the drying kiln body are respectively provided with a single door.
9. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 7, wherein: the gap between the top of the kiln car and the top wall of the inner cavity of the drying kiln body is 8-12 cm.
10. The natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered adobe as claimed in claim 1, wherein: the natural drying kiln for the tail gas generated by roasting the coal gangue shale sintered green bricks further comprises an opening control component, the opening control component comprises a servo motor, temperature sensors and a microprocessor, the drying kiln body comprises a plurality of temperature sections, the number of the temperature sections corresponds to that of the hot air branch pipes, each temperature section of the drying kiln body is correspondingly provided with one temperature sensor, the temperature sensors are connected with the microprocessor, the microprocessor is connected with the servo motor, and each valve is correspondingly connected with one servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021738084.6U CN212778263U (en) | 2020-08-19 | 2020-08-19 | Natural drying kiln for tail gas generated by roasting coal gangue shale sintered green bricks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021738084.6U CN212778263U (en) | 2020-08-19 | 2020-08-19 | Natural drying kiln for tail gas generated by roasting coal gangue shale sintered green bricks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212778263U true CN212778263U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021738084.6U Active CN212778263U (en) | 2020-08-19 | 2020-08-19 | Natural drying kiln for tail gas generated by roasting coal gangue shale sintered green bricks |
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| Country | Link |
|---|---|
| CN (1) | CN212778263U (en) |
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2020
- 2020-08-19 CN CN202021738084.6U patent/CN212778263U/en active Active
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