CN203374492U - Horizontal type concentrated pulp foam pump - Google Patents
Horizontal type concentrated pulp foam pump Download PDFInfo
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- CN203374492U CN203374492U CN201320345016.7U CN201320345016U CN203374492U CN 203374492 U CN203374492 U CN 203374492U CN 201320345016 U CN201320345016 U CN 201320345016U CN 203374492 U CN203374492 U CN 203374492U
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- pump
- impeller
- ore pulp
- shaft
- foam
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Abstract
Disclosed is a horizontal type concentrated pulp foam pump. The horizontal type concentrated pulp foam pump comprises a bracket part and a pump head part, a pump head comprises an overflowing portion of a pump and a sealing portion of a pump shaft, the overflowing portion of the pump is composed of a sheath, front and rear guard boards and an impeller, the sheath is in taper fit with the front and rear guard boards respectively to form a working chamber of the pump, the impeller is arranged in the working chamber, the sealing portion of the pump shaft comprises the rear guard board, a pump body, a pressure reduction cover, an auxiliary impeller, a shaft sleeve, a graphite packing and the pump shaft, the pressure reduction cover is arranged in inner space formed by the rear guard board and the pump body, space for assembling the auxiliary impeller is formed at the right end of the pressure reduction cover, space for assembling the shaft sleeve and the graphite packing is formed on the pressure reduction cover and the pump shaft along an axial direction, and the auxiliary impeller is arranged on the pump shaft. According to the horizontal type concentrated pulp foam pump, technologies of a concentrated pulp pump and a semi-closed impeller are applied, upper limits of the pump for concentration and viscosity of conveyed ore pulp are broadened, the weight concentration of conveyed slag pulp is increased from less than 65% to 70%, the viscosity of the conveyed ore pulp can reach 300mpa.s, and the usable range in aspect of physical property of pulp liquids is expanded.
Description
Technical field
The utility model belongs to rotary motive power pumping unit transportation art, relates in particular to the horizontal underflow foam pump systems which dispense that a kind of conveying contains a large amount of foam ore pulps.
Background technique
At present, foam pump is vertical foam pump both at home and abroad, representational foam pump mainly contains Wo Man (WARMAN) AF of the company series vertical foam pump (referring to Fig. 1) of introducing the water pump works, Shijiazhuang, general headquarters are located at the world-renowned ore deposit machine enterprise " U.S. tall and erect ore deposit machine (metso) " of Finland, the vertical foam pump of SALA series of production; Vertical foam pump pump head is arranged on the hopper bottom, and main shaft belongs to the long cantilever structure, aspect structure shape and long cantilever axle, has limited pump (flow, lift) parameter and has further increased.Along with the progress of modern technology, the industries such as ore dressing are in scale, and fed distance and discharge head are had higher requirement, and vertical foam pump is difficult to adapt to its variation.Its two: the foam ore pulp that vertical foam pump tangentially enters from material feeding mouth, do high-speed screw rotation from top to bottom, can produce and prewhirl by force at the impeller inlet place in froth breaking.This prewhirling can be reduced pump efficiency, reduces the flow using scope of pump.For eliminating this prewhirling, the method that for example fertile graceful vertical foam pump is used three left-handed threads to force the slurries reversion to disappear and prewhirl.The method on the one hand, can not thoroughly be removed and prewhirl; On the other hand, this method is forced the slurries reversion, and the loss mass energy descends pump efficiency.Vertical foam pump adopts half-opened impeller (double shrouded wheel efficiency is higher than half-opened impeller) usually, and efficiency is low.Its three: along with the appearance of beneficiation new process, the ore pulp of require carrying is increasing containing the bubble amount, concentration, viscosity is more and more higher, thereby is necessary existing vertical foam pump is improved to innovation.
The model utility content
The purpose of this utility model is improved and a kind of horizontal underflow foam pump is provided existing vertical foam pump.
The technological scheme that the utility model adopts is achieved in that
A kind of horizontal underflow foam pump is provided, it is characterized in that: described horizontal underflow foam pump is comprised of pump head parts and carriage member, motor, base; Described pump head parts are comprised of the pump housing, pump cover, impeller, sheath, apron plate, rear backplate, sub-propeller, decompression lid, graphite packing, axle sleeve, inlet tube, outer pipe and liquid discharging valve; Pump head can be divided into the hermetic unit of overcurrent part and pump shaft by function; The overcurrent part of described pump is comprised of sheath, front and back backplate, impeller, by the special substance casting of abrasion-proof corrosion-proof; Described sheath respectively with described apron plate and described rear backplate taper fit; Form the active chamber of pump, and be clamped in pump head inside by the pump housing and pump cover, described active chamber is built-in with impeller; The hermetic unit of described pump shaft comprises rear backplate, the pump housing, decompression lid, sub-propeller, axle sleeve, graphite packing, pump shaft; In the inner space that described rear backplate and the described pump housing form, the decompression lid is housed, described decompression lid right-hand member is provided with assembling sub-propeller space, and described decompression lid in axial direction is provided with for the space that axle sleeve and graphite packing are installed with described pump shaft, and described sub-propeller is assemblied on described pump shaft.
Described carriage member comprises the block bearing of described pump shaft, and an end of described pump shaft has keyway for coupling or belt pulley are installed, and the other end of described pump shaft is furnished with screw thread for the impeller of installing in described pump head parts, and described outer pipe is arranged on the upper end of the described pump housing; Described inlet tube is arranged on the right-hand member of the described pump housing.
For the hermetic unit of described pump shaft, its Main Function is the slurries pressure head that reduces to go out by pump impeller axle head and rear backplate clearance leakage, makes the axial seal of graphite packing more reliable; Axle sleeve is enclosed within on axle, and the graphite plate velamen of ring is pressed on decompression lid and the space that axle sleeve forms, and plays the effect of sealing ore pulp; The effect of axle sleeve is to prevent that slurries from causing the wearing and tearing of pump shaft to the abrasion of axle and corrosion and axle and the friction of graphite packing.
Horizontal underflow foam pump laterally coordinates connection with the ore pulp froth breaking pond with fluid director by rubber soft joint as mentioned above.
The described froth breaking of the ore pulp with fluid director pond, comprise that one by cylindrical drum and conical tube welding combination hopper; The lower end of described conical tube is connected with fluid director; The outlet of the described froth breaking of the ore pulp with fluid director pond is connected with horizontal underflow foam pump by rubber soft joint, and the center portion of described hopper arranges an outlet pipe, for isolated air in the foam ore pulp, enters atmosphere; To horizontal underflow foam pump, provide without bubble, without the ore pulp of prewhirling.
The described froth breaking of the ore pulp with fluid director pond also is furnished with for three supporting legs that processed by rectangle shaped steel that support hopper; Are furnished with three steel hangers for lifting; Be provided with for overhauling the access hole of hopper.
Ore pulp froth breaking pond Main Function with fluid director described in the utility model is the foam of eliminating in ore pulp, and collect ore pulp by fluid director, eliminate prewhirling of ore pulp in ore pulp froth breaking process, to underflow foam pump assembly, provide air content few, meet the ore pulp of pump flowing law.Horizontal underflow foam pump has superpower passing capacity, good cavitation resistive property, abrasion-proof corrosion-proof, and high efficiency, be transported to the next procedure in user's technological process by slurries.
Ore pulp with fluid director froth breaking described in the utility model pond, the conical tube soldering group that the cylindrical drum that adopts a steel plate to roll during enforcement to form and fan-shaped steel plate volume form is combined, and forms ore pulp froth breaking pond (being hopper); Circumference in cylindrical drum is tangentially welding the material feeding mouth with the import flange, to hopper, provides the foam ore pulp with certain pressure head; Be welded with an outlet pipe in the center portion of hopper, for isolated air in the foam ore pulp, enter atmosphere; Be furnished with a flange in the lower end of conical tube, it is fastening that flange and fluid director are connected by stud, formed the core part with the ore pulp froth breaking pond of fluid director; The fluid director outlet is connected with a rubber soft joint by flange bolt, for being connected with horizontal underflow foam pump, to it, provides without bubble, without the ore pulp of prewhirling.
The working principle of horizontal underflow foam pump systems which dispense in the utility model:
The foam ore pulp tangentially enters the hopper of cylinder with cone combination from ore pulp froth breaking pond material feeding mouth, be subject to the synergy of inlet head and underflow foam pump inlet head, produces strong eddy current in the hopper container.The foam ore pulp, under the effect of centrifugal force, is forced to isolate gas, through intermediate exhaust pipe, discharges; Ore pulp is eliminated to prewhirl through fluid director and is entered the import of horizontal underflow foam pump.Special horizontal underflow foam pump arrives next link of technological process by high concentration, full-bodied pulp conveying.
The change of main structure feature causes comprehensive optimization of horizontal underflow foam pump performance parameter, and the beneficial effects of the utility model are embodied in:
The horizontal underflow foam pump systems which dispense that comprises the utility model and form is with respect to vertical foam pump, and working spindle is changed into the short cantilever of horizontal positioned, more reasonable structure by axial long cantilever axle.Domestic and international vertical foam pump rated lift is generally below 27 meters, and the horizontal underflow foam pump systems which dispense of the applicant's development in theory the single-stage flow can reach 10000m3/h, lift 120m.
Referring to Fig. 1, the position of the original installation pump head of vertical foam pump (pump head and three left-handed thread backplates) change fluid director into.Flow-guiding device structure is similar to the volute of general centrifugal pump, and slurries enter in the middle of fluid director, along flowing in the fluid director volute, finally by the diffusing tube outflow of fluid director.Slurries have become straight line motion without spin in the top-down spiral motion of hopper through fluid director, and fluid director and the combination of ore pulp froth breaking pond, formed the ore pulp froth breaking pond with fluid director, and referring to Fig. 3, it can thoroughly eliminate prewhirling of ore pulp slurries, and energy loss is little.
Horizontal underflow foam pump has been used horizontal underflow foam pump special impeller, it be two kinds of patented technologies having adopted the applicant (pump class single shrouded wheel, the patent No. is: 2,011 20363581.7; A kind of underflow pump, the patent No. is: ZL 2,006 2 0170194.0.Ownership is Tianmen Pump Industry Co., Ltd., Hubei Prov.) novel impeller designed.On the one hand, impeller is used semi-closed type impeller structure, makes horizontal underflow foam pump systems which dispense both have advantages of that the unshrouded impeller supplied materials still can use when not enough, had advantages of that again double shrouded wheel efficiency is high; On the other hand, impeller has large import bore that the underflow pump impeller is the same and spacious impeller inlet runner (number of blade minimizing), makes horizontal underflow foam pump anti-cavitation performance better, and conveyance capacity is stronger.Horizontal underflow foam pump special impeller is my company for the core part of the brand-new exploitation of pump for the underflow foam delivery, with apron plate, pump cover, the inlet tube parts of large import, match, General Promotion horizontal underflow foam pump performance.
Horizontal underflow foam pump, owing to adopting horizontal underflow foam pump special impeller, has been widened pump to the concentration of transfer ore pulp and the upper limit of viscosity, and the weight concentration of conveying slag slurry is increased to 70% by being less than 65%, and the viscosity of transfer ore pulp can reach 300mpa.s.Ore pulp froth breaking pond combination with fluid director, formed horizontal underflow foam pump systems which dispense, makes to carry high air bubble content, and high concentration, high viscosity slurry become a reality, and aspect the physical property of slurries, are expanding using scope.
Energy-saving effect is remarkable, and efficiency is high, reaches domestic and international advanced level.The horizontal underflow foam pump systems which dispense of 150WPM-480 of claimant development, test data shows: horizontal underflow foam pump efficiency reaches 63.8%, with the same flow of domestic vertical foam pump, lift substitution ratio, pump efficiency increase rate approximately 13.5%.With the same flow of external foam pump, lift substitution ratio, the pump efficiency increase rate is about 3.8%.
The accompanying drawing explanation
Fig. 1 is the structural drawing of the described a kind of vertical foam pump of the utility model background technique.
Fig. 2 is the structural drawing of a kind of horizontal underflow foam pump systems which dispense of the utility model.
Fig. 3 is with the ore pulp froth breaking pool structure figure of fluid director shown in Fig. 2.
Fig. 4 is the structural drawing of horizontal underflow foam pump shown in Fig. 2.
Embodiment
Further describe embodiment of the present utility model below in conjunction with accompanying drawing, but should not only limit to following examples:
Refer to accompanying drawing 1, provided the vertical foam pump described in a kind of background technique, be distributed with pump shaft 13 on its hopper 1 vertical direction, the upper end of described pump shaft 13 is positioned on the bearing 14 of bearing support 15 inside of described hopper 1 top, and the lower end of described pump shaft 13 disposes the impeller that is positioned at sheath 24 inside; Produce eddy current (the foam ore pulp has certain angular velocity) from the foam ore pulp tangentially entered in 11 garden weeks of material feeding mouth in hopper, only revolve through left-handed spiral backplate 22, eliminated partly and prewhirled, enter in described sheath 24, through the impeller acting of rotation, by its discharge port 23, send; Described sheath 24 is clamped by pump cover 21, the pump housing 2, and described sheath 24 also is provided with apron plate 25; Described hopper 1 is provided with flash mouth 12; Be provided with supporting leg 16 on described hopper 1, for fixing of described hopper 1.
Vertical foam pump with above structure characteristic, the foam ore pulp is prewhirled and is eliminated not thoroughly, has reduced the working efficiency of pump, and the technical parameters such as pump duty, lift all have been subject to impact to some extent.
The utility model is improved and is proposed for this vertical foam pump.
Refer to accompanying drawing 2, a kind of horizontal underflow foam pump systems which dispense is provided.It comprises with the ore pulp froth breaking pond A of fluid director and described horizontal underflow foam pump B, is base C and motor D that horizontal installation coordinates;
The described froth breaking of the ore pulp with fluid director pond A refers to accompanying drawing 3 each accompanying drawings 2, comprises a hopper 1 combined by cylindrical drum 17 and conical tube 19, on the circumference of described cylindrical drum 17 is tangential, is provided with material feeding mouth 11; The lower end of described conical tube 19 is connected with fluid director 3; The outlet of described fluid director 3 is connected with rubber soft joint 31, and described rubber soft joint 31 is connected with horizontal underflow foam pump B, to horizontal underflow foam pump B, provides without bubble, without the ore pulp of prewhirling.
The center portion of described hopper 1 arranges an outlet pipe 18, in the foam ore pulp, isolating air, enters atmosphere.
The described froth breaking of the ore pulp with fluid director pond A also is furnished with for three supporting legs 16 that processed by rectangle shaped steel that support hopper 1; Are furnished with three steel hangers 112 for lifting; Be furnished with the access hole 111 for overhauling hopper 1, and the gusset 113 of supplemental support hopper 1 use, the top of hopper 1 is provided with dividing plate 110, also is provided with the stud 32 be connected with hopper 1 for fixed deflector 3 on described fluid director 3.
Refer to accompanying drawing 2 or Fig. 4, described horizontal underflow foam pump B is comprised of carriage member E and pump head parts F two-part.Described pump head parts F by the pump housing 2, pump cover 21, impeller 26, sheath 24, apron plate 25, rear backplate 29, sub-propeller 211, decompression cover 210, graphite packing 212, pump shaft 13, axle sleeve 213, inlet tube 27, outer pipe 23 and liquid discharging valve 28 form; It comprises the overcurrent part of pump and the hermetic unit of pump shaft; The overcurrent part of described pump is comprised of sheath 24, apron plate 25, rear backplate 29, impeller 26, by the special substance casting of abrasion-proof corrosion-proof; Described sheath 24 is connected with described rear backplate 29 taper fit with described apron plate 25 respectively, forms the active chamber of pump, and is clamped in pump head inside by the pump housing 2 and pump cover 21, and described active chamber is built-in with impeller 26; The hermetic unit of described pump shaft 13 comprises that rear backplate 29, the pump housing 2, decompression cover 210, sub-propeller 211, axle sleeve 213, graphite packing 212, pump shaft 13; In the inner space that described rear backplate 29 and the described pump housing 2 form, decompression is housed and covers 210, the space that 210 right-hand members are provided with assembling sub-propeller 211 is covered in described decompression, described decompression lid 210 in axial direction is provided with for the space that axle sleeve 213 and graphite packing 212 are installed with described pump shaft 13, and described sub-propeller 211 is assemblied on described pump shaft 13; Described carriage member comprises the bearing supporting of described pump shaft 13, one end of described pump shaft 13 has keyway for coupling or belt pulley are installed, the other end of described pump shaft 13 is furnished with screw thread for the impeller 26 of installing in described pump head parts, and described outer pipe 23 is arranged on the upper end of the described pump housing 2 and described pump cover 21; Described inlet tube 27 is arranged on the right-hand member of the described pump housing 2.
Although above shown detailed embodiment of the present utility model, apparent, those skilled in the art is under prerequisite of the present utility model, can carry out the part modifications and changes; The content of mentioning in description above and accompanying drawing, only as illustrative case, is not to restriction of the present utility model, has the horizontal underflow foam pump systems which dispense of above-mentioned technical characteristics, all falls into the utility model protection domain.
Claims (4)
1. a horizontal underflow foam pump, it is characterized in that: described horizontal underflow foam pump is comprised of carriage member and pump head parts two-part, and described pump head parts are comprised of the pump housing, pump cover, impeller, sheath, apron plate, rear backplate, sub-propeller, decompression lid, graphite packing, axle sleeve, inlet tube, outer pipe and liquid discharging valve; It comprises the overcurrent part of pump and the hermetic unit of pump shaft; The overcurrent part of described pump is comprised of sheath, front and back backplate, impeller, and described sheath is connected with described rear backplate taper fit with described apron plate, forms the active chamber of pump, and is clamped in pump head inside by the pump housing and pump cover, and described active chamber is built-in with impeller; The hermetic unit of described pump shaft comprises rear backplate, the pump housing, decompression lid, sub-propeller, axle sleeve, graphite packing, pump shaft, in the inner space that described rear backplate and the described pump housing form, the decompression lid is housed, described decompression lid right-hand member is provided with assembling sub-propeller space, described decompression lid in axial direction is provided with for the space that axle sleeve and graphite packing are installed with described pump shaft, and described sub-propeller is assemblied on described pump shaft.
2. horizontal underflow foam pump as claimed in claim 1, it is characterized in that: described carriage member comprises the bearing supporting of described pump shaft, one end of described pump shaft has keyway for coupling is installed, the other end of described pump shaft is furnished with screw thread for the impeller of installing in described pump head parts, and described outer pipe is arranged on the upper end of the described pump housing; Described inlet tube is arranged on the right-hand member of the described pump housing.
3. horizontal underflow foam pump as claimed in claim 1 is characterized in that: described horizontal underflow foam pump and the froth breaking of the ore pulp with fluid director pond outlet laterally are connected by rubber soft joint.
4. horizontal underflow foam pump as claimed in claim 3, it is characterized in that: the described froth breaking of the ore pulp with fluid director pond comprises a hopper combined by cylindrical drum and conical tube, on the circumference of described cylindrical drum is tangential, is provided with material feeding mouth; The lower end of described conical tube is connected with fluid director; The outlet of described fluid director is connected with horizontal underflow foam pump by rubber soft joint, and the center portion of described hopper arranges an outlet pipe, for isolated air in the foam ore pulp, enters atmosphere; The described froth breaking of the ore pulp with fluid director pond provides without bubble, without the ore pulp of prewhirling to horizontal underflow foam pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345016.7U CN203374492U (en) | 2013-06-17 | 2013-06-17 | Horizontal type concentrated pulp foam pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345016.7U CN203374492U (en) | 2013-06-17 | 2013-06-17 | Horizontal type concentrated pulp foam pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374492U true CN203374492U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320345016.7U Expired - Fee Related CN203374492U (en) | 2013-06-17 | 2013-06-17 | Horizontal type concentrated pulp foam pump |
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| Country | Link |
|---|---|
| CN (1) | CN203374492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382941A (en) * | 2013-06-17 | 2013-11-06 | 湖北省天门泵业有限公司 | Horizontal dense slurry foam pump |
-
2013
- 2013-06-17 CN CN201320345016.7U patent/CN203374492U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382941A (en) * | 2013-06-17 | 2013-11-06 | 湖北省天门泵业有限公司 | Horizontal dense slurry foam pump |
| CN103382941B (en) * | 2013-06-17 | 2016-04-27 | 湖北省天门泵业有限公司 | Horizontal dense slurry foam pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20160617 |