CN87202038U - Piston type hydraulic energy-retricing machine - Google Patents
Piston type hydraulic energy-retricing machine Download PDFInfo
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- CN87202038U CN87202038U CN 87202038 CN87202038U CN87202038U CN 87202038 U CN87202038 U CN 87202038U CN 87202038 CN87202038 CN 87202038 CN 87202038 U CN87202038 U CN 87202038U CN 87202038 U CN87202038 U CN 87202038U
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- piston
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Abstract
The utility model discloses a piston type hydraulic energy-retracting machine, which is especially suitable for the occasions that the liquid excess pressure can be retracted and the recycled liquids with middle flow quantity and high pressure. The piston type hydraulic energy-retracting machine comprises a hydraulic part and a power part. The hydraulic part of the piston type hydraulic energy-retracting machine comprises a cylinder body, a piston, a piston rod, a liquid inlet valve, a liquid discharging valve, an enforcing valve, etc., which combines a pump and an engine into an entity; the end of the pump and the end of the engine work in phase by means of the enforcing valve, the scanty energy of the end of the pump is directly replenished by an electric machine. Compared with the existing energy-retracting machines, the utility model has the advantages of small size, simple and compact structure, high efficiency and convenient and easy operation.
Description
The utility model relates to hydraulic machine, and particularly piston Hydraulic Energy Recovering Machine is particularly useful for the middle small flow that need recycle, the recoverable occasion of liquid excess pressure of high pressure.
So far, being used for the recoverable hydraulic machine of liquid excess pressure both at home and abroad has following several: 1, hydraulic pressure turbine, and it is not suitable for the less occasion of fluid flow, and reuse efficiency is lower; 2, oil hydraulic motor, it requires medium pure, should not be used to have the burn into severe toxicity, sedimentary petrochemical industry medium; 3, jet pump, the situation that can only be used to allow liquid-liquid or liquid-gas to mix, and reuse efficiency is very low; 4, direct-acting type energy-recovering machine, its device flow process mainly is made up of charging pump, energy supplement pump, hydraulic control system, recuperator, its hydraulic control system is by with the differential valve of the pre-guiding valve of recuperator interlock, control phase and constituted by the main slide valve etc. of pre-guiding valve control, the complete machine energy recovery rate is about 50%, but machine is huge, the system architecture complexity, it is bigger to implement difficulty.
The purpose of this utility model is the deficiency that overcomes prior art, the machine of the opposite operation of two classes is combined with each other, be intended to be that high-pressure liquid medium that liquid medium, particularly petrochemical industry aspect recycle provides that a kind of machine volume is little, system architecture simple, applied range, piston Hydraulic Energy Recovering Machine that energy recovery rate is high.
Energy-recovering machine of the present utility model, partly form by fluid power part and power, the fluid power of this machine partly, mainly by cylinder body, piston, piston rod, the feed liquor valve, liquid discharging valve, Forced Valve and fuselage constitute, cylinder body is contained on the fuselage, piston, piston rod, the feed liquor valve, liquid discharging valve, Forced Valve is arranged in the cylinder body, piston sleeve is contained on the piston rod, and to-and-fro motion in cylinder body, position of piston can be vertical, also can level, piston wherein is equipped with the feed liquor valve with two-part of separated by spaces, one side of liquid discharging valve is the pump end, the space of piston opposite side is the motor end, both positions can exchange, and piston rod can be positioned at a side of piston, also can run through piston and stretch out outside the cylinder body; The power of this machine partly, and is similar substantially with common reciprocating pump, by motor, small belt pulley, belt, big belt pulley, bent axle, connecting rod, cross is first-class constitutes.Forced Valve is the cylindrical slide valve of two-position three way.Forced Valve can be made of Forced Valve spool, spring etc., also can be made of Forced Valve spool etc., and the Driving force of Forced Valve spool one end is the fluid pressure of pump end, and the Driving force of the other end is spring force or extraneous fluid pressure.The uneven energy of liquid between pump end and motor end is directly replenished through small belt pulley, belt, big belt pulley, bent axle, connecting rod, crosshead, piston rod by motor.
Compare with the energy recovery machinery equipment of prior art, it is little to the utlity model has machine volume, compact structure is simple, easy to operate, safe and reliable, applied range, be applicable to various liquid mediums, the energy recovery efficiency height, advantage such as easy to implement, the complete machine energy recovery rate of this machine can reach 60～70%.Present technique is as being applied to the copper liquid pump post of synthesis ammonia plant, and the synthesis ammonia plant of a ton can economize on electricity about 150,000 degree in 1 year, and economic benefit is obvious.
Fig. 1 is the schematic representation of piston Hydraulic Energy Recovering Machine.An embodiment of the present utility model has been described among the figure.
Fig. 1 has described the structure characteristic and the working principle of piston Hydraulic Energy Recovering Machine.One small belt pulley (24) is housed on the motor (1), link to each other with big belt pulley (3) on being loaded on bent axle (4) overhanging end by belt (2), bent axle (4) is supported by bearing (22), bearing (22) is loaded on the fuselage (23), the big end of load bar (21) on the crank throw of bent axle (4), the small end of connecting rod (21) connects with crosshead (5), crosshead (5) connects with piston rod (20) again, piston (17) is sleeved on piston rod (20) and goes up and to-and-fro motion in cylinder body (13), piston (17), piston rod (20), feed liquor valve (15), liquid discharging valve (12), Forced Valve (25) is arranged in the cylinder body (13), Forced Valve (25) is by Forced Valve spool (7) and spring formations such as (6), in cylinder body (13) and be provided with fresh liquid internal channel (16), waste liquid internal channel (9), high pressure waste liquid import (8) and low pressure waste liquid outlet (10), between piston rod (20) and cylinder body (13) filler (19) is housed, the position of piston (17) is a horizontal position, piston (17) is with two-part of separated by spaces, feed liquor valve (15) wherein is housed, one side of liquid discharging valve (12) is pump end (14), the low pressure fresh liquid enters pump end (14) through feed liquor valve (15), boost after liquid discharging valve (12) is delivered to high pressure fresh liquid using system (11), the opposite side space of piston (17) claims motor end (18).At the beginning of pump end (14) compression stroke, the high pressure fresh liquid is entered an end of Forced Valve spool (7) through fresh liquid internal channel (16) by pump end (14), and promotion Forced Valve spool (7) motion, high pressure waste liquid import (8) is opened, high pressure waste liquid internal channel (9) from high pressure fresh liquid using system (11) enters motor end (18), promotes piston (17) and moves; On the contrary, when pump end (14) is suction stroke, Forced Valve spool (7) is subjected to spring (6) restoring force effect, it also can be extraneous fluid pressure effect, low pressure waste liquid outlet (10) is opened, high pressure waste liquid import (8) is closed, and the waste liquid in the motor end (18) drains into liquid waste treatment system through waste liquid internal channel (9) from low pressure waste liquid outlet (10).
The utility model can be horizontal, also can be vertical.The horizontal piston Hydraulic Energy Recovering Machine that present embodiment provides, working procedure is such: when bent axle (4) from 0 ° of (position as shown in the figure, piston this moment (17) is in outer dead point, Forced Valve spool (7) is in left stop, pump end (14) is the high pressure fresh liquid) in 180 ° of rotations, piston (17) by outer dead point to left movement, liquid discharging valve (12) is closed, pump end (14) decompression, after piston (17) reaches a certain position, feed liquor valve (15) is opened, and low pressure fresh liquid feed liquor valve (15) enters pump end (14); Because pump end (14) decompression, the total pressure rapid drawdown of Forced Valve spool (7) right side, under the effect of spring (6), Forced Valve spool (7) moves right, high pressure waste liquid import (8) is closed, low pressure waste liquid outlet (10) is opened, so the waste liquid that motor end (18) is held drains into liquid waste treatment system through waste liquid internal channel (9) from low pressure waste liquid outlet (10).Forced Valve spool (7) ends at right stop, and piston (17) ends at inner dead point.
When bent axle (4) continues rotation, promptly turn to 360 ° from 180 °, piston (17) is moved right by inner dead point, feed liquor valve (15) cuts out, fresh liquid pressure in pump end (14) and the fresh liquid internal channel (16) raises suddenly, the total pressure of Forced Valve spool (7) right side increases thereupon, it overcomes the effect of spring (6) on the one hand, make Forced Valve spool (7) to left movement on the one hand, so low pressure waste liquid outlet (10) is closed, high pressure waste liquid import (8) is opened, high pressure waste liquid from high pressure fresh liquid using system (11) promptly enters motor end (18) through high pressure waste liquid import (8) and waste liquid internal channel (9), promoting piston (17) moves right, because the required pressure of fresh liquid is greater than the waste liquid pressure in the motor end (18), for the fresh liquid in the pump end (14) is risen to head pressure, must remedy portion of energy, this is by motor (1), through small belt pulley (24), belt (2), big belt pulley (3), bent axle (4), connecting rod (21), crosshead (5), reach that piston rod (20) realizes, when the fresh liquid pressure in the pump end (14) rises to certain value, liquid discharging valve (12) is opened, the high pressure fresh liquid is discharged, and is sent to high pressure fresh liquid using system (11).Piston (17) ends at outer dead point, and Forced Valve spool (7) ends at left stop.
A work cycle finishes.
Claims (3)
1, piston Hydraulic Energy Recovering Machine, it is characterized in that partly forming by fluid power part and power, the fluid power of this machine partly, mainly by cylinder body (13), piston (17), piston rod (20), feed liquor valve (15), liquid discharging valve (12), Forced Valve formations such as (25), piston (17) is set in the cylinder body (13), piston rod (20), feed liquor valve (15), liquid discharging valve (12), Forced Valve (25), the position of piston (17) can be vertical, also can level, piston (17) is with two-part of separated by spaces, feed liquor valve (15) wherein is housed, one side of liquid discharging valve (12) is pump end (14), piston (17) opposite side space is motor end (18), piston rod (20) can be positioned at a side of piston (17), also can run through piston (17) and stretch out outside the cylinder body (13), the power part of this machine is by motor (1), small belt pulley (24), belt (2), big belt pulley (3), bent axle (4), connecting rod (21), crosshead formations such as (5).
2, energy-recovering machine as claimed in claim 1 is characterized in that Forced Valve (25) is the cylindrical slide valve of two-position three way.
3, energy-recovering machine as claimed in claim 1 or 2 is characterized in that Forced Valve (25) can be by Forced Valve spool (7), spring formations such as (6), also can be by Forced Valve spool formations such as (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87202038 CN87202038U (en) | 1987-02-13 | 1987-02-13 | Piston type hydraulic energy-retricing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87202038 CN87202038U (en) | 1987-02-13 | 1987-02-13 | Piston type hydraulic energy-retricing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87202038U true CN87202038U (en) | 1988-04-27 |
Family
ID=4818253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87202038 Withdrawn CN87202038U (en) | 1987-02-13 | 1987-02-13 | Piston type hydraulic energy-retricing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87202038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447010C (en) * | 2006-02-28 | 2008-12-31 | 蔡学功 | IC engine energy comprehensive utilizing system |
-
1987
- 1987-02-13 CN CN 87202038 patent/CN87202038U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447010C (en) * | 2006-02-28 | 2008-12-31 | 蔡学功 | IC engine energy comprehensive utilizing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Co-applicant after: Jiading Shanghai chemical fertilizer plant |
|
| CB03 | Change of inventor or designer information |
Designer after: Jiang Zude Designer after: Jin Yaomen Designer after: Sun Fengzhen Designer after: Yin Xuwei Designer after: Dai Guangzi Designer after: Chen Kaisu Designer before: Jin Yaomen Designer before: Jiang Zude Designer before: Sun Fengzhen Designer before: Yin Xuwei |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-APPLICANT TO: SHANGHAI JIADING CHEMICAL FERTILIZER PLANT; DESIGNER; FROM: JIN YAOMEN; JIANG ZUDE; SUN FENGZHEN; YIN XUWEI TO: JIANG ZUDE; JIN YAOMEN; SUN FENGZHEN; YIN XUWEI; DAI GUANGZI; CHEN KAISU |
|
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| 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 |