CN204359111U - A kind of low temperature wear-resisting resistance solidification sintering furnace - Google Patents

A kind of low temperature wear-resisting resistance solidification sintering furnace Download PDF

Info

Publication number
CN204359111U
CN204359111U CN201420799010.1U CN201420799010U CN204359111U CN 204359111 U CN204359111 U CN 204359111U CN 201420799010 U CN201420799010 U CN 201420799010U CN 204359111 U CN204359111 U CN 204359111U
Authority
CN
China
Prior art keywords
thermocouple
heating plate
time
thermal treatment
treatment zone
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.)
Expired - Fee Related
Application number
CN201420799010.1U
Other languages
Chinese (zh)
Inventor
梁艳臣
王雅青
龙海胜
王政清
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.)
ZHUHAI HUAJING MICROELECTRONICS CO Ltd
Original Assignee
ZHUHAI HUAJING MICROELECTRONICS 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 ZHUHAI HUAJING MICROELECTRONICS CO Ltd filed Critical ZHUHAI HUAJING MICROELECTRONICS CO Ltd
Priority to CN201420799010.1U priority Critical patent/CN204359111U/en
Application granted granted Critical
Publication of CN204359111U publication Critical patent/CN204359111U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Tunnel Furnaces (AREA)

Abstract

A kind of low temperature wear-resisting resistance solidification sintering furnace, is provided with burner hearth, conveyer belt, heating arrangements, gas protection mechanism, temperature control electrical structure, conveyer belt protection circuit, Overtemperature protection circuit and overshot ripple conveyer belt auto-cleaning structure thereof; Heating arrangements is provided with five thermals treatment zone and a cooling zone; Gas protection mechanism is provided with the first gas access, the second gas access, the first gas vent, the second gas vent, the first Blast mechanism and the second Blast mechanism; Described first gas access is arranged at described cooling zone, described second gas access is arranged at second thermal treatment zone, described first gas vent is arranged at described 3rd thermal treatment zone, described second gas vent is arranged at described first thermal treatment zone, described first Blast mechanism is connected with described first gas access, and described second Blast mechanism is connected with described second gas access.This low temperature wear-resisting resistance solidification sintering furnace is applicable to carry out wear-resisting electrical resistance sintering use.

Description

A kind of low temperature wear-resisting resistance solidification sintering furnace
Technical field
The utility model relates to thick film products manufacturing equipment field, particularly a kind of special sintering furnace being applicable to wear-resistant membrane resistance and firing.
Background technology
Along with scientific development is to the continuous demand of new product, usually carries out sintering curing at the material surface such as pcb board, ceramics printing low temperature, wear-resisting resistance slurry, to realize product, there is good anti-wear performance.
Anti-wear performance and the sintering furnace of film resistance have direct relation, and reflow welding stove traditional in prior art is due to by factors such as backflow wind heating, and the resistive surface fired is coarse, cannot reach wear-resisting requirement.And film resistance technology for producing series products needs sintering brazier temperature adjustable between room temperature to 800 DEG C, there is no the reflow welding stove can producing 350 DEG C of-800 DEG C of temperature ranges at present; .
Therefore, not enough for prior art, provide the wear-resisting resistance of a kind of low temperature to solidify sintering furnace very necessary to overcome prior art deficiency.
Utility model content
The purpose of this utility model is to avoid weak point of the prior art and provides a kind of low temperature wear-resisting resistance solidification sintering furnace, the solidification that this low temperature wear-resisting resistance solidification sintering furnace can be used for the wear-resisting resistance of low temperature is fired, the product surface fired is smooth, can meet the requirement of anti-wear performance.
Above-mentioned purpose of the present utility model is realized by following technological means.
A kind of low temperature wear-resisting resistance solidification sintering furnace is provided, is provided with burner hearth, conveyer belt, heating arrangements, gas protection mechanism, temperature control electrical structure, conveyer belt protection circuit, Overtemperature protection circuit and overshot ripple conveyer belt auto-cleaning structure thereof;
Described heating arrangements is provided with first thermal treatment zone, second thermal treatment zone, the 3rd thermal treatment zone, the 4th thermal treatment zone, slender acanthopanax hot-zone and cooling zone, described first thermal treatment zone, second thermal treatment zone, the 3rd thermal treatment zone, the 4th thermal treatment zone, slender acanthopanax hot-zone and cooling zone are arranged in order, and adjacent two thermals treatment zone are tightly connected, after described ultrasonic wave auto-cleaning structure thereof is arranged at described cooling zone;
Described gas protection mechanism is provided with the first gas access, the second gas access, the first gas vent, the second gas vent, the first Blast mechanism and the second Blast mechanism; Described first gas access is arranged at described cooling zone, described second gas access is arranged at second thermal treatment zone, described first gas vent is arranged at described 3rd thermal treatment zone, described second gas vent is arranged at described first thermal treatment zone, described first Blast mechanism is connected with described first gas access, and described second Blast mechanism is connected with described second gas access;
Described first thermal treatment zone is provided with heating plate on first, first time heating plate, and heating plate on first, first time heating plate are arranged at upper wall surface, the lower wall surface of first thermal treatment zone respectively;
Described second thermal treatment zone is provided with heating plate on second, second time heating plate, and heating plate on second, second time heating plate are arranged at upper wall surface, the lower wall surface of second thermal treatment zone respectively;
Described 3rd thermal treatment zone is provided with heating plate on the 3rd, the 3rd time heating plate, and heating plate on the 3rd, the 3rd time heating plate are arranged at upper wall surface, the lower wall surface of the 3rd thermal treatment zone respectively;
Described 4th thermal treatment zone is provided with heating plate on the 4th, the 4th time heating plate, and heating plate on the 4th, the 4th time heating plate are arranged at upper wall surface, the lower wall surface of the 4th thermal treatment zone respectively;
Described slender acanthopanax hot-zone is provided with heating plate on the 5th, the 5th time heating plate, and heating plate on the 5th, the 5th time heating plate are arranged at upper wall surface, the lower wall surface of slender acanthopanax hot-zone respectively;
On described first, heating plate is provided with thermocouple on first, described first time heating plate is provided with first time thermocouple, on described second, heating plate is provided with thermocouple on second, described second time heating plate is provided with second time thermocouple, on described 3rd, heating plate is provided with thermocouple on the 3rd, described 3rd time heating plate is provided with the 3rd time thermocouple, on described 4th, heating plate is provided with thermocouple on the 4th, described 4th time heating plate is provided with the 4th time thermocouple, on described 5th, heating plate is provided with thermocouple on the 5th, described 5th time heating plate is provided with the 5th time thermocouple,
Described heating arrangements is provided with temperature and controls electrical structure, and temperature controls electrical structure and is provided with the sub-temperature control unit that ten groups individually to control on thermocouple on thermocouple on described first, first time thermocouple, second, second time thermocouple, the 3rd thermocouple, the 5th time thermocouple heating on thermocouple on thermocouple, the 3rd time thermocouple, the 4th, the 4th time thermocouple, the 5th;
Described conveyer belt protection circuit is connected with the drive motors of described conveyer belt; Described Overtemperature protection circuit and described temperature control electrical structure and are electrically connected.
On thermocouple on thermocouple, the 3rd time thermocouple, the 4th on thermocouple on thermocouple on above-mentioned first, first time thermocouple, second, second time thermocouple, the 3rd, the 4th time thermocouple, the 5th, thermocouple, the 5th time thermocouple outer surface are respectively arranged with antioxidation coating.
Low temperature of the present utility model wear-resisting resistance solidification sintering furnace, is provided with burner hearth, conveyer belt, heating arrangements, gas protection mechanism, temperature control electrical structure, conveyer belt protection circuit, Overtemperature protection circuit and overshot ripple conveyer belt auto-cleaning structure thereof; Described heating arrangements is provided with first thermal treatment zone, second thermal treatment zone, the 3rd thermal treatment zone, the 4th thermal treatment zone, slender acanthopanax hot-zone and cooling zone, described first thermal treatment zone, second thermal treatment zone, the 3rd thermal treatment zone, the 4th thermal treatment zone, slender acanthopanax hot-zone and cooling zone are arranged in order, and adjacent two thermals treatment zone are tightly connected; Described gas protection mechanism is provided with the first gas access, the second gas access, the first gas vent, the second gas vent, the first Blast mechanism and the second Blast mechanism; Described first gas access is arranged at described cooling zone, described second gas access is arranged at second thermal treatment zone, described first gas vent is arranged at described 3rd thermal treatment zone, described second gas vent is arranged at described first thermal treatment zone, described first Blast mechanism is connected with described first gas access, and described second Blast mechanism is connected with described second gas access.This low temperature wear-resisting resistance solidification sintering furnace; adopt the heating of 5th district; and adopt gas protection mechanism to form gentle breeze thermal cycle; waste gas can be discharged by the first gas vent, the second gas vent; make to form negative pressure state in furnace chamber; overcome the defect that the resistive surface fired in prior art is coarse, prepared product surface is smooth, and the sintering furnace be applicable to as wear-resisting resistance uses.
Accompanying drawing explanation
Utilize accompanying drawing to be further described the utility model, but the content in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of low temperature of the utility model wear-resisting resistance solidification sintering furnace.
In FIG, comprising:
Burner hearth 100, conveyer belt 200,
Heating plate 311, first time heating plate 312 on first,
Heating plate 321, second time heating plate 322 on second,
Heating plate 331 on 3rd, the 3rd time heating plate 332,
Heating plate 341 on 4th, the 4th time heating plate 342,
Heating plate 351 on 5th, the 5th time heating plate 352,
Cooling zone 360,
First gas access 420, gas access 410, second,
First gas vent 430, second gas vent 440.
Detailed description of the invention
With the following Examples the utility model is further described.
embodiment 1.
A kind of low temperature wear-resisting resistance solidification sintering furnace; as shown in Figure 1; be provided with burner hearth 100, conveyer belt 200, heating arrangements and gas protection mechanism, be also provided with temperature and control electrical structure, conveyer belt protection circuit, Overtemperature protection circuit and overshot ripple conveyer belt auto-cleaning structure thereof.
Heating arrangements is provided with first thermal treatment zone, second thermal treatment zone, the 3rd thermal treatment zone, the 4th thermal treatment zone, slender acanthopanax hot-zone and cooling zone 360, first thermal treatment zone, second thermal treatment zone, the 3rd thermal treatment zone, the 4th thermal treatment zone, slender acanthopanax hot-zone and cooling zone 360 are arranged in order, and adjacent two thermals treatment zone are tightly connected.
First thermal treatment zone is provided with heating plate 311, first time heating plate 312 on first, and on first, heating plate 311, first time heating plate 312 is arranged at upper wall surface, the lower wall surface of first thermal treatment zone respectively.
Second thermal treatment zone is provided with heating plate 321, second time heating plate 322 on second, and on second, heating plate 321, second time heating plate 322 is arranged at upper wall surface, the lower wall surface of second thermal treatment zone respectively.
3rd thermal treatment zone is provided with heating plate 331 on heating plate 331 on the 3rd, the 3rd time heating plate the 332, three, the 3rd time heating plate 332 is arranged at the 3rd thermal treatment zone respectively upper wall surface, lower wall surface.
4th thermal treatment zone is provided with heating plate 341 on heating plate 341 on the 4th, the 4th time heating plate the 342, four, the 4th time heating plate 342 is arranged at the 4th thermal treatment zone respectively upper wall surface, lower wall surface.
Slender acanthopanax hot-zone is provided with heating plate 351 on the 5th, the 5th time heating plate 352, and heating plate 351 on the 5th, the 5th time heating plate 352 are arranged at upper wall surface, the lower wall surface of slender acanthopanax hot-zone respectively.
On first, heating plate 311 is provided with thermocouple on first, first time heating plate 312 is provided with first time thermocouple, on second, heating plate 321 is provided with thermocouple on second, second time heating plate 322 is provided with second time thermocouple, on 3rd, heating plate 331 is provided with thermocouple on the 3rd, 3rd time heating plate 332 is provided with the 3rd time thermocouple, on 4th, heating plate 341 is provided with thermocouple on the 4th, 4th time heating plate 342 is provided with the 4th time thermocouple, on 5th, heating plate 351 is provided with thermocouple on the 5th, 5th time heating plate 352 is provided with the 5th time thermocouple.
Five thermals treatment zone and cooling zone 360 are arranged separately, accurately can control the temperature of each functional areas, make the temperature in each thermal treatment zone more stable.Heating arrangements is provided with temperature and controls electrical structure, and temperature controls electrical structure and is provided with the sub-temperature control unit that ten groups individually to control on thermocouple on thermocouple on described first, first time thermocouple, second, second time thermocouple, the 3rd thermocouple, the 5th time thermocouple heating on thermocouple on thermocouple, the 3rd time thermocouple, the 4th, the 4th time thermocouple, the 5th.Sub-temperature control unit can pass through thermocouple corresponding to a switch control rule, and particular circuit configurations form can be selected as required flexibly.
In order to improve high temperature reliability, avoid or reduce contacting with air, slow down oxidation, on thermocouple on thermocouple on thermocouple on thermocouple on first, first time thermocouple, second, second time thermocouple, the 3rd, the 3rd time thermocouple, the 4th, the 4th time thermocouple, the 5th, thermocouple, the 5th time thermocouple outer surface are respectively arranged with antioxidation coating.
Gas protection mechanism is provided with the first gas access 420, first, gas access 410, second gas vent 430, second gas vent 440, first Blast mechanism and the second Blast mechanism; First gas access 410 is arranged at described cooling zone 360, second gas access 420 is arranged at second thermal treatment zone, first gas vent 430 is arranged at described 3rd thermal treatment zone, described second gas vent 440 is arranged at described first thermal treatment zone, first Blast mechanism is connected with described first gas access 410, and described second Blast mechanism is connected with described second gas access 420.
Gas protection mechanism blasts air by the first gas access 420, gas access 410, second and forms gentle breeze thermal cycle; waste gas in burner hearth 100 is discharged by the first gas vent 430, second gas vent 440; waste gas can be discharged by the first gas vent 430, second gas vent 440; make to form negative pressure state in furnace chamber; overcome the defect that the resistive surface fired in prior art is coarse; prepared product surface is smooth, is applicable to use as wear-resisting resistance.
In order to ensure effective work of this low temperature wear-resisting resistance solidification sintering furnace, this low temperature wear-resisting resistance solidification sintering furnace is also provided with conveyer belt 200 protection circuit, and conveyer belt 200 protection circuit is connected with the drive motors of conveyer belt 200.When conveyer belt 200 occurs abnormal, the drive motors that conveyer belt 200 protection circuit controls conveyer belt 200 quits work.
Low temperature wear-resisting resistance solidification sintering furnace is also provided with Overtemperature protection circuit; Overtemperature protection circuit and temperature control electrical structure and are electrically connected; when the temperature of sintering furnace occurs abnormal; Overtemperature protection circuit outputs control signals to temperature and controls electrical structure, and temperature controls electrical structure and stops the heating of thermocouple or heat galvanic couple in temperature time control on the low side and heat.
In addition, this low temperature wear-resisting resistance solidification sintering furnace is also provided with overshot ripple conveyer belt 200 auto-cleaning structure thereof, and ultrasonic wave conveyer belt 200 auto-cleaning structure thereof is arranged at rear portion, described cooling zone 360.Auto-cleaning structure thereof can be a service sink, and around service sink or bottom arranges ultrasonic generator, when conveyer belt cleans by during service sink.
Experiment finds, this low temperature wear-resisting resistance solidification sintering furnace can be used for the use of the material surface such as pcb board, ceramics printing low temperature, wear-resisting resistance slurry solidification sintering.
This low temperature wear-resisting resistance solidification sintering furnace is made up of multiple preheating zone, sintering zone, cooling zone 360, and can according to the function in technique and each region of product needed Iterim Change.The control of closed-loop temperature is carried out to the heating source of each thermal treatment zone, easily operates use.This low temperature wear-resisting resistance solidification sintering furnace has the tunnel structure automatically transmitted, and conveyer belt 200 transmission adopts stable stainless steel guipure and chain constant speed Synchronous Transmission, has the stepless time adjustment function of closed-loop control.Its thermal treatment zone is reasonable in design, and unique mode of heating can obtain best Temperature Distribution and stable heating process, enable its everywhere temperature accurately control.Thermal capacity in addition in burner hearth 100 is large, very little on the temperature control precision impact of each thermal treatment zone when product enters body of heater continuously, guarantees the technological requirement of different product, reaches desirable sintering effect.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model but not restriction to the utility model protection domain; although be explained in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.

Claims (2)

1. a low temperature wear-resisting resistance solidification sintering furnace, is characterized in that: be provided with burner hearth, conveyer belt, heating arrangements, gas protection mechanism, temperature control electrical structure, conveyer belt protection circuit, Overtemperature protection circuit and overshot ripple conveyer belt auto-cleaning structure thereof;
Described heating arrangements is provided with first thermal treatment zone, second thermal treatment zone, the 3rd thermal treatment zone, the 4th thermal treatment zone, slender acanthopanax hot-zone and cooling zone, described first thermal treatment zone, second thermal treatment zone, the 3rd thermal treatment zone, the 4th thermal treatment zone, slender acanthopanax hot-zone and cooling zone are arranged in order, and adjacent two thermals treatment zone are tightly connected, after described ultrasonic wave auto-cleaning structure thereof is arranged at described cooling zone;
Described gas protection mechanism is provided with the first gas access, the second gas access, the first gas vent, the second gas vent, the first Blast mechanism and the second Blast mechanism; Described first gas access is arranged at described cooling zone, described second gas access is arranged at second thermal treatment zone, described first gas vent is arranged at described 3rd thermal treatment zone, described second gas vent is arranged at described first thermal treatment zone, described first Blast mechanism is connected with described first gas access, and described second Blast mechanism is connected with described second gas access;
Described first thermal treatment zone is provided with heating plate on first, first time heating plate, and heating plate on first, first time heating plate are arranged at upper wall surface, the lower wall surface of first thermal treatment zone respectively;
Described second thermal treatment zone is provided with heating plate on second, second time heating plate, and heating plate on second, second time heating plate are arranged at upper wall surface, the lower wall surface of second thermal treatment zone respectively;
Described 3rd thermal treatment zone is provided with heating plate on the 3rd, the 3rd time heating plate, and heating plate on the 3rd, the 3rd time heating plate are arranged at upper wall surface, the lower wall surface of the 3rd thermal treatment zone respectively;
Described 4th thermal treatment zone is provided with heating plate on the 4th, the 4th time heating plate, and heating plate on the 4th, the 4th time heating plate are arranged at upper wall surface, the lower wall surface of the 4th thermal treatment zone respectively;
Described slender acanthopanax hot-zone is provided with heating plate on the 5th, the 5th time heating plate, and heating plate on the 5th, the 5th time heating plate are arranged at upper wall surface, the lower wall surface of slender acanthopanax hot-zone respectively;
On described first, heating plate is provided with thermocouple on first, described first time heating plate is provided with first time thermocouple, on described second, heating plate is provided with thermocouple on second, described second time heating plate is provided with second time thermocouple, on described 3rd, heating plate is provided with thermocouple on the 3rd, described 3rd time heating plate is provided with the 3rd time thermocouple, on described 4th, heating plate is provided with thermocouple on the 4th, described 4th time heating plate is provided with the 4th time thermocouple, on described 5th, heating plate is provided with thermocouple on the 5th, described 5th time heating plate is provided with the 5th time thermocouple,
Described heating arrangements is provided with temperature and controls electrical structure, and temperature controls electrical structure and is provided with the sub-temperature control unit that ten groups individually to control on thermocouple on thermocouple on described first, first time thermocouple, second, second time thermocouple, the 3rd thermocouple, the 5th time thermocouple heating on thermocouple on thermocouple, the 3rd time thermocouple, the 4th, the 4th time thermocouple, the 5th;
Described conveyer belt protection circuit is connected with the drive motors of described conveyer belt; Described Overtemperature protection circuit and described temperature control electrical structure and are electrically connected.
2. low temperature according to claim 1 wear-resisting resistance solidification sintering furnace, is characterized in that: on thermocouple on thermocouple, the 3rd time thermocouple, the 4th on thermocouple on thermocouple on described first, first time thermocouple, second, second time thermocouple, the 3rd, the 4th time thermocouple, the 5th, thermocouple, the 5th time thermocouple outer surface are respectively arranged with antioxidation coating.
CN201420799010.1U 2014-12-17 2014-12-17 A kind of low temperature wear-resisting resistance solidification sintering furnace Expired - Fee Related CN204359111U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420799010.1U CN204359111U (en) 2014-12-17 2014-12-17 A kind of low temperature wear-resisting resistance solidification sintering furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420799010.1U CN204359111U (en) 2014-12-17 2014-12-17 A kind of low temperature wear-resisting resistance solidification sintering furnace

Publications (1)

Publication Number Publication Date
CN204359111U true CN204359111U (en) 2015-05-27

Family

ID=53260577

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420799010.1U Expired - Fee Related CN204359111U (en) 2014-12-17 2014-12-17 A kind of low temperature wear-resisting resistance solidification sintering furnace

Country Status (1)

Country Link
CN (1) CN204359111U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104976866A (en) * 2015-07-10 2015-10-14 东莞市科隆威自动化设备有限公司 Drying oven
CN106017076A (en) * 2016-07-09 2016-10-12 东莞市科隆威自动化设备有限公司 Full closed-loop temperature control furnace and temperature control method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104976866A (en) * 2015-07-10 2015-10-14 东莞市科隆威自动化设备有限公司 Drying oven
CN104976866B (en) * 2015-07-10 2017-08-25 东莞市科隆威自动化设备有限公司 A kind of drying oven
CN106017076A (en) * 2016-07-09 2016-10-12 东莞市科隆威自动化设备有限公司 Full closed-loop temperature control furnace and temperature control method thereof
CN106017076B (en) * 2016-07-09 2018-07-27 东莞市科隆威自动化设备有限公司 A kind of closed-loop temperature-controlled oven and its temprature control method

Similar Documents

Publication Publication Date Title
CN209131327U (en) Tunnel mesh belt sintering furnace
CN104313295B (en) Roller-bottom type sheet material continuous tempering furnace and tempering method thereof
WO2020049314A3 (en) Oven and method of operating an oven
CN204359111U (en) A kind of low temperature wear-resisting resistance solidification sintering furnace
CN103940221A (en) Novel energy-saving kiln
CN102435066A (en) High temperature sintering kiln
CN201885528U (en) Chain part drying equipment
CN204359112U (en) A kind of Special sintering furnace for wear-resisting membrane resistor
CN106140579A (en) A kind of energy-efficient infrared ray cured device
CN207649334U (en) A kind of energy-efficient automation roller kilns
CN109307431A (en) A kind of Industrial Stoves of Hybrid Heating
CN103159400B (en) A kind of glass-ceramic rotary processing stove
CN104178604A (en) Energy-consumption-optimized isothermal normalizing furnace
CN203256123U (en) Glass-ceramic rotary processing furnace
CN204678904U (en) resistance furnace
CN203857807U (en) Biomass furnace of die-casting machine
CN204115496U (en) A kind of residual heat of tunnel kiln utilize device
CN204138359U (en) A kind of iron scale oxidation treatment device
CN207881461U (en) A kind of high temperature kiln
CN209288279U (en) A kind of plasma preparation nano material preheating diversion pipe
CN208269641U (en) Hot air circulation continuous tunnel furnace
CN105066691A (en) Microwave smelting furnace and microwave heating reduction and electric furnace refining composite smelting technology of microwave smelting furnace
CN102745751B (en) The full-automatic device of multi-functional sintered cobalt acid lithium
CN101915503A (en) Fuel gas-heated mesh belt roasting furnace circulating hot air up and down
CN206440122U (en) A kind of heater for being used to melt zinc

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150527

Termination date: 20201217