CN113048067B - High-stability magnetic centrifugal pump suitable for high-temperature high-pressure working condition - Google Patents
High-stability magnetic centrifugal pump suitable for high-temperature high-pressure working condition Download PDFInfo
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- CN113048067B CN113048067B CN202110394086.0A CN202110394086A CN113048067B CN 113048067 B CN113048067 B CN 113048067B CN 202110394086 A CN202110394086 A CN 202110394086A CN 113048067 B CN113048067 B CN 113048067B
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- centrifugal pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 214
- 238000001816 cooling Methods 0.000 claims description 89
- 239000007788 liquid Substances 0.000 claims description 40
- 238000007667 floating Methods 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 4
- 238000005188 flotation Methods 0.000 description 13
- 239000011324 bead Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 10
- 230000008020 evaporation Effects 0.000 description 10
- 239000000110 cooling liquid Substances 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 239000012634 fragment Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the technical field of centrifugal pumps, in particular to a high-stability magnetic centrifugal pump suitable for high-temperature high-pressure working conditions; comprises a prime motor and an impeller; the right side surface of the prime motor is fixedly connected with a pump shell; a power cavity is formed in the pump shell; an impeller is rotatably connected in the power cavity; a water inlet pipe is fixedly connected to the right side surface of the pump shell; the top of the pump shell is provided with a water outlet hole; an adjusting sleeve is fixedly connected inside the water outlet hole; the first springs are fixedly connected with the inside of the adjusting sleeve and are uniformly arranged; the inner surface of the pump shell is provided with a reflow hole; the invention effectively realizes the basic operation of the magnetic centrifugal pump, reserves the cyclic utilization of basic water of the centrifugal pump, avoids the idling of the magnetic centrifugal pump, prolongs the service life of the magnetic centrifugal pump, can automatically regulate the water outlet flow, and reduces the water loss under the condition of insufficient water outlet.
Description
Technical Field
The invention belongs to the technical field of centrifugal pumps, and particularly relates to a high-stability magnetic centrifugal pump suitable for high-temperature and high-pressure working conditions.
Background
The centrifugal pump is a pump for conveying liquid by the centrifugal force generated when the impeller rotates, and the magnetic centrifugal pump is a high-tech product which uses the working principle of the permanent magnet coupling for the centrifugal pump, has reasonable design and advanced process, and has the characteristics of full sealing, no leakage, corrosion resistance and the like.
According to the CN1928369A magnetic centrifugal pump, the bearing component of the magnetic centrifugal pump provided by the invention adopts silicon carbide materials with high bending strength, so that the bending strength of the bearing component can be greatly improved, the bearing has good impact resistance, large bearing moment and long service life, and meanwhile, the wear resistance of the bearing component can meet the use requirement, and the use performance and reliability of the magnetic centrifugal pump are improved.
However, in the prior art, the efficiency of the magnetic centrifugal pump is lower than that of a common centrifugal pump, the magnetic centrifugal pump cannot operate under the condition that the flow is 30% of the rated flow, idle running is prohibited, and meanwhile, when the temperature of a transmission receiving medium of the magnetic centrifugal pump exceeds a preset temperature, the magnetic centrifugal pump needs to be cooled externally, for example, a heat insulation cavity is arranged, cooling liquid with the pressure higher than the sealing pressure is injected into the pump cavity to cool the inner magnetic rotor and the bearing, or a spacer with an interlayer is adopted, cooling liquid is introduced into the interlayer, or a cooling jacket, a cooling coil pipe and the like are arranged in a pump body, so that the magnetic centrifugal pump has the problems of complex structure, high cost and the like.
In view of the above, the present invention provides a magnetic centrifugal pump with high stability suitable for high temperature and high pressure conditions, which solves the above technical problems.
Disclosure of Invention
In order to make up the efficiency of the magnetic centrifugal pump in the prior art lower than that of the common centrifugal pump, the magnetic centrifugal pump can not run under 30% of the low rated flow, idle running is forbidden, and meanwhile, when the temperature of the magnetic centrifugal pump conveying receiving medium exceeds the preset temperature, the magnetic centrifugal pump needs to be externally cooled, for example, a heat insulation cavity is arranged, cooling liquid with the pressure higher than the sealing pressure is injected into the pump cavity, an inner magnetic rotor and a bearing are cooled, an isolation sleeve with an interlayer can be adopted, cooling liquid is introduced into the interlayer, or a cooling jacket, a cooling coil pipe and the like are arranged in a pump body, but the magnetic centrifugal pump with high stability is suitable for the problems of complex structure, high cost and the like.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a high-stability magnetic centrifugal pump suitable for a high-temperature high-pressure working condition, which comprises a prime motor and an impeller; the right side surface of the prime motor is fixedly connected with a pump shell; a power cavity is formed in the pump shell; an impeller is rotatably connected in the power cavity, and the impeller is fixedly connected with an output shaft of the prime motor; a water inlet pipe is fixedly connected to the right side surface of the pump shell; the top of the pump shell is provided with a water outlet hole; an adjusting sleeve is fixedly connected inside the water outlet hole; the adjusting sleeve is made of soft elastic materials; the first springs are fixedly connected with the inside of the adjusting sleeve and are uniformly arranged; the inner surface of the pump shell is provided with a backflow hole, and the backflow hole is communicated with the water inlet pipe; when in work, the centrifugal pump refers to a pump which conveys liquid by centrifugal force generated when the impeller rotates, the magnetic centrifugal pump is a high-tech product which uses the working principle of the permanent magnet coupling for the centrifugal pump, has the characteristics of reasonable design, advanced process, full sealing, no leakage, corrosion resistance and the like, the efficiency of the magnetic centrifugal pump is lower than that of the common centrifugal pump, the magnetic centrifugal pump cannot run at 30 percent of the low rated flow, idle running is more forbidden, meanwhile, when the temperature of the magnetic centrifugal pump conveying medium exceeds the specified temperature, the magnetic centrifugal pump needs to be externally provided with cooling, such as a heat insulation cavity, the pump cavity is filled with cooling liquid with pressure higher than the sealing pressure, the inner magnetic rotor and the bearing are cooled, an isolation sleeve with an interlayer can be adopted, the interlayer is filled with cooling liquid, or the pump body is provided with a cooling jacket, a cooling coil pipe and the like, but the magnetic centrifugal pump has the problems of complex structure, high cost and the like, when the water inlet pipe of the centrifugal pump is insufficient in water inlet, the water pressure in the pump shell is low, the requirement of more than 30% of rated flow cannot be guaranteed at the moment, even the idling phenomenon is easy to occur, the adjusting sleeve is arranged in the water outlet, when the water pressure in the pump shell is insufficient, the adjusting sleeve blocks the water outlet under the action of the elasticity of the first spring, so that the opening of the water outlet is reduced and even completely closed, at the moment, water in the pump shell can flow back into the water inlet pipe through the backflow hole, and then the operation of the electromagnetic centrifugal pump is re-participated, the basic operation of the magnetic centrifugal pump is effectively realized, the cyclic utilization of basic water of the centrifugal pump is reserved, the idling of the magnetic centrifugal pump is avoided, the service life of the magnetic centrifugal pump is prolonged, the water outlet flow is automatically adjusted at the same time, and under the condition of insufficient water outlet, the water loss is reduced.
Preferably, the inner surface of the water inlet pipe is provided with an adjusting groove; the notch of the adjusting groove is fixedly connected with a heat-conducting plate; an expansion bag is fixedly connected to the position, close to the heat conducting plate, inside the adjusting groove; a sliding plate is fixedly connected to the bottom of the expansion bag; a second spring is fixedly connected between the sliding plate and the bottom of the adjusting groove; the bottom of the adjusting groove is fixedly connected with a first telescopic rod; the inside of the water inlet pipe is provided with a guide groove; a guide plate is connected in the guide groove in a sliding manner; a second telescopic rod is fixedly connected between the guide plate and the bottom of the guide groove, and the second telescopic rod is communicated with the first telescopic rod; a cooling cavity is formed in the water inlet pipe; the cooling cavity is internally fixedly connected with a cooling pipe, and openings at two ends of the cooling pipe are respectively positioned at two sides of the guide plate; during operation, through setting up heat-conducting plate and cooling tube, when the inside water temperature of inlet tube is higher, when the temperature exceeded the prescribed value, the temperature of water can pass through the heat-conducting plate and transmit for the expansion bag for the inside liquid evaporation of expansion bag, and then the expansion bag inflation, the expansion bag can drive the slide and slide, the slide can extrude first telescopic link, make the inside gas of first telescopic link enter into the inside of second telescopic link, the second telescopic link can drive the baffle and lead out the guide slot, can realize the shutoff to the inlet tube through the baffle, the inside of cooling tube can be led into through the inlet tube to water at this moment, then the inside of pump case can be led into through the cooling tube to water, the flow path of water has been increased by a wide margin through the cooling tube, realize the rapid cooling to water.
Preferably, the output shaft of the prime motor is fixedly connected with a first gear; a second gear is connected below the first gear in a meshed manner; the middle part of the second gear is fixedly connected with a core column; the surfaces of the core columns are fixedly connected with uniformly arranged fan blades; the side surface of one side of the inner part of the cooling cavity is fixedly connected with uniformly arranged jet heads; the side surface of the other side of the cooling cavity is provided with uniformly arranged radiating holes; during operation, through setting up the jet head, the output post through the prime mover rotates and can drive first gear and rotate, and first gear can drive the second gear and rotate, and the second gear can drive the stem and rotate, can drive the fan blade through the stem and rotate, realizes that gas flows to gas can be through jet head blowout, the cooling of water is accelerated.
Preferably, the cooling pipe is transversely connected with air guide pipes which are uniformly arranged, and two ends of the air guide pipes are respectively close to the air jet head and the radiating holes; during operation, through setting up the guide duct, through the connection of guide duct and cooling tube, under the circumstances that does not influence the inside water flow of cooling tube, increase water and external area of contact, the air flow can directly flow into the guide duct, improves the cooling efficiency of cooling tube.
Preferably, the inner part of the air guide pipe is fixedly connected with evenly arranged water spraying heads at the position of the cooling pipe, and the water spraying heads are communicated with the inner part of the cooling pipe; during operation, through setting up the sprinkler bead, when the inside of cooling tube flows water, a small amount of water can be spouted into the inside of guide duct through the sprinkler bead, and when the inside air current of guide duct flowed, through the quick evaporation of sprinkler bead spun water, the cooling with higher speed improves the cooling effect.
Preferably, the inner surface of the air guide pipe is provided with uniformly arranged grooves; the bottom of the air guide pipe is fixedly connected with a water storage tank at the position of the groove, and the water storage tanks are communicated with the groove; during operation, through setting up the water storage tank in the bottom of guide duct, when the inside of cooling tube keeps flowing water, sprinkler bead spun water is more, and water can be in the inside accumulation of guide duct, influences the normal wind-guiding cooling of guide duct, through the water storage tank, the inside accumulative unnecessary water of guide duct can be quick collect and flow into the inside of slot, the inside of leading into corresponding water storage tank through the slot.
Preferably, the middle part of the water storage tank is fixedly connected with a guide rod; the surface of the guide rod is connected with a sliding block in a sliding way; the surface of the sliding block is fixedly connected with a floating bag; the side surface of the guide rod is fixedly connected with a pressing plate at a position close to the top of the guide rod; a third spring is fixedly connected between the pressing plate and the air guide pipe; the top surfaces of the pressing plates are fixedly connected with first liquid bags; during operation, through setting up guide arm and flotation cell, when the continuous water spray of sprinkler bead, the inside water of water storage tank can be continuous increase, and water can make the flotation cell float, and the first liquid bag at top can be extruded to final flotation cell, and the first liquid bag through extrusion state can control the timely closing of sprinkler bead.
Preferably, a guide hole is formed in the middle of the guide rod; the side surface of the guide rod is provided with uniformly arranged air holes close to the bottom of the guide rod; the inside of the air hole is fixedly connected with a one-way valve; a spring plate is fixedly connected to the position, close to the guide rod, inside the air guide pipe; the side surface of the elastic sheet is provided with a second liquid bag, and the second liquid bag is communicated with the first liquid bag; during operation, through setting up the shell fragment, when first liquid bag received the extrusion, the inside of second liquid bag was impressed to the inside of first liquid bag, realized the bending deformation of shell fragment through the second liquid bag, and then the shell fragment can block up the guide duct, and gas can directly flow to the water storage jar through the guide hole to flow downwards through the water storage jar, guarantee the evaporation of the inside ponding of water storage jar.
Preferably, the bottom surface of the air guide pipe is fixedly connected with an air pipe at the inner position of the water storage tank, and the air pipe is positioned at a groove position close to one side of the prime motor; during operation, through setting up the trachea, when gas flows into the inside of water storage jar through the trachea, can not produce great flow impact to the flotation cell, and gaseous also can stir the inside water of water storage jar simultaneously, accelerates the evaporation of water, improves the cooling effect, and when water storage jar initial stage is flowed into to the rivers simultaneously, the inside that gas can not directly flow into the water storage jar, avoids the normal work of air current interference floater.
Preferably, first connecting holes which are uniformly arranged are formed in the side face of the guide rod at the position of the sliding block; the side surface of the sliding block is provided with second connecting holes which are uniformly arranged; the floating balls which are uniformly arranged are arranged in the floating bag; during operation, through seting up first connecting hole and second even hole, when the guide duct blocks up, gas can enter into the inside of flotation cell through first connecting hole and second even hole for flotation cell inflation promotes the overflow of water, increases the time that gas passes through the water storage jar simultaneously, simultaneously through setting up even floater in the inside of flotation cell, has avoided when no gas enters into the flotation cell, and the floater can play basic floating effect.
The beneficial effects of the invention are as follows:
1. the invention relates to a high-stability magnetic centrifugal pump suitable for high-temperature high-pressure working conditions, which is characterized in that a prime motor and an impeller are arranged; the impeller is driven by the prime motor to rotate in the pump shell, when the water in the pump shell is insufficient, the backflow of the water can be realized, the basic operation of the magnetic centrifugal pump is effectively realized, the cyclic utilization of basic water of the centrifugal pump is reserved, the idling of the magnetic centrifugal pump is avoided, the service life of the magnetic centrifugal pump is prolonged, the water outlet flow can be automatically regulated, and the water loss is reduced under the condition of insufficient water outlet quantity.
2. The invention relates to a high-stability magnetic centrifugal pump suitable for high-temperature high-pressure working conditions, which is characterized by comprising an air guide pipe and a water storage tank; when water flows through the inside of the cooling pipe, a small amount of water can be sprayed into the air guide pipe through the water spray head, and when the air flow in the air guide pipe flows, the water sprayed through the water spray head is quickly evaporated, so that the cooling is accelerated, and the cooling effect is improved; simultaneously through setting up the water storage tank in the bottom of guide duct, when the inside of cooling tube is continuous to flow water, sprinkler bead spun water is more, and water can be in the inside accumulation of guide duct, influences the normal wind-guiding cooling of guide duct, through the water storage tank, the inside accumulative unnecessary water of guide duct can be quick collect and flow into the inside of slot, the inside of leading into corresponding water storage tank through the slot.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a partial enlarged view at B in FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 4 at C;
FIG. 6 is a partial enlarged view at D in FIG. 5;
in the figure: the device comprises a prime motor 1, an impeller 2, a water inlet pipe 3, an adjusting sleeve 4, a first spring 5, a backflow hole 6, a heat conducting plate 7, an expansion bag 8, a sliding plate 9, a second spring 10, a first telescopic rod 11, a guide plate 12, a second telescopic rod 13, a cooling pipe 14, a first gear 15, a second gear 16, a core column 17, fan blades 18, a heat dissipation hole 19, a wind guide pipe 20, a jet head 21, a water spray head 22, a water storage tank 23, a guide rod 24, a sliding block 25, a floating bag 26, a pressing plate 27, a third spring 28, a first liquid bag 29, a spring piece 30, a second liquid bag 31, a gas pipe 32 and a floating ball 33.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 6, the magnetic centrifugal pump with high stability, which is applicable to high-temperature and high-pressure working conditions, comprises a prime motor 1 and an impeller 2; the right side surface of the prime motor 1 is fixedly connected with a pump shell; a power cavity is formed in the pump shell; the inside of the power cavity is rotationally connected with an impeller 2, and the impeller 2 is fixedly connected with an output shaft of the prime motor 1; the right side surface of the pump shell is fixedly connected with a water inlet pipe 3; the top of the pump shell is provided with a water outlet hole; an adjusting sleeve 4 is fixedly connected inside the water outlet hole; the adjusting sleeve 4 is made of soft elastic materials; the first springs 5 which are uniformly arranged are fixedly connected inside the adjusting sleeve 4; the inner surface of the pump shell is provided with a backflow hole 6, and the backflow hole 6 is communicated with the water inlet pipe 3; when in work, the centrifugal pump is a pump which conveys liquid by the centrifugal force generated by the rotation of the impeller 2, the magnetic centrifugal pump is a high-tech product which uses the working principle of a permanent magnet coupling for the centrifugal pump, has the characteristics of reasonable design, advanced process, full sealing, no leakage, corrosion resistance and the like, the efficiency of the magnetic centrifugal pump in the prior art is lower than that of the common centrifugal pump, the magnetic centrifugal pump cannot run at 30 percent of the flow rate which is lower than the rated flow rate, idle running is forbidden, and simultaneously, when the temperature of the magnetic centrifugal pump conveying medium exceeds the specified temperature, the magnetic centrifugal pump needs to be externally provided with cooling, such as a heat insulation cavity is arranged, the pump cavity is filled with cooling liquid with the pressure higher than the sealing pressure, a separation sleeve with an interlayer is adopted for cooling the inner magnetic rotor and the bearing, the interlayer is filled with the cooling liquid, or a cooling jacket, a cooling coil pipe is arranged in the pump body, and the like, but the structure is complex, the cost is higher and the like, through the high-stability magnetic centrifugal pump suitable for the high-temperature high-pressure working condition, when the water inlet pipe 3 of the centrifugal pump is insufficient in water inlet, the internal water pressure of the pump shell is lower, the requirement of more than 30% of rated flow can not be ensured at the moment, even the phenomenon of idling easily occurs, through arranging the adjusting sleeve 4 in the water outlet, when the internal water pressure of the pump shell is insufficient, the adjusting sleeve 4 blocks the water outlet under the elastic force of the first spring 5, the opening size of the water outlet is reduced, even completely closed, at the moment, water in the pump shell can flow back into the water inlet pipe 3 through the backflow hole 6 so as to further participate in the operation of the electromagnetic centrifugal pump, the invention effectively realizes the basic operation of the magnetic centrifugal pump, reserves the cyclic utilization of basic water of the centrifugal pump, avoids the idling of the magnetic centrifugal pump, prolongs the service life of the magnetic centrifugal pump, and simultaneously can automatically adjust the water outlet flow, and under the condition of insufficient water yield, the water loss is reduced.
As an embodiment of the invention, the inner surface of the water inlet pipe 3 is provided with an adjusting groove; the notch of the adjusting groove is fixedly connected with a heat conducting plate 7; an expansion bag 8 is fixedly connected to the position, close to the heat conducting plate 7, inside the adjusting groove; the bottom of the expansion bag 8 is fixedly connected with a sliding plate 9; a second spring 10 is fixedly connected between the sliding plate 9 and the bottom of the regulating groove; the bottom of the adjusting groove is fixedly connected with a first telescopic rod 11; a guide groove is formed in the water inlet pipe 3; the guide plate 12 is connected inside the guide groove in a sliding way; a second telescopic rod 13 is fixedly connected between the guide plate 12 and the bottom of the guide groove, and the second telescopic rod 13 is communicated with the first telescopic rod 11; a cooling cavity is formed in the water inlet pipe 3; the cooling cavity is internally fixedly connected with a cooling pipe 14, and openings at two ends of the cooling pipe 14 are respectively positioned at two sides of the guide plate 12; during operation, through setting up heat-conducting plate 7 and cooling tube 14, when the inside water temperature of inlet tube 3 is higher, when the temperature exceeds the prescribed value, the temperature of water can pass through heat-conducting plate 7 and give expansion bag 8, make the inside liquid evaporation of expansion bag 8, and then expansion bag 8 inflation, expansion bag 8 can drive slide plate 9 and slide, slide plate 9 can extrude first telescopic link 11, make the inside gas of first telescopic link 11 enter into the inside of second telescopic link 13, second telescopic link 13 can drive baffle 12 and export the guide slot, can realize the shutoff to inlet tube 3 through baffle 12, at this moment water can be through the inside of inlet tube 3 leading-in cooling tube 14, then the inside of water can be through the leading-in pump case of cooling tube 14, the flow path of water has been increased by a wide margin through cooling tube 14, realize the quick cooling to the water.
As an embodiment of the present invention, the output shaft of the prime mover 1 is fixedly connected with a first gear 15; a second gear 16 is connected below the first gear 15 in a meshed manner; a core column 17 is fixedly connected to the middle part of the second gear 16; the surface of the core column 17 is fixedly connected with uniformly arranged fan blades 18; the side surface of one side of the inner part of the cooling cavity is fixedly connected with evenly arranged jet heads 21; the side surface of the other side of the cooling cavity is provided with uniformly arranged radiating holes 19; during operation, through setting up the jet head 21, the output post through prime mover 1 rotates and can drive first gear 15 and rotate, and first gear 15 can drive second gear 16 and rotate, and second gear 16 can drive stem 17 and rotate, can drive fan blade 18 through stem 17 and rotate, realizes that the gas flows to the gas can be through jet head 21 blowout, the cooling of acceleration water.
As an embodiment of the present invention, the cooling pipe 14 is transversely connected with an air guiding pipe 20 which is uniformly arranged, and two ends of the air guiding pipe 20 are respectively close to the jet head 21 and the heat dissipation hole 19; during operation, through setting up guide duct 20, through the connection of guide duct 20 and cooling tube 14, under the circumstances that does not influence the inside water flow of cooling tube 14, increase water and external area of contact, the air flow can directly flow into guide duct 20, improves the cooling efficiency of cooling tube 14.
As an embodiment of the present invention, the inside of the air guide pipe 20 is fixedly connected with evenly arranged water spraying heads 22 at the position of the cooling pipe 14, and the water spraying heads 22 are communicated with the inside of the cooling pipe 14; during operation, through setting up sprinkler bead 22, when the inside of cooling tube 14 flows water, a small amount of water can be spouted into the inside of guide duct 20 through sprinkler bead 22, and when the inside air current of guide duct 20 flowed, through sprinkler bead 22 spun water rapid evaporation, the cooling with higher speed improves the cooling effect.
As an embodiment of the present invention, the inner surface of the air guide pipe 20 is provided with uniformly arranged grooves; the bottom of the air guide pipe 20 is fixedly connected with a water storage tank 23 at the position of the groove, and the water storage tanks 23 are communicated with the groove; in operation, by providing the water storage tank 23 at the bottom of the air guide duct 20, when the interior of the cooling duct 14 continues flowing water, the water sprayed from the water spray head 22 is more, the water can be accumulated in the air guide duct 20, the normal air guide cooling of the air guide duct 20 is affected, and the excessive water accumulated in the air guide duct 20 can be quickly collected and flowed into the groove through the water storage tank 23, and is guided into the corresponding water storage tank 23 through the groove.
As an embodiment of the invention, a guide rod 24 is fixedly connected to the middle part of the water storage tank 23; the surface of the guide rod 24 is connected with a sliding block 25 in a sliding manner; the surface of the sliding block 25 is fixedly connected with a buoyancy bag 26; a pressing plate 27 is fixedly connected to the side surface of the guide rod 24 near the top of the guide rod 24; a third spring 28 is fixedly connected between the pressing plate 27 and the air guide pipe 20; the top surfaces of the pressing plates 27 are fixedly connected with first liquid bags 29; in operation, by arranging the guide rod 24 and the buoyancy bag 26, when the sprinkler head 22 continuously sprays water, the water in the water storage tank 23 can be continuously increased, the water can cause the buoyancy bag 26 to float, and finally the buoyancy bag 26 can squeeze the first liquid bag 29 at the top, and the sprinkler head 22 can be controlled to be closed in time through the first liquid bag 29 in a squeezing state.
As an embodiment of the present invention, a guide hole is formed at the middle position of the guide rod 24; the side surface of the guide rod 24 is provided with uniformly arranged air holes at a position close to the bottom of the guide rod 24; the inside of the air hole is fixedly connected with a one-way valve; a spring plate 30 is fixedly connected to the inside of the air guide pipe 20 at a position close to the guide rod 24; the side surface of the elastic sheet 30 is provided with a second liquid bag 31, and the second liquid bag 31 is communicated with the first liquid bag 29; during operation, through setting up shell fragment 30, when first liquid bag 29 received the extrusion, the inside part liquid of first liquid bag 29 can be impressed to the inside of second liquid bag 31, has realized the bending deformation of shell fragment 30 through second liquid bag 31, and then shell fragment 30 can block up guide duct 20, and gas can flow to water storage tank 23 through the guide hole directly to flow downwards through water storage tank 23, guarantee the evaporation of the inside ponding of water storage tank 23.
As an embodiment of the present invention, the bottom surface of the air duct 20 is fixedly connected with an air pipe 32 at the inner position of the water storage tank 23, and the air pipe 32 is located at a groove position near one side of the prime mover 1; during operation, through setting up trachea 32, when gas flows into the inside of water storage jar 23 through trachea 32, can not produce great flow impact to flotation cell 26, and gaseous also can stir the inside water of water storage jar 23 simultaneously, accelerates the evaporation of water, improves the cooling effect, and simultaneously when rivers water storage jar 23 initial stage, gas can not directly flow into the inside of water storage jar 23, avoids the air current to disturb the normal work of floater 33.
As an embodiment of the present invention, the side surface of the guide rod 24 is provided with uniformly arranged first connecting holes at the position of the slide block 25; the side surface of the sliding block 25 is provided with second connecting holes which are uniformly arranged; the inside of the floating bag 26 is provided with floating balls 33 which are uniformly arranged; during operation, through seting up first connecting hole and second connecting hole, when guide duct 20 blocks up, gas can enter into the inside of flotation cell 26 through first connecting hole and second connecting hole for flotation cell 26 inflation promotes the overflow of water, increases the time that gas passes through water storage tank 23 simultaneously, simultaneously through setting up even floater 33 in the inside of flotation cell 26, has avoided when no gas enters into flotation cell 26, floater 33 can play basic floating effect.
The specific working procedure is as follows:
when the water inlet pipe 3 of the centrifugal pump is insufficient in water inlet, the water pressure in the pump shell is low, the requirement of more than 30% of rated flow cannot be guaranteed at the moment, even an idling phenomenon is easy to occur, the adjusting sleeve 4 is arranged in the water outlet, when the water pressure in the pump shell is insufficient, the adjusting sleeve 4 blocks the water outlet under the elastic force of the first spring 5, so that the opening of the water outlet is reduced in size and even completely closed, and water in the pump shell flows back into the water inlet pipe 3 through the backflow hole 6 at the moment, and then the operation of the electromagnetic centrifugal pump is participated again; when the temperature of water in the water inlet pipe 3 is higher than a specified value, the temperature of the water is transmitted to the expansion bag 8 through the heat conducting plate 7, so that the liquid in the expansion bag 8 is evaporated, the expansion bag 8 is expanded, the expansion bag 8 drives the sliding plate 9 to slide, the sliding plate 9 can squeeze the first telescopic rod 11, so that gas in the first telescopic rod 11 enters the second telescopic rod 13, the second telescopic rod 13 can drive the guide plate 12 to guide out of the guide groove, the water inlet pipe 3 can be plugged through the guide plate 12, at the moment, the water can be led into the cooling pipe 14 through the water inlet pipe 3, then the water can be led into the pump shell through the cooling pipe 14, the flow path of the water is greatly increased through the cooling pipe 14, and the rapid cooling of the water is realized; the output column of the prime motor 1 rotates to drive the first gear 15 to rotate, the first gear 15 drives the second gear 16 to rotate, the second gear 16 drives the core column 17 to rotate, the core column 17 drives the fan blade 18 to rotate, gas flow is achieved, the gas is sprayed out through the jet head 21, and the temperature of water is accelerated; through the connection of the air guide pipe 20 and the cooling pipe 14, the contact area between water and the outside is increased under the condition that the water flow in the cooling pipe 14 is not influenced, flowing gas can directly flow into the air guide pipe 20, and the cooling efficiency of the cooling pipe 14 is improved; by arranging the water spraying head 22, when water flows in the cooling pipe 14, a small amount of water can be sprayed into the air guide pipe 20 through the water spraying head 22, and when the air flow in the air guide pipe 20 flows, the water sprayed out through the water spraying head 22 is quickly evaporated, so that the cooling effect is improved; when the interior of the cooling pipe 14 continuously flows through water, more water is sprayed out by the water spray head 22, and the water can be accumulated in the air guide pipe 20 to influence the normal air guide and cooling of the air guide pipe 20, and the excessive water accumulated in the air guide pipe 20 can be quickly collected and flows into the groove through the water storage tank 23 and is guided into the corresponding water storage tank 23 through the groove; when the sprinkler head 22 continuously sprays water, the water in the water storage tank 23 is continuously increased, the water can cause the floating bag 26 to float, and finally the floating bag 26 can press the first liquid bag 29 at the top, and the first liquid bag 29 in the pressing state can control the sprinkler head 22 to be closed in time; when the first liquid bag 29 is extruded, part of liquid in the first liquid bag 29 is pressed into the second liquid bag 31, bending deformation of the elastic sheet 30 is realized through the second liquid bag 31, the elastic sheet 30 can block the air guide pipe 20, gas can directly flow to the water storage tank 23 through the guide hole and flow downwards through the water storage tank 23, and evaporation of accumulated water in the water storage tank 23 is guaranteed; when the gas flows into the water storage tank 23 through the gas pipe 32, larger flowing impact is not generated on the floating bag 26, meanwhile, the gas can stir water in the water storage tank 23, evaporation of the water is accelerated, cooling effect is improved, and meanwhile, when the water flows into the water storage tank 23 at the initial stage, the gas cannot directly flow into the water storage tank 23, so that the air flow is prevented from interfering with normal operation of the floating ball 33; when the air guide pipe 20 is blocked, air enters the inside of the floating bag 26 through the first connecting hole and the second connecting hole, so that the floating bag 26 is inflated to promote water overflow, the time for the air to pass through the water storage tank 23 is increased, and meanwhile, the even floating ball 33 is arranged in the floating bag 26, so that the floating ball 33 can play a basic floating role when no air enters the floating bag 26.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A high-stability magnetic centrifugal pump suitable for high-temperature high-pressure working conditions comprises a prime motor (1) and an impeller (2); the method is characterized in that: the right side surface of the prime motor (1) is fixedly connected with a pump shell; a power cavity is formed in the pump shell; an impeller (2) is rotatably connected in the power cavity, and the impeller (2) is fixedly connected with an output shaft of the prime motor (1); a water inlet pipe (3) is fixedly connected to the right side surface of the pump shell; the top of the pump shell is provided with a water outlet hole; an adjusting sleeve (4) is fixedly connected inside the water outlet hole; the adjusting sleeve (4) is made of soft elastic materials; the inside of the adjusting sleeve (4) is fixedly connected with first springs (5) which are uniformly arranged; the inner surface of the pump shell is provided with a backflow hole (6), and the backflow hole (6) is communicated with the water inlet pipe (3);
an adjusting groove is formed in the inner surface of the water inlet pipe (3); the notch of the adjusting groove is fixedly connected with a heat conducting plate (7); an expansion bag (8) is fixedly connected to the position, close to the heat conducting plate (7), inside the adjusting groove; the bottom of the expansion bag (8) is fixedly connected with a sliding plate (9); a second spring (10) is fixedly connected between the sliding plate (9) and the bottom of the regulating groove; the bottom of the adjusting groove is fixedly connected with a first telescopic rod (11); the inside of the water inlet pipe (3) is provided with a guide groove; a guide plate (12) is connected in a sliding manner in the guide groove; a second telescopic rod (13) is fixedly connected between the guide plate (12) and the bottom of the guide groove, and the second telescopic rod (13) is communicated with the first telescopic rod (11); a cooling cavity is formed in the water inlet pipe (3); the cooling cavity is internally fixedly connected with a cooling pipe (14), and openings at two ends of the cooling pipe (14) are respectively positioned at two sides of the guide plate (12);
the output shaft of the prime motor (1) is fixedly connected with a first gear (15); a second gear (16) is connected below the first gear (15) in a meshed manner; a core column (17) is fixedly connected to the middle part of the second gear (16); the surface of the core column (17) is fixedly connected with uniformly arranged fan blades (18); the side surface of one side of the inner part of the cooling cavity is fixedly connected with evenly arranged jet heads (21); the side surface of the other side of the cooling cavity is provided with uniformly arranged radiating holes (19);
the cooling pipe (14) is transversely connected with air guide pipes (20) which are uniformly arranged, and two ends of each air guide pipe (20) are respectively close to the air jet head (21) and the radiating holes (19);
the inside of the air guide pipe (20) is fixedly connected with water spraying heads (22) which are uniformly arranged at the position of the cooling pipe (14), and the water spraying heads (22) are communicated with the inside of the cooling pipe (14);
grooves which are uniformly distributed are formed in the inner surface of the air guide pipe (20); the bottoms of the air guide pipes (20) are fixedly connected with water storage tanks (23) at the positions of the grooves, and the water storage tanks (23) are communicated with the grooves;
the middle part of the water storage tank (23) is fixedly connected with a guide rod (24); the surface of the guide rod (24) is connected with a sliding block (25) in a sliding manner; the surface of the sliding block (25) is fixedly connected with a floating bag (26); a pressing plate (27) is fixedly connected to the side surface of the guide rod (24) close to the top of the guide rod (24); a third spring (28) is fixedly connected between the pressing plate (27) and the air guide pipe (20); the top surfaces of the pressing plates (27) are fixedly connected with first liquid bags (29);
a guide hole is formed in the middle of the guide rod (24); the side surface of the guide rod (24) is provided with uniformly arranged air holes at the position close to the bottom of the guide rod (24); the inside of the air hole is fixedly connected with a one-way valve; an elastic sheet (30) is fixedly connected to the inside of the air guide pipe (20) at a position close to the guide rod (24); the side of the elastic sheet (30) is provided with a second liquid bag (31), and the second liquid bag (31) is communicated with the first liquid bag (29).
2. The high-stability magnetic centrifugal pump applicable to high-temperature and high-pressure working conditions according to claim 1, wherein the magnetic centrifugal pump is characterized in that: the bottom surface of the air guide pipe (20) is fixedly connected with an air pipe (32) at the inner position of the water storage tank (23), and the air pipes (32) are positioned at the groove position close to one side of the prime motor (1).
3. The high-stability magnetic centrifugal pump applicable to high-temperature and high-pressure working conditions according to claim 2, wherein the magnetic centrifugal pump is characterized in that: the side surface of the guide rod (24) is provided with first connecting holes which are uniformly arranged at the position of the sliding block (25); the side surface of the sliding block (25) is provided with second connecting holes which are uniformly distributed; the inside of the floating bag (26) is provided with floating balls (33) which are uniformly arranged.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2612158A1 (en) * | 1976-03-23 | 1977-10-06 | Maschf Augsburg Nuernberg Ag | Heat exchanger for cooling water - has liquid in rectangular section conduit transversed at right angles by plain tubes carrying air |
| CN201593504U (en) * | 2009-12-09 | 2010-09-29 | 辽宁格瑞特泵业有限公司 | High-temperature medium self-sucking device |
| JP3168440U (en) * | 2011-04-01 | 2011-06-09 | 玄翰 徐 | Engine temperature control device |
| CN109282669A (en) * | 2017-07-21 | 2019-01-29 | 宋子豪 | A kind of Chemical Manufacture fountain cooler |
| CN208900365U (en) * | 2018-07-21 | 2019-05-24 | 浙江白云泵业有限公司 | A kind of horizontal linked self-priming pump group with sealing device |
| CN208966615U (en) * | 2018-07-23 | 2019-06-11 | 台州阳光电机泵业有限公司 | A kind of peripheral pump |
| CN212250611U (en) * | 2020-05-28 | 2020-12-29 | 玉锋实业集团有限公司 | Water pump self sealss heat sink |
| CN212615418U (en) * | 2020-05-30 | 2021-02-26 | 张伟康 | Pressure-controllable fluid machine |
-
2021
- 2021-04-13 CN CN202110394086.0A patent/CN113048067B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2612158A1 (en) * | 1976-03-23 | 1977-10-06 | Maschf Augsburg Nuernberg Ag | Heat exchanger for cooling water - has liquid in rectangular section conduit transversed at right angles by plain tubes carrying air |
| CN201593504U (en) * | 2009-12-09 | 2010-09-29 | 辽宁格瑞特泵业有限公司 | High-temperature medium self-sucking device |
| JP3168440U (en) * | 2011-04-01 | 2011-06-09 | 玄翰 徐 | Engine temperature control device |
| CN109282669A (en) * | 2017-07-21 | 2019-01-29 | 宋子豪 | A kind of Chemical Manufacture fountain cooler |
| CN208900365U (en) * | 2018-07-21 | 2019-05-24 | 浙江白云泵业有限公司 | A kind of horizontal linked self-priming pump group with sealing device |
| CN208966615U (en) * | 2018-07-23 | 2019-06-11 | 台州阳光电机泵业有限公司 | A kind of peripheral pump |
| CN212250611U (en) * | 2020-05-28 | 2020-12-29 | 玉锋实业集团有限公司 | Water pump self sealss heat sink |
| CN212615418U (en) * | 2020-05-30 | 2021-02-26 | 张伟康 | Pressure-controllable fluid machine |
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Effective date of registration: 20231109 Address after: No. 101, No. 8 Chengding Street, Zhongcun Street, Panyu District, Guangzhou City, Guangdong Province, 511495 Applicant after: Guangdong Jinli Heavy Industry Machinery Co.,Ltd. Address before: 213000, No. 112, Chahua Road, Zhonglou District, Changzhou City, Jiangsu Province Applicant before: Xu Yuxi |
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