CN104251226A - Novel combined type spindle seal for hydraulic power fan of cooling tower - Google Patents
Novel combined type spindle seal for hydraulic power fan of cooling tower Download PDFInfo
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- CN104251226A CN104251226A CN201410462927.7A CN201410462927A CN104251226A CN 104251226 A CN104251226 A CN 104251226A CN 201410462927 A CN201410462927 A CN 201410462927A CN 104251226 A CN104251226 A CN 104251226A
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Abstract
The invention discloses a novel combined type spindle seal for a hydraulic power fan of a cooling tower. The novel combined type spindle seal for the hydraulic power fan of the cooling tower consists of a rubber type flat-plate seal and a fiber woven packing seal; the problem that a spindle seal of a hydraulic power fan leaks water can be effectively solved; and the purposes of self compensation, energy conservation and zero maintenance of the seal are achieved. According to the technical scheme, a spindle is provided with two seals which are the rubber type flat-plate seal and the fiber woven packing seal, and the two seals form the combined seal. The spindle seal mainly comprises fiber woven packing, a spring, a spindle jacket, a packing gland, a sealing seat, a rubber type flat-plate seal, a sealing pressure plate, a connecting piece and the like. The sealing seat is fastened to a top cover; the spindle jacket is hung on the spindle and is in contact with the fiber woven packing in the sealing seat so that water is sealed; and the rubber flat-plate seal is arranged on a lower flange of the spindle jacket and is tightly pressed through the sealing pressure plate. During working, the rubber flat-plate seal is in contact with the sealing seat due to inner water pressure, so that the water is sealed. The novel combined type spindle seal for the hydraulic power fan of the cooling tower is simple and novel in structure, convenient to mount and use, high in work efficiency and free of maintenance, and is energy-saving, environment-friendly and safe; running cost is saved; the novel combined type spindle seal is a great innovation for the field of spindle seals for the hydraulic power fan of the cooling tower; and the economy is high.
Description
Technical field
The present invention relates to a kind of combined main shaft sealing, is specifically the shaft sealing of a kind of Novel cooling tower hydraulic power blower fan combined main.
Background technique
Industrial circulating water cooling tower is widely used in many departments of national economy, as each fields such as electric power, oil, chemical industry, iron and steel, light textile and pharmacy as a kind of general circulating water equipment.By utilizing the rich hydraulic energy of pipeline, adopting hydraulic power blower fan to substitute motor, realizing energy-saving and cost-reducing target prospect wide.
For a long time, as the core component of hydraulic power blower fan---main shaft seal, its working efficiency is low, and during operation, water leakage is serious, and serious threat is to the normal operation of bearing.A large amount of leaking causes the increase of hydraulic power blower fan volumetric loss on the one hand, and water can be wasted; On the other hand, the seriously direct safe operation to hydraulic power blower fan of leaking brings threat, adds accident potential, and maintenance workload increases.Because maintenance shut-downs will bring very large economic loss, for improving the safety and reliability of hydraulic power blower fan, meeting the normal service condition of Industrial cooling tower, guaranteeing that the high reliability of main shaft seal becomes more and more important.Therefore the core component to existing hydraulic power blower fan is needed---main shaft seal improves and optimizes, and guarantees the usage requirement that hydraulic power blower fan can meet cooling tower and normally runs for a long time.
Summary of the invention
The object of the invention is to overcome the working efficiency that existing cooling tower hydraulic power blower fan main shaft seal technically exists low, run that water leakage is serious, the problem of poor reliability, the shaft sealing of a kind of Novel cooling tower hydraulic power blower fan combined main is provided, have that working efficiency is high, water leakage is few, high reliability, non-maintaining feature, finally reach that hydraulic power blower fan is energy-efficient, the usage requirement of safe and stable operation.
The present invention realizes like this, construct the shaft sealing of a kind of Novel cooling tower hydraulic power blower fan combined main, it is characterized in that: main composition comprises main shaft sheath, spring, packing gland, sealing seat, sealing clamp, rubber type plate seal, fibrage packing.Sealing seat puts together on top cover, and main shaft sheath to be suspended on main shaft and to contact water shutoff with the fibrage packing in sealing seat; On main shaft sheath lower flange, be furnished with rubber type plate seal and compressed by sealing clamp on the other hand.Because internal water pressure contacts water shutoff with sealing seat during rubber flat plate seal operation.
The present invention is based on the operative practice of existing cooling tower hydraulic power blower fan, by analyzing the structure of existing main shaft seal and optimizing and be verified in real machine test, a kind of Novel cooling tower hydraulic power blower fan combined main shaft sealing that final optimization pass is designed, it is characterized in that: the combination seal formed for rubber type plate seal and fibrage packing_seal, namely two seals is set on main shaft, realizes double sealing effect.
According to Novel cooling tower hydraulic power blower fan combined main of the present invention shaft sealing, it is characterized in that, fibrage packing realizes the self compensation regulatory function after wearing and tearing by spring and packing gland.
According to a kind of Novel cooling tower hydraulic power blower fan combined main of the present invention shaft sealing, it is characterized in that: combined labyrinth and carbon gland is while realizing double sealing effect, self-compensating function can be realized under the pretightening force of spring and internal water pressure, reliability is high, safe, non-maintaining, saves operating cost.
Superiority of the present invention is: the present invention is by improving and optimizating, the shaft sealing of a kind of Novel cooling tower hydraulic power blower fan combined main is provided at this, this combined sealing structure overcome the working efficiency that most of existing hydraulic power blower fan main shaft seal exists low, run that water leakage is large, the problem of poor reliability, have that working efficiency is high, water leakage is few, high reliability, non-maintaining feature.
Accompanying drawing explanation
Fig. 1 invention combination spindle sealed structural representation
Wherein in figure: main shaft sheath 1, spring 2, packing gland 3, sealing seat 4, sealing clamp 5, rubber type plate seal 6, fibrage packing 7, main shaft 8.
Embodiment
Below in conjunction with accompanying drawing 1, the present invention is described in detail, is clearly and completely described the technological scheme in the embodiment of the present invention, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The object of the invention is to overcome the working efficiency that existing cooling tower hydraulic power blower fan main shaft seal technically exists low, run that water leakage is serious, the problem of poor reliability, the shaft sealing of a kind of Novel cooling tower hydraulic power blower fan combined main is provided, have that working efficiency is high, water leakage is few, high reliability, non-maintaining feature, finally reach that hydraulic power blower fan is energy-efficient, the usage requirement of safe and stable operation.
As shown in Figure 1: a kind of Novel cooling tower hydraulic power blower fan combined main of the present invention shaft sealing, its improvement is: main composition comprises fibrage packing 7, spring 2, main shaft sheath 1, packing gland 3, sealing seat 4, rubber type plate seal 6, sealing clamp 5 and link etc.Sealing seat 4 puts together on top cover, and main shaft sheath 1 to be suspended on main shaft 8 and to contact water shutoff with the fibrage packing 7 in sealing seat 4; On main shaft sheath 1 lower flange, be furnished with rubber flat plate sealing 6 on the other hand and compressed by sealing clamp 5.Because internal water pressure contacts water shutoff with sealing seat during rubber flat plate seal operation.
First, there is gap between the runner rotated when hydraulic power blower fan runs and fixing top cover, leaking enters into main shaft seal cavity of resorption by this gap, at this and first main shaft seal---rubber type plate seal meets.Sealing plate seal 6 in rubber type plate seal deforms thus contacts with the sealing seat 4 overcurrent conical surface and realizes sealing the function of leaking under the effect of internal water pressure.
Secondly, from the sealing of leaking on a small quantity that rubber type plate seal spills---enter into second fibrage packing_seal, contact and water shutoff with fibrage packing.
Finally, leak thoroughly is sealed after the double seal of combined main shaft sealing, can reach the effect without leaking under normal circumstances.Simultaneously along with the prolongation of working time, incapability is that rubber type plate seal part or fibrage packing will wear and tear, and rubber type plate seal part realizes self compensation regulatory function by internal water pressure on the one hand; On the other hand, dimension braiding packing realizes the self compensation regulatory function after wearing and tearing by spring 2 and packing gland 3.
The present invention is by improving and optimizating, the shaft sealing of a kind of Novel cooling tower hydraulic power blower fan combined main is provided at this, this combined main axle sealing structure solve the working efficiency that existing cooling tower hydraulic power blower fan main shaft seal technically exists low, run that water leakage is serious, the problem of poor reliability, the shaft sealing of a kind of Novel cooling tower hydraulic power blower fan combined main is provided, have that working efficiency is high, water leakage is few, high reliability, non-maintaining feature, finally reach that hydraulic power blower fan is energy-efficient, the usage requirement of safe and stable operation.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. a Novel cooling tower hydraulic power blower fan combined main shaft sealing, is characterized in that: main composition comprises main shaft sheath (1), spring (2), packing gland (3), sealing seat (4), sealing clamp (5), rubber type plate seal (6), fibrage packing (7); Sealing seat (4) puts together on top cover, and main shaft sheath (1) is suspended on main shaft (8) and goes up and contact water shutoff with the fibrage packing (7) in sealing seat (4); Main shaft sheath (1) lower flange is furnished with rubber type plate seal (6) and is compressed by sealing clamp (5).
2. Novel cooling tower hydraulic power blower fan combined main shaft sealing according to claim 1, is characterized in that, fibrage packing (7) realizes the self compensation regulatory function after wearing and tearing by spring (2) and packing gland (3).
3. Novel cooling tower hydraulic power blower fan combined main shaft sealing according to claim 1, is characterized in that; Run in the following manner:
First, there is gap between the runner rotated when hydraulic power blower fan runs and fixing top cover, leaking enters into main shaft seal cavity of resorption by this gap, at this and first main shaft seal---rubber type plate seal meets; Sealing plate seal in rubber type plate seal deforms thus contacts with the sealing seat overcurrent conical surface and realizes sealing the function of leaking under the effect of internal water pressure;
Secondly, from the sealing of leaking on a small quantity that rubber type plate seal spills---enter into second fibrage packing_seal, contact and water shutoff with fibrage packing;
Finally, leak thoroughly is sealed after the double seal of combined main shaft sealing, can reach the effect without leaking under normal circumstances; Simultaneously along with the prolongation of working time, incapability is that rubber type plate seal part or fibrage packing will wear and tear, and rubber type plate seal part realizes self compensation regulatory function by internal water pressure on the one hand; On the other hand, dimension braiding packing realizes the self compensation regulatory function after wearing and tearing by spring and packing gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462927.7A CN104251226B (en) | 2014-09-12 | 2014-09-12 | Combined type spindle seal for hydraulic power fan of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462927.7A CN104251226B (en) | 2014-09-12 | 2014-09-12 | Combined type spindle seal for hydraulic power fan of cooling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104251226A true CN104251226A (en) | 2014-12-31 |
| CN104251226B CN104251226B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410462927.7A Expired - Fee Related CN104251226B (en) | 2014-09-12 | 2014-09-12 | Combined type spindle seal for hydraulic power fan of cooling tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812942A (en) * | 2015-12-01 | 2017-06-09 | 衡阳双雁运输机械有限公司 | A kind of spindle nose component of screw sand washer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0437973B1 (en) * | 1990-01-16 | 1995-03-08 | Westinghouse Electric Corporation | Reactor coolant pump having thermally stabilized hydrostatic sealing assembly |
| CN2551790Y (en) * | 2002-06-08 | 2003-05-21 | 胡滨 | Combined sealer for sand digging pump |
| CN2906151Y (en) * | 2006-06-22 | 2007-05-30 | 曹稼昌 | Energy-saving non-leakage device for vertical easily-detachable multistage centrifugal pump |
| CN201540040U (en) * | 2009-09-23 | 2010-08-04 | 翁芳明 | Cooling tower for waterpower fan |
| CN101876386A (en) * | 2009-04-28 | 2010-11-03 | 沐秀平 | Rotary compensator for heat supply network pipeline |
| CN204299938U (en) * | 2014-09-12 | 2015-04-29 | 乐山东方动力节能设备有限公司 | The combined main shaft sealing of Novel cooling tower hydraulic power blower fan |
-
2014
- 2014-09-12 CN CN201410462927.7A patent/CN104251226B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0437973B1 (en) * | 1990-01-16 | 1995-03-08 | Westinghouse Electric Corporation | Reactor coolant pump having thermally stabilized hydrostatic sealing assembly |
| CN2551790Y (en) * | 2002-06-08 | 2003-05-21 | 胡滨 | Combined sealer for sand digging pump |
| CN2906151Y (en) * | 2006-06-22 | 2007-05-30 | 曹稼昌 | Energy-saving non-leakage device for vertical easily-detachable multistage centrifugal pump |
| CN101876386A (en) * | 2009-04-28 | 2010-11-03 | 沐秀平 | Rotary compensator for heat supply network pipeline |
| CN201540040U (en) * | 2009-09-23 | 2010-08-04 | 翁芳明 | Cooling tower for waterpower fan |
| CN204299938U (en) * | 2014-09-12 | 2015-04-29 | 乐山东方动力节能设备有限公司 | The combined main shaft sealing of Novel cooling tower hydraulic power blower fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812942A (en) * | 2015-12-01 | 2017-06-09 | 衡阳双雁运输机械有限公司 | A kind of spindle nose component of screw sand washer |
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| CN104251226B (en) | 2017-02-15 |
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