CN116066411A

CN116066411A - Double-volute efficient energy-saving mining water pump and mounting method and working method thereof

Info

Publication number: CN116066411A
Application number: CN202310295548.2A
Authority: CN
Inventors: 秦继宏; 秦浩鸣
Original assignee: Harbin Northeast Pump Co ltd
Current assignee: Harbin Northeast Pump Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-05-05

Abstract

The invention discloses a double-volute efficient energy-saving mining water pump, and an installation method and a working method thereof, and relates to the technical field of mining water pumps; the water pump has the advantages that not only can the convenient disassembly and assembly be realized by the structural design, but also the multi-stage compression treatment of water flow in the water pump is realized by adopting a plurality of spiral cases, the working efficiency of the water pump is improved, and the stable transportation of the water flow is realized; by sealing and installing the shell components of the water pump, the effective sealing of the joint of each part is ensured, water leakage is avoided, and the working efficiency of the water pump is further improved; in addition, through adopting the screw rod to carry out the erection joint of suction section, middle section and spitting out the section to realize the sealing of impeller position through setting up the stator cover, carry out water seal in order to improve sealed effect through adopting water pressure, and set up balanced cover, balanced ring and balance disc and realize the drive shaft and stabilize the transmission, prevent drive shaft axial runout and cheap, reduce unnecessary energy loss, and then realize energy-conservation.

Description

Double-volute efficient energy-saving mining water pump and mounting method and working method thereof

Technical Field

The invention discloses a double-volute efficient energy-saving mining water pump, and an installation method and a working method thereof, and relates to the technical field of mining water pumps.

Background

The water pump is a mechanism for conveying or pressurizing liquid and is mainly used for conveying the liquid such as water, oil, acid-alkali liquor, emulsion, suspension emulsion, liquid metal and the like; the mining water pump is one of water pumps, and has higher requirements on efficiency and energy conservation compared with the common water pump.

The invention patent of application number 201910882126.9, namely a high-efficiency energy-saving water pump unit, can realize multiple effective high-pressure water pumps simultaneously under the condition of single power source. More importantly, the transportation and the sewage treatment are combined, so that the discharged water is directly used in places with relaxed requirements on water, such as irrigation, and the sewage transportation and treatment efficiency is effectively improved.

The invention patent of application number 202111014984.5 is directed to a three-way flow high-efficiency energy-saving water pump, aiming at the technical problem that in the existing scheme, under the condition that a pump shell and other components are shaped, the water resistance and water loss of all the overflow components in the whole water pump cannot be changed by an independent three-way flow impeller, so that the operation effect of the three-way flow pump is poor, the data acquisition module, the data statistics module, the data analysis module and the data verification module are matched for use, the data acquisition module is used for acquiring data from two aspects of a pump body and water flow liquid, effective data support is provided for testing and screening of the impeller body, the data statistics unit is used for processing and counting all acquired data, so that all the data are standardized, the accuracy of the testing of the impeller body can be improved, all the processed data are simultaneously calculated by the data analysis module, the connection between all the data is convenient for local and overall analysis, the operation efficiency of the impeller body is verified according to an analysis combination set by the data verification module, the three-way flow impeller body can be solved, under the condition that in the existing scheme, the three-way flow impeller is shaped and the optimal operation effect of the three-way flow pump can be achieved by acquiring different three-way flows and calculating the operation efficiency of the three-way flow pump.

It can be seen that energy saving and efficiency have been the goal of those skilled in the art.

Disclosure of Invention

In order to further realize the effect of high efficiency and energy conservation, the invention designs the double-volute high efficiency and energy-saving mining water pump, which not only can realize convenient disassembly and assembly by structural design, but also adopts a plurality of volutes to realize multistage compression treatment of water flow in the water pump, improve the working efficiency of the water pump and realize stable water flow conveying; by sealing and installing the shell components of the water pump, the effective sealing of the joint of each part is ensured, water leakage is avoided, and the working efficiency of the water pump is further improved; in addition, through adopting the screw rod to carry out the erection joint of suction section, middle section and spitting out the section to realize the sealing of impeller position through setting up the stator cover, carry out water seal in order to improve sealed effect through adopting water pressure, and set up balanced cover, balanced ring and balance disc and realize the drive shaft and stabilize the transmission, prevent drive shaft axial runout and cheap, reduce unnecessary energy loss, and then realize energy-conservation.

The purpose of the invention is realized in the following way:

a double-volute high-efficiency energy-saving mining water pump, comprising: the device comprises a driving shaft, a front bearing cover, a suction section, two middle sections which are mutually attached and connected, an impeller, a discharge section and a rear bearing cover; the driving shaft is connected with the output end of the driving motor through a coupler, one end of the suction section is in threaded connection with the front bearing cover, the suction section is in embedded connection with the middle section, the middle section is in embedded connection with the discharge section, the discharge section is in threaded connection with the rear bearing cover, the driving shaft penetrates through the front bearing cover, the suction section, the middle section, the discharge section and the rear bearing cover, the front bearing cover and the rear bearing cover are movably sleeved with ball bearings, the inside of each ball bearing is in rotary connection with the driving shaft, one side of each ball bearing is fixedly provided with an end cover, and the driving shaft extends into the end cover; an impeller is fixedly arranged on the driving shaft and is positioned in the middle section; the bottom of the suction section and the bottom of the discharge section are fixedly connected with the base through supporting seats, and a motor seat is fixedly arranged on one side of the base.

The mining water pump with the double spiral cases and the high efficiency and energy conservation is characterized in that one end of the suction section is fixedly connected with the packing gland, the packing gland is of a circular ring structure, the packing gland is movably sleeved on the surface of the driving shaft, the surface of the suction section is fixedly provided with the water inlet, the water inlet is horizontally arranged and is communicated with the inside of the suction section, and the water inlet is communicated with the inside of the suction section.

According to the mining water pump with the double spiral cases and the high efficiency and the energy conservation, the sealing rings are fixedly connected to the middle section and one end of the suction section, the impeller is in sealing sleeve joint with the sealing rings, and the end part of the impeller is in rotary connection with the inner part of the sealing rings.

The efficient and energy-saving mining water pump with the double spiral cases is characterized in that a partition plate is fixedly connected to the inside of the middle section, the driving shaft is inserted through the middle part of the partition plate, a guide vane sleeve is fixedly connected to the edge of the partition plate, the guide vane sleeve is in sealing sleeve connection with the driving shaft, an impeller is arranged on one side of the partition plate, and a cavity for water flow spiral flow is formed on the other side of the partition plate.

According to the mining water pump with the double spiral cases and the high efficiency and energy conservation, the balance sleeve is fixedly arranged in the discharge section and is in penetrating and sleeving connection with the driving shaft, one side of the balance sleeve is fixedly connected with the balance ring, the surface of the balance ring is fixedly connected with the balance disc, and the balance ring and the balance disc are in penetrating and sleeving connection with the driving shaft.

The double-volute efficient energy-saving mining water pump is characterized in that the suction section and the discharge section are both in rotary connection with the driving shaft, stuffing box cavities are arranged in the suction section and the discharge section, the stuffing box cavities are correspondingly arranged on the surface of the driving shaft, water outlets are fixedly arranged at the top of the discharge section, and the water outlets are vertically distributed with the water inlets.

According to the mining water pump with the double spiral cases and the high efficiency and energy conservation, the stuffing box body is fixedly arranged in the discharge section and fixedly connected with the balance disc, the balance ring and the balance sleeve are of circular ring structures, and the stuffing box body and the suction section are provided with stuffing box cavities.

The mining water pump with the double spiral cases and the high efficiency and energy conservation is characterized in that the middle section, the discharge section and the rear bearing cover are fixedly provided with a plurality of fixing blocks, each fixing block is internally penetrated and spliced with the screw rod, the surface of the suction section is fixedly provided with a thread bush, and the inside of the thread bush is in threaded connection with the screw rod.

The mounting method of the double-volute efficient energy-saving mining water pump comprises the steps of mounting and fixing a suction section on a base through a supporting seat, sequentially mounting a middle section on one side of the suction section, mounting a discharge section on the middle section, finally mounting a front bearing cover on the suction section, mounting a rear bearing cover on the discharge section, sequentially penetrating a screw rod through a fixed block and then screwing the screw rod inside a threaded sleeve, mutually extruding the discharge section, the middle section and the suction section through extrusion of the screw rod to realize sealing mounting, ensuring structural stability, mounting a driving motor on a motor seat, and connecting an output end of the driving motor with a coupling to realize stable transmission.

The working method of the double-volute efficient energy-saving mining water pump comprises the steps of firstly filling a water source into a suction section, starting a driving motor, driving a driving shaft to rotate on ball bearings of a front bearing cover and a rear bearing cover through a coupler, driving a plurality of impellers to rotate in the middle section, enabling the inside of the middle section to form negative pressure, conveying a water source from a water inlet to the suction section, conveying the water source into the middle section through the impellers, pressurizing the water source through centrifugal effect, conveying the water source into another middle section, and finally conveying the water source into a discharge section through the impellers, and discharging the water source through a water outlet.

The beneficial effects are that:

the first, the high-efficient energy-conserving mining water pump of double spiral case of the invention, only need unscrew the screw rod make it separate with the threaded sleeve, will spit out section and middle section and separate in proper order, can finish dismantling, therefore easy dismounting.

Secondly, the double-volute efficient energy-saving mining water pump adopts two middle section designs, realizes multistage compression treatment of water flow in the water pump, improves the working efficiency of the water pump, and realizes stable water flow conveying; through the sealed installation to each shell subassembly of water pump, guarantee that every part junction is effective sealed, avoid leaking, further improve water pump work efficiency.

Thirdly, the double-volute efficient energy-saving mining water pump is characterized in that the screw is adopted to carry out installation connection of the suction section, the middle section and the discharge section, the guide vane sleeve is arranged to seal the impeller position, the water pressure is adopted to carry out water sealing to improve the sealing effect, the balance sleeve, the balance ring and the balance disc are arranged to realize stable transmission of the driving shaft, the driving shaft is prevented from jumping axially and is cheap, unnecessary energy loss is reduced, and energy saving is further realized.

Drawings

FIG. 1 is a schematic perspective view of a dual volute efficient energy-efficient mining water pump of the present invention;

FIG. 2 is a schematic cross-sectional view of the dual volute high efficiency energy efficient mining water pump of the present invention;

FIG. 3 is a front view of the dual volute high efficiency energy efficient mining water pump of the present invention;

FIG. 4 is a top view of the dual volute high efficiency energy efficient mining water pump of the present invention;

FIG. 5 is a schematic perspective view of the drive shaft;

FIG. 6 is a schematic side elevational view of the intermediate section;

FIG. 7 is a schematic side elevational view of the suction section;

fig. 8 is a schematic view of a perspective structure at a suction section;

FIG. 9 is a schematic view of a mid-section perspective;

fig. 10 is a schematic perspective view of the end cap.

In the figure: 1. the device comprises a coupler, 2, a driving shaft, 3, a front bearing cover, 4, a packing gland, 5, a suction section, 6, a sealing ring, 7, a middle section, 8, an impeller, 9, a guide vane sleeve, 10, a discharge section, 11, a balance sleeve, 12, a balance ring, 13, a balance disc, 14, a packing box body, 15, a shaft sleeve, 16, a bearing baffle sleeve, 17, a rear bearing cover, 18, an end cover, 19, a ball bearing, 20, a water inlet, 21, a water outlet, 22, a packing box cavity, 23, a base, 24, a supporting seat, 25, a motor seat, 26, a fixed block, 27, a screw, 28 and a thread sleeve.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Detailed description of the preferred embodiments

The following is a specific embodiment of the double-volute efficient energy-saving mining water pump.

The double-volute efficient energy-saving mining water pump in the specific embodiment, as shown in fig. 1-10, comprises: the device comprises a driving shaft 2, a front bearing cover 3, a suction section 5, two middle sections 7, an impeller 8, a discharge section 10 and a rear bearing cover 17 which are mutually attached and connected; one end of the driving shaft 2 is connected with the output end of the driving motor through a coupler 1, one end of the suction section 5 is in threaded connection with the front bearing cover 3, the suction section 5 is in embedded connection with the middle section 7, the middle section 7 is in embedded connection with the discharge section 10, the discharge section 10 is in threaded connection with the rear bearing cover 17, the driving shaft 2 penetrates through the front bearing cover 3, the suction section 5, the middle section 7, the discharge section 10 and the rear bearing cover 17, the front bearing cover 3 and the rear bearing cover 17 are movably sleeved with ball bearings 19, the inside of the ball bearings 19 is in rotary connection with the driving shaft 2, one side of one ball bearing 19 is fixedly provided with an end cover 18, and the driving shaft 2 extends to the inside of the end cover 18; an impeller 8 is fixedly arranged on the driving shaft 2, and the impeller 8 is positioned in the middle section 7; the bottoms of the suction section 5 and the discharge section 10 are fixedly connected with a base 23 through a supporting seat 24, and a motor seat 25 is fixedly arranged on one side of the base 23.

The driving shaft 2 is connected with the output end of the driving motor through the coupler 1, the front bearing cover 3 is screwed on the suction section 5 to realize installation, the driving shaft 2 is enabled to stably rotate on the ball bearing 19 of the front bearing cover 3, the transmission stability of the driving shaft 2 is ensured, the driving shaft 2 can drive the impeller 8 to rotate at high speed in the middle section 7 and the discharge section 10 respectively, the connection parts of the impeller 8, the middle section 7 and the discharge section 10 are respectively connected by the guide vane sleeve 9, and the tightness of the impeller 8 in transmission is ensured;

the supporting seat 24 is used for fixing the suction section 5 and the discharge section 10, after the suction section 5 is fixed on the base 23 through the supporting seat 24, the middle section 7 and the discharge section 10 are sequentially installed on one side of the suction section 5, after the discharge section 10 is limited through the screw 27, the mounting seat at the bottom of the discharge section 10 is fixed on the base 23 to realize stable installation, and the stability of the whole structure is ensured;

the front bearing cover 3 and the rear bearing cover 17 are used for installing the ball bearings 19, so that both ends of the driving shaft 2 can stably drive in the ball bearings 19, and the stability of the driving shaft 2 is ensured.

Detailed description of the preferred embodiments

The double-volute efficient energy-saving mining water pump in the embodiment is further defined on the basis of the first embodiment as shown in fig. 1-4, 7 and 8: the utility model discloses a suction section, including suction section 5, packing gland 4, suction section 5 one end and packing gland 4 fixed connection, packing gland 4 is annular structure, packing gland 4 cup joints with drive shaft 2 surface activity, suction section 5 surface fixed mounting has water inlet 20, water inlet 20 level sets up and communicates with suction section 5 is inside, just water inlet 20 communicates with suction section 5 is inside.

The packing gland 4 is used for sealing one side of the packing box cavity 22, so that high-pressure water flow generated during water flow conveying enters the inside of the packing box cavity 22, and is blocked by the packing gland 4, so that the inside of the packing box cavity 22 is sealed by water, and the sealing effect is ensured.

Detailed description of the preferred embodiments

The double-volute efficient energy-saving mining water pump in the embodiment is further defined on the basis of the first embodiment as shown in fig. 1-4, 6 and 9: the middle section 7 and one end of the suction section 5 are fixedly connected with a sealing ring 6, the impeller 8 is in sealing sleeve joint with the sealing ring 6, and the end part of the impeller 8 is in rotary connection with the inside of the sealing ring 6.

The middle section 7 is used for being respectively installed and fixed with the suction section 5 and the discharge section 10, so that the impeller 8 can rotate in the middle section 7, and multistage pressurization conveying of water flow is realized.

Detailed description of the preferred embodiments

The double-volute efficient energy-saving mining water pump in the embodiment is further defined on the basis of the first embodiment as shown in fig. 1-4, 9 and 9: the inside fixedly connected with baffle in middle section 7, drive shaft 2 runs through with the baffle middle part and inserts, baffle edge fixedly connected with stator cover 9, just stator cover 9 cup joints with drive shaft 2 is sealed, baffle one side is equipped with impeller 8, the baffle opposite side is formed with the cavity that is used for rivers spiral to flow.

The impeller 8 can rotate at a high speed in the middle section 7 by the aid of the partition plates, meanwhile, a water flow pressurizing area is formed on the other side of the partition plates of the middle section 7, water flow can be pressurized in the middle section 7 and then discharged at a high speed, and the high efficiency of the mining water pump is improved;

the vane sleeves 9 are arranged at the joints of the impeller 8, the suction section 5 and the middle section 7, so that the sealing effect around the impeller 8 is ensured.

Detailed description of the preferred embodiments

The double-volute efficient energy-saving mining water pump in the embodiment is further defined on the basis of the first embodiment as shown in fig. 2: the inside fixed mounting of section 10 has balanced cover 11, balanced cover 11 runs through with drive shaft 2 and cup joints, balanced cover 11 one side and balanced ring 12 fixed connection, balanced ring 12 surface and balance dish 13 fixed connection, just balanced ring 12 and balance dish 13 all run through with drive shaft 2 and cup joint.

Through setting up balance cover 11, balance ring 12 and balance plate 13 can realize the stable rotation of drive shaft 2, makes drive shaft 2 can be in suction section 5, middle section 7 and the stable rotation of section 10 that spits, guarantees the stability of mining water pump during operation.

Detailed description of the preferred embodiments six

The double-volute efficient energy-saving mining water pump in the embodiment is further defined on the basis of the first embodiment as shown in fig. 1-4, 6 and 9: the suction section 5 and the discharge section 10 are both in rotary connection with the driving shaft 2, stuffing box cavities 22 are arranged in the suction section 5 and the discharge section 10, the stuffing box cavities 22 are correspondingly arranged on the surface of the driving shaft 2, a water outlet 21 is fixedly arranged at the top of the discharge section 10, and the water outlet 21 and the water inlet 20 are vertically distributed.

The stuffing box cavity 22 can realize high-pressure water flow entering, water sealing is formed in the stuffing box cavity 22 to ensure sealing performance of two ends of the mining water pump, so that water flow enters the suction section 5 from the water inlet 20, enters the plurality of middle sections 7 after preliminary pressurization, is discharged from the water outlet 21 of the discharge section 10 after multistage pressurization in the middle sections 7, and is beneficial to improving energy saving performance.

Detailed description of the preferred embodiments

The double-volute efficient energy-saving mining water pump under the specific embodiment is further defined on the basis of the first specific embodiment as shown in fig. 1-4: the packing box body 14 is fixedly arranged in the discharge section 10, the packing box body 14 is fixedly connected with the balance disc 13, the balance ring 12 and the balance sleeve 11 are all of annular structures, and the packing box body 14 and the suction section 5 are both provided with the packing box cavity 22.

The stuffing box body 14, the suction section 5 and the two ends of the driving shaft 2 form a stuffing box cavity 22, so that the sealing performance of the two ends of the driving shaft 2 can be ensured, meanwhile, the balance disc 13, the balance ring 12 and the balance sleeve 11 can ensure the stable rotation of the driving shaft 2, the leakage risk of the mining water pump can be effectively reduced, the overhaul times are reduced, and the service performance of the mining water pump is improved.

Detailed description of the preferred embodiments

The double-volute efficient energy-saving mining water pump in the embodiment is further defined on the basis of the first embodiment as shown in fig. 1, 3 and 4: the middle section 7, the discharge section 10 and the rear bearing cover 17 are fixedly provided with a plurality of fixing blocks 26, each fixing block 26 is internally penetrated and inserted with a screw 27, the surface of the suction section 5 is fixedly provided with a thread bush 28, and the inside of the thread bush 28 is in threaded connection with the screw 27.

The fixing block 26 is used for limiting the screw 27, the screw 27 passes through the fixing block 26 and then is screwed on the thread sleeve 28, the middle section 7 is pressed on the suction section 5 by the discharge section 10 through the cooperation of the screw 27 and the thread sleeve 28, the integrity and stability of the mining water pump are ensured, the sealing performance of the joint of the suction section 5, the middle section 7 and the discharge section 10 is realized, after the installation, the supporting seat 24 at the bottom of the discharge section 10 is fixed on the base 23 to realize further installation and fixation, and the stability of the mining water pump during operation is improved;

when maintenance is needed, the screw 27 is only required to be unscrewed to be separated from the threaded sleeve 28, and then the ejection section 10 and the middle section 7 are sequentially detached for maintenance.

Detailed description of the preferred embodiments nine

The following is a specific implementation mode of the installation method of the double-volute efficient energy-saving mining water pump.

According to the mounting method of the double-volute efficient energy-saving mining water pump in the specific embodiment, the suction section 5 is mounted and fixed on the base 23 through the supporting seat 24, the middle section 7 is sequentially mounted on one side of the suction section 5, the discharge section 10 is mounted on the middle section 7, the front bearing cover 3 is finally mounted on the suction section 5, the rear bearing cover 17 is mounted on the discharge section 10, the screw 27 sequentially penetrates through the fixing block 26 and then is screwed into the thread bush 28, the discharge section 10, the middle section 7 and the suction section 5 are mutually extruded through extrusion of the screw 27 to realize sealing mounting, structural stability is guaranteed, the driving motor is mounted on the motor seat 25, and the output end of the driving motor is connected with the coupler 1 to realize stable transmission.

Detailed description of the preferred embodiments

The following is a specific implementation mode of the working method of the double-volute efficient energy-saving mining water pump.

According to the working method of the double-volute efficient energy-saving mining water pump in the specific embodiment, firstly, a water source is filled into the suction section 5, a driving motor is started, the driving shaft 2 is driven to rotate on ball bearings 19 of the front bearing cover 3 and the rear bearing cover 17 through the coupler 1, the driving shaft 2 drives the impellers 8 to rotate in the middle section 7, negative pressure is formed in the middle section 7, the water source is conveyed to the suction section 5 from the water inlet 20 and conveyed to the middle section 7 through the impellers 8, the water source is pressurized through centrifugal effect and then conveyed to the inside of the other middle section 7, and finally the water source is conveyed to the discharge section 10 through the impellers 8 and discharged through the water outlet 21.

It should be noted that the above is only a specific embodiment of the present application, and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

It should be noted that, the technical features listed in the foregoing embodiments can be arranged and combined as long as they are not contradictory, and those skilled in the art can exhaust the results after each arrangement and combination according to the mathematical knowledge of the arrangement and combination learned by the senior citizen, and all the results after the arrangement and combination should be understood as being disclosed in the present application.

Claims

1. The utility model provides a two spiral case high-efficient energy-conserving mining water pump which characterized in that includes: the device comprises a driving shaft (2), a front bearing cover (3), a suction section (5), two middle sections (7) which are mutually attached and connected, an impeller (8), a discharge section (10) and a rear bearing cover (17); the novel rotary electric motor is characterized in that one end of the driving shaft (2) is connected with the output end of the driving motor through the coupler (1), one end of the suction section (5) is in threaded connection with the front bearing cover (3), the suction section (5) is in embedded connection with the middle section (7), the middle section (7) is in embedded connection with the discharge section (10), the discharge section (10) is in threaded connection with the rear bearing cover (17), the driving shaft (2) penetrates through the front bearing cover (3), the suction section (5), the middle section (7), the discharge section (10) and the rear bearing cover (17), ball bearings (19) are movably sleeved on the front bearing cover (3) and the rear bearing cover (17), the inside of each ball bearing (19) is in rotary connection with the driving shaft (2), one side of each ball bearing (19) is fixedly provided with an end cover (18), and the driving shaft (2) extends into the end cover (18). An impeller (8) is fixedly arranged on the driving shaft (2), and the impeller (8) is positioned in the middle section (7); the bottom of the suction section (5) and the bottom of the discharge section (10) are fixedly connected with the base (23) through the supporting seat (24), and a motor seat (25) is fixedly arranged on one side of the base (23).

2. The mining water pump with double spiral cases and high efficiency and energy saving as claimed in claim 1, wherein one end of the suction section (5) is fixedly connected with a packing gland (4), the packing gland (4) is of a circular ring structure, the packing gland (4) is movably sleeved on the surface of the driving shaft (2), a water inlet (20) is fixedly arranged on the surface of the suction section (5), the water inlet (20) is horizontally arranged and is communicated with the interior of the suction section (5), and the water inlet (20) is communicated with the interior of the suction section (5).

3. The double-volute efficient energy-saving mining water pump according to claim 1, wherein a sealing ring (6) is fixedly connected to one end of the middle section (7) and one end of the suction section (5), the impeller (8) is in sealing sleeve joint with the sealing ring (6), and the end part of the impeller (8) is in rotary connection with the inside of the sealing ring (6).

4. The double-volute efficient energy-saving mining water pump according to claim 1, wherein a partition plate is fixedly connected inside the middle section (7), the driving shaft (2) is inserted through the middle part of the partition plate, a guide vane sleeve (9) is fixedly connected to the edge of the partition plate, the guide vane sleeve (9) is in sealing sleeve connection with the driving shaft (2), an impeller (8) is arranged on one side of the partition plate, and a cavity for water flow spiral flow is formed on the other side of the partition plate.

5. The mining water pump with double spiral cases and high efficiency and energy saving as claimed in claim 1, wherein a balance sleeve (11) is fixedly installed inside the discharge section (10), the balance sleeve (11) is in penetrating sleeve joint with the driving shaft (2), one side of the balance sleeve (11) is fixedly connected with a balance ring (12), the surface of the balance ring (12) is fixedly connected with a balance disc (13), and the balance ring (12) and the balance disc (13) are in penetrating sleeve joint with the driving shaft (2).

6. The mining water pump with double spiral cases and high efficiency and energy saving as claimed in claim 1, wherein the suction section (5) and the discharge section (10) are both in rotary connection with the driving shaft (2) and the suction section (5) and the discharge section (10) are both internally provided with stuffing box cavities (22), the stuffing box cavities (22) are correspondingly arranged on the surface of the driving shaft (2), water outlets (21) are fixedly arranged at the top of the discharge section (10), and the water outlets (21) are vertically distributed with the water inlets (20).

7. The double-volute efficient energy-saving mining water pump according to claim 1, wherein a stuffing box body (14) is fixedly arranged in the discharge section (10), the stuffing box body (14) is fixedly connected with a balance disc (13), the balance disc (13), a balance ring (12) and a balance sleeve (11) are all of circular ring structures, and stuffing box cavities (22) are formed in the stuffing box body (14) and the suction section (5).

8. The double-volute efficient energy-saving mining water pump according to claim 1, wherein a plurality of fixing blocks (26) are fixedly arranged on the middle section (7), the discharge section (10) and the rear bearing cover (17), each fixing block (26) is internally penetrated and inserted with a screw rod (27), a threaded sleeve (28) is fixedly arranged on the surface of the suction section (5), and the inside of the threaded sleeve (28) is in threaded connection with the screw rod (27).

9. The utility model provides a mounting method of two spiral case high-efficient energy-conserving mining water pumps, characterized by, install suction section (5) on base (23) through supporting seat (24), install section (7) behind suction section (5) one side in proper order, install section (10) on section (7) of spitting, install preceding bearing cap (3) on suction section (5) at last, install back bearing cap (17) on section (10) of spitting, and screw up screw rod (27) after passing fixed block (26) in proper order in threaded sleeve (28) inside, make section (10) of spitting, section (7) and suction section (5) each other extrudeed each other through the extrusion of screw rod (27) and realize sealed installation, guarantee structural stability, install driving motor on motor cabinet (25) again, and connect driving motor's output and shaft coupling (1), realize stable transmission.

10. The utility model provides a work method of energy-efficient mining water pump of double volute, characterized by, firstly pour into the water source into suction section (5), and start driving motor, drive shaft (2) through shaft coupling (1) and rotate on ball bearing (19) of preceding bearing cap (3) and back bearing cap (17), drive shaft (2) drive a plurality of impellers (8) in middle section (7) inside rotation, make middle section (7) inside form the negative pressure, carry the water source from water inlet (20) to suction section (5), and send inside middle section (7) through impeller (8), carry another middle section (7) inside after making the water source pressurization through centrifugal action, finally carry the water source to spit out section (10) through impeller (8), and discharge through delivery port (21).