CN207935088U - A kind of low-temperature-rise dry vacuum unit - Google Patents
A kind of low-temperature-rise dry vacuum unit Download PDFInfo
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- CN207935088U CN207935088U CN201820273661.5U CN201820273661U CN207935088U CN 207935088 U CN207935088 U CN 207935088U CN 201820273661 U CN201820273661 U CN 201820273661U CN 207935088 U CN207935088 U CN 207935088U
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Abstract
The utility model discloses a kind of low-temperature-rise dry vacuum units,It can ejector condenser and holder including two-stage,The top side of the holder is horizontal and is installed with two-stage air cooling dry vacuum pump,The two-stage air cooling dry vacuum pump is two-stage rotor,Pump chamber cascaded structure,The level-one pump chamber of two-stage air cooling dry vacuum pump by level-one exhaust line and two-stage can ejector condenser connect,The two level pump chamber of the two-stage air cooling dry vacuum pump passes through secondary inlet pipeline,Two level return cold pipeline and secondary exhaust pipeline and two-stage can ejector condenser connect,The utility model is simple in structure,Two pump chambers cooling pipelines can be formed by two-stage air cooling two pump chambers of dry vacuum pump and two-stage between ejector condenser,Effectively air bleeding valve is avoided to block,The stuck equal exhaust temperature of rotor increases the problem of causing,Integration Design,It is compact-sized,It is easy for installation,Extend the service life of device.
Description
Technical field
The utility model is related to vacuum pump set technical field more particularly to a kind of low-temperature-rise dry vacuum units.
Background technology
There are many structure type, including pawl pump, reciprocating pump, screw vacuum pump, Roots vaccum pump etc., dry types for dry vacuum pump
The characteristics of vacuum pump is directly to carry out compression conveying to pumped gas, and oil-free, anhydrous or other media are, it can be achieved that cleaning in pump chamber
The acquisition of vacuum.But there is the shortcomings that exhaust temperature increases in dry vacuum pump, since high temperature rise causes to be taken out in the process of running
Gas reacts, coking, carbonization etc., the material of coking carbonization can lead to dry vacuum pump air bleeding valve blocks, rotor is stuck etc.
Failure directly affects the service life of dry vacuum pump, therefore it is proposed that a kind of low-temperature-rise dry vacuum unit.
Utility model content
Purpose of the utility model is to solve exist in the prior art exhaust temperature increase the shortcomings that, and propose one kind
Low-temperature-rise dry vacuum unit.
To achieve the goals above, the utility model uses following technical solution：
Design a kind of low-temperature-rise dry vacuum unit, including two-stage can ejector condenser and holder, the two-stage can take out
Except formula condenser is horizontal and is fixedly mounted on holder, the two-stage can the top of ejector condenser be equipped with exhaust outlet, it is described
Two-stage can the top at ejector condenser both ends be respectively equipped with cooling liquid outlet, the two-stage can be under ejector condenser both ends
Portion is respectively equipped with cooling liquid inlet, the two-stage can the bottom of ejector condenser be equipped with discharging hole, the top one of the holder
Side is horizontal and is installed with two-stage air cooling dry vacuum pump, and one end at the top of the two-stage air cooling dry vacuum pump is equipped with air inlet
Mouthful, one end of the two-stage air cooling dry vacuum pump is horizontal and is fixedly connected with motor, and the motor is fixedly mounted on branch
The top of frame, the two-stage air cooling dry vacuum pump are two-stage rotor, pump chamber cascaded structure, the two-stage air cooling dry vacuum pump
Level-one pump chamber by level-one exhaust line and two-stage can ejector condenser connect, the two of the two-stage air cooling dry vacuum pump
Grade pump chamber by secondary inlet pipeline, two level return cold pipeline and secondary exhaust pipeline and two-stage can ejector condenser connect,
Be connected with level-one on the secondary inlet pipeline and return cold pipeline, the level-one return the one end of cold pipeline far from secondary inlet pipeline and
Level-one pump chamber connects.
Preferably, the two-stage can the tube side of ejector condenser can be extracted from both sides.
Preferably, two-stage air cooling dry vacuum pump, motor, two-stage can ejector condenser, level-one exhaust line,
Level-one returns cold pipeline, secondary inlet pipeline, two level and returns cold pipeline, secondary exhaust pipeline expansion body skid on holder.
The utility model proposes a kind of low-temperature-rise dry vacuum unit, advantageous effect is：The use of the new type structure letter
It is single, it can form two pump chamber cooling pipes between ejector condenser by two-stage air cooling two pump chambers of dry vacuum pump and two-stage
Road, effectively avoiding the problem that the exhaust temperature such as air bleeding valve blocks, rotor is stuck increase causes, Integration Design, compact-sized, installation
It is convenient, extend the service life of device.
Description of the drawings
Fig. 1 be the utility model proposes a kind of low-temperature-rise dry vacuum unit structural schematic diagram；
Fig. 2 be the utility model proposes a kind of low-temperature-rise dry vacuum unit level-one pump chamber pipeline schematic diagram；
Fig. 3 be the utility model proposes a kind of low-temperature-rise dry vacuum unit two level pump chamber pipeline schematic diagram.
In figure：Two-stage can ejector condenser 1, level-one exhaust line 2, holder 3, two-stage air cooling dry vacuum pump 4, level-one
It returns cold pipeline 5, secondary inlet pipeline 6, two level and returns cold pipeline 7, secondary exhaust pipeline 8, motor 9, air inlet 10, exhaust outlet
11, cooling liquid outlet 12, cooling liquid inlet 13, discharging hole 14.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of low-temperature-rise dry vacuum unit, including two-stage can ejector condenser 1 and holder 3, two-stage
Can ejector condenser 1 it is horizontal and be fixedly mounted on holder 3, two-stage can ejector condenser tube side can be taken out from both sides
It removes, it is very convenient.
Two-stage can ejector condenser 1 top be equipped with exhaust outlet 11, two-stage can 1 both ends of ejector condenser upper part
Not She You cooling liquid outlet 12, two-stage can the lower part at 1 both ends of ejector condenser be respectively equipped with cooling liquid inlet 13, cooling moisture
Not from cooling liquid inlet 13 into cooling liquid outlet 12 goes out.
Two-stage can the bottom of ejector condenser 1 be equipped with discharging hole 14, the top side of holder 3 is horizontal and is installed with
One end of two-stage air cooling dry vacuum pump 4,4 top of two-stage air cooling dry vacuum pump is equipped with air inlet 10, and two-stage air cooling dry type is true
One end of sky pump 4 is horizontal and is fixedly connected with motor 9, and motor 9 drives two-stage air cooling dry vacuum pump 4 to work.
Motor 9 is fixedly mounted on the top of holder 3, and two-stage is gas-cooled dry vacuum pump 4 as two-stage rotor, pump chamber tandem junction
Structure, two-stage be gas-cooled dry vacuum pump 4 level-one pump chamber by level-one exhaust line 2 and two-stage can ejector condenser 1 connect, quilt
It is evacuated body and level-one pump chamber is entered by air inlet 10 first, can be taken out into two-stage by level-one exhaust line 2 after air-breathing, compression
Except being cooled down in the level-one shell side of formula condenser.
The two level pump chamber of two-stage air cooling dry vacuum pump 4 returns cold pipeline 7 and two level by secondary inlet pipeline 6, two level
Exhaust line 8 and two-stage can ejector condenser 1 connect, being connected with level-one on secondary inlet pipeline 6 returns cold pipeline 5, and level-one is returned
The one end of cold pipeline 5 far from secondary inlet pipeline 6 is connected with level-one pump chamber, is gone forward side by side by the discharge of secondary inlet pipeline 6 after cooling
Enter two level pump chamber, while part gas after cooling returns cold pipeline 5 by the level-one of level-one pump chamber both sides and backflows to level-one pump chamber
Compression chamber in rotor is cooled down.Formula can be extracted into two-stage by secondary exhaust pipeline 8 after two level pump chamber air-breathing, compression
It is cooled down in the two level shell side of condenser.
Two-stage air cooling dry vacuum pump 4, motor 9, two-stage can ejector condenser 1, level-one exhaust line 2, level-one return
Cold pipeline 5, secondary inlet pipeline 6, two level return cold pipeline 7,8 equal overall skid-mounted of secondary exhaust pipeline on holder 3, and structure is tight
It gathers, Integration Design.
Operation principle：Two-stage is gas-cooled dry vacuum pump 4 using two-stage rotor, pump chamber cascaded structure, and pumped gas is logical first
It crosses air inlet 10 and enters level-one pump chamber, entering two-stage by level-one exhaust line 2 after air-breathing, compression can ejector condenser 1
Level-one shell side in cooled down, two level pump chamber escaped and enter by secondary inlet pipeline 6 after cooling, while after part is cooling
Gas return cold pipeline 5 by the level-one of level-one pump chamber both sides and backflow to being cooled down to rotor in the compression chamber of level-one pump chamber.
After two level pump chamber air-breathing, compression by secondary exhaust pipeline 8 enter two-stage can carry out in the two level shell side of ejector condenser 1 it is cold
But, it is discharged eventually by exhaust outlet 11, while part gas after cooling returns cold pipeline 7 by the two level of two level pump chamber both sides and returns
Flow in the compression chamber of two level pump chamber and rotor cooled down, two-stage can the tube side of ejector condenser 1 can be taken out from both sides
It removes, cooling water is respectively from cooling liquid inlet 13 into cooling liquid outlet 12 goes out.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of low-temperature-rise dry vacuum unit, including two-stage can ejector condenser (1) and holder (3), the two-stage can take out
Except formula condenser (1) is horizontal and is fixedly mounted on holder (3), which is characterized in that the two-stage can ejector condenser (1)
Top is equipped with exhaust outlet (11), the two-stage can the top at ejector condenser (1) both ends be respectively equipped with cooling liquid outlet (12),
The two-stage can the lower part at ejector condenser (1) both ends be respectively equipped with cooling liquid inlet (13), it is cold that the two-stage can extract formula
The bottom of condenser (1) is equipped with discharging hole (14), and the top side of the holder (3) is horizontal and is installed with two-stage air cooling dry type
Vacuum pump (4), one end at the top of two-stage air cooling dry vacuum pump (4) are equipped with air inlet (10), and the two-stage is gas-cooled dry type
One end of vacuum pump (4) is horizontal and is fixedly connected with motor (9), and the motor (9) is fixedly mounted on the top of holder (3)
Portion, the two-stage air cooling dry vacuum pump (4) are two-stage rotor, pump chamber cascaded structure, the two-stage air cooling dry vacuum pump (4)
Level-one pump chamber by level-one exhaust line (2) and two-stage can ejector condenser (1) connect, the two-stage is gas-cooled dry vacuum
The two level pump chamber of pump (4) returns cold pipeline (7) and secondary exhaust pipeline (8) by secondary inlet pipeline (6), two level and two-stage can
Ejector condenser (1) connects, and being connected with level-one on the secondary inlet pipeline (6) returns cold pipeline (5), and the level-one returns cold pipe
The one end of line (5) far from secondary inlet pipeline (6) is connected with level-one pump chamber.
2. a kind of low-temperature-rise dry vacuum unit according to claim 1, which is characterized in that it is cold that the two-stage can extract formula
The tube side of condenser (1) can be extracted from both sides.
3. a kind of low-temperature-rise dry vacuum unit according to claim 1, which is characterized in that the two-stage air cooling dry type is true
Sky pump (4), motor (9), two-stage can ejector condenser (1), level-one exhaust line (2), level-one return cold pipeline (5), two level
Admission line (6), two level return cold pipeline (7), secondary exhaust pipeline (8) overall skid-mounted on holder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820273661.5U CN207935088U (en) | 2018-02-26 | 2018-02-26 | A kind of low-temperature-rise dry vacuum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820273661.5U CN207935088U (en) | 2018-02-26 | 2018-02-26 | A kind of low-temperature-rise dry vacuum unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207935088U true CN207935088U (en) | 2018-10-02 |
Family
ID=63652972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820273661.5U Active CN207935088U (en) | 2018-02-26 | 2018-02-26 | A kind of low-temperature-rise dry vacuum unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207935088U (en) |
-
2018
- 2018-02-26 CN CN201820273661.5U patent/CN207935088U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low temperature rise dry vacuum unit Effective date of registration: 20201127 Granted publication date: 20181002 Pledgee: Zibo Boshan District sub branch of Postal Savings Bank of China Pledgor: SHANDONG BOKE VACUUM TECHNOLOGY Co.,Ltd. Registration number: Y2020980008564 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |