CN201283621Y - Crosslinking polyolefin foaming stove - Google Patents
Crosslinking polyolefin foaming stove Download PDFInfo
- Publication number
- CN201283621Y CN201283621Y CNU2008201352455U CN200820135245U CN201283621Y CN 201283621 Y CN201283621 Y CN 201283621Y CN U2008201352455 U CNU2008201352455 U CN U2008201352455U CN 200820135245 U CN200820135245 U CN 200820135245U CN 201283621 Y CN201283621 Y CN 201283621Y
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- stove
- burner hearth
- sheet material
- cooling duct
- foaming
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Abstract
A crosslinking polyolefin foaming stove comprises a horizontal stove, a vertical stove and a charge-in tow device. The horizontal stove is a split structure, composed of a plurality of sections of independent small furnace. A certain gap is retained in adjacent two sections of small furnace. A cooling air pipe is arranged in the gap. The charge-in tow device is arranged in the inlet of the first section of small furnace. The vertical stove is arranged below the outlet of the last section of small furnace. A cooling air pipe is arranged between the corner engagement position of the outlet of the last section of small furnace and the inlet of the vertical stove. The foaming stove changes the heating for the sheet preheating section from continuous heating to the intermittent heating, which prevents the heat in the vertical stove into the horizontal stove for influencing the temperature control in the horizontal stove, cools two sides of the sheet in the intermittent heating process, reduces the temperature difference between two sides and the middle of the sheet and improves the rate of finished products.
Description
Technical field
The utility model relates to cross-linked polyolefin coiled material production equipment, particularly crosslinking polyolefin foaming stove.
Background technology
Existing crosslinking polyolefin foaming stove is combined by horizontal stove and vertical furnace, and whole foaming furnace is the angle square shape.In Chinese patent CN2790731Y, the burner hearth of horizontal stove is the integral body that connects before and after, the burner hearth of horizontal stove is terminal directly to be communicated with the burner hearth top of vertical furnace, the foaming furnace of this structure has following shortcoming: because vertical furnace has stack effect, hot-air rises rapidly in vertical furnace, and horizontal stove and vertical furnace are connected as a single entity, form the exhausting effect, heat reciprocal influence in vertical furnace and the horizontal stove, temperature in the horizontal stove can't accurately be controlled, sheet material is preheating well in horizontal stove, enters in the vertical furnace also accurately foaming and setting, and yield rate is low.
In Chinese patent CN1799809A, the burner hearth of horizontal stove is separated by a plurality of dividing plates, not the integral body that connects before and after one, though this structure can reduce the exhausting effect, prevent that to a certain extent the heat in the vertical furnace from entering in the horizontal stove, influence the temperature control in the horizontal stove, but the foaming furnace of this kind structure still has following deficiency: sheet material is heating continuously in horizontal stove, does not have cooling procedure, in continuous heating process, the both sides of sheet material are heated soon than the centre, and after sheet material entered vertical furnace, both sides are foaming earlier easily, the both sides of sheet material form crimping easily in foaming process, do not open, cause waste product, especially the above sheet of 5mm.
The utility model content
For addressing the above problem, the purpose of this utility model provides a kind of crosslinking polyolefin foaming stove, with The intermittent heating sheet material is carried out preheating, the heat that can prevent vertical furnace and horizontal stove inside influences each other, and the both sides of sheet material are cooled off in the process of intermittently heating, reduce the both sides and the middle temperature difference of sheet material, improve yield rate.
For achieving the above object, the utility model is by the following technical solutions:
A kind of crosslinking polyolefin foaming stove comprises horizontal stove, vertical furnace and charging draw-gear, and the sheet material of foaming usefulness is sent in the horizontal stove by the charging draw-gear; It is characterized in that: horizontal stove is for dividing body structure, rearrange by the independently little burner hearth of multistage, leave certain space between the little burner hearth of two neighboring sections, be provided with cooling duct in this space, described charging draw-gear is arranged on the epistome of going into of first section little burner hearth, described vertical furnace is arranged on the outlet below of the little burner hearth of the last section, and the corner between the outlet of the little burner hearth of the last section and the vertical furnace inlet is provided with cooling duct, and described each cooling duct is arranged along the sheet material both sides.
The inside of the little burner hearth of described the last section is provided with cooling duct, and described cooling duct is arranged along the sheet material both sides.
Described cooling duct is connected with air-cooler.
The utlity model has following positive beneficial effect:
In the technical solution of the utility model, horizontal stove is made up of plurality of sections port thorax, the latter end burner hearth of horizontal stove separates with the burner hearth of vertical furnace, thereby prevents that the thermal current that vertical furnace rises from directly entering in the latter end burner hearth of horizontal stove, influences the accurate control of horizontal stove internal material preheat temperature.
Because horizontal stove is for dividing body structure, be spaced by the independently little burner hearth of multistage and form, so horizontal stove is with The intermittent heating sheet material to be carried out preheating, the cooling duct that is provided with on the sheet material both sides, can make the both sides of sheet material in the process of intermittently heating, be able to the appropriateness cooling, reduce the both sides and the middle temperature difference of sheet material, avoid causing both sides foaming earlier in vertical furnace of sheet material because of excessive temperature differentials, make and improve yield rate by the sheet material of different size accurate foaming and setting in continuous industry production.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Number in the figure
1 unwinding rack, 2 charging draw-gears, 3 cyclic conveyors
4 sheet materials, 5 air-coolers, 6 expanding units
7 vertical furnaces, 8 observation windows, 9 discharging deflector rolls
10 felt wrapped rolls, 11 discharging drawing roller, the 12 dischargings roller of rectifying a deviation
13 rolling carry-over pinch rolls, 14 rolling framves, 15 little burner hearths
16 port thoraxes, 17 port thoraxes, 18 cooling ducts
19 cooling ducts, 20 cooling ducts, 21 cooling ducts
Please refer to Fig. 1, Fig. 2, the utility model is a kind of crosslinking polyolefin foaming stove, comprises horizontal stove, vertical furnace and charging draw-gear, and the sheet material of foaming usefulness is sent in the horizontal stove by the charging draw-gear; Horizontal stove is rearranged by the independently little burner hearth of multistage for dividing body structure, and in the present embodiment, the quantity of little burner hearth is three, and these three port thoraxes 15,16,17 are arranged at interval.
Leave certain space between the little burner hearth of two neighboring sections, charging draw-gear 2 is arranged on the epistome of going into of first section port thorax 15, vertical furnace 7 is arranged on the outlet below of the last section port thorax 17, be provided with a pair of cooling duct 18 in the space between the port thorax 15,16, be provided with a pair of cooling duct 19 in the space between the port thorax 16,17.
Corner between the outlet of the last section port thorax 17 and the inlet of vertical furnace 7 is provided with a pair of cooling duct 20.The inside of the last section port thorax 17 is provided with a pair of cooling duct 21.
Each above-mentioned cooling duct 18,19,20,21 is arranged along the both sides of sheet material 4 respectively.Each cooling duct all is connected with air-cooler 5.The sidewall of vertical furnace 7 is provided with observation window 8.
The corollary equipment of crosslinking polyolefin foaming stove of the present utility model comprises, unwinding rack 1, charging draw-gear 2, cyclic conveyor 3.Unwinding rack 1 is by bearing, rotating shaft and brake block are formed, charging draw-gear 2 is made up of the rotation roller of paired setting, cyclic conveyor 3 is by conveyer belt, rotating cylinder is formed, the conveyer belt of cyclic conveyor 3 is extended to the turning joining place of the last section port thorax 17 and vertical furnace 7 always by the inlet of first section port thorax 15, be provided with expanding unit 6 in the inside of vertical furnace 7, expanding unit 6 is made of the cylinder of a pair of hollow belt cooling system, cylinder is by the mechanical driving device driven rotary, cylinder forms the clamping shape to foam sheet, be provided with a pair of discharging deflector roll 9 in the bottom of vertical furnace 7, be provided with two pairs of felt wrapped rolls 10 in the exit of vertical furnace, be two pairs of discharging drawing roller 11 subsequently, four dischargings roller 12 of rectifying a deviation is rolling carry-over pinch rolls 13 and rolling frame 14 then successively.
During production, with crosslinking with radiation polyalkene foaming rolling base material pack in the unwinding rack 1, be fed through in each section port thorax 15,16,17 of horizontal stove through charging draw-gear 2, cyclic conveyor 3, the port thorax 17 of horizontal stove latter end separates with the burner hearth of vertical furnace 7, thereby prevent that the inner thermal currents that rise of vertical furnace 7 from directly entering in the port thorax 17 with the horizontal stove latter end, influence port thorax 17 temperature inside and control.
Because horizontal stove is for dividing body structure, be spaced by the independently little burner hearth of multistage and form, so horizontal stove is with The intermittent heating sheet material to be carried out preheating, the cooling duct that is provided with on the sheet material both sides, can make the both sides of sheet material in the process of intermittently heating, be able to the appropriateness cooling, reduce the both sides and the middle temperature difference of sheet material 4, avoid causing both sides foaming earlier in vertical furnace 7 of sheet material because of excessive temperature differentials, make and improve yield rate by the sheet material 4 of different size accurate foaming and setting in continuous industry production.Intermittently heat by each section of horizontal stove port thorax, and cooling at the intermittence of cooling duct, sheet material 4 is progressively heated, until cyclic conveyor 3 ends, under the gravity effect, sheet material 4 freely hangs in the vertical furnace 7 that hangs down, this moment, temperature reached the stage of foaming, be provided with expanding unit 6 in the vertical furnace 7, under the clamping of expanding unit 6, sheet material 4 stretches " expansion " along three-dimensional, the sheet material 4 smooth-going ground operations downwards after the foaming, lower opening from vertical furnace 7 under 9 guide effects of discharging deflector roll is come out, then, through felt wrapped roll 10 press polish, under the draw of discharging drawing roller 11, walk around four dischargings rectify a deviation roller 12 and rolling carry-over pinch rolls 13, at last by 14 rollings of rolling frame.
Claims (3)
1. a crosslinking polyolefin foaming stove comprises horizontal stove, vertical furnace and charging draw-gear, and the sheet material of foaming usefulness is sent in the horizontal stove by the charging draw-gear; It is characterized in that: described horizontal stove is for dividing body structure, rearrange by the independently little burner hearth of multistage, leave certain space between the little burner hearth of two neighboring sections, be provided with cooling duct in this space, described charging draw-gear is arranged on the epistome of going into of first section little burner hearth, described vertical furnace is arranged on the outlet below of the little burner hearth of the last section, and the corner between the outlet of the little burner hearth of the last section and the vertical furnace inlet is provided with cooling duct, and described each cooling duct is arranged along the sheet material both sides.
2. crosslinking polyolefin foaming stove as claimed in claim 1 is characterized in that: the inside of the little burner hearth of described the last section is provided with cooling duct, and described cooling duct is arranged along the sheet material both sides.
3. crosslinking polyolefin foaming stove as claimed in claim 1 or 2 is characterized in that: described cooling duct is connected with air-cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201352455U CN201283621Y (en) | 2008-09-12 | 2008-09-12 | Crosslinking polyolefin foaming stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201352455U CN201283621Y (en) | 2008-09-12 | 2008-09-12 | Crosslinking polyolefin foaming stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201283621Y true CN201283621Y (en) | 2009-08-05 |
Family
ID=40948606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201352455U Expired - Fee Related CN201283621Y (en) | 2008-09-12 | 2008-09-12 | Crosslinking polyolefin foaming stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201283621Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231931A (en) * | 2013-04-10 | 2013-08-07 | 镇江奥力聚氨酯机械有限公司 | Spreading and withdrawing device and technology for leakage-proof membrane for sandwich polyurethane (PU) building block production line |
| CN105365144A (en) * | 2014-09-15 | 2016-03-02 | 湖北祥源新材科技有限公司 | Crosslinking polyolefin foaming furnace |
| CN110091455A (en) * | 2019-04-03 | 2019-08-06 | 浙江润阳新材料科技股份有限公司 | A kind of high speed foaming furnace |
-
2008
- 2008-09-12 CN CNU2008201352455U patent/CN201283621Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231931A (en) * | 2013-04-10 | 2013-08-07 | 镇江奥力聚氨酯机械有限公司 | Spreading and withdrawing device and technology for leakage-proof membrane for sandwich polyurethane (PU) building block production line |
| CN105365144A (en) * | 2014-09-15 | 2016-03-02 | 湖北祥源新材科技有限公司 | Crosslinking polyolefin foaming furnace |
| CN110091455A (en) * | 2019-04-03 | 2019-08-06 | 浙江润阳新材料科技股份有限公司 | A kind of high speed foaming furnace |
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Legal Events
| 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 |
Granted publication date: 20090805 Termination date: 20160912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |