Simple explosion venting device for alternative fuel elevator of cement kiln

Abstract

The utility model relates to the technical field of cement production, and provides a simple explosion venting device for a cement kiln alternative fuel hoister, which comprises an explosion venting chamber and an explosion venting mechanism, the explosion venting chamber is connected to the outer side of a hoister shell, an explosion venting cavity communicated with an inner cavity of the hoister is arranged in the explosion venting chamber, and the explosion venting mechanism is arranged in the explosion venting chamber. An explosion venting hole communicated with the explosion venting cavity is formed in the top of the explosion venting chamber; the explosion venting mechanism is connected to the outer side of the elevator shell, part of the explosion venting mechanism is movably pressed above the explosion venting hole, and the explosion venting mechanism is suitable for circularly opening or closing the explosion venting hole. According to the explosion venting device, explosion splashing can be avoided, automatic returning can be achieved after explosion venting, repeated use can be achieved, and the enterprise cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement production technical field especially relates to a cement kiln alternative fuel elevator simple explosion venting device. BACKGROUND

[0002] Alternative fuel is used for cement production not only reduces the use of fossil fuel, reduces production cost, and protects the environment at the same time.

[0003] When biomass (wood, straw, sawdust, bagasse, rice bran) etc. are used as cement kiln alternative fuel, in order to fully burn, they are often crushed, and a large amount of dust is contained.

[0004] When the biomass alternative fuel is conveyed to the decomposition furnace feeding bin by the elevator, a dust cloud is formed in the elevator, which constitutes an explosive dust environment. The elevator shell, tail wheel and chain are all iron materials. The tail wheel part is prone to produce sparks when running, and the entire system cannot eliminate static electricity. The three elements of explosion accumulate and cause dust explosion in the elevator, causing equipment damage and possibly injuring workers, causing great economic loss and safety risk.

[0005] In the related technical field, some users of the existing fuel elevator require the manufacturer to install an explosion-proof sheet when purchasing. Once a dust explosion occurs, the explosion-proof sheet will be damaged and need to be replaced, increasing the use cost and maintenance time, and the explosion-proof sheet may splash and cause safety risks. INVENTION CONTENTS

[0006] To overcome the shortcomings and deficiencies in the prior art, the utility model provides a cement kiln alternative fuel elevator simple explosion venting device, which can avoid explosion splashing, automatically reset after explosion venting, be reused, and reduce enterprise cost.

[0007] The utility model provides a cement kiln alternative fuel elevator simple explosion venting device, which comprises:

[0008] An explosion venting chamber is connected to the outer side of the elevator shell, and an explosion venting cavity is arranged in the explosion venting chamber and communicated with the inner cavity of the elevator.

[0009] An explosion venting mechanism is connected to the outer side of the elevator shell, and part of the explosion venting mechanism is movably pressed above the explosion venting hole, and the explosion venting mechanism is suitable for cyclically opening or closing the explosion venting hole.

[0010] According to the utility model, a simple explosion relief device for a cement kiln alternative fuel elevator is provided. The explosion relief mechanism includes an explosion relief block and a guide assembly. The explosion relief block is movably pressed against the explosion relief hole. The guide assembly is connected between the explosion relief block and the elevator housing. The guide assembly is suitable for guiding the explosion relief block.

[0011] According to a simple explosion relief device for a cement kiln alternative fuel elevator provided by the utility model, the guide assembly includes a limit frame and a guide rod, a plurality of guide holes are opened at the upper edge of the limit frame, the guide rod is movably inserted into the plurality of guide holes, and the lower end of the guide rod is connected to the explosion relief block.

[0012] According to the simple explosion relief device for a cement kiln alternative fuel elevator provided by the utility model, a plurality of guide holes are coaxially arranged.

[0013] According to a simple explosion relief device for a cement kiln alternative fuel elevator provided by the utility model, the limit frame includes at least two limit plates, each of the limit plates is provided with a guide hole, at least two limit plates are arranged side by side in the height direction, and one end of the limit plate is connected to the elevator housing.

[0014] According to the simple explosion relief device of a cement kiln alternative fuel elevator provided by the utility model, the limiting frame further includes at least one connecting plate, which is connected to the other end of two adjacent limiting plates away from the elevator housing.

[0015] According to the utility model, a simple explosion relief device for a cement kiln alternative fuel elevator is provided, which further includes a sealing gasket, which is arranged around the outside of the explosion relief hole and abuts between the explosion relief block and the explosion relief chamber.

[0016] According to the simple explosion relief device of a cement kiln alternative fuel elevator provided by the utility model, the explosion relief chamber is protrudingly provided on the side wall of the elevator housing and is welded to the elevator housing.

[0017] According to the simple explosion relief device of a cement kiln alternative fuel elevator provided by the utility model, the upper end surface of the explosion relief chamber is a straight plate surface, and the explosion relief hole is provided on the straight plate surface.

[0018] According to the simple explosion relief device of a cement kiln alternative fuel hoist provided by the utility model, the weight of the explosion relief block can be adjusted.

[0019] The utility model provides a simple explosion relief device for cement kiln alternative fuel elevator, which is achieved by arranging an explosion relief chamber and an explosion relief mechanism on the elevator casing, wherein the explosion relief chamber has an explosion relief cavity connected to the elevator inner cavity, and an explosion relief hole connected to the explosion relief chamber is arranged on the top of the explosion relief chamber, and the explosion relief mechanism movably blocks the explosion relief hole. When an explosion occurs, the explosion gas and dust enter the explosion relief chamber from the elevator casing, and under the action of pressure, they will push open the explosion relief mechanism sealed on the explosion relief hole, and the explosion is relieved through the explosion relief hole. Since the explosion relief mechanism is connected to the elevator casing, it can be avoided that the explosion relief mechanism splashes under the explosion pressure to cause damage to personnel and equipment. When the explosion is relieved, the explosion relief mechanism can fall and reset under the action of its own gravity or the action of the reset mechanism to seal the explosion relief hole, so as to avoid dust leakage and pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 The utility model is a connection diagram of an embodiment of a simple explosion relief device for a cement kiln alternative fuel elevator provided by the present invention.

[0022] Figure 2 It is a structural schematic diagram of another embodiment of the simple explosion relief device for cement kiln alternative fuel elevator provided by the utility model.

[0023] Reference numerals:

[0024] 10. Simple explosion relief device for cement kiln alternative fuel hoist;

[0025] 100, explosion vent chamber; 110, explosion vent cavity; 120, upper end surface; 121, explosion vent hole;

[0026] 200, explosion relief mechanism; 210, explosion relief block; 220, guide assembly; 221, limit frame; 221a, guide hole; 222, guide rod;

[0027] 300, sealing gasket;

[0028] 20. Hoist housing; 21. Inner cavity. DETAILED DESCRIPTION

[0029] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] In the description of the embodiments of the utility model, it needs to be explained that, the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the embodiments of the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the embodiments of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the embodiments of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0032] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0034] The following will be described in combination with Figures 1 to 2The cement kiln alternative fuel elevator simple explosion venting device is described in detail through specific embodiments and application scenarios.

[0035] In the utility model embodiment, with reference to Figures 1 to 2 , the cement kiln alternative fuel elevator simple explosion venting device 10 comprises an explosion venting chamber 100 and an explosion venting mechanism 200, the explosion venting chamber 100 is connected to the outer side of the elevator shell 20, the explosion venting chamber 100 is internally provided with an explosion venting cavity 110 in communication with the elevator inner cavity 21, and the explosion venting chamber 100 is provided with an explosion venting hole 121 in communication with the explosion venting cavity 110 at the top; the explosion venting mechanism 200 is connected to the outer side of the elevator shell 20, and part of the explosion venting mechanism 200 is movably pressed above the explosion venting hole 121, and the explosion venting mechanism 200 is suitable for cyclically opening or closing the explosion venting hole 121.

[0036] The explosion venting chamber 100 is an independent space connected to the outer side of the elevator shell 20, and is internally provided with the explosion venting cavity 110 in communication with the elevator inner cavity 21. When an explosion occurs inside the elevator, the gas and dust generated by the explosion can quickly enter the explosion venting chamber 100, instead of directly diffusing outward, thereby reducing the harm of the explosion to the surrounding environment and personnel.

[0037] The explosion venting cavity 110 is a space inside the explosion venting chamber 100 and is directly in communication with the elevator inner cavity 21. The explosion venting cavity 110 plays a role of a buffer and a channel, so that the gas and dust generated by the explosion can orderly enter the explosion venting chamber 100 and be released through the subsequent explosion venting hole 121.

[0038] The explosion venting hole 121 is located at the top of the explosion venting chamber 100 and is in communication with the explosion venting cavity 110. The explosion venting hole 121 is the main outlet for the release of explosion gas and dust. When an explosion occurs, the explosion venting hole 121 can be quickly opened to allow the gas and dust to pass through, thereby effectively reducing the pressure inside the elevator and preventing equipment damage and personnel casualties.

[0039] The explosion venting mechanism 200 is a component connected to the outer side of the elevator shell 20, and part of the explosion venting mechanism 200 is movably pressed above the explosion venting hole 121. Under normal circumstances, the explosion venting mechanism 200 remains in a closed state to prevent harmful substances such as dust from leaking out. However, when an explosion occurs, the explosion venting mechanism 200 can be quickly opened under the action of pressure to allow the explosion gas and dust to be released through the explosion venting hole 121. At the same time, the explosion venting mechanism 200 also has the ability to cyclically open or close the explosion venting hole 121, and after the explosion venting is completed, it can automatically or manually return to the closed state to prevent harmful substances such as dust from leaking out again.

[0040] The application sets the explosion venting chamber 100 and the explosion venting mechanism 200 on the elevator shell, wherein the explosion venting chamber 100 has the explosion venting cavity 110 communicated with the elevator inner cavity 21, the explosion venting hole 121 communicated with the explosion venting cavity 110 is arranged on the top of the explosion venting chamber 100, and the explosion venting mechanism 200 is used for sealing the explosion venting hole 121. When explosion occurs, the explosion gas and dust enter the explosion venting chamber 100 from the elevator shell 20, and under the action of pressure, the explosion venting mechanism 200 is opened to release the explosion through the explosion venting hole 121. Since the explosion venting mechanism 200 is connected with the elevator shell 20, the explosion venting mechanism 200 can be prevented from splashing out under the explosion pressure to cause damage to personnel and equipment. When the explosion is released, the explosion venting mechanism 200 can be reset under the action of gravity or the reset mechanism to seal the explosion venting hole 121, so as to avoid dust leakage and pollution.

[0041] Referring to Figure 1 and Figure 2 In some embodiments, the explosion venting mechanism 200 comprises the explosion venting block 210 and the guide assembly 220. The explosion venting block 210 is movably pressed on the explosion venting hole 121, and the guide assembly 220 is connected between the explosion venting block 210 and the elevator shell 20, and is suitable for guiding the explosion venting block 210.

[0042] It can be understood that the explosion venting block 210 is a component directly movably pressed on the explosion venting hole 121. In the normal working state, the explosion venting block 210 tightly seals the explosion venting hole 121 to prevent harmful substances such as dust from leaking out of the elevator. When explosion occurs, the explosion venting block 210 can be quickly opened under the action of explosion pressure to allow the explosion gas and dust to be released through the explosion venting hole 121. In this way, the explosion venting block 210 can timely release pressure when explosion occurs to protect the safety of equipment and personnel.

[0043] The guide assembly 220 is a component connected between the explosion venting block 210 and the elevator shell 20. The main function of the guide assembly 220 is to ensure that the explosion venting block 210 can move along a predetermined trajectory during the opening and closing of the explosion venting hole 121, that is, to play a guiding role. In this way, the explosion venting block 210 can quickly and accurately open the explosion venting hole 121 when explosion occurs, and can also smoothly return to the closed state after the explosion is released. The guide assembly 220 can improve the stability and reliability of the explosion venting mechanism 200.

[0044] Referring to Figure 1 and Figure 2 In some embodiments, the guide assembly 220 comprises the limiting frame 221 and the guide rod 222. A plurality of guide holes 221a are arranged on the limiting frame 221 along the height, the guide rod 222 is movably arranged in the plurality of guide holes 221a, and the lower end of the guide rod 222 is connected with the explosion venting block 210.

[0045] It can be understood that the limiting frame 221 is a fixed structure with multiple guide holes 221a opened along the height direction. These guide holes 221a are used to accommodate and guide the movement of the guide rod 222. The main function of the limiting frame 221 is to limit the movement range of the guide rod 222, ensuring that the guide rod 222 and the explosion venting block 210 can move along the predetermined trajectory when opening and closing the explosion venting hole 121. In this way, the explosion venting block 210 can quickly and accurately open the explosion venting hole 121 when an explosion occurs, and can also smoothly return to the closed state after the explosion venting is completed. At the same time, the limiting frame 221 can also constrain the explosion venting block 210, so that it rises to the lower edge of the limiting frame 221 under the pressure of the explosion, avoiding damage to personnel and equipment caused by splashing under the pressure of the explosion, and further improving the safety performance of the device.

[0046] The guide rod 222 is a movable rod-shaped component, with its lower end connected to the explosion venting block 210 and its upper end movably passing through the multiple guide holes 221a of the limiting frame 221. The main function of the guide rod 222 is to connect the explosion venting block 210 and the limiting frame 221, and to realize the stable movement of the explosion venting block 210 under the guidance of the limiting frame 221. The design of the guide rod 222 enables the explosion venting block 210 to slide along the guide hole 221a when opening and closing the explosion venting hole 121, thereby ensuring the stability and accuracy of the explosion venting process.

[0047] Through the cooperation of the limiting frame 221 and the guide rod 222, the explosion venting block 210 can maintain a stable movement trajectory when opening and closing the explosion venting hole 121, avoiding problems such as poor explosion venting or equipment damage caused by shaking or deviation. At the same time, the design of the guide assembly 220 ensures that the explosion venting block 210 can quickly and accurately open the explosion venting hole 121 when an explosion occurs, releasing the gas and dust generated by the explosion. At the same time, after the explosion venting is completed, the explosion venting block 210 can also smoothly return to the closed state, ensuring the normal operation of the equipment.

[0048] Referring to Figure 1 and Figure 2 In some embodiments, the multiple guide holes 221a are coaxially arranged.

[0049] It can be understood that the coaxially arranged guide holes 221a ensure the stability of the guide rod 222 during movement. Since the guide rod 222 needs to pass through these guide holes 221a and is limited by the limiting frame 221, it can only move along the trajectory of the coaxial center. The coaxially arranged guide holes 221a can avoid shaking or deviation of the guide rod 222 during movement, thereby improving the stability of the explosion venting block 210.

[0050] Referring to Figure 1 and Figure 2In some embodiments, the limiting frame 221 includes at least two limiting plates, each limiting plate is provided with a guide hole 221a, at least two limiting plates are arranged side by side along the height direction, and one end of the limiting plate is connected to the hoist housing 20.

[0051] It is understandable that the present application provides better support for the guide rod 222 during movement through the design of at least two limit plates. Multiple limit plates are arranged side by side to effectively disperse the stress generated by the guide rod 222 during movement, avoiding deformation or damage caused by excessive force on a single point. The limit plates are arranged side by side in the height direction, so that the guide rod 222 can be restricted at multiple points during movement, preventing it from excessive movement or flying out under the explosion pressure. This limiting function ensures that the explosion venting block 210 will not lose control during the opening and resetting process.

[0052] The guide holes 221a formed in each limiting plate ensure that the guide rod 222 always follows the set path when moving, avoiding deviation or shaking. The multiple limiting plates work together to make the movement of the guide rod 222 more precise and reduce deviation.

[0053] One end of the limit plate is connected to the hoist housing 20, ensuring a stable connection between the entire limit frame 221 and the hoist main structure, thereby enhancing the rigidity and reliability of the entire device.

[0054] Reference Figure 1 and Figure 2 In some embodiments, the limiting frame 221 further includes at least one connecting plate, which is connected to the other end of two adjacent limiting plates away from the elevator housing 20.

[0055] It is understood that the limit frame 221 includes at least one connecting plate, which is used to connect the ends of two adjacent limit plates away from the elevator housing 20. Multiple connecting plates can be designed as needed to further strengthen the overall structure of the limit frame 221. The connecting plates serve to enhance the overall rigidity and stability of the limit frame 221. By connecting two adjacent limit plates, the connecting plates form a stable framework, preventing the limit plates from deforming or falling off due to uneven force during the explosion relief process.

[0056] In some embodiments, the limiting frame 221 may also be a U-shaped workpiece, and the guide holes 221 a are opened on two opposite side walls of the U-shaped workpiece.

[0057] Reference Figure 1 and Figure 2 In some embodiments, the simple explosion relief device 10 for alternative fuel hoist of cement kiln further includes a sealing gasket 300 , which is arranged around the outside of the explosion relief hole 121 and abuts between the explosion relief block 210 and the explosion relief chamber 100 .

[0058] It can be understood that the role of the sealing gasket 300 is to ensure that the explosion vent 121 is in a completely closed state and prevent dust and gas leakage when the explosion vent 121 is not opened. Through the close contact between the sealing gasket 300 and the explosion vent block 210 and the explosion vent chamber 100, the escape of any tiny particles can be effectively prevented.

[0059] With reference to Figure 1 and Figure 2 In some embodiments, the explosion vent chamber 100 is protrudingly arranged on the sidewall of the elevator housing 20 and is welded to the elevator housing 20.

[0060] It can be understood that the present embodiment enhances the structural stability of the entire device by protrudingly arranging the explosion vent chamber 100 on the sidewall of the elevator housing 20 and fixing it by welding. The protruding design makes the connection between the explosion vent chamber 100 and the elevator housing 20 more secure and can better withstand the pressure impact during explosion. Moreover, the protruding arrangement makes the explosion vent chamber 100 not occupy the internal space of the elevator, thereby improving the space utilization.

[0061] With reference to Figure 1 and Figure 2 Figure 1 Figure 2 In some embodiments, the upper end surface 120 of the explosion vent chamber 100 is a straight plate surface, and the explosion vent hole 121 is arranged on the straight plate surface.

[0062] It can be understood that the design of the straight plate surface makes the contact surface between the explosion vent block 210 and the explosion vent hole 121 more flat, which is conducive to the arrangement of the sealing gasket 300 and ensures the sealing performance of the explosion vent hole 121 in the normal working state.

[0063] In some embodiments, the weight of the explosion vent block 210 is adjustably arranged.

[0064] It can be understood that the present embodiment can adapt to different pressure release requirements by adjusting the weight of the explosion vent block 210. During the operation of the cement kiln alternative fuel elevator, different working pressure and temperature conditions may be encountered. Therefore, adjusting the weight of the explosion vent block 210 according to the needs can ensure that the device can safely and effectively operate under various working conditions. Specifically, the explosion vent block 210 can be composed of multiple weight blocks, and the weight can be adjusted by adding or reducing the weight blocks. Of course, in other embodiments, the explosion vent block 210 of different mass can also be replaced to achieve the adjustment.

[0065] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, but not limited to; although the present application is described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still be modified to the technical solutions recorded in the foregoing examples, or part of the technical features are replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A simple explosion relief device for cement kiln alternative fuel hoist, characterized in that: include: An explosion venting chamber is connected to the outside of the hoist housing, an explosion venting cavity is provided in the explosion venting chamber and is communicated with the inner cavity of the hoist, and an explosion venting hole is provided on the top of the explosion venting chamber and is communicated with the explosion venting cavity; The explosion relief mechanism is connected to the outside of the hoist housing, and part of the explosion relief mechanism is movably pressed against the top of the explosion relief hole, and the explosion relief mechanism is suitable for cyclically opening or closing the explosion relief hole.

2. The simple explosion relief device for cement kiln alternative fuel hoist according to claim 1 is characterized in that: The explosion relief mechanism includes an explosion relief block and a guide assembly. The explosion relief block is movably pressed against the explosion relief hole. The guide assembly is connected between the explosion relief block and the hoist housing. The guide assembly is suitable for guiding the explosion relief block.

3. The simple explosion relief device for cement kiln alternative fuel hoist according to claim 2 is characterized in that: The guide assembly includes a limit frame and a guide rod. A plurality of guide holes are opened along the height of the limit frame. The guide rod is movably inserted into the plurality of guide holes. The lower end of the guide rod is connected to the explosion relief block.

4. The simple explosion relief device for cement kiln alternative fuel hoist according to claim 3 is characterized in that: The plurality of guide holes are coaxially arranged.

5. The simple explosion relief device for cement kiln alternative fuel hoist according to claim 3 is characterized in that: The limiting frame includes at least two limiting plates, each of which is provided with a guide hole, and at least two limiting plates are arranged side by side along the height direction, and one end of the limiting plate is connected to the hoist housing.

6. The simple explosion relief device for cement kiln alternative fuel hoist according to claim 5, characterized in that: The limiting frame further includes at least one connecting plate, which is connected to the other end of two adjacent limiting plates away from the hoist housing.

7. The simple explosion relief device for cement kiln alternative fuel hoist according to claim 2, characterized in that: The simple explosion relief device for the cement kiln alternative fuel hoist further comprises a sealing gasket, which is arranged around the outside of the explosion relief hole and abuts between the explosion relief block and the explosion relief chamber.

8. The simple explosion relief device for cement kiln alternative fuel hoist according to any one of claims 1 to 7, characterized in that: The explosion relief chamber is protrudingly arranged on the side wall of the elevator housing and is welded to the elevator housing.

9. The simple explosion relief device for cement kiln alternative fuel hoist according to claim 8, characterized in that: The upper end surface of the explosion relief chamber is a straight plate surface, and the explosion relief hole is arranged on the straight plate surface.

10. The simple explosion relief device for cement kiln alternative fuel hoist according to claim 2, characterized in that: The weight of the explosion venting block can be adjusted.

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