CN107720745A - Graphite cathode material heat-treatment furnace cooling system and cooling means - Google Patents
Graphite cathode material heat-treatment furnace cooling system and cooling means Download PDFInfo
- Publication number
- CN107720745A CN107720745A CN201710792703.6A CN201710792703A CN107720745A CN 107720745 A CN107720745 A CN 107720745A CN 201710792703 A CN201710792703 A CN 201710792703A CN 107720745 A CN107720745 A CN 107720745A
- Authority
- CN
- China
- Prior art keywords
- cooling
- furnace
- cathode material
- graphite cathode
- water
- Prior art date
- 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
Links
Classifications
-
- 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
- F27D9/00—Cooling of furnaces or of charges therein
-
- 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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0072—Cooling of charges therein the cooling medium being a gas
- F27D2009/0075—Cooling of charges therein the cooling medium being a gas in direct contact with the charge
-
- 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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0081—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge)
- F27D2009/0083—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge) the fluid being water
- F27D2009/0086—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge) the fluid being water applied in spray form
-
- 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
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/04—Carbon-containing material
Abstract
The invention discloses a kind of graphite cathode material heat-treatment furnace cooling system and cooling means, it is intended to solve the problems, such as existing graphite cathode material Cooling Method After Heat-treatment exist security and stability is poor, cooling is insufficient, cool time is long, cooling effectiveness is low, influence product quality.The graphite cathode material heat-treatment furnace cooling system synthesis of the present invention cools down four kinds of types of cooling and cooling technology using air-cooled, recirculated water cooling, spray water cooling and pressure release, material cools down in the privileged sites such as the axle sleeve of Furnace door frame, furnace roof safety valve, stove tail baffle valve, centrifugal blower to graphite cathode material heat-treatment furnace and stove, meet needs of the graphite cathode material thermal treatment production process control condition to cooling down, with the characteristics of rapid, timely, safe efficient is cooled down, product quality has been ensured.This method strong operability, it is highly suitable for the popularization and application of graphite cathode material manufacturing enterprise.
Description
Technical field
The present invention relates to graphite cathode material production technical field, and in particular to a kind of graphite cathode material heat-treatment furnace is cold
But system and cooling means.
Background technology
Mainly the negative material by the use of graphite microparticles as its conductive negative pole, its granularity are generally situated between lithium rechargeable battery at present
In 3 μm~30 μm.Graphite cathode material is needed pretreated raw material at 500~1000 DEG C during preparation is produced
It is heat-treated in heat-treatment furnace, raw material is obtained charing process and remove the volatile matter in raw material and moisture.The process is in heat
Carried out in treatment furnace, generally using natural gas or water-gas as combustion medium, make raw material in heat-treatment furnace in certain temperature
The process control conditions such as curve, time graph and pressure curve, the mode for carrying out long-time roasting are carried out, and in this process, are needed
A series of strict necessary cooling treatments are carried out to heat-treatment furnace, to ensure the normal safe operation of heat-treatment furnace and fill
Divide and meet requirement of the controlling of production process condition to in-furnace temperature, temperature control time and temperaturing control pressure etc., it is existing common to avoid
The problem of security and stability existing for the type of cooling is poor, cooling is insufficient, cool time is long, cooling effectiveness is low, these problems are held
It is easily caused graphite cathode material and phenomena such as charing is insufficient, volatile matter and moisture removal be not thorough, shadow occurs in heat treatment process
Ring product quality.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of graphite cathode material heat-treatment furnace cooling system, and this is
System cools down in heat treatment to material in heat-treatment furnace and its stove, to ensure the progress of heat treatment and meet production technology
Requirement of the control condition to cooling down, avoid the occurrence of carbonize insufficient, volatile matter and moisture removal it is not thorough etc. influence it is follow-up
The problem of product quality.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
Design a kind of graphite cathode material heat-treatment furnace cooling system, including air cooling equipment, water-circulating cooling device, shower water cold charge
Put and release cooling device;Air cooling equipment includes furnace roof centrifugal blower;Water-circulating cooling device includes tank, Furnace door frame circulates
Cooling water mechanism, furnace roof safety valve recirculated cooling water mechanism, stove tail baffle valve recirculated cooling water mechanism and centrifugal blower axle sleeve follow
Ring cooling water mechanism;Spraying water cooling plant includes micropore shower nozzle, jet pipe, telescoping cylinder and spray control valve;Release cooling device bag
Include furnace pressure sensor.
Preferably, spray water cooling plant is connected with tank pipeline;Furnace pressure sensor joins with the stove tail baffle valve
Dynamic control.
Preferably, furnace roof centrifugal blower is high temperature resistant centrifugal blower, is uniformly distributed at the front portion of furnace roof, middle part, rear portion.
Preferably, lubricating grease used in the bearing of furnace roof centrifugal blower is lithium base high temperature ointment lubricating grease.
Preferably, furnace roof centrifugal blower air quantity control is 500 ~ 1000m3/h。
Preferably, Furnace door frame recirculated cooling water mechanism position hollow sealing structure, its material are stainless steel 304;
Preferably, in water-circulating cooling device cooling water water temperature≤30 DEG C, hardness≤6DH, electrical conductivity is≤5 μ S/cm.
Preferably, furnace pressure sensor and stove tail baffle valve coordinated signals, coordinated signals use PID control;Stove tail is kept off
The aperture of plate valve controls to adjust the size of furnace pressure.
Preferably, there is air bleeding valve at the top of Furnace door frame recirculated cooling water mechanism, when producing vapour lock in Furnace door frame to inframe
Flow of cooling water causes to open when hindering, and to discharge the gas in Furnace door frame, eliminates vapour lock.
A kind of cooling means of graphite cathode material heat-treatment furnace cooling system is designed, is comprised the following steps:
(1)Start air cooling equipment during cooling down after graphite cathode material heat treatment in stove, furnace roof centrifugal blower uses frequency conversion
The outside air cold wind blasted into stove is controlled, material in stove is cooled down;
(2)Water-circulating cooling device cools down to the privileged site of heat-treatment furnace, and the cooling water current continuously circulated are cold to needing
But position is cooled down;
(3)Spray water cooling plant to be opened, starts spray control valve, telescoping cylinder is stretched into micropore shower nozzle and jet pipe in stove by furnace roof,
The cooling water of atomization is sprayed into stove from micropore shower nozzle, uniform spraying cooling is carried out to material in stove;
(4)As in-furnace temperature rise starts the release cooling device, when pressure monitor sensor is excessive to furnace pressure,
Stove tail baffle valve can be opened, release regulation is carried out to furnace pressure, reduces in-furnace temperature.
The advantageous effects of the present invention are:
1. the present invention cools down in heat treatment to material in heat-treatment furnace and its stove, while ensureing the progress of heat treatment
Requirement of the controlling of production process condition to cooling down is met, avoids the occurrence of and carbonizes insufficient, volatile matter and moisture removal not
The problem of thoroughly waiting influence successor quality.
2. the present invention is comprehensive to cool down four kinds of types of cooling and cooling skill using air-cooled, recirculated water cooling, spray water cooling and pressure release
Art, it is applied in combination on demand, makes cooling rapid, timely, safe efficient on the premise of energy-conserving and environment-protective, ensured product quality.
3. strong operability of the present invention, it is highly suitable for the popularization and application of graphite cathode material manufacturing enterprise.
Embodiment
Illustrate the embodiment of the present invention with reference to embodiment, but following examples are used only to describe in detail
The present invention, the scope not limiting the invention in any way.In the examples below involved equipment unless otherwise instructed,
It is conventional equipment;Involved industrial materials are commercially available regular industrial material unless otherwise instructed;Involved operation side
Method, it is conventional practices unless otherwise instructed.
Embodiment 1:
A kind of graphite cathode material heat-treatment furnace cooling system, including air cooling equipment, water-circulating cooling device, spray water cooling plant and
Release cooling device;Air cooling equipment includes furnace roof centrifugal blower;Water-circulating cooling device includes tank, Furnace door frame circulating cooling
Water dispenser structure, furnace roof safety valve recirculated cooling water mechanism, stove tail baffle valve recirculated cooling water mechanism and the circulation of centrifugal blower axle sleeve are cold
But water dispenser structure;Spraying water cooling plant includes micropore shower nozzle, jet pipe, telescoping cylinder and spray control valve;Release cooling device includes stove
Pressure sensor.
Furnace roof centrifugal blower is high temperature resistant centrifugal blower, is uniformly distributed at the front portion of furnace roof, middle part, rear portion.Furnace roof centrifuges
Lubricating grease used in the bearing of blower fan is lithium base high temperature ointment lubricating grease.Furnace roof centrifugal blower air quantity is 500~1000m3/h。
Furnace door frame is hollow sealing structure, and its material is stainless steel 304, and air bleeding valve is provided with the top of Furnace door frame, when
Having vapour lock to produce in Furnace door frame can open when inframe flow of cooling water is caused and hindered in air bleeding valve discharge Furnace door frame
Gas, vapour lock being eliminated, water temperature≤30 DEG C of cooling water, hardness≤6DH of cooling water, the electrical conductivity of cooling water is≤5 μ S/cm,
Pressure controller is separately installed with outlet conduit, the water pressure of cooling water in outlet conduit is monitored, cooling tower is glass
Steel cooling tower.
Spray the micropore shower nozzle in water cooling plant, the material of jet pipe is Stainless steel 316, and passes through the cold of pipeline and tank
But aqueous phase joins.Cooling water after filtering and soften in tank can avoid the fouling of micropore shower nozzle and blocking.On outlet conduit respectively
Pressure controller is installed, the water pressure of cooling water in outlet conduit is monitored.
In heat-treatment furnace built with pressure sensor, and make itself and stove tail baffle valve coordinated signals, wherein stove tail baffle valve
Aperture it is adjustable, to adjust the size of furnace pressure, coordinated signals use PID control, as in-furnace temperature raises, work as pressure
Sensor monitoring to furnace pressure it is excessive when, stove tail baffle valve can be opened, to furnace pressure carry out release regulation, so as to reduce stove
Interior temperature.
Embodiment 2:
The cooling means of graphite cathode material heat-treatment furnace cooling system, comprises the following steps in embodiment 1:
(1)Start air cooling equipment during cooling down after graphite cathode material heat treatment in stove, furnace roof centrifugal blower uses frequency conversion
The outside air cold wind blasted into stove is controlled, material in stove is cooled down;
(2)Water-circulating cooling device cools down to the privileged site of heat-treatment furnace, and the cooling water current continuously circulated are cold to needing
But position is cooled down;
(3)Spray water cooling plant to be opened, starts spray control valve, telescoping cylinder is stretched into micropore shower nozzle and jet pipe in stove by furnace roof,
The cooling water of atomization is sprayed into stove from micropore shower nozzle, uniform spraying cooling is carried out to material in stove;
(4)As in-furnace temperature rise starts the release cooling device, when pressure monitor sensor is excessive to furnace pressure,
Stove tail baffle valve can be opened, release regulation is carried out to furnace pressure, reduces in-furnace temperature.
Embodiment 3:
Difference from Example 2 is:The cooling water pumped out in water-circulating cooling device by tank is respectively by independent pipe
Road is passed through the water inlet of Furnace door frame, the water inlet of furnace roof safety valve, the water inlet of stove tail baffle valve, centrifugal blower axle sleeve and entered
The mouth of a river, and flowed out from the delivery port of respective cooling position, flowed into by each independent outlet conduit positioned at the pond of confluxing of stove tail,
And cycling hot pond is finally back to by pond of confluxing, the water in cycling hot pond is again after cooling tower cools, then flow into circulation
Water cooling pond, the water in circulating water pond flow into tank after the filtering of quartzy silo and water softener sofening treatment again, final warp
The cooling water of supercooling, filtering and softening is stored in tank in case cooling down use.
Embodiment 4:
Difference from Example 2 is:Air cooling equipment, water-circulating cooling device, spray water cooling plant and release can be started on demand
It is at least one in four kinds of cooling devices of cooling device, to the privileged sites of graphite cathode material heat-treatment furnace(Including fire door door
Frame, furnace roof safety valve, stove tail baffle valve, the axle sleeve of centrifugal blower)And material is cooled down in stove, the synthesis fortune when needing cooling
With a variety of cooling technologies and the cooling system of the type of cooling, it is ensured that rapidly cooled down, improved in time in heat treatment process
Cooling effectiveness, while ensure the safe operation of heat-treatment furnace, meet graphite cathode material thermal treatment production process control condition pair
The needs of cooling down, technical guarantee is provided to the pretreated raw material production quality of graphite cathode material.
The present invention is described in detail above in conjunction with embodiment, still, person of ordinary skill in the field can
Understand, on the premise of present inventive concept is not departed from, each design parameter in above-described embodiment can also be changed, shape
Into multiple specific embodiments, it is common excursion of the invention, is no longer described in detail one by one herein.
Claims (9)
- A kind of 1. graphite cathode material heat-treatment furnace cooling system, it is characterised in that including air cooling equipment, water-circulating cooling device, Spray water cooling plant and release cooling device;The air cooling equipment includes furnace roof centrifugal blower;The water-circulating cooling device includes Tank, Furnace door frame recirculated cooling water mechanism, furnace roof safety valve recirculated cooling water mechanism, stove tail baffle valve circulating cooling water dispenser Structure and centrifugal blower axle sleeve recirculated cooling water mechanism;The spray water cooling plant includes micropore shower nozzle, jet pipe, telescoping cylinder and spray Control valve;The release cooling device includes furnace pressure sensor.
- 2. graphite cathode material heat-treatment furnace cooling system according to claim 1, it is characterised in that the spray water cooling Device is connected with the tank pipeline;The furnace pressure sensor and the stove tail baffle valve coordinated signals.
- 3. graphite cathode material heat-treatment furnace cooling system according to claim 1, it is characterised in that the furnace roof centrifugation Blower fan is high temperature resistant centrifugal blower, is uniformly distributed at the front portion of furnace roof, middle part, rear portion.
- 4. graphite cathode material heat-treatment furnace cooling system according to claim 1, it is characterised in that the furnace roof centrifugation Lubricating grease used in the bearing of blower fan is lithium base high temperature ointment lubricating grease.
- 5. graphite cathode material heat-treatment furnace cooling system according to claim 1, it is characterised in that the furnace roof centrifugation Fan delivery control is 500~1000m3/h。
- 6. graphite cathode material heat-treatment furnace cooling system according to claim 1, it is characterised in that the Furnace door frame Recirculated cooling water mechanism position hollow sealing structure, its material are stainless steel 304;Graphite cathode material heat-treatment furnace cooling system according to claim 1, it is characterised in that the water-circulating cooling Water temperature≤30 DEG C of middle cooling water, hardness≤6DH are put, electrical conductivity is≤5 μ S/cm.
- 7. graphite cathode material heat-treatment furnace cooling system according to claim 1, it is characterised in that the furnace pressure Sensor and the stove tail baffle valve coordinated signals, coordinated signals use PID control;The aperture control of the stove tail baffle valve is adjusted Save the size of furnace pressure.
- 8. graphite cathode material heat-treatment furnace cooling system according to claim 1, it is characterised in that the Furnace door frame There is air bleeding valve at the top of recirculated cooling water mechanism, opened when producing vapour lock in Furnace door frame and inframe flow of cooling water being caused and hindered Open, to discharge the gas in Furnace door frame, eliminate vapour lock.
- 9. a kind of graphite cathode material heat-treatment furnace cooling means, it is characterised in that utilize graphite cathode material described in claim 1 Expect heat-treatment furnace cooling system, comprise the following steps:(1)Start the air cooling equipment, the furnace roof centrifugal blower during cooling down after graphite cathode material heat treatment in stove The outside air cold wind blasted using VFC into stove, is cooled down to material in stove;(2)The water-circulating cooling device cools down to the privileged site of heat-treatment furnace, and the cooling water current continuously circulated are to needing The position to be cooled down is cooled down;(3)The spray water cooling plant is opened, starts the spray control valve, the telescoping cylinder is by the micropore shower nozzle and described Jet pipe is stretched into stove by furnace roof, sprays into the cooling water of atomization into stove from the micropore shower nozzle, material in stove is uniformly sprayed Leaching cooling;(4)As in-furnace temperature rise starts the release cooling device, when the pressure monitor sensor to furnace pressure mistake When big, stove tail baffle valve can be opened, release regulation is carried out to furnace pressure, reduces in-furnace temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710792703.6A CN107720745A (en) | 2017-09-05 | 2017-09-05 | Graphite cathode material heat-treatment furnace cooling system and cooling means |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710792703.6A CN107720745A (en) | 2017-09-05 | 2017-09-05 | Graphite cathode material heat-treatment furnace cooling system and cooling means |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107720745A true CN107720745A (en) | 2018-02-23 |
Family
ID=61205089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710792703.6A Pending CN107720745A (en) | 2017-09-05 | 2017-09-05 | Graphite cathode material heat-treatment furnace cooling system and cooling means |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107720745A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113346076A (en) * | 2021-05-14 | 2021-09-03 | 沁新集团(天津)新能源技术研究院有限公司 | Surface modified graphite negative electrode material of lithium ion battery and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203163483U (en) * | 2012-11-27 | 2013-08-28 | 西安大昱光电科技有限公司 | Cooling zone structure of solar cell sintering furnace |
CN206073730U (en) * | 2016-10-12 | 2017-04-05 | 苏州市通润机械铸造有限公司 | A kind of cooling system of electric induction furnace |
-
2017
- 2017-09-05 CN CN201710792703.6A patent/CN107720745A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203163483U (en) * | 2012-11-27 | 2013-08-28 | 西安大昱光电科技有限公司 | Cooling zone structure of solar cell sintering furnace |
CN206073730U (en) * | 2016-10-12 | 2017-04-05 | 苏州市通润机械铸造有限公司 | A kind of cooling system of electric induction furnace |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113346076A (en) * | 2021-05-14 | 2021-09-03 | 沁新集团(天津)新能源技术研究院有限公司 | Surface modified graphite negative electrode material of lithium ion battery and preparation method thereof |
CN113346076B (en) * | 2021-05-14 | 2023-01-24 | 沁新集团(天津)新能源技术研究院有限公司 | Surface modified graphite negative electrode material of lithium ion battery and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2019501107A (en) | High purity nano molybdenum trioxide manufacturing apparatus and manufacturing method | |
CN103541003B (en) | Polycrystalline silicon ingot or purifying furnace | |
CN104923556B (en) | For the thermal desorption firing equipment that oil-contaminated soil is repaired | |
CN111087184A (en) | Novel white cement bleaching device and process | |
CN107720745A (en) | Graphite cathode material heat-treatment furnace cooling system and cooling means | |
CN105776294B (en) | A kind of energy-efficient alchlor production method | |
CN208254267U (en) | A kind of spray column defroster | |
CN206660154U (en) | A kind of bactericidal unit in liquid state fermentation production process | |
CN106744707B (en) | It is a kind of to prepare insoluble sulfur process unit | |
CN106924044B (en) | Quenching equipment for calcined traditional Chinese medicine | |
CN207062355U (en) | A kind of natural heat dissipation device for magnesium method titanium sponge production | |
CN212974646U (en) | Dry waste gas absorbing device of salicylic acid | |
CN204918630U (en) | Slag water smoke granulating device | |
CN210825967U (en) | Lime cooling device for sleeve kiln | |
CN204271118U (en) | A kind of double source cooled graphite boat cooling room | |
CN103599681A (en) | Tail gas continuous processing device utilizing alkaline activation to prepare activated carbon and tail gas continuous processing method thereof | |
CN209246658U (en) | A kind of ring cold-smoothing material equipment | |
CN209584317U (en) | A kind of heated air circulation heat treating furnace spout device | |
CN208987684U (en) | A kind of tea drier | |
CN206768184U (en) | A kind of Novel annealing furnace | |
CN212214634U (en) | Spray type drying tower | |
CN205662556U (en) | Continuous backfire -proof device of aluminum wire | |
CN207600125U (en) | A kind of fireproof material drying oven | |
CN206177053U (en) | Material cooling device | |
CN105521938B (en) | A kind of fresh tea passes sorting and de-enzyme integral system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180223 |
|
WD01 | Invention patent application deemed withdrawn after publication |