CN105041674A - Energy-saving boiler, energy-saving water tank and centrifugal axial flow pump thereof - Google Patents
Energy-saving boiler, energy-saving water tank and centrifugal axial flow pump thereof Download PDFInfo
- Publication number
- CN105041674A CN105041674A CN201510508211.0A CN201510508211A CN105041674A CN 105041674 A CN105041674 A CN 105041674A CN 201510508211 A CN201510508211 A CN 201510508211A CN 105041674 A CN105041674 A CN 105041674A
- Authority
- CN
- China
- Prior art keywords
- connection part
- centrifugal
- axial flow
- flow pump
- water
- 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.)
- Granted
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an energy-saving boiler, an energy-saving water tank and a centrifugal axial flow pump thereof, the centrifugal axial flow pump comprises a water inlet, a water outlet, an impeller, a motor, a connection shaft and a flow guide device; the water inlet and water outlet are used for water to flow in and out of the centrifugal axial flow pump; the impeller is arranged at the downstream of the water inlet and axially drives the water in the centrifugal axial flow pump; the impeller comprises a blade and a baffle fixedly connected with the blade; the motor provides power for rotation of the impeller; the connection shaft is connected with the motor and the impeller; and the flow guide device is arranged at the downstream of the impeller and used for guiding the water to the water outlet, and the baffle is arranged between the blade and the flow guide device. The centrifugal axial flow pump is low in cost, easy to mount and maintain, energy-saving and efficient.
Description
Technical field
The present invention relates to energy-conserving product technical field, especially with a kind of centrifugal-axial flow pump and the energy-saving cistern with this centrifugal-axial flow pump, there is this energy-saving cistern power economized boiler relevant.
Background technique
Boiler is a kind of important lifestyle device, especially in colder area.During the work such as boiler carries out heating, water supply, in order to ensure that higher position place can obtain heating, supply water, need to arrange water tank at a higher position place, such as, energy-saving cistern 7 as shown in Figure 1, it has casing 70, intake pipe 71, outlet pipe 72, open top 74 (can add case lid) and mounting ear 75, wherein, in casing 70, the circulating water body of certain water level can be saved, and open top 74, then use time for safeguarding water tank 7.
The circulation of boiler needs power, traditional circulation uses electric centrifugal pump as power resources, but common electric centrifugal pump has the large shortcoming of noise, and common electric centrifugal pump needs professional workforce and professional tool to carry out installation, maintenance, makes troubles to user.
Therefore the centrifugal-axial flow pump a kind of efficient energy-saving being more provided, being convenient to installation and maintenance is needed.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide the centrifugal-axial flow pump that a kind of cost is low, be easy to installation and maintenance, efficient energy-saving.
Another object of the present invention is to provide a kind of energy-saving cistern with centrifugal-axial flow pump of the present invention.
3rd object of the present invention is to provide a kind of power economized boiler with energy-saving cistern of the present invention.
To achieve these goals, technological scheme of the present invention is as follows:
A kind of centrifugal-axial flow pump, described centrifugal-axial flow pump comprises: water intake and water outlet, flows into and flow out described centrifugal-axial flow pump for water body; Impeller, is arranged at the downstream of described water intake, axially drives the water body in described centrifugal-axial flow pump, the baffle plate that described impeller comprises blade and is fixedly connected with described blade; Motor, for described vane rotary provides power; Coupling shaft, connects described motor and described impeller; And flow guide device, be arranged at described impeller downstream, for described water body is directed to described water outlet, described baffle plate is between described blade and described flow guide device.
Energy-saving cistern of the present invention, has intake pipe and outlet pipe, and be provided with centrifugal-axial flow pump of the present invention in described energy-saving cistern, described water outlet is connected to described outlet pipe.
Power economized boiler of the present invention, has energy-saving cistern of the present invention.
Beneficial effect of the present invention is: centrifugal-axial flow pump of the present invention, and noise is little, and not containing easily damaged parts, avoids regular maintenance, and processing technology is simple, reduces cost.And for the centrifugal-axial flow pump of different capacity, different lift manufacture different size, the demand of different user can be suitable for.Centrifugal-axial flow pump of the present invention, be easy to assembling, installation and maintenance, do not need professional workforce and professional tool, user oneself can operate, and improves convenience of use.Centrifugal-axial flow pump of the present invention, except providing power for the circulating water in energy-saving cistern is descending, also can be used as the power of the water circulation system of whole boiler, adequately and reasonably make use of the energy, improve energy conversion efficiency, energy-conservation and environmental protection.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of energy-saving cistern of prior art.
Fig. 2 is the upper connection part schematic perspective view of the centrifugal-axial flow pump of first embodiment of the invention.
Fig. 3 is the lower connection part schematic perspective view of the centrifugal-axial flow pump of first embodiment of the invention.
Fig. 4 is the axial cross-sectional schematic of the centrifugal-axial flow pump of first embodiment of the invention.
Fig. 5 and Fig. 6 is connection part schematic perspective view under the centrifugal-axial flow pump of first embodiment of the invention.
Fig. 7 and Fig. 8 is impeller and the rotor schematic perspective view of the centrifugal-axial flow pump of first embodiment of the invention.
Fig. 9 is the schematic perspective view of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 10 is the exploded perspective schematic diagram of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 11 is the axial cross-sectional schematic of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 12 is the upper connection part schematic perspective view of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 13 is the schematic perspective view of the guiding subassembly of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 14 is the schematic top plan view of the guiding subassembly of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 15 is another schematic perspective view of the guiding subassembly of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 16 is the elevational schematic view of the guiding subassembly of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 17 is the schematic perspective view of the lower connection part of the centrifugal-axial flow pump of second embodiment of the invention.
Figure 18 is the exploded perspective schematic diagram of the centrifugal-axial flow pump of third embodiment of the invention.
Figure 19 is the schematic diagram of the centrifugal-axial flow pump of fourth embodiment of the invention.
Figure 20 is the exploded perspective schematic diagram of the centrifugal-axial flow pump of fourth embodiment of the invention.
Figure 21 is the schematic front view of the energy-saving cistern of the embodiment of the present invention of the centrifugal-axial flow pump being provided with third embodiment of the invention.
Figure 22 is the schematic top plan view of the energy-saving cistern of the embodiment of the present invention of the centrifugal-axial flow pump being provided with third embodiment of the invention.
Figure 23 is the sectional view of Figure 21.
Embodiment
In order to make technical problem to be solved by this invention, technological scheme and beneficial effect clearly understand, below in conjunction with specific embodiment, the present invention is further elaborated.It should be pointed out that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The centrifugal-axial flow pump of the embodiment of the present invention, energy-saving cistern used in the present invention; The energy-saving cistern of the embodiment of the present invention, has the centrifugal-axial flow pump of the embodiment of the present invention.The power economized boiler of the embodiment of the present invention, has the energy-saving cistern of the embodiment of the present invention.But centrifugal-axial flow pump of the present invention, is not limited to for energy-saving cistern of the present invention, also go for other the occasion needing to provide axial circulation power from top to bottom.
Below the centrifugal-axial flow pump of the present invention three embodiments is introduced respectively.
One, the centrifugal-axial flow pump of the first embodiment
As shown in figs 2-4, the centrifugal-axial flow pump of first embodiment of the invention, comprises connection part 1 and lower connection part 2.Below make introductions all round.
1, upper connection part
Upper connection part 1 comprises housing 10, upper flange 11, stator 12, rotor 13, coupling shaft 14, impeller 15, water intake 16, limited part 17 and wire terminals (the present embodiment accompanying drawing is not shown).
In the present embodiment, stator 12 and rotor 13 form motor, and motor is the power source of the centrifugal-axial flow pump of the embodiment of the present invention.Stator 12 is arranged on the top of the centrifugal-axial flow pump of the present embodiment, and being arranged in housing 10, housing 10 upper end is provided with wire terminals, and wire terminals is for connecting mains supply, think that electric machine with energy is originated, use civil power to save a lot than use battery.Stator 12 and rotor 13 are owing to being be arranged in energy-saving cistern 7, and the highest point of part water intake 16 may exceed the lowest part of stator 12 and rotor 13, and therefore stator 12 and rotor 13 need to carry out water-proofing treating.
In the present embodiment, rotor 13 is arranged in stator 12, and rotor 13 is then be fixedly connected on same coupling shaft 14 with impeller 15, and rotor 13 is fixed on coupling shaft 14 top, and impeller 15 is then fixed on coupling shaft 14 bottom; As shown in Figure 4, in the inside top surface of stator 12, there is groove 120; Stretch out the upper axle head 141 of rotor 13 upper end, can be supported in the bearing or axle sleeve arranged in groove 120, and stretch out in the lower shaft end 142 of impeller 15 lower end, then be supported in the axle sleeve or bearing arranged in the groove of lower connection part 2.But the present invention is not limited to this situation being through to lower shaft end 142 by same coupling shaft 14 from upper axle head 141, also can be connect rotor 13 and impeller 15 by short coupling shaft 14 axle, and the top of the rotor shaft of rotor 13 self is supported on bearing in groove 120 or axle sleeve, and the bottom of the impeller shaft of impeller 15 self is supported on the bearing and axle sleeve that arrange in the corresponding construction of lower connection part.
The centrifugal-axial flow pump of the present embodiment, impeller 15 is placed in connection part 1, the below of water intake 16, simultaneously also in the below of limited part 17, is the position of upper connection part 1 lower end substantially.As shown in Fig. 4, Fig. 7 and Fig. 8, impeller 15 comprises blade 151, baffle plate 152 and attachment post 153.Attachment post 153 axis has through hole, in order to be fixedly connected on coupling shaft 14 by attachment post 153.
The number of blade 151 can be 3-9, is evenly distributed in attachment post 153 circumferentially.Each blade 153 is rectangular plates, axially has certain altitude span at attachment post 153, and at attachment post 153 circumferentially, can not have angular span.The shape of baffle plate 152 can be such as circular, and the radius of circular baffle plate 152 can be more than or equal to the axial length of blade 151.
Water intake 16 is arranged on the sidewall of connection part 1, is arranged on the sidewall of housing 10 specifically; The shape of water intake 16 is such as long strip, and upper and lower two ends are circular arc, and water intake 16 is fillet rectangular holes in other words.As shown in Figure 2 and Figure 4, in the present embodiment, water intake about 16 points is two-layer, and the length of the water intake 16 on upper strata is obviously greater than the length of the water intake 16 of lower floor, and bilevel water intake 16 is staggered in the circumference of housing 10.
As shown in Figure 2 and Figure 4, restrictor 17 is arranged on the inner face of connection part 1, the inner face of housing 10 specifically, restrictor 17 is the fins extended internally, upper connection part 1 be haply one cylindrical, that is it is identical for going up the top-down external diameter of connection part 1, but internal diameter is not like this, upper connection part 1 is less than the internal diameter of other positions of connection part 1 at the internal diameter of restrictor 17 position, especially the internal diameter of limited part less than 17 position, and the 30%-70% of upper connection part 1 maximum inner diameter of connection part 1 on the internal diameter at restrictor 17 place is, preferably 40%, in the present embodiment, in the vertical direction, restrictor 17 is between water intake 16 and impeller 15, such as be arranged on its lowest position near water intake 16.
Upper flange 11 is arranged on the lower end of connection part 1, and as shown in Figures 2 to 6, in the present embodiment, the upper flange 11 of upper connection part 1 is connected with the lower flange 21 of lower connection part 2, so that upper connection part 1 is carried out dismountable connection with lower connection part 2; As shown in Figure 2, upper flange 11 having through hole 112, as shown in Figure 3, lower flange 21 has through hole, by wearing bolt 111 and nut 211 of screwing on, upper connection part 1 being fixed together with lower connection part 2 is dismountable.
The Placement of upper connection part 1 and lower connection part 2 is not limited thereto, and also can arrange outside thread on the joint be connected with lower connection part 2, with the internal screw-thread screw of the upper end of lower connection part 2 in upper connection part 1 lower end.Or the connection of upper connection part 1 and lower connection part 2, also can carry out dismountable connection by other modes such as clampings.
2, lower connection part
Lower connection part 2 is also a columniform shell, and upper and lower opening, is respectively used to into water and water outlet.Also namely descend connection part 2 to have feed-water end and waterexit end, wherein as shown in Figure 3, upper end is feed-water end, and lower end is waterexit end.
Centrifugal-axial flow pump of the present invention, normally setting up and down, also namely water body always flows from top to bottom, and top is upstream, and below is downstream.But the present invention is not limited thereto, also can be horizontally disposed with, be at this moment with the flow direction of water body to distinguish upstream and downstream, and the flow direction of water body in centrifugal-axial flow pump of the present invention is roughly: water intake, restrictor, blade, baffle plate, flow guide device, water outlet.
Impeller 15 is between rotor 13 and feed-water end, and baffle plate 152 is between blade 151 and feed-water end.The wherein dismountable upper flange 21 being connected to connection part 1 of the lower flange 21 of feed-water end, before existing to introduce, repeat no more.Waterexit end then has screw section 22, and screw section 22 is outside threads, can carry out dismountable connection with the internal thread in the outlet pipe 72 of energy-saving cistern 7.
Screw section 22 is arranged on the lower end of lower connection part 2, for being connected with outlet pipe 72 top of energy-saving cistern 7, in such a way, the centrifugal-axial flow pump of the present embodiment is arranged in energy-saving cistern 7, operation easily, do not need professional workforce and professional tool, greatly facilitate the I&M of embodiment of the present invention centrifugal-axial flow pump like this.Screw section 22 also can have certain tapering, and namely screw section 22 upper end diameter is large, and screw section 22 lower end diameter is little.
As shown in Figure 3, Figure 5 and Figure 6, in lower connection part 2, also there is flow guide device 23, flow guide device 23 comprises diversion column 233 and water conservancy diversion flat board 231, wherein the top of diversion column 233 is planar ends 230, top is then conoid end 235, water conservancy diversion flat board 231 is in the circumferentially radial even setting of diversion column 233, such as, be six water conservancy diversion flat boards 231 in the present embodiment, the shape of each water conservancy diversion flat board 231 is identical, the shape of water conservancy diversion flat board 231 is such as rectangle, each water conservancy diversion flat board 231 is roughly 60 degree in the span circumferentially of diversion column 233, each water conservancy diversion flat board 231 is to downward-extension from the planar ends 230 of diversion column 233, but do not extend to diversion column 233 bottom.Planar ends 230 has groove 232, in the present embodiment, groove 232 in order to arrange axle sleeve or bearing, to support the lower shaft end of coupling shaft 14.For the shape of diversion column 233, as shown in Figure 4, the curve cutting described diversion column gained through the plane of diversion column 233 axis is smoothed curve, and this smoothed curve such as can be circular arc.
The centrifugal-axial flow pump of the present embodiment is easy for installation, be pre-installed rotor 13 with the upper connection part 1 of stator 12, impeller 15 is loaded onto in coupling shaft 14 lower end, upper axle head 141 and the lower shaft end 142 of coupling shaft 14 are supported, by flange or buckle etc., upper connection part 1 is connected with lower connection part 2, namely completes the installation of the centrifugal-axial flow pump of the present embodiment.
After the installation of the centrifugal-axial flow pump self of the present embodiment, open the case lid of energy-saving cistern 7, the outside thread of the screw section 22 of lower connection part 2 to be screwed in the internal thread on outlet pipe 72 top and to tighten, connecting the power supply of motor, namely complete the installation of the present embodiment centrifugal-axial flow pump in water tank 7.
The centrifugal-axial flow pump of the present embodiment operationally, circulating water body in energy-saving cistern 7, no longer directly to flow out from outlet pipe 72, but enter upper connection part 2 from water intake 16, drive through the current limliting of restrictor 17, the circumference of impeller 15, connection part 2 under rapid inflow, through the water conservancy diversion of flow guide device 23, then participates in the water cycle process of whole power economized boiler through outlet pipe 72.
In the present embodiment, upper connection part 1 is roughly consistent with the thickness of lower connection part 2, and flow guide device is arranged in lower connection part 2, the centrifugal-axial flow pump of the present embodiment can have larger power, but it is larger that the power of centrifugal-axial flow pump of the present invention can also do, and therefore has following embodiment.
Two, the centrifugal-axial flow pump of the second embodiment
The present embodiment and first embodiment's something in common, repeat no more.The present embodiment and first embodiment's difference are:
As Figure 9-Figure 11, in the present embodiment, not only comprise connection part 1 and lower connection part 2, also comprise the guiding subassembly 3 be between connection part 1 and lower connection part 2.In the present embodiment, flow guide device is no longer arranged in lower connection part, but is arranged in the guiding subassembly 3 formed separately.
What play same function with the lower connection part 2 in the first embodiment is guiding subassembly 3 and lower connection part 2, but both are not one-body molded, but be divided into two-part, by screw rod 213, upper connection part 1, guiding subassembly 3 and lower connection part 2 are fixed together.Upper connection part 1, guiding subassembly 3 and lower connection part 2 have upper through hole 112, screw vent 30 and lower through-hole 210 respectively, screw rod 213 is described upper through hole 112, screw vent 30 and lower through-hole 210 successively, and upper connection part 1, guiding subassembly 3 and lower connection part 2 is fixed together by the nut 114 being arranged at upper connection part 1 side.But the present invention is not as limit, also screw rod 213 can be worn from top to bottom.
For upper connection part 1, comprise housing 10, upper joint 11, stator 12, rotor 13, coupling shaft 14, impeller 15, water intake 16, limited part 17 and wire terminals 18 equally.For upper joint 11 wherein, namely upper through hole 112 is opened in joint 11, the effect of upper joint 11 is similar to the upper flange 11 in the first embodiment, but upper and lower connection part is detachably fixedly connected with for carrying out being connected with the lower flange 21 in lower connection part 2 by upper flange 11 in the first embodiment, and the upper joint 11 in the present embodiment will be then for being detachably fixedly connected with lower connection part 2 three with upper connection part 1, guiding subassembly 3 by wearing screw rod 213.
In the present embodiment, as shown in figure 12, water intake 16 points of upper, middle and lowers three layers, and water intake 16 length of each layer is identical, and the water intake 16 that upper, middle and lower is three layers is alignment in the circumference of housing 10, does not interlock.But the present embodiment also can with the identical form of water intake 16 adopted and in the first embodiment.
In the present embodiment, as shown in Figure 13-Figure 16, guiding subassembly 3 is cylindric, and guiding subassembly 3 comprises diversion column 36, water conservancy diversion dull and stereotyped 32 and joint 31, wherein, circumferentially evenly radial at diversion column 36 of water conservancy diversion flat board 32, in the present embodiment, dull and stereotyped 32 quantity of water conservancy diversion are more, have 12, but the present invention is not as limit, between 4-18.Diversion column 36 has upper planar ends 33 and lower plane end 37, and, the area of upper planar ends 33 is greater than the area of lower plane end 37, the upper planar ends 33 of diversion column 36 has groove 34, axle sleeve or bearing can be set in groove 34 to support the lower shaft end 142 of coupling shaft 14, in the present embodiment, the upper axle head 141 of coupling shaft 14 still can be bearing in the bearing or axle sleeve that arrange in the groove 120 of the top inner face of stator 12.
As shown in Figure 11 and Figure 15, the first half of diversion column 36 is cylindrical sections, and Lower Half is then billiard table section, and the water inlet section area of the feed-water end (upper end) of guiding subassembly 3 can be 2/3 of the water outlet section area of waterexit end (lower end).As shown in figure 11, in the present embodiment, the internal diameter of the waterexit end of lower connection part 2, is less than or equal to the diameter of impeller 15 haply, and the diameter of impeller 15 equals the diameter of baffle plate 153 here.Like this, the centrifugal-axial flow pump of the present embodiment, power can compared with the centrifugal-axial flow pump of the first embodiment do larger.
As shown in figure 17, in the present embodiment, lower connection part 2 comprises lower connection part body 20, lower joint 21 and external thread part 22.Wherein, the external diameter of lower connection part body 20 is consistent with the external diameter of upper connection part 1, guiding subassembly 3, but as shown in figure 11, the internal diameter of lower connection part body 20 then diminishes gradually, consistent and be decreased to the internal diameter of external thread part 22 consistent gradually by the internal diameter of the waterexit end with guiding subassembly 2.Lower joint 21 has lower through-hole 210, and lower joint 21, for coordinating with upper joint 11, screw vent 30, detachably will be fixedly connected with lower connection part 2 three with upper connection part 1, guiding subassembly 3 by wearing screw rod 213.
The centrifugal-axial flow pump of the present embodiment is easy for installation equally, be pre-installed rotor 13 with the upper connection part 1 of stator 12, impeller 15 is loaded onto in coupling shaft 14 lower end, upper axle head 141 and the lower shaft end 142 of coupling shaft 14 are supported, by screw rod 213 etc., upper connection part 1, guiding subassembly 3 are connected with lower connection part 2, namely complete the installation of the centrifugal-axial flow pump of the present embodiment.
After the installation of the axial flow diving recycle pump self of the present embodiment, open the case lid 73 of energy-saving cistern 7, the outside thread of the external thread part 22 of lower connection part 2 to be screwed in the internal thread on outlet pipe 72 top and to tighten, connect the power supply of motor, namely complete the installation of the present embodiment centrifugal-axial flow pump in water tank 7.
The centrifugal-axial flow pump of the present embodiment operationally, circulating water body in energy-saving cistern 7, no longer directly to flow out from outlet pipe 72, but enter upper connection part 1 from water intake 16, drive through the current limliting of restrictor 17, the circumference of impeller 15, through the water conservancy diversion of guiding subassembly 3, flow into rapidly lower connection part 2, then participate in the water cycle process of whole power economized boiler 7 through outlet pipe 72.
In the present embodiment, upper connection part 1, guiding subassembly 3 and lower connection part 2 are installed in energy-saving cistern 7, but centrifugal-axial flow pump of the present invention, also can install in other manners, therefore have the 3rd following embodiment.
Three, the centrifugal-axial flow pump of the 3rd embodiment
The present embodiment and front two embodiments unlike, in the present embodiment, be that the equipment such as motor 19 grade of centrifugal-axial flow pump is arranged on the case lid 73 of energy-saving cistern 7, and the parts such as impeller 15, lower connection part 2 be arranged on the top of outlet pipe 72, connected by coupling shaft 14 between the two.
As shown in Figure 18, Figure 21-Figure 23, the centrifugal-axial flow pump of the present embodiment, can comprise housing 10 and lower connection part 2.
Coupling shaft 14 is in fact transmission shaft, is the mechanical energy that motor 19 exports is passed to impeller 15, rotates with impeller 15.In the present embodiment, impeller 15 is arranged in housing 10, impeller 15 comprises blade 151, lower pedal 152, attachment post 153 and overhead gage 154, wherein, with the first embodiment unlike, add overhead gage 154, further, overhead gage 154 is fixedly connected with blade 151, and upper plate washer 154 is toroidals, centre has through hole, so that water body can pass through.In addition, in the present embodiment, it is rectangular plate that blade 151 is also no longer limited as, and can be arc plate, and also namely the projection of blade 151 on lower pedal 152 is C shape curve.
In addition, in the present embodiment, water intake 16 is arranged on the end face of housing 10, and housing 10 is buckled on impeller 15, and have fin in housing 10, embeds in the groove 29 of lower connection part 2 housing 10 and lower connection part 2 to be linked together.
The groove 29 that lower connection part 2 comprises flow guide device 23, external thread part 22 and is arranged on flow guide device 23 outer wall.Wherein, flow guide device 23 can be identical with the flow guide device 23 of the first embodiment, also can be identical with the guiding subassembly 3 of the second embodiment, and, the end face of the diversion column of flow guide device 23 also has groove 232, bearing or axle sleeve can be set in groove 232 to support the lower shaft end 142 of coupling shaft 14.External thread part 22 is for the connection of the outlet pipe 72 with energy-saving cistern 7.
The centrifugal-axial flow pump of the present embodiment has advantage easy for installation equally, the miscellaneous part of upper connection part 1 except motor 19 and coupling shaft 14, be installed in energy-saving cistern, the particularly bottom of energy-saving cistern 7, the top of outlet pipe 72, first the internal thread of the external thread part 22 of lower connection part 2 with outlet pipe 72 top can be connected, then, coupling shaft 14 is passed by the water intake 16 of housing 10, coupling shaft 14 installs impeller 15, and in the bearing lower shaft end 142 of coupling shaft 14 is bearing in the groove 232 of lower connection part 2 or axle sleeve.By coordinating of fin and groove 29, housing 10 is fixedly connected with lower connection part 2.
Again the top of coupling shaft 14 is connected motor 19, support the upper axle head of coupling shaft 14.Motor 19 is arranged on the case lid 73 of energy-saving cistern 7, as shown in figure 18, the bottom of motor 19 has connecting plate 190, four bights of connecting plate 190 offer the unthreaded hole for wearing bolt, on the case lid 73 of energy-saving cistern 7, corresponding position offers tapped hole, by bolt, motor 19 is fixed on the upper surface of case lid 73.Connect the power supply of motor 19, namely complete the present embodiment centrifugal-axial flow pump and the installation in energy-saving cistern 7 thereof.
The centrifugal-axial flow pump of the present embodiment operationally, circulating water body in energy-saving cistern 7, no longer directly to flow out from outlet pipe 72, but enter upper connection part 2 from water intake 16, circumference through impeller 15 drives, connection part 2 under rapid inflow, through the water conservancy diversion of flow guide device 23, then participates in the water cycle process of whole power economized boiler through outlet pipe 72.
Four, the centrifugal-axial flow pump of the 4th embodiment
As illustrated in figures 19 and 20, the centrifugal-axial flow pump of fourth embodiment of the invention, is with the 3rd embodiment's difference, in the present embodiment, in the outside of coupling shaft 14, is provided with connecting tube 5.In addition, the structure of housing 6 also there occurs larger change.
The centrifugal-axial flow pump of the present embodiment, comprises lower connection part 2, connecting tube 5 and housing 6.
Impeller 15 is arranged in housing 6, and water intake 60 is arranged at housing 6 sidewall; Coupling shaft 14 penetrates housing 6 to connect impeller 15; The top of motor 19 is provided with wire terminals 194.Impeller 15 is then identical with the 3rd embodiment, has overhead gage 154 and lower pedal 152.
Flow guide device is arranged in lower connection part 2, the lower connection part body 20 of lower connection part 2 has internal thread 201, by with housing 6 bottom outside thread 601 screw togather and can dismountablely be connected to bottom housing 6, flow guide device is arranged in lower connection part 2, the flow guide device of the present embodiment, can be identical with the flow guide device in the first embodiment.The waterexit end of lower connection part 2 has external thread part 22, is for being connected with the outlet pipe of energy-saving cistern 7 is dismountable.
The inner face of housing 6 is formed with restrictor 67, housing 6 is less than the internal diameter of other positions of housing 6 at the internal diameter at restrictor 67 place, and housing 6 is the 30%-70% of the maximum inner diameter of housing 6 at the internal diameter at restrictor 67 place, restrictor 67 is between water intake 60 and impeller 14; Water intake 60 is arranged at the top of restrictor 67.
The upper end of connecting tube 5 is motor connecting end, lower end is housing connecting end, and motor connecting end is connected to the adapter sleeve 195 of motor 19, the inner side of connecting tube 5 inner housing connecting end, being provided with mounting plate 62, mounting plate 62 being provided with the wear-resistant gasket 61 for supporting coupling shaft 14 bottom.
Connecting tube 5 can be overall connecting tube 5, in order to easy for installation, the sidewall of connecting tube 5 can offer the first elongated slot 51 and the second elongated slot 52, first elongated slot 51 and the second elongated slot 52 belong to auxiliary hole, first elongated slot 51 is for operating the connection of coupling shaft 5 and motor output shaft, and the second elongated slot 52 is for operating coupling shaft 5 and the connection of impeller 15, tighten connecting bolt with instruments such as screw-drivers through auxiliary hole.The upper end of coupling shaft 14 can connect the output shaft of motor 19 by cross coupler 147.
In addition, remain in order to easy for installation, connecting tube 5 can be made a left side half body and right half body that mutually fasten, because connecting tube 5 is pipes, therefore left half body and right half body are all semi-circular tubes, left half body is provided with raised line, and right half body is provided with the groove matched with raised line, raised line and groove also can exchange.When being divided into the body of two mutual fastenings, mounting plate 62, is also divided into two-part, is separately positioned on left half body and right half body.
In addition, connecting tube 5 and housing 6 can carry out integrated, and accessible site is fasten by left half body and right half body the connection shroud formed, the connecting tube also namely in left half body and right half body and housing one-body molded.
The axial flow circulating pump of the present embodiment, installation process can be: penetrated by coupling shaft 14 in the axis hole of wear-resistant gasket 61, allow coupling shaft 14 lower end and impeller 15 pre-connection, coupling shaft 14 upper end is by cross coupler 147 and motor output shaft pre-connection, pre-connection refers to screws on connecting bolt, but the state of not tightening, by wear-resistant gasket 61 both sides, stick in the half mounting plate 62 on left half body and right half body respectively, left half body and right half body are fastened, the upper end of connecting tube 5 sticks into and connects in pipe box 195, lower end sticks into the upper end open of housing 6, the lower end of coupling shaft 14 is set, housing 6 is connected by screw thread with lower connection part 2, again by the first elongated slot 51 and the second elongated slot 52, by coupling shaft 14 and cross coupler 147, connecting bolt between coupling shaft 5 and impeller 15 is tightened.
The axial flow circulating pump of the present embodiment operationally, circulating water body in energy-saving cistern 7, no longer directly to flow out from outlet pipe 72, but enter from water intake 60, through the current limliting of restrictor 67, the radial drive of impeller 15, connection part 2 under rapid inflow, through flow guide device water conservancy diversion and axially flow out, then participate in the water cycle process of whole power economized boiler through outlet pipe 72.
So far mode of execution as herein described is construed as is explanation of the invention, but not limitation of the present invention.Scope of the present invention is not illustrated by above specification, but is limited by the claim of patent, this invention is intended to comprise all corrections be equal to the meaning of patent claims and scope.
Claims (10)
1. a centrifugal-axial flow pump, is characterized in that, described centrifugal-axial flow pump comprises:
Water intake and water outlet, flow into for water body and flow out described centrifugal-axial flow pump;
Impeller, is arranged at the downstream of described water intake, the water body in centrifugal-axial flow pump described in radial drive, the baffle plate that described impeller comprises blade and is fixedly connected with described blade;
Motor, for described vane rotary provides power;
Coupling shaft, connects described motor and described impeller; And
Flow guide device, is arranged at described impeller downstream, and axially flow out described centrifugal-axial flow pump for described water body being directed to described water outlet, described baffle plate is between described blade and described flow guide device.
2. centrifugal-axial flow pump as claimed in claim 1, it is characterized in that, described centrifugal-axial flow pump also comprises: upper connection part and lower connection part;
Described motor comprises rotor and stator; Described rotor is arranged in described stator;
Described rotor, stator and impeller are arranged at described upper connection part, and described rotor is fixedly connected on described coupling shaft;
Described water intake is arranged at the sidewall of described upper connection part;
Described lower connection part has feed-water end and waterexit end, and described water outlet is positioned at described waterexit end, and described feed-water end is dismountable is connected to described upper connection part, and described flow guide device is arranged in described lower connection part;
Described impeller is between described rotor and described feed-water end.
3. centrifugal-axial flow pump as claimed in claim 2, it is characterized in that, one end that described upper connection part connects described lower connection part has the first joint, the feed-water end of described lower connection part has the second joint be connected with described first joint, and the waterexit end of described lower connection part has the second outside thread;
Described first joint is the first outside thread, and described second joint is the first internal thread; Or described first joint is the first flange, described second joint is the second flange; Or described first joint is inner clip head, described second joint is outer dop.
4. centrifugal-axial flow pump as claimed in claim 1, it is characterized in that, described centrifugal-axial flow pump also comprises housing and lower connection part;
The length connecting the coupling shaft of described impeller and described motor is greater than liquid level height;
Described impeller is arranged in described housing, and described water intake is arranged on described housing; Described coupling shaft penetrates described housing to connect described impeller;
Described lower connection part has feed-water end, flow guide device and waterexit end, and described water outlet is positioned at described waterexit end, and described feed-water end is dismountable is connected to described housing, and described flow guide device is arranged in described lower connection part.
5. the centrifugal-axial flow pump as described in claim 3 or 4, it is characterized in that, described flow guide device comprises multiple guide plates of diversion column and the circumferentially radial even setting at described diversion column, described diversion column has conoid end and planar ends, described planar ends has groove, arrange axle sleeve or bearing in described groove to support the axle head of described coupling shaft, the curve cutting described diversion column gained through the plane of described diversion column axis is smoothed curve.
6. centrifugal-axial flow pump as claimed in claim 2, it is characterized in that, the inner face of described upper connection part is formed with a restrictor, described upper connection part the internal diameter at described restrictor place be less than described on the internal diameter of other positions of connection part, and described upper connection part the internal diameter at described restrictor place be described on the 30%-70% of maximum inner diameter of connection part, described restrictor is between described water intake and described impeller; Described water intake is arranged at the top of described restrictor.
7. axial flow centrifugal pump as claimed in claim 4, it is characterized in that, described axial flow centrifugal pump also comprises connecting tube, described connecting tube has motor connecting end and housing connecting end, in described connecting tube inside described housing connecting end, being provided with mounting plate, described mounting plate being provided with the wear-resistant gasket for supporting described major axis.
8. axial flow centrifugal pump as claimed in claim 7, it is characterized in that, described connecting tube and described housing are integrated into and fasten by left half body and right half body the connection shroud formed, the described connecting tube in described left half body and described right half body and described housing one-body molded.
9. an energy-saving cistern, is characterized in that, described energy-saving cistern has intake pipe and outlet pipe, and be provided with the arbitrary described centrifugal-axial flow pump of claim 1-8 in described energy-saving cistern, described water outlet is connected to described outlet pipe.
10. a power economized boiler, is characterized in that, described power economized boiler has the energy-saving cistern of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510508211.0A CN105041674B (en) | 2015-08-18 | 2015-08-18 | Power economized boiler, energy-saving cistern and its centrifugal-axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510508211.0A CN105041674B (en) | 2015-08-18 | 2015-08-18 | Power economized boiler, energy-saving cistern and its centrifugal-axial flow pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105041674A true CN105041674A (en) | 2015-11-11 |
| CN105041674B CN105041674B (en) | 2018-03-23 |
Family
ID=54448545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510508211.0A Expired - Fee Related CN105041674B (en) | 2015-08-18 | 2015-08-18 | Power economized boiler, energy-saving cistern and its centrifugal-axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105041674B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158440A (en) * | 1990-10-04 | 1992-10-27 | Ingersoll-Rand Company | Integrated centrifugal pump and motor |
| CN2793373Y (en) * | 2005-06-10 | 2006-07-05 | 岳益国 | Vertical slag slurry pump |
| CN201027671Y (en) * | 2007-03-23 | 2008-02-27 | 株洲石油储运设备有限公司 | Loading and unloading dual-purpose hydraulic oil-immersed pump of fuel tank car |
| CN202926652U (en) * | 2012-03-06 | 2013-05-08 | 朱小雄 | Axial flow water pump structure |
| CN103499140A (en) * | 2013-10-06 | 2014-01-08 | 永州市天一生态农业开发有限公司 | Energy-saving boiler and operation method thereof |
| CN204984953U (en) * | 2015-08-18 | 2016-01-20 | 杨永顺 | Energy -conserving boiler, energy -conserving water tank and centrifugation axial -flow pump thereof |
-
2015
- 2015-08-18 CN CN201510508211.0A patent/CN105041674B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158440A (en) * | 1990-10-04 | 1992-10-27 | Ingersoll-Rand Company | Integrated centrifugal pump and motor |
| CN2793373Y (en) * | 2005-06-10 | 2006-07-05 | 岳益国 | Vertical slag slurry pump |
| CN201027671Y (en) * | 2007-03-23 | 2008-02-27 | 株洲石油储运设备有限公司 | Loading and unloading dual-purpose hydraulic oil-immersed pump of fuel tank car |
| CN202926652U (en) * | 2012-03-06 | 2013-05-08 | 朱小雄 | Axial flow water pump structure |
| CN103499140A (en) * | 2013-10-06 | 2014-01-08 | 永州市天一生态农业开发有限公司 | Energy-saving boiler and operation method thereof |
| CN204984953U (en) * | 2015-08-18 | 2016-01-20 | 杨永顺 | Energy -conserving boiler, energy -conserving water tank and centrifugation axial -flow pump thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105041674B (en) | 2018-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105485057B (en) | A kind of Hydraulic Design Method of diagonal pumps radial vane | |
| CN204984953U (en) | Energy -conserving boiler, energy -conserving water tank and centrifugation axial -flow pump thereof | |
| CN201803437U (en) | Hydraulic module | |
| CN105041674A (en) | Energy-saving boiler, energy-saving water tank and centrifugal axial flow pump thereof | |
| WO2010009629A1 (en) | A hydrodynamic cooling fan for a cooling tower with high efficiency and saving-energy | |
| CN204921402U (en) | Energy -conserving boiler, energy -conserving water tank and axial compressor circulating pump thereof | |
| CN111005833A (en) | Pipeline device for generating and storing electricity by utilizing kinetic energy of fluid in pipeline | |
| CN105041676B (en) | Power economized boiler, energy-saving cistern and its axial flow circulating pump | |
| CN204532679U (en) | Domestic energy-saving electricity generating device | |
| CN204961324U (en) | Energy -conserving boiler, energy -conserving water tank and axial compressor dive circulating pump thereof | |
| CN208718821U (en) | Shaftless liquid turbine energy saver | |
| CN103900018B (en) | Swimming pool wall electricity-saving lamp | |
| CN203866111U (en) | Micro bubble generation device | |
| CN208718852U (en) | A kind of Novel down-hole geothermal power generating device | |
| CN204941985U (en) | Multi-purpose type electronic water pump | |
| CN207879702U (en) | A kind of boiler centrifugal draught fan | |
| CN202597124U (en) | Single-stage and single-suction vertical structure for coolant drain tank pump | |
| CN103244440A (en) | Hydrodynamic wind power propulsion device and cooling tower wind power system | |
| CN109067089A (en) | A kind of pump motor for automobile | |
| KR102653958B1 (en) | A generator configured at the pipe | |
| CN204985097U (en) | Water pump structure | |
| CN216717478U (en) | Running water flow detection device | |
| CN221120344U (en) | Improved clean water pump | |
| CN214330923U (en) | Special pump of super high-efficient economize on electricity energy-conserving circulation | |
| CN109139337A (en) | A kind of draft cone of the hydraulic turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20190818 |