CN201173193Y - Coal slurry recycle pump for coal oil - Google Patents
Coal slurry recycle pump for coal oil Download PDFInfo
- Publication number
- CN201173193Y CN201173193Y CNU2007200756654U CN200720075665U CN201173193Y CN 201173193 Y CN201173193 Y CN 201173193Y CN U2007200756654 U CNU2007200756654 U CN U2007200756654U CN 200720075665 U CN200720075665 U CN 200720075665U CN 201173193 Y CN201173193 Y CN 201173193Y
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- Prior art keywords
- bearing
- pump
- impeller
- mechanical seal
- coal
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- Expired - Fee Related
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Abstract
The utility model relates to a coal slurry circulation pump used for coal liquefaction, which belongs to the technical field of the circulation pump. The coal slurry circulation pump comprises a pump body, an electric motor, an impeller, a pump cover, a shaft sleeve, bearing components and a shaft, wherein, a mechanical seal is arranged at the connection between the pump cover and the shaft. The circulation pump is characterized in that the bearing components adopt a labyrinth seal, the bearing components comprise a bearing body, a gland, a bearing sleeve and an adjusting bolt for realizing axial adjustment, the impeller adopts an unshrouded impeller, the mechanical seal adopts an assembling double-end mechanical seal, and the bearing body adopts an axial distance adjustable type bearing body structure. The circulation pump has the advantages that the wearing and the corrosion problems during the oil coal slurry transportation process is effectively solved, the passing ability of high concentration solid particles and the use reliability of the mechanical seal with solid particles are enhanced, the volumetric efficiency of the pump is ensured, and the pump always operates at high efficiency; moreover, the structure is simple, and the processing is convenient.
Description
[technical field]
The utility model relates to the recycle pump technical field, particularly a kind of recycle pump that is used for coal system oil, coal chemical engineering equipment transferring oil coal slurry.
[background technique]
Because petroleum resources are in short supply day by day, and coal resources are abundanter than oil far away, and coal system oil project also more and more is subjected to the attention of country.In the coal system oil project, need the coal slurry recycle pump of transferring oil coal slurry.
Now since coal system oil project is domestic also is in the new development, so be not specifically designed to the coal slurry recycle pump of this technology.The general general chemical pump that uses is made the coal slurry recycle pump, and in use, wearing and tearing, corrosion often appear in the pump housing, pump cover, impeller; Mechanical seal is unreliable, occurs shortcomings such as leakage, inefficacy easily.
[summary of the invention]
Task of the present utility model provides a kind of special reliably be coal system oil, the supporting coal slurry recycle pump of Coal Chemical Industry.The pump housing, motor, pump cover, impeller are selected two phase stainless steel for use, solve wearing and tearing and etching problem in the transferring oil coal slurry; Impeller adopts unshrouded impeller, to improve the passing capacity of high concentrated, solid particle; The unit loading type double mechanical seal is adopted in mechanical seal, to reach in the mechanical seal operational safety that has under the solid particle situation.Bearing support adopts adjustable axle to hold body structure to the distance profile shaft, and with the gap between the assurance impeller and the pump housing, thereby the volumetric efficiency of assurance pump makes pump be in high-efficiency operation all the time.
The technical solution of the utility model is as follows: a kind of coal system oil coal slurry recycle pump, comprise the pump housing, impeller, pump cover, axle sleeve, bearing part and axle, pump cover is equipped with mechanical seal with the joint of axle, described bearing part adopts labyrinth seal, bearing part comprises bearing support, gland, bearing housing and the adjusting bolt of realizing axial adjustment, impeller adopts unshrouded impeller, and the unit loading type double mechanical seal is adopted in mechanical seal, and bearing support is that adjustable axle holds body structure to the distance profile shaft.
Adopt the paired mounting angular contact ball bearing near the motor side bearing, adopt roller bearing near the impeller end bearing; Bearing adopts thin oil bath lubrication.
Flue gas desulfurization pump of the present utility model has following characteristics:
1, pump is the one step single sucking horizontal centrifugal pump, according to medium different in the difference of each position operation conditions and material technology, the pump housing, pump cover, impeller, axle sleeve adopt two phase stainless steel, and this material has corrosion-resistant and abrasion resistance properties reliably, guarantees the requirement of pump group corrosion-resisting wear-proof;
2, rotor is provided with the axial adjustment structure, and rotor can axially be adjusted, and convenient axial clearance of regulating the impeller and the pump housing makes pump be in the high-efficiency operation state;
3, drive end bearing adopts the paired mounting angular contact ball bearing, and the pump step bearing adopts roller bearing; Bearing adopts thin oil bath lubrication, has improved the operating conditions of bearing, has improved bearing working life greatly;
4, unit loading type double mechanical seal, reliability height, long service life are adopted in mechanical seal;
5, impeller adopts the unshrouded impeller design, makes it when conveying has the solid particle of high concentration good passing capacity can be arranged;
Working procedure of the present utility model is as follows:
After the correct installation of coal slurry recycle pump, need guarantee that oil mass is moderate in the bearing support; With the moving rotor of tool shelf, guarantee that rotor rotation is no abnormal; Feed the lubricated cooling water of mechanical seal, regulate lubricated water to required flow and pressure; Whether turn to correct (being seen as counterclockwise from drive end) of pump checked in some starting; Should open inlet valve before starting, guarantee to be full of in the pump housing medium, along with liquid level in the pump constantly raises, gas is discharged from the outlet valve that is installed on the export pipeline, treats that outlet valve arranged gas, closes the outlet gate valve, starts unit; After motor operates steadily, open the sluices again, regulate flow and lift to the range of operation that needs; Flow out from impeller radial circumference direction the liquid medium suction side of flowing through, and through pump housing water conservancy diversion, arrives the fluid pipeline at last; During shutdown, should close outlet valve earlier and cut off the electricity supply again.
The beneficial effects of the utility model are, effectively solved wearing and tearing and etching problem in the transferring oil coal slurry, improved the passing capacity of high concentrated, solid particle, the mechanical seal operational safety under the solid particle situation has been arranged, guarantee the volumetric efficiency of pump, make pump be in high-efficiency operation all the time; And simple in structure, be convenient to processing.
[description of drawings]
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an axial adjustment structural representation of the present utility model;
Fig. 3 is a pump group example structure schematic representation.
Referring to Fig. 1, Fig. 2,1 is bearing body part, and 2 is axle, and 3 is the unit loading type double mechanical seal, and 4 is pump cover, and 5 are water-cooled chamber lid, and 6 is the pump housing, and 7 is impeller, and 8 is support, and 9 are, 10 are dustproof dish, and 11 is bearing gland, and 12 is disc, and 13 for regulating bolt.
[specific embodiment]
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
As shown in Figure 1, the utility model is equipped with the pump housing 6, impeller 7, pump cover 4, water-cooled chamber lid 5, the pump housing 6 and support 8 link to each other by bolt, pump support 8 bears the weight of whole pump, unit loading type double mechanical seal 3 is installed on the pump cover 4, axle sleeve 9 is installed on the axle 2, and bearing body part 1 links to each other with pump cover 4 by bolt, and realizes axial adjustment by the adjusting bolt 13 that is installed in bearing part 1 tail end.
Bearing part 1 is equipped with bearing gland 11, dustproof dish 10, disc 12.Bearing part axially uses labyrinth seal, on the bearing gland 11 maze trough is arranged, and has spill port, and the lubricant oil of being convenient to reduce pressure step by step is back in maze trough in the bearing support, guarantees sealing effect.Disc is equipped with in bearing support inside, guarantees the lubricated of bearing.
As shown in Figure 2, in order to guarantee the efficient operation of pump, with regard to the necessary gap of in time regulating the impeller and the pump housing, the gap of this pump impeller and apron plate should be between 0.5～1mm, and regulating the gap is to move by adjusting bolt adjusting rotor axial to realize.Unclamp the bolt of compression axis bearing assembly, unclamp and regulate bolt and nut 13, press the moving rotor of sense of rotation dish of pump simultaneously, till impeller and apron plate friction; Tightening the nut of regulating on the bolt, make and regulate till the bolt contact bearing body, twist bolt 13, is 1.25mm according to pitch, and rotation 144 degree both can.Tighten the bolt of compression axis bearing assembly; After the adjustment, before starting once more, must check whether wheel rotation is normal, whether the bearing unit hold-down bolt is tightened with the adjustment bolt, and then primer pump.
Referring to Fig. 3, embodiment of the present utility model uses motor and pump direct connection, is arranged on the same base.
Assembly process of the present utility model is as follows:
1, suspension part
1) bearings at both ends all needs hot charging, and bearing hot charging temperature is no more than 120 ℃, guarantees that bearing is seated;
When 2) assembling, earlier drive end bearing inner ring, pump step bearing are contained on the axle; The drive end axle bearing outer-ring is packed in the bearing support; With axle and adorned bearing and packed in the bearing support; Tighten stripped nut; After bearing all assembles, the end cap at dress two ends, the oil-return groove on end cap and the end cap should be towards direction straight down, and fastening end cap and bearing support with bolt;
3) screw on and adjust nut on bolt and the hold-down bolt, but do not tighten, wait whole pump assembled after, when the gap of position between impeller and apron plate of adjusting bearing support reaches the gap that regulation requires, tighten adjustment bolt and hold-down bolt upper cap nut again;
4) charge of oil timestamp should be coated sealer earlier;
When 5) assembling and dismantling, stop to carry out the cruelty operation, in case collide with finished surface or damage bearing.
2, pump head part
1) axle sleeve is enclosed within on the axle, then mechanical seal is enclosed within on the axle sleeve;
2) water-cooled chamber lid is contained on the pump cover, then pump cover is assemblied on the bearing bearing part, tight a bolt;
3) the mechanical seal bolt is twisted;
4) mat of pad Upper shaft sleeve end is loaded onto impeller and is tightened, and coats thread locking glue;
5) armored pump body;
6) load onto the pump support;
7) regulate impeller and apron plate gap and be about 0.5-1mm.
Claims (2)
1, a kind of coal system oil coal slurry recycle pump, comprise the pump housing, motor, impeller, pump cover, axle sleeve, bearing part and axle, pump cover is equipped with mechanical seal with the joint of axle, it is characterized in that: described bearing part adopts labyrinth seal, bearing part comprises bearing support, gland, bearing housing and the adjusting bolt of realizing axial adjustment, impeller adopts unshrouded impeller, and the unit loading type double mechanical seal is adopted in mechanical seal, and bearing support is that adjustable axle holds body structure to the distance profile shaft.
2, a kind of coal system oil as claimed in claim 1 is used the coal slurry recycle pump, it is characterized in that: adopt the paired mounting angular contact ball bearing near the motor side bearing, adopt roller bearing near the impeller end bearing; Bearing adopts thin oil bath lubrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200756654U CN201173193Y (en) | 2007-10-23 | 2007-10-23 | Coal slurry recycle pump for coal oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200756654U CN201173193Y (en) | 2007-10-23 | 2007-10-23 | Coal slurry recycle pump for coal oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173193Y true CN201173193Y (en) | 2008-12-31 |
Family
ID=40200312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200756654U Expired - Fee Related CN201173193Y (en) | 2007-10-23 | 2007-10-23 | Coal slurry recycle pump for coal oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201173193Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022339A (en) * | 2009-09-23 | 2011-04-20 | 上海阿波罗机械股份有限公司 | Component cooling water pump for nuclear power plant |
| CN102943755A (en) * | 2012-11-13 | 2013-02-27 | 宁波得利时泵业有限公司 | Rotor pump |
| CN103953552A (en) * | 2014-04-18 | 2014-07-30 | 陕西科技大学 | Anion exchanger water feed pump |
| CN115822983A (en) * | 2022-12-30 | 2023-03-21 | 无锡斯普流体设备有限公司 | Anti-leakage chemical pump |
-
2007
- 2007-10-23 CN CNU2007200756654U patent/CN201173193Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022339A (en) * | 2009-09-23 | 2011-04-20 | 上海阿波罗机械股份有限公司 | Component cooling water pump for nuclear power plant |
| CN102943755A (en) * | 2012-11-13 | 2013-02-27 | 宁波得利时泵业有限公司 | Rotor pump |
| CN102943755B (en) * | 2012-11-13 | 2016-03-02 | 宁波得利时泵业有限公司 | Rotor pump |
| CN103953552A (en) * | 2014-04-18 | 2014-07-30 | 陕西科技大学 | Anion exchanger water feed pump |
| CN115822983A (en) * | 2022-12-30 | 2023-03-21 | 无锡斯普流体设备有限公司 | Anti-leakage chemical pump |
| CN115822983B (en) * | 2022-12-30 | 2023-08-22 | 无锡斯普流体设备有限公司 | Leakage-proof chemical pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20101023 |