CN210268180U - Dynamic natural gas calcining furnace - Google Patents

Dynamic natural gas calcining furnace Download PDF

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Publication number
CN210268180U
CN210268180U CN201920559260.0U CN201920559260U CN210268180U CN 210268180 U CN210268180 U CN 210268180U CN 201920559260 U CN201920559260 U CN 201920559260U CN 210268180 U CN210268180 U CN 210268180U
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China
Prior art keywords
furnace body
furnace
natural gas
dynamic
calciner
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CN201920559260.0U
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Chinese (zh)
Inventor
崔永福
郭幸
郭燕平
谭晓红
张红芳
张红意
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Lanzhou Jinchuan Technology Park Co ltd
Jinchuan Group Co Ltd
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Lanzhou Jinchuan Technology Park Co ltd
Jinchuan Group Co Ltd
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Priority to CN201920559260.0U priority Critical patent/CN210268180U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143Reduction of greenhouse gas [GHG] emissions of methane [CH4]

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  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

The utility model belongs to the technical field of calcining furnace equipment, in particular to a dynamic natural gas calcining furnace, which comprises a furnace body, wherein a plurality of clapboards are arranged inside the furnace body to form an S-shaped channel, the clapboards divide the furnace body into a plurality of furnace chambers, a feed inlet is arranged on the upper part of one end of the furnace body, a discharge outlet is arranged on the other end of the furnace body, an ignition device and a spray gun nozzle are arranged in each furnace chamber of the furnace body, the ignition device is communicated with a natural gas source, an exhaust fan is arranged on one side of the discharge outlet, and the; the furnace body is divided into a plurality of furnace chambers through the partition plates, an independent spray gun is arranged in each furnace chamber to heat the furnace chambers, an S-shaped channel is formed among the furnace chambers, and due to the fact that a furnace body negative pressure and a cyclone field are formed by combustion of an exhaust fan at the tail of the furnace body and natural gas, materials can flow and be heated in the furnace chambers of the S-shaped channel, and the difficult problems that a dynamic calcining device is uneven in calcined materials, short in material retention time, complex in mechanical equipment and the like are effectively solved.

Description

Dynamic natural gas calcining furnace
Technical Field
The utility model belongs to the technical field of forge burning furnace equipment, concretely relates to forge burning furnace in natural gas developments.
Background
The demand of lithium ion battery powder materials is increased explosively along with the rapid development demand of new energy technology, the calcining technology for preparing the lithium ion battery powder materials directly determines the quality of the battery materials, the calcining furnace is the only equipment of the calcining process, and the static calcining technology is basically used in the prior art. The static calcining furnace has many defects, and because the materials are in a static mode in the furnace body, the materials are heated unevenly in the calcining process, so that the materials are not calcined thoroughly, and the product quality is unstable. The semi-dynamic calcining furnace used at present has the problems of short retention time of materials in the furnace body, insufficient material calcining degree, incomplete decomposition of products and low calcining efficiency due to the design problem of the furnace body. The existing calcining furnace equipment in the market is complex in general structure, mechanical failure and serious corrosion of a furnace body are easy to occur, the heat utilization rate of the calcining furnace is not high in the calcining process, materials are not uniformly calcined, the difficulty in cleaning the materials of the furnace body is high, the equipment maintenance is complex and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcomings in the prior art, providing a material can flow at different temperature sections and calcine, realizing the even natural gas dynamic calcining furnace that fully calcines of material.
In order to satisfy the above-mentioned purpose, the utility model discloses the technical scheme who takes does:
the dynamic natural gas calcining furnace comprises a furnace body, wherein a plurality of partition plates are arranged inside the furnace body to form an S-shaped channel, the partition plates divide the furnace body into a plurality of furnace chambers, a feed inlet is formed in the upper portion of one end of the furnace body, a discharge outlet is formed in the other end of the furnace body, an ignition device and a spray gun nozzle are arranged in each furnace chamber of the furnace body, the ignition device is communicated with a natural gas source, an exhaust fan is arranged on one side of the discharge outlet, and the exhaust fan is communicated with the furnace body.
Preferably, the furnace body is made of stainless steel.
Preferably, one side of the furnace body is provided with an auxiliary air inlet, and the auxiliary air inlet is arranged at the same side as the feed inlet.
Preferably, the inner wall of the furnace body is provided with a heat insulation layer.
Preferably, the heat insulation layer is an acid-base corrosion resistant heat insulation material.
Preferably, the material calcined by the furnace body is a powder material or atomized liquid.
Preferably, the bottom of the furnace body is provided with a plurality of overhaul discharge valves and overhaul ports.
Preferably, the air outlet end of the exhaust fan is provided with a dust collecting cloth bag and a tail gas collector.
The utility model has the advantages that:
(1) the utility model has the advantages of simple structure, it cuts apart the furnace body into a plurality of furnace chambers through the baffle, set up solitary spray gun in every furnace chamber and heat it, form S type passageway between each furnace chamber, because the air exhauster and the natural gas burning of furnace body afterbody make furnace body negative pressure and vortex flow field form, the material just can flow in the furnace chamber of S type passageway and heat, the difficult problems such as dynamic calcining equipment calcination material is inhomogeneous, the material dwell time is short, mechanical equipment is complicated have effectively been solved, it is a calcining process succinct, energy utilization rate is high, the dynamic calcining equipment that the product quality uniformity is good;
(2) a dust collecting cloth bag and a tail gas collector are arranged at an exhaust fan at the tail part of the furnace body, so that the pollution to the environment and the severe working environment are avoided;
(3) the heat-insulating layer of acid-base corrosion resistant heat-insulating material is arranged in the furnace body, so that the temperature loss in the furnace body is avoided;
(4) the auxiliary air inlet is arranged at the same side of the feed inlet of the furnace body, so that the production environment of different crystals can be met;
(5) the bottom of the furnace body is provided with a plurality of overhauling discharge valves and overhauling ports, so that the furnace body is easy to maintain.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. the device comprises a furnace body, a partition plate, a feed inlet, a heat insulation layer, an auxiliary air inlet, an ignition device, a spray gun nozzle, a maintenance discharge outlet, a maintenance opening, a tail gas collector, a discharge outlet, a dust collection cloth bag and an exhaust fan, wherein the partition plate is 2, the feed inlet is 3, the heat insulation layer is 4, the auxiliary air inlet is 5, the ignition device is 6, the spray gun nozzle is 7.
Detailed Description
The invention will be further described with reference to the accompanying drawings and working principles:
the dynamic natural gas calcining furnace shown in fig. 1 comprises a furnace body 1, a plurality of partition plates 2 are arranged inside the furnace body 1 to form an S-shaped channel, the partition plates 2 divide the furnace body 1 into a plurality of furnace chambers, each furnace chamber formed by the partition plates 2 is communicated with the S-shaped channel, a feed inlet 3 is arranged on the upper portion of one end of the furnace body 1, a discharge outlet 14 is arranged at the other end of the furnace body 1, an ignition device 6 and a spray gun nozzle 7 are arranged in each furnace chamber of the furnace body 1, the ignition device 6 is communicated with a natural gas source, so that the temperature in each furnace chamber can be independently controlled, calcining sections with different temperature sections are formed, an exhaust fan 16 is arranged on one side of the discharge outlet 14, the exhaust fan 16 is communicated with the furnace body 1, and the exhaust fan 16 takes away the air inside the furnace body. The furnace body 1 is made of stainless steel. One side of furnace body 1 is equipped with supplementary air inlet 5, supplementary air inlet 5 and 3 homonymies of feed inlet, for the inside atmosphere of protection furnace body 1, can satisfy the environment of different crystal production, and 1 inner wall of furnace body is equipped with heat preservation 4, avoids the inside temperature loss of furnace body, and heat preservation 4 is the thermal insulation material of acid and alkali corrosion resistance, avoids being corroded by the calcined material. The material calcined in the furnace body 1 is powder material or atomized liquid. The bottom of furnace body 1 is equipped with a plurality of and overhauls discharge valve 8 and access hole 9 for the furnace body is easily maintained. The air outlet end of the exhaust fan 16 is provided with a dust collecting cloth bag 15 and a tail gas collector 10, so that the pollution to the environment and the severe working environment are avoided.
When the device is used, the exhaust fan 16 is started, the temperature of the furnace is raised to the required temperature through the spray gun nozzle 7 and the ignition device 6 of the natural gas, materials are input into the calcining furnace cavities of the furnace bodies 1 through the feed inlet 3, under the combined action of the exhaust fan and the natural gas which are combusted to form a rotational flow field, the materials sequentially enter the calcining furnace cavities of the furnace bodies 1 through gaps among the calcining furnace cavities, and are fully calcined through the calcining furnace cavities in sequence after similar calcination. The materials are dynamically calcined and then conveyed to a discharge hole 14 for collection, and tail gas is collected and treated in a centralized way through a dust collection cloth bag 15 and a tail gas collector 10. The condition of material wall built-up in the stove can be inspected through the access hole 9 during blowing out, and the furnace chamber is cleaned through the access discharge valve 8 as required.

Claims (8)

1. A dynamic natural gas calcining furnace comprises a furnace body (1), and is characterized in that: the inside of furnace body (1) sets up a plurality of baffle (2) and forms S type passageway, a plurality of furnace chamber is cut apart into with furnace body (1) in baffle (2), furnace body (1) one end upper portion is provided with feed inlet (3), the other end of furnace body (1) is provided with discharge gate (14), be equipped with ignition (6) and spray gun nozzle (7) in each furnace chamber of furnace body (1), ignition (6) and natural gas air source intercommunication, discharge gate (14) one side is provided with air exhauster (16), air exhauster (16) and furnace body (1) intercommunication.
2. The dynamic natural gas calciner according to claim 1, characterized in that: the furnace body (1) is made of stainless steel.
3. A dynamic calciner for natural gas according to claim 2 characterised in that: one side of the furnace body (1) is provided with an auxiliary air inlet (5), and the auxiliary air inlet (5) is arranged at the same side as the feed inlet (3).
4. A dynamic calciner for natural gas according to claim 3 characterised in that: the inner wall of the furnace body (1) is provided with a heat preservation layer (4).
5. The dynamic natural gas calciner according to claim 4, characterized in that: the heat-insulating layer (4) is an acid-alkali corrosion resistant heat-insulating material.
6. A dynamic calciner for natural gas according to claim 5, characterized in that: the material calcined by the furnace body (1) is a powder material or atomized liquid.
7. The dynamic natural gas calciner according to claim 6, characterized in that: the bottom of the furnace body (1) is provided with a plurality of overhaul discharge valves (8) and overhaul openings (9).
8. The dynamic natural gas calciner according to claim 7, characterized in that: and a dust collecting cloth bag (15) and a tail gas collector (10) are arranged at the air outlet end of the exhaust fan (16).
CN201920559260.0U 2019-04-23 2019-04-23 Dynamic natural gas calcining furnace Active CN210268180U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920559260.0U CN210268180U (en) 2019-04-23 2019-04-23 Dynamic natural gas calcining furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920559260.0U CN210268180U (en) 2019-04-23 2019-04-23 Dynamic natural gas calcining furnace

Publications (1)

Publication Number Publication Date
CN210268180U true CN210268180U (en) 2020-04-07

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CN201920559260.0U Active CN210268180U (en) 2019-04-23 2019-04-23 Dynamic natural gas calcining furnace

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110044178A (en) * 2019-04-23 2019-07-23 金川集团股份有限公司 A kind of natural gas dynamic calcining furnace and its application method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110044178A (en) * 2019-04-23 2019-07-23 金川集团股份有限公司 A kind of natural gas dynamic calcining furnace and its application method

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