CN203346722U - Steel drying cylinder - Google Patents
Steel drying cylinder Download PDFInfo
- Publication number
- CN203346722U CN203346722U CN 201320394641 CN201320394641U CN203346722U CN 203346722 U CN203346722 U CN 203346722U CN 201320394641 CN201320394641 CN 201320394641 CN 201320394641 U CN201320394641 U CN 201320394641U CN 203346722 U CN203346722 U CN 203346722U
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- cylinder cap
- cylinder
- cylinder body
- steel
- side cylinder
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Abstract
The utility model relates to a steel drying cylinder comprising a cylinder body and a cylinder cover which are in seal connection. The cylinder body is rolled and welded with a carbon steel plate, and the cylinder is made of steel casting. The drying cylinder is high in safety, light in weight and low in production cost; thickness of a wall of the cylinder body is reduced, and heat conduction resistance is decreased; the temperature of the surface of the cylinder body is high, so that drying speed of pages is high, operating pressure in the drying cylinder is increased, speed of a paper machine is greatly increased, the efficiency is high and the energy consumption is low.
Description
Technical field
The utility model relates to a kind of Special temperature resistant bearing device, is applicable to paper machine and dries page, specifically, relates to a kind of steel dryer, belongs to the papermaking equipment technical field.
Background technology
Drying cylinder is the core of drying section of paper machine, and as main heat transfer component, drying cylinder occupies very large proportion in paper machine.The drying cylinder that adopts cast iron materials to make has almost occupied the produce market of whole paper machine dryer, when cast iron dryer adopts saturated vapor as heat medium, drying cylinder belongs to bearing device, it is pressure vessel, and the metal structure tissue of cast iron materials causes it that defect very easily occurs in casting process, gray cast iron material especially, gray cast iron material belongs to fragile material, so cast iron dryer is the focus that people pay close attention to aspect safety in utilization always.Generation for decrease safent accident, in common way of design phase, be to improve the safety coefficient of cast iron pressure vessel, and special safety equipment technical specification " fixed safe technology of pressure vessel the Supervision Code " (administrative regulation that national quality technical supervision inspection and quarantine general bureau promulgates, be called for short hereinafter " Gu content regulation ") in clear is arranged, the minimum safety factor of casting pig pressure vessel is 10, continue on this basis to improve its safety coefficient, difficulty is larger.
At present, the material that drying cylinder adopts is cast iron, causes that the drying cylinder quality is large, energy consumption is large, efficiency is low.Due to the needs of technological progress and the raising of production scale; papermaking equipment is to high speed, the development of maximization aspect; drying section of paper machine cast iron dryer energy consumption used is large, efficiency is low; paper machine to one of bottleneck of high speed development always; urgently need a kind of lightweight, efficiency is high and special drying cylinder high pressure resistant, that the cylinder surface temperature is high; so that the rate of drying of page is faster, and then the speed of a motor vehicle of raising paper machine.
The utility model content
The technical problems to be solved in the utility model is for above deficiency, a kind of steel dryer is provided, overcome the defect that prior art medium cast iron drying cylinder energy consumption is large, efficiency is low, the cylinder surface temperature is low, after adopting drying cylinder of the present utility model, have advantages of lightweight, energy consumption is low, efficiency is high, and can improve the admission pressure of steam, reduced thermal resistance, the temperature of drying cylinder cylinder face is improved, and page can obtain higher drying efficiency, and has improved the service life of drying cylinder.
For solving above technical problem, the utility model by the following technical solutions: a kind of steel dryer, comprise the cylinder body and the cylinder cap that are tightly connected, it is characterized in that: described cylinder body is carbon steel plate cylindrical shell processed;
Described cylinder cap comprises transmission side cylinder cap and the fore side cylinder cap that steel-casting is made.
A kind of prioritization scheme, described cylinder block and cylinder cover bolt connects.
Another kind of prioritization scheme, the two ends of described cylinder body are respectively equipped with locating hole and seal face.
Another prioritization scheme, the outer rim of described fore side cylinder cap is provided with the seal face matched with the seal face of cylinder body.
Further prioritization scheme, the medial surface of described fore side cylinder cap is provided with false boss and drying cylinder mark mark boss for machined;
Be connected with back shaft on the lateral surface of described fore side cylinder cap.
Prioritization scheme further, also be provided with on described fore side cylinder cap and be convenient to the come in and go out manhole of maintenance use of maintenance personal.
Prioritization scheme further, the outer rim of described transmission side cylinder cap is provided with the seal face matched with the seal face of cylinder body.
A kind of prioritization scheme, the medial surface of described transmission side cylinder cap is provided with the machined false boss;
Be connected with power transmission shaft on the lateral surface of described transmission side cylinder cap.
Another kind of prioritization scheme, the diameter of described cylinder body is 2500～4600mm.
After the utility model adopts above technical scheme, compared with prior art, have the following advantages: cylinder body adopts the carbon steel plate of heat-resistant pressure-resistant to roll and forms, according to " Gu content regulation ", stipulate, the minimum safety factor of carbon steel pressure vessel is 3, therefore the security of carbon steel pressure vessel more easily is guaranteed, can save material 40%, drying cylinder is lightweight, production cost is low, reduced the wall thickness of cylinder body, and then reduced hot conduction resistance, cylinder body cylinder surface temperature is high, improved the rate of drying of page, and the operating pressure in drying cylinder is improved, the speed of a motor vehicle of paper machine improves greatly, efficiency is high, energy consumption is low.
Below in conjunction with drawings and Examples, the utility model is elaborated.
The accompanying drawing explanation
Accompanying drawing 1 is the structural representation of drying cylinder in the utility model embodiment;
Accompanying drawing 2 is structural representations of cylinder body in the utility model embodiment;
Accompanying drawing 3 is structural representations of fore side cylinder cap in the utility model embodiment;
Accompanying drawing 4 is structural representations of transmission side cylinder cap in the utility model embodiment;
In figure,
The 1-cylinder body, 2-transmission side cylinder cap, 3-fore side cylinder cap, the 4-locating hole, 5-seal face, 6-set bolt, the 7-seal face, 8-seal face, 9-fixing threaded hole, the 10-false boss, 11-mark boss, 12-manhole, the 13-back shaft, 14-false boss, 15-power transmission shaft, the 16-fixing threaded hole, the 17-fixing threaded hole.
The specific embodiment
Embodiment, as shown in Figure 1, a kind of steel dryer, comprise cylinder body 1, and the two ends of cylinder body 1 are sealedly connected with respectively cylinder cap, and described cylinder body 1 adopts carbon steel plate to roll and is welded, and described cylinder cap adopts steel-casting to be processed into.
Described cylinder cap comprises transmission side cylinder cap 2 and fore side cylinder cap 3, and transmission side cylinder cap 2 is tightly connected with an end of cylinder body 1, and fore side cylinder cap 3 is tightly connected with the other end of cylinder body 1.
The diameter of described cylinder body 1 is 2500～4600mm, and cylinder body 1 diameter of take in the present embodiment is elaborated as 2500mm as example.
As shown in Figure 2, the two ends of cylinder body 1 are respectively equipped with locating hole 4 and the seal face 5 coordinated with end cap, are evenly equipped with several fixing threaded holes 9 on seal face 5, in the present embodiment on the seal face 5 of each side the quantity of fixing threaded hole 9 be 72.
As shown in Figure 3, the outer rim of fore side cylinder cap 3 is provided with the seal face 7 matched with the seal face 5 of cylinder body 1, be evenly equipped with 72 fixing threaded holes 16 on seal face 7, fore side cylinder cap 3 is tightly connected by the set bolt 6 that runs through fixing threaded hole 9 and fixing threaded hole 16 with cylinder body 1.
The medial surface of described fore side cylinder cap 3 is provided with false boss 10 and drying cylinder mark mark boss 11 for machined, be connected with back shaft 13 on the lateral surface of fore side cylinder cap 3, on described fore side cylinder cap 3, also be provided be convenient to the maintenance personal come in and go out the maintenance use manhole 12, described manhole 12 is ellipticity, the long 300mm of the minor axis of described manhole 12, the long 400mm of major axis, distortion is minimum when guaranteeing that under steam pressure side is stressed, intensity is best, and the medial surface of described fore side cylinder cap 3 is the curved surface that radius is 1457.5mm.
As shown in Figure 4, the outer rim of transmission side cylinder cap 2 is provided with the seal face 8 matched with the seal face 5 of cylinder body 1, be evenly equipped with 72 fixing threaded holes 17 on seal face 8, transmission side cylinder cap 2 is tightly connected by the set bolt 6 that runs through fixing threaded hole 9 and fixing threaded hole 17 with cylinder body 1.
The medial surface of described transmission side cylinder cap 2 is provided with false boss 14 for machined, be connected with power transmission shaft 15 on the lateral surface of transmission side cylinder cap 2, distortion is minimum when guaranteeing that under steam pressure side is stressed, intensity is best, and the medial surface of described transmission side cylinder cap 2 is the curved surface that radius is 1457.5mm.
The above is giving an example of the utility model preferred forms, and the part of wherein not addressing in detail is those of ordinary skills' common practise.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (9)
1. a steel dryer, comprise the cylinder body (1) and the cylinder cap that are tightly connected, it is characterized in that: described cylinder body (1) is carbon steel plate cylindrical shell processed;
Described cylinder cap comprises transmission side cylinder cap (2) and the fore side cylinder cap (3) that steel-casting is made.
2. a kind of steel dryer as claimed in claim 1, it is characterized in that: described cylinder body (1) is connected with cylinder bolt.
3. a kind of steel dryer as claimed in claim 2, it is characterized in that: the two ends of described cylinder body (1) are respectively equipped with locating hole (4) and seal face (5).
4. a kind of steel dryer as claimed in claim 3, it is characterized in that: the outer rim of described fore side cylinder cap (3) is provided with the seal face (7) matched with the seal face (5) of cylinder body (1).
5. a kind of steel dryer as claimed in claim 4, it is characterized in that: the medial surface of described fore side cylinder cap (3) is provided with false boss for machined (10) and mark boss (11) for the drying cylinder mark;
Be connected with back shaft (13) on the lateral surface of described fore side cylinder cap (3).
6. a kind of steel dryer as claimed in claim 5 is characterized in that: also be provided with on described fore side cylinder cap (3) and be convenient to the come in and go out manhole (12) of maintenance use of maintenance personal.
7. a kind of steel dryer as claimed in claim 2, it is characterized in that: the outer rim of described transmission side cylinder cap (2) is provided with the seal face (8) matched with the seal face (5) of cylinder body (1).
8. a kind of steel dryer as claimed in claim 7, it is characterized in that: the medial surface of described transmission side cylinder cap (2) is provided with false boss for machined (14);
Be connected with power transmission shaft (15) on the lateral surface of described transmission side cylinder cap (2).
9. as one of them described a kind of steel dryer of claim 1-8, it is characterized in that: the diameter of described cylinder body (1) is 2500～4600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320394641 CN203346722U (en) | 2013-07-04 | 2013-07-04 | Steel drying cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320394641 CN203346722U (en) | 2013-07-04 | 2013-07-04 | Steel drying cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203346722U true CN203346722U (en) | 2013-12-18 |
Family
ID=49746642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320394641 Expired - Fee Related CN203346722U (en) | 2013-07-04 | 2013-07-04 | Steel drying cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203346722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465245A (en) * | 2014-12-24 | 2015-03-25 | 丹东金桥车辆配件有限公司 | Hydraulic electromagnetic reversing mechanism for high-voltage circuit breaker hydraulic spring operation device |
| CN108755230A (en) * | 2018-06-19 | 2018-11-06 | 东莞市联洲知识产权运营管理有限公司 | A kind of end cap connection structure on paper-making drying cylinder |
-
2013
- 2013-07-04 CN CN 201320394641 patent/CN203346722U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465245A (en) * | 2014-12-24 | 2015-03-25 | 丹东金桥车辆配件有限公司 | Hydraulic electromagnetic reversing mechanism for high-voltage circuit breaker hydraulic spring operation device |
| CN108755230A (en) * | 2018-06-19 | 2018-11-06 | 东莞市联洲知识产权运营管理有限公司 | A kind of end cap connection structure on paper-making drying cylinder |
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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: 20131218 Termination date: 20160704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |