CN108533524A - A kind of rotor part of environment-friendly type serum recycle pump group - Google Patents
A kind of rotor part of environment-friendly type serum recycle pump group Download PDFInfo
- Publication number
- CN108533524A CN108533524A CN201810481720.2A CN201810481720A CN108533524A CN 108533524 A CN108533524 A CN 108533524A CN 201810481720 A CN201810481720 A CN 201810481720A CN 108533524 A CN108533524 A CN 108533524A
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- China
- Prior art keywords
- bearing
- chamber
- pump
- cooling
- impeller
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
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 present invention provides a kind of rotor part of environment-friendly type serum recycle pump group,Fore bearing cooling chamber is provided on rotor part,Bearing cooling chamber afterwards,Postcooling chamber,Machine seals cooling chamber and cooling coil,And it is equipped with into liquid cooling tube interface and goes out liquid cooling tube interface,It is additionally provided with machine sealing chamber and balance interface tube,The serum recycle pump group using this rotor part is allowed to have the function for the bearing oil realization recycling for pumping dielectric leakage and leakage,Ensure clean environment health,Also there is lubricating oil,Bearing,Mechanical seal and the cooling of pump chamber or pre- hot function,Realize the residual axial force automatic balance function of pump,Grease chamber water inlet detection function,Mechanical seal leak detection function,The temperature detecting function and vibration detection function of bearing and lubricating oil,And it may insure slurry circulating pump conveying high temperature or low temperature slurry medium,Also it can be run in higher or lower environment,Because of its special design,Improve the efficiency of slurry circulating pump,Reduce former cost and the operation of pump,Maintenance and maintenance cost.
Description
Technical field
The present invention relates to slurry circulating pump fields, more particularly to a kind of rotor part of environment-friendly type serum recycle pump group.
Background technology
Serum recycle pump group is mainly used for the wet method fume desulfurizing system of Coal-fired group, aluminium manufacturer's alumina decomposition cycle
In system and other serum recycle systems.Wet Flue Gas Desulfurization Technique is national Coal-fired group focus on the application separation of flow technology, and oxygen
The decomposition for changing aluminium, then be the important generation technical process of aluminium manufacturer.So serum recycle pump group is in wet flue gas desulfurizer and oxygen
Change in aluminium Decomposition Cycle system and belongs to key equipment, and pump group rotor part is then the core component of serum recycle pump group, directly
Connect the service life and operating cost for determining pump group.
In wet method fume desulfurizing system, the medium of pump group conveying is lime stone slurry either gypsum slurries, corrosivity
It is big with abrasion, and slurries also contain other acid and alkali corrosion media during the separation of flow；In aluminium manufacturer's alumina decomposition cyclic system
The medium of system, pump group conveying is aluminum hydroxide slurry, contains a large amount of alkali and solid particle in slurries.China's vast area, ground
Domain circumstance of temperature difference is larger, and the running environment temperature difference of serum recycle pump group is larger.Since serum recycle pump group belongs in process system
It is extremely important in the safe and stable operation of key equipment, pump group.In addition the characteristic of pump group pumped (conveying) medium, serum recycle pump group belong to
Heavy service equipment, running temperature is relatively higher, and the leakage of slurries is very big to the pollution of environment.Existing slurry circulating pump skill
In art, and the dielectric leakages such as the whole synthesis runnability of not adequately addressed serum recycle pump group and slurries ask the pollution of environment
Topic, so the overall performance of pump group rotor part is considered not comprehensive enough.
In the prior art, pump group rotor part does not have bearing cooling system due to being not provided with bearing cooling chamber, pump group, when
In the environment of pump group operation heat in sight or when conveying high-temperature medium, bearing temperature increases, and because not having cooling bearing, can reduce pump group
Service life or damage pump group.When in pump group cold environment in sight, because not preheated to bearing, start moment in pump group
When can damage pump group；Due to being not provided with pump chamber cooling chamber, pump group does not have pump chamber cooling system, when pump group runs the ring of heat in sight
In border or when conveying high-temperature medium, the temperature of pump chamber and machine sealing chamber increases, when the concentration of pumped (conveying) medium or excessive grain size and pump
When export pipeline builds the pressure, the temperature of pump chamber and machine sealing chamber increases again, because that without cooling pump chamber and machine sealing chamber, can reduce pump group fortune
Row service life or damage pump group, and there are great operational safety hidden danger for pump group.In pump group cold environment in sight or conveying is low
When warm medium, because pump chamber and machine sealing chamber are not preheated or kept the temperature, pump group can be damaged when pump group starts moment or operation.
In the prior art, pump group rotor part is not provided with grease chamber due to being not provided with grease chamber water inlet detection interface, pump group
Water ingress detection system, when rotor part grease chamber is intake if cannot judge in time, to reduce pump group service life；Because not setting
Lubricating oil temperature detection interface is set, pump group does not have lubricating oil temperature detecting system, if cannot be timely when rotor part high oil temperature
Judge, to reduce pump group service life；Because being not provided with mechanical seal leakage detection interface, pump group does not have mechanical seal leakage
Detecting system, there are operational safety hidden danger for rotor part；Due in existing slurry circulating pump rotor part, being not provided with remaining axis
To the Balanced interface of power, pump group does not have residual axial force automatic-balancing system, and the axial force for pumping generation all uses balanced hole structure, no
The axial force of energy complete equipilibrium pump, residual axial force are born by bearing.When water pump operation is in off-design behaviour, these are remaining
Axial force is very big, can generate prodigious destruction to bearing, seriously affect the service life of pump；Leakage is pumped due to being not provided with
Medium arranges residual interface, and rotor part does not pump leaking medium and arranges residual system, is not provided with oil leak and arranges residual interface, rotor
Component does not have oil leak to arrange residual system, and leakage can cause environment greatly to pollute, very not environmentally.
Invention content
Shortcoming in for the above-mentioned prior art, safe and environment-friendly, multipurpose that the object of the present invention is to provide one kind,
The rotor part of environment-friendly type serum recycle pump group with long service life.
In order to solve the above technical problems, the rotor part of environment-friendly type serum recycle pump group provided by the invention include impeller,
Sheath, rear pump cover, suspension body, bearing housing, pump shaft, fore bearing, front axle pressure cap, rear bearing, rear bearing gland, cooling chamber pressure afterwards
One end of lid, cooling coil, mechanical seal and wearing plate, the pump shaft is connected with the impeller, and the rear pump cover is located at described
The rear of impeller, the rear pump cover are connect with the suspension body, be equipped between pump cover and the impeller in the rear it is described after
Sheath is equipped with the wearing plate on sheath, the mechanical seal is equipped between sheath and the pump shaft after described after described,
The bearing housing is mounted in the suspension body, and the other end of the pump shaft passes through the bearing housing, the two of the bearing housing
The fore bearing and the rear bearing are separately installed between end and the pump shaft, the fore bearing, the rear bearing lead to respectively
Cross the front axle pressure cap, it is described after bearing gland fix, the cooling chamber gland be sleeved on the front axle pressure cap it is outer and with
The bearing housing connection,
Be provided with the fore bearing cooling chamber between the cooling chamber gland and the bearing housing, the suspension body with it is described
It is provided with the rear bearing cooling chamber between bearing housing, is provided between the suspension body, the rear pump cover and the rear sheath
The postcooling chamber, the impeller, it is described after the machine sealing chamber is provided between sheath and the mechanical seal, the machinery is close
Machine is formed between envelope and the pump shaft seals cooling chamber, the fore bearing cooling chamber, the rear bearing cooling chamber, the postcooling chamber
Be respectively equipped with machine envelope cooling chamber be connected to in cavity into liquid cooling tube interface, go out liquid cooling tube interface, the machine envelope
Chamber be equipped with the balance interface tube that is connected in cavity, be equipped with cooling coil in the bearing housing, the bearing housing is equipped with and institute
The coil pipe for stating cooling coil connection goes out liquid interface into liquid interface and coil pipe,
Drain oil, pump chamber incomplete tube interface, the residual mouth of mechanical seal row and lubricating oil are additionally provided on the rotor part
It is connected in incomplete tube interface, the drain oil and the bearing housing, the junction of the rear pump cover and the rear sheath is equipped with row
Residual slot, the pump chamber incomplete tube interface are connected to the residual slot of the row, and the mechanical seal is arranged residual mouth and is located under the mechanical seal
Side, the front axle pressure cap and the rear bearing gland are equipped with oil trap, the lubricating oil incomplete tube interface and the oil-collecting
Slot is connected to,
Thermometer hole and vibration measuring hole are additionally provided on the rotor part.
Further, the end face that the bearing housing is connect with the cooling chamber gland is equipped with fore bearing cooling bath, described
Fore bearing cooling bath and the cooling chamber gland form the fore bearing cooling chamber, the cooling chamber gland be equipped with it is described before
The fore bearing of bearing cooling chamber connection goes out liquid cooling tube interface into liquid cooling tube interface and fore bearing.
Optionally, on the end face that the bearing housing is connect with the suspension body, bearing after the bearing housing is equipped with first
Cooling bath, bearing cooling bath after the suspension body is equipped with second, bearing is cold after bearing cooling bath and described second after described first
But slot be respectively positioned on it is described after near bearing, after described first after bearing cooling bath and described second bearing cooling bath formed it is described after
Bearing cooling chamber, the suspension body are equipped with the rear bearing feed liquor cooling interface tube and rear axle being connected to the rear bearing cooling chamber
Hold out liquid cooling tube interface.
Further, it is respectively provided with the first bending section on the suspension body, the rear pump cover and the rear sheath, is protected after described
After set, the rear pump cover and the suspension body are sequentially connected, the postcooling chamber is formed between each first bending section, it is described
Suspension body is equipped with the rear pump chamber being connected to institute postcooling chamber and goes out liquid cooling tube interface into liquid cooling tube interface and rear pump chamber；It is described
Impeller and the rear sheath are respectively provided with the second bending section, and the machine envelope is formed between the mechanical seal and second bending section
Chamber has wearing plate impeller clearance, the wearing plate impeller clearance and the machine sealing chamber between the wearing plate and the impeller
Connection, the balance interface tube are set on the rear sheath.
Further, the bottom of the front axle pressure cap and the bottom of the rear bearing gland are connected separately with oil trap
Body, the oil trap body is interior to be equipped with groove, and each groove forms institute with the front axle pressure cap, the rear bearing gland respectively
Oil trap is stated, lubricating oil incomplete tube interface is set to the bottom of the oil-collecting groove body.
Further, the drain oil is located at the bottom of the bearing housing, and the drain oil runs through the suspension body and institute
Bearing housing is stated, the bearing housing is made to be communicated with outside, the drain oil is equipped with interface tube of draining the oil.
Optionally, the side that the rear pump cover is connected with the rear sheath is respectively equipped with step position, the platform of the rear pump cover
Component level forms the residual slot of the row, the pump chamber after pump cover is connected with the rear sheath in the rear with the step position of the rear sheath
Incomplete tube interface is set on the rear pump cover.
Further, the impeller is connected to by flat key and impeller nut on the pump shaft, and the impeller is located at institute
State between pump shaft and the impeller nut, the gabarit of the side of the impeller is the first circular arc, the impeller nut with it is described
The gabarit of first circular arc the same side is formed by two section of second circular arc and positioned at intermediate spherical circular arc, second circular arc with it is described
Spherical circular arc is tangent, and first circular arc has phase concentric with second circular arc and radius is identical.
Further, in the junction of the suspension body and the bearing housing, the cooling chamber gland and the bearing housing
Junction, the rear pump cover and the suspension body junction, it is described after sheath and the rear pump cover junction, it is described after
Sheath and the junction of the mechanical seal, junction, the impeller and the pump shaft of the wearing plate and the rear sheath
Between, between the impeller nut and the impeller be respectively equipped with O-ring.
Further, the impeller nut is equipped with pneumatic trough, and air collecting chamber is formed between the pneumatic trough and the impeller.
Beneficial effects of the present invention are as follows：
1, the present invention is provided with fore bearing cooling chamber, rear bearing cooling chamber, postcooling chamber, machine envelope cooling chamber and cooler pan
Pipe, can by respectively into liquid cooling tube interface, go out liquid cooling tube interface and be filled with liquid and drain liquid to intracavitary, to fore bearing, after
Bearing, rear pump chamber, mechanical seal and lubricating oil are cooled down or are heated, when pump group pumps high temperature slurries, medium or in high temperature
Under environment, or when causing pump group temperature to increase due to building the pressure occurs in pump group export pipeline apparatus system or operating mode changes when, fill
Enter coolant liquid, system can cool down pump group, when pump group pump cryogenic media or at low ambient temperatures when, be filled with heating
Liquid, system can carry out heating and thermal insulation to pump group, it can be ensured that slurry circulating pump conveys high temperature or low temperature slurries, adapts to different rings
Border protects pump group and ensures operational safety, extends the service life of pump group.It is also provided with machine sealing chamber on the rotor part of the present invention
With balance interface tube, the high-pressure medium slave in machine sealing chamber can be sealed to intracavitary outflow, the residual axial force of ballast pump, protection pump
Group makes pump group operational safety.Drain oil, the residual slot of row and pump chamber incomplete tube interface, mechanical seal is also provided on rotor part to let out
Dew arranges residual mouth, oil trap and lubricating oil incomplete tube interface, and slurry circulating pump can be made to have the bearing for pumping leaking medium and leakage
Lubricating oil realizes the function and grease chamber water inlet detection function of recycling, thermometer hole and vibration measuring hole is additionally provided in suspension body, for pacifying
Temperature measuring probe and vibration detection probe are filled, temperature detection is carried out to the lubricating oil in bearing housing, pump shaft and bearing housing, it is right
The vibration of pump shaft is detected, it is ensured that the safe operation of pump group.
2, of the invention fore bearing cooling chamber and rear bearing cooling chamber are the groove being equipped with by one of component and other
What component cooperatively formed, postcooling chamber and machine seal cooling chamber by being cooperatively formed between component, be arranged on these chambers into
Liquid cooling tube interface and go out liquid cooling tube interface, it, can be to being filled with liquid in chamber for connecting into liquid cooling tube and going out liquid cooling tube
Body, it is ingenious in design, it makes simply, it is safe and practical.
3, the bottom of front axle pressure cap of the invention and rear bearing gland is connected with oil-collecting groove body, can collect and be sealed from bearing
It is arranged residual mouth from the lubricating oil of oil-collecting trench bottom and is discharged by the lubricating oil for locating leakage, environmental protection and pump group working environment it is whole
It is clean.
4, drain oil of the invention runs through bearing housing and suspension body, and leak water detdction probe can not only be arranged in drain oil,
It is detected to whether grease chamber intakes, when water inlet in bearing housing or into when pumping medium, moistens since the density of the liquid such as water is more than
The density of lubricating oil, liquid, which enters after bearing housing, to be deposited on bottom and enters drain oil, and leak water detdction probe can be detected, and
Drain oil is equipped with and drains the oil interface tube, can will be in bearing housing when more oil change in interface tube connecting pipe of draining the oil
Lubricating oil is all discharged, unified collection processing.
5, rear pump cover of the invention and rear jacket-shaped residual slot in a row, after rotor part is connect with the pump housing, arranging residual slot can be with
The pump housing forms chamber, and the medium revealed in pump chamber can flow into this chamber, and the pump chamber incomplete tube interface that rear pump cover is equipped with can connect
Pipeline is drained medium is revealed.Residual interface is arranged in mechanical seal to drain from the medium of mechanical seal leakage, and the medium of leakage is united
One recovery processing, ensure that the sanitation and hygiene of environment.
6, it is airflow design between impeller and impeller nut of the invention, solves the hex shape of the prior art
Impeller nut causes the problem of chaotic flow at this in fluid when rotated, improves the operational efficiency of pump group, reduce operation at
This.
7, the junction of the present invention between the components has been respectively mounted O-ring, keeps leakproofness, prevents from revealing.In impeller
It is equipped with air collecting chamber between nut and impeller, solves the merging because of O-ring, caused impeller nut and the sky in impeller fit clearance
Gas cannot be discharged that the compression-expansion of air is prevented to prevent impeller nut from fully installing fixed problem, ensure the normal of pump group
Operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present embodiment.
Fig. 2 is the bearing housing schematic diagram of the present embodiment.
Fig. 3 is the suspension body schematic diagram of the present embodiment.
Fig. 4 is the rear pump cover schematic diagram of the present embodiment.
Fig. 5 is the rear jacket assembly schematic diagram of the present embodiment.
Fig. 6 is the cooling chamber gland schematic diagram of the present embodiment.
Fig. 7 is the rear bearing gland schematic diagram of the present embodiment.
Fig. 8 is the front axle pressure cap schematic diagram of the present embodiment.
Fig. 9 is the impeller nut cooperation enlarged diagram of Fig. 1.
Figure 10 is the preceding impeller nut schematic diagram of the present embodiment.
Figure 11 is the cooling coil schematic diagram of the present embodiment.
In Fig. 1：1, pump shaft 1；2, rear bearing；3, end ring；4, hanging ring；5, bearing housing；6, Ventilated cap；7, suspension body；
8, fore bearing；9, cooling chamber gland；10, retaining ring；11, rear pump cover；12, rear sheath；13, wearing plate impeller clearance；14, mechanical
Sealing；15, impeller；16, air collecting chamber；17, floor clip；18, impeller nut；19, the first round nut；20, the second round nut；
21, flat key；22, machine sealing chamber；23, wearing plate；24, postcooling chamber；25, residual slot is arranged；26, front axle pressure cap；27, fore bearing cools down
Chamber；28, drain oil；29, drain line；30, it drains the oil interface tube；31, oil ga(u)ge；32, cooling coil；33, rear bearing cooling chamber；34、
Bearing gland afterwards；35, bolt；36, nut；37, O-ring；38, third round nut；39, mechanical seal is into liquid cooling tube interface；
40, mechanical seal goes out liquid cooling tube interface；
In Fig. 2：5001, bearing cooling bath after first；5002, bearing housing O-ring slot；5003, air hole；5004, front axle
Hold cooling bath；5005, bearing housing step position；5006, bearing housing thermometer hole；5007, cooling coil mounting hole；5008, oil ga(u)ge hole；
In Fig. 3：7001, suspension body thermometer hole；7002, vibration measuring hole；7003, bearing cooling bath after second；7004, rear bearing
Go out liquid cooling tube interface；7005, rear pump chamber goes out liquid cooling tube interface；7006, suspension body step position；7007, rear pump chamber is into liquid cooling
But interface tube；7008, residual mouth is arranged in mechanical seal leakage；7009, rear bearing feed liquor cools down interface tube；
In Fig. 4：1101, rear pump cover step position；1102, the residual step position of first row；1103, rear pump cover O-ring slot；1104、
Pump chamber incomplete tube interface afterwards；
In Fig. 5：1201, interface tube is balanced；1202, sheath step position after first；1203, the residual step position of second row；1204、
Sheath step position after second；1205, wearing plate O-ring slot；1206, rear sheath O-ring slot；
In Fig. 6：9001, cooling chamber gland step position；9002, fore bearing goes out liquid cooling tube interface；9003, fore bearing feed liquor
Cooling interface tube；9004, coil pipe is by open position；
In Fig. 7：3401, the first lubricating oil incomplete tube interface；3402, the first oil trap；3403, the first ball screw shaft seal；
3404, the first outflow of lubrication oil slot；
In Fig. 8：2601, the second ball screw shaft seal；2602, the second oil trap；2603, the second lubricating oil incomplete tube interface；
2604, the second outflow of lubrication oil slot；
In Fig. 9：2001, the second round nut step position；1501, the first circular arc；1801, the second circular arc；1802, spherical circle
Arc；1803, impeller nut O-ring slot；
In Figure 10：1804, pneumatic trough；1805, hex slot is installed；
In Figure 11：3201, cooling coil import；3202, cooling coil exports.
Specific implementation mode
In the description of the present invention, it should be noted that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1 to Figure 11, the rotor part of the serum recycle pump group of the present embodiment includes pump shaft 1, rear bearing 2, bearing
Case 5, suspension body 7, fore bearing 8, cooling chamber gland 9, rear pump cover 11, rear sheath 12, mechanical seal 14, impeller 15, wearing plate 23,
One end of front axle pressure cap 26, cooling coil 32 and rear bearing gland 34, pump shaft 1 is connected with impeller 15, and rear pump cover 11 is located at leaf
The rear of wheel 15, rear pump cover 11 are connect with suspension body 7, sheath 12, rear sheath after being equipped between rear pump cover 11 and impeller 15
Wearing plate 23 is installed on 12, mechanical seal 14 is installed between rear sheath 12 and pump shaft 1, bearing housing 5 is mounted on suspension body 7
On, the other end of pump shaft 11 passes through bearing housing 5, be separately installed between the both ends of bearing housing 5 and pump shaft 11 fore bearing 8 and after
Bearing 2, fore bearing 8, rear bearing 2 are fixed by front axle pressure cap 26, rear bearing gland 34 respectively, and cooling chamber gland 9 is sleeved on
Front axle pressure cap 26 is outer and is connect with bearing housing 5, and fore bearing cooling chamber 27 is provided between cooling chamber gland 9 and bearing housing 5, hangs
Rear bearing cooling chamber 33 is provided between frame body 7 and bearing housing 5, after being provided between suspension body 7, rear pump cover 11 and rear sheath 12
Cooling chamber 24 is provided with machine sealing chamber 22, between mechanical seal 14 and pump shaft 11 between impeller 15, rear sheath 12 and mechanical seal 14
Formation machine seal cooling chamber, fore bearing cooling chamber 27, rear bearing cooling chamber 33, postcooling chamber 24 and machine envelope cooling chamber be respectively equipped with
It is connected in cavity into liquid cooling tube interface, goes out liquid cooling tube interface, machine sealing chamber 22 is equipped with and the balance interface tube that is connected in cavity
1201, it is equipped with cooling coil 32 in bearing housing 5, bearing housing 5 is equipped with the coil pipe that is connected to cooling coil 32 into liquid interface and disk
Pipe goes out liquid interface, and thermometer hole and vibration measuring hole are additionally provided in suspension body 7.In the present embodiment, the connection between each component is to pass through
What bolt 35 connected.The machine envelope cooling chamber of the present embodiment, which is sleeved on by mechanical seal 14 on pump shaft 1, to be formed, mechanical seal 14
Go out liquid interface 40 into liquid interface 39 and mechanical seal cooling tube equipped with mechanical seal cooling tube.In the present embodiment, rear sheath
12 for middle part evagination and trepanning plate-like piece, wearing plate 23 is connected to by bolt 35 on rear sheath 12, rear sheath 12 and wear-resisting
Plate 23, which all has, prevents pump is internal to be constantly abraded, and extends the effect of pump housing service life.
The end face that bearing housing 5 is connect with cooling chamber gland 9 is equipped with fore bearing cooling bath 5004, fore bearing cooling bath 5004
Fore bearing cooling chamber 27 is formed with cooling chamber gland 9, fore bearing cooling bath 5004 is an annular groove, so fore bearing cooling chamber
27 be an annular chamber.Cooling chamber gland 9 is equipped with the fore bearing that is connected to fore bearing cooling chamber 27 into liquid cooling tube interface
9003 and fore bearing go out liquid cooling tube interface 9002, the one side wall of fore bearing cooling bath 5004 is equipped with bearing housing step position
5005, for coordinating with cooling chamber gland 9, the side being connect with bearing housing 5 on cooling chamber gland 9 is additionally provided with cooling chamber gland platform
Component level 9001 when cooling chamber gland 9 being allowed to be connect with bearing housing 5, can place O-ring 37 in cooling chamber gland step position 9001,
A circle bearing housing O-ring slot 5002 is set on the end face of bearing housing 5 and cooling chamber gland 9, and for placing O-ring 37, is protected
Hold leakproofness.It is set on the bearing housing 5 of the present embodiment there are two the cooling coil mounting hole 5007 of installation cooling coil 32, two cold
But coil pipe mounting hole 5007 is connected to cooling coil import 3201 and cooling coil outlet 3202 respectively, and cooling coil 32 is placed in axis
It holds in case 5, two cooling coil mounting holes 5007 pass through nut with cooling coil import 3201, cooling coil outlet 3202 respectively
36 connections.The position that nut 36 is installed is located at same end face with cooling chamber gland 9, so cooling chamber gland 9 allows equipped with coil pipe
Open position 9004.
On the end face that bearing housing 5 is connect with suspension body 7, bearing cooling bath 5001 after bearing housing 5 is equipped with first, suspension body
7 be equipped with second after bearing cooling bath 7003, after bearing cooling bath 7003 is respectively positioned on after bearing cooling bath 5001 and second after first
Near bearing 2, bearing cooling chamber 33 after bearing cooling bath 7003 is formed after bearing cooling bath 5001 and second after first, after first
Bearing cooling bath 7003 is annular groove after bearing cooling bath 5001 and second, so the rear bearing cooling chamber 33 formed is annular
Chamber, suspension body 7 is equipped with the rear bearing feed liquor cooling interface tube 7009 being connected to rear bearing cooling chamber 33 and rear bearing goes out liquid cooling
But interface tube 7004.The both sides of bearing cooling bath 5001 are respectively provided with bearing housing O-ring slot 5002, bearing housing O-ring slot after first
5002 place O-ring 37 when bearing housing 5 is connect with suspension body 7.It is additionally provided on bearing housing 5 for installing the ventilative of Ventilated cap 6
Hole 5003 and oil ga(u)ge hole 5008 for installing oil ga(u)ge 31 are additionally provided with the bearing housing thermometer hole for temperature detection on bearing housing 5
5006, suspension body thermometer hole 7001 also is provided in suspension body 7, suspension body thermometer hole 7001 is communicated with bearing housing thermometer hole 5006,
One temperature measuring probe is set in hole.Vibration measuring hole 7002 is additionally provided in suspension body 7, for detecting bearing housing 5 and pump shaft 1
Vibration.In addition, rotor part is equipped with the drain oil 28 on bearing housing 5 and suspension body 7, make 5 inside of bearing housing and the external world
It communicates, drain line 29 is equipped in drain oil 28 and drain oil 28 is equipped with interface tube 30 of draining the oil, it can the setting leakage in drain oil 28
Water detection probe is detected to whether grease chamber intakes, the water inlet or into when pumping medium in the bearing housing 5, due to liquid such as water
Density be more than the density of lubricating oil, liquid, which enters after bearing housing 5, to be deposited on bottom and enters drain oil 28, and leak water detdction probe is just
It can be detected, and drain oil 28 is equipped with interface tube 29 of draining the oil, conduit connectable, by bearing when more oil change
Lubricating oil in case is all discharged, unified collection processing.
The first bending section, rear sheath 12, rear pump cover 11 and suspension are respectively provided on suspension body 7, rear pump cover 11 and rear sheath 12
Body 7 is sequentially connected, and postcooling chamber 24 is formed between each first bending section, suspension body 7 with postcooling chamber 24 equipped with after being connected to
Pump chamber goes out liquid cooling tube interface 7009 into liquid cooling tube interface 7007 and rear pump chamber.The end face that rear pump cover 11 is connect with suspension body 7
It is equipped with rear pump cover step position 1101, for placing O-ring 37 when rear pump cover 11 is connect with suspension body 7, rear pump cover 11 is with after
The side that sheath 12 connects is equipped with rear pump cover O-ring slot 1103, connect with rear sheath 12 when of coordinating for rear pump cover 11 and places O
Type circle 37.In addition, although suspension body 7 and rear sheath 12 are not connected to, because of suspension body 7, rear pump cover 11 and rear sheath 12 3
There is the end face of cooperation, suspension body 7 to be set on the end face of rear sheath 12 for the sequentially connected relationship of person, suspension body 7 and rear sheath 12
Sheath step position 1202 after thering is suspension body step position 7006, rear sheath 12 to be equipped with first, suspension body step position 7006 and first
Sheath step position 1202 forms O shape slots afterwards, for placing O-ring 37.In addition, suspension body 7 is residual equipped with mechanical seal leakage row
Mouth 7008, mechanical seal leakage arrange residual mouth 7008 and are located at 14 lower section of mechanical seal, and conduit connectable will be revealed at mechanical seal 14
Medium drain, can also be revealed in mechanical seal and arrange residual mouth 7008 leak water detdction probe is set, be for detecting mechanical seal 14
No leakage.In addition, being separately connected the hanging ring 4 there are one installation on suspension body 7 and rear pump cover 11.
Impeller 15 and rear sheath 12 are respectively provided with the second bending section, and machine sealing chamber is formed between mechanical seal 14 and the second bending section
22, there is wearing plate impeller clearance 13, the axial direction of the wearing plate impeller clearance 13 of the present embodiment between wearing plate 23 and impeller 15
Size is 1mm~2mm, and wearing plate impeller clearance 13 is connected to machine sealing chamber 23, and rear sheath 12 is equipped with balance interface tube 1201.Afterwards
The end face that sheath 12 connect cooperation with wearing plate 23 is equipped with wearing plate O-ring slot 1205, for placing O-ring 37, rear sheath
Sheath O-ring slot 1206 after sheath step position 1204 and one is enclosed after being additionally provided with second on 12, for placing O when being connect with the pump housing
Type circle.1201 conduit connectable of interface tube is balanced, the discharge out of machine sealing chamber 22 by the high-pressure medium in machine sealing chamber 22, ballast pump
Residual axial force protects pump group, makes pump group operational safety.
The side that rear pump cover 11 and rear sheath 12 connect is respectively equipped with the residual step position 1102 of first row, and rear sheath 12 is equipped with
After the residual step position 1203 of second row, rear pump cover 11 and rear sheath 12 connect, the residual step position 1102 of first row and the residual step of second row
Position 1203, which is formed, arranges residual slot 25, and rear pump cover 11 is equipped with pump chamber incomplete tube interface 1104, and rear pump cover 11 and the connection of rear sheath 12 are matched
The end face of conjunction is equipped with the rear pump cover O-ring slot 1103 that a circle concaves, for placing O-ring 37.In rotor part and the pump housing
After connection, chamber can be formed with the pump housing by arranging residual slot 25, and the medium revealed in pump chamber can flow into this chamber, what rear pump cover 11 was equipped with
1104 conduit connectable of pump chamber incomplete tube interface is drained medium is revealed.
Impeller 15 is connected to by flat key 21 and impeller nut 18 on pump shaft 1, and impeller is located at pump shaft 1 and impeller nut 18
Between, by flat key 21 on pump shaft 1, coordinate with flat key 21 after impeller 15 is sleeved on pump shaft 1, the first round nut 19, second circle
Nut 20 and floor clip 17, which are matched on pump shaft 1 with impeller 15, merges compression, the end that the second round nut 20 is contacted with impeller 15
Face is equipped with the second round nut step position 2001, for placing O-ring 37.It is set on the end face that impeller nut 18 coordinates with impeller 15
There is a circle impeller nut O-ring slot 1803, O-ring 37, impeller nut 18 are placed when being connect with impeller 15 for impeller nut 18
The circle pneumatic trough 1804 to concave is additionally provided on the end face being connect with impeller 15, pneumatic trough 1804 cooperatively forms collection with impeller 15
Air cavity 16, because of the merging of O-ring 37, impeller nut 18 cannot be discharged with the air in 15 fit clearance of impeller and cause air swollen
It is swollen, prevent impeller nut from fully installing fixation, air collecting chamber 16 can be alleviated makes air not expand with stored air.Impeller spiral shell
Mother 18 is additionally provided with installation hex slot 1805.
The gabarit of the side of the impeller 15 of the present embodiment be the first circular arc 1501, impeller nut 18 with the first circular arc 1501
The gabarit of the same side is formed by two section of second circular arc 1801 and positioned at intermediate spherical circular arc 1802, the second circular arc 1801 and spherical shape
Circular arc 1802 is tangent, and the first circular arc 1501 has phase concentric with the second circular arc 1801 and radius is identical.Solves the prior art
The impeller nut of hex shape the problem of causing the chaotic flow at this in fluid when rotated, improve the operation effect of pump group
Rate reduces operating cost.
There are two rear bearings 2 for suit on the pump shaft 1 of this implementation, wherein the rear bearing 2 positioned inside is thrust bearing, rear axle
The fixation of 2 outside third round nuts 38 is held, and is set between third round nut 38 and rear bearing 2 there are one floor clip 17, third
38 outside of round nut is fixed on rear bearing gland 34 on bearing housing 5 again, makes first after rear bearing gland 34 is sleeved on pump shaft 1
Ball screw shaft seal 3403 coordinates with pump shaft 1, and the bottom of rear bearing gland 34 is equipped with the first oil trap 3402, and the first oil trap 3402 is
What an oil-collecting groove body by being connected to rear bearing gland 34 was formed by connecting with rear bearing gland 34, oil-collecting groove body is equipped with perforation
The groove of two sides, groove form the first oil trap 3402 with rear bearing gland 34, and the bottom of the first oil trap 3402 is equipped with
The leakage lubricating oil in the first oil trap 3402 is discharged for first lubricating oil incomplete tube interface 3401, conduit connectable, in addition, after
Bearing gland 34 is equipped with the first outflow of lubrication oil slot 3404 that the first oil trap 3402 is extended to from middle part, makes the lubrication of leakage
Oil can be flowed in the first oil trap 3402 from the first outflow of lubrication oil slot 3404 and is collected.Similarly, front axle pressure cap 26
The second ball screw shaft seal 2601 is set to coordinate with pump shaft 1 after being sleeved on pump shaft 1, the bottom of front axle pressure cap 26 is equipped with the second oil-collecting
Slot 2602 and the second lubricating oil incomplete tube interface 2603 being connected to the second oil trap 2602 are additionally provided with the of drainage lubricating oil
Two outflow of lubrication oil slots 2604.First oil trap 3402 and the second oil trap 2602 can collect the lubrication revealed from bearing envelope
It is arranged residual mouth from the lubricating oil of oil-collecting trench bottom and is discharged by oil, environmental protection and pump group working environment it is clean and tidy.
The rotor part of the present embodiment is provided with fore bearing cooling chamber 27, rear bearing cooling chamber 33, postcooling chamber 24, machine envelope
Cooling chamber and cooling coil 32, can by respectively into liquid cooling tube interface, go out liquid cooling tube interface and be filled with liquid to intracavitary and drain
Liquid is cooled down or is heated to fore bearing 8, rear bearing 2, rear pump chamber, mechanical seal 14 and lubricating oil, when pump group pumps height
Warm slurries, medium or under high temperature environment, or draw due to building the pressure occurs in pump group export pipeline apparatus system or operating mode changes when
When playing the raising of pump group temperature, it is filled with coolant liquid, system can cool down pump group, when pump group pumps cryogenic media or in low temperature
When under environment, it is filled with heating liquid, system can carry out heating and thermal insulation to pump group, it can be ensured that slurry circulating pump conveys high temperature or low temperature
Slurries adapt to varying environment, protect pump group and ensure operational safety, extend the service life of pump group.The rotor part of the present invention
On be also provided with machine sealing chamber 22 and balance interface tube 1201, can the outflow out of machine sealing chamber 22 by the high-pressure medium in machine sealing chamber 22,
The residual axial force of ballast pump protects pump group, makes pump group operational safety.Also, fore bearing cooling chamber 27 and rear bearing cooling chamber
33 be that the groove being equipped with by one of component is cooperatively formed with other component, and postcooling chamber 24 and machine envelope cooling chamber are by portion
It is cooperatively formed between part, be arranged on these chambers into liquid cooling tube interface and go out liquid cooling tube interface, for connecting feed liquor
Cooling tube and go out liquid cooling tube, can be ingenious in design to being filled with liquid in chamber, make it is simple, it is safe and practical.
The rotor part of the present embodiment is in the junction of suspension body 7 and bearing housing 5, the company of cooling chamber gland 9 and bearing housing 5
Connect junction, rear sheath 12 and the mechanical seal at place, rear pump cover 11 and the junction, rear sheath 12 and rear pump cover 11 of suspension body 7
Between 14 junction, the junction of wearing plate 23 and rear sheath 12, impeller 15 and pump shaft 1, impeller nut 18 and impeller 15 it
Between be respectively equipped with O-ring 37, keep the leakproofness of each component connection.
The rotor part of the present embodiment is equipped with fore bearing cooling chamber 27, rear bearing cooling chamber 33, postcooling chamber 24, machine envelope
Cooling chamber and cooling coil 32, and be equipped with into liquid cooling tube interface and go out liquid cooling tube interface, liquid can be filled with and heated
It is or cooling, it is ensured that slurry circulating pump conveys high temperature or low temperature slurries, adapts to varying environment, is additionally provided with machine sealing chamber and balance pipe connects
Mouthful, the residual axial force of pump group can be balanced, pump group is protected and ensures operational safety, extend the service life of pump group, improve slurry
The efficiency of liquid circulating pump reduces the former cost and operation, maintenance and maintenance cost of pump.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace and also answer
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of rotor part of environment-friendly type serum recycle pump group, which is characterized in that including impeller, rear sheath, rear pump cover, suspension
Body, bearing housing, pump shaft, fore bearing, front axle pressure cap, rear bearing, rear bearing gland, cooling chamber gland, cooling coil, machinery are close
One end of envelope and wearing plate, the pump shaft is connected with the impeller, and the rear pump cover is located at the rear of the impeller, is pumped after described
Lid is connect with the suspension body, is equipped with the rear sheath between pump cover and the impeller in the rear, is pacified on the rear sheath
Equipped with the wearing plate, the mechanical seal is installed after described between sheath and the pump shaft, the bearing housing is mounted on institute
It states in suspension body, the other end of the pump shaft passes through the bearing housing, divides between the both ends of the bearing housing and the pump shaft
The fore bearing and the rear bearing are not installed, the fore bearing, the rear bearing pass through the front axle pressure cap, institute respectively
Rear bearing gland to be stated to fix, the cooling chamber gland is sleeved on outside the front axle pressure cap and is connect with the bearing housing,
The fore bearing cooling chamber, the suspension body and the bearing are provided between the cooling chamber gland and the bearing housing
It is provided with the rear bearing cooling chamber between case, is provided between the suspension body, the rear pump cover and the rear sheath described
Postcooling chamber, the impeller, it is described after be provided with the machine sealing chamber between sheath and the mechanical seal, the mechanical seal with
Machine is formed between the pump shaft seals cooling chamber, the fore bearing cooling chamber, the rear bearing cooling chamber, the postcooling chamber and institute
State machine envelope cooling chamber be respectively equipped be connected to in cavity into liquid cooling tube interface, go out liquid cooling tube interface, the machine sealing chamber is set
Have a balance interface tube being connected to in cavity, be equipped with cooling coil in the bearing housing, the bearing housing be equipped with it is described cold
But the coil pipe of coil pipe connection goes out liquid interface into liquid interface and coil pipe,
It is residual that drain oil, pump chamber incomplete tube interface, the residual mouth of mechanical seal row and lubricating oil row are additionally provided on the rotor part
It being connected in interface tube, the drain oil and the bearing housing, the junction of the rear pump cover and the rear sheath, which is equipped with, arranges residual slot,
The pump chamber incomplete tube interface is connected to the residual slot of the row, and the mechanical seal is arranged residual mouth and is located at below the mechanical seal, institute
It states front axle pressure cap and the rear bearing gland is equipped with oil trap, the lubricating oil incomplete tube interface connects with the oil trap
It is logical,
Thermometer hole and vibration measuring hole are additionally provided on the rotor part.
2. the rotor part of environment-friendly type serum recycle pump group according to claim 1, which is characterized in that the bearing housing with
The end face of the cooling chamber gland connection is equipped with fore bearing cooling bath, the fore bearing cooling bath and the cooling chamber gland shape
At the fore bearing cooling chamber, the cooling chamber gland is equipped with the fore bearing feed liquor cooling being connected to the fore bearing cooling chamber
Interface tube and fore bearing go out liquid cooling tube interface.
3. the rotor part of environment-friendly type serum recycle pump group according to claim 1, which is characterized in that the bearing housing with
On the end face of the suspension body connection, bearing cooling bath after the bearing housing is equipped with first, after the suspension body is equipped with second
Bearing cooling bath, after described first after bearing cooling bath and described second bearing cooling bath be respectively positioned on it is described after near bearing, institute
Bearing cooling bath forms the rear bearing cooling chamber after bearing cooling bath and described second after stating first, and the suspension body is equipped with
The rear bearing feed liquor cooling interface tube and rear bearing being connected to the rear bearing cooling chamber go out liquid cooling tube interface.
4. the rotor part of environment-friendly type serum recycle pump group according to claim 1, which is characterized in that the suspension body,
The rear pump cover and it is described after be respectively provided with the first bending section on sheath, it is described after sheath, the rear pump cover and the suspension body according to
After secondary connection, the postcooling chamber is formed between each first bending section, the suspension body is equipped with to be connected with institute's postcooling chamber
Logical rear pump chamber goes out liquid cooling tube interface into liquid cooling tube interface and rear pump chamber；The impeller and the rear sheath are respectively provided with second
Bending section, forms the machine sealing chamber between the mechanical seal and second bending section, the wearing plate and the impeller it
Between there is wearing plate impeller clearance, the wearing plate impeller clearance is connected to the machine sealing chamber, and the balance interface tube is set on institute
It states on rear sheath.
5. the rotor part of environment-friendly type serum recycle pump group according to claim 1, which is characterized in that the front axle pressure-bearing
The bottom of lid and the bottom of the rear bearing gland are connected separately with oil-collecting groove body, and groove, each institute are equipped in the oil trap body
It states groove and forms the oil trap with the front axle pressure cap, the rear bearing gland respectively, lubricating oil incomplete tube interface is set to
The bottom of the oil-collecting groove body.
6. the rotor part of environment-friendly type serum recycle pump group according to claim 1, which is characterized in that the drain oil position
In the bottom of the bearing housing, the drain oil runs through the suspension body and the bearing housing, makes the bearing housing and external phase
Logical, the drain oil is equipped with interface tube of draining the oil.
7. the rotor part of environment-friendly type serum recycle pump group according to claim 1, which is characterized in that the rear pump cover and
The side of sheath connection is respectively equipped with step position after described, the step position of the rear pump cover and it is described after sheath step position in institute
It states after rear pump cover is connected with the rear sheath and forms the residual slot of the row, the pump chamber incomplete tube interface is set on the rear pump cover.
8. the rotor part of environment-friendly type serum recycle pump group according to claim 1, which is characterized in that the impeller passes through
Flat key and impeller nut are connected on the pump shaft, and the impeller is between the pump shaft and the impeller nut, described
The gabarit of the side of impeller is the first circular arc, the impeller nut with the gabarit of first circular arc the same side by two section second
It circular arc and is formed positioned at intermediate spherical circular arc, second circular arc and the spherical shape circular arc are tangent, first circular arc and institute
State the second circular arc with phase concentric and radius it is identical.
9. the rotor part of environment-friendly type serum recycle pump group according to claim 8, which is characterized in that in the suspension body
With the junction of the bearing housing, the junction of the cooling chamber gland and the bearing housing, the rear pump cover and the suspension
The junction of body, the rear sheath and the junction of the rear pump cover, the junction of the rear sheath and the mechanical seal, institute
State wearing plate and it is described after between the junction of sheath, the impeller and the pump shaft, the impeller nut and the impeller it
Between be respectively equipped with O-ring.
10. the rotor part of environment-friendly type serum recycle pump group according to claim 9, which is characterized in that the impeller spiral shell
Mother is equipped with pneumatic trough, and air collecting chamber is formed between the pneumatic trough and the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810481720.2A CN108533524B (en) | 2018-05-18 | 2018-05-18 | Rotor component of environment-friendly slurry circulating pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481720.2A CN108533524B (en) | 2018-05-18 | 2018-05-18 | Rotor component of environment-friendly slurry circulating pump set |
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| CN108533524B CN108533524B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN109356858A (en) * | 2018-11-29 | 2019-02-19 | 联峰钢铁（张家港）有限公司 | Centrifugal cryogenic liquid pump |
| CN115654370A (en) * | 2022-11-11 | 2023-01-31 | 西南石油大学 | Oil transportation process and device structure for continuous mixed transportation of totally-enclosed oil gas sand water multi-phase medium of petroleum well site |
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| CN115654370A (en) * | 2022-11-11 | 2023-01-31 | 西南石油大学 | Oil transportation process and device structure for continuous mixed transportation of totally-enclosed oil gas sand water multi-phase medium of petroleum well site |
| CN115654370B (en) * | 2022-11-11 | 2024-05-24 | 西南石油大学 | Oil transportation process and device for fully-closed oil-gas sand-water continuous mixed transportation in petroleum well site |
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| CN108533524B (en) | 2023-08-01 |
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