CN208221167U - A kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump - Google Patents
A kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump Download PDFInfo
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- CN208221167U CN208221167U CN201820601069.3U CN201820601069U CN208221167U CN 208221167 U CN208221167 U CN 208221167U CN 201820601069 U CN201820601069 U CN 201820601069U CN 208221167 U CN208221167 U CN 208221167U
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Abstract
The utility model discloses a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pumps, belong to heating agent pump technical field, circulating pump includes the pump housing, the pump cover being fixedly connected with the pump housing, impeller between the pump housing and pump cover, it further include that one end is fixedly connected with impeller, the other end and motor form the pump shaft of transmission cooperation, bearing body is set on pump shaft, collet cooling structure is set on bearing body, collet cooling structure is between pump cover and motor, sealing structure is provided between pump shaft and pump cover, sealing structure includes packing seal layer and mechanical seal, packing seal layer is between impeller and mechanical seal, packing seal layer is the layer structure made of graphite fibre, mechanical seal is single-end face integrated mechanical sealing member.Hot adaptability is good, and sealing is more reliable, so that the stable operation under high-temperature high-pressure state may be implemented in circulating pump, also solves the problems, such as mechanical seal because rigging error leads to seal failure, improves an assembly yield.
Description
Technical field
The utility model belongs to heating agent pump technical field, is related to a kind of jacket type bearing body high temperature and pressure heating agent circulation
Pump is primarily adapted for use in petroleum and chemical industry, oil prodution industry, synthesis fibre suitable for conveying the high-temp liquid for being free of solid particle
Industry, textile and dyeing industry, plastics and rubber industry, paper industry, timber industry are tieed up, in building industry, mechanical industry, food
Industry, medicine produce, are also widely used in the hot oil heating circulatory system.
Background technique
The bearing service life in generally existing high temperature hot coal pump bearing body is all at 1 year or so in the market, or even have
Will break down under hot environment operating condition at three months or so, though can also inadequate operation, also want regular dimension
Shield maintenance, expends a large amount of manpower and material resources, will increase input cost, the intracorporal sealing material of bearing can also contract under high temperature environment
Short service life reduces sealing effect.
Summary of the invention
The utility model in order to overcome the drawbacks of the prior art, devises a kind of jacket type bearing body high temperature and pressure heating agent and follows
Ring pump, hot adaptability is good, and sealing is more reliable, so that the stable operation under high-temperature high-pressure state may be implemented in circulating pump, also solves
The problem of mechanical seal of having determined leads to seal failure because of rigging error improves an assembly yield.
The specific technical solution that the utility model is taken is: a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump,
It further include one end and the fixed company of impeller including the pump housing, the pump cover being fixedly connected with the pump housing, the impeller between the pump housing and pump cover
It connects, the pump shaft of the other end and motor formation transmission cooperation, is set with bearing body on pump shaft, the cooling knot of collet is set on bearing body
Structure, collet cooling structure are provided with sealing structure between pump cover and motor between pump shaft and pump cover, it is important to: it is described
Sealing structure includes packing seal layer and mechanical seal, and packing seal layer is between impeller and mechanical seal, packing seal layer
It is the layer structure made of graphite fibre, mechanical seal is single-end face integrated mechanical sealing member.
The pump housing is the shell structure as caused by Reform of Resin Sand Casting, and pump cover is the cover body structure as caused by Reform of Resin Sand Casting.
The collet cooling structure includes the shaft sleeve sealing device being arranged between bearing body and pump shaft, is sleeved on pump shaft
On bearing gland, bearing gland is located at bearing body close to one end of motor, and bearing body periphery is set with collet, collet and bearing
Cavity between body is cooling sap cavity, and the cooling liquid inlet and cooling liquid outlet being connected to cooling sap cavity, folder are provided on collet
Temperature sensor is provided in set.
The shaft sleeve sealing device includes the first oil sealing, adjusting pad and hole circlip being successively sleeved on pump shaft, Kong Ka
Spring is located at close to one end of bearing gland, and the first oil sealing and adjusting pad are all to connect and fix by hole circlip with bearing body.
Bearing is provided between the bearing body and pump shaft, bearing is fixed on pump shaft and the both ends of pump shaft are all fixed with
Bearing is provided with oil filler point on bearing body.
Between the bearing gland and bearing body, pump cover be both provided with sealing between side and pump shaft far from the pump housing
Pad, between bearing gland and pump shaft, is both provided with the second oil sealing between pump cover and bearing body.
The bottom of the bearing body is fixed with bracket.
The beneficial effects of the utility model are: packing seal layer and single-end face integrated machinery made of graphite fibre are close
Sealing combines, and hot adaptability is good, and sealing is more reliable, so that sealing performance is produced leap, mentions than rubber sealing reliability
25 times high, corrosion resistance has also obtained large increase, so that the stabilization under high-temperature high-pressure state may be implemented in circulating pump
Operation；Using single-end face integrated mechanical sealing member, the reliability of complete machine sealing is not only increased, while also being solved mechanical close
The problem of envelope leads to seal failure because of rigging error, improve an assembly yield.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In attached drawing, 1 represents the pump housing, and 2 represent pump cover, and 3 represent impeller, and 4 represent pump shaft, and 5 represent bearing body, and 6 represent 7 representatives
Collet, 8 represent bearing, and 9 represent oil filler point, and 10 represent gasket, and 11 represent the second oil sealing, and 12 represent bracket, and 13 represent adjustment
Pad, 14 represent hole circlip, and 15 represent packing seal layer, and 16 represent mechanical seal, and 17 represent the first oil sealing.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model:
Specific embodiment, as shown in Figure 1, a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump, including the pump housing 1, with
The pump cover 2 that the pump housing 1 is fixedly connected, the impeller 3 between the pump housing 1 and pump cover 2, further include one end be fixedly connected with impeller 3,
The other end and motor form the pump shaft 4 of transmission cooperation, are set with bearing body 5 on pump shaft 4, it is cooling that collet is set on bearing body 5
Structure, collet cooling structure are provided with sealing structure between pump cover 2 and motor between pump shaft 4 and pump cover 2, described is close
Seal structure includes packing seal layer 15 and mechanical seal 16, and packing seal layer 15 is between impeller 3 and mechanical seal 16, filler
Sealant 15 is the layer structure made of graphite fibre, and mechanical seal 16 is single-end face integrated mechanical sealing member.
Packing seal layer 15 is combined with mechanical seal 16, and graphite fibre hot adaptability resistant to high temperature is good, and sealing more may be used
It leans on, sealing performance is made to produce leap, improve 25 times than rubber sealing reliability, corrosion resistance has also obtained very big
It improves, so that the stable operation under high-temperature high-pressure state may be implemented in circulating pump；Using single-end face integrated mechanical sealing member, no
The reliability of complete machine sealing is improved only, while also solving the problems, such as mechanical seal because rigging error leads to seal failure, is mentioned
A high assembly yield.Collet cooling structure can reduce the high ambient temperatures that bearing body 5 operation itself generates, due to
Cooling liquid in collet cooling structure constantly recycles, to reduce pump shaft 4, bearing body 5 and the operating temperature entirely pumped, makes
The vibration of circulating pump is smaller, and operating is more stable, can effectively radiate, cool down, and extends the service life of circulating pump, reduces due to height
The investment and maintenance cost for the easily worn part that temperature generates, reduce the production cost of product.
As to further improvement of the utility model, the pump housing 1 is the shell structure as caused by Reform of Resin Sand Casting, and pump cover 2 is
The cover body structure as caused by Reform of Resin Sand Casting, it is possible to reduce the quantity of sand holes, slag inclusion and stomata improves the matter of the pump housing 1 and pump cover 2
Amount.
As to further improvement of the utility model, collet cooling structure include setting bearing body 5 and pump shaft 4 it
Between shaft sleeve sealing device, the bearing gland 6 that is sleeved on pump shaft 4, bearing gland 6 is located at bearing body 5 close to the one of motor
End, 5 periphery of bearing body is set with collet 7, and the cavity between collet 7 and bearing body 5 is cooling sap cavity, be provided on collet 7 with
The cooling liquid inlet and cooling liquid outlet of sap cavity connection are cooled down, is provided with temperature sensor in collet 7.In use, temperature sensing
Device is connect with controller, and controller is connect with coolant circulation system, when the coolant liquid in collet 7 is higher than presetting in controller
When temperature, starting coolant liquid circulation, coolant liquid is from cooling liquid inlet into from cooling liquid outlet, completion automation heat exchange is led to
The monitoring of excess temperature sensor can complete the replacement of coolant liquid in time, more energy saving.
As to further improvement of the utility model, shaft sleeve sealing device includes first be successively sleeved on pump shaft 4
Oil sealing 17, adjusting pad 13 and hole circlip 14, hole circlip 14 are located at close to one end of bearing gland 6, the first oil sealing 17 and adjusting pad
13 are connected and fixed by hole circlip 14 and bearing body 5, and structure is simple, and clamping is solid and reliable, and sealing effect is good.
As to further improvement of the utility model, bearing 8 is provided between bearing body 5 and pump shaft 4, bearing 8 is fixed
On pump shaft 4 and the both ends of pump shaft 4 are all fixed with bearing 8, and oil filler point 9 is provided on bearing body 5.By being infused in oil filler point 9
Lubricating action can be played to bearing 8 by entering lubricating oil, improve equipment reliability of operation.Bearing gland,
As to further improvement of the utility model, between bearing gland 6 and bearing body 5, pump cover 2 is far from the pump housing 1
It is both provided with gasket 10 between side and pump shaft 4, is all set between bearing gland 6 and pump shaft 4, between pump cover 2 and bearing body 5
It is equipped with the second oil sealing 11, further increases sealing effect.
It is fixed with bracket 12 as the bottom to further improvement of the utility model, bearing body 5, plays the fixed heat of support
The effect of matchmaker's pump, so that heat medium pump is whole more reliable and more stable.
Circulating pump in the utility model is using the standard of API610 american petroleum chemical flow-process pump as foundation, in conjunction with market
A kind of Novel high-temperature high-pressure heat medium circulation pump of demand and novel seal technical research, basic structure form are one step single sucking knot
Structure, the import of pump are axial sucking, and centered on outlet vertically upward, sealing structure, good cooling results axially run smoothly, whole
Running body performance is good, using reliable.Flow passage components all use fluid calculation software design, and hydraulic performance is increased to 3-5%.Overcurrent
Component carries out the pump housing, pump cover using high temperature heating agent using an Apparatus for Pressure at high-temp after the room temperature water pressure test
Pressure testing, not only can effectively eliminate the mechanical stress of workpiece, at the same can detecte workpiece under worst hot case environment whether
There is phenomenon of osmosis, it is ensured that using safe.The technical parameter range that pump operating cycle reaches are as follows: flow 1-1200m3/ h, lift 10-
130m, 0 DEG C -350 DEG C of temperature.
Claims (7)
1. a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump, including the pump housing (1), the pump cover being fixedly connected with the pump housing (1)
(2), the impeller (3) between the pump housing (1) and pump cover (2), further include one end be fixedly connected with impeller (3), the other end and electricity
Machine forms the pump shaft (4) of transmission cooperation, is set with bearing body (5) on pump shaft (4), and the cooling knot of collet is set on bearing body (5)
Structure, collet cooling structure are located between pump cover (2) and motor, are provided with sealing structure between pump shaft (4) and pump cover (2), special
Sign is: the sealing structure includes packing seal layer (15) and mechanical seal (16), and packing seal layer (15) is located at impeller
(3) between mechanical seal (16), packing seal layer (15) is the layer structure made of graphite fibre, and mechanical seal (16) is
Single-end face integrated mechanical sealing member.
2. a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump according to claim 1, it is characterised in that: described
The pump housing (1) is the shell structure as caused by Reform of Resin Sand Casting, and pump cover (2) is the cover body structure as caused by Reform of Resin Sand Casting.
3. a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump according to claim 1, it is characterised in that: described
Collet cooling structure includes the shaft sleeve sealing device being arranged between bearing body (5) and pump shaft (4), is sleeved on pump shaft (4)
Bearing gland (6), bearing gland (6) are located at the one end of bearing body (5) close to motor, and bearing body (5) periphery is set with collet
(7), the cavity between collet (7) and bearing body (5) is cooling sap cavity, be provided on collet (7) with cool down sap cavity be connected to it is cold
But liquid import and cooling liquid outlet, collet (7) is interior to be provided with temperature sensor.
4. a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump according to claim 3, it is characterised in that: described
Shaft sleeve sealing device includes the first oil sealing (17), adjusting pad (13) and the hole circlip (14) being successively sleeved on pump shaft (4), Kong Ka
Spring (14) is located at close to the one end of bearing gland (6), the first oil sealing (17) and adjusting pad (13) be all by hole circlip (14) and
Bearing body (5) connects and fixes.
5. a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump according to claim 3, it is characterised in that: described
It is provided between bearing body (5) and pump shaft (4) bearing (8), bearing (8) is fixed on pump shaft (4) and the both ends of pump shaft (4) are all solid
Surely have bearing (8), oil filler point (9) are provided on bearing body (5).
6. a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump according to claim 3, it is characterised in that: described
Sealing is both provided between bearing gland (6) and bearing body (5), between the side and pump shaft (4) of pump cover (2) separate the pump housing (1)
It pads (10), is both provided with the second oil sealing (11) between bearing gland (6) and pump shaft (4), between pump cover (2) and bearing body (5).
7. a kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump according to claim 3, it is characterised in that: the axis
The bottom for holding body (5) is fixed with bracket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820601069.3U CN208221167U (en) | 2018-04-25 | 2018-04-25 | A kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820601069.3U CN208221167U (en) | 2018-04-25 | 2018-04-25 | A kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221167U true CN208221167U (en) | 2018-12-11 |
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ID=64513225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820601069.3U Active CN208221167U (en) | 2018-04-25 | 2018-04-25 | A kind of jacket type bearing body high-temperature high-pressure heating medium circulation pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624400A (en) * | 2023-07-21 | 2023-08-22 | 河北兆宏机械泵业有限公司 | Heating medium pump for temperature control machine |
| CN117345655A (en) * | 2023-12-05 | 2024-01-05 | 四川川工泵业有限公司 | Pump sled |
-
2018
- 2018-04-25 CN CN201820601069.3U patent/CN208221167U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624400A (en) * | 2023-07-21 | 2023-08-22 | 河北兆宏机械泵业有限公司 | Heating medium pump for temperature control machine |
| CN116624400B (en) * | 2023-07-21 | 2023-10-27 | 河北兆宏机械泵业有限公司 | Heating medium pump for temperature control machine |
| CN117345655A (en) * | 2023-12-05 | 2024-01-05 | 四川川工泵业有限公司 | Pump sled |
| CN117345655B (en) * | 2023-12-05 | 2024-02-27 | 四川川工泵业有限公司 | Pump sled |
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