CN209067496U - High-efficiency energy-saving heat water-circulating pump - Google Patents
High-efficiency energy-saving heat water-circulating pump Download PDFInfo
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- CN209067496U CN209067496U CN201821964759.1U CN201821964759U CN209067496U CN 209067496 U CN209067496 U CN 209067496U CN 201821964759 U CN201821964759 U CN 201821964759U CN 209067496 U CN209067496 U CN 209067496U
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- pump
- pump case
- bearing cap
- bolt
- saving heat
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Abstract
The utility model discloses high-efficiency energy-saving heat water-circulating pumps, including pedestal, pump case bracket has been bolted in top one end of the pedestal, and the top of pump case bracket is integrally formed and is cast with pump case, one end of the pump case is integrally formed and is cast with feed pipe, and the top of pump case is integrally formed and is cast with outlet pipe, the other end of the pump case is provided with pump cover, and the other end of pump cover is provided with bearing cap, seal chamber is provided between pump cover and bearing cap, one middle side part of the pump cover is embedded with interior mechanical sealing member by bolt, one middle side part of the bearing cap is embedded with outer mechanical sealing member by bolt.In the utility model, during operation, staff adjusts the pressure between seal chamber and feed pipe by regulating valve, so as to adjust the pressure at both sides of pump turbo blade, reduce the axial tension that pump shaft is subject to, extend the service life of hot water circulating pump, while reducing the power consumption of hot water circulating pump, energy conservation and environmental protection.
Description
Technical field
The utility model relates to hot water circuit pump technical field more particularly to high-efficiency energy-saving heat water-circulating pumps.
Background technique
Pump is the machinery for conveying liquid or being pressurized liquid, it sends the mechanical energy of prime mover or other external energies to
Liquid increases liquid energy, is mainly used to convey liquid, wherein hot water circulating pump is provided for the heat carrier of recycling
The mechanical equipment of steady pressure and flow velocity provides power during hot water circuit, can all use in many occasions.
Currently, since centrifugal pump has, compact structure, wide scope flow and range of lift are wide, equipment installation, safeguard inspection
The advantages that expense is lower is repaired, is that hot water circulating pump one of commonly selects, hot water circulating pump pumps consumption in its use process
Electric energy value is considerably beyond the purchase cost of itself and maintenance cost, in centrifugal pump rotation, because of outlet pressure
Consistently greater than inlet pressure causes impeller pressure at both sides different, so generating axial thrust, the axial force of axis is caused to aggravate axis
Workload causes power consumption to increase, meanwhile, so that hot water circulating pump is unstable in the process of running, reduces hot water and follow
The transfer efficiency of ring pump.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the Hing-effect energy-saving water-heating proposed follows
Ring pump.
To achieve the goals above, the utility model adopts the technical scheme that
Pump case bracket has been bolted in top one end of high-efficiency energy-saving heat water-circulating pump, including pedestal, the pedestal,
And the top of pump case bracket is integrally formed and is cast with pump case, one end of the pump case, which is integrally formed, is cast with feed pipe, and pump case
Top be integrally formed be cast with outlet pipe, the other end of the pump case is provided with pump cover, and the other end of pump cover is provided with axis
Lid is held, seal chamber is provided between pump cover and bearing cap, a middle side part of the pump cover is embedded with interior mechanical seal by bolt
One middle side part of part, the bearing cap is embedded with outer mechanical sealing member, and outer mechanical sealing member and interior mechanical seal by bolt
The same pump shaft is plugged between part, the pump cover offers two round chutes, and two circles close to a side surface of pump case
The side inner wall of shape chute offers pressure balance through-hole, and the two sides of the feed pipe offer that be welded with first pressure flat
Weighing apparatus pipe, and regulating valve has been bolted in the other end of two first pressure balance pipes.
Preferably, one end of the pump shaft extends to the inside of pump case, and pump whirlpool has been bolted in one end of pump shaft
Shaft coupling has been bolted in the other end of impeller blade, pump shaft.
Preferably, driving motor, and the output shaft of driving motor has been bolted in the top other end of the pedestal
One end is sequentially connected by bolt and shaft coupling.
Preferably, second pressure balance pipe, and two second are welded at the top and bottom of the other end of the bearing cap
The other end of pressure-equalizing pipe passes through bolt respectively and is connected to two regulating valves.
Preferably, the junction of the pump cover and bearing cap offers the circular through hole of annular array distribution, and round
The inside of through-hole is plugged with fastening bolt, and pump cover and bearing cap are bonded by fastening bolt and pump case.
Preferably, the top of the first pressure balance pipe and second pressure balance pipe is threaded with pressure gauge, and
Pressure gauge is close to regulating valve.
Preferably, terminal box has been bolted at the top of the driving motor.
The utility model has the following beneficial effects:
1, the utility model proposes hot water circulating pump, during hot water circuit pump operation, pump turbo blade deviate from
The side hot water of feed pipe can round chute internal flow on pump cover, pass through the pressure balance through-hole inside round chute
The inside for entering seal chamber, during operation, staff adjusts the pressure between seal chamber and feed pipe by regulating valve
Power reduces the axial tension that pump shaft is subject to so as to adjust the pressure at both sides of pump turbo blade, and extend hot water circulating pump uses the longevity
Life, while reducing the power consumption of hot water circulating pump, energy conservation and environmental protection.
2, the utility model proposes hot water circulating pump pass through regulating valve and pressure gauge during pump operation and adjust
Pressure between first pressure balance pipe and second pressure balance pipe, so that the pressure at both sides of pump turbo blade is maintained at suitable
Pressure differential range enhances the stability of pump shaft and rotor in rotation, meanwhile, the pressure difference inside and outside interior mechanical sealing member can be reduced,
The pressure that outer mechanical sealing member is born is reduced, the smoothness of pump shaft operation, the further conveying for improving hot water circulating pump are improved
Efficiency.
3, the utility model proposes hot water circulating pump, hot water, can be by hot water circulating pump in the internal flow of seal chamber
The frictional heat that internal outer mechanical sealing member and interior mechanical sealing member generate is taken away, and avoids outer mechanical sealing member and interior machinery close
Sealing overheat is damaged, and extends the service life of outer mechanical sealing member and interior mechanical sealing member, reduces the dimension of hot water circulating pump
Protect frequency, save the cost.
Detailed description of the invention
Fig. 1 be the utility model proposes high-efficiency energy-saving heat water-circulating pump schematic cross-sectional view；
Fig. 2 be the utility model proposes high-efficiency energy-saving heat water-circulating pump side structure schematic view；
Fig. 3 be the utility model proposes high-efficiency energy-saving heat water-circulating pump part A enlarged structure schematic diagram.
In figure: 1 pedestal, 2 driving motors, 3 shaft couplings, 4 outer mechanical sealing members, 5 bearing caps, 6 pressure gauges, 7 pump case brackets,
8 pump cases, 9 pressure balance through-holes, 10 round chutes, 11 first pressure balance pipes, 12 feed pipes, 13 pump turbo blades, 14 pump covers,
15 outlet pipes, mechanical sealing member, 17 pump shafts, 18 second pressure balance pipes, 19 terminal boxes, 20 regulating valves, 21 seal chambers in 16.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, top one end of high-efficiency energy-saving heat water-circulating pump, including pedestal 1, pedestal 1 has been bolted
Pump case bracket 7, and the top of pump case bracket 7 is integrally formed and is cast with pump case 8, one end of pump case 8, which is integrally formed, is cast with charging
Pipe 12, and the top of pump case 8 is integrally formed and is cast with outlet pipe 15, the other end of pump case 8 are provided with pump cover 14, and pump cover 14
The other end is provided with bearing cap 5, and seal chamber 21 is provided between pump cover 14 and bearing cap 5, and a middle side part of pump cover 14 passes through spiral shell
Bolt is embedded with interior mechanical sealing member 16, and a middle side part of bearing cap 5 is embedded with outer mechanical sealing member 4 by bolt, and outer mechanical
The same pump shaft 17 is plugged between sealing element 4 and interior mechanical sealing member 16, pump cover 14 is offered close to a side surface of pump case 8
Two round chutes 10 being arranged concentrically, and the side inner wall of two round chutes 10 offers three to six annular permutations point
The other end of the pressure balance through-hole 9 of cloth, pressure balance through-hole 9 is connected to seal chamber 21, and the two sides of feed pipe 12 offer
It is welded with first pressure balance pipe 11, and regulating valve has been bolted in the other end of two first pressure balance pipes 11
20。
In the utility model, one end of pump shaft 17 extends to the inside of pump case 8, and one end of pump shaft 17 is bolted
There is pump turbo blade 13, shaft coupling 3 has been bolted in the other end of pump shaft 17, and the top other end of pedestal 1 passes through bolt
Be connected with driving motor 2, and output shaft one end of driving motor 2 is sequentially connected by bolt and shaft coupling 3, bearing cap 5 it is another
It is welded with second pressure balance pipe 18 at the top and bottom of one end, and the other end of two second pressure balance pipes 18 passes through respectively
Bolt is connected to two regulating valves 20, and the junction of pump cover 14 and bearing cap 5 offers the circular through hole of annular array distribution,
And the inside of circular through hole is plugged with fastening bolt, pump cover 14 and bearing cap 5 and is bonded by fastening bolt with pump case 8, the
The top of one pressure-equalizing pipe 11 and second pressure balance pipe 18 is threaded with pressure gauge 6, and pressure gauge 6 is close to regulating valve
20, terminal box 19 has been bolted in the top of driving motor 2.
Working principle: during hot water circuit pump operation, pump turbo blade 13 deviates from the side hot water of feed pipe 12
It can be entered by the pressure balance through-hole 9 inside round chute 10 close in 10 internal flow of round chute on pump cover 14
The inside for sealing chamber 21, during operation, staff adjusts the pressure between seal chamber 21 and feed pipe 12 by regulating valve 20
Power reduces the axial tension that pump shaft 17 is subject to, extends making for hot water circulating pump so as to adjust the pressure at both sides of pump turbo blade 13
With the service life, while the power consumption of hot water circulating pump is reduced, during pump operation, passes through regulating valve 20 and pressure gauge 6 is adjusted
The pressure between first pressure balance pipe 11 and second pressure balance pipe 18 is saved, so that the pressure at both sides of pump turbo blade 13 is kept
In suitable pressure differential range, enhance the stability of pump shaft 17 and rotor in rotation, meanwhile, interior mechanical sealing member 16 can be reduced
Inside and outside pressure difference reduces the pressure that outer mechanical sealing member 4 is born, and improves the smoothness that pump shaft 17 is run, further to improve heat
The transfer efficiency of water-circulating pump, hot water, can be by the outer mechanical seals inside hot water circulating pump in the internal flow of seal chamber 21
The frictional heat that part 4 and interior mechanical sealing member 16 generate is taken away, avoid outer mechanical sealing member 4 and interior mechanical sealing member 16 overheat by
To damage, extends the service life of outer mechanical sealing member 4 and interior mechanical sealing member 16, reduces the frequency of maintenance of hot water circulating pump,
Save the cost.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. high-efficiency energy-saving heat water-circulating pump, including pedestal (1), which is characterized in that top one end of the pedestal (1) passes through bolt
It is connected with pump case bracket (7), and the top of pump case bracket (7) is integrally formed and is cast with pump case (8), one end of the pump case (8)
Integrated molding is cast with feed pipe (12), and the top of pump case (8) is integrally formed and is cast with outlet pipe (15), the pump case (8)
The other end be provided with pump cover (14), and the other end of pump cover (14) is provided with bearing cap (5), pump cover (14) and bearing cap (5)
Between be provided with seal chamber (21), a middle side part of the pump cover (14) is embedded with interior mechanical sealing member (16) by bolt, institute
The middle side part for stating bearing cap (5) is embedded with outer mechanical sealing member (4) by bolt, and outer mechanical sealing member (4) and interior machinery
It is plugged between sealing element (16) the same pump shaft (17), the pump cover (14) offers two close to a side surface of pump case (8)
A circle chute (10), and the side inner wall of two round chutes (10) offers pressure balance through-hole (9), the feed pipe
(12) two sides, which offer, to be welded with first pressure balance pipe (11), and the other end of two first pressure balance pipes (11) is equal
Regulating valve (20) have been bolted.
2. high-efficiency energy-saving heat water-circulating pump according to claim 1, which is characterized in that one end of the pump shaft (17) extends
It has been bolted pump turbo blade (13) to one end of the inside of pump case (8), and pump shaft (17), the other end of pump shaft (17)
Shaft coupling (3) have been bolted.
3. high-efficiency energy-saving heat water-circulating pump according to claim 2, which is characterized in that the top of the pedestal (1) is another
End has been bolted driving motor (2), and output shaft one end of driving motor (2) is driven by bolt and shaft coupling (3)
Connection.
4. high-efficiency energy-saving heat water-circulating pump according to claim 3, which is characterized in that the other end of the bearing cap (5)
Top and bottom are welded with second pressure balance pipe (18), and the other end of two second pressure balance pipes (18) passes through respectively
Bolt is connected to two regulating valves (20).
5. high-efficiency energy-saving heat water-circulating pump according to claim 4, which is characterized in that the pump cover (14) and bearing cap
(5) junction offers the circular through hole of annular array distribution, and the inside of circular through hole is plugged with fastening bolt, pump cover
(14) it is bonded by fastening bolt with pump case (8) with bearing cap (5).
6. high-efficiency energy-saving heat water-circulating pump according to claim 5, which is characterized in that the first pressure balance pipe (11)
It is threaded with pressure gauge (6) with the top of second pressure balance pipe (18), and pressure gauge (6) is close to regulating valve (20).
7. high-efficiency energy-saving heat water-circulating pump according to claim 6, which is characterized in that the top of the driving motor (2)
Terminal box (19) have been bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821964759.1U CN209067496U (en) | 2018-11-27 | 2018-11-27 | High-efficiency energy-saving heat water-circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821964759.1U CN209067496U (en) | 2018-11-27 | 2018-11-27 | High-efficiency energy-saving heat water-circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209067496U true CN209067496U (en) | 2019-07-05 |
Family
ID=67100458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821964759.1U Active CN209067496U (en) | 2018-11-27 | 2018-11-27 | High-efficiency energy-saving heat water-circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209067496U (en) |
-
2018
- 2018-11-27 CN CN201821964759.1U patent/CN209067496U/en active Active
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