CN207975972U - A kind of bell-type furnace - Google Patents
A kind of bell-type furnace Download PDFInfo
- Publication number
- CN207975972U CN207975972U CN201721899217.6U CN201721899217U CN207975972U CN 207975972 U CN207975972 U CN 207975972U CN 201721899217 U CN201721899217 U CN 201721899217U CN 207975972 U CN207975972 U CN 207975972U
- Authority
- CN
- China
- Prior art keywords
- charge
- valve
- bell
- burner hearth
- air inlet
- 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.)
- Active
Links
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a kind of bell-type furnaces, include furnace body with burner hearth and more than one the adjustable air intake component being connected with burner hearth, adjustable air intake component includes that outlet end supervisor, input end supervisor and several air inlets are in charge of, outlet end supervisor is connected to burner hearth, input end supervisor is connected to more than one air source, the both ends that each air inlet is in charge of are connected to outlet end supervisor and input end supervisor respectively, and every air inlet is in charge of equipped with the constant on-off valve of draft speed when opening.The bell-type furnace have many advantages, such as at low cost, stable and reliable in work, service life is long, flexible adjustment, control it is simple and convenient.
Description
Technical field
The utility model is related to heat treatment equipment technical fields, and in particular to a kind of bell-type furnace.
Background technology
Bell-type furnace is a kind of heat-treatment furnace for heat treatment process such as material sintering.Most of materials are heat-treated
When, different atmosphere and gas concentration are required in different heat treatment stages, this adjustable air intake component need to set
The atmosphere type and air inflow of being sent into burner hearth are controlled.Existing adjustable air intake component, which is divided into, manually controls and automatically controls two
Kind, it is to connect burner hearth using an air inlet pipe to be supplied to manually control adjustable air intake component, and one is arranged in the air inlet pipe
The flow speed controller adjusted manually has that error is big, is not easy to adjust, promptness difference, being not easy to ensure the consistent of product
Property, or even to be easy to cause product quality unqualified.It is to use automatic control flow meter to air inlet to automatically control adjustable air intake component
The intake velocity of pipe is controlled, and can solve the problems, such as to manually control present in adjustable air intake component, but automatic control flow
The of high cost, fragile of meter, control difficulty are big, and maintenance cost is very high, pure to air source to meet precision automatic control flow meter
Degree requires reliability that is also high, and realizing high-precision control and work, or even needs automatically controlling for external import
Flowmeter can just be met the requirements, this can cause further increasing for cost.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of the prior art, provides a kind of at low cost, work
Make that reliable and stable, service life is long, flexible adjustment, control simply and easily bell-type furnace.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of bell-type furnace, includes furnace body with burner hearth and more than one the adjustable air intake component being connected with burner hearth, described
Adjustable air intake component includes that outlet end supervisor, input end supervisor and several air inlets are in charge of, and the outlet end supervisor is connected to burner hearth,
The input end supervisor is connected to more than one air source, and the both ends that each air inlet is in charge of are responsible for outlet end supervisor and input end respectively
Connection, every air inlet are in charge of equipped with the constant on-off valve of draft speed when opening.
Above-mentioned bell-type furnace, it is preferred that the burner hearth is divided into the multiple gas control sections being sequentially connected, and each gas control section is connected with two
A adjustable air intake component, the outlet end supervisor of two adjustable air intake components and the communication port of burner hearth are divided into gas control section
Two lateral walls on.
Above-mentioned bell-type furnace, it is preferred that the input end supervisor is connected to multiple air sources, and each air source is responsible for input end
Between be connected to by an independent air inlet pipe, each air inlet pipe is equipped with on-off control valve.
Above-mentioned bell-type furnace, it is preferred that the on-off valve is solenoid electric valve or pneumatic control valve.
Above-mentioned bell-type furnace, it is preferred that the current meter for being additionally provided with detection gas flow velocity is in charge of in each air inlet.
Above-mentioned bell-type furnace, it is preferred that during several air inlets are in charge of, ventilate when being opened with the on-off valve that an air inlet is in charge of
Speed is 0.1L/min, and draft speed is 0.2L/min when being opened with the on-off valve that two air inlets are in charge of, and has an air inlet
Draft speed is 0.5L/min when the on-off valve being in charge of is opened, ventilation speed when being opened with the on-off valve that upper air is in charge of with one
Degree is 1L/min.
Above-mentioned bell-type furnace, it is preferred that during several air inlets are in charge of, ventilate when being opened with the on-off valve that nine air inlets are in charge of
Speed is 0.1L/min, and draft speed is 1L/min when the on-off valve being in charge of with upper air with one is opened.
Above-mentioned bell-type furnace, it is preferred that the inboard wall of burner hearth is equipped with the liner that alumina bubble brick is built by laying bricks or stones.
Compared with prior art, the utility model has the advantage of：The bell-type furnace of the utility model is passing through adjustable air intake
When component controls the air inflow into burner hearth, the on-off valve of different number need to be only opened, you can select different air inflows, break-make
Only there are one constant draft speed for tool when opening for valve, precisely steady to the control of flow after the on-off valve combination of different number
It is fixed, and on-off valve does not need complicated mechanical part and electronic control part, it is at low cost, stable and reliable in work, use the longevity
Life length, can substantially reduce equipment manufacturing costs and maintenance cost.In specific application, only need pre-set different flow institute right
The on-off valve combination answered, the simple opening and closing for controlling each group on-off valve, flexible adjustment, control are simple and convenient.
Description of the drawings
Fig. 1 is the dimensional structure diagram of bell-type furnace.
Fig. 2 is the sectional structure simplified schematic diagram that multiple adjustable air intake components are connected to burner hearth.
Fig. 3 is the structure schematic diagram of adjustable air intake component.
Marginal data：
1, furnace body；11, burner hearth；2, adjustable air intake component；21, outlet end is responsible for；22, input end is responsible for；23, into qi leel
Pipe；24, on-off valve；25, current meter；3, air inlet pipe；4, on-off control valve.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, the bell-type furnace of the present embodiment includes furnace body 1 with burner hearth 11 and is connected with burner hearth 11
Multiple adjustable air intake components 2, each adjustable air intake component 2 include that outlet end supervisor 21, input end supervisor 22 and several air inlets are in charge of
23, outlet end supervisor 21 is connected to burner hearth 11, and input end supervisor 22 is connected to more than one air source, and 23 one end is in charge of in each air inlet
It is connected to outlet end supervisor 21, the other end that each air inlet is in charge of 23 is connected to input end supervisor 22, and every air inlet is in charge of 23 and is equipped with
The constant on-off valve 24 of draft speed when opening.The bell-type furnace by adjustable air intake component 2 control into burner hearth 11 into
When tolerance, the on-off valve 24 of different number need to be only opened, you can different air inflows, on-off valve 24 is selected only to have when opening
One constant draft speed precisely stablizes the control of flow after the combination of on-off valve 24 of different number, and on-off valve 24
Do not need complicated mechanical part and electronic control part, it is at low cost, stable and reliable in work, service life is long, it can drop significantly
Low equipment manufacturing costs and maintenance cost.In specific application, the on-off valve 24 corresponding to pre-set different flow is only needed
Combination, the simple opening and closing for controlling each group on-off valve 24, flexible adjustment, control are simple and convenient.
In the present embodiment, burner hearth 11 divides multiple gas control sections to be sequentially connected, and each gas control section is all connected with that there are two be adjustable into
Pneumatic module 2, the outlet end supervisor 21 of two adjustable air intake components 2 are divided into the opposite sides of gas control section with the communication port of burner hearth 11
An intercommunicating pore being connected to outlet end supervisor 21 is respectively provided on wall, namely in the two lateral walls of each gas control section.Using
Multiple adjustable air intake components 2 are ventilated to each gas control section, and all have air inlet in the two lateral walls of each gas control section, can be improved
Uniformity, the stability of 11 internal temperature of burner hearth and atmosphere.
In the present embodiment, input end supervisor 22 is connected to multiple air sources, and each air source passes through one with input end supervisor 22
Independent air inlet pipe 3 is connected to, and each air inlet pipe 3 is equipped with on-off control valve 4, and on-off control valve 4 controls the break-make of air inlet pipe 3.Each gas
Source provides different atmosphere, can select to be passed through any one atmosphere into burner hearth 11 as needed, or arbitrary two or more
The combination atmosphere of atmosphere, adaptability and flexibility greatly improve.
In the present embodiment, on-off valve 24 is solenoid electric valve or pneumatic control valve, convenient for connecting realization with controller certainly
Dynamic control, on-off valve 24 only have there are two state, and a state is in off state, another state is in an open state, and is in and is beaten
Draft speed is constant when open state.On-off valve 24 can be according to user demand and actual conditions using pneumatic on-off valve, electronic break-make
Existing common on-off type valve can be used in a variety of patterns such as valve and electromagnetism on-off valve, on-off valve 24.
In the present embodiment, 23 current meters 25 for being additionally provided with detection gas flow velocity are in charge of in each air inlet, convenient for observation respectively into qi leel
Gas flow rate in pipe 23 is also convenient for reference flow rate meter 25 to its flow when on-off valve 24 is using the valve that flow velocity is adjusted
Quickly adjusted.The current meter 25 uses the prior art.
In the present embodiment, several air inlets are in charge of in 23, ventilation speed when being in charge of 23 opening of on-off valve 24 with an air inlet
Degree be 0.1L/min, with two air inlets be in charge of 23 on-off valve 24 open when draft speed be 0.2L/min, have one into
Draft speed is 0.5L/min when the on-off valve 24 of qi leel pipe 23 is opened, and has one or more（Particular number is according to required maximum
Flow velocity is selected）Draft speed is 1L/min when the on-off valve 24 that air inlet is in charge of 23 is opened.It is combined using this kind and essence can be achieved
Spend grade be 0.1L/min any range flow velocity adjust, and the air inlet needed for it be in charge of 23 and 24 quantity of on-off valve it is few, have
Simple and compact for structure, at low cost, easily controllable advantage.
In other embodiments, it can also be that several air inlets are in charge of in 23,23 on-off valve 24 be in charge of with nine air inlets
Draft speed is 0.1L/min when opening, and draft speed is 1L/ when there is an on-off valve 24 for being in charge of 23 with upper air to open
min.This kind combination can equally realize that any range flow velocity that accuracy class is 0.1L/min is adjusted.23 quantity is in charge of in air inlet
And each air inlet be in charge of 23 on-off valve 24 open when draft speed can also be other numerical value, can combine according to actual needs
Ventilatory capacity determine.
In the present embodiment, 11 inner wall of burner hearth is equipped with the liner that alumina bubble brick is built by laying bricks or stones, and strong corrosion resistance is good,
Service life is long, can avoid because the strong basicity atmosphere generated in material sintering process is corroded to furnace roof generate fall off, scaling-off feelings
Condition occurs, and improves kiln service life, ensures the degree of purity of sintered material.Above-mentioned alumina bubble brick preferably uses 99%
Alumina bubble brick.Also, thermal insulation material is filled between 11 inner wall of liner and burner hearth, to improve the heat insulating ability of bell-type furnace
Can, it saves energy consumption and reduces production cost.
In the present embodiment, it is preferred that furnace body 1 is the bell-jar structure on grate, and 11 top of burner hearth is arch knot
The medium position of structure, 11 top of burner hearth is provided with exhaust smoke hole, and sintered discharge gas is discharged through exhaust smoke hole, and bottom is using kiln car as travelling oven
Door, kiln car is realized by shear-type elevator to be risen and falls, and kiln car can close burner hearth 11 when rising, and stove is opened when kiln car is fallen
One layer of light fibre blanket is arranged with fire door refractory brick contact portion in thorax 11, kiln car, and material is that alumina content is light higher than 95%
Matter alumina silicate fibre blanket has the characteristics that small unit weight, the good, high temperature resistant of elasticity and compressibility are strong, and when kiln car rises, lightweight is fine
Dimension blanket is compressed, and is played sealing insulating effect well, is prevented high-temperature gas from leaking.
The heating element of bell-type furnace includes more Elemas, and each Elema level runs through burner hearth 11, and all Elemas are equal
It is even to be distributed in burner hearth 11, keep the temperature field branch in burner hearth 11 more uniform, meets the sintering requirement of lithium electricity positive electrode, profit
In raising product quality.The multigroup thermocouple being detected to temperature in burner hearth 11 is also set up, each thermocouple is connected with temperature controller,
The temperature signal that temperature controller receives thermocouple detection controls the heating power of each Elema, and realize to temperature curve it is accurate with
Track.Temperature controller real-time display temperature simultaneously, and scenario earthquake and actual temperature curve can be shown on computers,
Facilitate and understands kiln temperature tracking operating condition.The temperature history of record can be checked, printed or be exported, in monitoring screen
Setting value and actual value can be shown simultaneously.
To improve the automatization level of entire kiln, optimizes human-computer interaction, reduce manual operation, the atmosphere of the utility model
Bell-type furnace is further provided with multiple sub-control systems and a general control system, subsystems（Such as temperature control system, atmosphere control
System processed, kiln car jacking system etc.）It is connected with general control system by common control module, is realized to entire atmosphere bell jar
The synthesis Automatic Control of stove.General control system realizes control function by Siemens S7 series PLC, and can cross Industry Control meter
Calculation machine carries out human-computer interaction, and curing in PLC has through accumulating perfect neural network fuzzy control program, the entire control of kiln for many years
Adjustment process processed controls for computer, after furnace door closes startup program operation, until the end of the program is all not necessarily to people
Intervene.By the graphical interaction interface on host computer, the input and modification of technological parameter can be conveniently realized, and is provided with close
Code defencive function protects technological parameter.Every process curve allows program-controlled section write 30 sections.The process curve of preservation
Quantity is unlimited.Technological parameter has online modification function, and user is without interrupting sintering process, you can online modification is not carried out program
Technological parameter, and according to modified technological parameter run.
Bell-type furnace is also equipped with 11 control pressurer system of burner hearth and oxygen analyzer, control pressurer system pass through atmosphere control system
It realizes that furnace pressure is adjusted with exhaust system coordinated signals, meets needed for different sintering process, furnace pressure adjustable extent reaches ± 1kPa.Oxygen
Analyzer whole process records the size of oxygen content in stove when being sintered.Record data will be stored in industrial control computer.
In addition, bell-type furnace is further provided with perfect safety precautions, including：Elema safeguard protection（When the pendulum of material heap
It is placed in correct range, will not free collision with Elema in lifting process could promote kiln car）, fire door safeguard protection
（It, could startup program heating operation after kiln car and furnace body 1, which completely attach to, to be sealed；When in-furnace temperature goes out furnace temperature less than setting
After degree, kiln car can just be put down）, furnace temperature overtemperature prote（When furnace temperature is higher than safe temperature, automatic pause equipment is run and is reported by program
It is alert）Furnace temperature deviation alarm, atmosphere deviation alarm, furnace pressure alarm and protection, bleed pressure is low and cutout alarm, kiln car promote motor
Overcurrent protection and alarm, have a power failure alarm and protection etc., to improve the stability and reliability of kiln operation.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment.To those of ordinary skill in the art, gained under the premise of not departing from the utility model technical concept
To modifications and variations also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of bell-type furnace, including with burner hearth（11）Furnace body（1）With with burner hearth（11）More than one connected adjustable air intake
Component（2）, it is characterised in that：The adjustable air intake component（2）It is responsible for including outlet end（21）, input end supervisor（22）With it is several
Air inlet is in charge of（23）, the outlet end supervisor（21）With burner hearth（11）Connection, the input end supervisor（22）With more than one gas
Source is connected to, and each air inlet is in charge of（23）Both ends respectively with outlet end be responsible for（21）It is responsible for input end（22）Connection, every air inlet
It is in charge of（23）Equipped with the constant on-off valve of draft speed when opening（24）.
2. bell-type furnace according to claim 1, it is characterised in that：The burner hearth（11）It is divided into the multiple gas controls being sequentially connected
Section, there are two the adjustable air intake components for each gas control section connection（2）, two adjustable air intake components（2）Outlet end supervisor
（21）With burner hearth（11）Communication port be divided into the two lateral walls of gas control section.
3. bell-type furnace according to claim 1, it is characterised in that：The input end supervisor（22）It is connected to multiple air sources,
Each air source is responsible for input end（22）Between pass through an independent air inlet pipe（3）Connection, each air inlet pipe（3）It is controlled equipped with break-make
Valve（4）.
4. bell-type furnace according to claim 1, it is characterised in that：The on-off valve（24）For solenoid electric valve or pneumatically
Control valve.
5. bell-type furnace according to claim 1, it is characterised in that：Each air inlet is in charge of（23）It is additionally provided with detection gas flow velocity
Current meter（25）.
6. bell-type furnace according to any one of claim 1 to 5, it is characterised in that：Several air inlets are in charge of（23）In, have
A piece air inlet is in charge of（23）On-off valve（24）Draft speed is 0.1L/min when opening, and there are two air inlets to be in charge of（23）It is logical
Disconnected valve（24）Draft speed is 0.2L/min when opening, and there is an air inlet to be in charge of（23）On-off valve（24）It ventilates when opening fast
Degree is 0.5L/min, has one and is in charge of with upper air（23）On-off valve（24）Draft speed is 1L/min when opening.
7. bell-type furnace according to any one of claim 1 to 5, it is characterised in that：Several air inlets are in charge of（23）In, have
Nine air inlets are in charge of（23）On-off valve（24）Draft speed is 0.1L/min when opening, has one and is in charge of with upper air（23）
On-off valve（24）Draft speed is 1L/min when opening.
8. bell-type furnace according to any one of claim 1 to 5, it is characterised in that：The burner hearth（11）Inner wall is equipped with
The liner that alumina bubble brick is built by laying bricks or stones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899217.6U CN207975972U (en) | 2017-12-29 | 2017-12-29 | A kind of bell-type furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899217.6U CN207975972U (en) | 2017-12-29 | 2017-12-29 | A kind of bell-type furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975972U true CN207975972U (en) | 2018-10-16 |
Family
ID=63768347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721899217.6U Active CN207975972U (en) | 2017-12-29 | 2017-12-29 | A kind of bell-type furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957192A (en) * | 2017-12-29 | 2018-04-24 | 湖南金炉科技有限责任公司 | A kind of clock hood type furnace |
| CN110205447A (en) * | 2019-07-11 | 2019-09-06 | 长春光华学院 | A kind of heat treatment pressure monitoring device and its application method |
-
2017
- 2017-12-29 CN CN201721899217.6U patent/CN207975972U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957192A (en) * | 2017-12-29 | 2018-04-24 | 湖南金炉科技有限责任公司 | A kind of clock hood type furnace |
| CN110205447A (en) * | 2019-07-11 | 2019-09-06 | 长春光华学院 | A kind of heat treatment pressure monitoring device and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207975972U (en) | A kind of bell-type furnace | |
| CN206256114U (en) | A kind of gas heat treatment furnace cooling intelligence control system | |
| CN110043801A (en) | A kind of crude oil heater and its control system | |
| CN107755220A (en) | A kind of Painting Shop drying system | |
| CN105217932B (en) | A kind of oblique flame combustion method of the polyoxy of Flat Glass Furnace and burner | |
| CN104498058A (en) | Pressure balance control method for coke oven gas collector | |
| CN201863287U (en) | Intelligent curving equipment of quartz ceramic crucible | |
| CN110067942A (en) | A kind of crude oil heater | |
| CN203518572U (en) | High-temperature sintering shuttle kiln for fine fused quartz rolling rods | |
| CN107957192A (en) | A kind of clock hood type furnace | |
| CN102853667A (en) | Method and device for controlling pressure in fire-resistance rating test furnace | |
| CN205313585U (en) | Accurate burning control system of blast funnace hot blast stove | |
| CN205860478U (en) | fuel gas hot-blast stove | |
| CN206131757U (en) | Device of wind -warm syndrome degree is got to stability and improvement kiln hood AQC stove from cooler | |
| CN102865741B (en) | Metal magnesium and calcium reduction furnace thermal storage combustion system and control method thereof | |
| CN2888384Y (en) | Semi-automatic control device for shuttle type kiln | |
| CN209636161U (en) | One drag two positive pressure furnace drying device | |
| CN108050695A (en) | A kind of hot-blast stove of automatic temperature controlling | |
| CN205332783U (en) | Portable many gas circuits box sintering casket -like bowl stove | |
| CN109439345A (en) | One drag two positive pressure furnace drying device | |
| CN206496510U (en) | A kind of temp autocontrolled hot blast furnace apparatus | |
| CN107421324B (en) | A kind of dou-ble-pusher kiln producing ferrovanadium nitride | |
| CN206014653U (en) | A kind of gradual equipment of glass producing system | |
| CN214120105U (en) | Heat accumulating type flue gas heating device | |
| CN108007183A (en) | A kind of catalyst heating special equipment of energy continuous work |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 203-205, Hunan Changyuan Lithium Co., Ltd., No. 18 Lutian Road, Changsha High-tech Development Zone, Hunan Province Patentee after: Hunan golden furnace Polytron Technologies Inc Address before: 410000 No. 18 Lutian Road, Changsha High-tech Development Zone, Hunan Province Patentee before: HUNAN JINLU TECHNOLOGY CO., LTD. |