CN217715911U - Thermal expansion self-suction type catalyst high-temperature roasting system - Google Patents
Thermal expansion self-suction type catalyst high-temperature roasting system Download PDFInfo
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- CN217715911U CN217715911U CN202221309146.0U CN202221309146U CN217715911U CN 217715911 U CN217715911 U CN 217715911U CN 202221309146 U CN202221309146 U CN 202221309146U CN 217715911 U CN217715911 U CN 217715911U
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Abstract
The utility model discloses a thermal energy is from inhaling formula catalyst high temperature calcination system, including fixed support, catalyst high temperature roasting furnace, connection feed pipeline section and hopper, catalyst high temperature roasting furnace and hopper are fixed between two-layer frame platform through fixed support respectively to connect through connecting the feed pipeline section between two equipment. The utility model discloses a feeding linkage segment and the mode of addding high temperature thermal energy from inhaling the structure in the middle of addding between the high temperature roasting furnace of hopper and catalyst have reduced the unable effective and safe absorbent problem of thermal expansion in the feed roasting system, have improved the security and the reliability of the long period of operation of system.
Description
Technical Field
The utility model relates to a high temperature roasting system field of being correlated with especially relates to a thermal energy is from inhaling formula catalyst high temperature roasting system.
Background
At present, the operating temperature of roasting furnaces for various purposes in domestic reforming catalyst production devices is generally between 250 ℃ and 680 ℃, the structural characteristics of the roasting furnaces are slender, if a roasting furnace catalyst feeding hopper is added, a catalyst feeding roasting system is inevitably positioned between two layers of structural frame platforms, the expansion amount of equipment is large due to the high temperature of the roasting furnace and the slender equipment, and the arrangement structural form of most of the feeding roasting systems is as follows: the roasting furnace is fixed on a next layer of frame structure platform through a support, the catalyst feeding hopper is supported and arranged on an upper layer of frame structure platform through a spring support and hanger, the spring support and hanger is mainly used for absorbing expansion displacement transmitted by the roasting furnace arranged on the next layer of frame structure platform, and the roasting furnace is directly welded and connected with the feeding hopper through a feeding pipe with a larger length-diameter ratio.
The main potential safety hazard of equipment in a feeding roasting system is the influence and damage of thermal expansion displacement generated by high temperature on the equipment, and the influence caused by thermal expansion is solved by the following two commonly adopted solving methods: one is that an expansion joint is added between the roasting furnace and the feeding hopper through a feeding pipe connection, if an expansion joint structure is adopted, the whole system needs to be subjected to thermal analysis and calculation, the operation is complex, and the expansion joint is easily damaged under the influence of thermal fluctuation; the other method is to arrange a spring support and hanger on a hopper support, the spring support and hanger can better play the role of the spring hanger only by setting relatively accurate expansion displacement and installation pre-compression, and in the actual installation and construction process, the spring support and hanger needs relatively strong technical service support due to construction errors.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned not enough, the utility model provides a thermal energy is from inhaling formula catalyst high temperature roasting system utilizes this system to calculate simple, simple structure, practical and easy maintenance's characteristics. The influence of thermal expansion on system equipment is solved, and therefore the safety, economy and reasonability of long-period running and using of the equipment are guaranteed.
In order to realize the purpose, the utility model discloses take following technical scheme: the utility model provides a thermal energy is from inhaling formula catalyst high temperature calcination system, includes fixed support, the high temperature roasting furnace of catalyst, connects feed pipe section and hopper, the high temperature roasting furnace of catalyst and hopper are fixed between two-layer frame platform through fixed support respectively to connect through connecting the feed pipe section between two equipment.
Preferably, the connecting and feeding pipe section consists of a catalyst high-temperature roasting furnace top plate, a catalyst high-temperature roasting furnace feeding hole, a feeding pipe at the lower section of the feeding hopper, a feeding pipe connecting flange, a middle feeding pipe fastening piece, a middle feeding connecting pipe, a feeding pipe at the upper section of the feeding hopper outlet and a high-temperature thermal expansion self-absorption structure;
the feeding hopper is connected with a feeding pipe at the upper section of an outlet of the feeding hopper, and the feeding pipe at the lower section of the feeding hopper is connected with a feeding port of a catalyst high-temperature roasting furnace of the catalyst high-temperature roasting furnace through a high-temperature thermal expansion self-absorption structure;
the feeding pipe at the upper section of the outlet of the feeding hopper is connected with the middle feeding connecting pipe through a feeding pipe connecting flange and a middle feeding pipe fastener;
the middle feeding connecting pipe is connected with a feeding pipe at the lower section of the feeding hopper through a feeding pipe connecting flange.
Preferably, the high-temperature thermal expansion self-absorption structure comprises a butterfly nut, a ceramic fiber sealing plate, an eyelet bolt rotating shaft, a sealing cylinder section, a fixed baffle, a packing sealing ring and a temperature-resistant ceramic fiber felt;
the feeding device is characterized in that a fixed baffle and a packing sealing ring are welded on a feeding pipe at the lower section of the feeding hopper, a sealing cylindrical section is welded on the fixed baffle, an eyelet bolt rotating shaft is welded on the sealing cylindrical section, and an eyelet bolt is installed on the eyelet bolt rotating shaft.
Preferably, the swing bolt fastens the ceramic fiber sealing plate through the butterfly nut and compresses the temperature-resistant ceramic fiber felt.
Preferably, the ceramic fiber sealing plate and the filler sealing ring are not welded with a feed inlet of the catalyst high-temperature roasting furnace welded on a top plate of the catalyst high-temperature roasting furnace, and a gap is left.
The utility model has the advantages that:
the utility model discloses a feeding linkage segment and the mode of addding high temperature thermal energy from inhaling the structure in the middle of addding between the high temperature roasting furnace of hopper and catalyst have reduced the unable effective and safe absorbent problem of thermal expansion in the feed roasting system, have improved the security and the reliability of the long period of operation of system.
The utility model reduces the workload of the sectional welding of the feeding connecting pipe section between the feeding roasting systems; the influence of thermal stress between systems on equipment and connecting pipes is reduced; the flange connection structure of the feeding connection pipe section is simple and easy to disassemble; the thermal expansion system is simple to calculate; the high-temperature expansion self-absorption structure is simple to manufacture, and the sealing filler is simple and convenient to replace; the fixed support is convenient and fast to install and saves time; the mode of adding the middle feeding connecting section and the high-temperature thermal expansion self-absorption structure is economical and reasonable; the whole system has simple installation and easy operation; the stability of the long-period safe operation of the equipment is effectively ensured.
Drawings
FIG. 1 is a general view of the feeding system of the present invention;
figure 2 is a schematic view of the thermal expansion absorption system of the present invention in connection with the feed section at I of figure 1.
Wherein: 1. a fixed support; 2. a catalyst high-temperature roasting furnace; 3. connecting a feeding pipe section; 4. a feeding hopper; 2-1, roasting a furnace top plate at a high temperature by using a catalyst; 2-2, a feed inlet of a catalyst high-temperature roasting furnace; 3-1, butterfly nuts; 3-2, sealing a ceramic fiber plate; 3-3, swing bolt; 3-4, swing bolt rotating shaft; 3-5, sealing the cylindrical section; 3-6, fixing a baffle; 3-7, a feeding pipe at the lower section of the feeding hopper; 3-8, connecting a feeding pipe with a flange; 3-9, packing and sealing rings; 3-10 parts of temperature-resistant ceramic fiber felt; 3-11, intermediate feed pipe fasteners; 3-12, an intermediate feeding connecting pipe; 3-13, and a feeding pipe is arranged at the upper section of the outlet of the feeding hopper.
Detailed Description
In order to further explain the technical solution of the present invention, the following is a detailed explanation through specific examples.
As shown in fig. 1, the utility model provides a thermal energy is from inhaling formula catalyst high temperature roasting system mainly comprises fixing support 1, the burning furnace 2 is baked over a slow fire to catalyst high temperature, connect feed pipeline section 3, hopper 4 and some necessary technologies and instrument openings, the burning furnace 2 is baked over a slow fire to catalyst high temperature and hopper 4 are fixed between two-layer frame platform through fixing support 1 respectively, connect through connecting feed pipeline section 3 (connecting feed connecting pipe 3-12 and thermal energy are from inhaling the structure in the middle of being equipped with detachable on connecting feed pipeline section 3) between two equipment. The catalyst to be calcined and activated is firstly conveyed to a feeding hopper 4 by conveying equipment and then is supplied to a catalyst high-temperature roasting furnace 2 for high-temperature calcination and activation through a connecting feeding pipe section 3 (a detachable middle feeding connecting pipe and a high-temperature thermal expansion self-absorption structure are arranged on the connecting pipe section). In the operation process of the system, because the temperature of the roasting furnace is high, and the catalyst high-temperature roasting furnace 2 and the feeding hopper 4 are both fixed between the two frame platforms by the fixed support 1, the equipment and the middle connecting pipe section are damaged or even leaked due to the fact that the thermal expansion amount generated by high temperature inevitably causes the thermal expansion displacement with immeasurable parameters between the two equipment, and in order to avoid risks, the detachable middle feeding connecting pipes 3-12 and the high-temperature thermal expansion self-absorption structure are arranged on the connecting feeding pipe section 3, so that the influence of thermal expansion on the whole roasting system is effectively avoided.
As shown in fig. 1 and fig. 2, in this embodiment, the connecting feeding pipe section 3 is composed of a top plate 2-1 of the catalyst high-temperature roasting furnace, a feeding port 2-2 of the catalyst high-temperature roasting furnace, a feeding pipe 3-7 at the lower section of the feeding hopper, a feeding pipe connecting flange 3-8, a middle feeding pipe fastening part 3-11, a middle feeding connecting pipe 3-12, a feeding pipe 3-13 at the upper section of the feeding hopper outlet, and a high-temperature thermal expansion self-absorption structure.
The feeding hopper 4 is connected with a feeding pipe 3-13 at the upper section of an outlet of the feeding hopper, and the feeding pipe 3-7 at the lower section of the feeding hopper is connected with a feeding port 2-2 of the catalyst high-temperature roasting furnace through a high-temperature thermal expansion self-absorption structure;
the upper feeding pipe 3-13 at the outlet of the feeding hopper is connected with the middle feeding connecting pipe 3-12 through a feeding pipe connecting flange 3-8 and a middle feeding pipe fastener 3-11;
the intermediate feeding connecting pipes 3-12 are connected with feeding pipes 3-7 on the lower section of the feeding hopper through feeding pipe connecting flanges 3-8, and the purpose of arranging the intermediate feeding connecting pipes 3-12 is to facilitate the disassembly of the ceramic fiber sealing plate 3-2 and the replacement of the temperature-resistant ceramic fiber felt 3-10 when the temperature-resistant ceramic fiber felt 3-10 is damaged.
As shown in FIG. 2, the high-temperature thermal expansion self-absorption structure comprises a butterfly nut 3-1, a ceramic fiber sealing plate 3-2, an eyelet bolt 3-3, an eyelet bolt rotating shaft 3-4, a sealing cylinder section 3-5, a fixed baffle 3-6, a packing sealing ring 3-9 and a temperature-resistant ceramic fiber felt 3-10;
a fixed baffle 3-6 and a packing seal ring 3-9 are welded on a feeding pipe 3-7 at the lower section of the feeding hopper, a sealing cylindrical section 3-5 is welded on the fixed baffle 3-6, an eyelet bolt rotating shaft 3-4 is welded on the sealing cylindrical section 3-5, an eyelet bolt 3-3 is installed on the eyelet bolt rotating shaft 3-4, and the eyelet bolt 3-3 fastens a ceramic fiber sealing plate 3-2 through a butterfly nut 3-1 and tightly presses a temperature-resistant ceramic fiber felt 3-10 to achieve the purpose of sealing; the ceramic fiber sealing plate 3-2, the packing sealing ring 3-9 and the catalyst high-temperature roasting furnace feed inlet 2-2 welded on the catalyst high-temperature roasting furnace top plate 2-1 are not welded and have gaps, so that the catalyst high-temperature roasting furnace feed inlet 2-2 can freely stretch and retract with the lower section feed pipe 3-7 when in thermal expansion, the thermal expansion amount of the catalyst high-temperature roasting furnace is calculated, a vertical installation distance larger than the calculated thermal expansion amount displacement is reserved between the fixed baffle 3-6 and the catalyst high-temperature roasting furnace feed inlet 2-2, the thermal expansion of the whole feeding system achieves the effect of sealing and self-absorption, and the safety, the economy and the reasonability of the system are ensured.
The utility model provides a thermal expansion self-suction type catalyst high-temperature roasting system, which reduces the workload of the sectional welding of a feeding connecting pipe section between feeding roasting systems; the influence of thermal stress between systems on equipment and connecting pipes is reduced; the flange connection structure of the feeding connection pipe section is simple and easy to disassemble; the thermal expansion system is simple to calculate; the high-temperature expansion self-absorption structure is simple to manufacture, and the sealing filler is simple and convenient to replace; the fixed support is convenient and fast to install and saves time; the mode of adding the middle feeding connecting section and the high-temperature thermal expansion self-absorption structure is economical and reasonable; the whole installation of the system is simple and easy to operate; the stability of the long-period safe operation of the equipment is effectively ensured.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A thermal expansion self-suction type catalyst high-temperature roasting system is characterized in that: the device comprises a fixed support (1), a catalyst high-temperature roasting furnace (2), a connecting feeding pipe section (3) and a feeding hopper (4), wherein the catalyst high-temperature roasting furnace (2) and the feeding hopper (4) are respectively fixed between two layers of frame platforms through the fixed support (1), and the two devices are connected through the connecting feeding pipe section (3).
2. The thermal expansion self-priming catalyst high-temperature roasting system of claim 1, characterized in that: the connecting feeding pipe section (3) consists of a catalyst high-temperature roasting furnace top plate (2-1), a catalyst high-temperature roasting furnace feeding port (2-2), a feeding pipe (3-7) at the lower section of a feeding hopper, a feeding pipe connecting flange (3-8), a middle feeding pipe fastening piece (3-11), a middle feeding connecting pipe (3-12), a feeding pipe (3-13) at the upper section of an outlet of the feeding hopper and a high-temperature thermal expansion self-absorption structure;
the feeding hopper (4) is connected with a feeding pipe (3-13) at the upper section of an outlet of the feeding hopper, and the feeding pipe (3-7) at the lower section of the feeding hopper is connected with a feeding port (2-2) of the catalyst high-temperature roasting furnace (2) through a high-temperature thermal expansion self-absorption structure;
the feeding pipe (3-13) at the upper section of the outlet of the feeding hopper is connected with the middle feeding connecting pipe (3-12) through a feeding pipe connecting flange (3-8) and a middle feeding pipe fastener (3-11);
the middle feeding connecting pipe (3-12) is connected with a feeding pipe (3-7) at the lower section of the feeding hopper through a feeding pipe connecting flange (3-8).
3. The thermal expansion self-priming catalyst high-temperature roasting system of claim 2, characterized in that: the high-temperature thermal expansion self-absorption structure comprises a butterfly nut (3-1), a ceramic fiber sealing plate (3-2), an eyelet bolt (3-3), an eyelet bolt rotating shaft (3-4), a sealing cylinder section (3-5), a fixed baffle (3-6), a packing sealing ring (3-9) and a temperature-resistant ceramic fiber felt (3-10);
the lower section of the feeding hopper is provided with a feeding pipe (3-7) welded with a fixed baffle (3-6) and a packing sealing ring (3-9), the fixed baffle (3-6) is welded with a sealing cylinder section (3-5), the sealing cylinder section (3-5) is welded with an eyelet bolt rotating shaft (3-4), and the eyelet bolt rotating shaft (3-3) is installed on the eyelet bolt rotating shaft (3-4).
4. The thermal expansion self-priming catalyst high-temperature roasting system of claim 3, characterized in that: the swing bolt (3-3) fastens the ceramic fiber sealing plate (3-2) through the butterfly nut (3-1) and compresses the temperature-resistant ceramic fiber felt (3-10).
5. The thermal expansion self-priming catalyst high-temperature roasting system of claim 3, characterized in that: the ceramic fiber sealing plate (3-2) and the filler sealing ring (3-9) are not welded with the feed inlet (2-2) of the catalyst high-temperature roasting furnace welded on the top plate (2-1) of the catalyst high-temperature roasting furnace, and a gap is left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221309146.0U CN217715911U (en) | 2022-05-26 | 2022-05-26 | Thermal expansion self-suction type catalyst high-temperature roasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221309146.0U CN217715911U (en) | 2022-05-26 | 2022-05-26 | Thermal expansion self-suction type catalyst high-temperature roasting system |
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| CN217715911U true CN217715911U (en) | 2022-11-01 |
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| CN202221309146.0U Active CN217715911U (en) | 2022-05-26 | 2022-05-26 | Thermal expansion self-suction type catalyst high-temperature roasting system |
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