CN108844364B - Drainage type furnace body structure - Google Patents
Drainage type furnace body structure Download PDFInfo
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- CN108844364B CN108844364B CN201810594880.8A CN201810594880A CN108844364B CN 108844364 B CN108844364 B CN 108844364B CN 201810594880 A CN201810594880 A CN 201810594880A CN 108844364 B CN108844364 B CN 108844364B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
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Abstract
The invention discloses a drainage type furnace body structure, which comprises a shell and a furnace chamber surrounded by the shell, wherein the bottom wall of the furnace chamber is provided with a plurality of U-shaped supporting plates, the openings of the U-shaped supporting plates face the bottom wall of the furnace chamber, the plurality of U-shaped supporting plates are arranged at intervals along the conveying direction, the side wall of each U-shaped supporting plate is provided with a plurality of water through openings which are arranged at intervals and are vertical to the conveying direction, and the bottom of the shell is provided with a first drainage port which can drain water at the bottom wall of the furnace chamber. According to the invention, the special drainage structure is arranged at the bottom of the furnace chamber, the corrosion-resistant heat-insulating layer at the bottom is separated from the liquid water condensed and formed on the bottom surface of the furnace chamber, and the liquid water cannot be soaked in water for a long time, so that the accelerated corrosion of a refractory material after a strong alkali melt is wetted is effectively prevented, and the water is discharged out of the furnace chamber in time, so that the drying environment in the furnace chamber is favorably maintained, the premature failure of the refractory material is avoided, the corrosion condition of the furnace body is alleviated, and.
Description
Technical Field
The invention relates to a lithium battery sintering roller furnace, in particular to a drainage type furnace body structure.
Background
In recent years, the roller furnace market is hot, the roller furnace production in large batch is particularly guided to develop towards higher-grade material sintering equipment along with the innovation of material technology. Particularly, the ternary material is taken as a typical material, and the 523 ternary material which can be thermally treated in the air is changed into a high-nickel 622 ternary material (the ambient oxygen content of the material is more than 60%) and a high-nickel 811 ternary material (the ambient oxygen content of the material is more than 98.5%) which need to be thermally treated under the oxygen-rich condition. However, the high-nickel ternary material can generate a large amount of colloid objects and discharge water in the heat treatment high-temperature sintering process, the water can permeate into the metal material furnace body structure close to the outer side through the layer-by-layer refractory material and is condensed to form liquid water after contacting with metal with lower temperature, and the liquid water can be accumulated at the bottom of the metal furnace body, the bottom surface of the heating box and the bottom surface of the transmission box. The common air roller bed furnace can not meet the requirements of the production process, while the conventional atmosphere protection sealing roller bed furnace can meet the atmosphere conditions of the material heat treatment process, but has no drainage structures at the bottom of the furnace body, the bottom of the heating box and the bottom of the transmission box, so that liquid water generated in the process of heat treatment of the high-nickel ternary material can not be drained out of equipment in time, which causes water accumulation of the equipment; meanwhile, in the high-temperature synthesis process of the high-nickel ternary lithium battery material, molten alkaline oxide Li2O and strong base LiOH exist, and the high-nickel ternary lithium battery material is dissolved in water to aggravate corrosion of a furnace lining refractory material and a metal furnace body. Finally, the furnace lining and the metal furnace body are corroded and damaged quickly, and overhaul is needed to ensure normal operation and production of equipment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a drainage type furnace body structure which can drain the moisture in a furnace chamber out of the furnace chamber in time, is beneficial to keeping a dry environment in the furnace chamber, avoids premature failure of refractory materials, lightens the corrosion condition of a furnace body and prolongs the service life of equipment.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a drainage type furnace body structure, includes the shell and the furnace chamber of being enclosed by the shell, be equipped with a plurality of U-shaped screwed plates on the furnace chamber diapire, the opening of U-shaped backup pad is towards the furnace chamber diapire, and a plurality of U-shaped backup pads are along direction of delivery interval arrangement, perpendicular to direction of delivery is equipped with a plurality of interval arrangement's water service mouth on the lateral wall of U-shaped backup pad, the shell bottom is equipped with the first drainage mouth that can be with the water escape of furnace chamber diapire.
As a further improvement of the above technical solution, preferably, the water passage opening is a groove structure, and a notch of the groove structure is located on a bottom wall of the oven cavity.
As a further improvement of the above technical solution, preferably, the first drain port is a through hole formed in a bottom wall of the furnace chamber, a first drain joint is arranged in the through hole, the first drain joint is connected to a metal corrugated pipe, the through hole is provided in a plurality, and the first drain joint is correspondingly provided in a plurality.
As a further improvement of the above technical solution, preferably, the furnace body structure further includes four heating sealing boxes, the four heating sealing boxes are symmetrically arranged on two sides of the housing, a bottom wall portion or all of the heating sealing boxes are obliquely arranged, and a second water outlet is arranged at the lowest point of the bottom wall.
As a further improvement of the above technical solution, preferably, the heat sealing box is provided with a second air inlet joint for introducing air so that the air pressure in the heat sealing box is higher than the oven cavity.
As a further improvement of the above technical solution, preferably, the furnace body structure further includes two transmission sealing boxes, the transmission sealing boxes are located between the two heating sealing boxes on one side, and a third water outlet is formed in the bottom wall of each transmission sealing box.
As a further improvement of the above technical solution, preferably, the transmission sealing box is provided with a third air inlet joint for allowing air to enter so that the air pressure in the transmission sealing box is higher than the furnace chamber, a gas distribution pipe is arranged in the transmission sealing box, the length of the gas distribution pipe is matched with the length of the transmission sealing box, a plurality of uniform gas distribution small holes are formed in the pipe wall of the gas distribution pipe, and the third air inlet joint is communicated with the gas distribution pipe.
As a further improvement of the above technical scheme, preferably, the shell bottom is provided with an adjusting seat, the adjusting seat comprises leg assemblies arranged at four corners, each leg assembly comprises a support channel steel, a support cover, a stick, a thread plate and a screw rod, the stick is arranged in the support cover, the screw rod is arranged on the support cover, one end of the support channel steel is fixedly connected with the shell bottom, the other end of the support channel steel is fixed on the thread plate, the screw rod penetrates through the thread plate and extends into the support channel steel, and the thread plate is provided with a threaded hole in threaded fit with the screw rod.
As a further improvement of the above technical solution, preferably, the four leg assemblies are connected by a connecting rod, and two ends of the connecting rod are respectively fixed to the supporting channel steel and/or the threaded plate.
As a further improvement of the above technical solution, preferably, a cover plate is disposed on the top of the housing.
Compared with the prior art, the invention has the advantages that:
(1) according to the drainage type furnace body structure, the special drainage structure is arranged at the bottom of the furnace chamber, the corrosion-resistant heat-insulating layer at the bottom is separated from the liquid water condensed and formed on the bottom surface of the furnace chamber, and the liquid water cannot be soaked in the water for a long time, so that the accelerated corrosion of a refractory material caused by the fact that a strong alkali melt is wetted is effectively prevented, the water is timely drained out of the furnace chamber, the drying environment in the furnace chamber is favorably kept, the premature failure of the refractory material is avoided, the corrosion condition of the furnace body is reduced, and the.
(2) According to the drainage type furnace body structure, the drainage port is designed on the heating sealing box, so that liquid water is guaranteed to be drained out of the box body in time, the air inlet connector is designed, introduction of process gas is beneficial to reducing water vapor entering the heating box from the heating hole in the side wall of the furnace chamber, and the heating element connector is protected from being dried; the design of the air inlet pipe and the drainage joint of the transmission sealing box is favorable for timely discharging liquid water in the box body, meanwhile, the uniform air inlet design of the air inlet pipe effectively improves the air pressure in the box body, reduces water vapor entering the transmission box from the rod hole of the transmission roller on the side wall of the furnace chamber as much as possible, and is favorable for reducing the temperature of the part by blowing the process gas at a lower temperature to the transmission metal part, thereby being favorable for ensuring the stable and effective work of the transmission part.
(3) The bottom of the furnace body is provided with the adjusting seat, so that the support is ensured, and the functions of short-distance movement of the furnace body and adjustment of the levelness of the furnace body are met.
Drawings
Fig. 1 is a front view of the present invention (perpendicular to the conveying direction).
Fig. 2 is a schematic side view (parallel to the conveying direction) of the present invention.
Fig. 3 is an enlarged view of fig. 1 at a.
Fig. 4 is an enlarged view of fig. 1 at B.
Fig. 5 is an enlarged view at C of fig. 2.
Fig. 6 is a schematic structural view of a U-shaped support plate according to the present invention.
Fig. 7 is a schematic structural diagram of the transmission seal box of the invention.
Fig. 8 is a schematic view of the structure of the heat sealing case of the present invention.
The reference numerals in the figures denote:
1. a housing; 11. a cover plate; 2. a furnace chamber; 3. a U-shaped support plate; 31. a water inlet; 5. a first drain port; 51. a first drain fitting; 6. heating the sealed box; 61. a second water discharge port; 62. a second air inlet joint; 7. a transmission seal box; 71. a third water discharge port; 72. a third air inlet joint; 8. a gas distributing pipe; 81. gas distribution pores; 9. a leg assembly; 91. supporting channel steel; 92. a support housing; 93. a stick; 94. a thread plate; 95. a screw; 96. a connecting rod.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
As shown in fig. 1 to 8, the drainage furnace body structure of the present embodiment includes a casing 1 and a furnace chamber 2 enclosed by the casing 1, a plurality of U-shaped supporting plates 3 are disposed on a bottom wall of the furnace chamber 2, an opening of the U-shaped supporting plates 3 faces a bottom wall of the furnace chamber 2, the U-shaped supporting plates 3 are spaced along a conveying direction, a plurality of water passing ports 31 are disposed on a side wall of the U-shaped supporting plates 3 perpendicular to the conveying direction, and a first drainage port 5 capable of draining water from the bottom wall of the furnace chamber 2 is disposed at a bottom of the casing 1.
In practical application, the inner wall of the furnace chamber 2 is provided with a corrosion-resistant insulating layer (not shown in the figure), and in the embodiment, the furnace body drainage structure is improved for convenience of display, and the corrosion-resistant insulating layer is removed. That is, the U-shaped support plate 3 of the present embodiment is disposed between the corrosion-resistant insulating layer and the housing 1, and prevents the corrosion-resistant insulating layer from directly contacting the bottom wall.
In this embodiment, the water passage opening 31 is a groove structure, and the notch of the groove structure is located on the bottom wall of the oven cavity 2, i.e. the water passage opening 31 is located at the lowest point of the U-shaped support plate 3, which facilitates the circulation of water. The U-shaped supporting plate 3 is formed by bending a thin plate. The steam in the furnace chamber 2 meets the liquid water condensed by the metal structure at the bottom of the furnace chamber 2, accumulates at the bottom of the furnace chamber 2, and is discharged through the first water discharge port 5 at the bottom wall of the furnace chamber 2 under the flow guiding effect of the water through ports 31, so that a plurality of water through ports 31 are arranged, the purpose is to ensure that the water at the whole bottom wall is smoothly discharged, and the support capability of the U-shaped support plate 3 is improved, and the phenomenon that the U-shaped support plate is bent by the corrosion-resistant heat-insulating layer due to the opening of a large long port is avoided. Through the design of such drainage, the corrosion resistant heat preservation of bottom is separated with the liquid water that the condensation formed in furnace chamber 2 bottom surface, can not soak in aqueous for a long time, has effectively prevented to corrode refractory material with higher speed after strong alkali melt is stained with water to moisture in time discharges furnace chamber 2, is favorable to keeping the interior dry environment of furnace chamber 2, avoids refractory material premature failure, alleviates the furnace body and corrodes the condition, extension equipment life.
In this embodiment, specifically, the first drain port 5 is a through hole (not shown in the figure) formed in the bottom wall of the furnace chamber 2, a first drain joint 51 is arranged in the through hole, the first drain joint 51 is connected with a corrugated metal pipe, the number of the through holes is four (the number is not limited), the number of the first drain joints 51 is four, and thus the water stored in the bottom wall of the furnace chamber 2 flows to the outside of the device through the first drain joint 51 and the corrugated metal pipe and is collected by an external return water collector.
In this embodiment, furnace body structure includes four heating seal box 6, and shell 1 both sides are located to four heating seal box 6 bisymmetry, still includes two transmission seal box 7, and transmission seal box 7 is located between two heating seal box 6 of one side. I.e. two heat-sealing boxes 6 on each side, two heat-sealing boxes 6 corresponding to one drive-sealing box 7, the heat-sealing boxes 6 corresponding to the heating elements (not shown in the oven chamber 2), the drive-sealing boxes 7 corresponding to the rod system (not shown in the oven chamber 2) conveying the saggars. Therefore, the transmission sealing box 7 and the heating sealing box 6 are communicated with the inside of the cavity 2.
Wherein, the bottom wall of the heating seal box 6 is partially arranged in an inclined manner, the lowest point of the bottom wall is provided with a second water outlet 61, and a water discharge joint and a water discharge pipeline (not shown in the figure) are arranged in the second water outlet 61 and are used for discharging liquid water after the water vapor entering the heating seal box 6 is condensed. The bottom surface of the box is designed to be an inclined surface, which is beneficial to the liquid water to flow to the drainage joint. Furthermore, a second air inlet joint 62 is arranged at the end, close to the furnace tail, of the box, process gas is introduced, the requirement of the atmosphere in the furnace is favorably met, the air pressure (pressure intensity) in the heating sealing box 6 is slightly higher than that in the furnace chamber 2, and therefore as little water vapor as possible enters the heating sealing box 6 and is condensed into liquid water, and the heating element joint is protected from being dried.
In this embodiment, the transmission sealing box 7 is a rectangular structure and is formed by bending and welding two thin plates. Similarly, the bottom wall of the box body is provided with a third water outlet 71, and a water discharge joint and a water discharge pipeline (not shown in the figure) are arranged in the third water outlet 71 and used for discharging the liquid water condensed from the water vapor entering the transmission sealing box 7 out of the box body in time so as to prevent the metal transmission part and the metal shell from rusting and damaging. Further, a gas distribution pipe 8 is arranged in the transmission sealing box 7, the length of the gas distribution pipe 8 is matched with that of the transmission sealing box 7, a plurality of uniform gas distribution small holes 81 are formed in the pipe wall of the gas distribution pipe 8, and the third gas inlet joint 72 is communicated with the gas distribution pipe 8. The gas distributing pipe 8 (a metal pipe) provided with the plurality of gas distributing small holes 81 can enable process gas to uniformly enter the transmission sealing box 7, and enable the process gas to enter at a low temperature, so that the air pressure in the transmission box is slightly higher than that in the furnace chamber 2, as little water vapor as possible enters the transmission sealing box 7 and is condensed into liquid water, and meanwhile, the gas outlets of the uniform gas distributing small holes 81 blow against the metal transmission part, so that the temperature of the transmission part can be reduced as much as possible, and the stable and effective work of the transmission part can be guaranteed.
In this embodiment, shell 1 bottom is equipped with the regulation seat, adjust the seat including the landing leg subassembly 9 of locating the four corners, landing leg subassembly 9 is including supporting channel-section steel 91, support cover 92, stick 93, thread plate 94 and screw rod 95, stick 93 is adorned in supporting cover 92, screw rod 95 is located on supporting cover 92, support channel-section steel 91 one end and shell 1 bottom fixed connection, the other end is fixed on thread plate 94, screw rod 95 passes thread plate 94 and stretches into in supporting channel-section steel 91, be equipped with on the thread plate 94 with the screw hole of screw rod 95 screw-thread fit. The locating hole has been processed on the support cover 92 surface, and the screw rod 95 lower extreme is cylindrical, can stretch into the locating hole of support cover 92, and simultaneously, the screw rod 95 lower extreme still designs there is the step, supports and restricts the distance that screw rod 95 stretched into this locating hole.
In this embodiment, the four leg assemblies 9 are connected by a connecting rod 96, and two ends of the connecting rod 96 are respectively fixed on the supporting channel steel 91 and the thread plate 94 (or only fixed on the supporting channel steel 91 or the thread plate 94).
By rotating the screw 95, the thread plate 94 moves up and down, which drives the support channel 91 and the entire housing 1 to be adjusted up and down. In actual production, the whole sintering furnace is used by combining a plurality of furnace bodies of the embodiment, therefore, the four corners of each furnace body are provided with the supporting leg assemblies 9, and the furnace bodies can be ensured to be positioned on the same horizontal plane by adjusting the height of the furnace bodies, so that the conveying roller rods in the furnace bodies are positioned on the same plane, and the saggars are conveniently conveyed. Meanwhile, a stick 93 is arranged below the thread plate 94, and both ends of the stick 93 are mounted on the support cover 92, so that the furnace body can be moved to be adjusted to a final position (although the stick 93 is arranged, the furnace body can not be adjusted freely, and one furnace body is heavy, so that the furnace body is not easy to move and needs to be pried by means of a tool, therefore, a positioning or limiting device is not required to be arranged on the stick 93, and the furnace body is placed near the mounting position by a forklift during mounting and then is finely adjusted). The adjusting seat is arranged, so that the functions of short-distance movement of the furnace body and adjustment of the levelness of the furnace body are met while supporting is guaranteed.
In this embodiment, the whole casing 1 is a sealed casing formed by tailor-welding steel plates, and is stabilized by a plurality of reinforcing ribs. A detachable plate is reserved on the top of the oven cavity to form a cover plate 11, and the cover plate 11 is arranged to meet maintenance convenience and can be opened at any time to perform maintenance work in the oven cavity 2.
Besides this embodiment, the water through opening 31 of the U-shaped support plate 3 may not contact with the bottom wall, that is, the water through opening 31 is suspended on the side wall of the U-shaped support plate 3, so long as it is ensured that the water flow does not cross the top of the U-shaped support plate 3, and the water flow can be prevented from contacting with the corrosion-resistant heat-insulating layer.
Besides this embodiment, the bottom wall of the heat sealing box 6 may be inclined as a whole.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. The utility model provides a drainage type furnace body structure, includes shell (1) and furnace chamber (2) by shell (1) enclose, its characterized in that: be equipped with a plurality of U-shaped backup pads (3) on furnace chamber (2) diapire, the opening of U-shaped backup pad (3) is towards furnace chamber (2) diapire, and a plurality of U-shaped backup pad (3) along direction of delivery interval arrangement, perpendicular to direction of delivery is equipped with water service mouth (31) of a plurality of interval arrangements on the lateral wall of U-shaped backup pad (3), shell (1) bottom is equipped with first drainage mouth (5) that can be with the water discharge of furnace chamber (2) diapire, be equipped with one deck corrosion resistant heat preservation on the diapire of furnace chamber (2), U-shaped backup pad (3) are established between corrosion resistant heat preservation and shell (1) to avoid the direct diapire contact with furnace chamber (2) of corrosion resistant heat preservation.
2. The drainage type furnace body structure according to claim 1, wherein: the water through opening (31) is of a groove structure, and a notch of the groove structure is positioned on the bottom wall of the oven cavity (2).
3. The drainage type furnace body structure according to claim 1, wherein: the utility model discloses a furnace chamber, including furnace chamber (2), first drain port (5), through-hole on the through-hole of furnace chamber (2) diapire is located to first drain port (5), be equipped with first drainage joint (51) in the through-hole, a corrugated metal pipe is connected in first drainage joint (51), the through-hole sets up a plurality ofly, first drainage joint (51) correspond and set up a plurality ofly.
4. The drainage type furnace body structure according to any one of claims 1 to 3, wherein: the furnace body structure further comprises four heating sealing boxes (6), wherein the four heating sealing boxes (6) are symmetrically arranged on two sides of the shell (1), the bottom wall part or the whole part of each heating sealing box (6) is obliquely arranged, and the lowest point of the bottom wall is provided with a second water outlet (61).
5. The drainage type furnace body structure according to claim 4, wherein: the heating sealing box (6) is provided with a second air inlet joint (62) for introducing air so that the air pressure in the heating sealing box (6) is higher than the oven cavity (2).
6. The drainage type furnace body structure according to claim 4, wherein: the furnace body structure further comprises two transmission sealing boxes (7), the transmission sealing boxes (7) are located between the two heating sealing boxes (6) on one side, and a third water outlet (71) is formed in the bottom wall of each transmission sealing box (7).
7. The drainage type furnace body structure according to claim 6, wherein: transmission seal box (7) are equipped with and are used for admitting air so that transmission seal box (7) interior atmospheric pressure is higher than third air inlet joint (72) of furnace chamber (2), be equipped with a gas distribution pipe (8) in transmission seal box (7), the length and the transmission seal box (7) length matching of gas distribution pipe (8), there are a plurality of even gas distribution aperture (81) on gas distribution pipe (8) pipe wall, third air inlet joint (72) and gas distribution pipe (8) intercommunication.
8. The drainage type furnace body structure according to any one of claims 1 to 3, wherein: the utility model discloses a support structure, including shell (1), shell (1) bottom is equipped with the regulation seat, adjust the seat including landing leg subassembly (9) of locating the four corners, landing leg subassembly (9) are including supporting channel-section steel (91), supporting cover (92), rod (93), thread plate (94) and screw rod (95), rod (93) are adorned in supporting cover (92), on supporting cover (92) is located in screw rod (95), support channel-section steel (91) one end and shell (1) bottom fixed connection, the other end is fixed on thread plate (94), in thread plate (94) is passed and support channel-section steel (91) is stretched into in screw rod (95), be equipped with on thread plate (94) with screw rod (95) screw-thread fit's screw hole.
9. The drainage type furnace body structure according to claim 8, wherein: the four leg assemblies (9) are connected through connecting rods (96), and two ends of each connecting rod (96) are respectively fixed on the supporting channel steel (91) and/or the threaded plate (94).
10. The drainage type furnace body structure according to any one of claims 1 to 3, wherein: the top of the shell (1) is provided with a cover plate (11).
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| CN201810594880.8A CN108844364B (en) | 2018-06-11 | 2018-06-11 | Drainage type furnace body structure |
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| CN201810594880.8A CN108844364B (en) | 2018-06-11 | 2018-06-11 | Drainage type furnace body structure |
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| CN108844364B true CN108844364B (en) | 2020-06-26 |
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| CN1676740A (en) * | 2005-04-19 | 2005-10-05 | 西南交通大学 | Domestic microwave clothes drying machine |
| JP5446653B2 (en) * | 2009-09-18 | 2014-03-19 | パナソニック株式会社 | Heat treatment equipment |
| CN203771491U (en) * | 2013-12-16 | 2014-08-13 | 美的集团股份有限公司 | Water drainage device for microwave oven and microwave oven |
| CN205351711U (en) * | 2016-01-15 | 2016-06-29 | 青岛海信电子设备股份有限公司 | On -vehicle idle call water collector |
| CN106403587B (en) * | 2016-09-13 | 2018-08-14 | 中国电子科技集团公司第四十八研究所 | A kind of hermetically sealed roller furnace |
| CN108020082A (en) * | 2017-11-15 | 2018-05-11 | 中国电子科技集团公司第四十八研究所 | A kind of furnace structure of agglomerating plant |
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Effective date of registration: 20201210 Address after: 410000, 1 / F, microelectronic equipment center building, 1025 xinkaipu Road, Tianxin District, Changsha City, Hunan Province Patentee after: Hunan ShuoKe thermal Intelligent Equipment Co.,Ltd. Address before: 410111, No. 1025, paving road, Tianxin District, Hunan, Changsha Patentee before: FORTY-EIGHTH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY Group Corp. |
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