CN217558489U - Structure for controlling starting and stopping of air compressor - Google Patents

Structure for controlling starting and stopping of air compressor Download PDF

Info

Publication number
CN217558489U
CN217558489U CN202122956357.5U CN202122956357U CN217558489U CN 217558489 U CN217558489 U CN 217558489U CN 202122956357 U CN202122956357 U CN 202122956357U CN 217558489 U CN217558489 U CN 217558489U
Authority
CN
China
Prior art keywords
air
air compressor
storage tank
pressure sensor
outlet
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.)
Active
Application number
CN202122956357.5U
Other languages
Chinese (zh)
Inventor
黄新
许立群
任浩
牟云
罗文�
叶茂
胡振发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Wuhan Power Generation Co Ltd
Original Assignee
Huaneng Wuhan Power Generation Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaneng Wuhan Power Generation Co Ltd filed Critical Huaneng Wuhan Power Generation Co Ltd
Priority to CN202122956357.5U priority Critical patent/CN217558489U/en
Application granted granted Critical
Publication of CN217558489U publication Critical patent/CN217558489U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Control Of Positive-Displacement Pumps (AREA)

Abstract

The utility model provides a structure that control air compressor machine opened and stops, a serial communication port, include: a gas storage tank; the air compressor is communicated with the air storage tank and used for compressing air and outputting the compressed air to the air storage tank for storage; the pressure sensor is arranged on the main pipe communicated with the outlet of the gas storage tank and used for detecting pressure information in the main pipe communicated with the outlet; and the DCS is respectively electrically connected with the air compressor and the pressure sensor and is used for controlling the start and stop of the air compressor. Set up pressure sensor through the female pipe of export UNICOM at the gas holder to detect the female intraductal pressure information of export UNICOM, the DCS system is connected with the pressure sensor electricity in order to receive pressure information, open the number of stations through the pressure information control air compressor machine of DCS system according to the female pipe of export UNICOM, reduce no-load air compressor machine operation number of stations, reduce the air compressor machine power consumption, reduce the station service power rate of air compressor machine, improve the air compressor machine operation economic nature, not only save the running cost, still greatly reduced the consumption of the energy.

Description

Structure for controlling starting and stopping of air compressor
Technical Field
The utility model relates to an air compressor machine control technical field particularly, relates to a structure that control air compressor machine opened and stops.
Background
At present, compressed air for instruments is a power source of a precise pneumatic control element of a power plant, the system pressure is normally set to be 0.6-0.7MPa, when the pressure is too low, the pneumatic element cannot act or loses power and is out of control, and when the pressure is maintained to be 0.7MPa, the number of running air compressors is too large, so that the power consumption of the air compressors is increased, and the economical efficiency is poor.
However, in order to ensure that the system pressure is 0.6-0.7MPa, a plurality of air compressors can be operated, only part of the air compressors are in loading operation, and the other part of the air compressors are in no-load operation.
Since the current is 28A in normal operation of the air compressor, the current is 18A in no-load operation. The idle-load air compressors are too many, which inevitably causes the increase of the power consumption of the air compressors and the increase of the service power.
Disclosure of Invention
In view of this, the utility model provides a structure that control air compressor machine opened and stops aims at solving no-load air compressor machine too much, causes the problem of air compressor machine power consumption increase.
In one aspect, the utility model provides a structure that control air compressor machine opened and stops, include:
a gas storage tank;
the air compressor is communicated with the air storage tank and used for compressing air and outputting the compressed air to the air storage tank for storage;
the pressure sensor is arranged on an outlet communication main pipe of the gas storage tank and used for detecting pressure information in the outlet communication main pipe;
and the DCS is respectively electrically connected with the air compressor and the pressure sensor and is used for controlling the start and stop of the air compressor.
Further, the structure that control air compressor machine stopped, still include:
the drying unit is arranged between the air storage tank and the air compressor, the air compressor is communicated with the air storage tank through the drying unit, and the drying unit is used for drying the compressed air output by the air compressor and outputting the dried compressed air to the inside of the air storage tank.
Furthermore, the air storage tanks are provided with a plurality of air storage tanks, and the plurality of air storage tanks are connected in parallel on the outlet communicated main pipe.
Furthermore, the air compressors are provided with a plurality of air compressors which are connected in parallel on the air compressor outlet communicating pipe.
Furthermore, the drying units are provided with a plurality of inlet ends which are respectively communicated with the air compressor outlet communicating pipe.
Furthermore, the outlet ends of the plurality of drying units are respectively communicated with a compressed air communicating pipe, and the inlet ends of the plurality of air storage tanks are respectively communicated with the compressed air communicating pipe.
Further, the drying unit comprises a first dryer and a second dryer, wherein the first dryer and the second dryer are used for respectively drying the compressed air and regenerating the drying agent.
Furthermore, the pressure sensors are at least three and are connected in parallel to the outlet communication main pipe.
Compared with the prior art, the beneficial effects of the utility model reside in that, through set up pressure sensor on the female pipe of export UNICOM at the gas holder, with the detection pressure information in the female pipe of export UNICOM, the DCS system is connected with the pressure sensor electricity with receiving pressure information, open the number of stops of the pressure information control air compressor machine of the female pipe of export UNICOM through the DCS system, reduce no-load air compressor machine operation number of stations, reduce the air compressor machine power consumption, reduce the station-service power consumption of air compressor machine, improve air compressor machine operation economy, not only save the running cost, still greatly reduced the consumption of the energy.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a structure for controlling the start and stop of an air compressor provided in an embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides an air compressor machine opens and stops logic diagram.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, the embodiment provides a structure for controlling starting and stopping of an air compressor, which includes an air storage tank 14, the air compressor 1, a pressure sensor and a DCS system 21, wherein the air storage tank 14 is used for storing compressed air, and delivering the stored compressed air to a preset position through an outlet communicating main pipe 16.
Specifically, a plurality of air storage tanks 14 are arranged, and the air storage tanks 14 are connected in parallel on an outlet communicating main pipe 16. A sufficient supply of compressed air is ensured by providing several air tanks 14 for the storage of compressed air.
Specifically, the number of the air tanks 14 may be set according to actual requirements, and here, three air tanks 14 are taken as an example for description. The outlet ends of the three air storage tanks 14 are respectively communicated with the outlet communicated main pipe 16 through communicating pipes, air storage tank outlet stop valves 15 are arranged at the outlet ends of the air storage tanks 14 through the communicating pipes, and whether the air storage tanks 14 output compressed air or not is controlled through the air storage tank outlet stop valves 15.
Specifically, the compressed air in the outlet communicating main pipe 16 is conveyed to the compressed air main pipe for the unit instrument, and then the compressed air is conveyed to each air-using device through the compressed air main pipe for the unit instrument.
Specifically, the air compressor 1 is communicated with the air tank 14, and the air compressor 1 is used for compressing air and outputting the compressed air into the air tank 14 for storage.
Specifically, air compressor machine 1 sets up a plurality of, and a plurality of air compressor machine 1 connects in parallel on air compressor machine export closed pipe 3, and is concrete, and air compressor machine 1 is linked together through connecting tube 20 and air compressor machine export closed pipe 3 to be provided with closed pipe stop valve 2 on connecting tube 20, with the compressed air output in the control air compressor machine 1, and carry the compressed air of output in each air compressor machine 1 through air compressor machine export closed pipe 3.
Specifically, the pressure sensor is disposed on the outlet communication mother pipe 16, and pressure information in the outlet communication mother pipe is detected by the pressure sensor.
Specifically, the number of the pressure sensors can be set according to actual conditions, preferably, the number of the pressure sensors is at least three, namely, the first pressure sensor 17, the second pressure sensor 18 and the third pressure sensor 19, and the first pressure sensor 17, the second pressure sensor 18 and the third pressure sensor 19 are connected in parallel to the outlet communication main pipe 16.
Particularly, the DCS system is respectively electrically connected with each air compressor 1 and the pressure sensor, and the DCS system is used for controlling the starting and stopping of the air compressors 1.
Specifically, the air compressor 1 is provided with an automatic start-stop switch, and the automatic start-stop switch is automatically controlled through the DCS system, so that the start and stop of the air compressor 1 can be controlled through the DCS system.
Referring to fig. 2, when the DCS system controls the start and stop of each air compressor 1, the DCS system may perform an operation of obtaining an intermediate value according to the pressure information collected by the three pressure sensors, that is, according to the pressure information collected by the first pressure sensor 17, the second pressure sensor 18, and the third pressure sensor 19, and determine the start and stop of the air compressor 1 according to the determined intermediate value.
Specifically, when the intermediate value is taken, the intermediate value of the three pressure values is selected from the pressure values collected by the first pressure sensor 17, the second pressure sensor 18, and the third pressure sensor 19.
Continuing to refer to fig. 1, specifically, the structure for controlling the start and stop of the air compressor further includes a drying unit, the drying unit is disposed between the air storage tank 14 and the air compressor 1, the air compressor 1 is communicated with the air storage tank 14 through the drying unit, and the drying unit is configured to dry the compressed air output by the air compressor 1 and output the dried compressed air into the air storage tank 14.
Specifically, the drying unit sets up a plurality of, a plurality of the inlet end of drying unit respectively with air compressor machine export closed pipe 3 is linked together. The outlet ends of the drying units are respectively communicated with a compressed air communicating pipe 11, and the inlet ends of the air storage tanks 14 are respectively communicated with the compressed air communicating pipe 11.
Specifically, the air outlet end of each drying unit is connected in parallel to the compressed air communicating pipe 11, and the air inlet end of each air storage tank 14 is connected in parallel to the compressed air communicating pipe 11, so that the compressed air output by the air compressor 1 is dried by the drying units and then is conveyed into the air storage tanks 14 for storage.
Specifically, the drying unit includes a first dryer and a second dryer for performing a drying process on the compressed air and a regeneration process on the desiccant, respectively.
Specifically, the first dryer is the dryer a tower 4, the second dryer is the dryer B tower 5, the dryer a tower outlet door 6 of the dryer a tower 4 is communicated with the compressed air communication pipe 11, and the dryer B tower outlet door 7 of the dryer B tower 5 is communicated with the compressed air communication pipe 11. The dryer A tower inlet door 8 of the dryer A tower 4 is communicated with the air compressor outlet communicating pipe 3 through an inlet pipe 10, and the dryer B tower inlet door 9 of the dryer B tower 5 is communicated with the air compressor outlet communicating pipe 3 through an inlet pipe 10.
Specifically, the air tank 14 is communicated with the compressed air communicating pipe 11 through an air tank inlet pipe 12, and an air tank inlet stop valve 13 is arranged on the air tank inlet pipe 12.
Specifically, the dryer a tower 4 and the dryer B tower 5 are used to perform drying processes of compressed air, respectively. When the dryer A tower 4 carries out drying treatment of compressed air, the dryer B tower 5 carries out regeneration treatment on the drying agent in the dryer B tower 5; in contrast, when the dryer B tower 5 performs the drying process of the compressed air, the dryer a tower 4 performs the regeneration process of the drying agent in the dryer a tower 4.
Specifically, the above embodiment can intelligently start and stop the number of the air compressors according to the pressure of the outlet communicated main pipe 16, so that the number of the no-load air compressors in operation is reduced, the power consumption of the air compressors is reduced, and the plant power consumption of the air compressors is reduced.
In specific implementation, 3 pressure sensors, namely a first pressure sensor 17, a second pressure sensor 18 and a third pressure sensor 19, are additionally arranged on a main pipe 16 communicating outlets of the air compressor 1 and the air storage tank 14, the first pressure sensor 17, the second pressure sensor 18 and the third pressure sensor 19 are connected to a DCS system 21 to perform a third-centering operation, wherein in the embodiment, after the third-centering operation is performed to obtain pressure values of the 3 pressure sensors, an average value of the obtained three pressure values is calculated, and the calculated average value is used as an evaluation value for seeding; an automatic start-stop switch is additionally arranged on each air compressor 1 and connected to a DCS (distributed control system) 21; assuming that the system pressure is set to be 0.6-0.7MPa, and setting the pressure to be less than or equal to 0.6MPa as the condition for starting the air compressor; setting the pressure to be more than or equal to 0.7MPa as the condition for stopping the air compressor; when the pressure sensor monitors the pressure condition, starting and stopping the air compressor through the DCS; the operation mode of the air compressor can be that a main machine, an auxiliary machine and a standby machine are independently arranged on a DCS; a continuous control mode: setting the air compressor as a first main machine, a second main machine, an auxiliary machine, a first standby machine and a second standby machine according to the sequence of operation; shutdown mode sequence: the second spare machine, the first spare machine and the auxiliary machine.
Above-mentioned embodiment opens according to female pipe pressure intelligence and stops the air compressor machine number, reduces no-load air compressor machine operation number, reduces the air compressor machine power consumption, improves air compressor machine operation economic nature.
Specifically, the work flow of the above embodiment is as follows:
air compressor machine is with air compression to have certain kinetic energy and the compressed gas of pressure energy, through air compressor machine outlet duct, export door to air compressor machine export closed tube, send compressed air to the desicator by closed tube, is painted 5 air compressors in the picture drawing, according to equipment periodic switching system, carries out periodic switching.
The dryer consists of a A, B tower, a drying agent and a heater are arranged in the tower, one tower works (compressed air is dried in the tower, and moisture carried by the compressed air is absorbed by the drying agent), the other tower regenerates (the drying agent in the tower is dried and then is discharged out of the tower), the two towers are switched periodically, the compressed air sent from the air compressor outlet communicating pipe is dried, and the moisture in the compressed air is removed;
the compressed air is dried and then sent to the dryer, and then the compressed air is discharged from the compressed air communicating pipe, enters the air storage tank through the air inlet pipe of the air storage tank and the valve, enters the compressed air main pipe through the outlet pipe of the air storage tank and the valve, and is sent to each pneumatic element of the unit.
The air compressor is characterized in that an air inlet valve of the air compressor is opened in a loading state, sucked air is compressed through meshing of a male rotor and a female rotor, the current is 28A when the air compressor normally operates, the air inlet valve of the air compressor is closed when the air compressor is in idle state, a main machine of the air compressor still operates but does not work, the idle current is 18A, and no current exists when the air compressor stops operating.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The utility model provides a structure that control air compressor machine stopped, its characterized in that includes:
a gas storage tank;
the air compressor is communicated with the air storage tank and used for compressing air and outputting the compressed air to the air storage tank for storage;
the pressure sensor is arranged on an outlet communicating main pipe of the gas storage tank and used for detecting pressure information in the outlet communicating main pipe;
and the DCS is respectively electrically connected with the air compressor and the pressure sensor and is used for controlling the start and stop of the air compressor.
2. The structure for controlling starting and stopping of the air compressor according to claim 1, further comprising:
the drying unit is arranged between the air storage tank and the air compressor, the air compressor is communicated with the air storage tank through the drying unit, and the drying unit is used for drying the compressed air output by the air compressor and outputting the dried compressed air to the inside of the air storage tank.
3. The structure for controlling the start and stop of the air compressor according to claim 2, wherein a plurality of air storage tanks are arranged and are connected in parallel to the outlet communication main pipe.
4. The structure for controlling the start and stop of the air compressor according to claim 3, wherein a plurality of air compressors are arranged, and the plurality of air compressors are connected to the air compressor outlet communicating pipe in parallel.
5. The structure for controlling on and off of the air compressor according to claim 4, wherein a plurality of drying units are provided, and inlet ends of the plurality of drying units are respectively communicated with the air compressor outlet communicating pipe.
6. The structure for controlling the start and stop of the air compressor according to claim 5, wherein the outlet ends of the plurality of drying units are respectively communicated with a compressed air communicating pipe, and the inlet ends of the plurality of air storage tanks are respectively communicated with the compressed air communicating pipe.
7. The structure for controlling the start and stop of the air compressor according to claim 5, wherein the drying unit comprises a first dryer and a second dryer, and the first dryer and the second dryer are used for respectively drying the compressed air and regenerating the drying agent.
8. The structure for controlling the start and stop of the air compressor according to claim 5, wherein at least three pressure sensors are arranged and are connected in parallel to the outlet communication main pipe.
CN202122956357.5U 2021-11-25 2021-11-25 Structure for controlling starting and stopping of air compressor Active CN217558489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122956357.5U CN217558489U (en) 2021-11-25 2021-11-25 Structure for controlling starting and stopping of air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122956357.5U CN217558489U (en) 2021-11-25 2021-11-25 Structure for controlling starting and stopping of air compressor

Publications (1)

Publication Number Publication Date
CN217558489U true CN217558489U (en) 2022-10-11

Family

ID=83467033

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122956357.5U Active CN217558489U (en) 2021-11-25 2021-11-25 Structure for controlling starting and stopping of air compressor

Country Status (1)

Country Link
CN (1) CN217558489U (en)

Similar Documents

Publication Publication Date Title
CN204641418U (en) A kind of auxiliary lift device for collector bow
CN217558489U (en) Structure for controlling starting and stopping of air compressor
CN114251601A (en) High-pressure large-flow oil-free compressed air supply system suitable for real-time air supply
CN201916154U (en) Novel air compression station system
CN109364704B (en) Compressed air supply system based on steam heating regeneration
CN216924019U (en) Air supply guarantee device and compressed air system for glass substrate production
CN215409117U (en) Intelligent hydraulic hydrogen compressor
CN206290974U (en) A kind of many gas source type binary channels air compressors
CN211971030U (en) Low-pressure energy-saving ash conveying system
CN207145966U (en) A kind of source of the gas drive system of hydrogenation plant
CN209083521U (en) Energy-saving air compressor group
CN113292124A (en) Ash conveying device and method based on spray drying tower wastewater evaporation treatment technology
CN113279948A (en) Centralized control system and control method for air compressor
CN213843863U (en) Energy-saving device of air compressor system
CN211176311U (en) Instrument wind system
CN220707049U (en) Flow control system with energy-saving compressed air
CN111332802A (en) Powder feeding system and using method thereof
CN216825578U (en) Compressed air drying system capable of realizing automatic switching
CN213205911U (en) Energy-saving automatic control system of air compressor
CN217025403U (en) Ash conveying device based on spray drying tower waste water evaporation treatment technology
CN216202537U (en) Air compression system
CN214366596U (en) Compressed gas supply device for float glass production line
CN216868192U (en) High-pressure large-flow oil-free compressed air supply system suitable for real-time air supply
CN220851762U (en) Oxygen filling system and oxygen filling and exchanging cabinet
CN219264641U (en) Air compressor gas recovery control system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant