CN208896337U - a preheating furnace - Google Patents
a preheating furnace Download PDFInfo
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- CN208896337U CN208896337U CN201821479904.7U CN201821479904U CN208896337U CN 208896337 U CN208896337 U CN 208896337U CN 201821479904 U CN201821479904 U CN 201821479904U CN 208896337 U CN208896337 U CN 208896337U
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- Prior art keywords
- furnace
- air duct
- preheating
- shell
- electric heating
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Abstract
本实用新型公开了一种预加热炉，包括炉壳，炉壳的底部设有炉架，炉壳的前部设有炉门，炉壳内由隔板分隔成炉膛及风道，风道围绕在炉膛顶部及两侧，炉膛与风道经隔板底部连通，炉膛顶部的风道内设有循环风机，炉膛两侧的风道内设有电加热元件，炉膛顶部设有出风口，出风口与风道连通；炉膛内滑动设有若干只料盘，所述料盘沿炉膛长度方向延伸。本实用新型的预加热炉可实现不同规格待加热工件的分装，节省了加热后元件的分类工序，效率高。实用新型的预加热炉热均匀性高，加热工件的质量高。
The utility model discloses a preheating furnace, which comprises a furnace shell, a furnace frame is arranged at the bottom of the furnace shell, a furnace door is arranged at the front of the furnace shell, the furnace shell is divided into a furnace chamber and an air duct by a partition plate, and the air duct surrounds On the top and both sides of the furnace, the furnace and the air duct are connected through the bottom of the partition. The air duct on the top of the furnace is provided with a circulating fan, the air ducts on both sides of the furnace are provided with electric heating elements, and the top of the furnace is provided with an air outlet. It is communicated with the air duct; a plurality of material trays are slidably arranged in the furnace, and the material trays extend along the length direction of the furnace. The preheating furnace of the utility model can realize the sub-packaging of the workpieces to be heated with different specifications, saves the sorting process of the elements after heating, and has high efficiency. The preheating furnace of the utility model has high thermal uniformity and high quality of the heated workpiece.
Description
Technical field
The utility model relates to technical field of heat treatment, and in particular to a kind of plastic tubing dress of car engine assembly
Pre-add hot stove with preceding preheating.
Background technique
The assembly of the plastic tubing of car engine assembly generally using interference fit, needs before assembly to plastic tubing
Heating is carried out to be allowed to slightly expand.Preheating stove heating is high-efficient, and easy temperature control system is that plastic tubing preheating first choice is set
It is standby.The plastic tubing specifications and models of car engine assembly are more, traditional only one charging tray of pre-add hot stove, all workpiece
It is both placed on a charging tray, needs to reclassify the specification and type of workpiece after preheating, larger workload.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of pre-add hot stove, by be arranged several charging trays packing to
Oil pipe part is heated, the classification process of workpiece after heating is saved, improves efficiency.
For this purpose, the technical solution adopted in the utility model is: a kind of pre-add hot stove, including furnace shell, the bottom of furnace shell are equipped with
The front of grate, furnace shell is equipped with fire door, and furnace shell inner route clapboard is separated into burner hearth and air duct, and air duct is centered around roof of the furnace and two
Side, burner hearth are connected to air duct through partition bottom, and circulating fan is equipped in the air duct of roof of the furnace, is equipped in the air duct of burner hearth two sides
Electrical heating elements, roof of the furnace are equipped with air outlet, and air outlet is connected to air duct；Sliding is equipped with several charging trays in burner hearth, described
Charging tray extends along burner hearth length direction.
Heated work pieces to be added are divided in different charging trays by different size model, and electrical heating elements heating power is recycling
Under the action of blower, hot wind presses to burner hearth two sides air duct backward along the shunting of top deflector, enters burner hearth through partition bottom, adds
It is sucked back again through air outlet (i.e. fan induced draught mouth) by circulating fan after heated work pieces, then the outlet through circulating fan is again along two crosswind
Road pushes, and so constantly recycles in burner hearth, so that the workpiece in charging tray be made to obtain good temperature uniformity, fills product
Divide thermally equivalent, improves product processing quality.
Further, the charging tray be by bottom plate, left side plate, front and back end board group at drawer, bottom plate, left side plate,
Several ventilation holes are offered on end plate.The setting of drawer facilitates the pick-and-place and classification of heated work pieces to be added, the setting of ventilation hole
In order to improve the heated uniformity of heating efficiency and workpiece.
Further, steel wire is all covered positioned at the upper surface of the charging tray of burner hearth top layer.The charging tray of burner hearth top layer
Close to the suction inlet of circulating fan, plastic tubing is lighter, easily brings blower when wind-force is larger into the wind, and setting steel wire intercepts.
Further, two one group of the charging tray, every group of charging tray is correspondingly provided with a fire door.The specification of heated work pieces to be added is not
Together, heating time difference, is arranged multiple fire doors, can make to heat in other charging trays when opening fire door and picking and placing workpiece
Workpiece is unaffected, prevents from making because door opened the workpiece temperature in the charging tray of fire door to lower, influences its temperature rise uniformity.
Further, furnace lining is equipped in the furnace shell, furnace lining is filled using high-quality alumina silicate refractory fiber cotton, and inner wall uses
Steel plate encapsulation.The heat insulation effect of aluminosilicate refractory fiber cotton is good.
Further, the top of the burner hearth is equipped with dehumidification tube, and one end of dehumidification tube is connected to burner hearth, and the other end passes through wind
Road is communicated with the atmosphere.The import of the further preferred dehumidification tube is equipped with steel wire, and outlet is equipped with automatic valve.Dehumidification tube is for arranging
Damp-heat air in flake hearth-tapping improves heating efficiency.The bore exported by automatic valve regulation dehumidifying pipelines, when heating, open, and protect
It is closed when warm or half-open, adjusts temperature and humidity in burner hearth.Moisture exhausting port installs stainless (steel) wire additional, prevents workpiece inspiration moisture exhausting port.
Further, the electrical heating elements are U-shaped electric heating finned tube, by the wind for being inserted into burner hearth two sides at the top of furnace shell
In road, the electric heating finned tube outside furnace shell is equipped with protective cover, and protective cover is used for the binding post including electric heating finned tube.
The U-shaped electric heating tube of I font setting, structure is simple, and heating efficiency is high.
Further, the heating furnace is equipped with a temperature measurer, temperature measurer at least provided with more than two warm areas, each warm area
The temperature inside burner hearth for measuring each warm area.By observing the temperature of temperature measurer, controls the heating of burner hearth and kept the temperature
Journey.
Further, the heating furnace further includes PLC control system, PLC control system respectively with electrical heating elements, thermometric
Instrument, automatic valve and circulating fan connection.The automatic control for entirely heating process, temperature measurer may be implemented by PLC control system
The temperature simulation amount parameter of measurement is sent to the controller of control system at any time to, controller controls the automatic of dehumidifying pipelines outlet
The temperature and time of the open degree of valve and the size of electrical heating elements thermal power, control heating and heat preservation.Control system also controls
The start and stop and frequency of circulating fan, control the cycle-index of blower.
The utility model has the beneficial effects that compared with prior art, the pre-add hot stove of the utility model can realize different rule
The packing of lattice heated work pieces to be added saves the classification process of element after heating, high-efficient.The pre-add hot stove heat of utility model is uniformly
Property it is high, the quality for heating workpiece is high.
Detailed description of the invention
Fig. 1 is the main view of the embodiment 1 of the pre-add hot stove of the utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the structural schematic diagram of the charging tray of embodiment 1.
Fig. 5 is the ventilation hole arrangement mode schematic diagram of each side plate of charging tray in Fig. 4.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, it is used for below in conjunction with attached drawing and one kind
For car assembly plastic tubing preheating heating furnace, the technical solution of the utility model is clearly and completely retouched
It states.
In the following description, on the basis of the orientation of pre-add hot stove shown in Fig. 1, the top of pre-add hot stove as shown in the figure is
For "upper", on the contrary is "lower".
Embodiment 1
Refering to fig. 1~Fig. 3, a kind of pre-add hot stove, including furnace shell 1, grate 2, fire door 3, partition 4, circulating fan 5, electricity add
Thermal element 6, dehumidification tube 7, temperature measurer 8, control cabinet 9 and charging tray 20.
The bottom of furnace shell is equipped with grate 2, and the inlet side of furnace shell is equipped with fire door 3.Furnace shell inner route clapboard 4 is separated into burner hearth 101
And air duct 102, air duct 102 are centered around the top and two sides of burner hearth 101, including horizontal duct 1022 and vertical air duct 1021, furnace
Thorax 101 is connected to air duct 102 through the bottom of partition 4.The partition of roof of the furnace is equipped with through-hole 103, and through-hole is roof of the furnace
Air outlet, through-hole 103 is connected to air duct 102.Partition 4 also functions to the effect of wind deflector, and in the present embodiment, partition 4 is by thickness
Degree is that the SUS304 stainless steel plate of 2mm is pressed into door shape, and isometric with burner hearth, rear and front end is fixed on furnace shell 1.In this implementation
In example, the first warm area 1011 and the second warm area 1012 are successively arranged in burner hearth 101.Furnace shell 1 is by 11 structure of body frame and Shell Plate
At in the present embodiment, body frame is the rectangular frame that is welded using 6.3# angle steel, and base of frame uses 10# channel steel branch
Support.Shell Plate is the Q235 steel plate with a thickness of 3mm, is coated on the surrounding of body frame, forms furnace shell inner cavity.The interior table of Shell Plate
Face is fitted with furnace lining 12, and furnace lining is filled using high-quality alumina silicate refractory fiber cotton, and furnace lining inner wall 13 is using with a thickness of 2mm's
The encapsulation of SUS304 stainless steel plate, insulation layer thickness are set as 100mm.
Circulating fan 5, blower electricity are respectively provided in the horizontal duct 1022 at 1012 top of the first warm area 1011 and the second warm area
Machine is fixed at the top of furnace shell, and motor shaft passes through furnace shell downward vertically and puts in horizontal flue to be fixedly connected with draught fan impeller, blower suction
Air port face air outlet.In the present embodiment, circulating fan uses WGB-2.2AI centrifugal fan, compressor flow 4800-
6600m3/ h, wind pressure 670-400Pa, power 2.2Kw, revolving speed 1400r/min.In order to ensure operator puts workpiece
It is safer, install stainless steel protective net additional at the air inlet of blower (grid spacing is not more than 6mm).
Electrical heating elements 6 are provided in the vertical air duct 1021 of 1012 two sides of first warm area 1011 and the second warm area,
In the present embodiment, electrical heating elements are U-shaped electric heating finned tube, 3 one group, are uniformly distributed, and each warm area is symmetrical arranged two groups.
The outside of every group of electric heating tube is respectively provided with protective cover 61, for the binding post including electric heating finned tube.
Dehumidification tube 7 is equipped between first warm area 1011 and the second warm area 1012,7 bottom end of dehumidification tube is connected to burner hearth 101, is pushed up
Extend furnace shell 1 straight up and be communicated with the atmosphere in end.It is wet that dehumidification tube 7 is used to be discharged the heat that the first warm area and the second warm area generate
Gas, entrance are equipped with stainless steel cloth, and exit is equipped with motor-driven valve, and motor-driven valve is used to adjust the exhaust air rate of dehumidification tube.
Temperature measurer 8, the measurement end water of temperature measurer are equipped on the furnace shell of 1012 side of first warm area 1011 and the second warm area
The flat central part that the first warm area 1011 or the second warm area 1012 are extended to across vertical air duct 1021.In the present embodiment, thermometric
Instrument is Japanese fuji PXR-9 Series Intelligent digital temperature control instument, temperature-controlled precision ± 1 DEG C.
In the present embodiment, charging tray 20 is by bottom plate 201, left plate 202, right side plate 203, front end-plate 204, end plate
The drawers of 205 compositions, bottom plate 201, left plate 202, right side plate 203, front end-plate 204, offer on end plate 205 it is several logical
Air holes 2001, in this embodiment, ventilation hole is square to be evenly arranged.Front end-plate 204 is equipped with drawer handle 220, drawer handle
Hand holds drawer when pulling out drawer for drawing in.The left and right sides of the downside of bottom plate 201 is set along parallel with drawer length direction
There are two round steel guide rails 211, guide rail 211 is fixed on the downside of bottom plate by way of spot welding.
Length direction along burner hearth 101 is equipped with charging tray frame 15, and charging tray frame is the rectangular frame being made of fashioned iron, front and back two
End is fixed on furnace shell inner wall.The upper side of charging tray frame bottom be equipped with the one-to-one guide-track groove 210 of charging tray guide rail 211,
In the present embodiment, guide-track groove 210 is opening up channel steel, is fixed on charging tray frame 15 in a manner of spot welding.211 band of guide rail
Dynamic charging tray 20 slides in and out in burner hearth 101 along guide-track groove 210.
In the present embodiment, altogether be equipped with 8 charging trays, two one group, totally four groups.Positioned at roof of the furnace two charging trays 21,
22 upper surface is equipped with steel wire 206, and steel wire is coated on increasing upper surface, for preventing workpiece in charging tray to be sucked into circulation
In blower.
In the present embodiment, fire door 3 is equipped with upper layer and lower layer, and two every layer, totally four, every fire door corresponds to one group of charging tray,
The fire door of upper layer and lower layer is all made of split mode and is arranged.
The side of furnace shell 1 is equipped with control cabinet 9, is equipped with PLC control system in control cabinet 9.In the present embodiment, using west gate
Sub- 200 series of PLC.The automatic valve and circulating fan 5 that electrical heating elements 6, temperature measurer 8, dehumidification tube 7 export are controlled with PLC respectively
The controller of system processed connects.
Not doing the part illustrated in above instructions is the prior art, or has both been able to achieve by the prior art.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479904.7U CN208896337U (en) | 2018-09-10 | 2018-09-10 | a preheating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479904.7U CN208896337U (en) | 2018-09-10 | 2018-09-10 | a preheating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208896337U true CN208896337U (en) | 2019-05-24 |
Family
ID=66571900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821479904.7U Expired - Fee Related CN208896337U (en) | 2018-09-10 | 2018-09-10 | a preheating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208896337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858924A (en) * | 2018-09-10 | 2018-11-23 | 南京永亮炉业有限公司 | A kind of pre-add hot stove |
-
2018
- 2018-09-10 CN CN201821479904.7U patent/CN208896337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858924A (en) * | 2018-09-10 | 2018-11-23 | 南京永亮炉业有限公司 | A kind of pre-add hot stove |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190524 |