CN203999680U - Piecing assembly heat treatment heating furnace - Google Patents
Piecing assembly heat treatment heating furnace Download PDFInfo
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- CN203999680U CN203999680U CN201420381325.4U CN201420381325U CN203999680U CN 203999680 U CN203999680 U CN 203999680U CN 201420381325 U CN201420381325 U CN 201420381325U CN 203999680 U CN203999680 U CN 203999680U
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Abstract
A piecing assembly heat treatment heating furnace, is characterized in that comprising the assembled circular cone bench-type structure furnace roof of gengon structure body of heater (1), furnace bottom (2), fan-shaped top board module (3) and circular cover (4), the three plate furnace wall of lattice modules (5), the two plate furnace wall of lattice modules (6) and the plate furnace wall of single lattice module (7).The beneficial effects of the utility model are to prefabricated profiled EM equipment module, in piecing assembly heat treatment heating furnace, carry out complete heat treatment, be wound around partial heat treatment method, inner fuel oil complete heat treatment method, outside gas from oil burning input complete heat treatment method with electric heating sheets conventional in current engineering and compare, the labor hour that have easy construction, stress relieving is effective, lagging material repeating utilization factor is high, consumes is few, energy consumption is few, cost is low and work efficiency advantages of higher.
Description
Technical field
The utility model belongs to chemical industry construction technique field, relates in a kind of large chemical equipment site welding technology process the Integral heat treatment device of segmentation module, especially a kind of piecing assembly heat treatment heating furnace.
Background technology
The scale of chemical plant installations is constantly to maximization future development, and superelevation, super large, overweight equipment often need to carry out at the construction field (site) assembly welding.The application of piecing assembly heat treatment heating furnace, can efficiently complete the POST WELD HEAT TREATMENT OF ENTIRE operation of the equipment segmentation module that has heat treatment requirements of site welding technology, and its application prospect is boundless.
Device category in chemical plant installations is various, specification is different, and because of production technique demand, many equipment requirements postweldings are eliminated the thermal treatment of unrelieved stress.
In engineering, conventional on-the-spot thermal treatment process mainly contains electric heating sheets and is wound around partial heat treatment method, inner fuel oil complete heat treatment method, outside gas from oil burning input complete heat treatment method at present.
The constructional method that electric heating sheets is wound around partial heat treatment is that magnetic force compression type electric heating sheets is set on the field welding of EM equipment module; The internal surface of weld seam, outside surface wrap up aluminum silicate insulation material simultaneously, and the parcel width of lagging material need cover whole heat affected zone; Energising makes electric heating sheets heat up and control heat-up rate the field welding of EM equipment module; After reaching the temperature of thermal treatment process regulation, keep constant temperature, constant temperature time is determined by thermal treatment process; Control afterwards the temperature that is cooled to thermal treatment process regulation, cut off the electricity supply freely cooling; Be cooled to after normal temperature, remove aluminum silicate insulation material and electric heating sheets.The shortcoming of this method is that the operating environment of complex space increases, and security risk is high; To the field welding of EM equipment module, need carry out one by one partial heat treatment, repeat that job content is many, large, the consuming time length of lagging material loss, energy consumption greatly, the cotton-wool of aluminum silicate insulation material is large to environmental damage degree; In addition, the impact of the conditions such as the compactness in climate condition, aluminum silicate insulation material encapsulation process and parcel width, electric heating sheets damage, after thermal treatment, there will be the phenomenons such as heat affected zone stress relieving is inhomogeneous, not thorough.
Inner fuel oil complete heat treatment method, outside gas from oil burning input complete heat treatment method, equipment outer wall all needs all to use aluminum silicate insulation material to wrap up, there is the shortcoming that aluminum silicate insulation material usage quantity is large, environmental damage degree is large, when superelevation, overweight equipment are carried out to complete heat treatment, also need to adjust rigidity and the swell increment of equipment and materials each temperature range in heat treatment process, take the measures such as necessary reinforcing and preventing deformation, anti-unstability, calculation work is numerous and diverse, construction cost is high.In addition, during the parcel of aluminum silicate insulation material, between thermal treatment process effective date, the meteorological conditions of sudden change is huge on the impact of heat treatment process; After thermal treatment, be attached to oil stain, the cleaning of cigarette stain on equipment inner wall, also have very large difficulty.
Summary of the invention
The purpose of this utility model is to provide a kind of piecing assembly heat treatment heating furnace reusing, the EM equipment module of site welding technology is carried out to complete heat treatment, the partial heat treatment technology that is aided with weld seam between adjacent installed module, solve electric heating sheets and be wound around that the heat affected zone stress relieving that partial heat treatment technology exists is inhomogeneous, heat treatment cycle long, lagging material loss is large, energy consumption is large, environmental damage degree is large, and after the device interior thermal treatment that exists of inner fuel oil complete heat treatment or outside gas from oil burning input complete heat treatment technology, oil stain, cigarette stain are removed difficulty; After steel are heated, because the not enough equipment causing of rigidity is out of shape the problems such as wayward.
The technical solution of the utility model is:
A kind of piecing assembly heat treatment heating furnace, comprise gengon structure body of heater 1, furnace bottom 2, the circular cone bench-type structure furnace roof that fan-shaped top board module 3 and circular cover 4 are assembled, the three plate furnace wall of lattice modules 5, the two plate furnace wall of lattice modules 6 and the plate furnace wall of single lattice module 7, described gengon structure body of heater 1 is arranged on furnace bottom 2, gengon structure body of heater 1 is provided with by a plurality of fan-shaped top board modules 3 and the assembled circular cone bench-type furnace roof top structure of circular cover 4, gengon structure body of heater 1 is by the three plate furnace wall of lattice modules 5, the two plate furnace wall of lattice modules 6 and the mutual spicing forming type of the plate furnace wall of single lattice module 7.
The described three plate furnace wall of lattice modules 5 comprise the frame 8 of shaped as frame and the steel plate 9 of putting more energy on frame, and vertical two outer sides of frame 8 are inclined-plane 11, and the angle of inclination Q on inclined-plane 11 is 5-30 degree, and frame 8 is provided with joint bolt hole 10.
The described two plate furnace wall of lattice modules 6 comprise the frame 8 of shaped as frame and the steel plate 9 of putting more energy on frame, and vertical two outer sides of frame 8 are inclined-plane 11, and the angle of inclination Q on inclined-plane 11 is 5-30 degree, and frame 8 is provided with joint bolt hole 10.
The plate furnace wall of described single lattice module 7 comprises the frame 8 of shaped as frame, and vertical two outer sides of frame 8 are inclined-plane 11, and the angle of inclination Q on inclined-plane 11 is 5-30 degree, and frame 8 is provided with joint bolt hole 10.
Described fan-shaped top board module 3 comprises round steel cross bar 40, channel-section steel brace 41 and round steel montant 42, and round steel cross bar 40, channel-section steel brace 41 and round steel montant 42 form triangular structure, between fan-shaped top board module 3, by joint bolt hole 43, connect.
Described furnace bottom 2 is concrete pouring structure.
Described body of heater 2 furnace bottoms arrange thermal expansion gearshift.
The inner small pieces of cloth used for patches pure aluminium silicate thermal insulation layer of described furnace bottom 2 and gengon structure body of heater 1.
Described furnace bottom 2 is arranged electric heating sheets support and electric heating sheets.
On described gengon structure body of heater 1, telescoping thermopair is installed.
The beneficial effects of the utility model are:
The beneficial effects of the utility model are to prefabricated profiled EM equipment module, in piecing assembly heat treatment heating furnace, carry out complete heat treatment, be wound around partial heat treatment method with electric heating sheets conventional in current engineering, inner fuel oil complete heat treatment method, outside gas from oil burning input complete heat treatment method is compared, there is easy construction, stress relieving is effective, lagging material repeating utilization factor is high, the labor hour consuming is few, energy consumption is few, low and the work efficiency advantages of higher of cost, no matter at secure context, quality aspect, construction speed aspect, environment protection aspect, all effectively be guaranteed.
Accompanying drawing explanation
Fig. 1 is the one-piece construction facade structures schematic diagram after the assembled moulding of piecing assembly heat treatment heating furnace of the present utility model.
Fig. 2 is the plan structure schematic diagram after the assembled moulding of piecing assembly heat treatment heating furnace of the present utility model.
Fig. 3 is the two dimensional structure schematic diagram of the three plate furnace wall of lattice modules of the present utility model.
Fig. 4 is the side structure schematic diagram of the three plate furnace wall of lattice modules of the present utility model.
Fig. 5 is the plan structure schematic diagram of the three plate furnace wall of lattice modules of the present utility model.
Fig. 6 is the structural representation of the two plate furnace wall of lattice modules of the present utility model.
Fig. 7 is the structural representation of the plate furnace wall of single lattice of the present utility model module.
Fig. 8 is the two dimensional structure schematic diagram of fan-shaped top board module of the present utility model.
Fig. 9 is the side structure schematic diagram of fan-shaped top board module of the present utility model.
Figure 10 is the plan structure schematic diagram of fan-shaped top board module of the present utility model.
In figure: 1 for gengon structure body of heater, 2 for furnace bottom, 3 for form circular cone structure furnace roof fan-shaped top board modules, 4 for circular cover, 40 for round steel cross bar, 41 for channel-section steel brace, 42 for round steel montant, 43 for joint bolt hole, 5 be the three plate furnace wall of lattice modules, 6 be the two plate furnace wall of lattice modules, 7 for the plate furnace wall of single lattice module, 8 for frame, 9 for the steel plate of putting more energy into, 10 for joint bolt hole, 11 be inclined-plane.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As Fig. 1 to 10, a kind of piecing assembly heat treatment heating furnace, comprise gengon structure body of heater 1, furnace bottom 2, the circular cone structure furnace roof that fan-shaped top board module 3 and circular cover 4 are assembled, the three plate furnace wall of lattice modules 5, the two plate furnace wall of lattice modules 6 and the plate furnace wall of single lattice module 7, described gengon structure body of heater 1 is arranged on furnace bottom 2, gengon structure body of heater 1 is provided with by a plurality of fan-shaped top board modules 3 and the assembled circular cone bench-type furnace roof top structure of circular cover 4, gengon structure body of heater 1 is by the three plate furnace wall of lattice modules 5, the two plate furnace wall of lattice modules 6 and the mutual spicing forming type of the plate furnace wall of single lattice module 7.
The three plate furnace wall of lattice modules 5 comprise the frame 8 of shaped as frame and the steel plate 9 of putting more energy on frame, and vertical two outer sides of frame 8 are inclined-plane 11, and the angle of inclination Q on inclined-plane 11 is 5-30 degree, and frame 8 is provided with joint bolt hole 10.
The two plate furnace wall of lattice modules 6 comprise the frame 8 of shaped as frame and the steel plate 9 of putting more energy on frame, and vertical two outer sides of frame 8 are inclined-plane 11, and the angle of inclination Q on inclined-plane 11 is 5-30 degree, and frame 8 is provided with joint bolt hole 10.
The plate furnace wall of single lattice module 7 comprises the frame 8 of shaped as frame, and vertical two outer sides of frame 8 are inclined-plane 11, and the angle of inclination Q on inclined-plane 11 is 5-30 degree, and frame 8 is provided with joint bolt hole 10.
Fan-shaped top board module 3 comprises round steel cross bar 40, channel-section steel brace 41 and round steel montant 42, and round steel cross bar 40, channel-section steel brace 41 and round steel montant 42 form triangular structure, between fan-shaped top board module 3, by joint bolt hole 43, connect.
Furnace bottom 2 is concrete pouring structure.
Body of heater 2 furnace bottoms arrange thermal expansion gearshift.
The inner small pieces of cloth used for patches pure aluminium silicate thermal insulation layer of furnace bottom 2 and gengon structure body of heater 1.
Furnace bottom 2 is arranged electric heating sheets support and electric heating sheets.
On gengon structure body of heater 1, telescoping thermopair is installed.
The on-the-spot setting steps of piecing assembly heat treatment heating furnace is:
1) working-yard addressing place is carried out to ground processing;
2) casting concrete furnace bottom;
3) the assembled heat treatment heating furnace body of heater of maximum device module geometrical dimension of heat-treating according to need, furnace bottom arranges thermal expansion gearshift;
4) the inner small pieces of cloth used for patches pure aluminium silicate of furnace bottom and body of heater thermal insulation layer;
5) furnace bottom is arranged electric heating sheets support and electric heating sheets;
6) telescoping thermopair is installed on body of heater;
7) microcomputer automatic temp housing laying, power supply box laying, electric heating sheets electric power conductor and compensation lead of thermocouple are laid;
8) the assembled moulding of furnace roof is standby.
Piecing assembly heat treatment heating furnace is mainly comprised of furnace bottom, furnace wall, furnace roof, lagging material, temperature control system, gearshift etc.
At the bottom of round kiln, use C30 concrete placement, the doughnut-shaped steel plate of the pre-buried 10mm thickness of upper surface is as the contact surface of thermal expansion gearshift, the diameter of circular concrete furnace bottom and internal diameter and the outside dimension of doughnut-shaped steel plate, determine according to all geometrical dimensions of equipment for Heating Processing module that need.Concrete thickness is advisable with 500mm, and reserved People's Bank of China's operating walk way and supply line lay passage.The thermofin of furnace bottom is used aluminum silicate insulation material to lay, laying depth 120mm, and the seam crossing of each layer of lagging material should stagger mutually.
Furnace wall part is used the plate furnace wall module spliced of 3 kinds of same sizes to dress up gengon structure, the plate furnace wall module of 3 kinds of specifications is respectively 6000mm * 1600mm, 4000mm * 1600mm and 2000mm * 1600mm, and it is parameter that the furnace wall height of piecing assembly process furnace be take the highest height that needs equipment for Heating Processing module.Plate furnace wall module use [16 channel-section steels ,-160 * 8 band steels, δ=4mm steel plate,
round steel etc. are made, and [16 channel-section steel frame peripheries are provided with the bolt hole of mutual splicing, in every plate furnace wall module, all offer
reserved thermocouple mounting hole, specification is to offer 3 in the furnace wall module of 6000mm * 1600mm, position of opening is upper and lower each 1000mm place of center position and the midperpendicular of furnace wall module, in the furnace wall module of 4000mm * 1600mm, offer 2, position of opening is upper and lower each 1000mm place of furnace wall module midperpendicular, and the furnace wall module of 2000mm * 1600mm specification is offered 1 at center position.The thermofin of body of heater is used aluminum silicate insulation material to hang at inboard wall of furnace body, and thickness is 100mm, and the seam crossing of each layer of lagging material should stagger mutually, and the laminating of lagging material and compacting utilize on the module inwall of plate furnace wall
bitch and auxiliary steel band are realized.
Furnace roof is partly spliced into circular cone structure by fan-shaped top board module and 1 group of circular cover of 16 groups of same sizes, and its upper base diameter 1000mm, the diameter 15000mm that goes to the bottom, height 2500mm can meet diameter at 14500mm and with the use of lower furnace body.Fan-shaped top board module, circular cover mainly use [32 channel-section steels, [16 channel-section steels ,-160 * 8 band steels, δ=10mm steel plate, δ=4mm steel plate,
steel pipe,
the materials such as round steel are made, [32 and [16 channel-section steel frame peripheries are provided with the bolt hole of mutual splicing,
steel pipe is mainly used in externally reinforced.The thermofin of furnace roof is used aluminum silicate insulation material, and thickness is 120mm, and the seam crossing of each layer of lagging material should stagger mutually, and the laminating of lagging material and compacting utilize on furnace roof module inwall
bitch and auxiliary steel band are realized.
The main raw of thermal expansion gearshift be δ=40mm steel plate and
round steel, wherein δ=40mm steel plate is pressing plate,
round steel is roller bearing, is evenly distributed on the respective base that is heat-treated EM equipment module.
Electric heating sheets support is used ∠ 75 * 6mm angle steel to make, the support of 2 kinds of specifications of batch making, and the power demand calculating depending on thermal technology carries out the configuration of electric heating sheets.
Piecing assembly heat treatment heating furnace body of heater adopts polygonized structure, is mainly in order to improve the service efficiency of body of heater plate furnace wall module when assembled, also has the function of adjusting easily heating-furnace height and change furnace diameter in a big way simultaneously.
It is externally reinforced that furnace roof adopts circular cone bench-type splicing construction to be aided with, and is mainly in order to meet rigidity and the durability requirements of furnace roof, the unstability of also having avoided internal reinforcement structure to cause because of rigidity deficiency after reinforcement material is heated simultaneously.The upper base part of the furnace roof frustum of a cone, also possesses the function of breather hole, in temperature-fall period, can, by adjusting the skew of circular cover, play control cooling rate.
The setting of thermal expansion gearshift, has guaranteed degree of freedom when be heat-treated EM equipment module expands and shrink in intensification, cooling situation, effectively plays the effect of controlling and reducing to be heat-treated EM equipment module distortion.
The electric heating sheets that temperature control system mainly arranges by process furnace inner bottom part, produces the air in thermal source heating furnace after energising, the principle of utilizing hot gas flow to rise urges the continuous convection current of air in burner hearth, reaches the object that heating is heat-treated EM equipment module.Spot welding or magnetic force are pressed on the thermocouple temperature sensitive termination being heat-treated on EM equipment module outside surface, and energy is output temperature data accurately, and red-tape operati platform completes the electric heating sheets of different groups from dynamic circuit breaker, power transmission, reach the object of controlling intensification, cooling rate.
Third part:
The concrete using method of piecing assembly heat treatment heating furnace is: annular pre-embedded steel slab laying, the formwork of the foundation ditch of on-the-spot addressing, cutting depth 500mm respective diameters compacting, the rubble of laying 100mm thickness, reinforcing bar binding, corresponding internal-and external diameter, to build thickness be the C30 concrete of 500mm and carry out maintenance; Use the assembled heat treatment heating furnace body of heater of piecing assembly heat treatment heating furnace wallboard module, heating furnace body diameter needs the maximum diameter of equipment for Heating Processing module to be advisable to meet, and body of heater height needs the maximum height 600mm of equipment for Heating Processing module to be advisable to exceed; On furnace bottom concrete annular pre-embedded steel slab, evenly lay and be heat-treated the corresponding thermal expansion gearshift of EM equipment module, using the furnace bottom thermofin that pure aluminium silicate lagging material laying depth is 120mm; Piecing assembly heat treatment heating furnace inwall hangs the pure aluminium silicate thermal insulation layer that thickness is 100mm, utilizes the bitch in the module of plate furnace wall and auxiliary steel band is sturdy, compress; The electric heating sheets support of 2 kinds of specifications enters in stove in batches, in furnace bottom opsition dependent, puts, and concrete quantity is determined according to 120% of the required power of thermal technology's calculation sheet; On each electric heating sheets support, lay 2 electric heating sheets, in stove, use the reinforcing bar of tape insulation porcelain bushing as connecting wire, 6 electric heating sheets are formed to one with the gimmick of series, parallel and be subject to electric loop, the cabling that caused outside stove by electric loop is all drawn and is numbered from the reserved wiring channel of furnace bottom; Piecing assembly process furnace furnace roof is assembled into type, and furnace roof inwall hangs the pure aluminium silicate thermal insulation layer that thickness is 120mm, utilizes the bitch on fan-shaped top board module inwall and auxiliary steel band is sturdy, compress, and covers furnace wall afterwards with top cover; Behind on-the-spot watch-keeping cubicle and power supply box of laying with microcomputer automatic temp housing, the scene that completes piecing assembly heat treatment heating furnace arranges.
The actually operating method of piecing assembly heat treatment heating furnace is: remove top cover; The EM equipment module that need are heat-treated hangs in stove and is placed on furnace bottom thermal expansion gearshift; Thermopair on furnace wall is stretched to the outer wall of EM equipment module, spot welding or magnetic force compress the temperature-sensitive termination of thermopair; Cover top cover; Air in the thermal source process furnace producing after switching on by electric heating sheets, utilizes the principle of air thermal convection that EM equipment module is controlled and is warming up to the required temperature of thermal treatment process; Constant temperature is to thermal treatment process specific time; Control is freely cooled to normal temperature after being cooled to the temperature of thermal treatment process regulation.
Complete after heat treatment step, remove top cover, the temperature-sensitive termination of heat of dissociation galvanic couple, EM equipment module is come out of the stove, and next module is entered stove and is used identical operation to heat-treat.
Embodiment recited above is described preferred implementation of the present utility model; not design of the present utility model and scope are limited; do not departing under the utility model design concept prerequisite; various modification and improvement that in this area, common engineering technical personnel make the technical solution of the utility model; all should fall into protection domain of the present utility model, the technology contents that the utility model is asked for protection is all documented in claims.
Claims (10)
1. a piecing assembly heat treatment heating furnace, it is characterized in that comprising gengon structure body of heater (1), furnace bottom (2), the circular cone bench-type structure furnace roof that fan-shaped top board module (3) and circular cover (4) are assembled, the three plate furnace wall of lattice modules (5), the two plate furnace wall of lattice modules (6) and the plate furnace wall of single lattice module (7), described gengon structure body of heater (1) is arranged on furnace bottom (2), gengon structure body of heater (1) is provided with by a plurality of segment cover top board modules (3) and the assembled circular cone bench-type furnace roof top structure of circular cover (4), gengon structure body of heater (1) is by the three plate furnace wall of lattice modules (5), the two plate furnace wall of lattice modules (6) and the plate furnace wall of single lattice module (7) be spicing forming type mutually.
2. piecing assembly heat treatment heating furnace according to claim 1, it is characterized in that the described three plate furnace wall of lattice modules (5) comprise the frame (8) of shaped as frame and the steel plate of putting more energy into (9) on frame, vertical two outer sides of frame (8) are inclined-plane (11), the angle of inclination Q on inclined-plane (11) is 5-30 degree, and frame (8) is provided with joint bolt hole (10).
3. piecing assembly heat treatment heating furnace according to claim 1, it is characterized in that the described two plate furnace wall of lattice modules (6) comprise the frame (8) of shaped as frame and the steel plate of putting more energy into (9) on frame, vertical two outer sides of frame (8) are inclined-plane (11), the angle of inclination Q on inclined-plane (11) is 5-30 degree, and frame (8) is provided with joint bolt hole (10).
4. piecing assembly heat treatment heating furnace according to claim 1, it is characterized in that described single lattice plate furnace wall modules (7) comprise the frame (8) of shaped as frame, vertical two outer sides of frame (8) are inclined-plane (11), the angle of inclination Q on inclined-plane (11) is 5-30 degree, and frame (8) is provided with joint bolt hole (10).
5. piecing assembly heat treatment heating furnace according to claim 1, it is characterized in that described fan-shaped top board module (3) comprises round steel cross bar (40), channel-section steel brace (41) and round steel montant (42), round steel cross bar (40), channel-section steel brace (41) and round steel montant (42) form triangular structure, between fan-shaped top board module (3), by joint bolt hole (43), connect.
6. piecing assembly heat treatment heating furnace according to claim 1, is characterized in that described furnace bottom (2) is concrete pouring structure.
7. piecing assembly heat treatment heating furnace according to claim 1, is characterized in that described furnace bottom arranges thermal expansion gearshift.
8. piecing assembly heat treatment heating furnace according to claim 1, is characterized in that described furnace bottom (2) and the inner small pieces of cloth used for patches pure aluminium silicate of gengon structure body of heater (1) thermal insulation layer.
9. piecing assembly heat treatment heating furnace according to claim 1, is characterized in that described furnace bottom (2) layout electric heating sheets support and electric heating sheets.
10. piecing assembly heat treatment heating furnace according to claim 1, is characterized in that the upper telescoping thermopair of installing of described gengon structure body of heater (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420381325.4U CN203999680U (en) | 2014-07-10 | 2014-07-10 | Piecing assembly heat treatment heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420381325.4U CN203999680U (en) | 2014-07-10 | 2014-07-10 | Piecing assembly heat treatment heating furnace |
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| CN201420381325.4U Expired - Fee Related CN203999680U (en) | 2014-07-10 | 2014-07-10 | Piecing assembly heat treatment heating furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120217A (en) * | 2014-07-10 | 2014-10-29 | 中石化南京工程有限公司 | Assembly type thermal treatment heating furnace and constructing method thereof |
| CN105936965A (en) * | 2015-03-03 | 2016-09-14 | 株式会社三井高科技 | Heat-treatment apparatus and heat-treatment method |
| CN109870027A (en) * | 2017-12-04 | 2019-06-11 | 江苏洪诚健康科技有限公司 | A kind of Split type gas heating furnace |
| IT202100022901A1 (en) * | 2021-09-03 | 2023-03-03 | Trater S R L Trattamenti Termici Ind Milano | Modular oven for heat treatment of manufactured articles |
-
2014
- 2014-07-10 CN CN201420381325.4U patent/CN203999680U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120217A (en) * | 2014-07-10 | 2014-10-29 | 中石化南京工程有限公司 | Assembly type thermal treatment heating furnace and constructing method thereof |
| CN104120217B (en) * | 2014-07-10 | 2017-05-10 | 中石化南京工程有限公司 | Assembly type thermal treatment heating furnace and constructing method thereof |
| CN105936965A (en) * | 2015-03-03 | 2016-09-14 | 株式会社三井高科技 | Heat-treatment apparatus and heat-treatment method |
| CN105936965B (en) * | 2015-03-03 | 2020-07-28 | 株式会社三井高科技 | Heat treatment apparatus and heat treatment method |
| US11174527B2 (en) | 2015-03-03 | 2021-11-16 | Mitsui High-Tec, Inc. | Heat-treatment apparatus and heat-treatment method |
| CN109870027A (en) * | 2017-12-04 | 2019-06-11 | 江苏洪诚健康科技有限公司 | A kind of Split type gas heating furnace |
| IT202100022901A1 (en) * | 2021-09-03 | 2023-03-03 | Trater S R L Trattamenti Termici Ind Milano | Modular oven for heat treatment of manufactured articles |
| EP4145078A1 (en) * | 2021-09-03 | 2023-03-08 | Trater S.r.l. Trattamenti Termici Industriali Milano | Modular furnace for the heat treatment of articles |
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Granted publication date: 20141210 Termination date: 20210710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |