CN204082566U - Flame-proof mine subduction coal slime electric pump - Google Patents

Flame-proof mine subduction coal slime electric pump Download PDF

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Publication number
CN204082566U
CN204082566U CN201420335645.6U CN201420335645U CN204082566U CN 204082566 U CN204082566 U CN 204082566U CN 201420335645 U CN201420335645 U CN 201420335645U CN 204082566 U CN204082566 U CN 204082566U
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China
Prior art keywords
pump
flame
proof
coal slime
subduction
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Expired - Fee Related
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CN201420335645.6U
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Chinese (zh)
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于贵彬
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Individual
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Individual
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Abstract

Flame-proof mine subduction coal slime electric pump, by meeting Flame-Proof Three-Phase Induction Motors and pump two large divisions forms, Flame-Proof Three-Phase Induction Motors and the coaxial direct connection of pump, it is characterized in that, in the lower end of the axle of Flame-Proof Three-Phase Induction Motors and pump, swirling flow mixer (13) is housed, the terminal box cap (4) of flame-proof mine subduction coal slime electric pump is provided with explosion-proof electrification pressure relief system (2).Compared with prior art, mud, coal slime and water, owing to having installed a, swirling flow mixer, stir by the utility model, and produce lifting force upwards, substantially increase thickness coal slime mobility upwards, improve the efficiency of pump.B, installed explosion-proof electrification pressure relief system, water pump therefore can be avoided when abnormal runnings such as anhydrous, phase shortages, and the motor feels hot to making motor cavity pressure raise, the security incident caused during over-limit condition, ensures water pump safe operation.

Description

Flame-proof mine subduction coal slime electric pump
Technical field
The utility model relates to a kind of Novel mine explosion-proof type subduction coal slime electric pump.
Background technique
As everyone knows, current colliery uses the pump class of cleaning coal slime, efficiency is low, and using effect is poor, can not meet the usage requirement of colliery cleaning coal slime, also there is potential safety hazard in addition: the pump class explosion-proof motor shell of cleaning coal slime is sealing configuration, because artificial origin reasons such as (anhydrous) phase-deficient operations causes the inside, the motor feels hot, causes sealing configuration inner air to expand, pressure increase, during over-limit condition, easily cause security incident.In addition, the membrane pump with pneumatic drive that present colliery uses, be compressed-air actuated potential energy converting electric energy, and then change mechanical energy into, energy loss is large, and efficiency is low.Design a kind of structure advanced person for this reason, efficiency is high, the Novel mine explosion-proof type subduction coal slime electric pump adapting to the band explosion-proof electrification pressure relief system that colliery uses is the current technical issues that need to address.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of structure with explosion-proof electrification pressure relief system is simple, efficiency is high, adopt cyclone mode, adapt to colliery uses flame-proof mine subduction coal slime electric pump.
The technical scheme in the invention for solving the technical problem is:
Flame-proof mine subduction coal slime electric pump, be made up of the Flame-Proof Three-Phase Induction Motors and pump two large divisions that meet GB3836 requirement, Flame-Proof Three-Phase Induction Motors and the coaxial direct connection of pump, in the lower end of the axle of Flame-Proof Three-Phase Induction Motors and pump, swirling flow mixer is housed, the terminal box cap of flame-proof mine subduction coal slime electric pump arranges explosion-proof electrification pressure relief system.
As a kind of preferred version of the present utility model, described Flame-Proof Three-Phase Induction Motors is by stator case, stators and rotators is formed, described pump is made up of pump spiral case and impeller, pump spiral case is connected by mechanical sealing chamber with stator case, mechanical seal is provided with between mechanical sealing chamber and pump spiral case, at pump spiral case, bottom be provided with ring-shaped base, described terminal box cap is located at the top of stator case, cable is drawn by terminal box cap and cable platen, the axle of Flame-Proof Three-Phase Induction Motors and pump rotates fixing by upper bearing bracket and mechanical sealing chamber and pump spiral case and stator case, swirling flow mixer is in the chamber of ring-shaped base.
As a kind of preferred version of the present utility model, described pump is one stage impeller pump, both stage impellers pump or multi-stage impeller; The pump spiral case of both stage impellers pump is divided into pump spiral case and lower pump spiral case, and impeller is divided into impeller and lower impeller.
As a kind of preferred version of the present utility model, described swirling flow mixer by justify cover and multiple spiral blade form, multiple spiral blade is welded on circle cover or multiple spiral blade overlaps with circle the casting be integrated, the diameter matches of the internal diameter of circle cover and the axle of Flame-Proof Three-Phase Induction Motors and pump.
As a kind of preferred version of the present utility model, described explosion-proof electrification pressure relief system is made up of valve body, spool, spring, spring compression nut and sealing gasket, the section configuration of valve body is U-shaped, the end of valve body, there is inlet hole, spring compression nut there is air outlet hole, there is spring positioning groove the upper end of spool, spool, spring, spring compression nut and the erection sequence of sealing gasket in valve pocket are followed successively by sealing gasket, spool, spring and spring compression nut from the bottom up, valve body and spool radial bilateral gap ∠ 0.4mm, fitting surface length 22mm.
As a kind of preferred version of the present utility model, the end of valve body, has annular protrusion upwards, the internal diameter of annular protrusion is identical with the diameter of inlet hole, the external diameter of annular protrusion is less than the internal diameter of spool, groove is upwards had in the bottom surface of spool, the diameter of groove is greater than the external diameter of annular protrusion, and the degree of depth of groove is suitable with the thickness of sealing gasket.
As a kind of preferred version of the present utility model, the outer cylinder of described valve body is light face, and housing has the hole of diameter matches, and the end stretch of valve body is entered in the chamber of terminal box cap, the outer cylinder of valve body and terminal box cap seal welding.
As a kind of preferred version of the present utility model, the outer cylinder of described valve body is light face, has adpting flange at the outer cylinder of valve body, and the end stretch of valve body is entered in the chamber of housing, and valve body is tightly connected by screw and terminal box cap.
As a kind of preferred version of the present utility model, wing pump spiral case material is wear resisting cast iron or nonmetallic wear-resistant material.
Working principle of the present utility model:
When after motor start-up, electric machine rotation, drives water pump vane to rotate, due to the effect of centrifugal force by output shaft, impeller inlet place is made to form negative pressure, add upper and lower end and swirling flow mixer is housed, mud, coal slime and water are stirred, and produce lifting force upwards, by sewage (mud, coal slime) intake impeller, impeller drives sewage (mud, coal slime) to rotate, and liquid kinetic energy being increased, becoming potential energy by making the kinetic transformation of liquid after the pump housing.The row's of completing coal slime (mud, water) works.
Compared with prior art, mud, coal slime and water, owing to having installed swirling flow mixer, stir by the utility model, and produce lifting force upwards, substantially increase thickness coal slime mobility upwards, improve the efficiency of pump.(2) owing to having installed explosion-proof electrification pressure relief system, water pump therefore can be avoided when abnormal runnings such as anhydrous, phase shortages, and the motor feels hot to making motor cavity pressure raise, the security incident caused during over-limit condition, ensures water pump safe operation.Filled up not used for underground coal mine with safety protection device, cyclone mixing lifting wheel and the blank of the high flame-proof mine subduction coal slime electric pump of efficiency, the utility model can be used for clearing up mud, the coal slime in sump, and the place draining containing silt, coal grain, landwaste, solid particle in puddle; Also the occasion that can be used for non-colliery uses, and electric pump is easy to install.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model (one-level vane pump);
Fig. 2 is structural representation of the present utility model (secondary vane pump);
Fig. 3 is the connection diagram (the first embodiment) of part 1 and part 4 in Fig. 1 Fig. 2;
Fig. 4 is the connection diagram (the second embodiment) of part 1 and part 4 in Fig. 1 Fig. 2.
Embodiment
As shown in the figure, flame-proof mine subduction coal slime electric pump, by meeting Flame-Proof Three-Phase Induction Motors and pump two large divisions forms, Flame-Proof Three-Phase Induction Motors and the coaxial direct connection of pump, in the lower end of the axle of Flame-Proof Three-Phase Induction Motors and pump, swirling flow mixer 13 is housed, the terminal box cap 4 of flame-proof mine subduction coal slime electric pump is provided with explosion-proof electrification pressure relief system 2.
Described Flame-Proof Three-Phase Induction Motors is by stator case 6, stator 8 and rotor 7 are formed, described pump is made up of pump spiral case 11 and impeller 12, pump spiral case 11 is connected by mechanical sealing chamber 9 with stator case 6, mechanical seal 10 is provided with between mechanical sealing chamber 9 and pump spiral case 11, at pump spiral case 11, bottom be provided with ring-shaped base 14, described terminal box cap 4 is located at the top of stator case 6, cable 1 is drawn by terminal box cap 4 and cable platen 3, the axle of Flame-Proof Three-Phase Induction Motors and pump rotates fixing by upper bearing bracket 5 and mechanical sealing chamber 9 with pump spiral case 11 and stator case 6, swirling flow mixer 13 is in the chamber of ring-shaped base 14.
Described pump is one stage impeller pump, both stage impellers pump or multiple impeller pump; The pump spiral case of both stage impellers pump is divided into pump spiral case 11-1 and lower pump spiral case 11-2, and impeller is divided into impeller 12-1 and lower impeller 12-2.
Described swirling flow mixer 13 is made up of circle cover and multiple spiral blade, multiple spiral blade is welded on circle cover or multiple spiral blade overlaps with circle the casting be integrated, the diameter matches of the internal diameter of circle cover and the axle of Flame-Proof Three-Phase Induction Motors and pump.
Described explosion-proof electrification pressure relief system 2 is made up of valve body 2-3, spool 2-2, spring 2-4, spring compression nut 2-5 and sealing gasket 2-1, the section configuration of valve body 2-3 is U-shaped, the end of valve body 2-3, has inlet hole 2-7, spring compression nut 2-5 there is air outlet hole 2-6, there is spring positioning groove the upper end of spool 2-2, spool 2-2, spring 2-4, spring compression nut 2-5 and the erection sequence of sealing gasket 2-1 in valve pocket are followed successively by sealing gasket 2-1, spool 2-2, spring 2-4 and spring compression nut 2-5 from the bottom up.
The end of valve body 2-3, has annular protrusion 2-0 upwards, the internal diameter of annular protrusion 2-0 is identical with the diameter of inlet hole 2-7, the external diameter of annular protrusion 2-0 is less than the internal diameter of spool 2-2, groove is upwards had in the bottom surface of spool 2-2, the diameter of groove is greater than the external diameter of annular protrusion 2-0, and the degree of depth of groove is suitable with the thickness of sealing gasket 2-1.
The outer cylinder of described valve body 2-3 is light face, and housing 1 has the hole of diameter matches, and the end stretch of valve body 2-3 is entered in the chamber of terminal box cap 4, the outer cylinder of valve body 2-3 and terminal box cap 4 seal welding.
The outer cylinder of described valve body 2-3 is light face, has adpting flange at the outer cylinder of valve body 2-3, and the end stretch of valve body 2-3 is entered in the chamber of housing 1, and valve body 2-3 is tightly connected by screw 2-8 and terminal box cap 4.
Wing pump spiral case material is wear resisting cast iron or nonmetallic wear-resistant material.

Claims (9)

1. flame-proof mine subduction coal slime electric pump, be made up of the Flame-Proof Three-Phase Induction Motors and pump two large divisions that meet GB3836 requirement, Flame-Proof Three-Phase Induction Motors and the coaxial direct connection of pump, it is characterized in that, in the lower end of the axle of Flame-Proof Three-Phase Induction Motors and pump, swirling flow mixer (13) is housed, the terminal box cap (4) of flame-proof mine subduction coal slime electric pump arranges explosion-proof electrification pressure relief system (2).
2. flame-proof mine subduction coal slime electric pump according to claims 1, it is characterized in that, described Flame-Proof Three-Phase Induction Motors is by stator case (6), stator (8) and rotor (7) are formed, described pump is made up of pump spiral case (11) and impeller (12), pump spiral case (11) is connected by mechanical sealing chamber (9) with stator case (6), mechanical seal (10) is provided with between mechanical sealing chamber (9) and pump spiral case (11), in pump spiral case (11), bottom be provided with ring-shaped base (14), described terminal box cap (4) is located at the top of stator case (6), cable (1) is drawn by terminal box cap (4) and cable platen (3), the axle of Flame-Proof Three-Phase Induction Motors and pump rotates fixing by upper bearing bracket (5) and mechanical sealing chamber (9) with pump spiral case (11) and stator case (6), swirling flow mixer (13) is in the chamber of ring-shaped base (14).
3. flame-proof mine subduction coal slime electric pump according to claims 2, is characterized in that, described pump is one stage impeller pump, both stage impellers pump or multi-stage impeller; The pump spiral case of both stage impellers pump is divided into pump spiral case (11-1) and lower pump spiral case (11-2), and impeller is divided into impeller (12-1) and lower impeller (12-2).
4. flame-proof mine subduction coal slime electric pump according to claims 1, it is characterized in that, described swirling flow mixer (13) is made up of circle cover and multiple spiral blade, multiple spiral blade is welded on circle cover or multiple spiral blade overlaps with circle the casting be integrated, the diameter matches of the internal diameter of circle cover and the axle of Flame-Proof Three-Phase Induction Motors and pump.
5. flame-proof mine subduction coal slime electric pump according to claims 1, it is characterized in that, described explosion-proof electrification pressure relief system (2) is by valve body (2-3), spool (2-2), spring (2-4), spring compression nut (2-5) and sealing gasket (2-1) are formed, the section configuration of valve body (2-3) is U-shaped, the end of valve body (2-3), has inlet hole (2-7), spring compression nut (2-5) there is air outlet hole (2-6), there is spring positioning groove the upper end of spool (2-2), spool (2-2), spring (2-4), spring compression nut (2-5) and the erection sequence of sealing gasket (2-1) in valve pocket are followed successively by sealing gasket (2-1) from the bottom up, spool (2-2), spring (2-4) and spring compression nut (2-5), valve body and the radial bilateral gap ∠ 0.4mm of spool, fitting surface length 22mm.
6. flame-proof mine subduction coal slime electric pump according to claims 5, it is characterized in that, the end of valve body (2-3), has annular protrusion (2-0) upwards, the internal diameter of annular protrusion (2-0) is identical with the diameter of inlet hole (2-7), the external diameter of annular protrusion (2-0) is less than the internal diameter of spool (2-2), have groove upwards in the bottom surface of spool (2-2), the diameter of groove is greater than the external diameter of annular protrusion (2-0), and the thickness of the degree of depth of groove and sealing gasket (2-1) is suitable.
7. flame-proof mine subduction coal slime electric pump according to claims 5, it is characterized in that, the outer cylinder of described valve body (2-3) is light face, housing (1) has the hole of diameter matches, the end stretch of valve body (2-3) is entered in the chamber of terminal box cap (4), the outer cylinder of valve body (2-3) and terminal box cap (4) seal welding.
8. flame-proof mine subduction coal slime electric pump according to claim 5, it is characterized in that, the outer cylinder of described valve body (2-3) is light face, adpting flange is had at the outer cylinder of valve body (2-3), the end stretch of valve body (2-3) is entered in the chamber of housing (1), and valve body (2-3) is tightly connected by screw (2-8) and terminal box cap (4).
9. flame-proof mine subduction coal slime electric pump according to claims 2, is characterized in that: wing pump spiral case material is wear resisting cast iron or nonmetallic wear-resistant material.
CN201420335645.6U 2014-06-23 2014-06-23 Flame-proof mine subduction coal slime electric pump Expired - Fee Related CN204082566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420335645.6U CN204082566U (en) 2014-06-23 2014-06-23 Flame-proof mine subduction coal slime electric pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420335645.6U CN204082566U (en) 2014-06-23 2014-06-23 Flame-proof mine subduction coal slime electric pump

Publications (1)

Publication Number Publication Date
CN204082566U true CN204082566U (en) 2015-01-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420335645.6U Expired - Fee Related CN204082566U (en) 2014-06-23 2014-06-23 Flame-proof mine subduction coal slime electric pump

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529398A (en) * 2019-09-30 2019-12-03 郑建兵 The explosion-proof sewage dirt submersible pump of oil immersed type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529398A (en) * 2019-09-30 2019-12-03 郑建兵 The explosion-proof sewage dirt submersible pump of oil immersed type

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150107

Termination date: 20150623

EXPY Termination of patent right or utility model