CN205856523U - A kind of chromium alloyed steel intercritical hardening annealing device - Google Patents
A kind of chromium alloyed steel intercritical hardening annealing device Download PDFInfo
- Publication number
- CN205856523U CN205856523U CN201620710032.5U CN201620710032U CN205856523U CN 205856523 U CN205856523 U CN 205856523U CN 201620710032 U CN201620710032 U CN 201620710032U CN 205856523 U CN205856523 U CN 205856523U
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- wall
- hearth
- hearth wall
- forehearth
- heating furnace
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Abstract
This utility model provides a kind of chromium alloyed steel intercritical hardening annealing device, relates to chromium alloyed steel processing technology field, and described device is included heating furnace, quenching bath, tempering furnace and air cooling device the most successively by technological process；Described heating furnace includes that heating furnace body and heating furnace, described tempering furnace include being tempered body of heater and tempering burner hearth；Described heating furnace is enclosed form by arranging the first forehearth bore wall of charging aperture, the first left hearth wall, the first right bearth wall, the first rear hearth wall, the first top hearth wall and the first end hearth wall；Heating furnace described in described tempering burner hearth is enclosed form by arranging the second forehearth bore wall of charging aperture, the second left hearth wall, the second right bearth wall, the second rear hearth wall, the second top hearth wall and the second end hearth wall, product is obtained by this device, the product structure intensity that this utility model obtains is high, and performance is good.
Description
Technical field
The present invention relates to technical field of heat treatment, be specifically related to a kind of chromium alloyed steel intercritical hardening heat treatment method and dress
Put.
Background technology
Annealing device is the device that material carries out heat treated, and current existing annealing device adds thermal effect mostly
Rate is the highest, and heats is poor, it is impossible to heat material efficiently, and major part structure is complicated, and infrastructure cost is high, and heating
Function singleness.
In consideration of it, need existing heater is further improved.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of chromium alloyed steel intercritical hardening annealing device, can
To be greatly improved the performance of chromium alloyed steel.
For realizing object above, the present invention is achieved by the following technical programs:
A kind of chromium alloyed steel intercritical hardening heat treatment method, comprises the following steps:
(1) chromium alloyed steel is placed in heating furnace, is warming up to (820-850) DEG C, be incubated (50-70) min；
(2) chromium alloyed steel after being processed by heated stove is placed in quenching water, cools down；
(3) chromium alloyed steel after being cooled down in quenched pond is placed in tempering furnace, is warming up to (580-620) DEG C, is incubated (150-
200)min；
(4) chromium alloyed steel after being processed by tempered stove is placed in air cooling device and carries out air cooling, obtains product.
Further, the temperature that described step (1) heats up is (830-840) DEG C, uses in described step (2) in quenching bath
Quenching medium be water.
Further, described device is included heating furnace, quenching bath, tempering furnace and sky the most successively by technological process
Device for cooling；Described heating furnace includes that heating furnace body and heating furnace, described tempering furnace include being tempered body of heater and tempering furnace
Thorax；Described heating furnace is by arranging the first forehearth bore wall of charging aperture, the first left hearth wall, the first right bearth wall, stove after first
Bore wall, the first top hearth wall and the first end hearth wall enclose and form；Described in described tempering burner hearth, heating furnace is by arranging charging
Second forehearth bore wall of mouth, the second left hearth wall, the second right bearth wall, the second rear hearth wall, the second top hearth wall and second
End hearth wall encloses and forms；Described first forehearth bore wall, described first left hearth wall, described first right bearth wall, described first
It is provided with the first heat-insulation layer outside rear hearth wall, described first top hearth wall and described first end hearth wall, described first
The outside of heat-insulation layer is provided with the first zone of heating；Described second forehearth bore wall, described second left hearth wall, described second right bearth
It is provided with the second heat-insulation layer outside wall, described second rear hearth wall, described second top hearth wall and described two end hearth walls,
The outside of described second heat-insulation layer is provided with the second zone of heating；Described heating furnace is respectively arranged with some pieces of the first gloves
Plate, is provided with some pieces of the second shelfs in described tempering burner hearth, described some pieces of the first shelfs, the second shelf all under
It is arranged on and in corresponding burner hearth；Described air cooling device includes packaging basket and several packaging basket cylinders, each packaging basket
The bottom of cylinder all can be spliced into entirety with the top of described packaging basket, and several packaging basket cylinders described the most also can be spliced into
Overall.
Further, the thermal element in described first zone of heating is the first resistance wire, the heat unit in described second zone of heating
Part is the second resistance wire, and all resistance wires are the most in the shape of a spiral；Described first heat-insulation layer includes the first insulating brick-layer, and described first protects
Insulating brick in temperature brick layer pile up the first forehearth bore wall, the first left hearth wall, the first right bearth wall, the first rear hearth wall, the
One top hearth wall and the outside of the first end hearth wall；Described second heat-insulation layer includes the second insulating brick-layer, described second insulation
Insulating brick in brick layer pile up the second forehearth bore wall, the second left hearth wall, the second right bearth wall, the second rear hearth wall, second
Top hearth wall and the outside of the second end hearth wall.
Further, described first forehearth bore wall, the first left hearth wall, the first right bearth wall, the first rear hearth wall are piled up
The first insulating brick-layer on be provided with and some ranked first L-type grip block；Pile up described second forehearth bore wall, the second left hearth
It is provided with on the second insulating brick-layer on wall, the second right bearth wall, the second rear hearth wall and some ranked second L-type grip block；Institute
The horizontal ends having L-type grip block is each attached on corresponding insulating brick, and the vertical end of described L-type grip block is each parallel to described
Corresponding insulating brick upwardly extends；The L-type grip block of same row is arranged in same level, the L-type clamping of adjacent two rows
Plate is arranged in parallel；Often dispose at least described first resistance wire or described first resistance wire on row's grip block；Described
One top hearth wall is provided with and some ranked first on clamp assemblies, and described second top hearth wall is provided with and some ranked second clamping group
Part, all clamp assemblies all include the type of falling Ω grip block and bolt；Two ends of the described type of falling Ω grip block are provided with
Installing hole, the described type of falling Ω grip block is fixed on the first top hearth wall or the first top stove by described bolt by described installing hole
In bore wall；Often dispose at least described first resistance wire or described second resistance wire on the row's type of falling Ω grip block；
Offer several the first grooves on described first end hearth wall, hearth wall at the bottom of described second time offers some
Individual second groove, in each groove, at least described first resistance wire or the second resistance wire are placed by army.
Further, the heating element heater in described first zone of heating includes some first resistors, described first insulation
Layer is provided with the first insulation fibre bundle；Described some first resistors are wavy to be separately fixed at first by the second bolt
Forehearth bore wall, the first left hearth wall, the first right bearth wall, the first rear hearth wall, the first top hearth wall and the first end hearth wall
Outside；Described first insulation fibre bundle all it is filled with between all of first hearth wall the first resistor corresponding thereto.
Further, state the heating element heater in the second zone of heating and include some second resistors, described second heat-insulation layer
It is provided with the second insulation fibre bundle；Described some second resistors by the 3rd bolt be wavy be separately fixed at second before
Hearth wall, the second left hearth wall, the second right bearth wall, the second rear hearth wall, the second top hearth wall and the second end hearth wall
Outside；Described second insulation fibre bundle all it is filled with between all of second hearth wall the second resistor corresponding thereto.
Further, on described first left hearth wall, the first right bearth wall, symmetry offers several the first guide-track grooves, institute
State symmetry on the second left hearth wall, the second right bearth wall and offer several the second guide-track grooves；Described first shelf.Second plants
What thing plate slided is arranged in the guide-track groove of correspondence.
Further, all shelfs all offer several through holes.
Further, the top of described packaging basket and the top of packaging basket cylinder all offer groove, described packaging basket cylinder
Bottom be provided with projection, described projection can be fastened in described groove.
It is an advantage of the current invention that structural strength and the property that can be greatly improved chromium alloyed steel by the method for the present invention
Can, and structure uniformly can be heated by heater.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the front view of heating furnace of the present invention；
Fig. 2 is the front view of tempering furnace of the present invention；
Fig. 3 is the structural representation that the present invention collects fitted tube；
Fig. 4 is the structural representation of packaging basket of the present invention；
Fig. 5 is the structural representation that the present invention is overall；
Fig. 6 is the schematic diagram of the sub-temperature processing means of chromium alloyed steel of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
A kind of chromium alloyed steel intercritical hardening annealing device, is included heating furnace 1, quenching the most successively by technological process
Pond 2, tempering furnace 3 and air cooling device 4；Described heating furnace 3 includes heating furnace body 11 and heating furnace 12, described tempering furnace 3
Including tempering body of heater 21 and tempering burner hearth 22；Described heating furnace 12 is by the first forehearth bore wall 121, first arranging charging aperture
Left hearth wall the 122, first right bearth wall the 123, first rear hearth wall 124, first pushes up hearth wall 125 and the first end hearth wall
126 enclose and form；Heating furnace described in described tempering burner hearth 22 is by second forehearth bore wall the 221, the second left stove arranging charging aperture
Bore wall the 222, second right bearth wall the 223, second rear hearth wall 224, second pushes up hearth wall 225 and the second end hearth wall 226 encloses
Conjunction forms；First forehearth bore wall the 121, first left hearth wall the 122, first right bearth wall the 123, first rear hearth wall 124, first pushes up
The first heat-insulation layer 13 it is provided with, outside described first heat-insulation layer 13 outside hearth wall 125 and described first end hearth wall 126
Side is provided with the first zone of heating 14；Stove after second forehearth bore wall the 221, second left hearth wall the 222, second right bearth wall 223, second
Bore wall 224, second is pushed up and is provided with the second heat-insulation layer 23 outside hearth wall 225 and described two end hearth walls 226, and described second
The outside of heat-insulation layer 23 is provided with the second zone of heating 24；Described heating furnace is respectively arranged with some pieces of the first shelfs, institute
Stating in tempering burner hearth and be provided with some pieces of the second shelfs, described some pieces of the first shelfs, the second shelf are the most from bottom to top
It is arranged in corresponding burner hearth；Described air cooling device includes packaging basket and several packaging basket cylinders, each packaging basket cylinder
Bottom all can be spliced into entirety with the top of described packaging basket, and several packaging basket cylinders described the most also can be spliced into whole
Body.
Further, the thermal element in described first zone of heating is the first resistance wire, the heat unit in described second zone of heating
Part is the second resistance wire, and all resistance wires are the most in the shape of a spiral；Described first heat-insulation layer includes the first insulating brick-layer, and described first protects
Insulating brick in temperature brick layer pile up the first forehearth bore wall, the first left hearth wall, the first right bearth wall, the first rear hearth wall, the
One top hearth wall and the outside of the first end hearth wall；Described second heat-insulation layer includes the second insulating brick-layer, described second insulation
Insulating brick in brick layer pile up the second forehearth bore wall, the second left hearth wall, the second right bearth wall, the second rear hearth wall, second
Top hearth wall and the outside of the second end hearth wall.
Further, described first forehearth bore wall the 121, first left hearth wall the 122, first right bearth wall 123, first is piled up
It is provided with on first insulating brick-layer of rear hearth wall 124 and some ranked first L-type grip block 16；Pile up described second forehearth bore wall
221, it is provided with on the second insulating brick-layer on second left hearth wall the 222, second right bearth wall the 223, second rear hearth wall 224
Some ranked second L-type grip block 26；The horizontal ends of all L-type grip blocks is each attached on corresponding insulating brick, and described L-type is pressed from both sides
The vertical end holding plate 16 upwardly extends each parallel to described corresponding insulating brick；The L-type grip block of same row is arranged on same
On horizontal plane, the L-type grip block of adjacent two rows is arranged in parallel；Often dispose at least described first resistance on row's grip block
Silk or described first resistance wire；Described first top hearth wall is provided with and some ranked first on clamp assemblies 17, described second top stove
Bore wall is provided with some clamp assemblies 27 that ranked second, and all clamp assemblies all include the type of falling Ω grip block 171 and bolt 172；
Two ends of the described type of falling Ω grip block 171 are provided with installing hole, described bolt 172 by described installing hole will described
Ω type grip block 171 is fixed on the first top hearth wall or on the first top hearth wall；Often row the type of falling Ω grip block 171 on dispose to
Few described first resistance wire 141 or described second resistance wire；
Offer several the first grooves on described first end hearth wall, hearth wall at the bottom of described second time offers some
Individual second groove, in each groove, at least described first resistance wire or the second resistance wire are placed by army.
Further, the heating element heater in described first zone of heating 14 includes some first resistors 141, described first
Heat-insulation layer 13 is provided with the first insulation fibre bundle；Described some first resistors 141 pass through the second bolt 5 in wavy difference
It is fixed on the first forehearth bore wall, the first left hearth wall, the first right bearth wall, the first rear hearth wall, the first top hearth wall and the
The outside of one end hearth wall；Described first insulation all it is filled with between all of first hearth wall the first resistor corresponding thereto
Fibre bundle.
Further, stating the heating element heater in the second zone of heating 24 and include some second resistors 241, described second protects
Temperature layer 23 is provided with the second insulation fibre bundle；Described some second resistors 241 are wavy solid respectively by the 3rd bolt
It is scheduled on the second forehearth bore wall, the second left hearth wall, the second right bearth wall, the second rear hearth wall, the second top hearth wall and second
The outside of end hearth wall；Described second insulation fibre all it is filled with between all of second hearth wall the second resistor corresponding thereto
Dimension bundle.
Further, on described first left hearth wall the 122, first right bearth wall 123, symmetry offers several and first leads
Rail groove 19, on described second left hearth wall the 222, second right bearth wall 223, symmetry offers several the second guide-track grooves 29；Described
What first shelf the 15, second vegetal plate 25 slided is arranged in the guide-track groove of correspondence.
Further, all shelfs all offer several through holes.
Further, the top of described packaging basket 41 and the top of collection fitted tube 42 all offer groove, described packaging basket
The bottom of cylinder 42 is provided with projection, and described projection can be fastened in described groove.
It is an advantage of the current invention that structural strength and the property that can be greatly improved chromium alloyed steel by the method for the present invention
Can, and structure uniformly can be heated by heater.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating
Relation or order in any this reality.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to previous embodiment
The present invention is described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement
Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent；And these amendment or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a chromium alloyed steel intercritical hardening annealing device, it is characterised in that described device is depended on from front to back by technological process
Secondary include heating furnace, quenching bath, tempering furnace and air cooling device；Described heating furnace includes heating furnace body and heating furnace,
Described tempering furnace includes being tempered body of heater and tempering burner hearth；Described heating furnace by arrange the first forehearth bore wall of charging aperture,
One left hearth wall, the first right bearth wall, the first rear hearth wall, the first top hearth wall and the first end hearth wall enclose and form；Institute
State heating furnace described in tempering burner hearth by arrange the second forehearth bore wall of charging aperture, the second left hearth wall, the second right bearth wall, the
Two rear hearth walls, the second top hearth wall and the second end hearth wall enclose and form；It is characterized in that: described first forehearth bore wall,
Described first left hearth wall, described first right bearth wall, described first rear hearth wall, described first top hearth wall and described the
Being provided with the first heat-insulation layer outside one end hearth wall, the outside of described first heat-insulation layer is provided with the first zone of heating；Described
Two forehearth bore wall, described second left hearth wall, described second right bearth wall, described second rear hearth wall, described second top burner hearth
Being provided with the second heat-insulation layer outside wall and described two end hearth walls, the outside of described second heat-insulation layer is provided with the second heating
Layer；Described heating furnace is respectively arranged with some pieces of the first shelfs, described tempering burner hearth is provided with some pieces second and puts
Thing plate, described some pieces of the first shelfs, the second shelf are arranged in corresponding burner hearth the most from bottom to top；Described air cooling device
Including packaging basket and several packaging basket cylinders, the bottom of each packaging basket cylinder all can be spliced into the top of described packaging basket
Entirety, several packaging basket cylinders described the most also can be spliced into entirety.
A kind of chromium alloyed steel intercritical hardening annealing device the most according to claim 1, it is characterised in that: described first adds
Thermal element in thermosphere is the first resistance wire, and the thermal element in described second zone of heating is the second resistance wire, and all resistance wires are equal
In the shape of a spiral；Described first heat-insulation layer includes that the first insulating brick-layer, the insulating brick in described first insulating brick-layer are piled up first
Forehearth bore wall, the first left hearth wall, the first right bearth wall, the first rear hearth wall, the first top hearth wall and the first end hearth wall
Outside；Described second heat-insulation layer includes that the second insulating brick-layer, the insulating brick in described second insulating brick-layer are piled up before second
Hearth wall, the second left hearth wall, the second right bearth wall, the second rear hearth wall, the second top hearth wall and the second end hearth wall
Outside.
A kind of chromium alloyed steel intercritical hardening annealing device the most according to claim 2, it is characterised in that: pile up described the
One forehearth bore wall, the first left hearth wall, the first right bearth wall, the first rear hearth wall the first insulating brick-layer on be provided with some
Ranked first L-type grip block；Pile up on described second forehearth bore wall, the second left hearth wall, the second right bearth wall, the second rear hearth wall
The second insulating brick-layer on be provided with and some ranked second L-type grip block；The horizontal ends of all L-type grip blocks is each attached to relatively
On the insulating brick answered, the vertical end of described L-type grip block upwardly extends each parallel to described corresponding insulating brick；Same row's
L-type grip block is arranged in same level, and the L-type grip block of adjacent two rows is arranged in parallel；Often dispose on row's grip block
At least described first resistance wire or described first resistance wire；Described first top hearth wall is provided with and some ranked first clamping group
On part, described second top hearth wall is provided with some clamp assemblies that ranked second, and all clamp assemblies all include the type of falling Ω grip block
And bolt；Two ends of the described type of falling Ω grip block are provided with installing hole, and described bolt passes through described installing hole by institute
The type of the falling Ω grip block of stating is fixed on the first top hearth wall or on the first top hearth wall；Often dispose at least on the row's type of falling Ω grip block
Piece described first resistance wire or described second resistance wire；Several the first grooves, institute is offered on described first end hearth wall
State and on the second end hearth wall, offer several the second grooves, in each groove army place at least described first resistance wire or
Second resistance wire.
A kind of chromium alloyed steel intercritical hardening annealing device the most according to claim 1, it is characterised in that: described first
Heating element heater in zone of heating includes that some first resistors, described first heat-insulation layer are provided with the first insulation fibre bundle；Institute
State some first resistors by the second bolt be wavy be separately fixed at the first forehearth bore wall, the first left hearth wall, the
One right bearth wall, the first rear hearth wall, the first top hearth wall and outside of the first end hearth wall；All of first hearth wall with
Described first insulation fibre bundle all it is filled with between its first relative resistor.
A kind of chromium alloyed steel intercritical hardening annealing device the most according to claim 1, it is characterised in that: state the second heating
Heating element heater in Ceng includes that some second resistors, described second heat-insulation layer are provided with the second insulation fibre bundle；If it is described
Dry root the second resistor is wavy the second forehearth bore wall, the second left hearth wall, second right of being separately fixed at by the 3rd bolt
Hearth wall, the second rear hearth wall, the second top hearth wall and outside of the second end hearth wall；All of second hearth wall and its phase
To the second resistor between be all filled with described second insulation fibre bundle.
A kind of chromium alloyed steel intercritical hardening annealing device the most according to claim 1, it is characterised in that: described first is left
On hearth wall, the first right bearth wall, symmetry offers several the first guide-track grooves, described second left hearth wall, the second right bearth wall
Upper symmetry offers several the second guide-track grooves；The guide rail being arranged on correspondence that described first shelf, the second shelf slide
In groove.
A kind of chromium alloyed steel intercritical hardening annealing device the most according to claim 1, it is characterised in that: all shelfs
On all offer several through holes.
A kind of chromium alloyed steel intercritical hardening annealing device the most according to claim 1, it is characterised in that: described packaging basket
Top and the top of packaging basket cylinder all offer groove, the bottom of described packaging basket cylinder is provided with projection, described protruding energy
It is fastened in described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710032.5U CN205856523U (en) | 2016-07-07 | 2016-07-07 | A kind of chromium alloyed steel intercritical hardening annealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710032.5U CN205856523U (en) | 2016-07-07 | 2016-07-07 | A kind of chromium alloyed steel intercritical hardening annealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205856523U true CN205856523U (en) | 2017-01-04 |
Family
ID=57644829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620710032.5U Expired - Fee Related CN205856523U (en) | 2016-07-07 | 2016-07-07 | A kind of chromium alloyed steel intercritical hardening annealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205856523U (en) |
-
2016
- 2016-07-07 CN CN201620710032.5U patent/CN205856523U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20180707 |