CN108757503A - A kind of oxygen-eliminating device feed pump - Google Patents
A kind of oxygen-eliminating device feed pump Download PDFInfo
- Publication number
- CN108757503A CN108757503A CN201810506406.5A CN201810506406A CN108757503A CN 108757503 A CN108757503 A CN 108757503A CN 201810506406 A CN201810506406 A CN 201810506406A CN 108757503 A CN108757503 A CN 108757503A
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- CN
- China
- Prior art keywords
- bearing
- case
- main shaft
- pump case
- pump
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of oxygen-eliminating device feed pumps, including pump case, pump case is respectively arranged with entrance and exit, drain valve is provided on pump case, pump case is connected separately with positioned at its both sides and first bearing bottom portion and second bearing bottom portion, main shaft is provided in pump case, main shaft key is connected with impeller, impeller is located in pump case, first bearing case is stretched into main shaft one end across pump case, the main shaft other end passes through pump case and second bearing case to be provided with pump end shaft coupling, and pump end shaft coupling is connected with motor coupler by pin, sealing element is provided between main shaft and pump case.The configuration of the present invention is simple, it is easy to use；It is easy to operation, it is easy to maintain；The pressure in pump case of the present invention can be adjusted in real time by adjusting drain valve, security performance is high；Oxygen corrosion can effectively be reduced；Efficiency of feed water is high, has good practicability.
Description
Technical field
The invention belongs to water work technical fields, are related to a kind of oxygen-eliminating device feed pump.
Background technology
In chemical production field, the most common Deoxidization method of Industrial Boiler has thermal de-aeration, parsing deoxygenation, vacuum to remove at present
Oxygen, redoxite deoxygenation, in stove plus the several methods such as Na2SO3 deoxygenations, iron sponge powder filtering deoxygenation, the above deoxidation method,
With on Industrial Boiler, there are many not perfect places, especially there is the field of particular/special requirement, deaerator feed water pump to anaerobic water body
Commonly used, the main function of oxygen-eliminating device is the oxygen removed in water supply, ensures the quality of water supply.Oxygen has been dissolved in water,
It will make the metal erosion contacted with water；If there is air accumulation that will interfere the progress of diabatic process in a heat exchanger, reduce
The heat-transfer effect of equipment.Therefore all it is unfavorable, especially oxygen dissolved with any gas in water, it will direct threat equipment
Safe operation.Deaerator feed water pump itself is that water quality is qualified everywhere for hydrophobic, chemical moisturizing in water supply heat back system and full factory again
Hydrophobic, exhaust etc. can be passed through oxygen-eliminating device and summarize and be used, reduce the loss of steam and water in power plant.Currently, existing remove
Oxygen device feed pump is washed away due to flow, causes cavitation, abrasion, corrosion and chemical etching and volumetric loss and mechanical loss
The problems such as so that the working efficiency of water pump is lower and lower.
Invention content
The object of the present invention is to provide a kind of oxygen-eliminating device feed pumps, can adjust pressure in pump case in real time.
The technical solution adopted in the present invention is a kind of oxygen-eliminating device feed pump, including pump case, pump case be respectively arranged with into
Mouthful and outlet, be provided with drain valve on pump case, pump case is connected separately with positioned at its both sides and first bearing bottom portion and second
Bearing housing bottom is provided with main shaft in pump case, and main shaft key is connected with impeller, and impeller is located in pump case, and main shaft one end passes through pump case
First bearing case is stretched into, the main shaft other end passes through pump case and second bearing case to be provided with pump end shaft coupling, and pump end shaft coupling passes through
Pin is connected with motor coupler, and sealing element is provided between main shaft and pump case.
The features of the present invention also characterized in that
Shell wear ring is provided between pump housing endophragm and impeller.
Multiple through-holes are provided on pump case, one of through hole is provided with air valve, other through holes are both provided with first
Screw plug.
First bearing lid, first bearing case and first bearing lid has been bolted close to pump case side in first bearing case
Between be provided with washer, first bearing lid is passed through by main shaft, and the first oil sealing, first axle are provided between first bearing lid and main shaft
It holding lid and pump case side is provided with the first drip ring, the first drip ring is linked on main shaft, and first bearing is provided on main shaft,
First bearing is located in first bearing case, and first bearing both ends are respectively arranged with bearing nut and the first distance collar, bearing nut
It is linked on main shaft with the first distance collar, washer is provided between bearing nut and first bearing, is arranged in first bearing case
There is the first tubulose vernier, there are two through-holes for setting on first bearing case, and two through holes are respectively arranged with the second screw plug and first
Ventilated cap.
Second bearing lid, second bearing lid and first bearing case has been bolted close to pump case side in second bearing case
Between be provided with washer, second bearing lid is passed through by main shaft, and second bearing lid is provided with the second drip ring close to pump case side,
Two drip rings are linked on main shaft, and second bearing is provided on main shaft, and second bearing is located in second bearing case, second bearing one
End fitting is provided with the second distance collar, and the second tubulose vernier is provided in second bearing case, through-hole is provided on first bearing case,
Through hole is provided with the second Ventilated cap.
Sealing element includes the axle sleeve being arranged in impeller side, and axle sleeve is linked on main shaft, is provided between axle sleeve and impeller
Washer, direction of the axle sleeve upper edge far from impeller are disposed with restrictor ring, filler and gland, and restrictor ring passes through pin and pump case
Connection, gland are connect by bolt with pump case.
There are two sealing element is arranged altogether, and two sealing elements are symmetricly set on impeller both sides.
The invention has the advantages that a kind of oxygen-eliminating device feed pump of the present invention is simple in structure, it is easy to use；Convenient for behaviour
Make, it is easy to maintain；The pressure in pump case of the present invention can be adjusted in real time by adjusting drain valve, security performance is high；It can be effective
Reduce oxygen corrosion；Efficiency of feed water is high, has good practicability.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of oxygen-eliminating device feed pump of the present invention；
Fig. 2 is the structural schematic diagram of pump case in a kind of oxygen-eliminating device feed pump of the present invention.
In figure, 1. pump cases, 2. entrances, 3. outlets, 4. drain valves, 5. first bearing casees, 6. second bearing casees, 7. main shafts,
8. impeller, 9. pump end shaft couplings, 10. motor couplers, 11. shell wear rings, 12. air valves, 13. first screw plugs, 14. first axles
Hold lid, 15. first oil sealings, 16. first drip rings, 17. first bearings, 18. bearing nuts, 19. first distance collars, 20. first
Tubulose vernier, 21. second screw plugs, 22. first Ventilated caps, 23. second bearing lids, 24. second drip rings, 25. second bearings,
26. the second distance collar, 27. second tubulose verniers, 28. second Ventilated caps, 29. axle sleeves, 30. restrictor rings, 31. fillers, 32. fillers
Gland.
Specific implementation mode
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of oxygen-eliminating device feed pump of the present invention, as shown in Figure 1, including pump case 1, as shown in Fig. 2, pump case 1 is respectively set
There are entrance 2 and outlet 3, drain valve 4 is provided on pump case 1, multiple through-holes, one of through hole setting are provided on pump case 1
There is air valve 12, other through holes are both provided with the first screw plug 13, and pump case 1 is connected separately with positioned at its both sides and first bearing case
6 bottom of 5 bottoms and second bearing case, main shaft 7 is provided in pump case 1, and the key connection of main shaft 7 has impeller 8, impeller 8 to be located at pump case 1
In, shell wear ring 11 is provided between 1 inner wall of pump case and impeller 8, first bearing case 5 is stretched into 7 one end of main shaft across pump case 1,
7 other end of main shaft passes through pump case 1 and second bearing case 6 to be provided with pump end shaft coupling 9, and pump end shaft coupling 9 is connected with by pin
Motor coupler 10 is provided with sealing element between main shaft 7 and pump case 1.
First bearing lid 14, first bearing case 5 and first has been bolted close to 1 side of pump case in first bearing case 5
Washer is provided between bearing cap 14, first bearing lid 14 is passed through by main shaft 7, is provided between first bearing lid 14 and main shaft 7
First oil sealing 15, first bearing lid 14 are provided with the first drip ring 16 close to 1 side of pump case, and the first drip ring 16 is linked in main shaft
On 7, first bearing 17 is provided on main shaft 7, first bearing 17 is located in first bearing case 5, and 17 both ends of first bearing are set respectively
It is equipped with bearing nut 18 and the first distance collar 19, bearing nut 18 and the first distance collar 19 are linked on main shaft 7, bearing nut
It is provided with washer between 18 and first bearing 17, is provided with the first tubulose vernier 20 in first bearing case 17, on first bearing case 5
There are two through-holes for setting, and two through holes are respectively arranged with the second screw plug 21 and the first Ventilated cap 22.
Second bearing lid 23, second bearing lid 23 and first has been bolted close to 1 side of pump case in second bearing case 6
Washer is provided between bearing housing 6, second bearing lid 23 is passed through by main shaft 7, and second bearing lid 23 is provided with close to 1 side of pump case
Second drip ring 24, the second drip ring 24 are linked on main shaft 7, and second bearing 25 is provided on main shaft 7, and second bearing 25 is located at
In second bearing case 6, the fitting of 25 one end of second bearing is provided with the second distance collar 26, and the second pipe is provided in second bearing case 6
Shape vernier 27 is provided with through-hole on first bearing case 6, and through hole is provided with the second Ventilated cap 28.
There are two sealing element is arranged altogether, and two sealing elements are symmetricly set on 8 both sides of impeller, and sealing element includes being arranged in leaf
The axle sleeve 29 of 8 sides is taken turns, axle sleeve 29 is linked on main shaft 7, and washer is provided between axle sleeve 29 and impeller 8, and 29 upper edge of axle sleeve is remote
Direction from impeller 8 is disposed with restrictor ring 30, filler 31 and gland 32, and restrictor ring 30 is connect by pin with pump case 1,
Gland 32 is connect by bolt with pump case 1.
The effect of critical piece is specific as follows in a kind of oxygen-eliminating device feed pump of the present invention：
Drain valve 4 mitigates the pressure in pump case 1, protects entire pipeline in meeting Auto-drainage when hydraulic pressure is excessive
Safety；
Air valve 12 is used to adjust the air inflow of pump case, make most steam will not condense and and the gas that enters together by
It excludes outside pump case.
A kind of course of work of oxygen-eliminating device feed pump of the present invention is specific as follows：
In the suction chamber that liquid is first filled to pump case 1, then liquid enters impeller 8 by the entrance 2 of pump case 1, starts electricity
After machine, motor is rotated by the impeller blade of 7 impeller 8 of main shaft, the liquid in impeller 8 with impeller blade together high speed rotation,
Liquid in impeller 8 is thrown out of due to subject to centrifugal forces and by the runner between impeller blade, and liquid is collected through pump case 1
Afterwards discharge pipe is sent into from outlet 3.
When work, liquid obtains energy from impeller 8 so that the pressure energy and kinetic energy of liquid all increase, and rely on
Liquid is transported to the position of work by this energy, when liquid is thrown toward the outlet 3 of pump case 1, is formd at 8 center of impeller low
Pressure then just produces pressure difference between 8 center of position, that is, imbibition tank and impeller for absorbing liquid, and the liquid in imbibition tank exists
Under the action of this pressure difference, enter through suction line in the chamber of impeller 8, the entrance 2 of liquid elder generation pump case 1 enters in impeller 8, so
It is subject to centrifugal forces in high-speed rotating impeller blade afterwards, it is thrown toward outlet 3 from impeller blade runner, liquid is last to be sent again
Enter discharge pipe discharge.So cycle, is formed the process of continuous conveying liquid.
By the above-mentioned means, a kind of oxygen-eliminating device feed pump of the present invention is simple in structure, it is easy to use；It is easy to operation, it is easy to
It safeguards；The pressure in pump case of the present invention can be adjusted in real time by adjusting drain valve, security performance is high；Oxygen corruption can effectively be reduced
Erosion；Efficiency of feed water is high, has good practicability.
Claims (7)
1. a kind of oxygen-eliminating device feed pump, which is characterized in that including pump case (1), the pump case (1) is respectively arranged with entrance (2)
With outlet (3), drain valve (4) is provided on the pump case (1), the pump case (1) is connected separately with positioned at its both sides and
One bearing housing (5) bottom and second bearing case (6) bottom, main shaft (7) is provided in the pump case (1), and main shaft (7) key connects
It is connected to impeller (8), the impeller (8) is located in pump case (1), and first bearing case is stretched into described main shaft (7) one end across pump case (1)
(5), main shaft (7) other end passes through pump case (1) and second bearing case (6) to be provided with pump end shaft coupling (9), the pump end connection
Axis device (9) is connected with motor coupler (10) by pin, and sealing element is provided between the main shaft (7) and pump case (1).
2. a kind of oxygen-eliminating device feed pump according to claim 1, which is characterized in that pump case (1) inner wall and impeller
(8) shell wear ring (11) is provided between.
3. a kind of oxygen-eliminating device feed pump according to claim 1, which is characterized in that be provided on the pump case (1) more
A through-hole, one of through hole are provided with air valve (12), other described through holes are both provided with the first screw plug (13).
4. a kind of oxygen-eliminating device feed pump according to claim 1, which is characterized in that the first bearing case (5) is close
First bearing lid (14) has been bolted in pump case (1) side, between the first bearing case (5) and first bearing lid (14)
It is provided with washer, the first bearing lid (14) is passed through by main shaft (7), is set between the first bearing lid (14) and main shaft (7)
It is equipped with the first oil sealing (15), the first bearing lid (14) is provided with the first drip ring (16) close to pump case (1) side, and described the
One drip ring (16) is linked on main shaft (7), and first bearing (17), the first bearing (17) are provided on the main shaft (7)
In first bearing case (5), first bearing (17) both ends are respectively arranged with bearing nut (18) and the first distance collar
(19), the bearing nut (18) and the first distance collar (19) are linked on main shaft (7), the bearing nut (18) and first
It is provided with washer between bearing (17), the first tubulose vernier (20), the first axle are provided in the first bearing case (17)
Holding setting on case (5), there are two through-holes, and described two through holes are respectively arranged with the second screw plug (21) and the first Ventilated cap (22).
5. a kind of oxygen-eliminating device feed pump according to claim 1, which is characterized in that the second bearing case (6) is close
Second bearing lid (23) has been bolted in pump case (1) side, between the second bearing lid (23) and first bearing case (6)
It is provided with washer, the second bearing lid (23) is passed through by main shaft (7), and the second bearing lid (23) is close to pump case (1) side
It is provided with the second drip ring (24), second drip ring (24) is linked on main shaft (7), and is provided on the main shaft (7)
Two bearings (25), the second bearing (25) are located in second bearing case (6), and second bearing (25) one end fitting is provided with
Second distance collar (26), is provided with the second tubulose vernier (27) in the second bearing case (6), on the first bearing case (6)
It is provided with through-hole, the through hole is provided with the second Ventilated cap (28).
6. a kind of oxygen-eliminating device feed pump according to claim 1, which is characterized in that the sealing element includes being arranged in leaf
The axle sleeve (29) of (8) side is taken turns, the axle sleeve (29) is linked on main shaft (7), is arranged between the axle sleeve (29) and impeller (8)
There are washer, the direction of axle sleeve (29) upper edge far from impeller (8) to be disposed with restrictor ring (30), filler (31) and filler pressure
It covers (32), the restrictor ring (30) is connect by pin with pump case (1), and the gland (32) is connected by bolt and pump case (1)
It connects.
7. a kind of oxygen-eliminating device feed pump according to claim 1 or 6, which is characterized in that the sealing element is provided with altogether
Two, and described two sealing elements are symmetricly set on impeller (8) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506406.5A CN108757503A (en) | 2018-05-24 | 2018-05-24 | A kind of oxygen-eliminating device feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506406.5A CN108757503A (en) | 2018-05-24 | 2018-05-24 | A kind of oxygen-eliminating device feed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108757503A true CN108757503A (en) | 2018-11-06 |
Family
ID=64005161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810506406.5A Pending CN108757503A (en) | 2018-05-24 | 2018-05-24 | A kind of oxygen-eliminating device feed pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757503A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201078333Y (en) * | 2007-04-18 | 2008-06-25 | 赣州水泵制造有限公司 | Single stage double inlet centrifugal pump |
| CN202418011U (en) * | 2011-12-22 | 2012-09-05 | 四川三台力达泵业有限公司 | Axially split pump for general-purpose pump shaft |
| CN205243860U (en) * | 2015-12-14 | 2016-05-18 | 兰州理工大学 | Double suction helico centrifugal pump |
| CN107100856A (en) * | 2017-06-08 | 2017-08-29 | 江苏河海给排水成套设备有限公司 | A kind of heavy duty detergent high suction depth formula dry type double entry pump |
| CN207261261U (en) * | 2017-08-14 | 2018-04-20 | 瑞安市博纳汽车部件有限公司 | A kind of conduction type centrifugal pump |
-
2018
- 2018-05-24 CN CN201810506406.5A patent/CN108757503A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201078333Y (en) * | 2007-04-18 | 2008-06-25 | 赣州水泵制造有限公司 | Single stage double inlet centrifugal pump |
| CN202418011U (en) * | 2011-12-22 | 2012-09-05 | 四川三台力达泵业有限公司 | Axially split pump for general-purpose pump shaft |
| CN205243860U (en) * | 2015-12-14 | 2016-05-18 | 兰州理工大学 | Double suction helico centrifugal pump |
| CN107100856A (en) * | 2017-06-08 | 2017-08-29 | 江苏河海给排水成套设备有限公司 | A kind of heavy duty detergent high suction depth formula dry type double entry pump |
| CN207261261U (en) * | 2017-08-14 | 2018-04-20 | 瑞安市博纳汽车部件有限公司 | A kind of conduction type centrifugal pump |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
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| RJ01 | Rejection of invention patent application after publication |