CN103757192B - Residual heat utilizing pusher furnace - Google Patents
Residual heat utilizing pusher furnace Download PDFInfo
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- CN103757192B CN103757192B CN201410062519.2A CN201410062519A CN103757192B CN 103757192 B CN103757192 B CN 103757192B CN 201410062519 A CN201410062519 A CN 201410062519A CN 103757192 B CN103757192 B CN 103757192B
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Abstract
The invention discloses a residual heat utilizing pusher furnace. The residual heat utilizing pusher furnace comprises a furnace body, wherein a feeding gate and a discharging gate are arranged at the front end of the furnace body, an out-of-furnace translation device is arranged in front of the furnace body, a pre-heating and cooling chamber is formed in the inner front part of the furnace body, two parallel material channels are arranged in the middle of the furnace body, an in-furnace translation channel is arranged at the tail part of the furnace body, the pre-heating and cooling chamber and the in-furnace translation channel are respectively communicated with the front ends and the rear ends of the two material channels, conveying rollers are arranged in the pre-heating and cooling chamber and the material channels, an in-furnace translation mechanism is arranged in the in-furnace translation channel, a front pusher and a discharging mechanism are arranged at the front end of the out-of-furnace translation device, a rear pusher is arranged at the rear of the furnace body, and a push rod of the pusher extends into the furnace body. The residual heat utilizing pusher furnace has the benefits that technical problems in the prior art, such as large occupying area of the furnace body, difficulty in material box return, low energy utilization rate and severe operating environments are effectively solved, experimental accounting shows that energy is saved by about 35% in comparison with the prior art, the structure is simple, and the operation is convenient.
Description
Technical field
The present invention relates to a kind of pusher furnace with UTILIZATION OF VESIDUAL HEAT IN, belong to thermal treatment process field.
Background technology
At present, domestic pusher furnace many employings in-line structure, namely the input and output material of equipment is at body of heater two ends; The cooling room being generally provided with workpiece at discharge end cools workpiece, facilitates artificial blanking.If need to send material frame back to feed end, also need configuration one jacking frame gigback.Such structure has number of drawbacks; Such as: first occupation area of equipment is comparatively large, and the side of equipment need arrange independent material frame recovering mechanism; Its subjob tapping temperature higher (generally at about 550 DEG C), utilize blower fan to take away large energy to after its cooling with waste gas, energy utilization rate is low, and waste is serious; 3rd, because workpiece tapping temperature is higher, cause discharge end place envrionment temperature very high; Cause workshop condition severe, very unfavorable to operator's health.
Summary of the invention
The object of this invention is to provide a kind of pusher furnace with UTILIZATION OF VESIDUAL HEAT IN, solve that body of heater floor space in prior art is large, material frame returns difficulty, energy utilization rate is low and the technical problem of severe operational environment.
For solving the problem, the technical solution used in the present invention is:
A kind of pusher furnace with UTILIZATION OF VESIDUAL HEAT IN, comprise body of heater, described body of heater front end arranges feeding gate and discharge door, the front of body of heater arranges the outer translating device of stove, in body of heater, front portion arranges preheating cooling room, middle part arranges two parallel material channels along the direction of body of heater length, afterbody arranges translation passage in stove, described preheating cooling room is communicated with the front-end and back-end of two material channels respectively with translation passage in stove, in described preheating cooling room and material channel, conveying roller is set, in stove, in translation passage, translation mechanism in stove is set, in described stove, translation mechanism two ends are arranged on the rear of conveying roller, the outer translating device front end of described stove arranges front pushing device and discharging mechanism, the rear of body of heater arranges rear pushing device, pusher travelling bar to extend in body of heater and higher than conveying roller, described front pushing device is just arranged feeding gate, described discharging mechanism, discharge door and rear pushing device are arranged on same sea line,
Two described material channel inwalls all arrange the first air channel, be communicated with bottom material channel bottom the first described air channel, and the first heating unit is set in the first air channel, the top of two described material channels all arranges the first recirculation blower, the blade of the first recirculation blower is arranged in the first air channel, and first air channel at the first recirculation blower blade place place communicates with material channel top;
In described stove, translation channel roof arranges the second recirculation blower, in stove, the inwall of translation passage arranges the second air channel and arranges the second heating unit in the second air channel, the blade of the second recirculation blower is arranged in the second air channel, the bottom in the second air channel is communicated with translation channel bottom in stove, and second air channel at the second recirculation blower blade place place communicates with translation channel roof in stove;
The side at its top feed door place of described preheating cooling room arranges three-circulation wind machine, described preheating cooling room inwall arranges the 3rd air channel, the blade of three-circulation wind machine is arranged in the 3rd air channel, the 3rd described air channel is two-layer for what be communicated with up and down in the blade punishment of the 3rd blower fan, 3rd one end, air channel on upper strata extends to the side at discharge door place along preheating cooling room inwall, all communicate with preheating cooling room with sidepiece bottom it, the other end is closed, the 3rd one end, air channel of lower floor is along preheating cooling room inwall to downward-extension, its bottom and sidepiece all communicate with preheating cooling room, the other end is closed.
The present invention is by arranging two parallel material channels, the rear portion of material channel communicates, and translation mechanism in stove is set, material can be entered in stove from opening for feed heat-treat, and change direction by translation mechanism in stove, thermal treatment is proceeded in another one material channel, two material channels be arranged in parallel and make to take the shape of the letter U in the pusher furnace of whole band UTILIZATION OF VESIDUAL HEAT IN, ensureing under the material prerequisite that heat treatment time is constant in the pusher furnace of band UTILIZATION OF VESIDUAL HEAT IN, shorten the length of the pusher furnace of band UTILIZATION OF VESIDUAL HEAT IN greatly, reduce the floor space of the pusher furnace of band UTILIZATION OF VESIDUAL HEAT IN, the front of the pusher furnace with UTILIZATION OF VESIDUAL HEAT IN arranges the outer translating device of stove, after making in discharge port material frame out material take out, material frame conveniently can be delivered to discharge port, what achieve material frame returns recycling, communicate with the bottom of translation passage in material channel and stove respectively bottom air channel in the present invention in material channel and stove in translation passage, and the blade of recirculation blower is arranged in air channel, make the flow direction of the air-flow in air channel pass downwardly through translation channel bottom in material channel and stove along air channel and upwards also again enter air channel by material again, realize the circulation of air, owing to arranging heating unit in air channel, so the gas flow temperature in air channel is higher, gas flow temperature after material thermal treatment is reduced relatively, after heating unit in air channel, temperature raises again again, circulation like this is heat-treated material, due to the air-flow by material, temperature is higher all the time, so ideal to the heat treated effect of material, because the temperature of charge just entered in body of heater is lower, and the temperature of charge of discharging is higher, in preheating cooling room, the structure in air channel makes the flow direction of air-flow in it can only be flow to feeding gate side from discharge door side, flow to circulating of discharge door side again, thus take discharge door side to feeding gate side through the energy of heat treated workpiece preheating is carried out to the material just entering body of heater, not only achieve and cool through heat treated high temperature workpiece, achieve again and carry out preheating to just entering cold workpiece in body of heater, realize making full use of of energy in thermal treatment, after heat treated work-piece cools, temperature reduces, so the temperature that workpiece is come out of the stove is not too hot relatively, so the temperature of discharge outlet is not too high relatively yet, whole workshop condition temperature is relatively not high yet, comfort level when operator operates also improves relatively.
As a further improvement on the present invention, the preheating cooling room of discharge door side and material channel connectivity part arrange intervening vaive.This intervening vaive promotes to open when material frame moves forward at rear pushing device, and rear pushing device push rod retrusive is closed, and further reduces the scattering and disappearing by discharge door of energy, save energy resource.
As a further improvement on the present invention, in described stove, translation mechanism is two chains be arranged in parallel driven by the first drive-motor be arranged on outside body of heater, and described chain top flushes with the top of conveying roller.Adopt chain that material frame is transported to the other end from conveying roller on one side, conveying continuity is better, and chain is metal makes, and heat-resisting ability is strong, is adapted at using in body of heater.
Further improve as of the present invention, two chains be arranged in parallel that the outer translating device of described stove comprises support and driven by the second drive-motor, the position that described cradle top is corresponding with feeding gate and discharge door respectively arranges two row's balls, and described chain and the top of ball flush with the top of conveying roller.
In sum, the invention has the beneficial effects as follows: effective solve that body of heater floor space in prior art is large, material frame returns difficulty, energy utilization rate is low and the technical problem of severe operational environment, adjust through experiment, the present invention is prior art saving energy 35% comparatively, and structure of the present invention is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
The pusher furnace of band UTILIZATION OF VESIDUAL HEAT IN as shown in Figures 1 to 4, comprise body of heater 5, described body of heater 5 front end arranges feeding gate 15 and discharge door 14, the front of body of heater 5 arranges the outer translating device 10 of stove, in body of heater 5, front portion arranges preheating cooling room 4, middle part arranges two parallel material channels along the direction of body of heater 5 length, afterbody arranges translation passage in stove, described preheating cooling room 4 is communicated with the front-end and back-end of two material channels respectively with translation passage in stove, in described preheating cooling room 4 and material channel, conveying roller is set, in stove, translation mechanism 6 in stove is set in translation passage, in described stove, translation mechanism 6 two ends are arranged on the rear of conveying roller, outer translating device 10 front end of described stove arranges front pushing device 1 and discharging mechanism 12, the rear of body of heater 5 arranges rear pushing device 11, the push rod of pushing device 11 to extend in body of heater 5 and higher than conveying roller, described front pushing device 1 is just arranged feeding gate 15, described discharging mechanism 12, discharge door 14 and rear pushing device 11 are arranged on same sea line, two described material channel inwalls all arrange the first air channel 16, be communicated with bottom material channel bottom the first described air channel 16, and the first heating unit 8 is set in first air channel 16, the top of two described material channels all arranges the first recirculation blower 17, the blade of the first recirculation blower 17 is arranged in the first air channel 16, and first air channel 16 at the first recirculation blower 17 blade place place communicates with material channel top, in described stove, translation channel roof arranges the second recirculation blower 18, in stove, the inwall of translation passage arranges the second air channel 19 and arranges the second heating unit 20 in the second air channel 19, the blade of the second recirculation blower 18 is arranged in the second air channel 19, the bottom in the second air channel 19 is communicated with translation channel bottom in stove, and second air channel 19 at the second recirculation blower 18 blade place place communicates with translation channel roof in stove, the side at its top feed door 15 place of described preheating cooling room 4 arranges three-circulation wind machine 2, described preheating cooling room 4 inwall arranges the 3rd air channel 3, the blade of three-circulation wind machine 2 is arranged in the 3rd air channel 3, the 3rd described air channel 3 is two-layer for what be communicated with up and down in the blade punishment of the 3rd blower fan 2, 3rd one end, air channel 3 on upper strata extends to the side at discharge door 14 place along preheating cooling room 4 inwall, all communicate with preheating cooling room 4 with sidepiece bottom it, the other end is closed, the 3rd one end, air channel 3 of lower floor is along preheating cooling room 4 inwall to downward-extension, its bottom and sidepiece all communicate with preheating cooling room 4, the other end is closed.In the present invention, the preheating cooling room 4 of discharge door 14 side and material channel connectivity part arrange intervening vaive 13, and described intervening vaive 13 is driven to move up and down by cylinder (not shown) and realizes it and open and close.
In foregoing stove, translation mechanism 6 is two chains be arranged in parallel driven by the first drive-motor 9 be arranged on outside body of heater 5, and described chain top flushes with the top of conveying roller.Two chains be arranged in parallel that the outer translating device 10 of described stove comprises support 10-1 and driven by the second drive-motor 21, the position that described support 10-1 top is corresponding with feeding gate 15 and discharge door 14 respectively arranges two row's balls, and described chain and the top of ball flush with the top of conveying roller.
In the present invention, the course of conveying of material is: on conveying roller, put material placing casing, the quantity of material frame meets and can be covered with conveying roller, material to be placed in the material frame on ball by operator at feeding gate 15 place, the material frame holding material promotes by front pushing device 1 in body of heater, each material frame close contact, the material frame in front promotes material frame below backward, after on the chain that the rearmost material frame in feeding gate 15 side is pulled to translation mechanism 6 in stove, material frame is delivered to discharge door 14 side by the first drive-motor 9 chain drive-belt, and (to discharge door direction) promotion forward under the promotion of rear pushing device 11, the material frame at discharge door 14 place is pushed out discharge door 14 on the ball of outer translating device 10 top discharge door 14 side of stove, and continued to be pushed forward on discharging mechanism 12, operator take off the material in material frame, and material frame is placed on the chain of the outer translating device 10 of stove, by sky, chain is driven by the second drive-motor 21 expects that frame is delivered to discharge door 14 side, staff putting into pending material in sky material frame, circulate above-mentioned process.
The flow direction of the air-flow in the present invention in material channel is: the first heating unit 8 produces heat, open the first recirculation blower 17, blade due to the first recirculation blower 17 is arranged in the first air channel 16, so the air-flow in the first air channel 16 is blowed to first air channel 16 on blade both sides by the first recirculation blower 17, again because add the first heating unit 8 in the first air channel 16 to produce heat, heat with air-flow along the first air channel 16 to the flows of material channel, after the heating material in material channel, heat reduces relatively, then upwards the first air channel 16 is again entered by the top of material channel, realize the circulation of air-flow in the first air channel 16.In two material channels be arranged in parallel the first air channel 16, first blower fan 17 arrange identical, therefore circulations of air-flow are also identical in both, specifically anticipate as shown by the arrows in Figure 3.
The flow direction of the air-flow in the present invention in stove in translation passage is similar to the air flow direction in material channel, and both differences are only length comparatively first air channel 16 length in the second air channel 19, and specifically anticipate as shown by the arrows in Figure 4, it will not go into details herein.
In the present invention, the flow direction of preheating cooling indoor air flow is: because higher through heat treated temperature of charge near discharge door 14 side, air channel 3, upper strata the 3rd one side closed, air-flow one end along the 3rd air channel 3 towards discharge door 14 1 side opening can only be blown by the 3rd blower fan 2, air-flow is passing through after heat treated material, it is cooled, air-flow self-temperature raises and flows to temperature relatively low feeding gate 15 side simultaneously, preheating is carried out to without heat treated material by during this side, the temperature of this province of air-flow reduces relatively, and upwards flowed by the 3rd air channel 3 of this side, again enter at the blade place of the 3rd blower fan 2 in the 3rd air channel 3 of last layer, reach the circulation of air-flow in the 3rd air channel 3.In preheating cooling room, temperature of charge after Overheating Treatment is reduced relatively, and relatively raise through preheating temperature without heat treated temperature of charge, not only achieve heat exchange between the two, reduce the waste of energy, saved the energy, and be not too high relatively from the temperature of charge that discharge door 14 exports, the envrionment temperature at discharge door 14 place also hinge structure is effectively reduced, and the operating environment of staff is ideal.
In the present invention, preheating cooling room 4 arranges intermediate gate 13 with the material channel connectivity part of discharge door side, because front pushing device 1 and rear pushing device 11 are interval when pushing away feeding frame, discontinuous, the contraction of its push rod realizes the propelling movement to material frame, when rear pushing device 11 push rod shrinks, not driven forward material frame, now promote intermediate gate 13 by cylinder (not shown) to close, to shed body of heater through discharge door to reduce energy, thus the loss of the energy caused improve the temperature of operating environment, further conserve energy, when rear pushing device 11 driven forward material frame, promote intermediate gate 13 by cylinder (not shown) again to open, ensure that material frame can pass through smoothly.
Adopt a set of PLC Intelligent programmable controller to carry out action command control to the present invention in the present invention, all actions complete automatically, and this part is prior art, and do not belong to the content of the present invention's protection, this specification sheets will not describe in detail.
The part be not specifically noted in all specification sheetss of the present invention, as heating unit etc., is prior art, or can be realized by prior art.And described in the present invention, concrete case study on implementation is only better case study on implementation of the present invention, is not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, all should as technology category of the present invention.
Claims (4)
1. the pusher furnace with UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: comprise body of heater (5), described body of heater (5) front end arranges feeding gate (15) and discharge door (14), the front of body of heater (5) arranges the outer translating device (10) of stove, body of heater (5) interior front portion arranges preheating cooling room (4), middle part arranges two parallel material channels along the direction of body of heater (5) length, afterbody arranges translation passage in stove, described preheating cooling room (4) is communicated with the front-end and back-end of two material channels respectively with translation passage in stove, in described preheating cooling room (4) and material channel, conveying roller is set, in stove, translation mechanism in stove (6) is set in translation passage, in described stove, translation mechanism (6) two ends are arranged on the rear of conveying roller, outer translating device (10) front end of described stove arranges front pushing device (1) and discharging mechanism (12), the rear of body of heater (5) arranges rear pushing device (11), the push rod of rear pushing device (11) to extend in body of heater (5) and higher than conveying roller, described front pushing device (1) is just arranged feeding gate (15), described discharging mechanism (12), discharge door (14) and rear pushing device (11) are arranged on same sea line,
Two described material channel inwalls all arrange the first air channel (16), described bottom, the first air channel (16) is communicated with bottom material channel, and the first heating unit (8) is set in the first air channel (16), the top of two described material channels all arranges the first recirculation blower (17), the blade of the first recirculation blower (17) is arranged in the first air channel (16), and first air channel (16) at the first recirculation blower (17) blade place place communicates with material channel top;
In described stove, translation channel roof arranges the second recirculation blower (18), in stove, the inwall of translation passage arranges the second air channel (19) and arranges the second heating unit (20) in the second air channel (19), the blade of the second recirculation blower (18) is arranged in the second air channel (19), the bottom in the second air channel (19) is communicated with translation channel bottom in stove, and second air channel (19) at the second recirculation blower (18) blade place place communicates with translation channel roof in stove;
The side at its top feed door (15) place of described preheating cooling room (4) arranges three-circulation wind machine (2), described preheating cooling room (4) inwall arranges the 3rd air channel (3), the blade of three-circulation wind machine (2) is arranged in the 3rd air channel (3), the 3rd described air channel (3) is two-layer for what be communicated with up and down in the blade punishment of the 3rd blower fan (2), 3rd air channel (3) one end on upper strata extends to the side at discharge door (14) place along preheating cooling room (4) inwall, all communicate with preheating cooling room (4) with sidepiece bottom it, the other end is closed, the 3rd air channel (3) one end of lower floor is along preheating cooling room (4) inwall to downward-extension, its bottom and sidepiece all communicate with preheating cooling room (4), the other end is closed.
2. the pusher furnace of band UTILIZATION OF VESIDUAL HEAT IN according to claim 1, is characterized in that: the preheating cooling room (4) of discharge door (14) side and material channel connectivity part arrange intervening vaive (13).
3. the pusher furnace of band UTILIZATION OF VESIDUAL HEAT IN according to claim 1, it is characterized in that: in described stove, translation mechanism (6) is that described chain top flushes with the top of conveying roller by two chains be arranged in parallel being arranged on body of heater (5) the first drive-motor (9) outward and driving.
4. the pusher furnace of band UTILIZATION OF VESIDUAL HEAT IN according to claim 1, it is characterized in that: two chains be arranged in parallel that the outer translating device (10) of described stove comprises support (10-1) and driven by the second drive-motor (21), the position corresponding with feeding gate (15) and discharge door (14), described support (10-1) top respectively arranges two row's balls, and described chain and the top of ball flush with the top of conveying roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062519.2A CN103757192B (en) | 2014-02-24 | 2014-02-24 | Residual heat utilizing pusher furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062519.2A CN103757192B (en) | 2014-02-24 | 2014-02-24 | Residual heat utilizing pusher furnace |
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| CN103757192A CN103757192A (en) | 2014-04-30 |
| CN103757192B true CN103757192B (en) | 2015-06-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105967497A (en) * | 2016-07-11 | 2016-09-28 | 廖仲明 | Continuous hot-melting production line of glass |
| CN107794360B (en) * | 2017-11-23 | 2023-08-01 | 浙江中达新材料股份有限公司 | Heat treatment equipment for TP410 seamless tube |
| CN109341349B (en) * | 2018-11-15 | 2023-12-05 | 重庆长江造型材料（集团）股份有限公司 | Roasting furnace |
| WO2022110161A1 (en) * | 2020-11-30 | 2022-06-02 | 苏州中门子工业炉科技有限公司 | Heat shifting apparatus for forging waste heat of wear-resistant steel ball |
| CN112501421B (en) * | 2020-11-30 | 2022-05-17 | 苏州中门子工业炉科技有限公司 | Heat treatment process for wear-resistant steel ball by using wear-resistant steel ball forging waste heat |
| WO2022110164A1 (en) * | 2020-11-30 | 2022-06-02 | 苏州中门子工业炉科技有限公司 | Heat treatment process for wear-resistant steel balls performed with residual heat from forging wear-resistant steel balls |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100463980C (en) * | 2006-08-22 | 2009-02-25 | 杭州金舟电炉有限公司 | Double layer roller bottom type continuous spheroidizing annealing furnace |
| CN201169605Y (en) * | 2007-12-31 | 2008-12-24 | 南京长江工业炉科技有限公司 | Mobile chamber type annealing stove |
| CN202509108U (en) * | 2012-04-18 | 2012-10-31 | 长春一汽嘉信热处理科技有限公司 | Push rod type bright annealing furnace |
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Address after: 210059 No. 2, Bajie, Jing'an Town, Qixia District, Nanjing City, Jiangsu Province Patentee after: Nanjing Changjiang Industrial Furnace Technology Group Co., Ltd. Address before: 210059 No. 2, Bajie, Jing'an Town, Qixia District, Nanjing City, Jiangsu Province Patentee before: Nanjing Changjiang Industrial Furnace Technology Co.,Ltd. |
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