CN2547897Y - Energy-saving combined pump - Google Patents
Energy-saving combined pump Download PDFInfo
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- CN2547897Y CN2547897Y CN 02233643 CN02233643U CN2547897Y CN 2547897 Y CN2547897 Y CN 2547897Y CN 02233643 CN02233643 CN 02233643 CN 02233643 U CN02233643 U CN 02233643U CN 2547897 Y CN2547897 Y CN 2547897Y
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Abstract
An energy-saving combined pump belongs to the liquor pump technical field, aiming to solve the problem of energy recycling of reaction liquid in chemical lines. The technical proposal is that the utility model comprises a bent axle, a plunger pump, a liquid preparation one way valve and a connecting bar arranged between the bent axle and the plunger pump. The utility model is characterized by further comprising a piston motor and a piston-rod, wherein, one end of the piston-rod is hinged on the bent axle, while the other end of the piston-rod is hinged with the piston of the piston motor; a liquid opening of the motor is provided with a liquid preparation turning valve; the area of the piston of the piston motor is larger than that of the piston of the piston pump. The utility model combines the motor and the pump into a whole, thereby the equipment is compact in integral structure and can achieve the recycling of high pressure fluid energy as well as the functions of a common transfer pump, which avoids energy consumption. When the utility model works normally, the energy consumed by the system is actually the delivered power of a fluid infusion motorpump, and about 70 percent of the energy is saved with significant economic benefit.
Description
Technical field
The utility model relates to a kind of combined pump that motor and pump are assembled into one, and belongs to the liquid pump technical field.
Background technique
Mostly the various types of pumps that use are by driven by motor work mechanical energy to be converted to the hydraulic pressure energy at present, finish the suction low pressure liquid, discharge the work cycle of highly pressurised liquid.In chemical industry, often use this type of pump that chemical liquid is extracted out from liquid storage tank, be pressed into reaction tower and participate in chemical reaction.Still have higher pressure through reacted liquid, the highly pressurised liquid of discharging recycles after decompression usually, and its pressure energy major part is lost.In order to utilize this part energy, existing a kind of method is with such principle work: at the exhaust end of highly pressurised liquid, other establishes two oil hydraulic cylinders and by the flow-distribution mechanism that one-way valve is formed, highly pressurised liquid is fed back in the system again, and assistance system does work.Though this method can reclaim and utilize portion of energy, bulky, the complex structure of entire equipment.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of can overcome above-mentioned shortcoming and can will have the energy-conservation combined pump that utilizes of the liquid circulation of certain energy.
The alleged problem of the utility model is solved by following technological scheme:
A kind of energy-conservation combined pump, it comprises the connecting rod between bent axle, plunger pump, dosing one-way valve and bent axle and the plunger pump, its specialization is: it also is provided with piston motor and piston rod, one end of described piston rod is hinged on the bent axle, the piston hinge of the other end and piston motor, fluid-through port at described motor is provided with a dosing rotary valve, and described piston motor piston area should be greater than the piston area of plunger pump.
Above-mentioned energy-conservation combined pump, described dosing rotary valve by valve body and can be in valve body in relative rotation spool form, be provided with liquid inlet channel and tapping channel on the spool vertically side by side, radially also be provided with the main inlet opening that communicates with liquid inlet channel, tapping channel, main liquid outlet opening along spool, the position corresponding with the motor fluid-through port is arranged with Semicircular admission chamber and goes out sap cavity on described spool excircle, turnover is respectively equipped with liquid entering hole and the liquid outlet that leads to into and out of fluid passage on the sap cavity, and admission chamber and going out between sap cavity is separated by liquid islocation plate.
Above-mentioned energy-conservation combined pump, the axle head of described bent axle is provided with synchronizing jugged belt wheel, at the axle head of dosing rotary valve also relative set synchronizing jugged belt wheel, connect by Synchronous Belt Drives between two belt wheels.
Above-mentioned energy-conservation combined pump, axle head at the dosing rotary valve is provided with a micro-adjusting mechanism, described micro-adjusting mechanism is made up of truncated cone, axle sleeve and keyway, described truncated cone is installed on the axle head of dosing rotary valve, axle sleeve be shaped as the inner cone column jacket, axle sleeve is provided with keyway, and described synchronizing jugged belt wheel is contained on the axle sleeve, and fastening by screw.
Above-mentioned energy-conservation combined pump, drive three or five plunger pumps and respectively corresponding three or five piston motors on the described bent axle side by side, be provided with three or five pairs of turnover sap cavities on the described dosing rotary valve vertically, the position of every pair of turnover sap cavity all is complementary with the fluid-through port of described piston motor, three or five pairs of turnover sap cavities evenly distribute along the spool excircle, and each is to seal isolation between the turnover sap cavity.
Above-mentioned energy-conservation combined pump is provided with an electronic fluid infusion pump in the liquid circulation path of described energy saving device.
The utility model is connected as a single entity motor and pump, and the equipment overall structure compactness except that the function of finishing the common transfusion pump, can be easy to realize the recycling of highly pressurised liquid energy, has avoided energy dissipation.The energy that system consumed during proper functioning in fact only is the output power of fluid infusion motor-drive pump, and the output power of fluid infusion motor-drive pump only is the mechanical power loss of compensation liquid during through the loss of reaction tower and combined pump running, can save the energy 70 percent, remarkable in economical benefits approximately.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model;
Fig. 2 is a plan view of the present utility model;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 is the shaft side figure of dosing rotary valve spool;
Fig. 5 is the structural drawing of dosing rotary valve;
Fig. 6 is dosing rotary valve spool work phase sequence figure;
Fig. 7 is the structural drawing of dosing rotary valve micro-adjusting mechanism.
Embodiment
Referring to Fig. 1, working principle of the present utility model is as follows: the highly pressurised liquid energy drives motor operations that this combined pump utilizes reaction tower 13 to discharge, liquid is by after discharging in the reaction tower, flow into dosing rotary valve 2, and be introduced in the cylinder of piston motor thereupon, the work of promotion motor piston, piston rod by piston motor promotes bent axle 5 rotations again, be respectively equipped with synchronizing jugged belt wheel at bent axle axle head and dosing rotary valve axle head, by Synchronous Belt Drives, drive dosing rotary valve and bent axle and rotate synchronously, make motor be able to continuous running.Bent axle drives the pistons work of plunger pump in rotation process, the liquid of high pressure more is pressed into reaction tower, forms work cycle thus.In this cyclic process, the pressure of liquid and flow all descend to some extent and cause power loss, and the fluid infusion pump that is arranged on (solid line among Fig. 1 and dotted line have been represented two kinds of on-positions) in the fluid circulation system promptly is used to compensate this part energy loss.When system normally moved, the energy that is consumed is the output power of fluid infusion pump just.
Referring to Fig. 2, Fig. 3, the basic structure of this combined pump is to be the center with bent axle 5, the motion that left and right sides connecting rod 4,6 transmits piston motor and plunger pump respectively.Because the fluid pressure (Gao Keda 13 MPas) in the plunger pump is greater than the fluid pressure in the piston motor (11-12 MPa), for making the bent axle stress balance, the area of the piston 3 of motor should be greater than the area of the piston 7 of pump, the motor piston diameter is 65 millimeters in the present embodiment, and the diameter of pump piston is 60 millimeters.If desire realizes the stable and less pulsation of fluid flow, described energy saving device can adopt bent axle to drive multiple sets of motors-pump structure, has adopted three pairs in the present embodiment, also can adopt five pairs or seven pairs of this combinations certainly.
Each connecting rod circumferentially all becomes evenly configuration with the articulating point of bent axle along axially reaching of bent axle, highly pressurised liquid flows among three piston motors according to certain phase sequence by dosing rotary valve 2, order promotes the motor piston motion, under the effect of piston motor connecting rod 4, promotes bent axle and rotates continuously.In like manner, be positioned at three plunger pumps of bent axle right-hand member, under the driving of bent axle, be synchronized with the movement, finish the work of suction liquid continuously with corresponding piston motor.This shows that in entire work process, dosing rotary valve 2 is to make highly pressurised liquid flow into vitals in the plunger pump in proper order, it is installed in fluid-through port 1 place of piston motor.
Referring to Fig. 4, Fig. 5, dosing rotary valve 2 is made up of valve body 20 and spool 21, and it is cylindric that spool roughly is, and is provided with liquid inlet channel 22 and tapping channel 23 on the spool vertically side by side, and an end of turnover fluid passage is a blind hole, and the other end is by end cap 38 sealings.Radially also be provided with main inlet opening 24, the main liquid outlet opening 25 that communicates with liquid inlet channel, tapping channel along spool, the position corresponding with motor fluid-through port 1 is arranged with Semicircular admission chamber 30 and goes out sap cavity 31 on described spool excircle, be respectively equipped with liquid entering hole 28 and the liquid outlet 29 that leads to into and out of fluid passage on sap cavity, admission chamber and going out between sap cavity is separated by liquid islocation plate 27.Be provided with three pairs of turnover sap cavities among the figure on the shown rotary valve spool, its axial position is corresponding with the fluid-through port position of piston motor respectively, and its circumferential position evenly is arranged on the 360 degree circumference of spool by 120 degree at interval.Isolate mutually between every pair of turnover sap cavity, and by seal ring 26 sealings.
Referring to Fig. 2, Fig. 3, be provided with synchronizing jugged belt wheel 8 at the axle head of bent axle, the axle head of dosing rotary valve also relative set connect by synchronous cog belt 10 between synchronizing jugged belt wheel 9, two belt wheels.Referring to Fig. 7, rotating speed for synchronous dosing rotary valve, the utility model also is provided with a micro-adjusting mechanism at the axle head of dosing rotary valve, described micro-adjusting mechanism is made up of truncated cone 35, axle sleeve 36, keyway and flat key 37, described truncated cone is installed on the axle head of dosing rotary valve, axle sleeve be shaped as the inner cone column jacket, axle sleeve is provided with keyway, described synchronizing jugged belt wheel is contained on the axle sleeve, and fixing by pressing plate 39 and screw 38.When needing the phase place of fine setting dosing rotary valve, unclamp screw, rotational valve core mixes up the back with screw 38 clamping platens 39, and axle sleeve 36 is moved axially, and gets final product with frustum of a cone 35 lockings.When highly pressurised liquid promotion piston, when driving the bent axle rotation by connecting rod, the Synchronous Transmission toothed belt that is arranged on bent axle and the dosing rotary valve can make the phase place of bent axle and dosing rotary valve remain intrinsic relation.
Referring to Fig. 5, highly pressurised liquid flows into (every row diagram is represented the position of the corresponding piston motor fluid-through port of dosing rotary valve correspondence respectively) in three pistons according to certain phase sequence, and P represents admission chamber among the figure, and T expresses sap cavity.The first row H with dosing rotary valve spool work phase sequence figure is that example: a, d, g figure are the position of liquid islocation plate sealing liquid, and b, c figure are the fluid position, and e, f figure are the feed liquor position.
11 are the dosing one-way valve among Fig. 1, and 14 is liquid tank.
Claims (6)
1. energy-conservation combined pump, it comprises the connecting rod between bent axle, plunger pump, dosing one-way valve and bent axle and the plunger pump, it is characterized in that: it also is provided with piston motor and piston rod (4), one end of described piston rod is hinged on the bent axle, the piston of the other end and piston motor (3) is hinged, fluid-through port (1) at described motor is provided with a dosing rotary valve (2), and described motor piston (3) area should be greater than the area of plunger pump piston (7).
2. energy-conservation combined pump according to claim 1, it is characterized in that: described dosing rotary valve (2) by valve body (20) and can be in valve body in relative rotation spool (21) form, be provided with liquid inlet channel (22) and tapping channel (23) on the spool vertically side by side, radially also be provided with and liquid inlet channel along spool, the main inlet opening (24) that tapping channel communicates, main liquid outlet opening (25), the position corresponding with the motor fluid-through port is arranged with Semicircular admission chamber (30) and goes out sap cavity (31) on described spool excircle, be respectively equipped with on the turnover sap cavity and lead to into, liquid entering hole of tapping channel (28) and liquid outlet (29), admission chamber and going out between sap cavity is separated by liquid islocation plate (27).
3. energy-conservation combined pump according to claim 2, its feature in: the axle head of described bent axle is provided with synchronizing jugged belt wheel (8), at the axle head of dosing rotary valve also relative set synchronizing jugged belt wheel (9), connect by synchronous cog belt (10) between two belt wheels.
4. energy-conservation combined pump according to claim 3, it is characterized in that: the axle head at the dosing rotary valve is provided with a micro-adjusting mechanism, described micro-adjusting mechanism is made up of truncated cone (35), axle sleeve (36) and keyway (37), described truncated cone is installed on the axle head of dosing rotary valve, axle sleeve be shaped as the inner cone column jacket, axle sleeve is provided with keyway (37), and described synchronizing jugged belt wheel is contained on the axle sleeve, and fastening by screw (38).
5. energy-conservation combined pump according to claim 4, it is characterized in that: drive three or five plunger pumps and respectively corresponding three or five piston motors on the described bent axle side by side, be provided with three or five pairs of turnover sap cavities on the described dosing rotary valve vertically, the position of every pair of turnover sap cavity all is complementary with the fluid-through port of described piston motor, three or five pairs of turnover sap cavities evenly distribute along the spool excircle, and each is to seal isolation between the turnover sap cavity.
6. energy-conservation combined pump according to claim 5 is characterized in that: be provided with an electronic fluid infusion pump (12) in the liquid circulation path of described energy-conservation combined pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233643 CN2547897Y (en) | 2002-05-18 | 2002-05-18 | Energy-saving combined pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233643 CN2547897Y (en) | 2002-05-18 | 2002-05-18 | Energy-saving combined pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2547897Y true CN2547897Y (en) | 2003-04-30 |
Family
ID=33708726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02233643 Expired - Fee Related CN2547897Y (en) | 2002-05-18 | 2002-05-18 | Energy-saving combined pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2547897Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321399A (en) * | 2015-08-22 | 2017-01-11 | 熵零股份有限公司 | Liquid return device |
-
2002
- 2002-05-18 CN CN 02233643 patent/CN2547897Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321399A (en) * | 2015-08-22 | 2017-01-11 | 熵零股份有限公司 | Liquid return device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |