CN103362768B - Mine Multi-cylinder dual slurry pump - Google Patents
Mine Multi-cylinder dual slurry pump Download PDFInfo
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- CN103362768B CN103362768B CN201310296424.2A CN201310296424A CN103362768B CN 103362768 B CN103362768 B CN 103362768B CN 201310296424 A CN201310296424 A CN 201310296424A CN 103362768 B CN103362768 B CN 103362768B
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- 239000002002 slurry Substances 0.000 title claims abstract description 54
- 230000009977 dual effect Effects 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 39
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 78
- 230000000994 depressogenic effect Effects 0.000 claims description 9
- 235000019994 cava Nutrition 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 55
- 239000010720 hydraulic oil Substances 0.000 description 20
- 238000002347 injection Methods 0.000 description 15
- 239000007924 injection Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The present invention proposes a kind of mine Multi-cylinder dual slurry pump being applied to oil, mine mechanism field, it can not only ensure the discharge stability of discharging mud, and has higher working efficiency.This slurry pump comprises multiple hydraulic cylinder assembly and is arranged on the clack box group at hydraulic cylinder assembly two ends, hydraulic cylinder assembly comprises the bidirectional piston bar of linear reciprocating motion in oil hydraulic cylinder, the two ends of bidirectional piston bar are fixed with piston close-fitting with the inwall of clack box respectively, are also provided with close-fitting isolation part between oil hydraulic cylinder inwall in the intermediate portion of bidirectional piston bar.This slurry pump operationally, no matter bidirectional piston bar is to left movement or move right, all the time two clack boxes are had to carry out plasma discharge work, there are two clack boxes carrying out water suction work simultaneously, therefore, the mine Multi-cylinder dual slurry pump working efficiency of this structure is obviously higher, and can ensure the discharge stability of discharging mud.
Description
Technical field
The present invention relates to oil, mine mechanism technical field, refer to a kind of mine Multi-cylinder dual slurry pump especially.
Background technique
Slurry pump (also claiming slurry pump) refers to the machinery of the outside washing solution such as slurry conveyed or water from boring in drilling process, it is the important component part of drilling equipment, be widely used in oil-drilling field, and in mining, what commonly use during drainage underground is centrifugal pump.Oil drilling slurry pump drives the crank up of pump by power engine, and bent axle drives piston or plunger to move reciprocatingly in pumping cylinder by crosshead again, suck and expulsion valve alternating action under, realize the object of force feed and circulating flushing washing lotion.
In actual mechanical process, rated flow 85m
3/ h, the centrifugal pump facing upward journey 600m need be equipped with the motor of power 250Kw, rated flow 155m
3/ h, the centrifugal pump facing upward journey 600m need be equipped with the motor of power 450Kw, rated flow 500m
3/ h, the centrifugal pump facing upward journey 500m need be equipped with the motor of power 1120Kw, working pressure 35Mpa, rated flow 155m
3/ h(is for F1600 pump) diesel engine of 1600 horsepowers need be equipped with.Therefore, the efficiency of this centrifugal pump, slurry pump is extremely low, and power hungry is comparatively large, very not energy-conservation.
Summary of the invention
The present invention proposes a kind of mine Multi-cylinder dual slurry pump, and it can not only ensure the discharge stability of discharging mud, and has higher working efficiency.
Technological scheme of the present invention is achieved in that mine Multi-cylinder dual slurry pump, comprises multiple cylinder sleeve be arranged in parallel, the equal opening in two ends of described cylinder sleeve; Also comprise clack box and hydraulic cylinder assembly;
Each described cylinder sleeve two ends are all fixed with a clack box, valve pocket is had in described clack box, described clack box is also provided with water intake, drain opening, between described water intake and described valve pocket, is provided with water feeding one-way valve, between described drain opening and described valve pocket, be provided with check valve of water drainage;
One_to_one corresponding between described hydraulic cylinder assembly and described cylinder sleeve, described hydraulic cylinder assembly comprises oil hydraulic cylinder, piston rod, piston;
The one end open of described oil hydraulic cylinder, the other end seals, and described oil hydraulic cylinder is coaxially arranged with corresponding cylinder sleeve, and the opening end of described oil hydraulic cylinder is fixed on the outer wall of described clack box, seals and arrange between described oil hydraulic cylinder and corresponding clack box;
The outer circumferential face of described oil hydraulic cylinder has two hydraulic pressure oilholes, the hydraulic pressure oilhole described in two lays respectively at the two ends of described oil hydraulic cylinder and is communicated with hydraulic power respectively;
Described piston rod runs through a corresponding clack box, its one end is positioned at described oil hydraulic cylinder, the other end is positioned at described cylinder sleeve, described piston also and between the inwall of described cylinder sleeve closely cooperates in described cylinder sleeve, the inner chamber of described cylinder sleeve is isolated into two independently point chambeies by described piston, point chamber described in two is connected with the valve pocket of corresponding clack box respectively, and described piston is fixed on the end of described piston rod, drives linear reciprocating motion by described piston rod;
Piston rod one end in described oil hydraulic cylinder and closely cooperating between described oil hydraulic cylinder inwall, the sealing end of itself and described oil hydraulic cylinder forms the first hydraulic fluid chamber of opposing seal, and described first hydraulic fluid chamber is connected with the hydraulic pressure oilhole described in;
One section, the centre of described piston rod caves inward formation depressed part, the depressed part in described oil hydraulic cylinder and form the second hydraulic fluid chamber of opposing seal between described oil hydraulic cylinder inwall, and described second hydraulic fluid chamber is connected with the hydraulic pressure oilhole described in another.
The working procedure of the mine Multi-cylinder dual slurry pump of this structure is: when hydraulic power by hydraulic pressure oilhole in the first hydraulic fluid chamber during injection liquid force feed, because the first hydraulic fluid chamber is the environment of an opposing seal, hydraulic oil can promote piston rod and be moved to the left.Now:
1, the volume of the second hydraulic fluid chamber can be compressed, and the hydraulic oil in it is squeezed in corresponding hydraulic power by hydraulic pressure oilhole.
2, the volume being positioned at point chamber, the piston left side can be compressed, owing to being provided with water feeding one-way valve between the water intake of left side clack box and valve pocket, so the mud in the clack box valve pocket of the left side can only pass through check valve of water drainage, drain opening is discharged.
3, the volume being positioned at point chamber on the right of piston can be extended, owing to being provided with check valve of water drainage between the drain opening of the right clack box and valve pocket, so mud can be inhaled in the valve pocket of the right clack box by water intake, water feeding one-way valve.
When hydraulic power stops to injection liquid force feed in the first hydraulic fluid chamber, when hydraulic power starts injection liquid force feed in the second hydraulic fluid chamber simultaneously, because the second hydraulic fluid chamber is the environment of an opposing seal, hydraulic oil can promote piston rod and move right.Now:
1, the volume of the first hydraulic fluid chamber can be compressed, and the hydraulic oil in it is squeezed in corresponding hydraulic power by hydraulic pressure oilhole.
2, the volume being positioned at point chamber on the right of piston can be compressed, owing to being provided with water feeding one-way valve between the water intake of the right clack box and valve pocket, so the mud in the clack box valve pocket of the right can only pass through check valve of water drainage, drain opening is discharged.
3, the volume being positioned at point chamber, the piston left side can be extended, owing to being provided with check valve of water drainage, so mud can be inhaled in the valve pocket of left side clack box by water intake, water feeding one-way valve between the drain opening of left side clack box and valve pocket.
That is: when this mine Multi-cylinder dual slurry pump is put into after in mud, by controlling, no matter hydraulic power is injection liquid force feed in the first hydraulic fluid chamber, or to injection liquid force feed in the second hydraulic fluid chamber, one is always had to be in plasma discharge state in two clack boxes, thus utilize the cooperation between these two clack boxes to ensure that the discharge stability of discharging mud, and slurry pump entirety has higher working efficiency.
As one preferred embodiment, be positioned at described cylinder sleeve and be connected to one with all clack boxes of one end, be positioned at described cylinder sleeve and be connected with the valve pocket of all clack boxes of one end.
After have employed above-mentioned mode of execution, its beneficial effect is: be positioned at cylinder sleeve and be connected to one with all clack boxes of one end and can reduce its manufacture difficulty, increase the mechanical strength of slurry pump entirety simultaneously, and be positioned at cylinder sleeve and be connected with the valve pocket of all clack boxes of one end and can increase the volume of valve pocket entirety, improve the plasma discharge efficiency of slurry pump.
As the improvement to technique scheme, between described second hydraulic fluid chamber and corresponding hydraulic power, be provided with pressurized machine.
Why take the reason of above-mentioned improvement to be: the parts not having other in the first hydraulic fluid chamber, the power of hydraulic power all can act on piston rod end; But the second hydraulic fluid chamber is the Room that coexists with the depressed part of piston rod, so the effect that hydraulic oil acts on piston rod can weaken relatively.That is: for the hydraulic power of same power, its piston rod is greater than to the active force of left movement the active force that piston rod moves right, in order to eliminate this imbalance, pressurized machine is provided with between the second hydraulic fluid chamber and corresponding hydraulic power, thus make hydraulic power identical with the active force moved right to left movement to piston rod, also relatively improve the plasma discharge efficiency of slurry pump simultaneously.
The present invention also proposes a kind of mine Multi-cylinder dual slurry pump, and it can not only ensure the discharge stability of discharging mud, and has higher working efficiency.
Technological scheme of the present invention is achieved in that mine Multi-cylinder dual slurry pump, comprise multiple hydraulic cylinder assembly, each described hydraulic cylinder assembly comprises oil hydraulic cylinder, bidirectional piston bar, the equal opening in two ends of described oil hydraulic cylinder, described bidirectional piston bar linear reciprocating motion is in described oil hydraulic cylinder, the two ends of described bidirectional piston bar are all fixed with piston, and multiple described oil hydraulic cylinder be arranged in parallel;
The two ends of each oil hydraulic cylinder are equipped with clack box group, and each described clack box group comprises a cylinder sleeve and is fixed on the clack box at described cylinder sleeve two ends;
Have valve pocket in described clack box, described clack box is also provided with water intake, drain opening, between described water intake and described valve pocket, be provided with water feeding one-way valve, between described drain opening and described valve pocket, be provided with check valve of water drainage;
The two ends of described bidirectional piston bar are run through a clack box of corresponding clack box group respectively and stretch in two cylinder sleeves, seal between the two ends of described oil hydraulic cylinder and corresponding clack box and arrange, closely cooperate between the inwall of described piston and described cylinder sleeve, the inner chamber of corresponding cylinder sleeve is isolated into two independently point chambeies by described piston, and point chamber described in two is connected with the valve pocket of corresponding clack box respectively;
The outer circumferential face of described oil hydraulic cylinder has two hydraulic pressure oilholes, the hydraulic pressure oilhole described in two lays respectively at the two ends of described oil hydraulic cylinder and is communicated with hydraulic power respectively;
The intermediate portion of described bidirectional piston bar is provided with close-fitting isolation part between described oil hydraulic cylinder inwall, the inner chamber of described oil hydraulic cylinder is divided into the first hydraulic fluid chamber, second hydraulic fluid chamber of relative closure by described isolation part, described first hydraulic fluid chamber is communicated with the hydraulic pressure oilhole described in, and described second hydraulic fluid chamber is communicated with the hydraulic pressure oilhole described in another.
The working procedure of the mine Multi-cylinder dual slurry pump of this structure is: when hydraulic power by hydraulic pressure oilhole in the first hydraulic fluid chamber during injection liquid force feed, due to the environment that the first hydraulic fluid chamber is an opposing seal, the hydraulic oil in the first hydraulic fluid chamber can promote bidirectional piston bar and move right.Now:
1, the volume of the second hydraulic fluid chamber can be compressed, and the hydraulic oil in it is squeezed in corresponding hydraulic power by hydraulic pressure oilhole.
2, be arranged in the clack box group on the hydraulic cylinder assembly left side, point chamber volume on the piston left side is extended, owing to being provided with check valve of water drainage, so mud can be inhaled in the valve pocket of left side clack box by water intake, water feeding one-way valve between the drain opening of left side clack box and valve pocket.
3, be arranged in the clack box group on the hydraulic cylinder assembly left side, on the right of piston, the volume in point chamber is compressed, owing to being provided with water feeding one-way valve between the water intake of the right clack box and valve pocket, so the mud in the clack box valve pocket of the right can only pass through check valve of water drainage, drain opening is discharged.
4, be arranged in the clack box group on the right of hydraulic cylinder assembly, point chamber volume on the piston left side is extended, owing to being provided with check valve of water drainage, so mud can be inhaled in the valve pocket of left side clack box by water intake, water feeding one-way valve between the drain opening of left side clack box and valve pocket.
5, be arranged in the clack box group on the right of hydraulic cylinder assembly, on the right of piston, the volume in point chamber is compressed, owing to being provided with water feeding one-way valve between the water intake of the right clack box and valve pocket, so the mud in the clack box valve pocket of the right can only pass through check valve of water drainage, drain opening is discharged.
That is: when bidirectional piston bar moves right, be in first and the 3rd the clack box of position can absorb water, and be in second and the 4th the clack box of position can carry out plasma discharge.
When hydraulic power by hydraulic pressure oilhole in the second hydraulic fluid chamber during injection liquid force feed, stop to oiling in the first hydraulic fluid chamber, hydraulic oil in second hydraulic fluid chamber can promote bidirectional piston bar to left movement, now, said process all can be reversed, that is: be in first and the 3rd the clack box of position can carry out plasma discharge, and be in second and the 4th the clack box of position can carry out absorb water (its concrete course of action embodiment part is below described).
The beneficial effect of the mine Multi-cylinder dual slurry pump of this structure is: due to its operationally, no matter bidirectional piston bar is to left movement or moves right, all the time two clack boxes are had to carry out plasma discharge work, there are two clack boxes carrying out water suction work simultaneously, therefore, its working efficiency is obviously higher, and can ensure the discharge stability of discharging mud.
As one preferred embodiment, be positioned at the homonymy of described oil hydraulic cylinder, be positioned at described cylinder sleeve and be connected to one with all clack boxes of one end; Be positioned at the homonymy of described oil hydraulic cylinder, be positioned at described cylinder sleeve and be connected with the valve pocket of all clack boxes of one end.
After have employed above-mentioned mode of execution, its beneficial effect is: be positioned at the homonymy of oil hydraulic cylinder, be positioned at cylinder sleeve and be connected to one with all clack boxes of one end and can reduce its manufacture difficulty, increase the mechanical strength of slurry pump entirety simultaneously; And be positioned at oil hydraulic cylinder homonymy, be positioned at cylinder sleeve and be connected with the valve pocket of all clack boxes of one end and can increase the volume of valve pocket entirety, improve the plasma discharge efficiency of slurry pump.
As the improvement to technique scheme, between described first hydraulic fluid chamber and described hydraulic power, between described second hydraulic fluid chamber and described hydraulic power, be equipped with pressurized machine.
After have employed above-mentioned improvement, its beneficial effect to increase the active force of hydraulic oil to bidirectional piston bar, increases the plasma discharge efficiency of slurry pump significantly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of the embodiment of the present invention one;
Fig. 2 is the schematic top plan view of embodiment one;
Fig. 3 is that the master of embodiment one looks cross-sectional schematic;
Fig. 4 is the close-up schematic view at I place in Fig. 3;
Fig. 5 is the perspective view of the embodiment of the present invention two;
Fig. 6 is the schematic top plan view of embodiment two;
Fig. 7 is that the master of embodiment two looks cross-sectional schematic;
Fig. 8 is the close-up schematic view at M place in Fig. 7;
Fig. 9 is the cross-sectional schematic of clack box in embodiment one and embodiment two;
In figure: 1-cylinder sleeve; 11-first point of chamber; 12-second point of chamber; 2-clack box; 21-valve pocket; 22-water intake; 23-drain opening; 24-water feeding one-way valve; 25-check valve of water drainage; 3-hydraulic cylinder assembly; 31-oil hydraulic cylinder; 32-piston rod; 321-depressed part; 33-piston; 34-seal ring; 35-hydraulic pressure oilhole; 36-hydraulic power; 37-first hydraulic fluid chamber; 38-second hydraulic fluid chamber; 39-pressurized machine; 310-bidirectional piston bar; 311-isolation part; 4-clack box group.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one:
As shown in Figure 1 and Figure 2, it shown in multiple cylinder sleeve 1(figure be arranged in parallel is three that this mine Multi-cylinder dual slurry pump comprises, and its number can be arranged according to the plasma discharge efficiency of required slurry pump), the equal opening in two ends of each cylinder sleeve 1.Structure below with regard to one of them cylinder sleeve 1 is described, and the structure of all the other cylinder sleeves is identical with it no longer to be repeated.
As Fig. 3, Fig. 4, Fig. 9 jointly shown in, a clack box 2 is all fixed with at the two ends of cylinder sleeve 1, this clack box 2 entirety is in the cubic bodily form, its inside has valve pocket 21, clack box 2 also has water intake 22 and drain opening 23, water feeding one-way valve 24 is provided with between water intake 22 and valve pocket 21, check valve of water drainage 25 is provided with between drain opening 23 and valve pocket 21, water feeding one-way valve 24 herein and check valve of water drainage 25 role make mud can only flow along a direction exactly, namely mud can only flow in valve pocket 21 from water intake 22, can only drain opening 23 be flow to from valve pocket 21 and discharge simultaneously.And water feeding one-way valve 24 and check valve of water drainage 25 belong to technology known in the art, do not repeat them here.
This mine Multi-cylinder dual slurry pump also comprises and cylinder sleeve 1 hydraulic cylinder assembly 3 one to one, and namely the number of hydraulic cylinder assembly 3 is also three, and the structure below with regard to hydraulic cylinder assembly 3 elaborates:
Hydraulic cylinder assembly 3 comprises oil hydraulic cylinder 31, piston rod 32 and piston 33.Wherein, one end (left end namely in the figure) opening of oil hydraulic cylinder 31, the other end (right-hand member namely in figure) seals, and coaxially arranges between oil hydraulic cylinder 31 and cylinder sleeve 1.The opening end of oil hydraulic cylinder 31 is fixed on the outer wall of the right clack box 2, and the right-hand member linear reciprocating motion of piston rod 32 is in oil hydraulic cylinder 31, and the left end of piston rod 32 runs through the clack box 2 on the right and stretches in cylinder sleeve 1.In order to ensure can definitely to isolate between oil hydraulic cylinder 31 and clack box 2, preventing from mixing between hydraulic oil with mud, in this embodiment, on the inwall of clack box 2, being provided with seal ring 34.
The outer circumferential face of oil hydraulic cylinder 31 has two hydraulic pressure oilholes 35, and these two hydraulic pressure oilholes 35 lay respectively at the two ends of oil hydraulic cylinder 31, and each hydraulic pressure oilhole 35 is all communicated with hydraulic power 36.
In addition, be positioned between piston rod 32 one end (i.e. right-hand member) of oil hydraulic cylinder 31 and the inwall of oil hydraulic cylinder 31 and closely cooperate, like this, the right-hand member of piston rod 32 and the sealing end of oil hydraulic cylinder 31 form the first hydraulic fluid chamber 37 of opposing seal, and this first hydraulic fluid chamber 37 is connected with the hydraulic pressure oilhole 35 of right-hand member.
One section, the centre of piston rod 32 caves inward and forms depressed part 321, namely the diameter of depressed part 321 is less than the diameter of piston rod 32 right-hand member, like this, depressed part 321 in oil hydraulic cylinder 31 and also form chamber-the second hydraulic fluid chamber 38 of an opposing seal between the inwall of oil hydraulic cylinder 31, this second hydraulic fluid chamber 38 is connected with the hydraulic pressure oilhole 35 of left end.
Piston 33 is arranged on the inside of cylinder sleeve 1 and is fixed on the left end of piston rod 32, its linear reciprocating motion is driven by piston rod 32, and closely cooperate between the inwall of piston 33 and cylinder sleeve 1, by piston 33, the inner chamber of cylinder sleeve 1 is isolated into two independently point chambeies, namely the first point of chamber 11 in figure and second point of chamber 12, and first point of chamber 11 is connected with the valve pocket 21 of left end clack box 2, second point of chamber 12 is connected with the valve pocket 21 of right-hand member clack box 2.
Working procedure below with regard to this mine Multi-cylinder dual slurry pump is described in detail, and certainly, in order to simple and clear, the working procedure only with regard to one of them cylinder sleeve 1 and a hydraulic cylinder assembly 3 is described:
First, when hydraulic power 36 by the hydraulic pressure oilhole 35 of right-hand member in the first hydraulic fluid chamber 37 during injection liquid force feed, the hydraulic oil in the first hydraulic fluid chamber 37 can promote piston rod 32 and be moved to the left.Now, the volume of the second hydraulic fluid chamber 38 is compressed, and the hydraulic oil in the second hydraulic fluid chamber 38 is squeezed in hydraulic power 36 by the hydraulic pressure oilhole 35 of left end.The volume in first point of chamber 11 is compressed, because the mud in the valve pocket 21 of left end clack box 2 is not by water feeding one-way valve 24, can only be discharged by check valve of water drainage 25, drain opening 23, certainly, in formal working procedure, drain opening 23 place is also provided with the waste pipe extending to earth's surface, thus mud is discharged to earth's surface.On the other hand, along with piston rod 32 is moved to the left, the volume in second point of chamber 12 is extended, and mud will be flowed in the valve pocket 21 of right-hand member clack box 2 by water intake 22, water feeding one-way valve 24.
Then, when hydraulic power 36 stops injection liquid force feed in the first hydraulic fluid chamber 37, simultaneously another hydraulic power 36 is in the second hydraulic fluid chamber 38 during injection liquid force feed, and the volume of the second hydraulic fluid chamber 38 is extended, and the hydraulic oil in the second hydraulic fluid chamber 38 promotes piston rod 32 and moves right.Now, the volume of the first hydraulic fluid chamber 37 is compressed, and the hydraulic oil in the first hydraulic fluid chamber 37 is squeezed in hydraulic power 36 by the hydraulic pressure oilhole 35 of right-hand member.The volume in second point of chamber 12 is compressed, and because the mud in the valve pocket 21 of right-hand member clack box 2 is not by water feeding one-way valve 24, therefore can only drain into earth's surface by check valve of water drainage 25, drain opening 23, waste pipe.On the other hand, along with piston rod 32 moves right, the volume in first point of chamber 11 is extended, and mud will be flowed in the valve pocket 21 of left end clack box 2 by water intake 22, water feeding one-way valve 24.
Week like this and back and forth, no matter hydraulic power 36 is injection liquid force feeds in the first hydraulic fluid chamber 37, or to injection liquid force feed in the second hydraulic fluid chamber 38, one is always had to be in plasma discharge state in two clack boxes 2, thus utilize the cooperation between these two clack boxes 2 to ensure that the discharge stability of discharging mud, and slurry pump entirety has higher working efficiency.
In addition, this embodiment is connected to one being positioned at all clack boxes 2 of cylinder sleeve 1 with one end, can reduce its manufacture difficulty like this, increases the mechanical strength of slurry pump entirety simultaneously; And be positioned at cylinder sleeve 1 and be connected with the valve pocket 21 of all clack boxes 2 of one end, the volume of valve pocket 21 entirety can be increased like this, improve the plasma discharge efficiency of slurry pump.
In running in reality of the mine Multi-cylinder dual slurry pump of this structure, the inventor of present patent application also finds a problem: under two hydraulic powers provide equal hydraulic action, and the plasma discharge ability of right-hand member clack box 2 is less than the plasma discharge ability of left end clack box 2.This is the parts owing to not having other in the first hydraulic fluid chamber 37, and the second hydraulic fluid chamber 38 is the Room that coexist with the depressed part 321 of piston rod 32, so, piston rod 32 is greater than to the active force of left movement the active force that piston rod 32 moves right naturally, thus causes the problems referred to above.
In order to solve this problem, pressurized machine 39 is provided with between the second hydraulic fluid chamber 38 and corresponding hydraulic power 36, thus relatively improve the active force that hydraulic oil piston rod 32 moves right, make hydraulic power 36 piston rod 32 identical with the active force moved right to left movement, also relatively improve the plasma discharge efficiency of slurry pump simultaneously.Certainly, pressurized machine 39 is herein known technology in the art, does not repeat them here.
Embodiment two:
As shown in Figure 5, Figure 6, first this mine Multi-cylinder dual slurry pump comprises shown in multiple hydraulic cylinder assembly 3(figure is also three, its number can be arranged according to the plasma discharge efficiency of required slurry pump), hydraulic cylinder assembly 3 is herein roughly the same with hydraulic cylinder assembly 3 structure in embodiment one, but also has some to distinguish.The structure of these three hydraulic cylinder assemblies 3 is identical and be arranged side by side, below only explain with regard to the structure of one of them hydraulic cylinder assembly 3:
As shown in Figure 7, Figure 8 and Figure 9, hydraulic cylinder assembly 3 comprises oil hydraulic cylinder 31, bidirectional piston bar 310, and the equal opening in two ends of oil hydraulic cylinder 31, bidirectional piston bar 310 linear reciprocating motion, in oil hydraulic cylinder 31, is all fixed with piston 33 at the two ends of bidirectional piston bar 310.The outer circumferential face of oil hydraulic cylinder 31 has two hydraulic pressure oilholes 35, and these two hydraulic pressure oilholes 35 lay respectively at the two ends of oil hydraulic cylinder 31, and each hydraulic pressure oilhole 35 is all communicated with hydraulic power 36.
Be provided with clack box group 4 at the two ends of oil hydraulic cylinder 31, clack box group 4 is substantially identical with the structure of embodiment one.Clack box group 4 comprises a cylinder sleeve 1 and two clack boxes 2, these two clack boxes 2 are separately fixed at the two ends of cylinder sleeve 1, the inside of clack box 2 has valve pocket 21, clack box 2 also has water intake 22 and drain opening 23, be provided with water feeding one-way valve 24 between water intake 22 and valve pocket 21, between drain opening 23 and valve pocket 21, be provided with check valve of water drainage 25.
The two ends of bidirectional piston bar 310 are run through clack box 2 respectively and are stretched in the cylinder sleeve 1 at two ends, and this slurry pump is symmetrical centered by bidirectional piston bar 310, only the clack box group 4 of oil hydraulic cylinder 31 left end is described below: seal between oil hydraulic cylinder 31 and clack box 2 and arrange, in cylinder sleeve 1, closely cooperate between the inwall of piston 33 and cylinder sleeve 1, thus the inner chamber of cylinder sleeve 1 is isolated into two independently point chamber (the first point of chamber 11 namely in Fig. 7 and second point of chamber 12), and the clack box of first point of chamber 11 and left end clack box 2(and primary importance) valve pocket 21 be connected, the clack box of second point of chamber 12 and right-hand member clack box 2(and the second place) valve pocket 21 be connected.
As shown in Figure 8, an isolation part 311 is provided with in the intermediate portion of bidirectional piston bar 310, closely cooperate between the inwall of this isolation part and oil hydraulic cylinder 31, thus the inner chamber of oil hydraulic cylinder 31 is divided into the first hydraulic fluid chamber 37 and the second hydraulic fluid chamber 38 of relative closure, wherein, first hydraulic fluid chamber 37 is connected with the hydraulic pressure oilhole 35 in left side, and the second hydraulic fluid chamber 38 is connected with the hydraulic pressure oilhole 35 on right side.
Working procedure below with regard to this mine Multi-cylinder dual slurry pump is described in detail, and certainly, in order to simple and clear, the working procedure only with regard to one of them hydraulic cylinder assembly 3 and two clack box groups 4 is described:
First, when hydraulic power 36 by the hydraulic pressure oilhole 35 of left end in the first hydraulic fluid chamber 37 during injection liquid force feed, the hydraulic oil in the first hydraulic fluid chamber 37 can promote bidirectional piston bar 310 and move right.Now, the volume of the second hydraulic fluid chamber 38 is compressed, and the hydraulic oil in the second hydraulic fluid chamber 38 is squeezed in hydraulic power 36 by the hydraulic pressure oilhole 35 of right-hand member.
For the clack box group 4 of left end, because bidirectional piston bar 310 moves right, the volume in first point of chamber 11 is extended, and mud will flow in the valve pocket 21 of left end clack box 2 by the water intake 22 of left end clack box 2, water feeding one-way valve 24; The volume in second point of chamber 12 is compressed simultaneously, because the mud in the valve pocket 21 of right-hand member clack box 2 is not by water feeding one-way valve 24, can only drain into earth's surface by check valve of water drainage 25, drain opening 23.That is: when bidirectional piston bar 310 moves right, the clack box 2 of primary importance is in water suction state, and the clack box 2 of the second place is in plasma discharge state.
For the clack box group 4 of right-hand member, because bidirectional piston bar 310 moves right, the volume in first point of chamber 11 is compressed, and because the mud in the valve pocket 21 of right-hand member clack box 2 is not by water feeding one-way valve 24, can only drain into earth's surface by check valve of water drainage 25, drain opening 23; The volume in second point of chamber 12 is extended simultaneously, and mud will be flowed in the valve pocket 21 of left end clack box 2 by the water intake 22 of left end clack box 2, water feeding one-way valve 24.That is: when bidirectional piston bar 310 moves right, the clack box 2 of the 3rd position is in water suction state, and the clack box 2 of the 4th position is in plasma discharge state.
Then, when hydraulic power 36 stops injection liquid force feed in the first hydraulic fluid chamber 37, simultaneously another hydraulic power 36 is in the second hydraulic fluid chamber 38 during injection liquid force feed, and the volume of the second hydraulic fluid chamber 38 is extended, and the hydraulic oil in the second hydraulic fluid chamber 38 promotes bidirectional piston bar 310 and is moved to the left.Now, the volume of the first hydraulic fluid chamber 37 is compressed, and the hydraulic oil in the first hydraulic fluid chamber 37 is squeezed in hydraulic power 36 by the hydraulic pressure oilhole 35 of left end.
For the clack box group 4 of left end, because bidirectional piston bar 310 is moved to the left, the volume in first point of chamber 11 is compressed, and because the mud in the valve pocket 21 of left end clack box 2 is not by water feeding one-way valve 24, can only drain into earth's surface by check valve of water drainage 25, drain opening 23; The volume in second point of chamber 12 is extended simultaneously, and mud will be flowed in the valve pocket 21 of right-hand member clack box 2 by the water intake 22 of right-hand member clack box 2, water feeding one-way valve 24.That is: when bidirectional piston bar 310 is moved to the left, the clack box 2 of primary importance is in plasma discharge state, and the clack box 2 of the second place is in water suction state.
For the clack box group 4 of right-hand member, because bidirectional piston bar 310 is moved to the left, the volume in first point of chamber 11 is extended, and mud will flow in the valve pocket 21 of right-hand member clack box 2 by the water intake 22 of right-hand member clack box 2, water feeding one-way valve 24; The volume in second point of chamber 12 is compressed simultaneously, because the mud in the valve pocket 21 of left end clack box 2 is not by water feeding one-way valve 24, can only drain into earth's surface by check valve of water drainage 25, drain opening 23.That is: when bidirectional piston bar 310 is moved to the left, the clack box 2 of the 3rd position is in plasma discharge state, and the clack box 2 of the 4th position is in water suction state.
In sum:
1, when bidirectional piston bar 310 moves right, the clack box 2 of primary importance is in water suction state, and the clack box 2 of the second place is in plasma discharge state, and the clack box 2 of the 3rd position is in water suction state, and the clack box 2 of the 4th position is in plasma discharge state.
2, when bidirectional piston bar 310 is moved to the left, the clack box 2 of primary importance is in plasma discharge state, and the clack box 2 of the second place is in water suction state, and the clack box 2 of the 3rd position is in plasma discharge state, and the clack box 2 of the 4th position is in water suction state.
In a word, no matter bidirectional piston bar is to left movement or moves right, all the time two clack boxes are had to carry out plasma discharge work, there are two clack boxes carrying out water suction work simultaneously, therefore, the mine Multi-cylinder dual slurry pump working efficiency of this structure is obviously higher, and can ensure the discharge stability of discharging mud.
In addition, this embodiment will be positioned at the homonymy of oil hydraulic cylinder 31, is positioned at cylinder sleeve 1 simultaneously and is connected to one with all clack boxes 2 of one end, can reduce its manufacture difficulty like this, increase the mechanical strength of slurry pump entirety simultaneously; And be positioned at the homonymy of oil hydraulic cylinder 31, be positioned at cylinder sleeve 1 simultaneously and be connected with the valve pocket 21 of all clack boxes 2 of one end, the volume of valve pocket 21 entirety can be increased like this, improve the plasma discharge efficiency of slurry pump.
This embodiment two is compared to embodiment one, because it is symplex structure, therefore under two hydraulic powers 36 provide equal hydraulic action, hydraulic oil drives bidirectional piston bar 310 to move right and the active force that is moved to the left is identical, namely there is not unbalanced phenomenon.But in order to improve the plasma discharge efficiency of slurry pump further, between the first hydraulic fluid chamber 37 and hydraulic power 36, and between the second hydraulic fluid chamber 38 and hydraulic power 36, a pressurized machine can be set respectively.
Detect through reality, in the present invention, the mine Multi-cylinder dual slurry pump of embodiment two is at water-outlet quantity 85m
3/ h, be equipped with the motor of 40Kw when facing upward journey 600m, at water-outlet quantity 155m
3/ h, be equipped with the motor of 70Kw when facing upward journey 600m, at water-outlet quantity 500m
3/ h, be equipped with the motor of 140Kw when facing upward journey 600m, can energy-conservation about 84% compared to centrifugal pump.At slurry-outlet quantity 155m
3be equipped with the motor of 250Kw when/h, working pressure 35Mpa or be equipped with the diesel engine of 340 horsepowers, can energy-conservation about 78% compared to curved shaft type slurry pump.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. mine Multi-cylinder dual slurry pump, comprises multiple cylinder sleeve be arranged in parallel, and the equal opening in two ends of described cylinder sleeve, is characterized in that, also comprise:
Clack box, each described cylinder sleeve two ends are all fixed with a clack box, have valve pocket, described clack box is also provided with water intake, drain opening in described clack box, be provided with water feeding one-way valve between described water intake and described valve pocket, between described drain opening and described valve pocket, be provided with check valve of water drainage;
Hydraulic cylinder assembly, and one_to_one corresponding between described cylinder sleeve, described hydraulic cylinder assembly comprises oil hydraulic cylinder, piston rod, piston;
The one end open of described oil hydraulic cylinder, the other end seals, and described oil hydraulic cylinder is coaxially arranged with corresponding cylinder sleeve, and the opening end of described oil hydraulic cylinder is fixed on the outer wall of described clack box, seals and arrange between described oil hydraulic cylinder and corresponding clack box;
The outer circumferential face of described oil hydraulic cylinder has two hydraulic pressure oilholes, the hydraulic pressure oilhole described in two lays respectively at the two ends of described oil hydraulic cylinder and is communicated with hydraulic power respectively;
Described piston rod runs through a corresponding clack box, its one end is positioned at described oil hydraulic cylinder, the other end is positioned at described cylinder sleeve, described piston also and between the inwall of described cylinder sleeve closely cooperates in described cylinder sleeve, the inner chamber of described cylinder sleeve is isolated into two independently point chambeies by described piston, point chamber described in two is connected with the valve pocket of corresponding clack box respectively, and described piston is fixed on the end of described piston rod, drives linear reciprocating motion by described piston rod;
Piston rod one end in described oil hydraulic cylinder and closely cooperating between described oil hydraulic cylinder inwall, the sealing end of itself and described oil hydraulic cylinder forms the first hydraulic fluid chamber of opposing seal, and described first hydraulic fluid chamber is connected with the hydraulic pressure oilhole described in;
One section, the centre of described piston rod caves inward formation depressed part, the depressed part in described oil hydraulic cylinder and form the second hydraulic fluid chamber of opposing seal between described oil hydraulic cylinder inwall, and described second hydraulic fluid chamber is connected with the hydraulic pressure oilhole described in another.
2. mine as claimed in claim 1 Multi-cylinder dual slurry pump, is characterized in that: be positioned at described cylinder sleeve and be connected to one with all clack boxes of one end, is positioned at described cylinder sleeve and is connected with the valve pocket of all clack boxes of one end.
3. mine as claimed in claim 1 or 2 Multi-cylinder dual slurry pump, is characterized in that: be provided with pressurized machine between described second hydraulic fluid chamber and corresponding hydraulic power.
4. mine as claimed in claim 1 Multi-cylinder dual slurry pump, is characterized in that: the number of described cylinder sleeve is three.
5. mine Multi-cylinder dual slurry pump, it is characterized in that: comprise multiple hydraulic cylinder assembly, each described hydraulic cylinder assembly comprises oil hydraulic cylinder, bidirectional piston bar, the equal opening in two ends of described oil hydraulic cylinder, described bidirectional piston bar linear reciprocating motion is in described oil hydraulic cylinder, the two ends of described bidirectional piston bar are all fixed with piston, and multiple described oil hydraulic cylinder be arranged in parallel;
The two ends of each oil hydraulic cylinder are equipped with clack box group, and each described clack box group comprises a cylinder sleeve and is fixed on the clack box at described cylinder sleeve two ends;
Have valve pocket in described clack box, described clack box is also provided with water intake, drain opening, between described water intake and described valve pocket, be provided with water feeding one-way valve, between described drain opening and described valve pocket, be provided with check valve of water drainage;
The two ends of described bidirectional piston bar are run through a clack box of corresponding clack box group respectively and stretch in two cylinder sleeves, seal between the two ends of described oil hydraulic cylinder and corresponding clack box and arrange, closely cooperate between the inwall of described piston and described cylinder sleeve, the inner chamber of corresponding cylinder sleeve is isolated into two independently point chambeies by described piston, and point chamber described in two is connected with the valve pocket of corresponding clack box respectively;
The outer circumferential face of described oil hydraulic cylinder has two hydraulic pressure oilholes, the hydraulic pressure oilhole described in two lays respectively at the two ends of described oil hydraulic cylinder and is communicated with hydraulic power respectively;
The intermediate portion of described bidirectional piston bar is provided with close-fitting isolation part between described oil hydraulic cylinder inwall, the inner chamber of described oil hydraulic cylinder is divided into the first hydraulic fluid chamber, second hydraulic fluid chamber of relative closure by described isolation part, described first hydraulic fluid chamber is communicated with the hydraulic pressure oilhole described in, and described second hydraulic fluid chamber is communicated with the hydraulic pressure oilhole described in another.
6. mine as claimed in claim 5 Multi-cylinder dual slurry pump, is characterized in that: be positioned at the homonymy of described oil hydraulic cylinder, be positioned at described cylinder sleeve and be connected to one with all clack boxes of one end;
Be positioned at the homonymy of described oil hydraulic cylinder, be positioned at described cylinder sleeve and be connected with the valve pocket of all clack boxes of one end.
7. the mine Multi-cylinder dual slurry pump as described in claim 5 or 6, is characterized in that: be equipped with pressurized machine between described first hydraulic fluid chamber and described hydraulic power, between described second hydraulic fluid chamber and described hydraulic power.
8. mine as claimed in claim 5 Multi-cylinder dual slurry pump, is characterized in that: the number of described hydraulic cylinder assembly is three.
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| CN104727797A (en) * | 2015-03-18 | 2015-06-24 | 烟台杰瑞石油装备技术有限公司 | Fracturing transmission and high-pressure discharging system |
| CN108005871B (en) * | 2017-12-04 | 2020-05-05 | 德州庆润石油科技有限公司 | Oil field sludge reinjection single-cylinder double-acting pump |
| CN213478820U (en) * | 2020-07-30 | 2021-06-18 | 德州联合石油科技股份有限公司 | Hydraulic pump station prying and hydraulic pressure driving pump |
| CN111911631B (en) * | 2020-08-10 | 2022-06-10 | 常德市联嘉机械有限公司 | Bidirectional piston sealing structure used in high-pressure environment |
| CN113586388B (en) * | 2021-09-29 | 2022-01-25 | 三一汽车制造有限公司 | Liquid drive pump system, compressor and hydrogenation station |
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| CN103174620A (en) * | 2013-04-02 | 2013-06-26 | 熊彪 | Slush pump assembly |
| CN203384000U (en) * | 2013-07-13 | 2014-01-08 | 青岛双圣海新能源科技有限公司 | Multi-cylinder and double-acting slurry discharge pump for mine |
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| US6454542B1 (en) * | 2000-11-28 | 2002-09-24 | Laibe Corporation | Hydraulic cylinder powered double acting duplex piston pump |
| CN101328874A (en) * | 2008-07-28 | 2008-12-24 | 李星宇 | Hydraulic slurry pump |
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Address after: Jiaozhou City, North Street offices of Pang Jia Zhuang Cun 266300 Shandong city of Qingdao Province Applicant after: Qingdao Shuangshenghai New Energy Technology Co., Ltd. Address before: A park road Binzhou Fuan Industrial Park in Jiaozhou city of Shandong Province, Qingdao City, No. 208, 266300 Applicant before: Qingdao Shuangshenghai New Energy Technology Co., Ltd. |
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Denomination of invention: Mining multi-cylinder and double-action slurry draining pump Effective date of registration: 20170830 Granted publication date: 20160309 Pledgee: Qingdao Huitong Chinese financing Company limited by guarantee Pledgor: Qingdao Shuangshenghai New Energy Technology Co., Ltd. Registration number: 2017370010053 |
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Date of cancellation: 20181031 Granted publication date: 20160309 Pledgee: Qingdao Huitong Chinese financing Company limited by guarantee Pledgor: Qingdao Shuangshenghai New Energy Technology Co., Ltd. Registration number: 2017370010053 |
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Denomination of invention: Mining multi-cylinder and double-action slurry draining pump Effective date of registration: 20191115 Granted publication date: 20160309 Pledgee: Qingdao Huitong Chinese financing Company limited by guarantee Pledgor: Qingdao Shuangshenghai New Energy Technology Co., Ltd. Registration number: Y2019370010038 |
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