CN105971883A - Roots blower control system for controlling methane automatic pressurizing device - Google Patents
Roots blower control system for controlling methane automatic pressurizing device Download PDFInfo
- Publication number
- CN105971883A CN105971883A CN201610574666.7A CN201610574666A CN105971883A CN 105971883 A CN105971883 A CN 105971883A CN 201610574666 A CN201610574666 A CN 201610574666A CN 105971883 A CN105971883 A CN 105971883A
- Authority
- CN
- China
- Prior art keywords
- switch
- roots blower
- converter
- frequency converter
- control system
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a roots blower control system for controlling a methane automatic pressurizing device. The roots blower control system comprises a frequency converter, a pressure transmitter, a radiating fan used for radiating, a roots blower and a control circuit, wherein a first key switch is connected between a first end pin and a second end pin of the frequency converter; the pressure transmitter is connected between a third end pin and a fourth end pin of the frequency converter; a fifth end pin is connected with a sixth end pin of the frequency converter; a seventh end pin is connected with an eighth end pin of the frequency converter; a ninth end pin of the frequency converter is grounded; a pressure sensor is arranged on the pressure transmitter. The invention has the beneficial effects that the frequency converter and the pressure sensor are used for controlling the roots blower of the methane automatic pressurizing device; when air pressure is low, the roots blower controlled by the frequency converter runs by increasing the frequency; when air pressure reaches the upper limit, the roots blower controlled by the frequency converter runs by reducing the frequency; the running at constant rotating moment of the roots blower is ensured all the time; the pressure of the air tank is kept constant; the structure is simple; the practicability is strong.
Description
Technical field
The present invention relates to biogas control field, a kind of roots blower controlling biogas automatic pressurizing device
Control system.
Background technology
Large, medium and small i.e. jumbo methane-generating pit, no matter how structure, material change, and typically have and detest
Aerobe fermentation tank and gas tank exist simultaneously, could realize the function of aerogenesis and air storage, and use additional air pressure
Under conditions of could meet the requirement of normal use.Its structure is complicated, and floor space is big, and cost is high.
Roots blower is a kind of positive displacement blower fan, in the industrial production, can be used for the air conveying of material, also
Can be used for providing the air pulse of constant pressure.When providing constant pressure air pulse, reach when air pressure or
After setting value, the pressure relief valve of roots blower can actively open, and aerofluxus blood pressure lowering makes the air-flow of offer
Pressure maintains constant scope, existing roots blower set control system typically use throttle flow rate control or
Frequency control flow control system, the former energy expenditure is higher and the latter's equipment cost is high.
Tradition biogas automatic pressurizing device utilize pressure switch to control air pressure height, when air pressure is less than down
The when of limit, pressure switch just Guan Bi, roots blower begins to starting and carries out air-breathing, and pressure reaches the upper limit, pressure
Power switch just disconnects, and roots blower just stops suction, if air pressure is low, roots blower has begun to
Move and carry out air-breathing；But gas tank pressure does not ensures constant voltage, do not reach use requirement.
Therefore, the problems referred to above are necessary to propose a kind of roots blower control controlling biogas automatic pressurizing device
System processed.
Summary of the invention
The present invention seeks to overcome deficiency of the prior art, it is provided that a kind of biogas Self-pressurizing agri that controls fills
The roots blower control system put.
In order to solve above-mentioned technical problem, the present invention is to be achieved through the following technical solutions:
A kind of roots blower control system controlling biogas automatic pressurizing device, including converter, pressure inverting
Device, cooling fan, roots blower and control circuit for heat radiation, the first end foot of described converter and the
Connect between two end feet and have the first key switch, connect between the 3rd end foot and the 4th end foot of described converter
Pressure transmitter, the 5th end foot of described converter and the 6th end foot to connect, the 7th end of described converter
Foot and the 8th end foot connect, nine end foot ground connection of described converter, and described pressure transmitter is provided with pressure and passes
Sensor.
Preferably, control circuit include display lamp, chopper, normally closed switch, the second key switch, first
Coil switch, the second coil switch, tertiary coil switch, the 4th coil switch, the 3rd switch, the 4th open
Pass, the 5th switch and fuse.
Preferably, the earth terminal ground connection of described roots blower, the U end of described roots blower, V end and W end
Connection corresponding with the U end of converter, V end and W end, the R end of described cooling fan, S end and T respectively
End is corresponding with the R end of converter, S end and T end respectively to be connected.
Preferably, the R end of described converter, S end and T end the most respectively with first coil switch, the second line
Circle switch and tertiary coil switch connect, and described first coil switch, the second coil switch and tertiary coil are opened
Close and connect with the 3rd corresponding switch, the 4th switch and the 5th switch respectively,
Preferably, described 4th switch is connected display lamp, between described display lamp two ends between the 5th switch
It is connected with normally closed switch, the second key switch, the 4th coil switch and chopper, described second button in turn
Switch in parallel with the 4th coil switch.
The invention has the beneficial effects as follows: have employed converter and pressure transducer to control biogas Self-pressurizing agri dress
The roots blower put, when air pressure is low when, the roots blower of Frequency Converter Control strengthens frequency run, works as gas
Pressure reaches the upper limit, and the roots blower of Frequency Converter Control reduces frequency run, is always ensured that roots blower perseverance turns
Square operates；Ensure that gas tank pressure is constant voltage, simple in construction, there is the strongest practicality.
Below with reference to accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is made furtherly
Bright, to be fully understood from the purpose of the present invention, feature and effect.
Accompanying drawing explanation
Fig. 1 is converter and the pressure transmitter connection diagram of the embodiment of the present invention；
Fig. 2 is converter and the control circuit connection diagram of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be wanted by right
The multitude of different ways limited and cover is asked to implement.
Such as Fig. 1 and combine shown in Fig. 2, a kind of roots blower control system controlling biogas automatic pressurizing device,
Including frequency converter B 1, pressure transmitter N1, for heat radiation cooling fan M2, roots blower M1 and control
Circuit, connects between the first end foot and the second end foot of described frequency converter B 1 and has the first key switch, described
Pressure transmitter N1 it is connected to, the of described frequency converter B 1` between 3rd end foot and the 4th end foot of converter
Five end feet and the 6th end foot connect, and the 7th end foot of described frequency converter B 1 and the 8th end foot connect, described change
Frequently the nine end foot ground connection of device B1, described pressure transmitter N1 is provided with pressure transducer.
Further, control circuit include display lamp LT1, chopper KM, normally closed switch SB1, second by
Key switch SB2, first coil switch K1, the second coil switch K2, tertiary coil switch K3, the 4th line
Circle switch K4, the 3rd switch QS1, the 4th switch QS2, the 5th switch QS3 and fuse FU, described sieve
The earth terminal ground connection of thatch blower fan M1, the U end of described roots blower M1, V end and W end respectively with converter
The U end of B1, V end corresponding with W end connect, the R end of described cooling fan M2, S end and T end respectively with
The R end of frequency converter B 1, S end are corresponding with T end to be connected.
Further, the R end of described frequency converter B 1, S end and T end the most respectively with first coil switch K1,
Second coil switch K2 and tertiary coil switch K3 connects, and described first coil switch K1, the second coil are opened
Close K2 and tertiary coil switch K3 to open with the 3rd corresponding switch QS1, the 4th switch QS2 and the 5th respectively
Close QS3 to connect, between described 4th switch QS2 and the 5th switch QS3, connect display lamp LT1, described finger
Show be connected with normally closed switch SB1 between lamp LT1 two ends in turn, the second key switch SB2, the 4th coil are opened
Close K2 and chopper KM, described second key switch SB2 and the 4th coil switch K4 in parallel.
The invention has the beneficial effects as follows: have employed converter and pressure transducer to control biogas Self-pressurizing agri dress
The roots blower put, when air pressure is low when, the roots blower of Frequency Converter Control strengthens frequency run, works as gas
Pressure reaches the upper limit, and the roots blower of Frequency Converter Control reduces frequency run, is always ensured that roots blower perseverance turns
Square operates；Ensure that gas tank pressure is constant voltage, simple in construction, there is the strongest practicality.
The preferred embodiment of the present invention described in detail above.Should be appreciated that the ordinary skill of this area
Personnel just can make many modifications and variations according to the design of the present invention without creative work.Therefore, all
Technical staff passes through logical analysis the most on the basis of existing technology, pushes away in the art
Reason or the limited available technical scheme of experiment, all should be at the protection model being defined in the patent claims
In enclosing.
Claims (5)
1. the roots blower control system controlling biogas automatic pressurizing device, including converter, pressure transmitter, cooling fan for heat radiation, roots blower and control circuit, it is characterized in that: connecting between the first end foot and the second end foot of described converter has the first key switch, it is connected to pressure transmitter between 3rd end foot and the 4th end foot of described converter, 5th end foot of described converter and the 6th end foot connect, 7th end foot of described converter and the 8th end foot connect, nine end foot ground connection of described converter, described pressure transmitter is provided with pressure transducer.
2. the roots blower control system controlling biogas automatic pressurizing device as claimed in claim 1, it is characterised in that: control circuit includes display lamp, chopper, normally closed switch, the second key switch, first coil switch, the second coil switch, tertiary coil switch, the 4th coil switch, the 3rd switch, the 4th switch, the 5th switch and fuse.
3. the roots blower control system controlling biogas automatic pressurizing device as claimed in claim 1 or 2, it is characterized in that: the earth terminal ground connection of described roots blower, the U end of described roots blower, V end are corresponding with the U end of converter, V end and W end respectively with W end to be connected, and the R end of described cooling fan, S end are corresponding with the R end of converter, S end and T end respectively with T end to be connected.
4. the roots blower control system controlling biogas automatic pressurizing device as claimed in claim 1 or 2, it is characterized in that: the R end of described converter, S end and T end are connected with first coil switch, the second coil switch and tertiary coil switch the most respectively, described first coil switch, the second coil switch and tertiary coil switch connect with the 3rd corresponding switch, the 4th switch and the 5th switch respectively.
5. the roots blower control system controlling biogas automatic pressurizing device as claimed in claim 1 or 2, it is characterized in that: described 4th switch is connected display lamp between the 5th switch, normally closed switch, the second key switch, the 4th coil switch and chopper, described second key switch and the 4th coil switch it is connected with in turn in parallel between described display lamp two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574666.7A CN105971883B (en) | 2016-07-20 | 2016-07-20 | A kind of roots blower control system for controlling biogas automatic pressurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574666.7A CN105971883B (en) | 2016-07-20 | 2016-07-20 | A kind of roots blower control system for controlling biogas automatic pressurizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105971883A true CN105971883A (en) | 2016-09-28 |
| CN105971883B CN105971883B (en) | 2018-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610574666.7A Active CN105971883B (en) | 2016-07-20 | 2016-07-20 | A kind of roots blower control system for controlling biogas automatic pressurizing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105971883B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3803028A1 (en) * | 1988-02-02 | 1989-08-10 | Aerzener Maschf Gmbh | METHOD AND DEVICE FOR COMPRESSING GAS-SHAPED CONVEYOR MEDIUM |
| US20060193724A1 (en) * | 2004-06-09 | 2006-08-31 | Asia Vital Components Co., Ltd. | Fan enabling increased air volume |
| CN2895983Y (en) * | 2006-04-27 | 2007-05-02 | 王会军 | Methane constant-pressure control device |
| CN201746317U (en) * | 2010-05-28 | 2011-02-16 | 江苏和田科技材料有限公司 | Automatic control device of H2 purifying equipment |
| CN203366147U (en) * | 2013-08-16 | 2013-12-25 | 东营市诚达电控设备有限公司 | Constant pressure water supply oil supply device |
| CN203624588U (en) * | 2013-12-07 | 2014-06-04 | 四川省博仁达石油科技有限公司 | Fiber pump control system |
| CN204419655U (en) * | 2014-12-17 | 2015-06-24 | 天津市威匡电气设备有限公司 | A kind of draught fan control circuit |
| CN205977682U (en) * | 2016-07-20 | 2017-02-22 | 广西玉林卓越动力发电设备有限公司 | Automatic pressure device's of control marsh gas roots fan control system |
-
2016
- 2016-07-20 CN CN201610574666.7A patent/CN105971883B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3803028A1 (en) * | 1988-02-02 | 1989-08-10 | Aerzener Maschf Gmbh | METHOD AND DEVICE FOR COMPRESSING GAS-SHAPED CONVEYOR MEDIUM |
| US20060193724A1 (en) * | 2004-06-09 | 2006-08-31 | Asia Vital Components Co., Ltd. | Fan enabling increased air volume |
| CN2895983Y (en) * | 2006-04-27 | 2007-05-02 | 王会军 | Methane constant-pressure control device |
| CN201746317U (en) * | 2010-05-28 | 2011-02-16 | 江苏和田科技材料有限公司 | Automatic control device of H2 purifying equipment |
| CN203366147U (en) * | 2013-08-16 | 2013-12-25 | 东营市诚达电控设备有限公司 | Constant pressure water supply oil supply device |
| CN203624588U (en) * | 2013-12-07 | 2014-06-04 | 四川省博仁达石油科技有限公司 | Fiber pump control system |
| CN204419655U (en) * | 2014-12-17 | 2015-06-24 | 天津市威匡电气设备有限公司 | A kind of draught fan control circuit |
| CN205977682U (en) * | 2016-07-20 | 2017-02-22 | 广西玉林卓越动力发电设备有限公司 | Automatic pressure device's of control marsh gas roots fan control system |
Non-Patent Citations (2)
| Title |
|---|
| 刘慧敏等: ""油田用罗茨风机电气控制系统的改进"", 《油气田地面工程》 * |
| 曾玉章: ""带有专用散热风机的变频电机回路改造"", 《电工技术》 * |
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| Publication number | Publication date |
|---|---|
| CN105971883B (en) | 2018-01-16 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20160928 Assignee: Guangxi Jiuyi Power Technology Co., Ltd. Assignor: Guangxi Yulin Excellent Power Generator Equipment Co., Ltd. Contract record no.: X2019450000014 Denomination of invention: Roots blower control system for controlling methane automatic pressurizing device Granted publication date: 20180116 License type: Common License Record date: 20190828 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Roots blower control system for controlling biogas automatic pressurizing device Effective date of registration: 20211217 Granted publication date: 20180116 Pledgee: China Construction Bank Corporation Yulin Branch Pledgor: GUANGXI YULIN EXCELLENT POWER GENERATOR EQUIPMENT Co.,Ltd. Registration number: Y2021450000055 |