CN207598504U - A kind of vacuum pump in chemical process - Google Patents
A kind of vacuum pump in chemical process Download PDFInfo
- Publication number
- CN207598504U CN207598504U CN201721615176.3U CN201721615176U CN207598504U CN 207598504 U CN207598504 U CN 207598504U CN 201721615176 U CN201721615176 U CN 201721615176U CN 207598504 U CN207598504 U CN 207598504U
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- China
- Prior art keywords
- motor
- pump
- housing
- shell
- vacuum pump
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Abstract
Vacuum pump in a kind of chemical process provided by the utility model, including motor and the pump housing, the pump housing is placed on the pump seat with shock-damping structure, two screw rods, impeller and the pump cover in the housing are mounted on including housing, by bearing, the motor connects the screw rod described in two by shaft coupling；The pump housing forepart is equipped with air inlet, and rear side is equipped with exhaust outlet, further includes the upright muffler connected with the exhaust outlet, and the output terminal of the motor is equipped with motor muffler.The noise of vacuum pump discharges generation can be greatly reduced using the utility model, be conducive to producer's health, also have and reduce vacuum pump maintenance frequency, improve the effect of production efficiency.
Description
Technical field
The utility model is related to the vacuum pumps in a kind of chemical process.
Background technology
During polyester resin production, particularly during vacuumizing, the selection of vacuum pump is even more important.Tradition
Thtee-stage shiplock Roots vaccum pump vacuum efficiency it is relatively low, sound is big during vacuum pump operation, faults frequent, now true using screw
Sky is pumped and is improved, and can reduce noise pollution, reduces vacuum pump maintenance frequency, is improved production efficiency, is overcome the prior art
Problem.
Utility model content
The utility model provides a kind of Chemical Manufacture that can be greatly reduced vacuum pump operation noise, be conducive to producer's health
Vacuum pump in the process.
To achieve these goals, the technical solution that the utility model is taken is：
Vacuum pump in the chemical process, including motor and the pump housing, the pump housing is placed in damping knot
On the pump seat of structure, two screw rods, impeller and pump cover in the housing, the motor are mounted on including housing, by bearing
Screw rod described in two is connected by shaft coupling；The pump housing forepart is equipped with air inlet, and rear side is equipped with exhaust outlet, further includes
The upright muffler connected with the exhaust outlet, the output terminal of the motor are equipped with motor muffler.
The motor muffler includes shell and inner casing, and the inner casing is sleeved on the output terminal of the motor, the shell and
Porous sound absorbing material is filled between inner casing.
The upright muffler includes inner casing and shell, and the exhaust outlet is communicated in the inner casing, the inner housing inner
From top to bottom it is divided into several chambers by partition board, is connected between adjacent chamber by hush pipe, uniform cloth on the hush pipe side wall
Equipped with several bloops, the upright muffler top is equipped with the gas outlet for being communicated to the top chamber.
Region between the inner casing and shell is cooling chamber, and the shell upper is equipped with the water inlet for connecting the cooling chamber
Mouthful, the outer casing underpart is equipped with the water outlet for connecting the cooling chamber.
The inner shell bottom is higher than the water outlet, and the inner shell bottom has several connection institutes along interior shell side wall is uniformly distributed
State the condensation-water drain of cooling chamber.
Using above-mentioned technical proposal, the output terminal noise of motor operation generation can be effectively reduced by motor muffler, directly
Vertical muffler can greatly reduce the noise of vacuum pump discharges generation, be conducive to producer's health, also have and reduce vacuum pump repair
Number improves the effect of production efficiency.
The porous sound absorbing material of the noise quilt cover that motor output end vibration generates on it absorbs, and effect is good easy for installation.
Separated region and with the multiple noise reduction of hush pipe, can effectively reduce exhaust noise.Exhaust temperature can be reduced by carrying out water cooling using the chamber that cools down
Degree, condensed water then flows down condensed water out along interior shell side wall and enters cooling chamber, finally from positioned at upright muffler the lowermost
Water outlet flows out.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the right view of structure shown in Fig. 1；
Fig. 3 is the structure diagram of upright muffler in the utility model.
Label in figure for：
1. the pump housing, 2. motors, 3. shaft couplings, 4. upright mufflers, 5. motor mufflers, 6. pump seats, 7. pump covers, 8. air inlets
Mouth, 9. screw rods, 10. water inlets, 11. gas outlets, 12. water outlets, 13. exhaust outlets, 14. hush pipes, 15. partition boards, 16. condensed waters
Outlet, 17. cooling chambers.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present invention further detailed
Explanation, with help those skilled in the art to the present utility model design, technical solution have it is more complete, accurate and deeply
Understanding.
As shown in Figs. 1-3, the utility model provides the vacuum pump in a kind of chemical process, is screw vacuum
Pump, including motor 2 and the pump housing 1.The pump housing 1 is placed on the pump seat 6 with shock-damping structure, is installed including housing, by bearing
In two screw rods 9, impeller and the pump cover 7 in the housing, motor 2 connects the screw rod 9 described in two by shaft coupling 3.Pump
1 forepart of body is equipped with air inlet 8, and side is equipped with exhaust outlet 13, further includes the upright muffler 4 connected with the exhaust outlet 13, electricity
The output terminal of machine 2 is equipped with motor muffler 5.
Motor muffler 5 includes shell and inner casing, and inner casing is sleeved on the output terminal of the motor 2, is filled out between shell and inner casing
Filled with porous sound absorbing material.The porous sound absorbing material of the noise quilt cover that the vibration of 2 output terminal of motor generates on it absorbs, and effect is good
It is easy for installation.
Upright muffler 4 includes inner casing and shell, and exhaust outlet 13 is communicated in inner casing.Inner housing inner by partition board 15 by up to
Under be divided into several chambers, connected between adjacent chamber by hush pipe 14, it is uniformly distributed on 14 side wall of hush pipe to have several noise reductions
Hole, upright 4 top of muffler are equipped with the gas outlet 11 for being communicated to the top chamber.The structure point is by septal area domain and with hush pipe
More than 14 noise reduction, can effectively reduce exhaust noise.
Region between inner casing and shell is cooling chamber 17, and shell upper is equipped with the water inlet 10 of connection cooling chamber 17, outside
Shell bottom is equipped with the water outlet 12 for connecting the cooling chamber 17.Inner shell bottom is higher than the water outlet 12, the inner shell bottom
Along the uniformly distributed condensation-water drain 16 for having several connections cooling chamber 17 of interior shell side wall.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that the utility model methodology and technical solution carry out
Into or it is not improved by the utility model design and technical solution directly apply to other occasions, the utility model protect
Within the scope of shield.
Claims (5)
1. the vacuum pump in a kind of chemical process, including motor and the pump housing, the pump housing is placed in shock-damping structure
On pump seat, two screw rods, impeller and pump cover in the housing are mounted on including housing, by bearing, the motor passes through
Shaft coupling connects the screw rod described in two；The pump housing forepart is equipped with air inlet, and rear side is equipped with exhaust outlet, and feature exists
In：The upright muffler connected with the exhaust outlet is further included, the output terminal of the motor is equipped with motor muffler.
2. the vacuum pump in a kind of chemical process according to claim 1, it is characterised in that：The motor muffler
Including shell and inner casing, the inner casing is sleeved on the output terminal of the motor, and porous sound absorbing is filled between the shell and inner casing
Material.
3. the vacuum pump in a kind of chemical process according to claim 1, it is characterised in that：The upright muffler
Including inner casing and shell, the exhaust outlet is communicated in the inner casing, and the inner housing inner is from top to bottom divided into several by partition board
Chamber is connected by hush pipe between adjacent chamber, uniformly distributed on the hush pipe side wall to have several bloops, described upright
Muffler top is equipped with the gas outlet for being communicated to the top chamber.
4. the vacuum pump in a kind of chemical process according to claim 3, it is characterised in that：The inner casing and shell
Between region for cooling chamber, the shell upper be equipped with connect it is described cooling chamber water inlet, the outer casing underpart be equipped with connect
The water outlet of the logical cooling chamber.
5. the vacuum pump in a kind of chemical process according to claim 4, it is characterised in that：The inner shell bottom is high
In the water outlet, the inner shell bottom has several condensation-water drains for connecting the cooling chamber along interior shell side wall is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721615176.3U CN207598504U (en) | 2017-11-28 | 2017-11-28 | A kind of vacuum pump in chemical process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721615176.3U CN207598504U (en) | 2017-11-28 | 2017-11-28 | A kind of vacuum pump in chemical process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598504U true CN207598504U (en) | 2018-07-10 |
Family
ID=62761348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721615176.3U Active CN207598504U (en) | 2017-11-28 | 2017-11-28 | A kind of vacuum pump in chemical process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598504U (en) |
-
2017
- 2017-11-28 CN CN201721615176.3U patent/CN207598504U/en active Active
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