CN203869515U - Hot-air circulation furnace - Google Patents
Hot-air circulation furnace Download PDFInfo
- Publication number
- CN203869515U CN203869515U CN201420253065.2U CN201420253065U CN203869515U CN 203869515 U CN203869515 U CN 203869515U CN 201420253065 U CN201420253065 U CN 201420253065U CN 203869515 U CN203869515 U CN 203869515U
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- sides
- fire door
- dolly
- air
- heater
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- Withdrawn - After Issue
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Abstract
The utility model discloses a hot-air circulation furnace. Electric heaters are arranged in air ducts in two sides around a furnace body, and air outlets are formed in the lower ends of the air ducts in two sides; an air inlet and an air outlet of a fan mounted at the top in the furnace body are communicated with a hearth and the air ducts respectively; a trolley is located on tracks at the bottom of the hearth; n-shaped seal surfaces are arranged on the periphery of a fire door; perpendicular seal surfaces are arranged at the front end and the rear end of the trolley, and horizontal seal rings are arranged on two sides; a hot air distribution box is fixed on the trolley, air outlets are formed in the upper end surface of the hot air distribution box, and air inlets are formed in two sides; the two air inlets of the hot air distribution box correspond to two air outlets of the air ducts respectively after the trolley is in position, the front end surface of the trolley is sealed with the rear wall of the hearth, and two sides are sealed with lower end surfaces of the wall bodies on two sides of the furnace body respectively; and slideways are arranged on two sides of the fire door, two sides of a furnace door are mounted in the slideways, the furnace door is sealed with the perpendicular seal surface at the rear end of the trolley and the n-shaped seal surfaces at the fire door after falling in position, and the trolley is sealed in the hearth. According to the hot-air circulation furnace, the seal surfaces are adopted at the front and rear end surfaces of the trolley, the periphery of the fire door as well as left and right sides of the trolley for sealing, so that the hot-air circulation furnace is good in seal, little in heat loss, low in heat treatment cost, energy-saving and environment-friendly.
Description
Technical field
The utility model belongs to heat-treatment furnace technical field, is specifically related to a kind of recirculation furnace.
Background technology
At present, heat treatment of workpieces stove mostly adopts the heat that electric heater group produces to be directly radiated heated surface of the work, and the uniformity of workpiece heating is extremely restricted, and directly affects product quality.The sealing of particularly carrying dolly and body of heater adopts labyrinth type or husky slot type, seals seriously badly, and the seal clearance of body of heater and fire door is larger in addition, causes serious heat loss, and heat treatment cost is too high, and wastes energy, contaminated environment.
Summary of the invention
The technical problem that the utility model solves: design a kind of recirculation furnace, the one, adopt Cycling hot-blast heating, guaranteed the uniformity of workpiece heating, guaranteed product quality; The 2nd, carrying dolly rear and front end face, fire door periphery, the carrying dolly left and right sides all adopt sealing surface sealing, good seal, and thermal loss is little, and heat treatment cost is low, and energy-conserving and environment-protective.
The technical solution adopted in the utility model: a kind of recirculation furnace, there is body of heater, both sides and the top of described body of heater are provided with air channel, and the left and right sides is provided with electric heater in air channel, and the lower end in air channel, the left and right sides all has air outlet; Described inboard wall of furnace body center of top is equipped with blower fan, and the air inlet of blower fan communicates with burner hearth, and air outlet communicates with air channel; The bottom of described burner hearth has track, and dolly is positioned on track; The front end of described body of heater has fire door, and the both sides of fire door and top have a shape sealing surface; The front and back end of described dolly all has vertical seal face, and the both sides of dolly all have horizontal seal face, is fixed with hot blast distributor box on dolly, and the upper surface of hot blast distributor box has air outlet, and both sides all have air inlet; After described dolly puts in place, described two air inlets are corresponding with two air outlets respectively, described front end vertical seal face is against on burner hearth rear wall, rear end vertical seal face is positioned on same facade with door shape sealing surface, both sides horizontal seal face lays respectively at the below of body of wall lower surface, body of heater both sides, and the front end face of dolly and the sealing of burner hearth rear wall, both sides are sealed with the body of wall lower surface, both sides of body of heater respectively; The top of described body of heater is provided with winch, the both sides of fire door are provided with slideway, pulley is equipped with at the top of slideway, the both sides of fire door are contained in slideway, the top of fire door is connected with winch after pulley guiding by steel cable, after fire door falls to putting in place, seal with the rear end vertical seal face of dolly and the door shape sealing surface of fire door, dolly is sealed in burner hearth.
Horizontal seal mechanism is all equipped with at body of wall lower surface, the both sides place of described body of heater, described horizontal seal mechanism by seal closure, trunnion axis, win in succession, connecting rod, horizontal seal plate and action bars form; Described seal closure is inlaid in the place, body of wall lower surface, both sides of body of heater, the outer end of trunnion axis be positioned at both walls external and its on be fixed with action bars, the inner of trunnion axis is arranged on the top of seal closure through body of wall, win in succession and be fixed on the inner of trunnion axis and be positioned at seal closure, on the upper end of connecting rod is hinged on and wins in succession, lower end is connected with the upper surface of horizontal seal plate, and make horizontal seal plate be positioned at the top of dolly both sides horizontal seal face, after dolly puts in place, move action bars and make horizontal seal plate fall to being closely attached on horizontal seal face.
Described slideway is grooved, and the upper slanting baffle and the lower slanting baffle that in slideway, there is longitudinal baffle and tilt to fire door, the Qie Qi upper end, bottom that described upper slanting baffle is positioned at slideway is connected with the lower end of longitudinal baffle, and parallel below and its two ends that are positioned at slanting baffle of lower slanting baffle are connected with the two side of slideway respectively; On described longitudinal baffle, have breach, the both sides of described fire door are all provided with upper roller and bottom roller, and upper roller and bottom roller are all between slideway lateral wall and longitudinal baffle; The both sides, top of described fire door are all fixed with movable slider, the top of two slideways is all fixed with fixedly slide block, after fire door falls to putting in place, bottom roller is between upper slanting baffle and lower slanting baffle, and movable slider makes upper roller enter breach under the effect on the inner inclined-plane of fixing slide block, fire door is pressed on the rear end vertical seal face of dolly and the door shape sealing surface of fire door to fire door displacement.
Described door shape sealing surface, the front and back end vertical seal face of dolly and the both sides horizontal seal face of dolly are double sealing face.
Described hot blast distributor box distributes card to form by base plate, support limit stop and hot blast; Described base plate is supported and fixed on the top of dolly by biside plate; Described hot blast distributes card by uniform support limit stop, to be supported and fixed on the top of base plate, hot blast is distributed between card and base plate both sides and form respectively two air inlets; Described hot blast distributes uniform air outlet on card.
The utlity model has following advantage and effect:
1, adopt Cycling hot-blast heating, guaranteed the uniformity of workpiece heating, guaranteed product quality;
2, carrying dolly rear and front end face, fire door periphery, the carrying dolly left and right sides all adopt the sealing of double sealing face, good seal; The fire door automatic impaction that puts in place, has realized the excellent sealing of body of heater and fire door.Thermal loss is little, and heat treatment cost is low, and energy-conserving and environment-protective.
3, adopt hot blast distributor box, guaranteed that the air quantity that in burner hearth, each position is distributed is tending towards equilibrium state, further guaranteed the uniformity of workpiece heating;
4, dynamic seal (packing) is realized by operant level sealing mechanism in the carrying dolly left and right sides, makes sealing effectiveness obtain greatly improving.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model,
Fig. 2 is structure left view of the present utility model,
Fig. 3 is the structural front view of the utility model dolly,
Fig. 4 is the structure left view of the utility model dolly,
Fig. 5 is the structure top view of the utility model dolly,
Fig. 6 is the structural representation of the utility model horizontal seal mechanism,
Fig. 7 is the partial structurtes side view of the utility model fire door and slideway,
Fig. 8 is the partial structurtes top view of the utility model fire door and slideway.
The specific embodiment
In conjunction with Fig. 1,2,3,4,5,6,7,8, a kind of embodiment of the present utility model is described.
A recirculation furnace, has body of heater 1, and the both sides of described body of heater 1 and top are provided with air channel 2, is provided with electric heater 38 in air channel, the left and right sides, and the lower end in air channel, the left and right sides all has air outlet 12; Described body of heater 1 inwall center of top is equipped with blower fan 3, and the air inlet of blower fan 3 communicates with burner hearth 4, and air outlet communicates with air channel 2; The bottom of described burner hearth 4 has track 5, and dolly 6 is positioned on track 5; The front end of described body of heater 1 has fire door, and the both sides of fire door and top have a shape sealing surface 7; The front and back end of described dolly 6 all has vertical seal face 8, and the both sides of dolly 6 all have horizontal seal face 9, is fixed with hot blast distributor box 10 on dolly 6, and the upper surface of hot blast distributor box 10 has air outlet, and both sides all have air inlet 11; After described dolly 6 puts in place, described two air inlets 11 are corresponding with two air outlets 12 respectively, described front end vertical seal face 8 is against on burner hearth 4 rear walls, rear end vertical seal face 8 is positioned on same facade with door shape sealing surface 7, both sides horizontal seal face 9 lays respectively at the below of body of heater 1 body of wall lower surface, both sides, and the front end face of dolly 6 and burner hearth 4 rear wall sealings, both sides are sealed with the body of wall lower surface, both sides of body of heater 1 respectively; The top of described body of heater 1 is provided with winch 13, the both sides of fire door are provided with slideway 14, pulley 15 is equipped with at the top of slideway 14, the both sides of fire door 16 are contained in slideway 14, the top of fire door 16 is connected with winch 13 after pulley 15 guiding by steel cable 17, after fire door 16 falls to putting in place, seal with the rear end vertical seal face 8 of dolly 6 and the door shape sealing surface 7 of fire door, dolly 6 is sealed in burner hearth 4.
Horizontal seal mechanism 18 is all equipped with at body of wall lower surface, the both sides place of described body of heater 1, described horizontal seal mechanism 18 by seal closure 19, trunnion axis 20, win 21 in succession, connecting rod 22, horizontal seal plate 36 and action bars 23 form, described seal closure 19 is inlaid in the place, body of wall lower surface, both sides of body of heater 1, the outer end of trunnion axis 20 be positioned at both walls external and its on be fixed with action bars 23, the inner of trunnion axis 20 is arranged on the top of seal closure 19 through body of wall, win in succession and 21 be fixed on the inner of trunnion axis 20 and be positioned at seal closure 19, the upper end of connecting rod 22 is hinged on wins in succession on 21, lower end is connected with the upper surface of horizontal seal plate 36, and make horizontal seal plate 36 be positioned at the top of dolly 6 both sides horizontal seal faces 9, after dolly 6 puts in place, moving action bars 23 makes horizontal seal plate 36 fall to being closely attached on horizontal seal face 9.
Described slideway 14 is grooved, and the upper slanting baffle 27 and the lower slanting baffle 28 that in slideway 14, there is longitudinal baffle 26 and tilt to fire door, the Qie Qi upper end, bottom that described upper slanting baffle 27 is positioned at slideway 14 is connected with the lower end of longitudinal baffle 26, and parallel below and its two ends that are positioned at slanting baffle 27 of lower slanting baffle 28 are connected with the two side of slideway 14 respectively; On described longitudinal baffle 26, have breach 29, the both sides of described fire door 16 are all provided with upper roller 24 and bottom roller 25, and upper roller 24 and bottom roller 25 are all between slideway 14 lateral walls and longitudinal baffle 26; The both sides, top of described fire door 16 are all fixed with movable slider 30, the top of two slideways 14 is all fixed with fixedly slide block 31, after fire door 16 falls to putting in place, bottom roller 25 is between upper slanting baffle 27 and lower slanting baffle 28, and movable slider 30 makes upper roller 24 enter breach 29 under the effect on fixing slide block 31 inner inclined-planes, fire door 16 is pressed on the rear end vertical seal face 9 of dolly 6 and the door shape sealing surface 7 of fire door to fire door displacement.
Described door shape sealing surface 7, the front and back end vertical seal face 8 of dolly 6 and the both sides horizontal seal face 9 of dolly 6 are double sealing face.
Described hot blast distributor box 10 distributes card 34 to form by base plate 32, support limit stop 33 and hot blast; Described base plate 32 is supported and fixed on the top of dolly 6 by biside plate 35; Described hot blast distributes card 34 by uniform support limit stop 33, to be supported and fixed on the top of base plate 32, hot blast is distributed between card 34 and base plate 32 both sides and form respectively two air inlets 11; Described hot blast distributes uniform air outlet on card 34.
The course of work:
The first step: workpiece 37 is placed in dolly 6 hot blasts and distributes on card 34, and moves to burner hearth 4 by track 5, makes the front end face of dolly 6 and burner hearth 4 rear walls seal by front end vertical seal face 8; Operation left and right horizontal sealing mechanism 18, makes horizontal seal plate 36 fall to being closely attached on horizontal seal face 9, guarantees dolly both sides and dolly rear end face good seal.By machine driving, put down fire door 16, the movable slider 30 on fire door 16, under the effect on fixing slide block 31 inner inclined-planes, makes fire door 16 be pressed on the rear end vertical seal face 8 of dolly 6 and the door shape sealing surface 7 of fire door to fire door displacement.Double-channel door shape sealing surface 7, dolly front and back end two pass vertical seal face 8, dolly both sides two pass horizontal seal face 9 by fire door are sealed in workpiece 37 in burner hearth 4.
Second step: blower fan 3 is as hot air circulation power, hot blast enters hot blast distributor box 10 by air channel 2 through air outlet 12, air inlet 11 after 38 heating of left and right electric heater, through support limit stop 33, stop shunting distributes card 34 uniform distributions by hot blast after and enter burner hearth 4 again, to being heated workpiece 37, heat, and then again after 38 heating of left and right electric heater, enter burner hearth 4 through blower fan 3 suction air channels 2, workpiece is carried out to continuous circulation heating.
The 3rd step: after heat treatment process completes, rise fire door 16 by machine driving, operation dolly left and right horizontal sealing mechanism 18, rises horizontal seal plate 36, by track 5, dolly 6 is shifted out to burner hearth 4, unloads workpiece 37.
The principle that the utility model has utilized circulated air to have fast transport heat energy realizes the Fast Heating to workpiece, excellent sealing effect simultaneously that utilized dexterously double sealing mask to have, and the carrying dolly left and right sides is realized dynamic seal (packing), the fire door automatic impaction that puts in place by operant level sealing mechanism and is sealed, realized the thorough sealing to burner hearth, thermal loss is little, heat treatment cost is low, and energy-conserving and environment-protective, has the plurality of advantages such as simple to operate, rational in infrastructure, reliable simultaneously.
Above-described embodiment, is preferred embodiment of the present utility model, is not used for limiting the utility model practical range, thus all equivalent variations of being done with content described in the utility model claim, within all should being included in the utility model claim scope.
Claims (5)
1. a recirculation furnace, there is body of heater (1), it is characterized in that: the both sides of described body of heater (1) and top are provided with air channel (2), in air channel, the left and right sides, be provided with electric heater (38), and the lower end in air channel, the left and right sides all has air outlet (12); Described body of heater (1) inwall center of top is equipped with blower fan (3), and the air inlet of blower fan (3) communicates with burner hearth (4), and air outlet communicates with air channel (2); The bottom of described burner hearth (4) has track (5), and dolly (6) is positioned on track (5); The front end of described body of heater (1) has fire door, and the both sides of fire door and top have a shape sealing surface (7); The front and back end of described dolly (6) all has vertical seal face (8), the both sides of dolly (6) all have horizontal seal face (9), on dolly (6), be fixed with hot blast distributor box (10), and the upper surface of hot blast distributor box (10) has air outlet, both sides all have air inlet (11); After described dolly (6) puts in place, described two air inlets (11) are corresponding with two air outlets (12) respectively, described front end vertical seal face (8) is against on burner hearth (4) rear wall, rear end vertical seal face (8) is positioned on same facade with door shape sealing surface (7), both sides horizontal seal faces (9) lay respectively at the below of body of wall lower surface, body of heater (1) both sides, and the front end face of dolly (6) and the sealing of burner hearth (4) rear wall, both sides are sealed with the body of wall lower surface, both sides of body of heater (1) respectively; The top of described body of heater (1) is provided with winch (13), the both sides of fire door are provided with slideway (14), pulley (15) is equipped with at the top of slideway (14), the both sides of fire door (16) are contained in slideway (14), the top of fire door (16) is connected with winch (13) after pulley (15) guiding by steel cable (17), after fire door (16) falls to putting in place, seal with the rear end vertical seal face (8) of dolly (6) and the door shape sealing surface (7) of fire door, dolly (6) is sealed in burner hearth (4).
2. recirculation furnace as claimed in claim 1, it is characterized in that: horizontal seal mechanism (18) is all equipped with at the place, body of wall lower surface, both sides of described body of heater (1), and described horizontal seal mechanism (18) is comprised of seal closure (19), trunnion axis (20), win in succession (21), connecting rod (22), horizontal seal plate (36) and action bars (23), described seal closure (19) is inlaid in the place, body of wall lower surface, both sides of body of heater (1), the outer end of trunnion axis (20) be positioned at both walls external and its on be fixed with action bars (23), the inner of trunnion axis (20) is arranged on the top of seal closure (19) through body of wall, win in succession (21) be fixed on the inner of trunnion axis (20) and be positioned at seal closure (19), the upper end of connecting rod (22) is hinged on wins in succession on (21), lower end is connected with the upper surface of horizontal seal plate (36), and make horizontal seal plate (36) be positioned at the top of dolly (6) both sides horizontal seal faces (9), after dolly (6) puts in place, moving action bars (23) makes horizontal seal plate (36) fall to being closely attached on horizontal seal face (9).
3. recirculation furnace as claimed in claim 1 or 2, it is characterized in that: described slideway (14) is grooved, and the upper slanting baffle (27) and the lower slanting baffle (28) that in slideway (14), there is longitudinal baffle (26) and tilt to fire door, the Qie Qi upper end, bottom that described upper slanting baffle (27) is positioned at slideway (14) is connected with the lower end of longitudinal baffle (26), and parallel below and its two ends that are positioned at slanting baffle (27) of lower slanting baffle (28) are connected with the two side of slideway (14) respectively; On described longitudinal baffle (26), there is breach (29), the both sides of described fire door (16) are all provided with upper roller (24) and bottom roller (25), and upper roller (24) and bottom roller (25) are all positioned between slideway (14) lateral wall and longitudinal baffle (26); The both sides, top of described fire door (16) are all fixed with movable slider (30), the top of two slideways (14) is all fixed with fixedly slide block (31), after fire door (16) falls to putting in place, bottom roller (25) is positioned between slanting baffle (27) and lower slanting baffle (28), and movable slider (30) makes upper roller (24) enter breach (29) under the effect on the fixing inner inclined-plane of slide block (31), fire door (16) is pressed on the rear end vertical seal face (8) of dolly (6) and the door shape sealing surface (7) of fire door to fire door displacement.
4. recirculation furnace as claimed in claim 3, is characterized in that: described door shape sealing surface (7), the front and back end vertical seal face (8) of dolly (6) and the both sides horizontal seal faces (9) of dolly (6) are double sealing face.
5. recirculation furnace as claimed in claim 4, is characterized in that: described hot blast distributor box (10) distributes card (34) to form by base plate (32), support limit stop (33) and hot blast; Described base plate (32) is supported and fixed on the top of dolly (6) by biside plate (35); Described hot blast distributes card (34) by uniform support limit stop (33), to be supported and fixed on the top of base plate (32), hot blast is distributed between card (34) and base plate (32) both sides and form respectively two air inlets (11); Described hot blast distributes the upper uniform air outlet of card (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253065.2U CN203869515U (en) | 2014-05-16 | 2014-05-16 | Hot-air circulation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253065.2U CN203869515U (en) | 2014-05-16 | 2014-05-16 | Hot-air circulation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203869515U true CN203869515U (en) | 2014-10-08 |
Family
ID=51650456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420253065.2U Withdrawn - After Issue CN203869515U (en) | 2014-05-16 | 2014-05-16 | Hot-air circulation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203869515U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983116A (en) * | 2014-05-16 | 2014-08-13 | 阴双丁 | Hot air circulation furnace |
| CN104654787A (en) * | 2015-02-12 | 2015-05-27 | 浙江省长兴精工电炉制造有限公司 | Box-type furnace |
| CN107664411A (en) * | 2016-07-29 | 2018-02-06 | 湖北蓝华铝业有限公司 | A kind of mould heating furnace for aluminium section bar processing |
| CN109425226A (en) * | 2017-08-31 | 2019-03-05 | 宝山钢铁股份有限公司 | A kind of off-line baking equipment |
-
2014
- 2014-05-16 CN CN201420253065.2U patent/CN203869515U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983116A (en) * | 2014-05-16 | 2014-08-13 | 阴双丁 | Hot air circulation furnace |
| CN104654787A (en) * | 2015-02-12 | 2015-05-27 | 浙江省长兴精工电炉制造有限公司 | Box-type furnace |
| CN107664411A (en) * | 2016-07-29 | 2018-02-06 | 湖北蓝华铝业有限公司 | A kind of mould heating furnace for aluminium section bar processing |
| CN109425226A (en) * | 2017-08-31 | 2019-03-05 | 宝山钢铁股份有限公司 | A kind of off-line baking equipment |
| CN109425226B (en) * | 2017-08-31 | 2020-03-06 | 宝山钢铁股份有限公司 | Off-line baking equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |