CN214464926U - Easily solidify medium conveying system - Google Patents
Easily solidify medium conveying system Download PDFInfo
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- CN214464926U CN214464926U CN202120240903.2U CN202120240903U CN214464926U CN 214464926 U CN214464926 U CN 214464926U CN 202120240903 U CN202120240903 U CN 202120240903U CN 214464926 U CN214464926 U CN 214464926U
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Abstract
The utility model discloses an easily solidify medium conveying system belongs to medium liquid conveying equipment technical field. It includes: the submerged pump comprises a plurality of submerged pumps, wherein pump shafts are vertically arranged in the submerged pumps from top to bottom, a rotary driving device is arranged at the upper end of each submerged pump, the upper end of each pump shaft is in transmission connection with the rotary driving device, and a pump head is arranged at the lower end of each submerged pump; the submerged pump is characterized in that a bushing is further arranged inside the submerged pump, the pump shaft penetrates through the bushing, a shaft sleeve is arranged on the pump shaft and faces the bushing, the shaft sleeve is sleeved on the periphery of the pump shaft, and a gap is formed between the shaft sleeve and the bushing to form a lubricating channel; the medium liquid conveying device is provided with an output end for outputting the medium liquid; one end of the lubricating medium liquid conveying pipe is connected with the output end of the medium liquid conveying device, and the other end of the lubricating medium liquid conveying pipe, close to the upper end of the shaft bushing, is connected to the submerged pump and is communicated with the lubricating channel; the utility model discloses an easily solidify medium conveying system can avoid having the medium long-pending solidification of staying in the lubricated passageway of submerged pump.
Description
Technical Field
The utility model relates to a medium liquid conveying equipment technical field especially relates to an easily solidify medium conveying system.
Background
The molten salt pump belongs to a submerged pump, is used for conveying high-temperature molten salt (the temperature of the molten salt is usually 220-; the pump shaft that is equipped with in the present molten salt pump is longer, and the molten salt pump vibration that arouses when rotatory and the noise that produces are great, generally needs the bush to support to just install the axle sleeve to the bush on the pump shaft, have the clearance between axle sleeve and the bush, axle sleeve and bush sliding contact support the pump shaft in order to reduce vibration and noise, improve the rotatory stability of pump shaft.
Furthermore, the molten salt pump is soaked in the molten salt when in use, and when the molten salt pump is stopped, part of the molten salt in the molten salt pump flows back into the molten salt pool, so that the molten salt is easy to accumulate in a gap between the shaft sleeve and the bushing; in addition, when using the fused salt pump to carry high temperature fused salt, clearance department between axle sleeve and the bush also has the fused salt long-pending and solidify because of stopping heating, make bush and axle sleeve bond together, when the molten salt pump of restart, the friction between bush and the axle sleeve is great, influence the normal start of molten salt pump, and, along with the extension of molten salt pump live time, the accumulational fused salt of clearance department between axle sleeve and the bush can be more and more, the influence to the normal start of molten salt pump is bigger and leads to the molten salt pump start load too big and damage the molten salt pump even. Moreover, the structure of the molten salt pump is complex, and the molten salt pump is internally provided with more vulnerable parts, so that the molten salt pump is easy to break down in the using process to bring inconvenience to production, and other submerged pumps in the prior art also have the same or similar problems with the molten salt pump.
In addition, the antimony-impregnated graphite material has good self-lubricating property, and has the properties of stable and high chemical property, good high-temperature resistance, good corrosion resistance, high thermal conductivity, small linear expansion coefficient, rapid cooling and rapid heating resistance and the like; therefore, the antimony-impregnated graphite material is generally adopted to manufacture the bushing, but the antimony-impregnated graphite material is brittle and is easy to break when the bushing made of the antimony-impregnated graphite is impacted and vibrated, particularly the position of the corner is easy to break, and the use cost of the molten salt pump is increased; further, similar one or more of the technical problems described above also exist when bushings are made using other self-lubricating materials; furthermore, when the existing molten salt pump or other submerged pump is used for conveying liquid of other easily solidified, high-temperature and high-melting-point media such as sulfur, the easily solidified media are solidified, so that the bushing and the shaft sleeve are bonded together. Thus, there is a need for an easily settable media delivery system that avoids the bushing and sleeve from sticking together.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art at least one not enough, provide one kind can avoid bush and axle sleeve to bond easily solidified medium conveying system together.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a settable media delivery system comprising:
the submerged pump comprises a plurality of submerged pumps, wherein pump shafts are vertically arranged in the submerged pumps from top to bottom, a rotary driving device is arranged at the upper end of each submerged pump, the upper ends of the pump shafts are in transmission connection with the rotary driving device, pump heads used for sucking medium liquid and sending out the sucked medium liquid are arranged at the lower ends of the submerged pumps, cavities are formed in the pump heads, the lower ends of the pump shafts extend into the cavities, impellers are connected to the lower ends of the pump shafts, and the impellers are located in the cavities;
the submerged pump is characterized in that a bushing is further arranged inside the submerged pump, the pump shaft penetrates through the bushing, a shaft sleeve is arranged on the pump shaft and faces the bushing, the shaft sleeve is sleeved on the periphery of the pump shaft, a gap is formed between the shaft sleeve and the bushing to form a lubricating channel, and the lubricating channel is communicated with the cavity;
the medium liquid conveying device is used for conveying medium liquid to the lubricating channel between the shaft sleeve and the shaft bushing in the submerged pump so as to lubricate the lubricating channel, and an output end for outputting the medium liquid is arranged on the medium liquid conveying device;
one end of the lubricating medium liquid conveying pipe is connected with the output end of the medium liquid conveying device, and the other end of the lubricating medium liquid conveying pipe, close to the upper end of the shaft bushing, is connected to the submerged pump and is communicated with the lubricating channel.
The utility model has the advantages that: in the easy-to-solidify medium conveying system in the embodiment, the plurality of submerged pumps are arranged, so that in the process of industrial production, part of the submerged pumps can be started, the other part of the submerged pumps are prepared, and if the running submerged pumps fail, the submerged pumps of the prepared machines can be started to convey medium liquid, so that the normal operation of the industrial production is ensured, and the influence on the industrial production due to the failure of one submerged pump is avoided; furthermore, in the embodiment, a medium liquid conveying device and a medium liquid conveying pipe for lubrication are arranged, and the medium liquid is conveyed to the lubrication channel between the shaft sleeve and the shaft bushing in the submerged pump through the medium liquid conveying device, so that the medium accumulation and solidification in the lubrication channel between the shaft sleeve and the shaft bushing in the submerged pump can be avoided, the shaft sleeve and the shaft bushing are prevented from being bonded together, meanwhile, the medium liquid conveyed to the lubrication channel between the shaft sleeve and the shaft bushing through the medium liquid conveying pipe for lubrication can also lubricate the shaft sleeve and the shaft bushing, the sliding surface between the shaft sleeve and the shaft bushing is favorably fully lubricated, the friction between the shaft sleeve and the shaft bushing is reduced, and the rotation stability of the pump shaft is improved; furthermore, the method is also beneficial to normally starting the standby submerged pump to convey medium liquid immediately after a certain submerged pump fails, the phenomenon that the medium is accumulated and solidified at the gap between the shaft sleeve and the shaft bushing in the standby submerged pump to influence the normal starting of the standby submerged pump can be avoided, the shaft bushing is prevented from being broken due to the fact that the shaft sleeve and the shaft bushing are bonded together when the standby submerged pump is started, and the service life of the shaft bushing is prolonged; and a plurality of submerged pumps can be switched for use, so that the continuous operation time of each submerged pump is shortened, and the service life of the submerged pumps is prolonged.
In addition, on the basis of the technical scheme, the utility model discloses can also make following improvement, can also have following additional technical feature.
According to the utility model discloses an embodiment, easily solidify medium conveying system still includes:
the lubricating medium liquid conveying branch pipe I is used for conveying medium liquid for lubrication, one end of the lubricating medium liquid conveying branch pipe I is connected with the lubricating medium liquid conveying pipe and communicated with the lubricating medium liquid conveying pipe, and the other end of the lubricating medium liquid conveying branch pipe I is close to the upper end of the shaft bushing and is connected to the submerged pump and communicated with the lubricating channel.
In this embodiment, a first lubricating medium liquid conveying branch pipe is arranged, one end of the first lubricating medium liquid conveying branch pipe is connected with the first lubricating medium liquid conveying pipe, and the other end of the first lubricating medium liquid conveying branch pipe, which is close to the upper end of the shaft bushing, is connected to the submerged pump and is communicated with the lubricating channel, so that medium liquid can be conveyed to the lubricating channel between the shaft bushing and the shaft bushing through the first lubricating medium liquid conveying branch pipe.
According to an embodiment of the present invention, a plurality of bushings are provided at intervals, the pump shaft sequentially passes through the plurality of bushings, and a plurality of shaft sleeves are provided on the pump shaft one by one opposite to the plurality of bushings, and the shaft sleeves are respectively sleeved on the periphery of the pump shaft;
the first lubricating medium liquid conveying branch pipe is provided with a plurality of first lubricating medium liquid conveying branch pipes, one end of each first lubricating medium liquid conveying branch pipe is connected with the corresponding lubricating medium liquid conveying pipe and communicated with the corresponding lubricating medium liquid conveying pipe, and the other end of each first lubricating medium liquid conveying branch pipe is close to the upper end of the shaft bushing and connected to the submerged pump and communicated with the corresponding lubricating channel.
Through being equipped with a plurality of bushings and a plurality of axle sleeves in this embodiment, be convenient for improve the rotatory stability of pump shaft in the submerged pump, and the one end of lubricated with medium liquid transport branch pipe one is close to respectively the upper end of bushing is connected on the submerged pump, the other end is close to respectively the upper end of bushing is connected on the submerged pump and with lubricated passageway intercommunication, be convenient for respectively through lubricated with medium liquid transport branch pipe one to the lubricated passageway transport medium liquid between a plurality of bushings and a plurality of axle sleeves.
According to the utility model discloses an embodiment, be equipped with on-off control valve one respectively on the lubricated medium liquid delivery branch pipe one. In the embodiment, the first lubricating medium liquid conveying branch pipes are respectively provided with the first switch control valves, so that the first lubricating medium liquid conveying branch pipes can be opened or closed through the first switch control valves according to requirements, the first switch control valves can be selectively opened to convey medium liquid to the lubricating channel between the bushing and the shaft sleeve according to requirements, and the first switch control valves can be selectively closed to stop conveying the medium liquid to the lubricating channel between the bushing and the shaft sleeve according to requirements.
According to the utility model discloses an embodiment, easily solidify medium conveying system still includes:
the medium liquid output pipe is used for conveying medium liquid, one end of the medium liquid output pipe is connected to the submerged pump and communicated with the cavity, and the other end of the medium liquid output pipe extends upwards to form a medium liquid output end;
and the other end of the second lubricating medium liquid conveying branch pipe is respectively connected with the medium liquid output pipe and communicated with the medium liquid output pipe.
In this embodiment, the medium liquid output pipe is used for facilitating the output of the medium liquid of the submerged pump, and in addition, the plurality of second lubricating medium liquid conveying branch pipes are arranged, one ends of the plurality of second lubricating medium liquid conveying branch pipes are respectively connected with the lubricating medium liquid conveying pipes, and the other ends of the second lubricating medium liquid conveying branch pipes are respectively connected with the medium liquid output pipe, so that the medium liquid can be conveyed into the medium liquid output pipe of the submerged pump through the lubricating medium liquid conveying branch pipes, and the influence on the conveying of the medium liquid from the medium liquid output pipe when the submerged pump is started due to the accumulation and solidification of the residual medium in the medium liquid output pipe on the standby machine or the stopped submerged pump is favorably avoided.
According to the utility model discloses an embodiment, be equipped with on-off control valve two on the lubricated medium liquid delivery branch pipe two respectively. In this embodiment, the second lubricating medium liquid delivery branch pipes are respectively provided with the second on-off control valves, so that the second lubricating medium liquid delivery branch pipes can be opened or closed through the second on-off control valves as required, the second on-off control valves can be selectively opened as required to deliver medium liquid into the medium liquid output pipes, and the second on-off control valves can be selectively closed as required to stop delivering the medium liquid into the medium liquid output pipes.
According to the utility model discloses an embodiment, edge on the submerged pump the extending direction interval of pump shaft is equipped with a plurality of axle bush mount pads, be equipped with vertical through-hole in the axle bush mount pad respectively, the pump shaft passes vertical through-hole, the axle bush is installed in the vertical through-hole, the one end of lubricated with medium liquid transport branch pipe one is connected respectively on the axle bush mount pad and with lubricated passageway intercommunication. In the embodiment, the shaft bushing mounting seat is provided, and the vertical through holes are respectively formed in the shaft bushing mounting seat, so that the shaft bushing is convenient to mount; furthermore, one end of the first lubricating medium liquid conveying branch pipe is convenient to be arranged on the bushing mounting seat.
According to the utility model discloses an embodiment, lubricated medium liquid conveyer pipe with the week side of lubricated medium liquid conveying branch pipe one is equipped with the insulation cover respectively. In this embodiment, the heat preservation sleeve is used for respectively preserving heat of the lubricating medium liquid delivery pipe and the lubricating medium liquid delivery branch pipe, so that heat loss of medium liquid flowing in the lubricating medium liquid delivery pipe and the lubricating medium liquid delivery branch pipe can be reduced, more temperature can be reduced, the medium liquid can be guaranteed to still have higher temperature after being delivered into the lubricating channel through the lubricating medium liquid delivery pipe and the lubricating medium liquid delivery branch pipe, the medium liquid can be guaranteed to be reliable for lubricating and supplementing heat to the lubricating channel, and medium accumulation and solidification in the lubricating channel are avoided.
According to the utility model discloses an embodiment, medium liquid conveyor is equipped with a plurality ofly, every medium liquid conveyor passes through lubricated with medium liquid conveyer pipe and a plurality of submerged pump is connected and can pass through respectively lubricated with medium liquid conveyer pipe to the submerged pump lubricated passageway input medium liquid. Through being equipped with a plurality of medium liquid conveyor in this embodiment, be convenient for reliably to lubrication channel input medium liquid, and can control the flow of the medium liquid of input respectively, be favorable to respectively importing the medium liquid that is fit for the flow in the lubrication channel of the submerged pump of submerged pump and spare machine of operation, when guaranteeing that can be reliable to avoid having the medium accumulation to remain the solidification in the lubrication channel in the submerged pump of submerged pump and spare machine of operation, reduce the flow to the medium liquid of input in the lubrication channel, reduce the energy consumption.
According to the utility model discloses an embodiment, easily solidify medium conveying system still includes: and the medium liquid conveying device is electrically connected with the control unit. In this embodiment, the control unit is provided, and the medium liquid conveying device is electrically connected to the control unit, so that the medium liquid conveying device can be controlled by the control unit, and the control unit is favorable for automatically controlling the movement time and the operation power of the medium liquid conveying device, so that the medium liquid conveying device outputs a proper amount of medium liquid to enter the lubricating channel.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a readily solidifiable medium delivery system in accordance with an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of region I of FIG. 1;
FIG. 3 is an enlarged view of a portion of region II of FIG. 1;
fig. 4 is a schematic view of a second lubricating medium liquid conveying branch pipe provided in the easily solidified medium conveying system according to the embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a submerged pump 2, a lubricating medium liquid delivery pipe 3, a bushing 4, a shaft sleeve 5, a motor mounting seat 6, a medium liquid delivery device 10, a pump shaft 11, a motor 12, a first connecting cylinder 13, a second connecting cylinder 14, a first bushing mounting seat 15, a second bushing mounting seat 16, a pump head 17, a first filter cylinder 18, a liquid outlet connecting pipe 19, a liquid outlet pipe 20, a second lubricating medium liquid delivery branch pipe 21, a first lubricating medium liquid delivery branch pipe 22, a second lubricating medium liquid delivery branch pipe 60, a second filter cylinder 121, a first heat preservation cylinder 122, a first heat preservation fluid input connector 123, a first heat preservation fluid delivery pipe 131, a second heat preservation cylinder 132, a second heat preservation fluid delivery pipe 133, a third heat preservation fluid delivery pipe 141, a first medium liquid input channel 142, a fifth heat preservation cylinder 143 and a first medium liquid extrusion cavity, 151. the device comprises insulation fluid discharge connectors I and II, 152, medium liquid input channels II and 153, insulation cylinders six and 154, medium liquid extrusion cavities II and 191, insulation cylinders three and 192, insulation cylinders four and 193, insulation fluid input pipes I and 194, insulation fluid delivery pipes four and 195 and insulation fluid discharge connectors II.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The present embodiment provides a conveying system for a solidifiable medium, as shown in fig. 1 to 3, including:
the submerged pump comprises a plurality of submerged pumps 1, wherein pump shafts 10 are vertically arranged in the submerged pump 1 from top to bottom, a rotary driving device is arranged at the upper end of the submerged pump 1, the upper end of each pump shaft 10 is in transmission connection with the rotary driving device, a pump head 16 used for sucking medium liquid and sending out the sucked medium liquid is arranged at the lower end of the submerged pump 1, a cavity is arranged in each pump head 16, the lower end of each pump shaft 10 extends into the cavity, and the lower end of each pump shaft 10 is connected with an impeller which is positioned in the cavity;
the submerged pump 1 is also internally provided with a shaft bushing 3, a pump shaft 10 penetrates through the shaft bushing 3, a shaft sleeve 4 is arranged on the pump shaft 10 opposite to the shaft bushing 3, the shaft sleeve 4 is sleeved on the peripheral side of the pump shaft 10, a gap is formed between the shaft sleeve 4 and the shaft bushing 3 to form a lubricating channel, and the lubricating channel is communicated with the cavity;
the medium liquid conveying device 6 is used for conveying medium liquid to a lubricating channel between the shaft sleeve 4 and the shaft bushing 3 in the submerged pump 1 so as to lubricate the lubricating channel, and an output end for outputting the medium liquid is arranged on the medium liquid conveying device 6;
one end of the lubricating medium liquid conveying pipe 2 is connected with the output end of the medium liquid conveying device 6, and the other end of the lubricating medium liquid conveying pipe is close to the upper end of the shaft bushing 3 and is connected to the submerged pump 1 and communicated with the lubricating channel.
In this embodiment, as shown in fig. 1 to 3, a plurality of submerged pumps 1 are provided in the easily-solidified medium conveying system, so that in the process of industrial production, part of the submerged pumps 1 can be started, and the other part of the submerged pumps 1 is prepared, and if the running submerged pump 1 fails, the submerged pump 1 of the prepared machine can be started to convey medium liquid, so that normal operation of industrial production is ensured, and influence on industrial production due to failure of one submerged pump 1 is avoided; furthermore, in the embodiment, the medium liquid conveying device 6 and the lubricating medium liquid conveying pipe 2 are arranged, the medium liquid conveying device 6 conveys the medium liquid to the lubricating channel between the shaft sleeve 4 and the shaft bushing 3 in the submerged pump 1, so that the medium accumulation and solidification in the lubricating channel between the shaft sleeve 4 and the shaft bushing 3 in the submerged pump 1 can be avoided, the shaft sleeve 4 and the shaft bushing 3 are prevented from being bonded together, meanwhile, the medium liquid conveyed to the lubricating channel between the shaft sleeve 4 and the shaft bushing 3 through the lubricating medium liquid conveying pipe 2 can lubricate the shaft sleeve 4 and the shaft bushing 3, the sliding surface between the shaft sleeve 4 and the shaft bushing 3 can be fully lubricated, the friction between the shaft sleeve 4 and the shaft bushing 3 is reduced, and the rotation stability of the pump shaft 10 is improved; furthermore, the method is also beneficial to immediately and normally starting the standby submerged pump 1 to convey the medium liquid after a certain submerged pump 1 fails, the phenomenon that the normal starting of the standby submerged pump 1 is influenced due to the fact that the medium is accumulated and solidified at a gap between the shaft sleeve 4 and the shaft bushing 3 in the standby submerged pump 1 can be avoided, the shaft bushing 3 is prevented from being broken due to the fact that the shaft sleeve 4 and the shaft bushing 3 are bonded together when the standby submerged pump 1 is started, and the service life of the shaft bushing 3 is prolonged; and a plurality of submerged pumps 1 can be switched to be used, so that the continuous operation time of each submerged pump 1 is shortened, and the service life of each submerged pump 1 is prolonged.
Further, the submerged pump 1 shown in the figure of the present embodiment is provided with two submerged pumps, and when one submerged pump 1 is operated, the other submerged pump 1 is provided with a machine, so that the normal operation of industrial production can be ensured under the condition that fewer submerged pumps 1 are provided, the influence on the industrial production due to the failure of one submerged pump 1 is avoided, and the cost for arranging the submerged pump 1 can be reduced.
In this embodiment, the lubricating medium liquid delivery pipe 2 is communicated with the output end of the medium liquid delivery device 6 through a connecting pipe, the medium liquid delivery device 6 in this embodiment is a pump body, the lower end of the medium liquid delivery device 6 is provided with a second filter cartridge 60, the periphery of the second filter cartridge 60 is provided with a plurality of filter holes, and the second filter cartridge 60 can filter relatively large medium particles in the medium liquid pool; further, the medium liquid feeding device 6 in the present embodiment may be a small-sized submerged pump.
In the present embodiment, as shown in fig. 1, a pump shaft 10 is vertically arranged inside a submerged pump 1 from top to bottom, a rotary driving device is arranged at the upper end of the submerged pump 1, the upper end of the pump shaft 10 is in transmission connection with the rotary driving device, a pump head 16 for sucking a medium liquid and sending out the sucked medium liquid is arranged at the lower end of the submerged pump 1, a cavity is arranged in the pump head 16, the lower end of the pump shaft 10 extends into the cavity, an impeller is connected to the lower end of the pump shaft 10, and the impeller is located in the cavity; the submerged pump 1 is also internally provided with a shaft bushing 3, a pump shaft 10 penetrates through the shaft bushing 3, a shaft sleeve 4 is arranged on the pump shaft 10 opposite to the shaft bushing 3, the shaft sleeve 4 is sleeved on the peripheral side of the pump shaft 10, a gap is formed between the shaft sleeve 4 and the shaft bushing 3 to form a lubricating channel, and the lubricating channel is communicated with the cavity; one side of submerged pump 1 is equipped with medium liquid output tube, and medium liquid output tube is used for carrying medium liquid, and the one end of medium liquid output tube is connected on submerged pump 1 and with the cavity intercommunication, and the other end upwards extends and forms medium liquid output. The rotary driving device in the embodiment is a motor 11, and the motor 11 is installed on the motor installation seat 5; in addition, the rotation driving device in the present embodiment may also employ other rotation driving apparatuses.
In this embodiment, as shown in fig. 1, the motor 11 of the submerged pump 1 is mounted on the motor mounting seat 5 through a mounting seat, the lower end of the mounting seat is connected with the first connecting cylinder 12, the lower end of the first connecting cylinder 12 is connected with the first bushing mounting seat 14, the lower end of the first bushing mounting seat 14 is connected with the second connecting cylinder 13, the lower end of the second connecting cylinder 13 is connected with the second bushing mounting seat 15, and the pump head 16 is mounted at the lower end of the second bushing mounting seat 15.
In this embodiment, as shown in fig. 1, the medium liquid output tube of the submerged pump 1 includes a liquid outlet connecting tube 18 and a liquid outlet tube 19, the lower end of the liquid outlet connecting tube 18 is connected to the pump head 16, the upper end of the liquid outlet connecting tube 18 is connected to the liquid outlet tube 19, the upper end of the liquid outlet tube 19 in this embodiment penetrates through the motor mounting base 5, and the output end of the liquid outlet tube 19 can be connected to the delivery tube to output the medium liquid. Further, in the present embodiment, the liquid outlet pipe 19 is connected to the pump head 16 of the submerged pump 1, and the liquid outlet pipe 19 may be connected above the pump head 16 of the submerged pump 1 so as to be able to deliver the medium liquid.
In this embodiment, as shown in fig. 1, a first filter cartridge 17 is disposed at a lower end of the submerged pump 1, the first filter cartridge 17 is provided with a plurality of filter holes, and the first filter cartridge 17 can filter the medium liquid to prevent larger medium particles in the medium liquid from being pumped out. Further, when the easily solidifiable medium conveying system is used, the lower end of the submerged pump 1 is immersed into the medium liquid, the filter cartridge I17 is positioned below the liquid level of the medium liquid, and when the submerged pump 1 operates, the blades in the submerged pump 1 rotate and suck in and send out the sucked medium liquid.
In the present embodiment, as shown in fig. 1 to 3, after the submerged pump 1 is stopped, the submerged pump 1 needs to be restarted, a medium remaining in the submerged pump 1 before starting is solidified in the submerged pump 1, in order to facilitate melting of the solidified medium remaining in the submerged pump 1, in the present embodiment, a first heat-insulating cylinder 121 is disposed on the circumferential side of a first connecting cylinder 12, a second heat-insulating cylinder 131 is disposed on the circumferential side of a second connecting cylinder 13, a fifth heat-insulating cylinder 142 is mounted on the circumferential side of a first bushing mounting seat 14, a sixth heat-insulating cylinder 153 is mounted on the circumferential side of a second bushing mounting seat 15, the upper end of the first heat-insulating cylinder 121 is connected to a first heat-insulating fluid input connector 122, the first heat-insulating fluid input connector 122 is connected to the first heat-insulating fluid input connector 122 through a conveying pipe, a first heat-insulating fluid conveying pipe 123 is connected between the lower end of the first heat-insulating cylinder 121 and the fifth heat-insulating cylinder 142, a second heat-insulating fluid conveying pipe 132 is connected between the upper end of the second heat-insulating cylinder 131 and the fifth heat-insulating cylinder 142, a third heat-preservation fluid conveying pipe 133 is connected between the lower end of the second heat-preservation cylinder 131 and the sixth heat-preservation cylinder 153, a first heat-preservation fluid discharge connector 151 is further arranged on the sixth heat-preservation cylinder 153, and the first heat-preservation fluid discharge connector 151 is connected with a heat-preservation fluid discharge pipe to recycle heat-preservation fluid; furthermore, in this embodiment, a third insulating cylinder 191 is disposed on the periphery of the upper end of the liquid outlet pipe 19, a fourth insulating cylinder 192 is disposed on the periphery of the middle portion and the lower end of the liquid outlet pipe 19, in addition, the upper end of the third insulating cylinder 191 is connected to a first insulating fluid input pipe 193, a fourth insulating fluid delivery pipe 194 is connected between the lower end of the third insulating cylinder 191 and the upper end of the fourth insulating cylinder 192, the lower end of the fourth insulating cylinder 192 is connected to a second insulating fluid discharge joint 195, the second insulating fluid discharge joint 195 is connected to a second insulating fluid discharge pipe, insulating fluid can be input from the first insulating fluid input pipe 193 and discharged from the second insulating fluid discharge joint 195 to recycle the insulating fluid, and the insulating fluid in this embodiment may be high-temperature steam and the like.
In the present embodiment, as shown in fig. 1 to 3, the shaft bushings 3 are respectively mounted in the first shaft bushing mounting seat 14 and the second shaft bushing mounting seat 15, and the pump shaft 10 is provided with the shaft sleeves 4 respectively corresponding to the shaft bushings 3. In the embodiment, a first medium liquid input channel 141 is radially arranged on the first bushing mounting seat 14, the first medium liquid input channel 141 radially penetrates into the first bushing mounting seat 14, and a first medium liquid conveying branch pipe for lubrication is connected with the first medium liquid input channel 141 through a pipe joint; in addition, a first groove which is sunken towards the inner side of the bushing 3 is formed in the outer side wall of the bushing 3 which is installed in the bushing installation seat I14, the bushing 3 is installed in the bushing installation seat I14, a first medium liquid extrusion cavity 143 is defined between the first groove and the bushing installation seat I14, and the first medium liquid extrusion cavity 143 is communicated with a first medium liquid input channel 141; the lubricating channel arranged between the bushing 3 and the shaft sleeve 4 of the bushing mounting seat I14 is specifically a first lubricating channel, a plurality of liquid circulation holes are radially arranged on the bushing 3, the first lubricating channel is communicated with the first medium liquid extrusion cavity 143 through the plurality of liquid circulation holes, medium liquid can be filled in the first medium liquid extrusion cavity 143 and respectively enters the first lubricating channel through the liquid circulation holes, and then the medium liquid in the first lubricating channel flows back to the first medium liquid pool or the cavity under the action of gravity.
In this embodiment, as shown in fig. 1, a second groove recessed toward the inner side of the bushing 3 is formed on the outer side wall of the bushing 3 installed in the second bushing installation seat 15, the bushing 3 is installed in the second bushing installation seat 15, a second medium liquid squeezing cavity 154 is defined between the second groove and the second bushing installation seat 15, the second medium liquid squeezing cavity 154 is communicated with the second medium liquid input channel 152, and the second medium liquid squeezing cavity 154 in this embodiment is of a cylindrical structure; the lubricating channel arranged between the bushing 3 and the shaft sleeve 4 of the bushing mounting seat II 15 is specifically a lubricating channel II, a plurality of liquid circulation holes are radially arranged on the bushing 3, the lubricating channel II is communicated with the medium liquid extrusion cavity II 154 through the liquid circulation holes, medium liquid can be filled in the medium liquid extrusion cavity II 154 and respectively enters the lubricating channel II through the liquid circulation holes, and then the medium liquid in the lubricating channel II flows back to the medium liquid pool or the cavity under the action of gravity.
Further, it should be noted that the shaft bushing 3 in this embodiment may have various structures, and in the case that the shaft bushing 3 in this embodiment is not provided with a liquid flowing hole, the medium liquid may be fed into the first sliding passage and the second sliding passage in other manners, for example, the medium liquid is fed from the upper portion of the shaft bushing 3, and the medium liquid flows into the first sliding passage and the second sliding passage under the action of gravity.
In the present embodiment, as shown in fig. 1, the plurality of submerged pumps 1 have the same configuration, and other submerged pump having a different configuration may be used as the submerged pump 1, so that the medium liquid can be transported easily. It should be noted that the "medium liquid" in this embodiment may be a liquid easily-solidified medium such as molten salt, liquid sulfur, or the like.
In an embodiment of the present invention, as shown in fig. 1, the easily solidified medium conveying system further includes: and the first lubricating medium liquid conveying branch pipe is used for conveying lubricating medium liquid, one end of the first lubricating medium liquid conveying branch pipe is connected with the lubricating medium liquid conveying pipe 2 and communicated with the lubricating medium liquid conveying pipe 2, and the other end of the first lubricating medium liquid conveying branch pipe is close to the upper end of the shaft bushing 3 and is connected to the submerged pump 1 and communicated with the lubricating channel.
In the present embodiment, as shown in fig. 1, a first branch pipe for conveying a first medium for lubrication fluid is provided, one end of the first branch pipe for lubricating fluid is connected to the first branch pipe for lubricating fluid 2, and the other end is connected to the submerged pump 1 near the upper end of the shaft bushing 3 and is communicated with the lubrication passage, so that the first branch pipe for lubricating fluid in the present embodiment includes a first branch pipe for lubricating fluid 21 and a second branch pipe for lubricating fluid 22, and the first branch pipe for lubricating fluid is connected to the submerged pump 1 and is communicated with the lubrication passage.
In an embodiment of the present invention, as shown in fig. 1, a plurality of bushings 3 are arranged at intervals, the pump shaft 10 sequentially passes through the plurality of bushings 3, and a plurality of shaft sleeves 4 are arranged on the pump shaft 10 one by one opposite to the plurality of bushings 3, and the shaft sleeves 4 are respectively sleeved on the periphery of the pump shaft 10;
the first lubricating medium liquid conveying branch pipes are provided with a plurality of first lubricating medium liquid conveying branch pipes, one ends of the first lubricating medium liquid conveying branch pipes are respectively connected with the first lubricating medium liquid conveying pipe 2 and communicated with the first lubricating medium liquid conveying pipe 2, and the other ends of the first lubricating medium liquid conveying branch pipes are respectively close to the upper end of the shaft bushing 3 and are connected to the submerged pump 1 and communicated with the lubricating channel.
In this embodiment, as shown in fig. 1, by providing a plurality of bushings 3 and a plurality of shaft sleeves 4, it is convenient to improve the stability of the rotation of the pump shaft 10 in the submerged pump 1, and one end of the first branch pipe for delivering the lubricating medium liquid is connected to the submerged pump 1 near the upper end of the bushings 3, respectively, and the other end of the first branch pipe for delivering the lubricating medium liquid is connected to the submerged pump 1 near the upper end of the bushings 3 and is communicated with the lubricating passage, so as to deliver the medium liquid to the lubricating passage between the plurality of bushings 3 and the plurality of shaft sleeves 4 through the branch pipe for delivering the lubricating medium liquid, respectively.
The utility model discloses an embodiment, is equipped with on-off control valve one on the lubricated medium liquid delivery branch pipe one respectively. In the embodiment, the first on-off control valves are respectively arranged on the first lubricating medium liquid conveying branch pipes, so that the first lubricating medium liquid conveying branch pipes can be opened or closed through the first on-off control valves as required, the first on-off control valves can be selectively opened as required to convey medium liquid to the lubricating channel between the shaft bushing 3 and the shaft sleeve 4, and the first on-off control valves can be selectively closed as required to stop conveying the medium liquid to the lubricating channel between the shaft bushing 3 and the shaft sleeve 4; further, the on-off control valve in this embodiment is not shown.
In an embodiment of the present invention, as shown in fig. 4, the easily solidified medium conveying system further includes:
the medium liquid output pipe is used for conveying medium liquid, one end of the medium liquid output pipe is connected to the submerged pump 1 and communicated with the cavity, and the other end of the medium liquid output pipe extends upwards to form a medium liquid output end;
and the lubricating medium liquid conveying branch pipes II 20 are provided with a plurality of lubricating medium liquid conveying branch pipes for conveying medium liquid for lubrication, one ends of the lubricating medium liquid conveying branch pipes II 20 are respectively connected with the lubricating medium liquid conveying pipe 2 and communicated with the lubricating medium liquid conveying pipe 2, and the other ends of the lubricating medium liquid conveying branch pipes II 20 are respectively connected with a medium liquid output pipe and communicated with a medium liquid output pipe.
In this embodiment, as shown in fig. 4, the medium liquid output pipe facilitates the output of the medium liquid from the submerged pump 1, and in addition, the plurality of lubricating medium liquid delivery branch pipes two 20 are provided, one end of each of the plurality of lubricating medium liquid delivery branch pipes two 20 is connected to the lubricating medium liquid delivery pipe 2, and the other end of each of the lubricating medium liquid delivery branch pipes two 20 is connected to the medium liquid output pipe, thereby facilitating the delivery of the medium liquid into the medium liquid output pipe of the submerged pump 1 through the lubricating medium liquid delivery branch pipes two 20, and facilitating to avoid the influence of the accumulation and solidification of the medium remaining in the medium liquid output pipe on the submerged pump 1 of the standby machine or the shutdown on the delivery of the medium liquid from the medium liquid output pipe when the submerged pump 1 is started. The medium liquid output pipe in this embodiment includes a liquid outlet connecting pipe 18 and a liquid outlet pipe 19, and the lower end of the liquid outlet connecting pipe 18 is connected to the pump head 16.
The utility model discloses an embodiment is equipped with on-off control valve two on the lubricated medium liquid delivery branch pipe two 20 respectively. In the embodiment, the second lubricating medium liquid conveying branch pipes 20 are respectively provided with the second on-off control valves, so that the second lubricating medium liquid conveying branch pipes 20 can be opened or closed conveniently through the second on-off control valves according to needs, the second on-off control valves can be selectively opened according to needs to convey medium liquid into the medium liquid output pipes, and the second on-off control valves can be selectively closed according to needs to stop conveying the medium liquid into the medium liquid output pipes; further, the second on-off control valve in this embodiment is not shown.
The utility model discloses an embodiment, as shown in FIG. 1, submerged pump 1 is last to be equipped with a plurality of axle bush mount pads along the extending direction interval of pump shaft 10, is equipped with vertical through-hole in the axle bush mount pad respectively, and pump shaft 10 passes vertical through-hole, and axle bush 3 is installed in vertical through-hole, and the one end of lubricated with medium liquid transport branch pipe one is connected respectively on the axle bush mount pad and with lubricated passageway intercommunication. In the embodiment, the shaft bushing 3 is convenient to mount by arranging the shaft bushing mounting seats which are respectively provided with vertical through holes; furthermore, one end of the first lubricating medium liquid conveying branch pipe is convenient to be arranged on the bushing mounting seat.
In the present embodiment, as shown in fig. 1 to 3, the bushing mount in the present embodiment includes a first bushing mount 14 and a second bushing mount 15, the bushings 3 are respectively mounted in the first bushing mount 14 and the second bushing mount 15, and the pump shaft 10 is provided with a shaft sleeve 4 corresponding to the bushings 3; further, the bushing mounts may be provided with three, four, etc.
The utility model discloses an embodiment, the week side of lubricated medium liquid conveyer pipe 2, lubricated medium liquid conveying branch pipe one is equipped with the insulation cover respectively. In the embodiment, the heat preservation sleeves are used for respectively preserving the heat of the lubricating medium liquid conveying pipe 2 and the lubricating medium liquid conveying branch pipe I, so that the heat loss of the medium liquid flowing in the lubricating medium liquid conveying pipe 2 and the lubricating medium liquid conveying branch pipe I can be reduced, more temperature is reduced, the medium liquid is still higher in temperature after being conveyed into the lubricating channel through the lubricating medium liquid conveying pipe 2 and the lubricating medium liquid conveying branch pipe I, the medium liquid can be ensured to be capable of reliably lubricating and supplementing heat to the lubricating channel, and the medium accumulation and solidification in the lubricating channel are avoided; it should be noted that the heat insulating jacket in this embodiment is not shown, and the heat insulating jacket in this embodiment may adopt a sleeve type heat insulating structure, and the heat insulating jacket is connected to a heat insulating system and a heat insulating fluid delivery pipe is used to input a heat insulating fluid into the heat insulating jacket to realize heat insulation, and the heat insulating fluid may be high-temperature steam or the like.
The utility model discloses an embodiment, medium liquid conveyor 6 is equipped with a plurality ofly, and every medium liquid conveyor 6 is connected and can be respectively through lubricated medium liquid conveyer pipe 2 to the lubrication channel input medium liquid of submerged pump 1 with a plurality of submerged pump 1 through lubricated medium liquid conveyer pipe 2 for. In this embodiment, through being equipped with a plurality of medium liquid conveyor 6, be convenient for reliably to the lubricated passageway input medium liquid, and can control the flow of the medium liquid of input respectively, be favorable to respectively importing the medium liquid that is fit for the flow to the lubricated passageway of the submerged pump 1 of operation and the submerged pump 1 of standby machine, when guaranteeing that can reliably avoid having the medium accumulation to solidify in the lubricated passageway in the submerged pump 1 of operation and the submerged pump 1 of standby machine, reduce the flow to the medium liquid of input in the lubricated passageway, reduce the energy consumption. It should be noted that, in the present embodiment, the case where a plurality of medium liquid conveying devices 6 are provided is not illustrated, and specific installation manners of the medium liquid conveying devices 6 may be various, and are not described again.
The utility model discloses an embodiment, easily solidify medium conveying system still includes: and the control unit is electrically connected with the medium liquid conveying device 6. In this embodiment, the control unit is provided, and the medium liquid delivery device 6 is electrically connected to the control unit, so that the medium liquid delivery device 6 can be controlled by the control unit, which is beneficial to automatically controlling the movement time and the operation power of the medium liquid delivery device 6 by the control unit, so that the medium liquid delivery device 6 outputs a proper amount of medium liquid into the lubrication channel; further, the control unit in this embodiment is not illustrated.
In addition, except the technical scheme disclosed in this embodiment, to the utility model provides a molten salt pump, the conventional technical scheme in this technical field can be referred to other structures of control unit, submerged pump 1 etc. and these conventional technical schemes are also not the key point of the utility model, the utility model discloses do not state in detail here.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A settable medium delivery system, comprising:
the submerged pump comprises a plurality of submerged pumps, wherein pump shafts are vertically arranged in the submerged pumps from top to bottom, a rotary driving device is arranged at the upper end of each submerged pump, the upper ends of the pump shafts are in transmission connection with the rotary driving device, pump heads used for sucking medium liquid and sending out the sucked medium liquid are arranged at the lower ends of the submerged pumps, cavities are formed in the pump heads, the lower ends of the pump shafts extend into the cavities, impellers are connected to the lower ends of the pump shafts, and the impellers are located in the cavities;
the submerged pump is characterized in that a bushing is further arranged inside the submerged pump, the pump shaft penetrates through the bushing, a shaft sleeve is arranged on the pump shaft and faces the bushing, the shaft sleeve is sleeved on the periphery of the pump shaft, a gap is formed between the shaft sleeve and the bushing to form a lubricating channel, and the lubricating channel is communicated with the cavity;
the medium liquid conveying device is used for conveying medium liquid to the lubricating channel between the shaft sleeve and the shaft bushing in the submerged pump so as to lubricate the lubricating channel, and an output end for outputting the medium liquid is arranged on the medium liquid conveying device;
one end of the lubricating medium liquid conveying pipe is connected with the output end of the medium liquid conveying device, and the other end of the lubricating medium liquid conveying pipe, close to the upper end of the shaft bushing, is connected to the submerged pump and is communicated with the lubricating channel.
2. The solidifiable medium delivery system of claim 1, further comprising:
the lubricating medium liquid conveying branch pipe I is used for conveying medium liquid for lubrication, one end of the lubricating medium liquid conveying branch pipe I is connected with the lubricating medium liquid conveying pipe and communicated with the lubricating medium liquid conveying pipe, and the other end of the lubricating medium liquid conveying branch pipe I is close to the upper end of the shaft bushing and is connected to the submerged pump and communicated with the lubricating channel.
3. The easily-solidified medium conveying system according to claim 2, wherein a plurality of bushings are arranged at intervals, the pump shaft sequentially penetrates through the plurality of bushings, a plurality of shaft sleeves are arranged on the pump shaft in a manner of being opposite to the plurality of bushings one by one, and the shaft sleeves are respectively sleeved on the peripheral sides of the pump shaft;
the first lubricating medium liquid conveying branch pipe is provided with a plurality of first lubricating medium liquid conveying branch pipes, one end of each first lubricating medium liquid conveying branch pipe is connected with the corresponding lubricating medium liquid conveying pipe and communicated with the corresponding lubricating medium liquid conveying pipe, and the other end of each first lubricating medium liquid conveying branch pipe is close to the upper end of the shaft bushing and connected to the submerged pump and communicated with the corresponding lubricating channel.
4. The easy-to-solidify medium conveying system of claim 3, wherein the first lubricating medium liquid conveying branch pipes are respectively provided with a first switch control valve.
5. The solidifiable medium delivery system of claim 2 or 3, further comprising:
the medium liquid output pipe is used for conveying medium liquid, one end of the medium liquid output pipe is connected to the submerged pump and communicated with the cavity, and the other end of the medium liquid output pipe extends upwards to form a medium liquid output end;
and the other end of the second lubricating medium liquid conveying branch pipe is respectively connected with the medium liquid output pipe and communicated with the medium liquid output pipe.
6. The easily solidified medium conveying system according to claim 5, wherein a second on-off control valve is provided on each of the second lubricating medium liquid conveying branch pipes.
7. The easily-solidified medium conveying system according to claim 3, wherein a plurality of bushing installation seats are arranged on the submerged pump at intervals along the extending direction of the pump shaft, vertical through holes are respectively formed in the bushing installation seats, the pump shaft penetrates through the vertical through holes, the bushings are installed in the vertical through holes, and one end of the first lubricating medium liquid conveying branch pipe is connected to the bushing installation seats respectively and is communicated with the lubricating channel.
8. The easily solidified medium transporting system according to claim 3, wherein a thermal insulating sleeve is respectively sleeved on the lubricating medium liquid transporting pipe and the lubricating medium liquid transporting branch pipe.
9. A solidifiable medium conveying system as claimed in any one of claims 1 to 4 and 6 to 8, wherein a plurality of medium liquid conveying devices are provided, each medium liquid conveying device is connected with a plurality of submerged pumps through the lubricating medium liquid conveying pipes, and medium liquid can be respectively conveyed to the lubricating channels of the submerged pumps through the lubricating medium liquid conveying pipes.
10. The solidifiable medium delivery system of any one of claims 1-4 and 6-8, further comprising:
and the medium liquid conveying device is electrically connected with the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120240903.2U CN214464926U (en) | 2021-01-28 | 2021-01-28 | Easily solidify medium conveying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120240903.2U CN214464926U (en) | 2021-01-28 | 2021-01-28 | Easily solidify medium conveying system |
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| CN214464926U true CN214464926U (en) | 2021-10-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263617A (en) * | 2021-12-16 | 2022-04-01 | 江苏京川水设备有限公司 | Spiral rising type efficient molten salt pump |
| CN114382699A (en) * | 2021-12-16 | 2022-04-22 | 江苏京川水设备有限公司 | Vertical long-shaft molten salt pump |
| CN114810617A (en) * | 2021-01-28 | 2022-07-29 | 山西潞安煤基清洁能源有限责任公司 | Method and conveying device for preventing medium from being bonded with bushing and shaft sleeve of submerged pump |
-
2021
- 2021-01-28 CN CN202120240903.2U patent/CN214464926U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810617A (en) * | 2021-01-28 | 2022-07-29 | 山西潞安煤基清洁能源有限责任公司 | Method and conveying device for preventing medium from being bonded with bushing and shaft sleeve of submerged pump |
| CN114810617B (en) * | 2021-01-28 | 2024-02-06 | 山西潞安煤基清洁能源有限责任公司 | Method and conveying device for preventing medium from binding shaft bushing and shaft sleeve of submerged pump |
| CN114263617A (en) * | 2021-12-16 | 2022-04-01 | 江苏京川水设备有限公司 | Spiral rising type efficient molten salt pump |
| CN114382699A (en) * | 2021-12-16 | 2022-04-22 | 江苏京川水设备有限公司 | Vertical long-shaft molten salt pump |
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