CN201908844U - Screw medium-pressure compressor - Google Patents
Screw medium-pressure compressor Download PDFInfo
- Publication number
- CN201908844U CN201908844U CN2011200217570U CN201120021757U CN201908844U CN 201908844 U CN201908844 U CN 201908844U CN 2011200217570 U CN2011200217570 U CN 2011200217570U CN 201120021757 U CN201120021757 U CN 201120021757U CN 201908844 U CN201908844 U CN 201908844U
- Authority
- CN
- China
- Prior art keywords
- oil
- gas
- lobe compressor
- pressure
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A screw medium-pressure compressor comprises a primary screw compressor, a secondary screw compressor and a gas-liquid separator. Oil separated by the gas-liquid separator passes through a filter and a cooler to an oil distributor. The screw medium-pressure compressor is characterized in that the oil distributor is provided with a first oil distributor and a second oil distributor, the first oil distributor is provided with a gas inlet end bearing lubrication and oil pressure sealing pipeline, a gas outlet end bearing lubrication and oil pressure sealing pipeline of the secondary compressor, the second oil distributor is provided with a reduction box lubrication pipeline and an oil spray pipeline of the primary compressor, a pressure regulating valve is arranged between the first oil distributor and the second oil distributor, exhaust cavities of the primary screw compressor and the secondary screw compressor are respectively provided with a temperature sensor and a pressure sensor, an oil outlet end of the gas-liquid separator is further provided with an oil-water separating device, and all the sensors and an oil-water separating device switching electromagnetic valve are controlled by a PLC (programmable logic controller). The screw medium-pressure compressor has the advantages that exhaust pressure is as high as 3.5 megapascals, the exhaust temperature is only 5 DEG C-15 DEG C higher than the environmental temperature, and the screw medium-pressure compressor is reliable and safe in operation and longer in service life.
Description
Technical field
The utility model relates to a kind of helical-lobe compressor technical field, especially relates to press in the screw rod that a kind of exhaust pressure can reach 3.5 MPas; It can be widely used in industry and civil areas such as water power, drilling well, military project and PET bottle blowing.
Background technique
At present, the structure majority of middle both at home and abroad pressure screw air compressor group comprises the motor that drives first order helical-lobe compressor and second level helical-lobe compressor by a gear respectively simultaneously; Air from suction port after by the compression of this first order helical-lobe compressor and second level helical-lobe compressor the pressure air be sent to gas-liquid separator by exhaust chamber; Need to spray into oily medium in the air compression process of described helical-lobe compressor, simultaneously, in the air compression process, can produce the moisture content of certain ratio; Described air is compressed and reaches the mixed gas of discharging after the design pressure and enters described gas-liquid separator, and then, the pressurized air that this mixed gas comes out from gas-liquid separator separates is exported to user by pneumatic tube from the exhaust passage after the cooler cooling.
This gas-liquid separator middle part is provided with oil outlet tube, the fluid that this gas-liquid separator separates is come out is removed wherein through the fluid filter and is entered cooler behind the impurity, transfer to oil separator by transport pipe again, this oil separator is injected into lubricating point in the described helical-lobe compressor with clean lubricant oil, with the moving element in the lubricate compressors, carry out the closed cycle of fluid thus.
At present, the compressed-air actuated pressure that screw air compressor on the domestic and international market is exported generally all is lower than 3.5 MPas, its reason majority is to adopt single oil dispenser in first order helical-lobe compressor and the second level helical-lobe compressor, the configuration of its lubrication system is reasonable inadequately, and relevant safe operation system can not guarantee to be caused; Thereby seriously influence the lubricating condition and the greasy property of moving element in the compressor, further restricted the compressed-air actuated pressure that described screw air compressor is exported.
The model utility content
Technical problem to be solved in the utility model is the situation at prior art, provides a kind of lubrication system to dispose rationally, have than press in the screw rod of high output pressure.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: press in a kind of screw rod, comprise motor-driven first order helical-lobe compressor and second level helical-lobe compressor, this second level helical-lobe compressor is connected with gas-liquid separator by gas-liquid delivery pipe, this gas-liquid separator middle part is provided with oil outlet tube, the fluid that this gas-liquid separator separates is come out transfers to oil dispenser from described oil outlet tube through fluid filter and cooler, it is characterized in that: described oil dispenser is set to first oil dispenser and second oil dispenser; Described first oil dispenser is provided with second level helical-lobe compressor inlet end bearing lubrication and oil pressure closed conduit and exhaust end bearing lubrication and oil pressure closed conduit; Described second oil dispenser is provided with first order helical-lobe compressor speed reducer lubrication piping and fuel injection passage; Be provided with pressure regulator valve between described first oil dispenser and described second oil dispenser.
Adopt the different separately pressurized oil system of lubricating, cooling off and sealing of above-mentioned two SCREW COMPRESSOR, can realize reducing delivery temperature, promoted exhaust pressure simultaneously, and row pressure is stable, unit operation is reliable.
The exhaust cavity of described first order helical-lobe compressor is provided with first exhaust gas temperature sensor and first back pressure transducer; Described second level helical-lobe compressor exhaust end is provided with second exhaust gas temperature sensor and second back pressure transducer.Its beneficial effect is in order further rationally to control the operating pressure and the temperature parameter of first helical-lobe compressor and second helical-lobe compressor, to realize lower delivery temperature and higher working life.
For work fluid that good quality more is provided to improve the greasy property of compressor, described gas-liquid separator oil outlet end also is provided with oily-water seperating equipment, this oily-water seperating equipment is made up of last cylinder and following cylinder; Being somebody's turn to do upward, cylinder top links to each other with fluid filter rear end, the bottom links to each other with the cooler front end; The described pure lubricant oil of cylinder after with oil-water separation of going up flows to described first oil dispenser and described second oil dispenser by described cooler.
Described first temperature transducer, described first pressure transducer, described second temperature transducer, described second pressure transducer, described oily-water seperating equipment switch electromagnetic valve are controlled by PLC.To reach the operational efficiency of the best of the present utility model.
Described gas-liquid delivery pipe front end can be provided with first one-way valve; Its beneficial effect is to guarantee that gas-liquid that the high pressure of second level helical-lobe compressor is discharged successfully is sent to gas-liquid separator and carries out gas and liquor separation.
The exhaust end of described first order helical-lobe compressor is provided with spill port, is provided with second one-way valve and second reduction valve between this spill port and the described gas-liquid separator.Its beneficial effect is to be convenient to be injected into the lubricating function that participates in first order helical-lobe compressor the exhaust cavity of first order helical-lobe compressor from gas-liquid separator top smoothly from this return port from a small amount of fluid that core gathered.
Described second level helical-lobe compressor exhaust end is provided with flow-out hole, is provided with the 3rd one-way valve between this flow-out hole and the described gas-liquid separator; The effect of the 3rd one-way valve is under outage state, and the remaining pressurized gas of first order helical-lobe compressor exhaust end is discharged in the described gas-liquid separator.
The utility model compared with prior art, its advantage is: one, the exhaust pressure height can reach 3.5 MPas; It two is to have lower delivery temperature, and is only slightly high 5～15 ℃ than ambient temperature; It three is to have good operational reliability and Security, and working life is longer again.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a second level of the present utility model helical-lobe compressor structural drawing;
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, it comprises the first order helical-lobe compressor 1 and second level helical-lobe compressor 2 of a translator and speed reducer; Air reaches the pressurized air that pressure is the medium pressure of 3.5 MPas after compressing by this first order helical-lobe compressor and second level helical-lobe compressor from suction port 24, and it is sent to gas-liquid separator 4 by outlet pipe 3 with pressurized air and carries out gas and liquor separation.
Its head is inner in the working procedure of press in the described screw rod then needs moving element is carried out effectively lubricating and cooling for producing high pressure and high temperature, and need stop that the pressurized air of head inside passes through the rolling bearing air gap leakage to the head outside; For this reason, need to spray into fluid in the screw rod in the working procedure of press, this fluid that sprays into mixes with pressurized air, they are compressed and reach the mixed gas of discharging after the design pressure and enter gas-liquid separator 4, this gas-liquid separator top is provided with oil content core 41, and the pressurized air that this mixed gas comes out from gas-liquid separator separates is exported to user by pneumatic tube from upper end outlet passageway 26 by this oil content core after cooler 7 coolings; As shown in Figure 1; Simultaneously, the fluid that this mixed gas comes out from gas-liquid separator separates accumulates in the bottom of gas-liquid separator, and remove wherein solid impurity after oily-water seperating equipment 11 is removed the moisture content of separating in the fluid, to obtain pure lubricant oil through fluid filter 6 by oil outlet tube 5; This lubricant oil enters cooler 7 and cools off, and transfers to first oil dispenser 91 and second oil dispenser 92 then.
Innovative point of the present utility model is to be provided with between first oil dispenser and second oil dispenser pressure regulator valve 10 and pressure meter 17.Because first order helical-lobe compressor is different with the operating mode of second level helical-lobe compressor, especially working pressure difference, respectively provide different lubricated and sealing oil pressure with the head position and the pressure working condition of second level helical-lobe compressor by pressure regulator valve 10 according to first order helical-lobe compressor, can realize lower delivery temperature, and reach only slightly high 5～15 ℃ than ambient temperature; But also have good operational reliability and Security, long service life.
In addition, consider the suction port of first order helical-lobe compressor, second level helical-lobe compressor and the different operating pressure between the relief opening, further reasonable disposition reduction valve (not shown in figure 1) in second level helical-lobe compressor inlet end bearing lubrication and oil pressure closed conduit 911 and speed reducer lubrication piping 921.
The utility model is in order further to realize lower delivery temperature and to improve its operational reliability and working life, exhaust cavity at a helical-lobe compressor is provided with first exhaust gas temperature sensor 13 and first back pressure transducer 14, is provided with second exhaust gas temperature sensor 15 and second back pressure transducer 16 at second level helical-lobe compressor exhaust end.
The above-mentioned fluid of separating from gas-liquid separator also contains small amount of moisture, this small amount of moisture tends to seriously influence the lubricating condition of compressor delivery pressure, operational efficiency and moving element just, thereby further has influence on the ride quality and the working life of described helical-lobe compressor.
For this reason, the utility model is set up oily-water seperating equipment 11, and purpose is to provide more the work fluid and the greasy property of good quality for helical-lobe compressor.
The utility model oily-water seperating equipment 11 adopts the combined structure design that goes up cylinder and following cylinder, and it is simple and reasonable, can significantly reduce and make and maintenance cost, uses with installation also very convenient.
This oily-water seperating equipment 11 is arranged on the oil outlet end of liquid/gas separator 4, and this oily-water seperating equipment is made up of with following cylinder 112 last cylinder 111; Being somebody's turn to do upward, cylinder top links to each other with fluid filter 6 rear ends, the bottom links to each other with cooler 7 front ends; The described pure lubricant oil of cylinder after with oil-water separation of going up flows to first oil dispenser and second oil dispenser by cooler 7.
The switch electromagnetic valve 113 of first temperature transducer, first pressure transducer, second temperature transducer, second pressure transducer, oily-water seperating equipment is controlled by PLC.To reach stable, maximum air displacement of row pressure of the present utility model and best operational efficiency.
Be sent to gas-liquid separator 4 in order to ensure the exhaust of second level helical-lobe compressor and carry out gas and liquor separation, the exhaust cavity that gas-liquid separator mesohigh gas-liquid blows back into second level helical-lobe compressor can't take place, and gas-liquid delivery pipe 3 front ends are provided with first one-way valve 18.
The exhaust end of first order helical-lobe compressor is provided with spill port 19, is provided with second one-way valve 20 and second reduction valve 21 between this spill port and the described gas-liquid separator 4; This second one-way valve and second reduction valve so that a small amount of fluid that is gathered from core 41 from gas-liquid separator top be injected into the exhaust cavity of first order helical-lobe compressor from this spill port 19 smoothly.
First order helical-lobe compressor exhaust end is provided with flow-out hole 23, is provided with the 3rd one-way valve 22 between this flow-out hole and the described gas-liquid separator 4, during outage state, discharges the unnecessary pressurized gas of first order helical-lobe compressor exhaust end by the 3rd one-way valve.
The utility model is according to operating conditions, each configuration reasonably is used to the pressurized oil system lubricating, cool off and seal to first order helical-lobe compressor and second level helical-lobe compressor, thereby reduced delivery temperature and promoted exhaust pressure simultaneously, verify from implementation process, it is only slightly high 5～15 ℃ than ambient temperature that delivery temperature of the present utility model reaches, and exhaust pressure has reached 3.5 MPas; And row pressure is stable, reliable.
Claims (8)
1. press in the screw rod, comprise first order helical-lobe compressor (1) and second level helical-lobe compressor (2), this second level helical-lobe compressor is connected with gas-liquid separator (4) by gas-liquid delivery pipe (3), this gas-liquid separator middle part is provided with oil outlet tube (5), the fluid that this gas-liquid separator separates is come out transfers to oil dispenser from described oil outlet tube through fluid filter (6) and cooler (7), it is characterized in that: described oil dispenser is set to first oil dispenser (91) and second oil dispenser (92); Described first oil dispenser (91) is provided with second level helical-lobe compressor inlet end bearing lubrication and oil pressure closed conduit (911) and exhaust end bearing lubrication and oil pressure closed conduit (912); Described second oil dispenser (92) is provided with first order helical-lobe compressor speed reducer lubrication piping (921) and fuel injection passage (922); Be provided with pressure regulator valve (10) between described first oil dispenser (91) and described second oil dispenser (92).
2. according to press in the described screw rod of claim 1, it is characterized in that: the exhaust cavity of described first order helical-lobe compressor (1) is provided with first exhaust gas temperature sensor (13) and first back pressure transducer (14).
3. according to press in the described screw rod of claim 1, it is characterized in that: described second level helical-lobe compressor (2) exhaust cavity is provided with second exhaust gas temperature sensor (15) and second back pressure transducer (16).
4. press in the screw rod according to claim 1 is characterized in that: described gas-liquid separator (4) oil outlet end also is provided with oily-water seperating equipment (11), and this oily-water seperating equipment is made up of last cylinder (111) and following cylinder (112); Being somebody's turn to do upward, cylinder top links to each other with fluid filter (6) rear end, the bottom links to each other with cooler (7) front end; The described pure lubricant oil of cylinder after with oil-water separation of going up flows to described first oil dispenser (91) and described second oil dispenser (92) by described cooler (7).
5. according to press in claim 2 or the 3 or 4 described screw rods, it is characterized in that: the switch electromagnetic valve (113) of described first temperature transducer (13), described first pressure transducer (14), described second temperature transducer (15), described second pressure transducer (16), described oily-water seperating equipment (11) is controlled by PLC.
6. press in the screw rod according to claim 1 is characterized in that: described gas-liquid delivery pipe (3) front end is provided with first one-way valve (18).
7. press in the screw rod according to claim 2 is characterized in that: the exhaust cavity of described first order helical-lobe compressor is provided with spill port (19), is provided with second one-way valve (20) and second reduction valve (21) between this spill port and the described gas-liquid separator (4).
8. press in the screw rod according to claim 3 is characterized in that: described second level helical-lobe compressor exhaust cavity is provided with flow-out hole (23), is provided with the 3rd one-way valve (22) between this flow-out hole and the described gas-liquid separator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200217570U CN201908844U (en) | 2011-01-19 | 2011-01-19 | Screw medium-pressure compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200217570U CN201908844U (en) | 2011-01-19 | 2011-01-19 | Screw medium-pressure compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201908844U true CN201908844U (en) | 2011-07-27 |
Family
ID=44301047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200217570U Expired - Lifetime CN201908844U (en) | 2011-01-19 | 2011-01-19 | Screw medium-pressure compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201908844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121476A (en) * | 2011-01-19 | 2011-07-13 | 宁波鲍斯能源装备股份有限公司 | Screw rod medium-pressure machine |
-
2011
- 2011-01-19 CN CN2011200217570U patent/CN201908844U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121476A (en) * | 2011-01-19 | 2011-07-13 | 宁波鲍斯能源装备股份有限公司 | Screw rod medium-pressure machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101943163B (en) | Two-stage medium-pressure screw-type air compressor set | |
| CN201925157U (en) | Pressure-circulation antifreeze purifying lubrication system for gas cap at hydraulic head of oilfield fracturing pump | |
| CN102003226A (en) | Turbine bearing lubricating oil supply system | |
| CN201739742U (en) | Pipeline-type differential pressure lubricating device | |
| CN204611345U (en) | A kind of synchronous revolving oil gas combined transportation device | |
| CN102121476A (en) | Screw rod medium-pressure machine | |
| CN203835653U (en) | High-pressure air pump | |
| CN201858156U (en) | Two-stage medium-pressure screw rod type air compressor unit | |
| CN204755219U (en) | Hydraulic pressure compressor | |
| CN201908844U (en) | Screw medium-pressure compressor | |
| CN202962136U (en) | Special centrifugal type oil stain separator for compressed natural gas | |
| CN102777754B (en) | Down-the-hole drill impactor piston self-lubricating device | |
| CN201246593Y (en) | Oil fog generating apparatus | |
| CN208817100U (en) | The gas booster system of horizontal well | |
| CN205298096U (en) | Natural gas filling station's closed loop hydraulic compressor arrangement | |
| CN201588762U (en) | Screw compression and piston compression tandem-type air compressor | |
| CN100564883C (en) | Fuel injection helical lobe compressor lubricant oil ancillary equipment | |
| CN208750381U (en) | One kind being applied to the matched lubricating oil station of turbo-expander | |
| CN209885492U (en) | Oil-free unit and oil-free filtering system comprising same | |
| CN201843782U (en) | Two-stage medium pressure screw-type air compressor unit | |
| CN205895593U (en) | Helical -lobe compressor of two -stage compression | |
| CN207065040U (en) | A kind of steam turbine lubricating oil station | |
| CN207245681U (en) | A kind of well casing gas separation, purification, supercharging recovery system | |
| CN112855511B (en) | Natural gas hydraulic compressor | |
| CN206817144U (en) | A kind of centrifugal compressor lubricating oil station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 315505 Zhejiang Province, Ningbo city Fenghua District streets Xiwu Shang Qiao Road No. 18 Patentee after: NINGBO BAOSI ENERGY EQUIPMENT Co.,Ltd. Address before: 315505 Zhejiang province Fenghua city streets Xiwu Shang Qiao Road No. 18 Patentee before: NINGBO BAOSI ENERGY EQUIPMENT Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |
|
| CX01 | Expiry of patent term |