CN2206873Y - Seal device for high-speed, high-temp and high-pressure cauldron - Google Patents
Seal device for high-speed, high-temp and high-pressure cauldron Download PDFInfo
- Publication number
- CN2206873Y CN2206873Y CN 94242541 CN94242541U CN2206873Y CN 2206873 Y CN2206873 Y CN 2206873Y CN 94242541 CN94242541 CN 94242541 CN 94242541 U CN94242541 U CN 94242541U CN 2206873 Y CN2206873 Y CN 2206873Y
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- CN
- China
- Prior art keywords
- seal
- stirring shaft
- cooling water
- last
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Sealing (AREA)
Abstract
The utility model relates to a seal device for high-speed, high-temp and high-pressure cauldron, which is characterized in that the utility model comprises a dismountable bearing [10] which is arranged between a stirring shaft [1] and a sealing box [20], two sealing devices are arranged at the upper and the lower sides of the bearing [10], each sealing device is provided with an impeller wheel, a moving ring and a stationary ring, the top of the sealing box [20] is provided with a thrust bearing [16], and a cooling water box [23] is arranged between the bottom of the sealing box and a cauldron mouth. The axial float and the radial swing of the utility model can be controlled in a small range. The utility model has the advantages of easy demounting and convenient maintenance. The can be carried off timely, and the utility model is suitable for the mechanical seal on the high-temp, high-pressure and high-speed reaction vessel.
Description
The utility model relates to a kind of vesselseals device.
In the prior art, mechanical seal is a kind of desirable seal form that solves rotation axis seal.It is by at least one pair of end face perpendicular to spin axis, under the elastic force effect of hydrodynamic pressure and compensation mechanism and under the cooperation of auxiliary seal, keep to fit and slide relative and constitute the device that prevents escape of liquid.Under the situation of high speed rotating, because rotating ring and a large amount of heat energy of stationary ring friction-produced, the badly damaged seal arrangement of meeting causes liquid leakage in sealing fluid and the still to present still with seal arrangement.High temperature, highly pressurised liquid in the still also can make seal arrangement malfunctioning simultaneously.
The purpose of this utility model is to provide a kind of vesselseals device of using on the reactor of high speed, high temperature, high pressure of being suitable for.
The technical solution of the utility model is: the disengaging bearing is housed between stirring shaft and the seal case; Described disengaging bearing is positioned at the centre of two cover seal arrangements up and down, and described bearing is divided into the cavity between stirring shaft and the seal case goes up Seal cage and lower seal chamber; Be provided with the last impeller that is fixed on the stirring shaft in the last Seal cage, the seal case at last Seal cage place is provided with sealing fluid upper inlet and sealing fluid upper outlet, the last rotating ring of last Seal cage internal fixation on stirring shaft be fixed in seal case in the last stationary ring of top of chamber closely contact; Be provided with the following impeller that is fixed on the stirring shaft in the lower seal chamber, the seal case at place, lower seal chamber is provided with sealing fluid lower inlet and sealing fluid outlet down, and the following rotating ring of lower seal chamber internal fixation on stirring shaft closely contacts with the following stationary ring that is fixed in the seal case intracavity bottom.Between bearing support that described seal case top is fixed and the stirring shaft thrust-bearing is housed.Be provided with the cooling water casing between described seal case bottom and the still mouth, described cooling water casing and in the cooling water tank chamber is arranged, this cooling water casing is provided with cooling water inlet and coolant outlet.
The utility model compared with prior art has following advantage:
(1). owing to adopted a disengaging bearing and a heavy-loaded thrust bearing, its disengaging bearing is positioned at the centre of two cover sealings, the circular runout that this mechanical seal is born is controlled at the scope interior (less than 0.25mm) of a minimum, axial float is controlled in the 0.1mm scope, can prolong the working life of sealing, bring great convenience to part replacement simultaneously.
(2). go up and to be provided with impeller in Seal cage and the lower seal chamber and to follow stirring shaft and rotate, make dynamic and static ring friction and heat that bearing produced in time enter extraneous cooling, mechanical seal is in the best environment all the time moves by seal fluid outlet.
(3). the position that the stationary ring bottom links to each other with the still mouth has increased a cooling water tank, and the heat that is delivered to seal ring in the still is controlled in allowed limits, prolongs the working life of seal ring.
The utility model will be further described below in conjunction with drawings and Examples:
Accompanying drawing is a structure sectional view of the present utility model; Wherein:
［ 1 ］. stirring shaft; ［ 2 ］. suction pipe; ［ 3 ］. the cooling water tank chamber; ［ 4 ］. following stationary ring; ［ 5 ］. seal ring; ［ 6 ］. coolant outlet; ［ 7 ］. following rotating ring; ［ 8 ］. following impeller; ［ 9 ］. sealing fluid is outlet down; ［ 10 ］. the disengaging bearing; ［ 11 ］. the sealing fluid upper outlet; ［ 12 ］. go up impeller; ［ 13 ］. go up rotating ring; ［ 14 ］. go up stationary ring; ［ 15 ］. outer leakage outlet; ［ 16 ］. thrust-bearing; ［ 17 ］. bearing support; ［ 18 ］. the sealing fluid upper inlet; ［ 19 ］. clamping bolt; ［ 20 ］. seal case; ［ 21 ］. clamping bolt; ［ 22 ］. the sealing fluid lower inlet; ［ 23 ］. the cooling water casing; ［ 24 ］. the cooling water inlet; ［ 25 ］. go up Seal cage; ［ 26 ］. the lower seal chamber.
Embodiment: be equipped with between stirring shaft ［ 1 ］ and the seal case ［ 20 ］ and be used to control the disengaging bearing ［ 10 ］ that radially rocks; Described bearing ［ 10 ］ is positioned at the centre of two cover seal arrangements up and down.Described bearing ［ 10 ］ is divided into the cavity between stirring shaft ［ 1 ］ and the seal case ［ 20 ］ goes up Seal cage ［ 25 ］ and lower seal chamber ［ 26 ］; On top in the cover seal arrangement, be provided with the last impeller ［ 12 ］ that is fixed on the stirring shaft ［ 1 ］ in the last Seal cage ［ 25 ］.When stirring shaft ［ 1 ］ rotates, drive and go up impeller ［ 12 ］ rotation, sealing fluid in the Seal cage ［ 25 ］ is flowed fast, take away the heat that the dynamic and static ring friction is produced, because the seal case ［ 20 ］ at last Seal cage ［ 25 ］ place is provided with sealing fluid upper inlet ［ 18 ］ and sealing fluid upper outlet ［ 11 ］, so sealing fluid can circulate through above-mentioned entrance and exit, sealing fluid cools off by booster jar in the external world.The last rotating ring ［ 13 ］ of last Seal cage ［ 25 ］ internal fixation on stirring shaft ［ 1 ］ be fixed in seal case ［ 20 ］ in the last stationary ring ［ 14 ］ of top of chamber closely contact, play the motive sealing effect.Last rotating ring ［ 13 ］ and last stationary ring ［ 14 ］ are equipped with seal ring, leak in order to prevent sealing fluid.Be provided with the following impeller ［ 8 ］ that is fixed on the stirring shaft ［ 1 ］ in the lower seal chamber ［ 26 ］, the seal case ［ 20 ］ at place, lower seal chamber ［ 26 ］ is provided with sealing fluid lower inlet ［ 22 ］ and sealing fluid outlet ［ 9 ］ down, and the following rotating ring ［ 7 ］ of lower seal chamber ［ 26 ］ internal fixation on stirring shaft ［ 1 ］ closely contacts with the following stationary ring ［ 4 ］ that is fixed in seal case ［ 20 ］ intracavity bottom.Between bearing support ［ 17 ］ that described seal case ［ 20 ］ top is fixed and the stirring shaft ［ 1 ］ thrust-bearing ［ 16 ］ is housed, this thrust-bearing ［ 16 ］ is used to control the axial float of Sealing.Bearing support ［ 17 ］ is connected to a fixed by clamping bolt ［ 19 ］ with seal case ［ 20 ］.Be provided with cooling water casing ［ 23 ］ between described seal case ［ 20 ］ bottom and the still mouth, described cooling water casing ［ 23 ］ and in cooling water tank chamber ［ 3 ］ is arranged, this cooling water casing ［ 23 ］ is provided with cooling water inlet ［ 24 ］ and coolant outlet ［ 6 ］.The continuous circulation of cooling water can make cooling water constantly absorb from the heat in the still, and seal ring is operated in the temperature range of permission.Cooling water casing ［ 23 ］ is connected to a fixed by clamping bolt ［ 21 ］ with seal case ［ 20 ］.Be provided with cavity between the cooling water casing ［ 23 ］ of following stationary ring ［ 4 ］ bottom and the stirring shaft ［ 1 ］, be inserted with suction pipe ［ 2 ］ in this cavity, this suction pipe ［ 2 ］ is connected with outside by the tubular conduit on the cooling water casing ［ 23 ］.Suction pipe ［ 2 ］ is used for draining the sealing fluid that is leaked by lower seal chamber ［ 26 ］ to the external world.Be provided with cavity between the bearing support ［ 17 ］ on last stationary ring ［ 14 ］ top and the stirring shaft ［ 1 ］, this cavity exports ［ 15 ］ by outer leakage and connects with outside.After the sealing fluid in the last Seal cage ［ 25 ］ leaked, sealing fluid can drain into the external world through outer leakage outlet ［ 15 ］.
Claims (5)
1, a kind of high-speed and high-temperature autoclave seal arrangement, it is characterized in that: between stirring shaft [1] and the seal case [20] disengaging bearing [10] is housed, described bearing [10] is divided into the cavity between stirring shaft [1] and the seal case [20] goes up Seal cage [25] and lower seal chamber [26]; Be provided with the last impeller [12] that is fixed on the stirring shaft [1] in the last Seal cage [25], the seal case [20] at last Seal cage [25] place is provided with sealing fluid upper inlet [18] and sealing fluid upper outlet [11], the last rotating ring [13] of last Seal cage [25] internal fixation on stirring shaft [1] be fixed in seal case [20] in the last stationary ring [14] of top of chamber closely contact; Be provided with the following impeller [8] that is fixed on the stirring shaft [1] in the lower seal chamber [26], the seal case [20] at place, lower seal chamber [26] is provided with sealing fluid lower inlet [22] and sealing fluid outlet [9] down, and the following rotating ring [7] of lower seal chamber [26] internal fixation on stirring shaft [1] closely contacts with the following stationary ring [4] that is fixed in seal case [20] intracavity bottom.
2, high-speed and high-temperature autoclave seal arrangement according to claim 1 is characterized in that: between bearing support ［ 17 ］ that described seal case ［ 20 ］ top is fixed and the stirring shaft ［ 1 ］ thrust-bearing ［ 16 ］ is housed.
3, high-speed and high-temperature autoclave seal arrangement according to claim 1, it is characterized in that: be provided with cooling water casing ［ 23 ］ between described seal case ［ 20 ］ bottom and the still mouth, described cooling water casing ［ 23 ］ with in cooling water tank chamber ［ 3 ］ is arranged, this cooling water casing ［ 23 ］ is provided with cooling water inlet ［ 24 ］ and coolant outlet ［ 6 ］.
4, according to claim 1 or 3 described high-speed and high-temperature autoclave seal arrangements, it is characterized in that: be provided with cavity between the cooling water casing ［ 23 ］ of following stationary ring ［ 4 ］ bottom and the stirring shaft ［ 1 ］, be inserted with suction pipe ［ 2 ］ in this cavity, this suction pipe ［ 2 ］ is connected with outside by the tubular conduit on the cooling water casing ［ 23 ］.
5, high-speed and high-temperature autoclave seal arrangement according to claim 1 and 2 is characterized in that: upward be provided with cavity between the bearing support ［ 17 ］ on stationary ring ［ 14 ］ top and the stirring shaft ［ 1 ］, this cavity exports ［ 15 ］ by outer leakage and connects with outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94242541 CN2206873Y (en) | 1994-08-31 | 1994-08-31 | Seal device for high-speed, high-temp and high-pressure cauldron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94242541 CN2206873Y (en) | 1994-08-31 | 1994-08-31 | Seal device for high-speed, high-temp and high-pressure cauldron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2206873Y true CN2206873Y (en) | 1995-09-06 |
Family
ID=33849114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94242541 Expired - Fee Related CN2206873Y (en) | 1994-08-31 | 1994-08-31 | Seal device for high-speed, high-temp and high-pressure cauldron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2206873Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306336B (en) * | 2007-05-17 | 2011-01-19 | 吴小杰 | Energy saving high-temperature high-pressure reaction kettle agitating apparatus |
| CN102279080A (en) * | 2011-03-30 | 2011-12-14 | 苏州宝骅机械技术有限公司 | Performance test device for sealing gasket of nuclear power equipment |
| CN102600780A (en) * | 2011-01-24 | 2012-07-25 | 昆山密友机械密封有限公司 | Modularization sealing device for kettle |
| CN102628515A (en) * | 2012-04-26 | 2012-08-08 | 大连华锐重工集团股份有限公司 | Mortar box stirring-shaft sealing device for shield equipment |
| CN107448609A (en) * | 2017-08-25 | 2017-12-08 | 洛阳栾川钼业集团股份有限公司 | A kind of sealing device for high pressure Leach reaction kettle |
| CN108246139A (en) * | 2016-12-28 | 2018-07-06 | 上海沃迪自动化装备股份有限公司 | A kind of agitating device with mechanical seal cooling |
-
1994
- 1994-08-31 CN CN 94242541 patent/CN2206873Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306336B (en) * | 2007-05-17 | 2011-01-19 | 吴小杰 | Energy saving high-temperature high-pressure reaction kettle agitating apparatus |
| CN102600780A (en) * | 2011-01-24 | 2012-07-25 | 昆山密友机械密封有限公司 | Modularization sealing device for kettle |
| CN102600780B (en) * | 2011-01-24 | 2014-08-27 | 昆山密友机械密封有限公司 | Modularization sealing device for kettle |
| CN102279080A (en) * | 2011-03-30 | 2011-12-14 | 苏州宝骅机械技术有限公司 | Performance test device for sealing gasket of nuclear power equipment |
| CN102628515A (en) * | 2012-04-26 | 2012-08-08 | 大连华锐重工集团股份有限公司 | Mortar box stirring-shaft sealing device for shield equipment |
| CN108246139A (en) * | 2016-12-28 | 2018-07-06 | 上海沃迪自动化装备股份有限公司 | A kind of agitating device with mechanical seal cooling |
| CN107448609A (en) * | 2017-08-25 | 2017-12-08 | 洛阳栾川钼业集团股份有限公司 | A kind of sealing device for high pressure Leach reaction kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |