CN109612272B - High-temperature silicon-molybdenum rod smelting furnace based on waste heat clean heating technology - Google Patents

High-temperature silicon-molybdenum rod smelting furnace based on waste heat clean heating technology Download PDF

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Publication number
CN109612272B
CN109612272B CN201811471612.3A CN201811471612A CN109612272B CN 109612272 B CN109612272 B CN 109612272B CN 201811471612 A CN201811471612 A CN 201811471612A CN 109612272 B CN109612272 B CN 109612272B
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China
Prior art keywords
heating
heat exchange
furnace body
net
inner cavity
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CN201811471612.3A
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CN109612272A (en
Inventor
单林祥
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SHANDONG MAIKE TUNGSTEN MOLYBDENUM TECHNOLOGY
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Shandong Maike Tungsten Molybdenum Technology
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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
    • F27B14/00—Crucible or pot furnaces
    • 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
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • 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
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/14—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • 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
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B2014/0837—Cooling arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/13—Smelting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention discloses a high-temperature silicon-molybdenum rod smelting furnace based on a waste heat clean heating technology, which comprises a furnace body and a heating cylinder, wherein a partition plate is arranged in the middle of the top wall of an inner cavity of the furnace body; the inner cavity of the air inlet cylinder is sequentially provided with a protective net, a dust filtering net, an active carbon layer and an air suction fan from left to right; the heat exchange tubes exchange heat with the inner cavity of the furnace body, so that the inner cavity of the furnace body is cooled, the processing speed of the furnace body is improved, and the heat exchange cavity is heated; and utilize the heat exchange chamber to realize carrying out the heat exchange with heating cylinder inner chamber air, the heating air provides the heat for mill's heating to realize the reutilization that the furnace body inner chamber preheats, improve energy utilization and rate, reduce energy consumption.

Description

High-temperature silicon-molybdenum rod smelting furnace based on waste heat clean heating technology
Technical Field
The invention relates to the technical field of smelting furnaces, in particular to a high-temperature silicon-molybdenum rod smelting furnace based on a waste heat clean heating technology.
Background
Furnaces are well known for melting metals to very high temperatures, and silicon molybdenum rods require high temperatures, but many furnaces cool naturally after melting the product or blow internal hot gases away with a blower. The natural cooling mode has the advantages of longer time consumption, longer processing period, low production efficiency and higher production cost; and utilize the mode of air-blower to blow away steam, a large amount of heat of direct discharge not only causes thermal pollution, improves the temperature in the workshop, is unfavorable for workman's work, and steam wraps up in a large amount of dust of holding, can cause air pollution.
Because the workshop is bigger, when the operation in winter, provide heating installation and to energy resource consumption very big for the running cost of mill rises by a wide margin.
Disclosure of Invention
The invention aims to provide a high-temperature silicon-molybdenum rod smelting furnace based on a waste heat clean heating technology, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high temperature silicon molybdenum rod smelting pot based on clean heating technology of waste heat, includes furnace body and cartridge heater, and the inner chamber roof middle part of furnace body is equipped with the baffle, is equipped with hot exchange pipe in the baffle, is equipped with the heat exchange chamber in the lateral wall of cartridge heater, and the both ends of hot exchange pipe are connected with the heat exchange chamber through link respectively, and the entrance point of hot exchange pipe is equipped with the circulating pump, and the left side end through link of cartridge heater admits air a section of thick bamboo, and the right side end.
Furthermore, the side is open pipe structure about the section of thick bamboo admits air, and the inner chamber of admitting air section of thick bamboo is equipped with protection network, dust filter net, activated carbon layer and suction fan from left to right in proper order, and the suction fan passes through connecting rod fixed connection on the inner chamber wall of the section of thick bamboo that admits air.
Furthermore, an exhaust pump is arranged on the exhaust pipe, and the other end of the exhaust pipe is communicated with a factory heating system.
Furthermore, a first heating net, a second heating net and a third heating net which are respectively matched with the heat exchange cavity are sequentially arranged in the inner cavity of the heating cylinder from left to right, the net aperture of the first heating net is smaller than that of the second heating net, and the net aperture of the second heating net is smaller than that of the third heating net.
Furthermore, one side of the top end of the heat exchange cavity is communicated with a water adding pipe, and a sealing cover is sleeved at the top end of the water adding pipe.
Furthermore, the bottom end of one side end of the heat exchange cavity is communicated with a drain pipe, and a control valve is arranged on the drain pipe.
Further, the heat exchange tubes are serpentine tubes.
Further, the heating cylinder is of a rectangular parallelepiped structure.
Further, the heat exchange chamber is an annular chamber.
Compared with the prior art, the invention realizes the heat exchange between the heat exchange tubes and the inner cavity of the furnace body, thereby realizing the cooling of the inner cavity of the furnace body, improving the processing speed of the furnace body and simultaneously realizing the heating of the heat exchange cavity; and utilize the heat exchange chamber to realize carrying out the heat exchange with heating cylinder inner chamber air, the heating air provides the heat for mill's heating to realize the reutilization that the furnace body inner chamber preheats, improve energy utilization and rate, reduce energy consumption.
Drawings
FIG. 1 is a schematic structural diagram of a high-temperature Si-Mo rod furnace based on a clean waste heat heating technology according to the present invention;
FIG. 2 is a schematic structural diagram of a partition plate of a high-temperature Si-Mo rod furnace based on a clean waste heat heating technology according to the present invention;
fig. 3 is a schematic structural diagram of an air inlet cylinder of the high-temperature silicon-molybdenum rod melting furnace based on the waste heat clean heating technology.
In the figure: 1-furnace body, 2-partition plate, 3-heat exchange tube, 4-heating cylinder, 5-heat exchange cavity, 6-water feeding tube, 7-sealing cover, 8-water discharging tube, 9-control valve, 10-circulating pump, 11-air inlet cylinder, 12-protective net, 13-dust filtering net, 14-activated carbon layer, 15-connecting rod, 16-air suction fan, 17-first heating net, 18-second heating net, 19-third heating net, 20-air discharging tube and 21-air discharging pump.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1 to 3, a high-temperature silicon-molybdenum rod melting furnace based on a waste heat clean heating technology comprises a furnace body 1 and a heating cylinder 4, wherein a partition plate 2 is arranged in the middle of the top wall of an inner cavity of the furnace body 1, heat exchange tubes 3 are arranged in the partition plate 2, the heat exchange tubes 3 are coiled tubes, the heating cylinder 4 is of a cuboid structure, a heat exchange cavity 5 is arranged in the side wall of the heating cylinder 4, the heat exchange cavity 5 is an annular cavity, two ends of the heat exchange tubes 3 are respectively communicated with the heat exchange cavity 5, an inlet end of the heat exchange tubes 3 is provided with a circulating pump 10, a left end of the heating cylinder 4 is communicated with an air inlet cylinder 11, a right end of the heating cylinder 4 is communicated with an exhaust pipe 20, after metal is melted in the inner cavity of the furnace body 1, in the cooling process, the circulating pump 10 is started, take away the heat in the furnace body 1, improve the inner chamber cooling rate of furnace body 1 simultaneously, in the hot water backward flow heat exchange chamber 5 in the hot exchange pipe 3, heat the air in the cartridge heater 4 through heat exchange chamber 5, improve the air temperature, high-temperature gas passes through blast pipe 20 and gets into the heating system of mill, and supplementary mill heats, reduces energy consumption to realize the thermal reutilization in the furnace body 1, improve resource utilization.
Example 2
The embodiment is further elaborated on the basis of embodiment 1, the side is open pipe structure about the section of thick bamboo 11, and the inner chamber of section of thick bamboo 11 is equipped with protection network 12, dust filtration net 13, activated carbon layer 14 and suction fan 16 from left to right in proper order, suction fan 16 passes through connecting rod 15 fixed connection on the inner chamber wall of section of thick bamboo 11, draws outside air entering section of thick bamboo 11 in through suction fan 16, through dust filtration net 13 and activated carbon layer 14's combined action, carries out filtration to the air, improves the air quality, and the air admission heating cylinder 4's after the filtration inner chamber heats, improves air temperature.
The exhaust pipe 20 is provided with an exhaust pump 21, high-temperature air in the heating cylinder 4 is drawn by the exhaust pump 21 to enter the exhaust pipe 20, the other end of the exhaust pipe 20 is connected with a factory heating system in a penetrating manner, and the high-temperature air enters the factory heating system to assist in heating of a factory and reduce energy consumption.
The inner chamber of cartridge heater 4 is equipped with in proper order from left to right respectively with 5 matched with first heating network 17 of heat exchange chamber, second heating network 18 and third heating network 19, the net aperture of first heating network 17 is less than the net aperture of second heating network 18, the net aperture of second heating network 18 is less than the net aperture of third heating network 19, and the heat in the heat exchange chamber 5 can directly heat the air through first heating network 17, second heating network 18 and third heating network 19, improves the heating effect to the air, guarantees heating quality.
Example 3
In this embodiment, based on embodiment 1, one side of the top end of the heat exchange cavity 5 is connected to a water feeding pipe 6 in a penetrating manner, a sealing cover 7 is sleeved on the top end of the water feeding pipe 6, and water in the heat exchange cavity 5 is supplemented through the water feeding pipe 6.
One side end bottom link up and connect drain pipe 8 of heat exchange chamber 5, be equipped with control valve 9 on the drain pipe 8, the water accessible drain pipe 8 in the heat exchange chamber 5 discharges to realize regularly changing the water in the heat exchange chamber 5, and in the time of heating cylinder 4 does not use, can arrange the water in the heat exchange chamber 5, improve equipment's life completely.
According to the working principle of the embodiment 1-3, after metal is melted in the inner cavity of the furnace body 1, in the cooling process, the circulating pump 10 is started, so that water in the heat exchange cavity 5 enters the heat exchange tube 3 to exchange heat with the inner cavity of the furnace body 1, heat in the furnace body 1 is taken away, and meanwhile, the cooling speed of the inner cavity of the furnace body 1 is increased; in hot water backward flow heat exchange chamber 5 in the hot exchange pipe 3, heat the air in cartridge heater 4 through heat exchange chamber 5, improve air temperature, high-temperature gas passes through blast pipe 20 and gets into the heating system of mill, and supplementary mill's heating reduces the energy resource consumption to realize the thermal reutilization in furnace body 1, improve resource utilization.
The innovation point of the invention is that the heat exchange tube 3 exchanges heat with the inner cavity of the furnace body 1, so that the inner cavity of the furnace body 1 is cooled, the processing speed of the furnace body 1 is improved, and the heat exchange cavity 5 is heated; and the heat exchange cavity 5 is utilized to realize the heat exchange with the air in the inner cavity of the heating cylinder 4, and the heated air provides heat for the heating of a factory, so that the secondary utilization of the preheating of the inner cavity of the furnace body 1 is realized, the energy utilization rate is improved, and the energy consumption is reduced.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (1)

1. A high-temperature silicon-molybdenum rod smelting furnace based on a waste heat clean heating technology comprises a furnace body (1) and a heating cylinder (4), wherein a partition plate (2) is arranged in the middle of the top wall of an inner cavity of the furnace body (1), and is characterized in that heat exchange tubes (3) are arranged in the partition plate (2), a heat exchange cavity (5) is arranged in the side wall of the heating cylinder (4), two ends of each heat exchange tube (3) are respectively communicated with the heat exchange cavity (5), a circulating pump (10) is arranged at the inlet end of each heat exchange tube (3), the left end of the heating cylinder (4) is communicated with an air inlet cylinder (11), the right end of the heating cylinder (4) is communicated with an exhaust pipe (20), a first heating net (17), a second heating net (18) and a third heating net (19) which are respectively matched with the heat exchange cavity (5) are sequentially arranged from left to right in the inner cavity of the heating cylinder (4), and the net aperture of the, the mesh diameter of the second heating net (18) is smaller than that of the third heating net (19), the left side end and the right side end of the air inlet cylinder (11) are both of an open circular tube structure, a protective net (12), a dust filtering net (13), an activated carbon layer (14) and an air suction fan (16) are sequentially arranged in the inner cavity of the air inlet cylinder (11) from left to right, the air suction fan (16) is fixedly connected to the inner cavity wall of the air inlet cylinder (11) through a connecting rod (15), an exhaust pump (21) is arranged on an exhaust pipe (20), the other end of the exhaust pipe (20) is communicated with a factory heating system, one side of the top end of a heat exchange cavity (5) is communicated with a water feeding pipe (6), a sealing cover (7) is sleeved on the top end of the water feeding pipe (6), the bottom end of one side end of the heat exchange cavity (5) is communicated with a water discharging pipe (8), a control valve (9) is arranged, the heat exchange chamber (5) is an annular chamber.
CN201811471612.3A 2018-12-04 2018-12-04 High-temperature silicon-molybdenum rod smelting furnace based on waste heat clean heating technology Active CN109612272B (en)

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Effective date of registration: 20200915

Address after: Guo Li Zhen Yi He Lu Dong Shou, Huantai County, Zibo City, Shandong Province

Applicant after: SHANDONG MAIKE TUNGSTEN MOLYBDENUM TECHNOLOGY

Address before: 315700 No. 135 Wanxiang Road, Dandong Street, Ningbo City, Zhejiang Province

Applicant before: Shan Linxiang

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Denomination of invention: A high temperature silicon molybdenum rod furnace based on waste heat clean heating technology

Effective date of registration: 20201126

Granted publication date: 20201016

Pledgee: Huantai County Branch of China Postal Savings Bank Co.,Ltd.

Pledgor: SHANDONG MAIKE TUNGSTEN MOLYBDENUM TECHNOLOGY

Registration number: Y2020980008508