CN111219713A - Preheating type rotary smelting furnace - Google Patents

Preheating type rotary smelting furnace Download PDF

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Publication number
CN111219713A
CN111219713A CN202010017010.1A CN202010017010A CN111219713A CN 111219713 A CN111219713 A CN 111219713A CN 202010017010 A CN202010017010 A CN 202010017010A CN 111219713 A CN111219713 A CN 111219713A
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CN
China
Prior art keywords
furnace body
main
pressure relief
heat accumulator
gas pipe
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010017010.1A
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Chinese (zh)
Inventor
贺毅林
曹成兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongde Environmental Protection Technology Co ltd
Original Assignee
Zhongde Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongde Environmental Protection Technology Co ltd filed Critical Zhongde Environmental Protection Technology Co ltd
Priority to CN202010017010.1A priority Critical patent/CN111219713A/en
Publication of CN111219713A publication Critical patent/CN111219713A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Furnace Details (AREA)

Abstract

The invention discloses a preheating type rotary smelting furnace, which comprises a main furnace body, an auxiliary furnace body, a support frame, a driving device, a heat energy recovery device and a burner, wherein the main furnace body and the auxiliary furnace body are obliquely arranged, the main furnace body and the auxiliary furnace body are arranged on the support frame, the burner is arranged at the lower end of the main furnace body, the burner comprises a main body, a heat accumulator, a central gas pipe, a lateral gas pipe and an air inlet chamber, a mixing chamber is arranged in the main body, a first gas nozzle and a second gas nozzle are arranged at the lateral part of the main body, the heat accumulator is arranged in the main body, the central gas pipe sequentially penetrates through the air inlet chamber, the heat accumulator and the mixing chamber and then is inserted, the lateral gas pipe comprises a spray ring and at least two axial pipes, the at least two axial pipes sequentially penetrate through the air inlet chamber and the heat accumulator and then are inserted into the mixing chamber, the spraying ring is positioned in the mixing chamber and surrounds the central gas pipe, and a plurality of spraying holes for uniformly spraying the gas are formed in the spraying ring. Compared with the prior art, the invention can effectively improve the heat efficiency.

Description

Preheating type rotary smelting furnace
Technical Field
The invention relates to a smelting furnace, in particular to a preheating type rotary smelting furnace.
Background
In modern industrial production, a large amount of industrial waste is generally generated, and the existing industrial waste is generally treated by incineration, so that an incineration rotary furnace is very important. The existing incineration rotary furnace has some defects in the use process, for example, the working efficiency is low when the rotary furnace is used, the working progress is seriously influenced, and the waste heat of the flue gas after incineration is directly discharged, so that the heat waste is caused.
Disclosure of Invention
The invention aims to provide a preheating type rotary smelting furnace, which can effectively improve the heat utilization efficiency.
The technical purpose of the invention is realized by the following technical scheme:
a preheating type rotary smelting furnace comprises a main furnace body, an auxiliary furnace body, a support frame, a driving device, a heat energy recovery device and a burner, wherein the main furnace body and the auxiliary furnace body are obliquely arranged, the lower end of the auxiliary furnace body is rotatably connected with the higher end of the main furnace body, a feed opening is formed in the auxiliary furnace body, a sealing door is arranged on the feed opening, a spiral plate for propelling feeding is arranged inside the auxiliary furnace body, the main furnace body and the auxiliary furnace body are arranged on the support frame, the burner is arranged at the lower end of the main furnace body, the burner comprises a main body, a heat accumulator, a central gas pipe, a lateral gas pipe and an air inlet chamber, a mixing chamber is arranged inside the main body, a first air nozzle and a second air nozzle are arranged on the lateral part, the heat accumulator is arranged inside the main body, the air inlet chamber is arranged on one side of the heat accumulator, and the mixing chamber is arranged on the other, the mixing chamber with one side that the heat accumulator is relative sets up first air jet with the second air jet, central gas pipe passes in proper order insert behind air inlet chamber, heat accumulator and the mixing chamber in the first air jet, side direction gas pipe is including spouting ring sum two piece at least axial pipes, two piece at least axial pipes pass in proper order the air inlet chamber with insert behind the heat accumulator in the mixing chamber, and encircle central gas pipe, and all with spout the ring and connect, it is located to spout the ring just encircle in the mixing chamber central gas pipe, it is equipped with a plurality of orifices that evenly spout cloth to spout on the ring to spout, heat recovery unit connects the main furnace body with the main part, the drive arrangement drive the main furnace body with the auxiliary furnace body rotates.
In a further improvement, the portion of the central gas pipe passing through the heat accumulator is arranged in a spiral shape.
In a further improvement, the jet holes are distributed on the inner side of the jet ring and on the side close to the second jet port.
In a further improvement, the heat accumulator is a honeycomb ceramic heat accumulator.
In a further improvement, the support frame comprises at least two first carrier rollers and a second carrier roller, a first rolling ring which is in one-to-one correspondence with the first carrier rollers is arranged on the main furnace body, the first rolling ring is arranged on the first carrier rollers in one-to-one correspondence, a second rolling ring which is in one-to-one correspondence with the second carrier rollers is arranged on the auxiliary furnace body, the second rolling rings are arranged on the second carrier rollers in one-to-one correspondence, the driving device comprises a first motor and a second motor, the first motor drives the first carrier rollers to rotate, and the second motor drives the second carrier rollers to rotate.
In a further improvement, the heat energy recovery device comprises a smoke exhaust fan, and the smoke exhaust fan is connected with the main furnace body and the main body.
In a further improvement, the sealing door is connected with the feeding port by a bolt.
In a further improvement, a pressure relief device is arranged on the auxiliary furnace body and comprises a pressure relief chamber, a spring and a sealing cover, the pressure relief chamber is arranged on the side wall of the auxiliary furnace body, the side part of the pressure relief chamber is communicated with the auxiliary furnace body, the spring is vertically arranged in the pressure relief chamber, the lower end of the spring is fixedly connected with the bottom of the pressure relief chamber, the upper end of the spring is fixedly connected with the sealing cover, and the sealing cover is arranged on the pressure relief chamber.
In a further improvement, a plurality of pressure relief holes are formed in the side wall of the auxiliary furnace body and are connected with the pressure relief chamber and the inside of the auxiliary furnace body.
The improved spring fixing device is further improved by comprising a fixing bolt and a connecting plate, wherein a through hole is formed in the sealing cover, a fixing screw hole is formed in the connecting plate, the connecting plate is fixedly connected with the upper end of the spring, and the fixing bolt penetrates through the through hole from top to bottom and then is matched with the fixing screw hole.
Compared with the prior art, the invention provides a preheating type rotary smelting furnace which is provided with a main furnace body and an auxiliary furnace body, when in work, materials are firstly put into the auxiliary furnace body, and high-temperature hot gas generated in the main furnace body preheats the materials in the auxiliary furnace body, so that the heat loss is reduced, and the heat efficiency is effectively improved; be equipped with the heat accumulator in the nozzle, cold air is heated when the heat accumulator, effectively promotes the thermal efficiency in the structure of nozzle, still be provided with central gas pipe and side direction gas pipe, the side direction gas pipe includes the axial pipe and spouts the ring, and the gas via side direction gas pipe spouts from spouting the ring, with the air intensive mixing in the mixing chamber, can reach good mixed effect, then spout through the second fumarole, realizes good combustion efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a preheating type rotary smelting furnace according to the present invention.
FIG. 2 is a schematic structural diagram of a burner of a preheating type rotary smelting furnace.
Fig. 3 is a first view structural schematic diagram of a lateral gas pipe of a preheating rotary smelting furnace according to the present invention.
Fig. 4 is a structural schematic diagram of a second view angle of a lateral gas pipe of the preheating type rotary smelting furnace according to the present invention.
Fig. 5 is a schematic structural diagram of a pressure relief device of a preheating type rotary smelting furnace according to the present invention.
In the drawings
A main furnace body-1; a first rolling ring-11; a sub-furnace body-2; a second rolling ring-21; a burner-3; a body-31; a mixing chamber-311; a first air port-312; a second gas injection port-313; a thermal mass-32; a central gas pipe-33; spray ring-34; spray holes-341; an axial tube-35; an air inlet chamber-4; a first carrier roller-51; a second carrier roller-52; a pressure relief chamber-61; a pressure relief hole-611; a spring-62; a sealing cover-63; through hole-631; fixing bolt-64; -a web-65; and fixing the screw hole-651.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
As shown in fig. 1 to 5, a preheating type rotary smelting furnace comprises a main furnace body 1, an auxiliary furnace body 2, a support frame, a driving device, a heat energy recovery device and a burner 3, wherein the main furnace body 1 and the auxiliary furnace body 2 are both obliquely arranged, the lower end of the auxiliary furnace body 2 is rotatably connected with the higher end of the main furnace body 1, a feed opening is formed in the auxiliary furnace body 2, a sealing door is arranged on the feed opening and connected with the feed opening by using a bolt, a spiral plate used for propelling the feed is arranged in the auxiliary furnace body 2, the main furnace body 1 and the auxiliary furnace body 2 are arranged on the support frame, and the burner 3 is arranged at the lower end of the main furnace body 1.
Under the above structure, the burner 3 heats the main furnace body 1, hot air generated in the main furnace body 1 enters the auxiliary furnace body 2, materials in the auxiliary furnace body 2 are preheated, and efficient utilization of heat energy is realized, and the interiors of the main furnace body 1 and the auxiliary furnace body 2 are in a relatively sealed state, so that efficient smelting of the materials is realized.
When feeding is carried out, the heat energy recovery device is lifted to pump out gas in the furnace, so that the pressure in the furnace is reduced, then the sealing door is opened, feeding is carried out to the sealing door, so that materials are fed into the auxiliary furnace body 2, after the feeding is completed, the sealing door is sealed, the materials in the auxiliary furnace body 2 are preheated by using the heat in the main furnace body 1, when the materials are required to be fed into the main furnace body 1, the auxiliary furnace body 2 is rotated, and the materials enter the main furnace body 1 from the auxiliary furnace body 2 under the action of the spiral plate.
Specifically, the burner 3 comprises a main body 31, a heat accumulator 32, a central gas pipe 33, lateral gas pipes and an air inlet chamber 4, wherein a mixing chamber 311 is arranged in the main body 31, a first air jet port 312 and a second air jet port 313 are arranged on the side of the main body 31, the heat accumulator 32 is arranged in the main body 31, the air inlet chamber 4 is arranged on one side of the heat accumulator 32, the mixing chamber 311 is arranged on the other side of the heat accumulator 32, the heat accumulator 32 is preferably a honeycomb ceramic heat accumulator 32, the first air jet port 312 and the second air jet port 313 are arranged on the side of the mixing chamber 311 opposite to the heat accumulator 32, the central gas pipe 33 sequentially passes through the air inlet chamber 4, the heat accumulator 32 and the mixing chamber 311 and then is inserted into the first air jet port 312, the lateral gas pipes comprise a jet ring 34 and at least two axial pipes 35, the at least two axial pipes 35 sequentially pass through the air inlet chamber 4 and the heat accumulator 32 and then are inserted into the mixing chamber 311, and surrounds central gas pipe 33, and all with spout ring 34 is connected, spout ring 34 and be located in mixing chamber 311 and surround central gas pipe 33, spout and be equipped with a plurality of orifices 341 that evenly spout cloth on the ring 34, heat recovery unit connects main furnace body 1 with main part 31, drive arrangement drive main furnace body 1 with vice furnace body 2 rotates.
The central gas pipe 33 with the side direction gas pipe all is used for carrying the gas, by the gas that the central gas pipe 33 was carried directly to main furnace body 1 in, carries out the diffusion combustion in spouting the oxygen gas and spouts, by the gas that the side direction gas pipe was carried to mixing chamber 311 in, mixes with the air, forms oxygen-enriched combustible gas, via second gas nozzle 313 gets into and burns in the main furnace body 1.
In the above process, the heat accumulator 32 performs heat accumulation by using the heat recovery function of the heat recovery device, so that the cold air entering the interior of the air inlet chamber 4 is heated and then enters the mixing chamber 311 to be mixed with the gas ejected from the lateral gas pipes, and meanwhile, the gas in the central gas pipe 33 and the radial gas pipes is also heated in the heat accumulator 32, so that the gas is closer to the ignition point, and is easier to ignite, which is beneficial to improving the utilization efficiency of the gas.
The gas in the lateral gas pipe is sprayed out through the spray holes 341 formed in the spray ring 34, and the sprayed gas can be rapidly mixed with air due to the large spraying area of the spray ring 34, so that an excellent mixing effect is achieved, the gas can be more sufficiently combusted, and the combustion efficiency is effectively improved. In the structural arrangement of the nozzle ring 34, the second gas injection ports 313 are preferably provided in plurality, and a plurality of the second gas injection ports 313 surround the first gas injection ports 312.
In order to enable the mixed gas to enter the main furnace body 1 in a jet shape, the nozzle holes 341 are distributed on the inner side of the nozzle ring 34 and on the side close to the second gas nozzle 313. Therefore, the gas can be sprayed out without reducing the speed of the air flow, and the good effect of mixing with the air can be kept.
The portion of the central gas pipe 33 that passes through the heat accumulator 32 is provided in a spiral shape.
The support frame comprises at least two first carrier rollers 51 and a second carrier roller 52, a first rolling ring 11 in one-to-one correspondence with the first carrier rollers 51 is arranged on the main furnace body 1, the first rolling ring 11 is arranged on the first carrier rollers 51 in one-to-one correspondence, a second rolling ring 21 in one-to-one correspondence with the second carrier rollers 52 is arranged on the auxiliary furnace body 2, the second rolling ring 21 is arranged on the second carrier rollers 52 in one-to-one correspondence, the driving device comprises a first motor and a second motor, the first motor drives the first carrier rollers 51 to rotate, and the second motor drives the second carrier rollers 52 to rotate. In this embodiment, the number of the first carrier roller 51, the second carrier roller 52, the first rolling ring 11 and the second rolling ring 21 is two, the main furnace body 1 is driven by the first motor to rotate, and the auxiliary furnace body 2 is driven by the second motor to rotate.
Specifically, the heat energy recovery device comprises a smoke exhaust fan, and the smoke exhaust fan is connected with the main furnace body 1 and the main body 31. By using the smoke exhaust fan, part of high-temperature gas generated in the main furnace body 1 enters the heat accumulator 32, so that the heat accumulator 32 performs normal heat accumulation work, and the recycling of heat energy is realized.
In order to effectively ensure safety, a pressure relief device is arranged on the auxiliary furnace body 2 and comprises a pressure relief chamber 61, a spring 62 and a sealing cover 63, the pressure relief chamber 61 is arranged on the side wall of the auxiliary furnace body 2, the side part of the pressure relief chamber is communicated with the auxiliary furnace body 2, the spring 62 is vertically arranged in the pressure relief chamber 61, the lower end of the spring is fixedly connected with the bottom of the pressure relief chamber 61, the upper end of the spring is fixedly connected with the sealing cover 63, and the sealing cover 63 of the sealing cover 63 is arranged on the pressure relief chamber 61. Under normal conditions, under the pulling action of the spring 62, the sealing cover 63 of the sealing cover 63 is arranged on the pressure relief chamber 61, when the pressure in the furnace is too high and exceeds the pulling force of the spring 62, the spring 62 is stretched, the sealing cover 63 is jacked up by the air pressure, the gas is overflowed, the pressure in the furnace is reduced, and therefore production safety is effectively guaranteed.
Specifically, a plurality of pressure relief holes 611 are formed in the side wall of the auxiliary furnace body 2, and the pressure relief holes 611 connect the pressure relief chamber 61 and the inside of the auxiliary furnace body 2, so that the inside of the auxiliary furnace body 2 is communicated with the pressure relief chamber 61.
In order to realize the arrangement and maintenance of the inside of the pressure relief chamber 61, the preheating type rotary smelting furnace of the embodiment further comprises a fixing bolt 64 and a connecting plate 65, the sealing cover 63 is provided with a through hole 631, the connecting plate 65 is provided with a fixing screw hole 651, the connecting plate 65 is fixedly connected with the upper end of the spring 62, and the fixing bolt 64 penetrates through the through hole 631 from top to bottom and then is matched with the fixing screw hole 651. Under the above structure, in normal operation, the sealing cover 63 is fixedly connected to the spring 62 by using the connecting plate 65 and the fixing bolt 64, and when the inside of the pressure relief chamber 61 needs to be cleared up or maintained, the fixing bolt 64 is unscrewed to separate the sealing cover 63 from the connecting plate 65, so that the sealing cover 63 can be removed to expose the internal space of the pressure relief chamber 61, and the clearing up and maintenance of the inside of the pressure relief chamber 61 can be realized.
The foregoing description of the embodiments is provided to facilitate an understanding and use of the invention and it will be apparent to those skilled in the art that various modifications to the embodiments and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims (10)

1. A preheating type rotary smelting furnace is characterized by comprising a main furnace body, an auxiliary furnace body, a support frame, a driving device, a heat energy recovery device and a burner, wherein the main furnace body and the auxiliary furnace body are obliquely arranged, the lower end of the auxiliary furnace body is rotatably connected with the higher end of the main furnace body, a feed opening is formed in the auxiliary furnace body, a sealing door is arranged on the feed opening, a spiral plate for propelling the feed is arranged in the auxiliary furnace body, the main furnace body and the auxiliary furnace body are arranged on the support frame, the burner is arranged at the lower end of the main furnace body, the burner comprises a main body, a heat accumulator, a central gas pipe, a lateral gas pipe and an air inlet chamber, a mixing chamber is arranged in the main body, a first air nozzle and a second air nozzle are arranged on the side of the main body, the heat accumulator is arranged in the main body, and the air inlet chamber is arranged on one side of the heat accumulator, the opposite side sets up the mixing chamber, the mixing chamber with one side that the heat accumulator is relative sets up first air jet with the second air jet, central gas pipe passes in proper order insert behind air inlet chamber, heat accumulator and the mixing chamber in the first air jet, side direction gas pipe is including spouting ring sum two piece at least axial pipes, two piece at least axial pipes pass in proper order the air inlet chamber with insert behind the heat accumulator in the mixing chamber, and encircle central gas pipe, and all with spout the ring and connect, it is located to spout the ring in the mixing chamber and encircle central gas pipe, it is equipped with a plurality of orifices that evenly spout cloth to spout to encircle, heat recovery unit connects the main furnace body with the main part, drive arrangement drives the main furnace body with the auxiliary furnace body rotates.
2. The preheating-type rotary smelting furnace according to claim 1, wherein a portion of the central gas pipe that passes through the heat accumulator is provided in a spiral shape.
3. The preheating-type rotary smelting furnace according to claim 1, wherein the nozzle holes are distributed on an inner side of the nozzle ring and a side near the second nozzle hole.
4. The preheating-type rotary smelting furnace according to claim 1, wherein the heat accumulator is provided as a honeycomb ceramic heat accumulator.
5. The preheating-type rotary smelting furnace according to claim 1, wherein the supporting frame includes at least two first idlers and second idlers, first rolling rings are provided on the main furnace body in one-to-one correspondence with the first idlers, the first rolling rings are disposed on the first idlers in one-to-one correspondence, second rolling rings are provided on the sub-furnace body in one-to-one correspondence with the second idlers, the second rolling rings are disposed on the second idlers in one-to-one correspondence, the driving device includes a first motor and a second motor, the first motor drives the first idlers to rotate, and the second motor drives the second idlers to rotate.
6. A preheating-type rotary smelting furnace according to claim 1, characterized in that the heat energy recovery means comprises a smoke exhaust fan, which connects the main furnace body and the main body.
7. The preheating-type rotary smelting furnace according to claim 1, wherein the sealing door is connected to the charging port by bolts.
8. The preheating-type rotary smelting furnace according to any one of claims 1 to 7, wherein a pressure relief device is provided on the sub-furnace body, the pressure relief device comprises a pressure relief chamber, a spring and a sealing cover, the pressure relief chamber is provided on a side wall of the sub-furnace body, a side portion of the pressure relief chamber is communicated with the sub-furnace body, the spring is vertically provided in the pressure relief chamber, a lower end of the spring is fixedly connected with a bottom of the pressure relief chamber, an upper end of the spring is fixedly connected with the sealing cover, and the sealing cover is provided on the pressure relief chamber.
9. The preheating-type rotary smelting furnace according to claim 8, wherein a plurality of pressure relief holes are provided in a side wall of the sub-furnace body, and the pressure relief holes connect the pressure relief chamber and the inside of the sub-furnace body.
10. The preheating-type rotary smelting furnace of claim 1, further comprising a fixing bolt and a connecting plate, wherein the sealing cover is provided with a through hole, the connecting plate is provided with a fixing screw hole, the connecting plate is fixedly connected with the upper end of the spring, and the fixing bolt is matched with the fixing screw hole after penetrating through the through hole from top to bottom.
CN202010017010.1A 2020-01-08 2020-01-08 Preheating type rotary smelting furnace Pending CN111219713A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010017010.1A CN111219713A (en) 2020-01-08 2020-01-08 Preheating type rotary smelting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010017010.1A CN111219713A (en) 2020-01-08 2020-01-08 Preheating type rotary smelting furnace

Publications (1)

Publication Number Publication Date
CN111219713A true CN111219713A (en) 2020-06-02

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Application Number Title Priority Date Filing Date
CN202010017010.1A Pending CN111219713A (en) 2020-01-08 2020-01-08 Preheating type rotary smelting furnace

Country Status (1)

Country Link
CN (1) CN111219713A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1066951A (en) * 1996-08-28 1998-03-10 Keihanna Kankyo Kk Method for carbonizing organic waste and device therefor
JPH10185179A (en) * 1996-12-25 1998-07-14 Tokyo Gas Co Ltd Rotary type deodorizing apparatus
CN101457935A (en) * 2008-10-13 2009-06-17 沈福昌 Processing equipment for low heat value wastes and processing method
CN102840587A (en) * 2012-09-03 2012-12-26 林秀梅 Compound method and system for directly recovering heat inside and outside rotary kiln
CN204042912U (en) * 2014-09-26 2014-12-24 成都中环资(集团)有限公司 A kind of cement rotary kiln device of efficient process house refuse
CN106766891A (en) * 2017-01-06 2017-05-31 黄石市福星铝业有限公司 A kind of aluminium melting furnace burning and EGR

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1066951A (en) * 1996-08-28 1998-03-10 Keihanna Kankyo Kk Method for carbonizing organic waste and device therefor
JPH10185179A (en) * 1996-12-25 1998-07-14 Tokyo Gas Co Ltd Rotary type deodorizing apparatus
CN101457935A (en) * 2008-10-13 2009-06-17 沈福昌 Processing equipment for low heat value wastes and processing method
CN102840587A (en) * 2012-09-03 2012-12-26 林秀梅 Compound method and system for directly recovering heat inside and outside rotary kiln
CN204042912U (en) * 2014-09-26 2014-12-24 成都中环资(集团)有限公司 A kind of cement rotary kiln device of efficient process house refuse
CN106766891A (en) * 2017-01-06 2017-05-31 黄石市福星铝业有限公司 A kind of aluminium melting furnace burning and EGR

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