CN202851388U - Flame-proof type submersible sand-draining electric pump for mining - Google Patents
Flame-proof type submersible sand-draining electric pump for mining Download PDFInfo
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- CN202851388U CN202851388U CN 201220572487 CN201220572487U CN202851388U CN 202851388 U CN202851388 U CN 202851388U CN 201220572487 CN201220572487 CN 201220572487 CN 201220572487 U CN201220572487 U CN 201220572487U CN 202851388 U CN202851388 U CN 202851388U
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Abstract
The utility relates to a flame-proof type submersible sand-draining electric pump for mining and belongs to the field of under-mine sand-draining submersible electric pump. A motor upper end cover with an upper bearing is arranged at the upper end of a motor shell, the lower end of the motor shell is connected with a bearing chamber with a lower bearing, rotors of a stator are arranged inside the upper bearing and the lower bearing, the upper portion and the lower portion of a stream guidance sleeve arranged outside the motor shell are respectively connected with a water outlet pipe and a stream guidance pipe, a sealing seat is arranged among the bearing chamber, a stream guidance shell and an oil chamber. An auxiliary vane wheel is arranged inside the oil chamber, a secondary vane wheel is arranged inside a secondary guide vane inside the stream guidance shell, a primary stage vane wheel is arranged inside a primary stage guide vane, a water inlet cover plate is arranged between the stream guidance shell and a water inlet base plate, a mechanical seal part is arranged on the rotors, pressure relief vents are formed in the stream guidance shell, and thus pressure relief protection to motor cables, a protection sleeve, the stator and the mechanical seal part is achieved. The flame-proof type submersible sand-draining electric pump for the mining is compact in structure, large in quantity of flow and high in lift.
Description
Technical field
The utility model mining flame-proof type submersible sediment outflow electric pump relates to for getting rid of the electric pump field that water contains sand under the ore deposit.
Background technique
Mining flame-proof type submersible sediment outflow electric pump in the past is because the hydraulic pressure in the impeller counterpressure chamber in blower inlet casing is excessive, part water may be entered in the stator of motor, and motor is damaged, and make motor lead-in cable line and protective case thereof be squeezed badly and make the motor cisco unity malfunction by hydraulic pressure, in addition, also may make in the oil-in chamber at mechanical seal place makes mechanical seal be easy to damage because press water bleeds, therefore, need to be designed with an a kind of mining flame-proof type submersible sediment outflow electric pump that can be reduced pressure in impeller counterpressure chamber.
Summary of the invention
The purpose of this utility model provides a kind of mining flame-proof type submersible sediment outflow electric pump, by having pressure relief vent at blower inlet casing, can reach the purpose that the hydraulic pressure that makes in the impeller counterpressure chamber reduces and can protect motor, elastic cable paper and mechanical seal normally to move.
Mining flame-proof type submersible sediment outflow electric pump, formed by upper bearing (metal), motor upper cover, bearing chamber, sealing seat, sub-propeller, blower inlet casing, chopped-off head stator, first stage impeller, water inlet cover plate, water inlet base, water inlet guard, secondary impeller, secondary stator, oil-in chamber, mechanical seal, lower bearing, flow guide sleeve, rotor, stator, outlet pipe, motor housing, the motor upper cover that upper bearing (metal) is equipped with in inside is connected with the motor housing upper end, and the motor housing lower end is connected with the bearing chamber upper end; Upper end and the middle part of rotor that is positioned at the stator center of motor is installed in respectively upper bearing (metal) and lower bearing; The flow guide sleeve top of motor housing outside is connected with outlet pipe, and the flow guide sleeve bottom is connected with blower inlet casing; Sealing seat is installed between the bearing chamber bottom and blower inlet casing top that lower bearing is housed, the oil-in chamber upper end is connected with sealing seat, oil-in chamber has sub-propeller in the lower end, in the secondary stator in blower inlet casing secondary impeller is arranged, and in the chopped-off head stator in blower inlet casing first stage impeller is arranged; The water inlet cover plate is installed between blower inlet casing and the water inlet base; Mechanical seal in oil-in chamber is sleeved on the rotor; Sub-propeller and secondary impeller are installed in the rotor bottom by the sub-propeller key, and first stage impeller is installed in the rotor lower end by the first stage impeller key, at the rotor axle head rotor shaft end nut are housed, and axially locating is made in the first stage impeller lower end; In the water inlet base, be equipped with into the water guard; In blower inlet casing, have pressure relief vent.
This mining flame-proof type submersible sediment outflow electric pump working order is described as follows:
After motor obtains power supply by wiring terminal from extraction cable, rotor in the stator just can turn round in upper bearing (metal) He in the lower bearing, make to be installed in epitrochanterian sub-propeller, secondary impeller and to be installed in epitrochanterian first stage impeller by the first stage impeller key by the sub-propeller key and turn round simultaneously, then the sand water that contains under the ore deposit is drawn in the blower inlet casing after by the water inlet guard of water inlet in the base to water intake by A, contain sand water again behind the runner between flow guide sleeve and motor housing the outlet pipe B from flow guide sleeve top discharge to water outlet, the water inlet guard can prevent that foreign material enter in the pump in the sealing.
The flow that contains sand water that this mining flame-proof type submersible sediment outflow electric pump can be discharged is per hour between 20 tons to 300 tons, and its H-Max can reach 250 meters, and power of motor is between 30 kilowatts to 110 kilowatts.
The structure of this mining flame-proof type submersible sediment outflow electric pump further specifies as follows:
Motor upper cover is connected with the motor housing upper end, and upper bearing (metal) is installed in motor upper cover, and the motor housing lower end is connected with the outside, bearing chamber upper end; The rotor upper end that is positioned at the stator center place of motor is installed in the upper bearing (metal) inner ring, and the rotor middle part is installed in the lower bearing inner ring, and lower bearing is installed in the bearing chamber.
The flow guide sleeve top of motor housing outside is connected with outlet pipe, contain sand water through flow guide sleeve by the water outlet B of outlet pipe to discharge.
The sealing seat outside is installed between bearing chamber bottom and the blower inlet casing top, and the sealing seat inboard is installed between bearing chamber bottom and the oil-in chamber, is sleeved on epitrochanterian mechanical seal between sealing seat and oil-in chamber, is marked with lubricant oil in oil-in chamber.In the oil-in chamber lower end sub-propeller is housed, sub-propeller and secondary impeller all are installed in the rotor bottom by the sub-propeller key, and first stage impeller is installed in the rotor lower end by impeller key first.Secondary impeller is positioned at secondary stator, and first stage impeller is positioned at the chopped-off head stator, and secondary stator and chopped-off head stator are all in blower inlet casing.
At Rotor terminal rotor lower end nut is installed, first stage impeller is made axially locating, to prevent its axial float.
The water inlet cover plate is installed between the water inlet base of the blower inlet casing on top and bottom, and the water inlet guard is installed in the water base.
In blower inlet casing, between the oil-in chamber outside and the sealing seat bottom, consist of impeller counterpressure chamber; in order not make in the impeller counterpressure chamber hydraulic pressure too high and damage elastic cable paper and sheath and anti-sealing thereof and enter in the motor stator; and protection mechanical seal; in blower inlet casing, have pressure relief vent; so that release was used when water pressure was excessive; and the pressure relief vent guard is installed outside pressure relief vent, in case foreign material advance in the interior blower inlet casing.
Mining flame-proof type submersible sediment outflow electric pump advantage is compact structure, can discharge the water that contains sand under the ore deposit, and flow is large, and lift is high.And have pressure relief vent at blower inlet casing, effective protective action is all played in motor cable line and sheath thereof, stator, mechanical seal.
Description of drawings
Fig. 1: for mining flame-proof type submersible sediment outflow electric pump is analysed and observe the package assembly schematic diagram.
Embodiment
Referring to Fig. 1, mining flame-proof type submersible sediment outflow electric pump, formed by upper bearing (metal) 1, motor upper cover 2, bearing chamber 3, sealing seat 4, sub-propeller 5, blower inlet casing 6, chopped-off head stator 7, first stage impeller 8, water inlet cover plate 9, water inlet base 10, water inlet guard 11, secondary impeller 12, secondary stator 13, oil-in chamber 14, mechanical seal 15, lower bearing 16, flow guide sleeve 17, rotor 18, stator 19, outlet pipe 20, motor housing 21, the motor upper cover 2 that upper bearing (metal) 1 is equipped with in inside is connected with motor housing 21 upper ends, and motor housing 21 lower ends are connected with bearing chamber 3 upper ends; The upper end of rotor 18 and the middle part that are positioned at stator 19 centers of motor are installed in respectively upper bearing (metal) 1 and lower bearing 16; Flow guide sleeve 17 tops of motor housing 21 outsides are connected with outlet pipe 20, and flow guide sleeve 17 bottoms are connected with blower inlet casing 6; Sealing seat 4 is installed between bearing chamber 3 bottoms and blower inlet casing 6 tops that lower bearing 16 is housed, oil-in chamber 14 upper ends are connected with sealing seat 4, oil-in chamber has sub-propeller 5 in 14 lower ends, secondary impeller 12 is arranged in the secondary stator 13 in blower inlet casing 6, in the chopped-off head stator 7 in blower inlet casing 6 first stage impeller 8 is arranged; Water inlet cover plate 9 is installed between blower inlet casing 6 and the water inlet base 10; Mechanical seal 15 in oil-in chamber 14 is sleeved on the rotor 18; Sub-propeller 5 and secondary impeller 12 are installed in rotor 18 bottoms by sub-propeller key 22, and first stage impeller 8 is installed in rotor 18 lower ends by first stage impeller key 23, at rotor 18 axle heads rotor shaft end nut 24 are housed, and axially locating is made in first stage impeller 8 lower ends; In water inlet base 10, be equipped with into water guard 11; In blower inlet casing 6, have pressure relief vent.
As shown in Figure 1, in sealing seat 4 lower inside and oil-in chamber 14, be marked with lubricant oil, so that protection is installed in mechanical seal 15 normal operations on the rotor 18.
Between sealing seat 4 outer lower portion, oil-in chamber 14 outsides and blower inlet casing 6 inside, form impeller counterpressure chamber; when motor rotation; for preventing that excessive elastic cable paper and the sheath thereof of making of impeller counterpressure cavity pressure from damaging; and anti-sealing enters in the stator of motor; and the normal operation of protection mechanical seal, in blower inlet casing 6, have pressure relief vent, so that hydraulic pressure can play the release effect when excessive; and in the pressure relief vent outer end pressure relief vent guard is installed, in case foreign material enter in the blower inlet casing 6.
Among Fig. 1, A is to contain sand water water intake direction under the ore deposit to arrow, and the water that contains sand enters in the blower inlet casing 6 by the water inlet guard 11 in the water inlet base 10, again through the outlet pipe 20 on flow guide sleeve 17 tops, presses B to the water outlet direction water outlet of arrow.
Upper bearing (metal) 1 is radial ball bearing, and lower bearing 16 is double-row angular contact bal bearing.
Claims (2)
1. mining flame-proof type submersible sediment outflow electric pump, by upper bearing (metal) (1), motor upper cover (2), bearing chamber (3), sealing seat (4), sub-propeller (5), blower inlet casing (6), chopped-off head stator (7), first stage impeller (8), water inlet cover plate (9), water inlet base (10), water inlet guard (11), secondary impeller (12), secondary stator (13), oil-in chamber (14), mechanical seal (15), lower bearing (16), flow guide sleeve (17), rotor (18), stator (19), outlet pipe (20), motor housing (21) forms, it is characterized in that inside is equipped with the motor upper cover of upper bearing (metal) (1) (2) and motor housing (21) upper end and is connected, be connected on motor housing (21) lower end and the bearing chamber (3); Upper end and the middle part of rotor (18) that is positioned at stator (19) center of motor is installed in respectively upper bearing (metal) (1) and lower bearing (16); Outside flow guide sleeve (17) top of motor housing (21) is connected with outlet pipe (20), and flow guide sleeve (17) bottom is connected with blower inlet casing (6); Sealing seat (4) is installed between bearing chamber (3) bottom and blower inlet casing (6) top that lower bearing (16) are housed, oil-in chamber (14) upper end is connected with sealing seat (4), oil-in chamber (14) has sub-propeller (5) in the lower end, in the secondary stator (13) in blower inlet casing (6) secondary impeller (12) is arranged, in the chopped-off head stator (7) in blower inlet casing (6) first stage impeller (8) is arranged; Water inlet cover plate (9) is installed between blower inlet casing (6) and the water inlet base (10); Mechanical seal (15) in oil-in chamber (14) is sleeved on the rotor (18); Sub-propeller (5) and secondary impeller (12) are installed in rotor (18) bottom by sub-propeller key (22), first stage impeller (8) is installed in rotor (18) lower end by first stage impeller key (23), at rotor (18) axle head rotor shaft end nut (24) is housed, axially locating is made in first stage impeller (8) lower end; In water inlet base (10), be equipped with into water guard (11); In blower inlet casing (6), have pressure relief vent.
2. mining flame-proof type submersible sediment outflow electric pump according to claim 1, the pressure relief vent outer end in blower inlet casing (6) is equipped with the pressure relief vent guard.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220572487 CN202851388U (en) | 2012-10-11 | 2012-10-11 | Flame-proof type submersible sand-draining electric pump for mining |
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Application Number | Priority Date | Filing Date | Title |
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CN 201220572487 CN202851388U (en) | 2012-10-11 | 2012-10-11 | Flame-proof type submersible sand-draining electric pump for mining |
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CN202851388U true CN202851388U (en) | 2013-04-03 |
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CN 201220572487 Expired - Lifetime CN202851388U (en) | 2012-10-11 | 2012-10-11 | Flame-proof type submersible sand-draining electric pump for mining |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104121206A (en) * | 2013-04-24 | 2014-10-29 | 雷海臣 | Oil immersed type energy-saving submersible pump |
CN106685128A (en) * | 2017-03-21 | 2017-05-17 | 邵世海 | Mechanical-sealing type submersible motor |
CN108644128A (en) * | 2018-07-17 | 2018-10-12 | 浙江乾辰智能科技有限公司 | A kind of sand-proof type injection immersible pump |
CN109236682A (en) * | 2018-10-09 | 2019-01-18 | 亚太泵阀有限公司 | A kind of sand-proof type high-temperature abrasion resistant submersible pump |
CN114738291A (en) * | 2022-04-25 | 2022-07-12 | 江苏泰丰泵业有限公司 | Intelligent sewage pump with autonomous dredging function |
-
2012
- 2012-10-11 CN CN 201220572487 patent/CN202851388U/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104121206A (en) * | 2013-04-24 | 2014-10-29 | 雷海臣 | Oil immersed type energy-saving submersible pump |
CN106685128A (en) * | 2017-03-21 | 2017-05-17 | 邵世海 | Mechanical-sealing type submersible motor |
CN108644128A (en) * | 2018-07-17 | 2018-10-12 | 浙江乾辰智能科技有限公司 | A kind of sand-proof type injection immersible pump |
CN108644128B (en) * | 2018-07-17 | 2024-02-20 | 浙江乾辰智能科技有限公司 | Sand-proof type jet submersible pump |
CN109236682A (en) * | 2018-10-09 | 2019-01-18 | 亚太泵阀有限公司 | A kind of sand-proof type high-temperature abrasion resistant submersible pump |
CN109236682B (en) * | 2018-10-09 | 2024-04-12 | 亚太泵阀有限公司 | Sand-proof high-temperature abrasion-resistant submersible electric pump |
CN114738291A (en) * | 2022-04-25 | 2022-07-12 | 江苏泰丰泵业有限公司 | Intelligent sewage pump with autonomous dredging function |
CN114738291B (en) * | 2022-04-25 | 2023-06-23 | 江苏泰丰泵业有限公司 | Intelligent sewage pump with autonomous dredging function |
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CP01 | Change in the name or title of a patent holder |
Address after: 225300 No. 46, Haiyang Road, Taizhou, Jiangsu Patentee after: JIANGSU TAIFENG PUMP Co.,Ltd. Address before: 225300 No. 46, Haiyang Road, Taizhou, Jiangsu Patentee before: TAIZHOU TAIFENG PUMP INDUSTRY Co.,Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130403 |