CN200941000Y - Heat-retaining and burning car-type heating furnace - Google Patents
Heat-retaining and burning car-type heating furnace Download PDFInfo
- Publication number
- CN200941000Y CN200941000Y CN 200620123848 CN200620123848U CN200941000Y CN 200941000 Y CN200941000 Y CN 200941000Y CN 200620123848 CN200620123848 CN 200620123848 CN 200620123848 U CN200620123848 U CN 200620123848U CN 200941000 Y CN200941000 Y CN 200941000Y
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Abstract
The utility model relates to a regenerating combustion trolley heater, comprising a body, a main pipe for air supply, a main pipe for exhausting smoke and a main pipe for gas. On the body are arranged a gas channel and an air channel which communicate from inside to outside of the body and connect separately to the main pipe for air supply, the main pipe for exhausting smoke and the main pipe for gas outside of the body; at the inner end of the gas channel and the air channel is arranged a diversion trench commonly used by the air and the gas. The utility model is characterized in that the heater also comprises a regenerating burner connected with the gas channel on the body; an interface of the regenerating burner is connected with the outer end of the air channel; the other interface of the regenerating burner is connected with the main pipe for air supply and the main pipe for exhausting smoke by means of a three way directional control valve; a quick-action valve is serially connected between the outer end of the gas channel and the main pipe for gas. The utility model adopting the above technical proposal achieves high production efficiency, high quality workpieces, low energy consumption and safe, intelligent operation.
Description
Technical field
The utility model relates to a kind of chassis heating furnace, specifically is a kind of Heat-retaining and burning car-type heating furnace.Be mainly used in metallurgy, machinery or relevant industries to the workpiece heat treated.
Background technology
Traditional car type furnace adopts following combustion system: air directly and after the coal gas blending sprays into the burner hearth internal combustion without preheating in burner.Its flame forms bigger thermograde easily, causes temperature field in furnace inhomogeneous, and is slower at the high temperature section programming rate.In addition, high-temperature flue gas is taken away a large amount of waste heats through directly discharging after the furnace bottom passage limited cooling, and some unburnt harmful substances are wherein also arranged, the consequence that causes not only contaminated environment but also waste energy.Thereby the production run of this car type furnace certainly exists the shortcoming of not environmental protection of high energy consumption poor efficiency.
Summary of the invention
The purpose of this utility model just provides a kind of Heat-retaining and burning car-type heating furnace, for solve high energy consumption that prior art exists, poor efficiency, not environmental protection problem.
In order to achieve the above object, the technical scheme that the utility model is taked is: comprise body of heater, chassis, air feed system, smoke evacuation system, coal gas system and heat-accumulating burner, chassis is loaded on the bottom of the burner hearth in the body of heater, gas passage that is interlinked to the outside on body of heater, being provided with and air duct and respectively with body of heater outside air feed system, smoke evacuation system and coal gas system connect, be provided with air and the shared guiding gutter of coal gas in the inner of gas passage and air duct, the inner of heat-accumulating burner is connected with the outer end of described air duct, and the outer end of heat-accumulating burner is connected with the smoke evacuation house steward with described air feed house steward by three-way diverter valve; Connect between gas passage outer end and the gas main and one cut valve soon.
Many group gas passages and air duct and connected valve, heat-accumulating burner and the three-way diverter valve cut soon respectively are set in the both sides of body of heater.
Described heat-accumulating burner is by housing and place the accumulation of heat bead in it to constitute, and the liner of housing is for watering material feeding and fiberboard, at the top of housing with the side is respectively equipped with the bead filler and bead unloads outlet.
Described reversal valve and cut valve soon and be pneumatic operated valve is by air cylinder driven.
Also comprise control device, comprise temperature sensor, pressure sensor, flow sensor, various control valve, PLC (English full name Programmable Logic Controller, programmable controller) system, temperature sensor, pressure sensor, flow sensor are connected with the respective input of PLC, the PLC system is used for the detection of the various live signals of heating furnace (temperature, pressure, flow etc.), and the aperture of the various control valves of output control; The action that the PLC system is used to control reversal valve and cut valve soon is to realize reversing combustion; Temperature sensor is located in the connecting pipe of smoke evacuation house steward, heat-accumulating burner respectively, furnace roof and furnace side, is used to detect exhaust gas temperature and each point furnace temperature; Pressure sensor is located at air duct, gas piping and furnace roof, is used to detect air pressure, gas pressure, furnace pressure; Various control valves are located at air duct, gas piping and smoke discharging pipe respectively, are used to regulate air, coal gas and smoke evacuation flow; The PLC system in time adjusts the space gas flow according to manufacturing technique requirent, and parameters such as exhaust valve aperture realize the automation and the high efficiency of stove operation.
The utility model takes one-sided burning offside smoke evacuation, both sides to replace the mode of reversing combustion/smoke evacuation, thereby guarantees that burner hearth is in the state of continous-stable burning on the whole.On the one hand by PLC control reversal valve, soon cut valve action and and then realize reversing combustion, detect furnace temperature, furnace pressure, exhaust gas temperature by PLC system and each sensor on the other hand, and in time adjust the space gas flow according to manufacturing technique requirent, parameters such as exhaust valve aperture realize the automation high efficiency that stove is produced.
When the stove exhaust gas temperature exceeds standard, the PLC system can report to the police automatically and also accelerate commutating frequency to reduce exhaust gas temperature; When reversal valve and cut valve soon and break down, the PLC system can report to the police and the trouble point and the failure cause of announcements automatically, can reset after taking measures to remove fault with recovery normal commutation state.The PLC system can report to the police and take corresponding effective measures to guarantee the security of stove production process automatically when unusual when sky/coal gas or compressed air pressure occur.
Reversal valve takes pneumatic two-bit triplet magnetic valve to promote the rotary cylinder work in order to realize the conversion of air feed state and smoke evacuation state.Cutting valve soon also takes pneumatic two-bit triplet magnetic valve to promote the Direct Travel cylinder to realize the on off operating mode of coal gas.
The utlity model has following advantage:
1. produce high-effect: cold air, mixes the back and fully burns the burner hearth quick heating fast with coal gas in entering stove near furnace temperature through temperature behind the heat-accumulating burner, the fire box temperature field is even, and the high temperature section operational effect is better, improves heating efficiency greatly, shorten heating cycle, improved prouctiveness.
2. workpiece is high-quality: because the high efficiency of burning can reduce wind supply quantity as much as possible, reduce the surface of the work oxidization burning loss, the uniformity of temperature field in furnace has also been guaranteed the whole machine balancing uniformity of workpiece heating, thereby has improved the quality of heated parts.
3. energy low consumption: high-temperature flue gas is passed to cold air by heat-accumulating burner with most heats, has significantly reduced heat loss due to exhaust gas; And, reduce excess air loss on heating because the high efficiency of burning can reduce excess air coefficient as much as possible; When reducing all kinds of heat loss, just improve furnace thermal efficiency, greatly reduced the gas consumption amount equally.
4. handling safety intellectuality: can carry out remote real-time monitoring very intuitively by control device to stove production process and every operational factor, break down and to report to the police and emergency processing is done in some accident.Strengthen efficient administration like this, saved human resources, ensured production security.
Description of drawings
Fig. 1 is the positive general structure cross-sectional schematic of the utility model embodiment;
Fig. 2 is left view or the right view of Fig. 1;
Fig. 3 is the working state schematic representation of the burning of the utility model left side, right side smoke evacuation;
Fig. 4 is the working state schematic representation of the burning of the utility model right side, left side smoke evacuation;
Fig. 5 is the structural representation of the utility model switching valve embodiment, and wherein (a) figure is the air intake fired state, and (b) figure is the smoke evacuation state;
Fig. 6 is the structural representation that the utility model is cut valve embodiment soon, and wherein (a) figure is a conducting state, and (b) figure is a closed condition;
Total system pie graph when Fig. 7 is the utility model application;
Fig. 8 is the formation schematic diagram of control device of the present utility model.
The specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 7, the utility model embodiment comprises body of heater 8, air feed house steward 4, heat-accumulating burner 1, smoke evacuation house steward 5 and gas main 6, gas passage 9 that is interlinked to the outside in the both sides of body of heater 8 are respectively equipped with and air duct 11 are provided with air and the shared guiding gutter of coal gas in the inner of gas passage 9 and air duct 11.An interface of heat-accumulating burner 1 is connected with the outer end of described air duct 9, and another interface of heat-accumulating burner 1 is connected with smoke evacuation house steward 5 with described air feed house steward 4 by three-way diverter valve 2; Between the outer end of described gas passage 11 and gas main 6, connect and one cut valve 3 soon.Chassis 12 is equipped with in the bottom of the burner hearth 13 in body of heater 8.Cut valve 3 and three-way diverter valve 2 soon by air cylinder driven, and be connected (referring to Fig. 7) with compressed air piping 18 by gas circuit control device 17.
A large amount of beads are equipped with in heat-accumulating burner 1 inside, and liner is for watering material feeding and fiberboard.Bead filler 14 is arranged at the top, and the side has bead to unload outlet 15, can clear up and change bead easily.The specific area of bead can reach 250m
2/ m
3Numerous beads is divided into very little gas channel with air-flow, when gas flows through, form strong turbulent region, the coefficient of heat transfer is strengthened greatly, sphere diameter is little in addition, density is big, specific heat capacity is big, and thermal conductivity factor is big, makes bead can absorb (chance high-temperature flue gas) or discharge (when meeting cold air) a large amount of heats in the short commutation cycle (approximately 1-2 minute).In general, only differ about 100 ℃ through hot air temperature and chamber flue gas temperature behind the heat-accumulating burner, temperature efficiency is up to more than 85%; Can reduce to below 150 ℃ through the exhaust gas temperature behind the heat-accumulating burner.
Referring to Fig. 3 and Fig. 4, heat-accumulating burner 1 of the present utility model, reversal valve 2 and cut the three big key elements of valve 3 threes soon: coal gas with burner hearth burning, air, smoke evacuation organically integrates, can provide and manually or automatically control the operation of harmonious orderly ground, realize the alternately function of reversing combustion of stove both sides heat-accumulating burner 1, (air enters burner hearth 13 after entering corresponding heat-accumulating burner 1 preheating by reversal valve 2 when promptly burning in the left side, coal gas enters the burner hearth burning by cutting valve 3 soon simultaneously, as shown in Figure 3), the valve 3 of cutting soon on right side cuts out, and the flue gas in the burner hearth is discharged from smoke evacuation house steward 5 by corresponding heat-accumulating burner 1 cooling back; Right side burning subsequently, the left side smoke evacuation, (as shown in Figure 4) is so alternately reciprocal, thereby has guaranteed the steady and continuous operation of stove integral body.
Referring to Fig. 5, reversal valve 2 of the present utility model adopts our company's patented product, comprise shell 21, butterfly plate 22 and rotating shaft 23, shell 21 is provided with three interfaces, one side of butterfly plate 22 is connected rotating shaft 23, rotating shaft 23 sealed rotational pass shell 21, and connect with driving mechanism (rotation cylinder, not shown).Can realize frequently and apace commutating, the realization switching motion is finished in 2～3 seconds, can realize the commutation cycle up to 120 times in one hour.Its compact conformation, stable working is reliable, safeguards simple and convenient.
Referring to Fig. 6, cut the product that valve 3 adopts our company's development soon, constitute by shell 31, valve seat 32 flaps 33 and valve rod 34, driving mechanism is a cylinder 35.During work and reversal valve interlock, realize frequently and apace break-make of coal gas.It has compact conformation equally, and stable working is reliable, safeguards advantage simply and easily.
Referring to Fig. 7 and Fig. 8, reversal valve 2 of the present utility model reaches the action of cutting valve 3 soon and is controlled by PLC, and overtemperature alarm is also adjusted a series of functions such as commutating period automatically.Same burner 1 is cut valve 3 soon being gone to smoke evacuation state always first turn out the gas of moment by fired state, again reversal valve 2 is switched to the smoke evacuation state.Always earlier reversal valve 2 is switched to the air feed state being gone to fired state moment by the smoke evacuation state on the contrary, turn on the gas is cut valve 3 soon again.It is wrong to occur certain valve event in commutation process, and control system can be cut valve soon with coal gas immediately and be placed closed condition, and reversal valve places the air feed state, takes place to prevent accident to leak the coal gas.
Referring to Fig. 7 and Fig. 8, the signal processing function of PLC of the present utility model system:
1) the PLC system finishes the collection to various supplemental characteristics in the production process, and the conversion of input/output signal is handled, and shows record, accumulation, computing, chain warning, functions such as circuit controls.Signal comprises: reversal valve 2 (stove outer) and cut timely state and control, fire box temperature 4 (stove two ends and furnace roof), furnace pressure 5 (furnace roof), the gas pressure of valve 3 (stove is outer) soon and regulate 6 (gas pipings), gas flow and regulate 7 (gas pipings), air mass flow and regulate 8 (air ducts), air pressure 9 (air duct), exhaust gas temperature and regulate 10 (smoke discharging pipes), bleed pressure 12 (on the compressed air piping).
2) mode that adopts CRT 13 to show shows that each monitors the necessary various operations of control, monitoring image.
3) operating personnel pass through the overview panel to CRT 13, the flow process picture, and trend record is reported to the police, and the observation analysis of pictures such as operation uses operator's keyboard special and mouse to operate.
4) can carry out class's newspaper by printer 15, daily paper is printed, for production management provides reliable data.
Claims (5)
1. Heat-retaining and burning car-type heating furnace, comprise body of heater, the air feed house steward, smoke evacuation house steward and gas main, gas passage that is interlinked to the outside on body of heater, being provided with and air duct and respectively with body of heater outside the air feed house steward, smoke evacuation house steward and gas main connect, be provided with air and the shared guiding gutter of coal gas in the inner of described gas passage and air duct, it is characterized in that: also comprise the heat-accumulating burner that is connected with gas passage on the described body of heater, an interface of this heat-accumulating burner is connected with the outer end of described air duct, and another interface of this heat-accumulating burner is connected with the smoke evacuation house steward with described air feed house steward by three-way diverter valve; Connect between described gas passage outer end and the gas main and one cut valve soon.
2. Heat-retaining and burning car-type heating furnace according to claim 1 is characterized in that: many group gas passages and air duct and connected valve, heat-accumulating burner and the three-way diverter valve cut soon respectively are set in the both sides of body of heater.
3. Heat-retaining and burning car-type heating furnace according to claim 1, it is characterized in that: described heat-accumulating burner is by housing and place the accumulation of heat bead in it to constitute, the liner of housing is for watering material feeding and fiberboard, at the top of housing with the side is respectively equipped with the bead filler and bead unloads outlet.
4. according to claim 1,2 or 3 described Heat-retaining and burning car-type heating furnaces, it is characterized in that: described reversal valve and cut valve soon and be pneumatic operated valve, pass through air cylinder driven.
5. according to claim 1,2 or 3 described Heat-retaining and burning car-type heating furnaces, it is characterized in that: also comprise a control device, this control device comprises temperature sensor, pressure sensor, flow sensor, various control valve, PLC system, and temperature sensor, pressure sensor, flow sensor are connected with the respective input of PLC; Temperature sensor is located in the connecting pipe of smoke evacuation house steward, heat-accumulating burner respectively, furnace roof and furnace side; Pressure sensor is located at air duct, gas piping and furnace roof; Various control valves are located at air duct, gas piping and smoke discharging pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620123848 CN200941000Y (en) | 2006-07-13 | 2006-07-13 | Heat-retaining and burning car-type heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620123848 CN200941000Y (en) | 2006-07-13 | 2006-07-13 | Heat-retaining and burning car-type heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200941000Y true CN200941000Y (en) | 2007-08-29 |
Family
ID=38747176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620123848 Expired - Lifetime CN200941000Y (en) | 2006-07-13 | 2006-07-13 | Heat-retaining and burning car-type heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200941000Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934355A (en) * | 2010-09-09 | 2011-01-05 | 新兴河北冶金资源有限公司 | Horizontal continuous casting machine heated by gas |
| CN101963452A (en) * | 2009-07-24 | 2011-02-02 | 萨克米伊莫拉机械合作社合作公司 | Continuous kiln |
| CN102052834A (en) * | 2011-01-21 | 2011-05-11 | 宋生权 | Improvement structure of regenerative fuel gas aluminum melting furnace |
| CN102080155A (en) * | 2010-12-17 | 2011-06-01 | 武汉钢铁(集团)公司 | Method for recording temperature curve in heavy rail steel billet heating process |
| CN102192651A (en) * | 2010-03-19 | 2011-09-21 | 丹阳市江南工业炉有限公司 | Novel high-efficiency energy-saving heat-accumulating industrial furnace |
| CN102278874A (en) * | 2011-05-24 | 2011-12-14 | 辽宁向导科技发展有限公司 | Digital full-automatic refractory material drying furnace |
| CN102607267A (en) * | 2012-03-20 | 2012-07-25 | 朱海生 | Regenerative high-temperature air combustion energy-saving environment-friendly shuttle-type kiln |
| CN102732694A (en) * | 2012-06-20 | 2012-10-17 | 无锡宇吉科技有限公司 | Trolley-type heat treatment furnace |
| CN103014312A (en) * | 2012-12-26 | 2013-04-03 | 中冶南方(武汉)威仕工业炉有限公司 | Control method of regenerative burner of regenerative heating furnace |
| CN103014310A (en) * | 2012-12-03 | 2013-04-03 | 攀钢集团西昌钢钒有限公司 | Timing constant-temperature reversing device of regenerative furnace and method thereof |
| CN103266207A (en) * | 2013-05-24 | 2013-08-28 | 南通东华炉业有限公司 | Mobile gas holding furnace |
| CN104266178A (en) * | 2014-09-25 | 2015-01-07 | 河北钢铁股份有限公司唐山分公司 | Regenerative burner capable of completely burning coal gas |
| CN104390460A (en) * | 2014-11-14 | 2015-03-04 | 北京神雾环境能源科技集团股份有限公司 | Heat accumulating type combustion device for bogie hearth furnace |
| CN107345769A (en) * | 2017-08-29 | 2017-11-14 | 广西容县顺垚仿古建陶有限公司 | The automaton that valve is run in a kind of adobe burning equipment |
| CN111413049A (en) * | 2020-03-04 | 2020-07-14 | 首钢京唐钢铁联合有限责任公司 | Method and device for detecting leakage of heating furnace burner quick-cutting valve |
-
2006
- 2006-07-13 CN CN 200620123848 patent/CN200941000Y/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101963452A (en) * | 2009-07-24 | 2011-02-02 | 萨克米伊莫拉机械合作社合作公司 | Continuous kiln |
| CN101963452B (en) * | 2009-07-24 | 2016-03-02 | 萨克米伊莫拉机械合作社合作公司 | Continuous working kiln |
| CN102192651A (en) * | 2010-03-19 | 2011-09-21 | 丹阳市江南工业炉有限公司 | Novel high-efficiency energy-saving heat-accumulating industrial furnace |
| CN101934355B (en) * | 2010-09-09 | 2012-06-27 | 新兴河北冶金资源有限公司 | Horizontal continuous casting machine heated by gas |
| CN101934355A (en) * | 2010-09-09 | 2011-01-05 | 新兴河北冶金资源有限公司 | Horizontal continuous casting machine heated by gas |
| CN102080155A (en) * | 2010-12-17 | 2011-06-01 | 武汉钢铁(集团)公司 | Method for recording temperature curve in heavy rail steel billet heating process |
| CN102080155B (en) * | 2010-12-17 | 2012-10-31 | 武汉钢铁(集团)公司 | Method for recording temperature curve in heavy rail steel billet heating process |
| CN102052834A (en) * | 2011-01-21 | 2011-05-11 | 宋生权 | Improvement structure of regenerative fuel gas aluminum melting furnace |
| CN102278874B (en) * | 2011-05-24 | 2013-05-29 | 辽宁向导科技发展有限公司 | Digital full-automatic refractory material drying furnace |
| CN102278874A (en) * | 2011-05-24 | 2011-12-14 | 辽宁向导科技发展有限公司 | Digital full-automatic refractory material drying furnace |
| CN102607267A (en) * | 2012-03-20 | 2012-07-25 | 朱海生 | Regenerative high-temperature air combustion energy-saving environment-friendly shuttle-type kiln |
| CN102732694A (en) * | 2012-06-20 | 2012-10-17 | 无锡宇吉科技有限公司 | Trolley-type heat treatment furnace |
| CN103014310B (en) * | 2012-12-03 | 2014-08-20 | 攀钢集团西昌钢钒有限公司 | Timing constant-temperature reversing device of regenerative furnace and method thereof |
| CN103014310A (en) * | 2012-12-03 | 2013-04-03 | 攀钢集团西昌钢钒有限公司 | Timing constant-temperature reversing device of regenerative furnace and method thereof |
| CN103014312B (en) * | 2012-12-26 | 2014-04-09 | 中冶南方(武汉)威仕工业炉有限公司 | Control method of regenerative burner of regenerative heating furnace |
| CN103014312A (en) * | 2012-12-26 | 2013-04-03 | 中冶南方(武汉)威仕工业炉有限公司 | Control method of regenerative burner of regenerative heating furnace |
| CN103266207A (en) * | 2013-05-24 | 2013-08-28 | 南通东华炉业有限公司 | Mobile gas holding furnace |
| CN104266178A (en) * | 2014-09-25 | 2015-01-07 | 河北钢铁股份有限公司唐山分公司 | Regenerative burner capable of completely burning coal gas |
| CN104390460A (en) * | 2014-11-14 | 2015-03-04 | 北京神雾环境能源科技集团股份有限公司 | Heat accumulating type combustion device for bogie hearth furnace |
| CN107345769A (en) * | 2017-08-29 | 2017-11-14 | 广西容县顺垚仿古建陶有限公司 | The automaton that valve is run in a kind of adobe burning equipment |
| CN111413049A (en) * | 2020-03-04 | 2020-07-14 | 首钢京唐钢铁联合有限责任公司 | Method and device for detecting leakage of heating furnace burner quick-cutting valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Qingdao Rongheng energy saving equipment Co. Ltd. Assignor: Hengtuo Energy & Environment Engineering Tech Co., Ltd., Beijing Contract fulfillment period: 2009.7.1 to 2016.6.30 Contract record no.: 2009990001039 Denomination of utility model: Heat-retaining and burning car-type heating furnace Granted publication date: 20070829 License type: Exclusive license Record date: 20090921 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.1 TO 2016.6.30; CHANGE OF CONTRACT Name of requester: QINGDAO RONGHENG ENERGY SAVING EQUIPMENT CO., LTD. Effective date: 20090921 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070829 |
|
| EXPY | Termination of patent right or utility model |