CN208250359U - A kind of push-down heating furnace - Google Patents
A kind of push-down heating furnace Download PDFInfo
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- CN208250359U CN208250359U CN201820736550.3U CN201820736550U CN208250359U CN 208250359 U CN208250359 U CN 208250359U CN 201820736550 U CN201820736550 U CN 201820736550U CN 208250359 U CN208250359 U CN 208250359U
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Abstract
The utility model discloses a kind of push-down heating furnaces, belong to technical field of heat treatment, including furnace body, refractory lining, heat-resisting alloy roller-way, burner, efficient metal heat exchanger, air blower, temperature measuring equipment, feed space, step device or slope rack, pusher, discharging machine, hydraulic station and control cabinet, its heating furnace is using the combustion system premixed entirely, fuel and air are sufficiently mixed before burner, avoid bring energy waste due to fuel burn incompletely, and blank is fully warmed-up in feed space, and it is sufficiently heated and preheated in furnace body, the waste heat of flue gas is utilized as far as possible, improve fuel availability；It is at an angle mutually that burner is set as cross-wise direction, and hot-fluid heats blank from upper and lower multiple angles, improves the temperature uniformity of blank heating；It is provided with temperature measuring equipment on each section of the top of bell, the temperature of blank can be directly measured, prevent the generation of the accidents such as blank overtemperature, burning.
Description
Technical field
The utility model relates to technical field of heat treatment more particularly to a kind of push-down heating furnaces.
Background technique
Heating furnace is a kind of heating equipment for being widely used in metal material moulding processing, frequently with day when mass production
Perhaps coal gas as fuel heating furnace makes natural gas or coal gas mix with air burning to right gas using burner, with realization to base
Material is heated.
Traditional push-down heating furnace in prior art, it is a kind of using conventional burner, and configure general pulse Combustion System
Mode or ratio combustion control mode, natural gas or coal gas are mixed with air in burner exit, and the recycling of furnace exit gas waste heat is adopted
Air is preheated with tubular heat exchanger.The shortcomings that such mode is: 1, natural gas or coal gas mix with air unevenly,
In combustion process, portion of natural gas or coal gas do not have full combustion, waste fuel；2, it is generated by natural gas or gas-fired
Blank is heated in temperature field, and the diathermanous speed of blank is slow, and a large amount of heat has little time to exchange heat with blank and drain with flue gas, adds
The thermal efficiency is lower；3, single fire mouth power is larger, and flame is more concentrated, and the temperature uniformity of blank heating is poor；Although using
Tubular heat exchanger exchanges heat to the temperature for improving combustion air, but since heat exchange efficiency is lower, a large amount of thermal energy is still
Drain with flue gas, waste fuel, at 800 DEG C of furnace temperature, furnace tail exhaust gas temperature is up to 300 DEG C.
Traditional push-down heating furnace in prior art, another kind uses heat-accumulating burner, and configures heat storage type combustion control
Mode processed, the flue gas in furnace discharges out of the furnace by the ceramic heat storage body in burner, and preheats to ceramic heat storage body, next
Period, natural gas or coal gas commutate respectively with air, natural gas or coal gas mix with air after by the ceramic heat-storing in burner
Body, or only air passes through heat storage, is heated respectively to natural gas, coal gas or air using the high temperature of ceramic heat storage body,
And it is mixed and burned behind burner outlet respectively.The shortcomings that such mode is: 1, natural gas or coal gas mix with air unevenly, combustion
During burning, portion of natural gas or coal gas do not have full combustion, waste fuel；2, the temperature generated by natural gas or gas-fired
Blank is heated in degree field, and the diathermanous speed of blank is slow, and a large amount of heat has little time to exchange heat with blank and drain with flue gas, heats
Efficiency is lower；3, single fire mouth power is larger, and flame is more concentrated, and the temperature uniformity of blank heating is poor；4, ceramics are used
Heat storage exchanges heat as medium, and to improve the temperature of natural gas or coal gas or combustion air, heat exchange efficiency is lower, furnace temperature
At 800 DEG C, furnace tail exhaust gas temperature is up to 100 DEG C.
Traditional push-down heating furnace in prior art, also a kind of full premix combustion mode using lower heating, natural gas
Or coal gas mixes before burner with air, blank is heated in the lower half portion that burner is arranged in heating furnace, such mode
The shortcomings that be: 1, burnt below burner face blank with heat-resisting alloy roller-way, heat supply is more concentrated, the temperature of blank heating
Uniformity is poor；2, it burns below burner face blank with heat-resisting alloy roller-way, heat-resisting alloy roller-way is corroded by heat-flash, is held
The easily-deformable and service life is lower.
Summary of the invention
The utility model provides a kind of push-down heating furnace, it is intended to improve the heating temperature of blank in push-down heating furnace
Uniformity and efficiency of energy utilization improve the heating effect of push-down heating furnace.
Specific technical solution provided by the utility model is as follows:
A kind of push-down heating furnace provided by the utility model include furnace body, refractory lining, heat-resisting alloy roller-way, burner,
Efficient metal heat exchanger, air blower, air-introduced machine, temperature measuring equipment, feed space, step device or slope rack, pusher, discharging
Machine, hydraulic station and control cabinet, wherein the refractory lining and the heat-resisting alloy roller-way are fixedly mounted on the inner cavity of the furnace body
In, the furnace body includes the bell fastened up and down and furnace seat, and the top of the bell is arranged in the temperature measuring equipment, described efficient
Metallic recuperator is mounted on the tail portion of the bell, and the inner cavity of the efficient metal heat exchanger is connected to the inner cavity of the furnace body,
The efficient metal heat exchanger is connected using pipeline with the air blower, the air-introduced machine and the burner；The feed space is set
It sets in the tail portion of the furnace body, the feed space is connected to the inner cavity of the furnace body, and the inner cavity of the feed space is fixedly installed with
The refractory lining is provided with the step device or the slope rack in the feed space；The pusher is located at described
The outside of feed space, the discharging machine are located at the head of the furnace body, and the discharging machine includes clamp, hydraulic cylinder and discharge roller
Road.
Optionally, for the hydraulic station close to the furnace body, the hydraulic station includes fuel tank, hydraulic pump and Hydraulic Elements；Institute
State and be provided with PLC controller, frequency converter control unit in control cabinet, the temperature measuring equipment, the air blower, the air-introduced machine,
The hydraulic pump, the Hydraulic Elements are electrically connected between the PLC controller and the frequency converter control unit respectively.
Optionally, the shape of the bell is round or polygon, the refractory lining and the heat-resisting alloy roller-way
Matching is encircled into a circular cavity, and the cavity is for placing blank.
Optionally, blank described in the burner face is arranged.
It can seem, the burner is located at two sides of the bell, is mutually in the cross-direction between the burner
0 ° ~ 90 ° of angle setting.
Optionally, for the burner using the combustion system premixed entirely, fuel and air are abundant before entering the burner
Mixing.
Optionally, the blank is fully warmed-up in the feed space, and is sufficiently heated and preheated in the furnace body.
The beneficial effects of the utility model are as follows:
The utility model embodiment provides a kind of push-down heating furnace and includes furnace body, refractory lining, heat-resisting alloy roller-way, burns
Mouth, efficient metal heat exchanger, air blower, temperature measuring equipment, feed space, step device or slope rack, pusher, discharging machine, liquid
Pressure station and control cabinet, heating furnace are sufficiently mixed before burner, are avoided using the combustion system premixed entirely, fuel and air
Bring energy waste due to fuel burn incompletely, and blank is fully warmed-up in feed space, and is sufficiently added in furnace body
Heat and preheating, utilize the waste heat of flue gas as far as possible, improve fuel availability；Burner is located at two sides of bell, and
It is at an angle mutually to be set as cross-wise direction, hot-fluid heats blank from upper and lower multiple angles, improves blank and adds
The temperature uniformity of heat；It is provided with temperature measuring equipment on each section of the top of bell, can directly measure the temperature of blank,
The generation of the accidents such as blank overtemperature, burning is prevented.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of side structure schematic view of push-down heating furnace of the utility model embodiment；
Fig. 2 is a kind of cross section structure schematic diagram of push-down heating furnace of the utility model embodiment.
Specific embodiment
It is described in detail below in conjunction with a kind of push-down heating furnace of the Fig. 1 and Fig. 2 to the utility model embodiment.
Referring to fig. 1 and fig. 2, a kind of push-down heating furnace provided by the embodiment of the utility model includes furnace body 1, fire resisting
Furnace lining 2, heat-resisting alloy roller-way 3, burner 5, efficient metal heat exchanger 6, air blower 7, air-introduced machine 8, temperature measuring equipment 9, feed space 10,
Step device 11 or slope rack 12, pusher 13, discharging machine 14, hydraulic station 18 and control cabinet 22, wherein 2 He of refractory lining
Heat-resisting alloy roller-way 3 is fixedly mounted in the inner cavity of furnace body 1, and furnace body 1 includes the bell 1A and furnace seat 1B fastened up and down, aspect furnace
The maintenance of intracorporal refractory lining 2 and heat-resisting alloy roller-way 3；The top of bell 1A is arranged in temperature measuring equipment 9, and temperature measuring equipment 9 is used
In the temperature for directly measuring blank, prevent the generation of the accidents such as blank overtemperature, burning, exemplary, temperature measuring equipment 9 includes infrared
Two kinds of forms of line thermometric or thermocouple temperature measurement.
Efficient metal heat exchanger 6 is mounted on the tail portion of bell 1A, the inner cavity of efficient metal heat exchanger 6 and the inner cavity of furnace body 1
Connection, efficient metal heat exchanger 6 are connected using pipeline with air blower 7, air-introduced machine 8 and burner 5；Feed space 10 is arranged in furnace body 1
Tail portion, feed space 10 is connected to the inner cavity of furnace body 1, and the inner cavity of feed space 10 is fixedly installed with refractory lining 2, in feed space 10
It is provided with step device 11 or slope rack 12；Pusher 13 is located at the outside of feed space 10, and discharging machine 14 is located at the head of furnace body 1
Portion, discharging machine 14 include clamp 15, hydraulic cylinder 16 and delivery roller table 17.
Wherein, the outside of feed space 10 is arranged in pusher 13, for pushing blank to advance along the inner cavity of furnace body.
Referring to fig. 1 and fig. 2, hydraulic station 18 is arranged near furnace body 1 close to furnace body 1, i.e. hydraulic station 18, hydraulic station
18 include fuel tank 19, hydraulic pump 20 and Hydraulic Elements 21；It is provided with PLC controller, frequency converter control unit in control cabinet 22, surveys
Warm device 9, air blower 7, air-introduced machine 8, hydraulic pump 20, Hydraulic Elements 21 respectively with PLC controller and frequency converter control unit it
Between be electrically connected.
Referring to fig. 1 and fig. 2, the shape of bell 1A is round or polygon, refractory lining 2 and heat-resisting alloy roller-way
3, which match, is encircled into a circular cavity, and the cavity is for placing blank 4.
Referring to fig. 1 and fig. 2, bell 1A requires to be divided into each of several sections, bell 1A according to different technique
Two sides of section are provided with multiple rows of burner 5, the equal face blank 4 of every row's burner 5, and are set as in the cross-direction mutual
It is at an angle.Wherein, 5 face blank of burner is arranged, and hot-fluid directly impacts the surface of blank 4, belongs to jet flow and strengthens heating,
Heating efficiency is high.
Referring to fig. 1 and fig. 2, burner 5 is located at two sides of bell 1A, between burner 5 in the cross-direction mutually
It is arranged in 0 ° ~ 90 ° of angles, hot-fluid heats blank from upper and lower multiple angles, and the temperature uniformity of blank heating is good.
Further, burner 5 is sufficiently mixed before entering burner 5 using the combustion system premixed entirely, fuel and air,
Avoid bring energy waste due to fuel burn incompletely.
Further, blank 4 is fully warmed-up in feed space 10, and is sufficiently heated and preheated in furnace body 1, as far as possible
The waste heat of flue gas is utilized.Efficient metal heat exchanger 6 can use high-temperature flue gas and be fully warmed-up combustion air, to recycle heat
Energy.
The utility model embodiment provides a kind of push-down heating furnace and includes furnace body, refractory lining, heat-resisting alloy roller-way, burns
Mouth, efficient metal heat exchanger, air blower, temperature measuring equipment, feed space, step device or slope rack, pusher, discharging machine, liquid
Pressure station and control cabinet, heating furnace are sufficiently mixed before burner, are avoided using the combustion system premixed entirely, fuel and air
Bring energy waste due to fuel burn incompletely, and blank is fully warmed-up in feed space, and is sufficiently added in furnace body
Heat and preheating, utilize the waste heat of flue gas as far as possible, improve fuel availability；Burner is located at two sides of bell, and
It is at an angle mutually to be set as cross-wise direction, hot-fluid heats blank from upper and lower multiple angles, improves blank and adds
The temperature uniformity of heat；It is provided with temperature measuring equipment on each section of the top of bell, can directly measure the temperature of blank,
The generation of the accidents such as blank overtemperature, burning is prevented.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model embodiment.In this way, if these modifications and variations of the utility model embodiment belong to this
Within the scope of utility model claims and its equivalent technologies, then the utility model is also intended to encompass these modification and variations and exists
It is interior.
Claims (7)
1. a kind of push-down heating furnace, which is characterized in that the push-down heating furnace includes furnace body, refractory lining, heat-resisting alloy
Roller-way, burner, efficient metal heat exchanger, air blower, air-introduced machine, temperature measuring equipment, feed space, step device or slope rack push away
Material machine, discharging machine, hydraulic station and control cabinet, wherein the refractory lining and the heat-resisting alloy roller-way are fixedly mounted on described
In the inner cavity of furnace body, the furnace body includes the bell fastened up and down and furnace seat, and the upper of the bell is arranged in the temperature measuring equipment
Side, the efficient metal heat exchanger are mounted on the tail portion of the bell, the inner cavity of the efficient metal heat exchanger and the furnace body
Inner cavity connection, the efficient metal heat exchanger is connected using pipeline with the air blower, the air-introduced machine and the burner；Institute
The tail portion that the furnace body is arranged in feed space is stated, the feed space is connected to the inner cavity of the furnace body, the inner cavity of the feed space
It is fixedly installed with the refractory lining, the step device or the slope rack are provided in the feed space；The pusher
Machine is located at the outside of the feed space, and the discharging machine is located at the head of the furnace body, and the discharging machine includes clamp, hydraulic cylinder
And delivery roller table.
2. push-down heating furnace according to claim 1, which is characterized in that the hydraulic station is described close to the furnace body
Hydraulic station includes fuel tank, hydraulic pump and Hydraulic Elements；PLC controller, frequency converter control unit, institute are provided in the control cabinet
State temperature measuring equipment, the air blower, the air-introduced machine, the hydraulic pump, the Hydraulic Elements respectively with the PLC controller and
It is electrically connected between the frequency converter control unit.
3. push-down heating furnace according to claim 1, which is characterized in that the shape of the bell is round or polygon
Shape, the refractory lining and heat-resisting alloy roller-way matching are encircled into a circular cavity, and the cavity is for placing base
Material.
4. push-down heating furnace according to claim 3, which is characterized in that the setting of blank described in the burner face.
5. push-down heating furnace according to claim 4, which is characterized in that the burner is located at two sides of the bell
Face is mutually arranged between the burner in the cross-direction in 0 ° ~ 90 ° of angle.
6. push-down heating furnace according to claim 4, which is characterized in that the burner is using the burning side premixed entirely
Formula, fuel and air are sufficiently mixed before entering the burner.
7. push-down heating furnace according to claim 4, which is characterized in that the blank is sufficiently pre- in the feed space
Heat, and sufficiently heated and preheated in the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820736550.3U CN208250359U (en) | 2018-05-17 | 2018-05-17 | A kind of push-down heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820736550.3U CN208250359U (en) | 2018-05-17 | 2018-05-17 | A kind of push-down heating furnace |
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| Publication Number | Publication Date |
|---|---|
| CN208250359U true CN208250359U (en) | 2018-12-18 |
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ID=66481707
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820736550.3U Active CN208250359U (en) | 2018-05-17 | 2018-05-17 | A kind of push-down heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444126A (en) * | 2020-12-10 | 2021-03-05 | 广东朗盾科技有限公司 | Premixing type heating furnace |
-
2018
- 2018-05-17 CN CN201820736550.3U patent/CN208250359U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444126A (en) * | 2020-12-10 | 2021-03-05 | 广东朗盾科技有限公司 | Premixing type heating furnace |
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