CN110257605A - Glowing furnace heat energy utilization system - Google Patents
Glowing furnace heat energy utilization system Download PDFInfo
- Publication number
- CN110257605A CN110257605A CN201910656492.2A CN201910656492A CN110257605A CN 110257605 A CN110257605 A CN 110257605A CN 201910656492 A CN201910656492 A CN 201910656492A CN 110257605 A CN110257605 A CN 110257605A
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- CN
- China
- Prior art keywords
- furnace
- tempering
- heat
- glowing
- quenching
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
Abstract
The present invention relates to a kind of glowing furnace heat energy utilization systems, are mainly used for metal heat treatmet industry, are particularly suitable for the heat energy utilization of glowing furnace.System of the present invention, by the air inlet connection of the chimney outlet and tempering furnace of glowing furnace.The present invention by by glowing furnace, tempering furnace connection together; the high-temperature flue gas of glowing furnace chimney outlet discharge can be passed through in tempering furnace by the air inlet of tempering furnace; to heat tempering workpiece; achieve the purpose that waste heat secondary use; to make heat utilization rate in glowing furnace greatly improve; energy consumption is reduced, not only saves production cost, but also play the role of environment protection.
Description
Technical field
The present invention relates to a kind of glowing furnace heat energy utilization systems, are mainly used for metal heat treatmet industry, are particularly suitable for quenching
The heat energy utilization of stove.
Background technique
Metal quenches furnace temperature of heating furnace used and is generally 870 DEG C or so, and tempering furnace temperature is generally 470 DEG C or so.Gold at present
Category quenching heating furnace, tempering furnace are generally used industrial combustion gas furnace, and the working principle of industrial combustion gas furnace is helped by pressure-air
Combustion high-pressure gas and generate heat, while a large amount of tail gas are discharged, especially the exhaust temperature that is discharged of batch-type furnace and furnace temperature be almost
Isothermal, amount of heat will discharge out of the furnace with tail gas；In addition, the temperature difference of furnace body surface temperature and air environment temperature is 40-45
DEG C, thus furnace body surface also can dissipated heat, total thermal loss is generally 70-75%, i.e., is really applied on workpiece
Heat utilization rate only has 25-30% or so, will cause great thermal energy waste, while the waste heat discharged can cause ambient enviroment
Serious pollution.
Summary of the invention
The technical problem to be solved by the present invention is overcoming deficiency in the prior art, the energy, drop can be saved by providing one kind
The glowing furnace heat energy utilization system of low production cost, environment protection.
Glowing furnace heat energy utilization system of the present invention joins the air inlet of the chimney outlet of glowing furnace and tempering furnace
It is logical.
The present invention is by the way that by glowing furnace, tempering furnace connection, together, the high-temperature flue gas of glowing furnace chimney outlet discharge can lead to
The air inlet for crossing tempering furnace is passed through in tempering furnace, i.e., is discharged into whole waste heat from tail gas in glowing furnace and is used to heat back in tempering furnace
Firer's part achievees the purpose that waste heat secondary use, by that can make heat energy utilization in glowing furnace for glowing furnace, tempering furnace connection
Rate greatly improves, and reduces energy consumption, not only saves production cost, but also play the role of environment protection.
Wherein, there is following two in the outlet of glowing furnace chimney with tempering furnace air inlet connection mode between the two:
Mode one:
Glowing furnace chimney outlet is set to quenching roof of the furnace or either side furnace wall on, the top of tempering furnace or
Person's furnace wall is equipped with air inlet, and the chimney outlet passes through the air inlet connection of pipeline and tempering furnace, the chimney institute of glowing furnace
The high-temperature flue gas of discharge is discharged into tempering furnace by pipeline.
Mode two:
Tempering furnace is located at glowing furnace side, and the two shares one side wall, the aperture in share common sidewalls, which is used as simultaneously quenches
The air inlet of the chimney outlet and tempering furnace of stove.The high-temperature flue gas that the chimney of glowing furnace is discharged is directly by through share common sidewalls
On hole be discharged into tempering furnace.
The preferably following structure type of glowing furnace in the present invention:
Glowing furnace lower part, which is equipped with the first heat-conducting plate and quenching furnace body inner cavity is separated into top by the first heat-conducting plate, quenches
Stove thorax and lower part quench combustion chamber two parts, and the first heat-conducting plate is equipped with several first through hole, and quenching burner setting is quenching
On the furnace wall of combustion chamber two sides.
By glowing furnace be additionally arranged at the bottom of quenching combustion chamber and the first heat-conducting plate, such flame be not injected directly into quenching burner hearth
But be quenched burner and spray into quenching combustion chamber, it is strong right that the flame of high speed ejection is formed in the quenching limited space in combustion chamber
Stream stirs rapidly with the indoor air of quenching burning, makes 2,000 degree or so of thermal-flame air-flow rapidly and quench in combustion chamber
Low-temperature airflow mixing soaking, along with the suppression of the first heat-conducting plate, the flame for avoiding quenching burner from spraying enters quenching
Directly part flows up after burner hearth, but is equably flowed up by the first through hole on the first heat-conducting plate, meanwhile, one
Divide heat that can enter quenching burner hearth by the radiation of the first heat-conducting plate, guarantees that the temperature of quenching burner hearth horizontal cross-section different parts is equal
Even property.In addition, net quantity of heat is uniformly upwardly into quenching burner hearth from entire glowing furnace furnace bottom, most reasonable hot gas flow direction has been used
The principle of heating of upper flowing, rather than traditional industry combustion gas flame from quenching burner hearth top or two sides or furnace bottom two sides office
It is directly entered quenching burner hearth within the scope of portion, ensure that the furnace temperature of the quenching burner hearth vertical cross-section different height position of the design is uniform
Property.Meanwhile go upward to quenching roof of the furnace heat can by quenching burner hearth chilled ceiling panel to quench burner hearth in and quenching workpiece
On, a part of heat of downlink can radiate back meeting in quenching burner hearth and in quenching workpiece again by the first heat-conducting plate via radiation
Further increase temperature uniformity.
It is improved by the structure of the above glowing furnace, the furnace temperature temperature difference can be made to be maintained within 10 DEG C, thoroughly solve high temperature
The non-uniform problem of glowing furnace furnace temperature, improves metal heat treatmet quality, reduces heat treated article scrappage, energy saving,
Reduce discharge.
Preferably, the quantity for quenching burner is that multiple and multiple quenching burners are evenly distributed, and keeps quenching burning indoor
Air heating is uniform as far as possible, further increases the uniformity of furnace temperature.
When practical application, first through hole is uniformly covered on the first heat-conducting plate, to keep the quenching indoor air that burns logical
The first through hole opened up on the first heat-conducting plate is crossed equably to be upwardly into quenching burner hearth；The aperture of first through hole is 7~30mm,
To guarantee suppression of first heat-conducting plate to flame, the flame for avoiding quenching burner from spraying enters direct part after quenching burner hearth
It flows up.First heat-conducting plate is made preferably with thermal coefficient of the material not less than 30W/ (mK), because thermal conductivity is fine,
Heat can more uniformly enter quenching burner hearth by the radiation of the first heat-conducting plate, guarantee quenching burner hearth horizontal cross-section different parts
Temperature uniformity.
It is further preferred that quenching combustion chamber is separated into several fuel elements by partition, in each fuel element at least
It is correspondingly arranged a quenching burner, each partition is equipped with heat flow channel, and by each heat flow channel that each burning is single
First connection.By the way that multiple fuel elements are arranged, the uniformity of quenching burning room air heating can be further increased.
The preferably following structure type of tempering furnace in the present invention:
Tempering furnace lower part is equipped with the second heat-conducting plate and temper furnace intracoelomic cavity is separated into top by the second heat-conducting plate and returns
Stove thorax and lower part are tempered combustion chamber two parts, and the second heat-conducting plate is equipped with several second through-holes, and tempering burner setting is being tempered
On the furnace wall of combustion chamber.
The quenching combustion chamber and first of tempering combustion chamber and the second heat-conducting plate and quenching furnace bottom that tempering furnace is additionally arranged at the bottom of
The design concept of heat-conducting plate is similar, and purpose is also that thermal energy is enable to be made effective use of, and reduces energy consumption, saves the energy, together
When can also improve the uniformity of tempering furnace furnace temperature, to be evenly heated to tempering workpiece, but be tempered combustion chamber and quenching is fired
The structure for burning room is again different, is tempered in combustion chamber without being separated with partition, and only installation power is very in tempering combustion chamber
Small tempering burner is for adjusting control tempering furnace furnace temperature.General tradition chamber type annealing stove burner general power is glowing furnace burning
The 1/2 of mouth general power, according to 2~20m3The combustion space to differ in size, it is corresponding in 15~1,500,000 kilocalories/selected within the scope of hour
Tempering furnace burner general power is selected, and tempering furnace burner general power of the present invention only needs 4~400,000 kilocalories/hour.
Preferably, it is equipped with stirring blower in tempering burner hearth, furnace atmosphere can be made to form convection current, furnace atmosphere cycle-index exists
50 times/min or more, keep in-furnace temperature uniform.
It is further preferred that the flue gas side-entrance of the flue tail connection air preheater of tempering furnace, air preheater
Air side outlet connects combustion air general pipeline, the combustion air pipeline of combustion air general pipeline connection glowing furnace and helping for tempering furnace
Air pipe line is fired, the combustion air pipeline access of glowing furnace quenches in burner, and the combustion air pipeline access tempering of tempering furnace is burnt
In mouth, it is equivalent to and third time utilization is carried out to glowing furnace waste heat, further increase energy-saving effect.
Compared with the prior art, the invention has the beneficial effects that:
1, the present invention is by the way that by glowing furnace, tempering furnace connection, together, glowing furnace chimney exports the high-temperature flue gas meeting of discharge
It is passed through in tempering furnace by the air inlet of tempering furnace, to heat tempering workpiece, achievees the purpose that waste heat secondary use, to make
Heat utilization rate greatly improves in glowing furnace, reduces energy consumption, not only saves production cost, but also plays the work of environment protection
With；
2, the flue tail of tempering furnace connects air preheater, and the waste heat from tail gas that tempering furnace flue is discharged passes through air again
Preheater carrys out the combustion air of heating quenching furnace, tempering furnace, and waste heat is utilized again, further increases energy-saving effect；
3, the design of glowing furnace and tempering furnace bottom heat-conducting plate and combustion chamber enables thermal energy to obtain sufficiently effectively sharp
With can also play the role of reducing energy consumption, save the energy, while the uniform of glowing furnace and tempering furnace furnace temperature can also be improved
Property, it thoroughly solves the problems, such as that furnace temperature existing for glowing furnace and tempering furnace is non-uniform, improves metal heat treatmet quality, reduce
Heat treated article scrappage.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1, glowing furnace；2, fire door is quenched；3, burner hearth is quenched；4, the first heat-conducting plate；5, first through hole；6, heat stream
Circulation passage；7, partition；8, burner；9, fuel element；10, the combustion air pipeline of glowing furnace；11, the combustion-aid air pipe of tempering furnace
Road；12, combustion air general pipeline；13, flue gas side outlet；14, air preheater；15, air side-entrance；16, flue；17, it stirs
Blower；18, tempering furnace；19, it is tempered fire door；20, it is tempered burner hearth；21, the second heat-conducting plate；22, the second through-hole；23, temperature-adjusting burner；
24, it is tempered combustion chamber；25, air inlet；26, chimney；27, pipeline.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
As shown in Figure 1, glowing furnace heat energy utilization system of the present invention is by the outlet of chimney 26 and tempering of glowing furnace 1
25 connection of air inlet of furnace 18, specific structure are as follows: the chimney 26 of glowing furnace 1 is exported and is set on the furnace wall of quenching burner hearth 3,
The furnace wall of tempering furnace 18 is equipped with air inlet 25, and the outlet of chimney 26 passes through the air inlet 25 of pipeline 27 and tempering furnace 18
It is logical.
By the way that by glowing furnace 1,18 connection of tempering furnace, together, the high-temperature flue gas of 1 chimney 26 of glowing furnace outlet discharge can lead to
The air inlet 25 for crossing tempering furnace 18 is passed through in tempering furnace 18, i.e., whole waste heat from tail gas in glowing furnace 1 is discharged into tempering furnace 18
It is tempered workpiece for heating, achievees the purpose that waste heat secondary use.
What arrow referred in figure is heat flow direction.
In this system, 1 lower part of glowing furnace is equipped with the first heat-conducting plate 4, and will be in 1 furnace body of glowing furnace by the first heat-conducting plate 4
Chamber is separated into top quenching burner hearth 3 and lower part quenching combustion chamber two parts, and the first heat-conducting plate 4 is not less than 30W/ by thermal coefficient
(mK) material is made, and carbofrax material is used in the present embodiment, compares conventional use of heat resisting steel, at low cost, thermally conductive
Coefficient is high, and 1550 DEG C of high temperature resistant, and elevated temperature strength with higher, high rigidity, high-wearing feature；If the first heat-conducting plate 4 is equipped with
Dry first through hole 5, first through hole 5 are uniformly covered on the first heat-conducting plate 4, burn indoor air by first to make to quench
The first through hole 5 opened up on heat-conducting plate 4 is equably upwardly into quenching burner hearth 3, and the aperture of first through hole 5 is in the present embodiment
15mm；Quenching combustion chamber is separated into several fuel elements 9 by partition 7, and each partition 7 is equipped with heat flow channel 6, and by each
A burner 8, the combustion air of glowing furnace is arranged in each 9 connection of fuel element by heat flow channel 6 in each fuel element 9
Pipeline 10 is respectively connected in each fuel element 9；Several quenching burners 8 are evenly distributed on quenching sidewall of combustion chamber；Quench fire door 2
It is arranged on the one side of quenching burner hearth 3.
By glowing furnace 1 be additionally arranged at the bottom of quenching combustion chamber and the first heat-conducting plate 4, such flame be not injected directly into glowing furnace
Thorax 3 but be quenched burner 8 spray into quenching combustion chamber in, the flame of high speed ejection is in the quenching being separated out by the first heat-conducting plate 4
Strong convection is formed in the limited space in combustion chamber, is stirred rapidly with the indoor air of quenching burning, is made 2,000 degree or so of high temperature
Flame flow is avoided with the indoor low-temperature airflow mixing soaking of quenching burning along with the suppression of the first heat-conducting plate 4 rapidly
The flame that quenching burner 8 sprays enters directly part after quenching burner hearth 3 and flows up, but by being uniformly covered in entire furnace bottom
The first heat-conducting plate 4 on first through hole 5 equably flow up, meanwhile, first heat-conducting plate 4 thermal conductivity itself is fine, heat
Quenching burner hearth 3 can more uniformly be entered by the radiation of the first heat-conducting plate 4, guarantee quenching 3 horizontal cross-section different parts of burner hearth
Temperature uniformity.In addition, net quantity of heat is uniformly upwardly into quenching burner hearth 3 from entire 1 furnace bottom of glowing furnace, use most rationally
The principle of heating that flows up of thermal current, rather than traditional industry combustion gas flame from the top of quenching burner hearth or two sides or furnace
It is directly entered quenching burner hearth in the subrange of bottom two sides, ensure that the 3 vertical cross-section different height position of quenching burner hearth of the design
The temperature uniformity set.Meanwhile the heat for going upward to 3 top of quenching burner hearth can be by quenching 3 chilled ceiling panel of burner hearth to glowing furnace
In thorax 3 and in quenching workpiece, a part of heat of downlink can radiate back quenching burner hearth 3 again by the first heat-conducting plate 4 via radiation
In interior and quenching workpiece, temperature uniformity can be further increased.
It is improved by the structure of the above glowing furnace, greatly improves the uniformity of 1 furnace temperature of glowing furnace, make 1 furnace of glowing furnace
The temperature difference is maintained within 10 DEG C, is thoroughly solved the problems, such as that 1 furnace temperature of high temp, quenching furnace is non-uniform, is improved metal heat treatmet matter
Amount, reduces heat treated article scrappage.
In this system, 18 lower part of tempering furnace is equipped with the second heat-conducting plate 21 and passes through the second heat-conducting plate 21 for 18 furnace body of tempering furnace
Inner cavity is separated into top tempering burner hearth 20 and lower part tempering 24 two parts of combustion chamber, and it is logical that the second heat-conducting plate 21 is equipped with several second
Hole 22, tempering burner 23 are arranged on the furnace wall of tempering combustion chamber 24；It is tempered in burner hearth 20 and is equipped with stirring blower 17；Tempering furnace
Door 19 is arranged on the one side of tempering burner hearth 20.
The tempering combustion chamber 24 and the second heat-conducting plate 21 and the quenching of 1 bottom of glowing furnace that 18 bottom of tempering furnace is added are burnt
Room is similar with the design concept of the first heat-conducting plate 4, and purpose is also that thermal energy is enable to be made effective use of, and reduces energy consumption, section
The energy is saved, while the uniformity of 18 furnace temperature of tempering furnace can also be improved, to be evenly heated to tempering workpiece, but is tempered combustion
Burning room 24 and the structure for quenching combustion chamber are again different, are tempered without using partition 7 to separate in combustion chamber 24, and only fire in tempering
Burning installation general power in room 24 is 4~400,000 kilocalories/hour tempering burner 23 (be equivalent to traditional tempering furnace general power 1/4)
18 furnace temperature of tempering furnace is controlled for adjusting.
Air preheater 14 is also had additional in this system, air preheater 14 is a kind of utilization devices such as gas furnace, boiler
Smoke exhaust heat come the usual heat exchanger preheated, be made of flue gas side runner and air side runner.In the present embodiment, it is being tempered
The flue gas side-entrance of 16 tail portion of the flue connection air preheater 14 of furnace 18, the flue gas that tempering furnace 18 is discharged enter flue gas side runner
In, air then enters air side runner from the air side-entrance 15 of air preheater 14, and the heat transfer in flue gas is to air, drop
Flue gas after temperature is discharged through flue gas side outlet 13, and the air after heating then passes through air side outlet and enters combustion air general pipeline 12,
The combustion air pipeline 10 of the connection glowing furnace of combustion air general pipeline 12 and the combustion air pipeline 11 of tempering furnace, glowing furnace help
It fires in the access quenching burner 8 of air pipe line 10, in the access tempering burner 23 of combustion air pipeline 11 of tempering furnace, such tempering furnace
The waste heat from tail gas that 18 flue 16 is discharged is again by air preheater 14 come the combustion-supporting sky of heating quenching furnace 1 and tempering furnace 18
Gas is equivalent to glowing furnace waste heat carrying out third time utilization, further increases energy-saving effect.
The structure type of above-mentioned glowing furnace heat energy utilization system can also do other accommodations, such as: make quenching 1 and tempering furnace
18 shared one side walls, and the aperture in share common sidewalls, the hole simultaneously be used as glowing furnace 1 chimney 26 export and tempering furnace 18 into
Port 25, in this way, the high-temperature flue gas that the chimney 26 of glowing furnace is discharged is directly by being discharged into tempering furnace through the hole in share common sidewalls
In 18.
Claims (10)
1. a kind of glowing furnace heat energy utilization system, it is characterised in that: by chimney (26) outlet and tempering furnace (18) of glowing furnace (1)
Air inlet (25) connection.
2. glowing furnace heat energy utilization system according to claim 1, it is characterised in that: the chimney (26) of glowing furnace (1) goes out
Mouth is set at the top of quenching burner hearth (3) that perhaps the top of tempering furnace (18) or furnace wall are equipped on the furnace wall of either side
Air inlet (25), chimney (26) outlet pass through air inlet (25) connection of pipeline (27) and tempering furnace (18).
3. glowing furnace heat energy utilization system according to claim 1, it is characterised in that: tempering furnace (18) is located at glowing furnace
(1) side, and the two shares one side wall, the aperture in share common sidewalls, which is used as the chimney (26) of glowing furnace (1) to export simultaneously
With the air inlet (25) of tempering furnace (18).
4. any glowing furnace heat energy utilization system according to claim 1~3, it is characterised in that: glowing furnace (1) lower part
Glowing furnace (1) furnace body inner cavity is separated into top quenching burner hearth (3) equipped with the first heat-conducting plate (4) and by the first heat-conducting plate (4)
Combustion chamber two parts are quenched with lower part, the first heat-conducting plate (4) is equipped with several first through hole (5), and quenching burner (8) setting is being quenched
On the furnace wall of fiery combustion chamber two sides.
5. glowing furnace heat energy utilization system according to claim 4, it is characterised in that: the quantity of quenching burner (8) is more
A and multiple quenching burners (8) are evenly distributed.
6. glowing furnace heat energy utilization system according to claim 4, it is characterised in that: quenching combustion chamber is by partition (7) point
It is divided into several fuel elements (9), a quenching burner (8), each partition (7) is at least correspondingly arranged in each fuel element (9)
It is equipped with heat flow channel (6), and by each heat flow channel (6) by each fuel element (9) connection.
7. glowing furnace heat energy utilization system according to claim 4, it is characterised in that: tempering furnace (18) lower part is equipped with second
Heat-conducting plate (21) and by the second heat-conducting plate (21) by tempering furnace (18) furnace body inner cavity be separated into top tempering burner hearth (20) and under
Portion is tempered combustion chamber (24) two parts, and the second heat-conducting plate (21) is equipped with several second through-holes (22), tempering burner (23) setting
On the furnace wall of tempering combustion chamber (24).
8. glowing furnace heat energy utilization system according to claim 7, it is characterised in that: be equipped with stirring in tempering burner hearth (20)
Blower (17).
9. any glowing furnace heat energy utilization system according to claim 1~3 or in 5-8, it is characterised in that: tempering furnace
(18) the air side outlet of the flue gas side-entrance of flue (16) tail portion connection air preheater (14), air preheater (14) connects
It connects combustion air general pipeline (12), combustion air general pipeline (12) the connection combustion air pipeline (10) of glowing furnace and helping for tempering furnace
It fires air pipe line (11), in combustion air pipeline (10) access quenching burner (8) of glowing furnace, the combustion air pipeline of tempering furnace
(11) in access tempering burner (23).
10. glowing furnace heat energy utilization system according to claim 4, it is characterised in that: the flue (16) of tempering furnace (18)
Tail portion connects the flue gas side-entrance of air preheater (14), and the air side outlet of air preheater (14) connects combustion air general pipeline
(12), combustion air general pipeline (12) the connection combustion air pipeline (10) of glowing furnace and the combustion air pipeline of tempering furnace
(11), in combustion air pipeline (10) access quenching burner (8) of glowing furnace, the combustion air pipeline (11) of tempering furnace is accessed back
It burns in mouth (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656492.2A CN110257605A (en) | 2019-07-19 | 2019-07-19 | Glowing furnace heat energy utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656492.2A CN110257605A (en) | 2019-07-19 | 2019-07-19 | Glowing furnace heat energy utilization system |
Publications (1)
| Publication Number | Publication Date |
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| CN110257605A true CN110257605A (en) | 2019-09-20 |
Family
ID=67927374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910656492.2A Withdrawn CN110257605A (en) | 2019-07-19 | 2019-07-19 | Glowing furnace heat energy utilization system |
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| Country | Link |
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| CN (1) | CN110257605A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690795A (en) * | 2020-07-13 | 2020-09-22 | 丽水市莲都区凯泽创机械厂 | A special quenching furnace for bearing production |
| CN113293264A (en) * | 2020-02-24 | 2021-08-24 | 重庆欣天利智能重工有限公司 | Automatic control equipment and method for continuous cycle quenching and tempering |
| CN113929098A (en) * | 2021-10-05 | 2022-01-14 | 上海柯来浦能源科技有限公司 | Heat-storage-combustion molten pool heating production device and calcium carbide, coal gas and lime co-production device |
-
2019
- 2019-07-19 CN CN201910656492.2A patent/CN110257605A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293264A (en) * | 2020-02-24 | 2021-08-24 | 重庆欣天利智能重工有限公司 | Automatic control equipment and method for continuous cycle quenching and tempering |
| CN111690795A (en) * | 2020-07-13 | 2020-09-22 | 丽水市莲都区凯泽创机械厂 | A special quenching furnace for bearing production |
| CN113929098A (en) * | 2021-10-05 | 2022-01-14 | 上海柯来浦能源科技有限公司 | Heat-storage-combustion molten pool heating production device and calcium carbide, coal gas and lime co-production device |
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Application publication date: 20190920 |