CN215336398U - Reinforcing structure of long-span fire grate of high-temperature pyrolysis gasification combustion furnace - Google Patents
Reinforcing structure of long-span fire grate of high-temperature pyrolysis gasification combustion furnace Download PDFInfo
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- CN215336398U CN215336398U CN202121342693.4U CN202121342693U CN215336398U CN 215336398 U CN215336398 U CN 215336398U CN 202121342693 U CN202121342693 U CN 202121342693U CN 215336398 U CN215336398 U CN 215336398U
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Abstract
The utility model provides a reinforcing structure of a long-span fire grate of a high-temperature pyrolysis gasification combustion furnace, wherein a vertical upward upright post is erected at the bottom of the combustion furnace corresponding to the center of the fire grate, the top surface of the upright post is provided with a transverse U-shaped through groove, the middle part of the upright post is provided with a transverse middle bracket, and the middle bracket respectively forms a U-shaped bracket section at the left end and the right end of the column surface of the upright post; a long cross beam is movably inserted into the U-shaped through groove on the top surface of the upright post, and the long cross beam supports the middle part of the bottom surface of the top grate; the U-shaped brackets at the left and right ends of the middle bracket in the middle of the upright post are respectively movably inserted with a short beam, and the short beams at the left and right sides support the middle part of the bottom surface of the non-top grate. The anti bending performance of long-span grate is improved through the mode of increasing the middle part strong point and thus reducing the span to this additional strengthening, consequently increases this additional strengthening in the combustion furnace, can effectively reduce the attrition rate of long-span grate, reduces use cost, also is favorable to the continuous operation of burning furnace simultaneously.
Description
Technical Field
The utility model relates to a mechanical reinforcing structure, in particular to a reinforcing structure of a long-span grate of a high-temperature pyrolysis gasification combustion furnace, and belongs to the technical field of combustion furnace accessories.
Background
In recent years, the technology of treating household garbage by using a high-temperature pyrolysis gasification system is gradually popularized, the high-temperature pyrolysis gasification treatment of the household garbage has high-efficiency energy utilization rate and good environmental protection characteristic, the generation of dioxin can be reduced in principle, most heavy metals are dissolved into ash slag in the pyrolysis gasification process, the emission is reduced, and harmless, recycling and energy utilization of the garbage can be realized. Domestic waste high temperature pyrolysis gasification processing system uses high temperature pyrolysis gasification to burn burning furnace and comes to carry out pyrolysis gasification to domestic waste and burn, because the domestic waste volume that needs to handle is generally great, and the high temperature pyrolysis gasification that matches and fires burning furnace's of burning throughput and need match, then need increase the furnace design, and consequently the span that is used for piling up the grate of material burning in the furnace can become very long. The bending resistance of long-span grate is relatively poor, takes place downward bending deformation until collapsing easily under the continuous high temperature heating of gasification burning during continuous use, therefore the long-span grate of pyrolysis gasification combustion furnace often the attrition rate is very high, needs often to change, and use cost is very high, changes the grate moreover and needs whole combustion furnace stop work, seriously influences the continuous operation of equipment.
Accordingly, it is desirable to add corresponding reinforcing structures to the long span grate in a furnace to improve the bend resistance thereof, thereby reducing the wear rate of the long span grate, reducing the cost of use, and facilitating the sustained operation of the furnace.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reinforcing structure of a long-span grate of a high-temperature pyrolysis gasification combustion furnace, which improves the bending resistance of the long-span grate by increasing a middle supporting point so as to reduce the span, thereby prolonging the service life of the long-span grate of the high-temperature pyrolysis gasification combustion furnace.
The utility model adopts the following specific technical scheme:
a reinforcing structure of a long-span fire grate of a high-temperature pyrolysis gasification combustion furnace is characterized in that a vertical upward upright post is erected at the bottom of the combustion furnace corresponding to the center of the fire grate, and the height of the upright post corresponds to the erection height of the top-layer fire grate; the top surface of the column body of the upright post is provided with a transverse U-shaped through groove, the middle part of the upright post is provided with more than 1U-shaped middle bracket which is transversely arranged, the number of the middle bracket corresponds to the number of layers of the non-top grate, and the height of each middle bracket on the upright post also corresponds to the erection height of each non-top grate; the center of the middle bracket is fixedly connected to the column body of the upright post, and the left end and the right end of the middle bracket respectively extend outwards for a certain distance from the column surface of the upright post, so that a U-shaped bracket is respectively formed at the left end and the right end of the column surface of the upright post; a long transverse beam is movably inserted into the U-shaped through groove on the top surface of the upright post, the middle part of the long transverse beam is inserted into the U-shaped through groove on the top surface of the upright post, the left end and the right end of the long transverse beam are respectively erected on the notches at the corresponding positions of the furnace walls on the left side and the right side of the combustion furnace, and the long transverse beam supports the middle part of the bottom surface of the top grate; the U-shaped bracket at the left end and the right end of the middle bracket at the middle part of the upright post is movably inserted with a transversely arranged short beam, wherein the right end of the left short beam is inserted in the U-shaped bracket at the left end of the middle bracket, the left end of the left short beam is erected on the notch at the corresponding position of the furnace wall at the left side of the combustion furnace, the left end of the right short beam is inserted in the U-shaped bracket at the right end of the middle bracket, the right end of the right short beam is erected on the notch at the corresponding position of the furnace wall at the right side of the combustion furnace, and the short beams at the left side and the right side support the middle part of the bottom surface of the non-top-layer grate.
Further, the top surface of the long cross beam is flush with the top surface of the upright post; the top surface of the short beam is flush with the top surface of the middle bracket inserted with the short beam so as to form a better supporting surface.
Furthermore, the longitudinal sections of the long beam and the short beam are isosceles trapezoids with small upper parts and large lower parts, so that the ash residues generated during combustion can fall and be discharged.
Furthermore, the top surface of the middle bracket is provided with an upper edge which is turned outwards towards the front side and the rear side so as to increase the supporting strength of the middle bracket.
Furthermore, the upright post and the middle bracket are both made of high-temperature-resistant alloy materials.
This additional strengthening of long-span grate is through setting up the stand in burning furnace bottom to set up the crossbeam that the multilayer activity strides the frame between stand and oven, support the bottom surface middle part of each layer grate respectively by each layer crossbeam, thereby reduce the mode of span through increasing middle part strong point and improve the bending resistance of long-span grate, consequently increase this additional strengthening in the burning furnace, can effectively reduce the attrition rate of long-span grate, reduce use cost, also be favorable to simultaneously burning the continuous operation of burning furnace.
Drawings
Fig. 1 is a perspective view of the reinforcing structure of the long span grate.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is an exploded view of the components of fig. 1.
Fig. 5 is a perspective view of a long span grate.
Fig. 6 is a perspective view of the reinforcing structure in use to support a multi-tier long span grate.
Fig. 7 is a front view of fig. 6.
In the figure: 1-upright post, 2-U-shaped through groove, 3-middle bracket, 3.1-U-shaped bracket, 3.2-upper edge, 4-long beam and 5-short beam.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1-7, the reinforcing structure of the long-span fire grate of the high-temperature pyrolysis gasification combustion furnace is characterized in that a vertical upward upright post 1 is erected at the bottom of the combustion furnace corresponding to the center of the fire grate, and the height of the upright post 1 corresponds to the erection height of the top-layer fire grate; the top surface of the column body of the upright post 1 is provided with a transverse U-shaped through groove 2, the middle part of the upright post 1 is provided with more than 1 transversely-arranged U-shaped middle brackets 3 (the middle part of the upright post is provided with 2 middle brackets in the drawing for example), the number of the middle brackets 3 corresponds to the number of layers of the grates on the non-top layer, and the height of each middle bracket 3 on the upright post 1 also corresponds to the erection height of each grate on the non-top layer; the center of the middle bracket 3 is fixedly connected to the column body of the upright post 1, the left end and the right end of the middle bracket 3 respectively extend outwards for a certain distance from the cylindrical surface of the upright post 1, and therefore a U-shaped bracket 3.1 is respectively formed at the left end and the right end of the cylindrical surface of the upright post 1; a transversely arranged long beam 4 is movably inserted into the U-shaped through groove 2 on the top surface of the upright post 1, the middle part of the long beam 4 is inserted into the U-shaped through groove 2 on the top surface of the upright post 1, the left end and the right end of the long beam 4 are respectively erected on the notches at the corresponding positions of the furnace walls on the left side and the right side of the combustion furnace, and the long beam 4 supports the middle part of the bottom surface of the top grate; the U-shaped bracket 3.1 at both ends about the middle bracket 3 in the middle part of the upright post 1 is respectively movably inserted with a transverse short beam 5, wherein the right end of the left short beam 5 is inserted in the U-shaped bracket 3.1 at the left end of the middle bracket 3, the left end of the left short beam 5 is erected on the notch at the corresponding position of the left furnace wall of the combustion furnace, the left end of the right short beam 5 is inserted in the U-shaped bracket 3.1 at the right end of the middle bracket 3, the right end of the right short beam 5 is erected on the notch at the corresponding position of the right furnace wall of the combustion furnace, and the middle part of the bottom surface of the non-top layer grate is supported by the left and right short beams 5. The top surface of the long beam 4 is flush with the top surface of the upright post 1; the top surface of the short beam 5 is flush with the top surface of the middle bracket 3 inserted with the short beam. The longitudinal sections of the long beam 4 and the short beam 5 are isosceles trapezoids with small upper parts and large lower parts. The top surface of the middle bracket 3 is provided with an upper edge 3.2 which is turned outwards towards the front side and the rear side. The upright post and the middle bracket are both made of high-temperature-resistant alloy materials.
When the reinforcing structure is used, the upright posts 1 are erected in the combustion furnace firstly, notches for placing the ends of the long beams 4 and the short beams 5 are arranged at the positions corresponding to the furnace wall, then the short beams 5 are upwards installed layer by layer from the lowest layer and corresponding non-top layer grates are laid, the long beam 4 on the uppermost layer is installed at last, the top layer grates are laid, and then the whole reinforcing structure and the grates can be installed. When the grate is installed, if the gap between centers of non-top grates is not enough, an opening for the upright post and the middle bracket 3 to pass through needs to be arranged at the center of the grate. After the supports of the upright posts 1 and the long and short cross beams 4 and 5 are additionally arranged in the middle of the bottom surface of each long-span grate layer, the span can be reduced, the bending strength is improved, downward bending deformation and collapse are not easy to occur even under continuous high-temperature heating of gasification combustion, and the service life is greatly prolonged.
The above-described embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications or equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A reinforcing structure of a long-span fire grate of a high-temperature pyrolysis gasification combustion furnace is characterized in that: the reinforcing structure of the long-span fire grate is characterized in that a vertical upward upright post is erected at the position, corresponding to the center of the fire grate, at the bottom of the combustion furnace, and the height of the upright post corresponds to the erection height of the top-layer fire grate; the top surface of the column body of the upright post is provided with a transverse U-shaped through groove, the middle part of the upright post is provided with more than 1U-shaped middle bracket which is transversely arranged, the number of the middle bracket corresponds to the number of layers of the non-top grate, and the height of each middle bracket on the upright post also corresponds to the erection height of each non-top grate; the center of the middle bracket is fixedly connected to the column body of the upright post, and the left end and the right end of the middle bracket respectively extend outwards for a certain distance from the column surface of the upright post, so that a U-shaped bracket is respectively formed at the left end and the right end of the column surface of the upright post; a long transverse beam is movably inserted into the U-shaped through groove on the top surface of the upright post, the middle part of the long transverse beam is inserted into the U-shaped through groove on the top surface of the upright post, the left end and the right end of the long transverse beam are respectively erected on the notches at the corresponding positions of the furnace walls on the left side and the right side of the combustion furnace, and the long transverse beam supports the middle part of the bottom surface of the top grate; the U-shaped bracket at the left end and the right end of the middle bracket at the middle part of the upright post is movably inserted with a transversely arranged short beam, wherein the right end of the left short beam is inserted in the U-shaped bracket at the left end of the middle bracket, the left end of the left short beam is erected on the notch at the corresponding position of the furnace wall at the left side of the combustion furnace, the left end of the right short beam is inserted in the U-shaped bracket at the right end of the middle bracket, the right end of the right short beam is erected on the notch at the corresponding position of the furnace wall at the right side of the combustion furnace, and the short beams at the left side and the right side support the middle part of the bottom surface of the non-top-layer grate.
2. The long-span grate reinforcing structure for a pyrolysis-gasification combustion furnace as recited in claim 1, wherein: the top surface of the long beam is flush with the top surface of the upright post; the top surface of the short beam is flush with the top surface of the middle bracket inserted with the short beam.
3. The long-span grate reinforcing structure for a pyrolysis-gasification combustion furnace as recited in claim 1, wherein: the longitudinal sections of the long cross beam and the short cross beam are isosceles trapezoids with small upper parts and large lower parts.
4. The long-span grate reinforcing structure for a pyrolysis-gasification combustion furnace as recited in claim 1, wherein: the top surface of the middle bracket is provided with an upper edge which is turned outwards towards the front side and the rear side.
5. The long-span grate reinforcing structure for a pyrolysis-gasification combustion furnace as recited in claim 1, wherein: the upright post and the middle bracket are both made of high-temperature-resistant alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121342693.4U CN215336398U (en) | 2021-06-17 | 2021-06-17 | Reinforcing structure of long-span fire grate of high-temperature pyrolysis gasification combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121342693.4U CN215336398U (en) | 2021-06-17 | 2021-06-17 | Reinforcing structure of long-span fire grate of high-temperature pyrolysis gasification combustion furnace |
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| Publication Number | Publication Date |
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| CN215336398U true CN215336398U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121342693.4U Active CN215336398U (en) | 2021-06-17 | 2021-06-17 | Reinforcing structure of long-span fire grate of high-temperature pyrolysis gasification combustion furnace |
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| CN (1) | CN215336398U (en) |
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2021
- 2021-06-17 CN CN202121342693.4U patent/CN215336398U/en active Active
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