CN213655838U - Emergency discharge device for secondary combustion chamber of rotary kiln - Google Patents
Emergency discharge device for secondary combustion chamber of rotary kiln Download PDFInfo
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- CN213655838U CN213655838U CN202022643366.4U CN202022643366U CN213655838U CN 213655838 U CN213655838 U CN 213655838U CN 202022643366 U CN202022643366 U CN 202022643366U CN 213655838 U CN213655838 U CN 213655838U
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Abstract
The utility model relates to an urgent discharging equipment of second combustion chamber of rotary kiln, including being used for installing the valve body at the tubular structure at the urgent emission chimney pipe top of second combustion chamber, the valve body top is equipped with a valve gap, and the valve body top is equipped with one and can winds horizontal axis pivoted link, and the valve gap is installed on the link, and the urgent discharging equipment of second combustion chamber of rotary kiln still including be used for to the link application of force is with the driving cylinder that the control valve gap was opened/was closed, and the driving cylinder is connected with the control valve that is used for controlling the driving cylinder action, and the control valve is connected with the inside gas pressure signal of valve body. Compared with the prior art, the automatic discharge port opening and pressure relief can be realized when the incineration system is abnormal, the normal operation of the rotary kiln and the secondary combustion chamber incineration system is guaranteed, the equipment shutdown maintenance time caused by the pressure relief of the explosion-discharging plate is shortened, and the economic expenditure for replacing the explosion-discharging plate is reduced.
Description
Technical Field
The utility model relates to a second combustion chamber emergency discharge device of rotary kiln.
Background
With the improvement of living standard of people, the generated domestic garbage is continuously increased, unprecedented pressure is brought to urban environment, and the reduction and harmless treatment of the domestic garbage are urgent. At present, domestic methods for treating domestic garbage include sanitary landfill and incineration treatment, and the incineration treatment has the advantages of less facility land occupation, rapid stabilization, obvious reduction effect, relatively easy control of the odor of the domestic garbage and the like and is widely popularized.
For burning general dangerous waste in the current national standard, the burning temperature is more than 1100 ℃, if an emergency occurs in a burning system, dangerous waste deflagration occurs in a rotary kiln or positive pressure occurs in a secondary combustion chamber (the national standard requires that the burning system is in a negative pressure state in the operation process to avoid harmful gas from escaping), and an emergency discharge device is required to be ensured to ensure the safety of the burning system.
When the traditional explosion-discharging device is in an emergency, the explosion-discharging plate is opened to discharge pressure so as to reduce the pressure of the incineration system and prevent the rotary kiln or the secondary combustion chamber from exploding due to overhigh pressure. After explosion is discharged, the incinerator must be shut down, the explosion discharge plate must be replaced again, and the later operation and maintenance cost of the incineration system is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a second combustion chamber of rotary kiln promptly discharging equipment to solve and to unload the problem that explodes the device and cause equipment shutdown maintenance, influence work efficiency easily now.
In order to achieve the purpose, the utility model discloses a second combustion chamber emergency discharging equipment of rotary kiln adopts following technical scheme: the rotary kiln secondary combustion chamber emergency discharge device comprises a valve body of a cylindrical structure, wherein the valve body is arranged at the top of a secondary combustion chamber emergency discharge chimney pipe, a valve cover is arranged at the top of the valve body, a connecting frame capable of rotating around a horizontal axis is arranged at the top of the valve body, the valve cover is arranged on the connecting frame, the rotary kiln secondary combustion chamber emergency discharge device further comprises a driving cylinder, the driving cylinder is used for applying force to the connecting frame to control the valve cover to be opened or closed, the driving cylinder is connected with a control valve, the control valve is used for controlling the driving cylinder to act, and the control valve is connected with.
Has the advantages that: under the normal operating condition of the system, the valve cover is in close contact with the valve body under the action of self gravity, when deflagration occurs in the rotary kiln or positive pressure occurs in the secondary combustion chamber, and the internal pressure of the valve body exceeds a set value, the driving cylinder drives the connecting frame to rotate under the control of the control valve, the valve is opened, the pressure in the valve body is released, and more serious safety accidents are avoided. When the pressure of the valve body is reduced to a set value, the driving cylinder resets under the control of the control valve, the valve cover descends due to the self gravity and is in close contact with the valve body again, and the emergency discharge port is closed.
Compared with the prior art, the automatic discharge port opening and pressure relief can be realized when the incineration system is abnormal, the normal operation of the rotary kiln and the secondary combustion chamber incineration system is guaranteed, the equipment shutdown maintenance time caused by the pressure relief of the explosion-discharging plate is shortened, and the economic expenditure for replacing the explosion-discharging plate is reduced.
Furthermore, the driving cylinder is an air cylinder, the driving cylinder and the control valve are arranged below the connecting frame on the valve body, and a piston rod of the air cylinder is connected with the connecting frame through a steel wire rope.
Furthermore, the emergency discharge device for the second combustion chamber of the rotary kiln further comprises an air bag for supplying air to the air cylinder, the air bag is connected with the control valve through an air pipe, and the control valve is connected with the air cylinder through an air pipe.
Furthermore, a balancing weight is arranged on one side of the connecting frame, which is far away from the valve cover; and adjusting the opening effect of the valve cover according to the pressure setting of the secondary combustion chamber.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and obviously, the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;
FIG. 1 is a schematic structural diagram of an emergency discharge device of a second combustion chamber of a rotary kiln in a use state;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic structural diagram of an emergency discharge device of a second combustion chamber of the rotary kiln;
fig. 4 is a right side view of fig. 3.
In the figure: 100-valve body, 200-valve cover, 300-connecting frame, 310-rotating shaft component, 320-balancing weight, 400-driving cylinder, 500-control valve, 600-air bag, 700-secondary combustion chamber emergency discharge chimney pipe, 800-steel wire rope and 900-rotary kiln secondary combustion chamber emergency discharge device.
Detailed Description
In order to make the technical purpose, technical solution and advantageous effects of the present invention clearer, the technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.
The specific embodiment of the emergency discharge device for the second combustion chamber of the rotary kiln, as shown in fig. 1 to 4, comprises a valve body 100, a valve cover 200, a connecting frame 300, a driving cylinder 400, a control valve 500 and an air bag 600, wherein the valve body 100 is of a cylindrical structure and is used for being installed at the top of an emergency discharge chimney pipe 700 of the second combustion chamber, the connecting frame is hinged on the valve body 100 through a rotating shaft assembly 310, and the valve cover 200 is installed at one end of the connecting frame 300.
The driving cylinder 400 and the control valve 500 are arranged below the connecting frame 300 on the valve body 100, the driving cylinder 400 adopts an air cylinder, the control valve 500 adopts an electromagnetic valve, the air bag 600 is connected with the control valve 500 through an air pipe, the control valve 500 is connected with the driving cylinder 400 through an air pipe, the control valve 50 is in signal connection with the air pressure inside the valve body 100, the air passage is changed when the air pressure inside the valve body 100 is higher than a set value, and the piston rod of the driving cylinder 400 is controlled to extend out or reset.
The piston rod of the driving cylinder 400 faces downward and is connected to the connecting frame 300 through a wire rope 800. The connecting frame 300 is provided with a counterweight 320 on the side far away from the valve cover 200, and the opening effect of the valve cover is adjusted according to the pressure setting of the secondary combustion chamber.
Under the normal operating condition of the system, the piston rod of the driving cylinder 400 does not extend out, the valve cover 200 is in close contact with the valve body 100 under the action of self gravity, when deflagration occurs in the rotary kiln or positive pressure occurs in the secondary combustion chamber, and the internal pressure of the valve body 100 exceeds a set value, the driving cylinder 400 is controlled by the control valve 500, the piston rod extends out, the connection 300 and the valve cover 200 are driven by the steel wire rope 800 to rotate, the top opening of the valve body 100 is opened, the pressure in the valve body is released, and more serious safety accidents are avoided.
When the pressure of the valve body 100 is reduced to a set value, the driving cylinder 400 is reset by the piston rod under the control of the control valve 500, the valve cover 200 is lowered under the action of self gravity and is in close contact with the valve body 100 again, and the emergency discharge port is closed.
Compared with the prior art, the automatic discharge port opening and pressure relief can be realized when the incineration system is abnormal, the normal operation of the rotary kiln and the secondary combustion chamber incineration system is guaranteed, the equipment shutdown maintenance time caused by the pressure relief of the explosion-discharging plate is shortened, and the economic expenditure for replacing the explosion-discharging plate is reduced.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, and any equivalent replacement and modification or partial replacement which do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.
Claims (4)
1. The second combustion chamber emergency discharge device of the rotary kiln is characterized in that: the rotary kiln secondary combustion chamber emergency discharge device comprises a valve body of a cylindrical structure, wherein the valve body is arranged at the top of a secondary combustion chamber emergency discharge chimney pipe, a valve cover is arranged at the top of the valve body, a connecting frame capable of rotating around a horizontal axis is arranged at the top of the valve body, the valve cover is arranged on the connecting frame, the secondary combustion chamber emergency discharge device of the rotary kiln further comprises a driving cylinder, the driving cylinder is used for applying force to the connecting frame to control the valve cover to open/close, the driving cylinder is connected with a control valve, the control valve is used for controlling the driving cylinder to act.
2. The emergency discharge device for the second combustion chamber of the rotary kiln as claimed in claim 1, wherein: the driving cylinder is an air cylinder, the driving cylinder and the control valve are arranged below the connecting frame on the valve body, and a piston rod of the air cylinder is connected with the connecting frame through a steel wire rope.
3. The emergency discharge device for the second combustion chamber of the rotary kiln as claimed in claim 2, wherein: the emergency discharge device for the second combustion chamber of the rotary kiln further comprises an air bag for supplying air to the air cylinder, the air bag is connected with the control valve through an air pipe, and the control valve is connected with the air cylinder through an air pipe.
4. The emergency discharge device for the second combustion chamber of the rotary kiln as claimed in any one of claims 1 to 3, wherein: and a balancing weight is arranged on one side of the connecting frame, which is far away from the valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022643366.4U CN213655838U (en) | 2020-11-16 | 2020-11-16 | Emergency discharge device for secondary combustion chamber of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022643366.4U CN213655838U (en) | 2020-11-16 | 2020-11-16 | Emergency discharge device for secondary combustion chamber of rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655838U true CN213655838U (en) | 2021-07-09 |
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ID=76684197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022643366.4U Active CN213655838U (en) | 2020-11-16 | 2020-11-16 | Emergency discharge device for secondary combustion chamber of rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655838U (en) |
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2020
- 2020-11-16 CN CN202022643366.4U patent/CN213655838U/en active Active
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