CN202643775U - Quenching furnace - Google Patents
Quenching furnace Download PDFInfo
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- CN202643775U CN202643775U CN 201220294036 CN201220294036U CN202643775U CN 202643775 U CN202643775 U CN 202643775U CN 201220294036 CN201220294036 CN 201220294036 CN 201220294036 U CN201220294036 U CN 201220294036U CN 202643775 U CN202643775 U CN 202643775U
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- spray bar
- oil
- quenching
- curtain
- side room
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Abstract
The utility model relates to a quenching furnace, which comprises a hearth and a blanking passage, wherein the blanking passage is arranged at the material discharging end of the hearth and is communicated with a quenching tank, an oil curtain mechanism is arranged between the lower part of the blanking passage and the quenching tank and comprises an oil curtain chamber, the upper end of the oil curtain chamber is communicated with the blanking passage, the lower end of the oil curtain chamber is communicated with the quenching tank, an oil spraying pipe and arc-shaped oil curtain plates are respectively arranged on two opposite side walls of the oil curtain chamber, the oil spraying pipe extends in a transverse direction, the arc-shaped oil curtain plates are positioned under the oil spraying pipe, a plurality of spray nozzles with openings facing the arc-shaped oil curtain plates are arranged on the oil spraying pipe, the spray nozzles are distributed in the axial direction of the oil spray pipe, and in addition, the arc-shaped oil curtain plates (7 and 8) downwards arch and extend towards the blanking passage (2). The utility model provides the improved oil curtain mechanism on the existing relative patent basis, a large amount of steam and oil smoke in the quenching tank are effectively prevented from entering the hearth, the generation of the problem of frequent oil passage blockage is reduced, and the equipment overhauling cost is saved.
Description
Technical field
The utility model belongs to the equipment for Heating Processing field, particularly relates to a kind of quenching furnance.
Background technology
Workpiece is when quenching, need in the quenching furnace chamber, to heat 850 ℃, workpiece runs to that travelling belt is terminal to be fallen to entering blanking channel in stove, is immersed in the quenching tank after the cooling, finally by quenching tank raising legs rising workpiece and finish quenching process, in quenching process, can produce a large amount of aqueous vapor and oil smoke and rise in the burner hearth, workpiece is falling into quenching tank, and fluid is splash, enter in the burner hearth, cause the quenching Quality Down of workpiece.
Present up-to-date Chinese patent 200820199488.5, it discloses a kind of spray-proof quenching furnace, done corresponding improvement for this problem, this quenching furnance mainly comprises burner hearth, quenching tank, sidewall at blanking channel is fixedly connected with the nozzle that sprays quenching oil, has shutoff locating be used to the adjustable plate of regulating oily curtain spraying pressure in oily curtain outlet on this nozzle; Yet the problem of its existence is:
1. nozzle is very few, only has three nozzles on the whole blanking channel, and oily curtain area coverage is inhomogeneous, still has aqueous vapor in the incomplete quench groove and oil smoke and breaks through oily curtain and rise in the burner hearth;
2. nozzle is unidirectional to whole blanking channel atomizing of liquids, spray penetration is larger, therefore needs to improve the spraying pressure of nozzle, and the method that in general improves its spraying pressure has two kinds, a kind of is the spraying pressure that improves whole oil pipeline, can increase extra-expense like this; Another mode is to reduce the outlet-port size by regulating this oil curtain spraying pressure adjustable plate, and the size of this outlet-port all is controlled in the 3mm usually, owing to have oil smoke and carbon black in the burner hearth, so this outlet-port is easy to block;
3. because this nozzle and adjustable plate shape are special, usually need in the end and carry out screw along the both direction of the horizontal direction of quenching furnance discharge port and fix, need tens screw lockings, dismounting and very trouble is installed all.
Summary of the invention
Of the prior artly go out that oil burner nozzle stops up easily and the problem of nozzle dismounting complexity for overcoming, the purpose of this utility model provides oily curtain mechanism and is easy to a kind of quenching furnance of safeguarding and installing.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of quenching furnance includes burner hearth, is arranged on the discharge end of described burner hearth and the blanking channel that is connected with quenching tank; Be provided with oily curtain mechanism between the bottom of described blanking channel and the quenching tank, it is characterized in that: described oily curtain mechanism comprises the oily curtain chamber that the upper end is connected with described blanking channel the lower end is connected with described quenching tank, the arc oil curtain plate that is respectively arranged with the identical spray bar that extends transversely of structure on the two relative sidewalls of described oily curtain chamber and is positioned at described spray bar below, offer a plurality of openings on the described spray bar towards the nozzle of described arc oil curtain plate, a plurality of described nozzles are along the axial distribution of described spray bar, and described arc oil curtain plate arches upward downwards and extends towards described whereabouts passage.
Preferably, the relative both sides of described oily curtain chamber are provided with respectively two side rooms with the intracavity inter-connection of described oily curtain chamber, and a pair of described spray bar and arc oil curtain plate are separately positioned in the described side room of both sides.
Preferably, be connected by opening between described side room and the oily curtain chamber, described opening is surrounded by sidewall and the described arc oil curtain plate in described side room.
Preferably, described spray bar comprises spray bar main body and the spray bar joint that runs through two ends, described oily curtain chamber, described spray bar joint removably is connected to an end in described the first side room, one end of described spray bar main body removably is connected on this spray bar joint, and the other end of described spray bar main body removably is connected to the other end in described the first side room.
Preferably, described spray bar main body one end, described spray bar joint and described the first side room one end are connected by the first flange component; The described spray bar main body the other end and the described first side room the other end are connected by the second flange component.
Preferably, distance is 10-20mm between adjacent two described nozzles (9,10).
Preferably, the radius of described nozzle (9,10) is 3-7mm.
The utility model principle of work is:
A kind of quenching furnance of the utility model, at blanking channel two groups of symmetrical spray bars are set, when the oil pipeline that connects spray bar is opened, quenching oil is under the effect of oil pipeline pressure, by each nozzle on the spray bar, be sprayed on the arc oil curtain plate, because arc oil curtain plate is to the inclination of blanking channel, so that quenching oil sprays and produces uniform Waterfall type oil curtain to blanking channel; Two-way spray bar produces relative Waterfall type oil curtain, and whole blanking channel space is airtight, can stop effectively that a large amount of aqueous vapor and oil smoke enters burner hearth in the quenching tank, avoids knot carbon in the burner hearth, improves the quenching quality of workpiece.
Because technique scheme is used, the utility model compared with prior art has following advantages:
The utility model provides a kind of improved oily curtain mechanism on existing Patents basis, at blanking channel two groups of symmetrical spray bars are set, offer a plurality of openings on the spray bar towards the nozzle of described arc oil curtain plate, can be two-way spray and produce uniform Waterfall type oil curtain to blanking channel, can increase projected area and injection dynamics; Aqueous vapors a large amount of in the utility model nozzle and the quenching tank directly do not contact with oil smoke, and the size of nozzle will be twice than usually oil curtain mechanism jet size, can reduce the problem generation that oil duct blocks often; The ring flange two ends of dismounting spray bar are fixed by four screws respectively, only need the removal screw with the whole removal of spray bar, to be convenient to follow-up maintenance maintenance, and can to save the overhaul of the equipments cost in cleaning course.
Description of drawings
Accompanying drawing 1 is the structural representation of quenching furnance of the present utility model;
Accompanying drawing 2 is quenching furnace oil curtain mechanism structure synoptic diagram of the present utility model;
Accompanying drawing 3 is the structural representation of quenching furnance spray bar of the present utility model;
In the above accompanying drawing: 1, burner hearth; 2, blanking channel; 3, quenching tank; 4, oily curtain chamber; 5, the first spray bar; 6, the second spray bar; 7, the first arc oil curtain plate; 8, the second arc oil curtain plate; 9, nozzle; 10, nozzle; 41, the first side room; 42, the second side room; 43, the first opening; 44, the second opening; 45, the sidewall in the first side room; 46, the sidewall in the second side room; 51, spray bar main body; 52, spray bar joint; 53, the first flange component; 54, the second flange component; 531, the first mounting flange; 532, first can revolve flange; 533, spacer flanger; 541, the second mounting flange; 542, second can revolve flange; 11, oil-resistant gasket seal.
Embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is further described:
Referring to accompanying drawing 1, a kind of quenching furnance of the present invention includes burner hearth 1, is arranged on the discharge end of described burner hearth 1 and the blanking channel 2 that is connected with quenching tank 3, is provided with between the bottom of described blanking channel 2 and the quenching tank 3 oily curtain mechanism; Referring to accompanying drawing 2, described oily curtain mechanism comprises the oily curtain chamber 4 that the upper end is connected with described blanking channel 2 lower end is connected with described quenching tank 3, be respectively arranged with structure identical and the first spray bar 5 and the second spray bar 6 that extend transversely on the two relative sidewalls of described oily curtain chamber 4 and be positioned at described the first spray bar 5 and the first arc of the second spray bar 6 belows oil curtain plate 7 and the second arc oil curtain plate 8, offer a plurality of openings on described the first spray bar 5 and the second spray bar 6 towards nozzle 9 and the nozzle 10 of described the first arc oil curtain plate 7 and the second arc oil curtain plate 8, referring to accompanying drawing 3, a plurality of described nozzles 9 and nozzle 10 are respectively along the axial distribution of described the first spray bar 5 and the second spray bar 6, distance is 10-20mm between two adjacent nozzles, and the radius of single-nozzle is 3-7mm.Described the first arc oil curtain plate 7 and the second arc oil curtain plate 8 arch upward downwards and extend towards passage 2 positions, described whereabouts.Quenching oil is by each nozzle on the first spray bar 5 and the second spray bar 6, be sprayed on the plate face of the first arc oil curtain plate 7 and the second arc oil curtain plate 8, because described the first arc oil curtain plate 7 and the second arc oil curtain plate 8 tilt to described blanking channel 2, so that quenching oil sprays and produces uniform Waterfall type oil curtain to described blanking channel 2; The first two-way spray bar 5 produces relative Waterfall type oil curtain with the second spray bar 6, and whole described blanking channel 2 spaces are airtight, can stop effectively that quenching tank 3 interior a large amount of aqueous vapors and oil smoke enter burner hearth 1.
Referring to 2 one kinds of quenching furnace oils of accompanying drawing curtain system architecture synoptic diagram, the relative both sides of described oily curtain chamber 4 are provided with respectively two the first side room 41 and the second side rooms 42 with the intracavity inter-connection of described oily curtain chamber, and a pair of described the first spray bar 5 and the second spray bar 6 and the first arc oil curtain plate 7 and the second arc oil curtain plate 8 are separately positioned in described first side room 41 and the second side room 42 of both sides.Be connected by the first opening 43 and the second opening 44 respectively between described the first side room 41 and the second side room 42 and the oily curtain chamber 4, described the first opening 43 and the second opening 44 are surrounded with described the first arc oil curtain plate 7 and the second arc oil curtain plate 8 by the sidewall 45 in described the first side room and the sidewall 46 in the second side room respectively.Described the first side room 41 is identical with the second side room 42 internal structures, one of them described the first side room 41 inner described the first spray bar 5 structural representation can be referring to accompanying drawing 3, described the first spray bar 5 comprises spray bar main body 51 and the spray bar joint 52 that runs through 4 two ends, described oily curtain chamber, described spray bar joint 52 removably is connected to the end in described the first side room 41 jointly by the first flange component 53 with described spray bar main body 51 1 ends, the other end of described spray bar main body 51 removably is connected to the other end in described the first side room 41 by the second flange component 54.
Described the first flange component 53 comprises that the first mounting flange 531, first can revolve flange 532, spacer flanger 533, and described the first mounting flange 531 is connected to described spray bar main body 51 1 ends and is fixed on described the first side room 41 1 ends; Seal by oil-resistant gasket seal 11 between described the first mounting flange 531 and the described spacer flanger 533, described spacer flanger 533 and described first can revolve between the flange 532 by oil-resistant gasket seal 11 sealings, described first can revolve that flange 532 is connected to described spray bar joint 52 1 ends and by four bolts on the ring flange and washer sealing on described spacer flanger 533 and the first mounting flange 531; Described the second flange component 54 comprises that the second mounting flange 541, second can revolve flange 542, and described the second mounting flange 541 is connected to described spray bar main body 51 the other ends and is fixed on described the first side room 41 the other ends; Described the second mounting flange 541 and described second can revolve between the flange 542 by oil-resistant gasket seal 11 sealings, described second can revolve flange 542 by four bolts on the ring flange and washer sealing on described the second mounting flange 541.The Main Function of its oil-resistant gasket seal 11 is to prevent that quenching oil from leaking, preferably the oil resisting rubber pad.
In the maintenance process, described the first spray bar 5 interior described spray bar main body 51 integral body can be revolved four bolts that flange 532 and second can revolve on the flange 542 by described first of loosening described the first side room 41 ports and taken out, and can remove carbon distribution and dust on 41 interior described the first arcs oil curtain plates 7 of described the first side room; Described conduit spray bar main body 51 also can be taken out cleaning, and subsequent installation is convenient.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (7)
1. a quenching furnance includes burner hearth (1), is arranged on the discharge end of described burner hearth (1) and the blanking channel (2) that is connected with quenching tank (3); Be provided with oily curtain mechanism between the bottom of described blanking channel (2) and the quenching tank (3), it is characterized in that: described oily curtain mechanism comprises the oily curtain chamber (4) that the upper end is connected with described blanking channel (2) lower end is connected with described quenching tank (3), be respectively arranged with the identical spray bar that extends transversely (5 of structure on the two relative sidewalls of described oily curtain chamber (4), 6) and be positioned at described spray bar (5,6) arc of below oil curtain plate (7,8), described spray bar (5,6) offer a plurality of openings on towards described arc oil curtain plate (7,8) nozzle (9,10), a plurality of described nozzles (9,10) along described spray bar (5,6) axial distribution, and described arc oil curtain plate (7,8) arch upward downwards and extend towards described whereabouts passage (2).
2. a kind of quenching furnance according to claim 1, it is characterized in that: the relative both sides of described oily curtain chamber (4) are provided with respectively two side rooms (41,42) with the intracavity inter-connection of described oily curtain chamber, and a pair of described spray bar (5,6) and arc oil curtain plate (7,8) are separately positioned in the described side room (41,42) of both sides.
3. a kind of quenching furnance according to claim 2, it is characterized in that: be connected by opening (43,44) between described side room (41,42) and the oily curtain chamber (4), described opening (43,44) is surrounded with described arc oil curtain plate (7,8) by the sidewall (45,46) in described side room.
4. a kind of quenching furnance according to claim 1, it is characterized in that: described spray bar (5) comprises spray bar main body (51) and the spray bar joint (52) that runs through two ends, described oily curtain chamber (4), described spray bar joint (52) removably is connected to an end in described the first side room (41), one end of described spray bar main body (51) removably is connected on this spray bar joint (52), and the other end of described spray bar main body (51) removably is connected to the other end in described the first side room (41).
5. a kind of quenching furnance according to claim 4, it is characterized in that: described spray bar main body (51) one ends, described spray bar joint (52) and described the first side room (41) one ends are connected by the first flange component (53); Described spray bar main body (51) the other end and described the first side room (41) the other end are connected by the second flange component (54).
6. a kind of quenching furnance according to claim 1 is characterized in that: distance is 10-20mm between adjacent two described nozzles (9,10).
7. a kind of quenching furnance according to claim 1, it is characterized in that: the radius of described nozzle (9,10) is 3-7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220294036 CN202643775U (en) | 2012-06-21 | 2012-06-21 | Quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220294036 CN202643775U (en) | 2012-06-21 | 2012-06-21 | Quenching furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202643775U true CN202643775U (en) | 2013-01-02 |
Family
ID=47412910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220294036 Expired - Fee Related CN202643775U (en) | 2012-06-21 | 2012-06-21 | Quenching furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202643775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690933A (en) * | 2012-06-21 | 2012-09-26 | 苏州工业园区热处理设备厂有限公司 | Quenching furnace |
| CN103866098A (en) * | 2014-03-12 | 2014-06-18 | 江苏丰东热技术股份有限公司 | Oil curtain nozzle device |
-
2012
- 2012-06-21 CN CN 201220294036 patent/CN202643775U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690933A (en) * | 2012-06-21 | 2012-09-26 | 苏州工业园区热处理设备厂有限公司 | Quenching furnace |
| CN102690933B (en) * | 2012-06-21 | 2013-06-05 | 苏州工业园区热处理设备厂有限公司 | Quenching furnace |
| CN103866098A (en) * | 2014-03-12 | 2014-06-18 | 江苏丰东热技术股份有限公司 | Oil curtain nozzle device |
| CN103866098B (en) * | 2014-03-12 | 2016-03-16 | 江苏丰东热技术股份有限公司 | A kind of oily curtain tuyere arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130621 |