CN108412740A - A kind of the vacuum supply system and its control method of low energy consumption - Google Patents
A kind of the vacuum supply system and its control method of low energy consumption Download PDFInfo
- Publication number
- CN108412740A CN108412740A CN201810232656.4A CN201810232656A CN108412740A CN 108412740 A CN108412740 A CN 108412740A CN 201810232656 A CN201810232656 A CN 201810232656A CN 108412740 A CN108412740 A CN 108412740A
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- China
- Prior art keywords
- vacuum
- vacuum pump
- water
- level
- order
- Prior art date
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Links
- 238000005265 energy consumption Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 9
- 238000001179 sorption measurement Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 229920001131 Pulp (paper) Polymers 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 239000008400 supply water Substances 0.000 claims description 5
- 230000003584 silencer Effects 0.000 claims description 4
- 241000256135 Chironomus thummi Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention relates to technical field of vacuum equipment, disclose a kind of vacuum supply system of low energy consumption, for paper mould adsorption forming, there is concatenated first order vacuum pump, second level vacuum pump and the power plant for driving first order vacuum pump and second level vacuum pump simultaneously；This vacuum supply system is contacted using first order vacuum pump and second level vacuum pump, it is controlled in conjunction with control device, two vacuum pumps are driven using a set of power plant, can substantially save 50% electric energy use in this way, and the control of this vacuum supply system is simpler.
Description
Technical field
The present invention relates to vacuum system technical field more particularly to the vacuum supply systems and its controlling party of a kind of low energy consumption
Method.
Background technology
Currently, industrially being produced using vacuum suction, manufacturing comparable universal, and existing vacuum suction master
If being vacuumized using vacuum pump, it is made to generate the environment of a negative pressure, to carry out negative-pressure adsorption using pipeline etc.
Use.And the prior art vacuumizes to realize, is aspirated using vacuum pump mostly, when a vacuum pump cannot reach true
When the requirement of sky suction, then pumping operation simply is doubled using multiple vacuum pumps, but this multiple vacuum pumps then need
Multiple power plants are equipped with to drive its work, not only energy consumption is larger, and control is more troublesome, and needs to be respectively controlled,
In view of this, the present inventor has made improvement.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide vacuum supply system and its control of a kind of low energy consumption
Method processed, this vacuum supply system have the advantages that control is simple, energy-saving.
To achieve the above object, the vacuum supply system of a kind of low energy consumption of the invention is used for paper mould adsorption forming,
With concatenated first order vacuum pump, second level vacuum pump and the power for driving first order vacuum pump and second level vacuum pump simultaneously
Device；The vacuum tank being connect with first order vacuum pump, the setting of several paper pulp molding forming terminals are connected with vacuum tank；For
Detect the first sensor S1 of vacuum values in vacuum tank；Detect the second sensor of first order vacuum pump gas output compressed value
S2；Detect the 3rd sensor S3 of second level vacuum pump gas output compressed value；Second level vacuum pump is connected with output pipe；Control
System processed controls first order vacuum pump and second level vacuum pump, and the compression ratio of first order vacuum pump is made to be more than second level vacuum
The compression ratio of pump.
Further, there is water system, and connect and controlled with control system, water system is used for true to the first order
Sky pump and second level vacuum water supplying pump.
Further, water system is connected with heat-energy recovering apparatus, and heat-energy recovering apparatus is by first order vacuum pump, second
Grade vacuum pump and the work thermal energy of power plant are recycled.
Further, the compression ratio ratio of first order vacuum pump and second level vacuum pump is 3:2.
Further, the output pipe of second level vacuum pump is connected with filter, and filter is filtered compressed air.
Preferably, the output pipe of filter is connected with silencer.
Further, the bottom of the vacuum tank is provided with water tank, and water level sensor, water are provided in the water tank
Position inductor is electrically connected with control system, and water tank is connected with output water pipe, and output water pipe is connected with solenoid electric valve, electromagnetism
Control valve is electrically connected with control system.
A kind of control method of the vacuum supply system of low energy consumption is negative pressure when first sensor S1 is detected in vacuum tank
When, control power plant makes first order vacuum pump and second level vacuum pump operation, and water system, which is opened to supply water, gives first order vacuum
Pump and second level vacuum pump；When it is normal pressure that first sensor S1, which is detected in vacuum tank, control power plant keeps the first order true
Sky pump and second level vacuum pump operation, water system are closed.
Further, when second sensor S2 detects that first order vacuum pump gas output compressed value is more than preset value,
Control device control water system gives second level vacuum water supplying pump；When second sensor S2 detects that first order vacuum pump gas is defeated
When going out compressed value less than preset value, control device control water system stops giving second level vacuum water supplying pump.
Beneficial effects of the present invention：A kind of vacuum supply system of low energy consumption is used for paper mould adsorption forming, has string
First order vacuum pump, second level vacuum pump and the power plant for driving first order vacuum pump and second level vacuum pump simultaneously of connection；
This vacuum supply system is contacted using first order vacuum pump and second level vacuum pump, is controlled in conjunction with control device,
Two vacuum pumps are driven using a set of power plant, can substantially save 50% electric energy use in this way, and this vacuum supplies
Answer the control of system simpler.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention.
Reference numeral includes：
Paper pulp molding terminal -- 11, first order vacuum pump -- 12, second level vacuum pump -- 13, control system -- 14, it supplies water
System -- 15, filter -- 16, silencer -- 17, heat-energy recovering apparatus -- 18, vacuum tank -- 19.
Specific implementation mode
1 the present invention will be described in detail below in conjunction with the accompanying drawings.
A kind of vacuum supply system of low energy consumption of the present invention is used for paper mould adsorption forming, has concatenated first
Grade vacuum pump 12, second level vacuum pump 13 and the power plant for driving first order vacuum pump 12 and second level vacuum pump 13 simultaneously；
The vacuum tank 19 being connect with first order vacuum pump, the setting of several paper pulp molding forming terminals are connected with vacuum tank；For examining
Survey the first sensor S1 of vacuum values in vacuum tank；Detect the second sensor S2 of first order vacuum pump gas output compressed value；
Detect the 3rd sensor S3 of second level vacuum pump gas output compressed value；Second level vacuum pump is connected with output pipe；Control
System 14 controls first order vacuum pump and second level vacuum pump, and the compression ratio of first order vacuum pump is made to be more than second level vacuum
The compression ratio of pump.
Further, there is water system 15, and connect and controlled with control system 14, water system is used for first
Grade vacuum pump 12 and second level vacuum pump 13 supply water.
The operation principle of this vacuum supply system is：First order vacuum pump and second level vacuum pump are by the middle air of vacuum tank
It is aspirated, makes always to be to maintain certain vacuum negative pressure condition in vacuum tank 19, paper pulp molding forming equipment, including midge mold
It is adsorbed using the negative pressure of vacuum tank, when the negative pressure in vacuum tank continuously decreases, is carried out by first sensor S1 real-time
Monitoring, control device is fed back to by real-time negative pressure value, and when negative pressure value is less than preset limit value, control system controls power dress
Setting makes first order vacuum pump and second level vacuum pump operation, and water system, which is opened, to supply water to first order vacuum pump and second level vacuum
The compression chamber of pump realizes sealing and cooling to first order vacuum pump using supplying water, vacuum pump is avoided to generate heat.
And when it is normal pressure that first sensor S1, which is detected in vacuum tank, control power plant makes first order vacuum pump and the
Secondary vacuum pump operation, water system are closed.Such be advantageous in that can make first order vacuum pump and second level vacuum pump can
To carry out compressed air with maximum plot ratio, rapidly negative pressure state will be realized in vacuum tank to realize.
Certainly, in order to enable thermal energy to utilize again, water system is connected with heat-energy recovering apparatus 18, heat-energy recovering apparatus
The work thermal energy of first order vacuum pump, second level vacuum pump and power plant is recycled.
In the technical scheme, the compression ratio ratio of first order vacuum pump and second level vacuum pump is 3:2.It is true by the second level
After sky 13 pairs of first order vacuum pumps 12 of pump are further compressed, the compression effect ratio of vacuum pump can be improved.
During paper pulp molding forming, dust and gas is easy tod produce, in the technical scheme, the output of second level vacuum pump
Piping connection has filter 16, and filter is filtered compressed air.
Meanwhile for noise reduction, the output pipe of filter is connected with silencer 17.
In general, paper mould has a large amount of water to be absorbed into vacuum tank simultaneously in forming process, if largely
Water, which enters in vacuum tank, to be accumulated, and the volume of vacuum tank can be influenced, and in the present embodiment, the bottom of the vacuum tank is provided with
Water tank is provided with water level sensor in the water tank, and water level sensor is electrically connected with control system, and water tank is connected with
Water pipe is exported, output water pipe is connected with solenoid electric valve, and solenoid electric valve is electrically connected with control system 14.When product in water tank
When tired water is maintained at a certain range value, then solenoid electric valve is closed, and avoids influencing when discharging water because of output water pipe
Negative pressure of vacuum value in vacuum tank 19, only when the water accumulated in water tank is detected by water level sensor more than upper range
When value, then control system control solenoid electric valve is opened, and so that the water accumulated in vacuum tank 19 is carried out concentration discharge, while keeping most
Low accumulation water, in order to avoid influence the environment in vacuum tank.
Present system also provides a kind of control methods of the vacuum supply system of low energy consumption, when first sensor S1 is detected
When being negative pressure in vacuum tank and being less than preset lower limit value, control power plant makes first order vacuum pump and second level vacuum pump transport
Row, water system, which is opened, to supply water to first order vacuum pump and second level vacuum pump；When first sensor S1 is detected in vacuum tank
For normal pressure when, control power plant makes first order vacuum pump and second level vacuum pump operation, and water system is closed.
Further, when second sensor S2 detects that first order vacuum pump gas output compressed value is more than preset value,
Control device control water system gives second level vacuum water supplying pump；When second sensor S2 detects that first order vacuum pump gas is defeated
When going out compressed value less than preset value, control device control water system stops giving second level vacuum water supplying pump.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (9)
1. a kind of vacuum supply system of low energy consumption is used for paper mould adsorption forming, it is characterised in that：With concatenated first
Grade vacuum pump, second level vacuum pump and the power plant for driving first order vacuum pump and second level vacuum pump simultaneously；
The vacuum tank being connect with first order vacuum pump, the setting of several paper pulp molding forming terminals are connected with vacuum tank；
First sensor S1 for detecting vacuum values in vacuum tank；
Detect the second sensor S2 of first order vacuum pump gas output compressed value；
Detect the 3rd sensor S3 of second level vacuum pump gas output compressed value；
Second level vacuum pump is connected with output pipe；
Control system controls first order vacuum pump and second level vacuum pump, and the compression ratio of first order vacuum pump is made to be more than second
The compression ratio of grade vacuum pump.
2. a kind of vacuum supply system of low energy consumption according to claim 1, it is characterised in that：With water system, and
It connect and is controlled with control system, water system is used for first order vacuum pump and second level vacuum water supplying pump.
3. a kind of vacuum supply system of low energy consumption according to claim 2, it is characterised in that：Water system is connected with heat
Energy retracting device, heat-energy recovering apparatus are returned the work thermal energy of first order vacuum pump, second level vacuum pump and power plant
It receives.
4. a kind of vacuum supply system of low energy consumption according to claim 1, it is characterised in that：First order vacuum pump and
The compression ratio ratio of two-stage vacuum pump is 3:2.
5. a kind of vacuum supply system of low energy consumption according to claim 1, it is characterised in that：Second level vacuum pump it is defeated
Go out pipeline and be connected with filter, filter is filtered compressed air.
6. a kind of vacuum supply system of low energy consumption according to claim 5, it is characterised in that：The output pipe of filter
It is connected with silencer.
7. a kind of vacuum supply system of low energy consumption according to claim 1, it is characterised in that：The bottom of the vacuum tank
It is provided with water tank, water level sensor is provided in the water tank, water level sensor is electrically connected with control system, water tank
It is connected with output water pipe, output water pipe is connected with solenoid electric valve, and solenoid electric valve is electrically connected with control system.
8. a kind of control method of the vacuum supply system of low energy consumption, it is characterised in that：
When it is negative pressure that first sensor S1, which is detected in vacuum tank, control power plant keeps first order vacuum pump and the second level true
Empty pump operation, water system, which is opened, to supply water to first order vacuum pump and second level vacuum pump；
When it is normal pressure that first sensor S1, which is detected in vacuum tank, control power plant keeps first order vacuum pump and the second level true
Empty pump operation, water system are closed.
9. a kind of control method of the vacuum supply system of low energy consumption according to claim 8, it is characterised in that：When second
When sensor S2 detects that first order vacuum pump gas output compressed value is more than preset value, control device controls water system to the
Secondary vacuum water supplying pump；
When second sensor S2 detects that first order vacuum pump gas output compressed value is less than preset value, control device control supplies
Water system stops giving second level vacuum water supplying pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232656.4A CN108412740A (en) | 2018-03-16 | 2018-03-16 | A kind of the vacuum supply system and its control method of low energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232656.4A CN108412740A (en) | 2018-03-16 | 2018-03-16 | A kind of the vacuum supply system and its control method of low energy consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412740A true CN108412740A (en) | 2018-08-17 |
Family
ID=63133016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810232656.4A Pending CN108412740A (en) | 2018-03-16 | 2018-03-16 | A kind of the vacuum supply system and its control method of low energy consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412740A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814183A (en) * | 1994-06-28 | 1996-01-16 | Miura Co Ltd | Sealing water cooling system of water sealing type vacuum pump in deaerator |
| CN1877132A (en) * | 2005-06-07 | 2006-12-13 | 株式会社荏原制作所 | Vacuum air-discharging system |
| JP2009209684A (en) * | 2008-02-29 | 2009-09-17 | Kawamoto Pump Mfg Co Ltd | Vacuum pump unit and method of controlling vacuum pump unit |
| WO2014072276A1 (en) * | 2012-11-09 | 2014-05-15 | Oerlikon Leybold Vacuum Gmbh | Vacuum pump system for evacuating a chamber, and method for controlling a vacuum pump system |
| CN204627988U (en) * | 2014-12-30 | 2015-09-09 | 烟台沃尔姆真空技术有限公司 | The series connection Roots vacuum system that can simultaneously start |
| CN207960895U (en) * | 2018-03-16 | 2018-10-12 | 东莞市基富真空设备有限公司 | A kind of vacuum supply system of low energy consumption |
-
2018
- 2018-03-16 CN CN201810232656.4A patent/CN108412740A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814183A (en) * | 1994-06-28 | 1996-01-16 | Miura Co Ltd | Sealing water cooling system of water sealing type vacuum pump in deaerator |
| CN1877132A (en) * | 2005-06-07 | 2006-12-13 | 株式会社荏原制作所 | Vacuum air-discharging system |
| JP2009209684A (en) * | 2008-02-29 | 2009-09-17 | Kawamoto Pump Mfg Co Ltd | Vacuum pump unit and method of controlling vacuum pump unit |
| WO2014072276A1 (en) * | 2012-11-09 | 2014-05-15 | Oerlikon Leybold Vacuum Gmbh | Vacuum pump system for evacuating a chamber, and method for controlling a vacuum pump system |
| CN204627988U (en) * | 2014-12-30 | 2015-09-09 | 烟台沃尔姆真空技术有限公司 | The series connection Roots vacuum system that can simultaneously start |
| CN207960895U (en) * | 2018-03-16 | 2018-10-12 | 东莞市基富真空设备有限公司 | A kind of vacuum supply system of low energy consumption |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |