CN207424642U - A kind of control system for air separator of oxygenerator - Google Patents
A kind of control system for air separator of oxygenerator Download PDFInfo
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- CN207424642U CN207424642U CN201721351784.8U CN201721351784U CN207424642U CN 207424642 U CN207424642 U CN 207424642U CN 201721351784 U CN201721351784 U CN 201721351784U CN 207424642 U CN207424642 U CN 207424642U
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- control unit
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- alarm
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Abstract
The utility model provides a kind of control system for air separator of oxygenerator, the control system includes PLC control unit, temperature conditioning unit, gas control unit, filter screen crushing monitoring unit, hydraulic pressure control unit and air-blower control unit monitor the operation information in air separator of oxygenerator and feed back to PLC control unit, PLC control unit, which stores operation information and generates corresponding alarm signal, is transferred to alarm unit, to realize alert detecting；Portion sets sensor in the device, and device internal temperature, pressure etc. are monitored in real time.The control system of the utility model uses PLC automation controls, for the various production and operation failures of supervision and management, it ensure that the safe operation of air separator of oxygenerator, system can send alarm automatically, the operation of air separator of oxygenerator can be automatically closed if necessary, make organic exhaust gas by being promptly vented valve exhaust, avoid dangerous generation in time.
Description
Technical field
The utility model is related to a kind of control systems, specifically, are related to a kind of control for air separator of oxygenerator
System processed.
Background technology
Substantial amounts of toluene class organic exhaust gas can be generated in the production process of electrical material, as toluene or dimethylbenzene (carry
Micro paraffin).Toluene has certain toxicity, and steam has human skin, mucous membrane stimulation, while Central nervous system has
Anesthetic effect, long term can influence hepatic and renal function, and dimethylbenzene has moderate toxicity, and steam removes damage human body mucous membrane, exhales
It inhales outside road, excited, anesthetic effect is also presented, toluene class organic exhaust gas not only can cause to damage to the body of people in a word, be discharged into
It also pollutes the environment in air.It was found from its property, toluene and dimethylbenzene are not soluble in water, are dissolved in a variety of organic solvents, therefore
Industrial generally use chemical absorption method purification absorbs toluene and dimethylbenzene, intelligentized air separator of oxygenerator and to useless
It is detected well during gas disposal particularly significant.
Utility model content
In place of solving above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide one kind to be used for organic waste
The control system and its control method of gas recovering device, the defects of to overcome in the prior art.
To achieve these goals, the utility model provides a kind of control system for air separator of oxygenerator,
The control system includes PLC control unit, temperature conditioning unit, gas control unit, filter screen crushing monitoring unit, hydraulic pressure control list
Member, air-blower control unit and alarm unit；Wherein, temperature conditioning unit, gas control unit, filter screen crushing monitoring unit, hydraulic pressure control
Unit and air-blower control unit monitor the operation information in air separator of oxygenerator and feed back to PLC control unit, PLC controls
Unit, which stores operation information and generates corresponding alarm signal, is transferred to alarm unit, to realize alert detecting；Temperature control
Unit includes the first temperature sensor and second temperature sensor, the temperature and feedback of the first temperature sensor senses activated carbon layer
To PLC control unit, second temperature sensor senses the temperature in heat-exchanger rig and feeds back to PLC control unit；Gas control unit
Several valves and the first differential pressure pickup including controlling air separator of oxygenerator, the first differential pressure pickup sensing organic exhaust gas
The pressure of compressed air and PLC control unit is fed back in retracting device, PLC control unit controls the valve to play on or off
It closes；Filter screen crushing monitoring unit includes being arranged on the second differential pressure pickup at solvent exhaust gas filter screen, the second pressure difference sensing
Solvent exhaust gas pressure changes and feeds back to PLC control unit at device sensing filter screen；Hydraulic pressure control unit include first pressure meter,
Second pressure meter, first pressure meter detect water pressure of cooling water in heat-exchanger rig and feed back to PLC control unit, the inspection of second pressure meter
It surveys steam pressure in desorption apparatus and feeds back to PLC control unit；Air-blower control unit includes negative pressure transmitter and frequency converter, bears
Pressure transmitter is arranged on vacuum blower, and to ensure adsorption tank desorption process operational safety, frequency converter is installed on centrifugal blower,
To carry out frequency modulation speed change according to different discharge amount of exhaust gas, negative pressure transmitter and frequency converter are controlled by PLC control unit.
As the further explanation to control system described in the utility model, it is preferable that when the first temperature sensor is examined
When measuring the temperature of active carbon layer and being increased in risk range, PLC control unit control alarm unit is alarmed and makes activity
Carbon-coating interlocking switches into detachment status；When the first temperature sensor detects that the temperature of active carbon layer is increased to limiting temperature
When, PLC control unit controls spray equipment to sprinkle water to active carbon layer, it is ensured that the temperature of activated carbon will not continue to raise and jeopardize peace
Entirely.
As the further explanation to control system described in the utility model, it is preferable that work as air separator of oxygenerator
During interior compressed air pressure deficiency, PLC control unit closes the valve；It is pressed when in air separator of oxygenerator operational process
The pressure of contracting air is less than 6kg/cm2When, PLC control unit generation alarm signal is transferred to alarm unit 7 and sends alarm.
As the further explanation to control system described in the utility model, it is preferable that when the second differential pressure pickup is examined
When measuring pressure decline at filter screen, PLC control unit generation alarm signal is transferred to alarm unit and sends alarm.
As the further explanation to control system described in the utility model, it is preferable that when first pressure meter detects
In heat-exchanger rig during cooling water system hydraulic pressure deficiency, PLC control unit generation alarm signal is transferred to alarm unit and sends alarm；
When second temperature sensor detects that temperature is increased in risk range in heat-exchanger rig, PLC control unit generates alarm signal
Number being transferred to alarm unit sends alarm.
As the further explanation to control system described in the utility model, it is preferable that when second pressure meter detects
When steam pressure raises in desorption apparatus, PLC control unit controls decompressor to carry out reduced pressure treatment to desorption apparatus, to ensure
Low-pressure steam is used during desorption.
In order to realize the another object of the utility model, the utility model, which additionally provides, a kind of utilizes the control system
Control method, the control method comprises the following steps：
Step 1)：Organic exhaust gas is filtered in heat-exchanger rig and cooling, second temperature sensor are detected in heat-exchanger rig
Temperature simultaneously feeds back to PLC control unit, and first pressure meter detects cooling water system hydraulic pressure in heat-exchanger rig and feeds back to PLC controls
Unit；
Step 2)：Organic exhaust gas is pumped by centrifugal blower to active carbon layer, and PLC control unit is discharged according to different exhaust gas
Amount control frequency converter carries out frequency modulation speed change；
Step 3)：For organic exhaust gas in active carbon layer during adsorption filtration, the first temperature sensor detects the temperature of active carbon layer
It spends and feeds back to PLC control unit；
Step 4)：Organic exhaust gas is pumped by vacuum blower to desorption apparatus, PLC control unit control negative pressure transmitter,
To ensure adsorption tank desorption process operational safety；
Step 5)：Organic exhaust gas is further filtered and recycled in desorption apparatus, in second pressure meter detection desorption apparatus
Steam pressure simultaneously feeds back to PLC control unit.
As the further explanation to control method described in the utility model, it is preferable that PLC control unit is according to second
Temperature sensor, first pressure meter, the first temperature sensor, the feedback of second pressure meter generate corresponding alarm signal and are transferred to
Alarm unit, to realize alert detecting.
As the further explanation to control method described in the utility model, it is preferable that organic exhaust gas is by exchanging heat
When device, active carbon layer and desorption apparatus, the pressure of the first differential pressure pickup sensing compressed air simultaneously feeds back to PLC control lists
Member, to realize automation control.
As the further explanation to control method described in the utility model, it is preferable that organic exhaust gas is by exchanging heat
During device, when pressure declines at the second differential pressure pickup sensing filter screen, PLC control unit generates alarm signal and is transferred to alarm
Unit sends alarm.
The control system of the utility model uses PLC automation controls, the alarm and fortune that device generates in the process of running
Row information stores, and for the various production and operation failures of supervision and management, ensure that the safe operation of air separator of oxygenerator, is
System can send alarm automatically, it may be necessary to the operation of air separator of oxygenerator be automatically closed, pass through organic exhaust gas urgent
Valve exhaust is vented, avoids dangerous generation in time.
Description of the drawings
Fig. 1 is the structure diagram of the control system for air separator of oxygenerator of the utility model；
Fig. 2 is the connection diagram of the temperature conditioning unit of the utility model；
Fig. 3 is the connection diagram of the gas control unit of the utility model；
Fig. 4 is the connection diagram of the filter screen crushing monitoring unit of the utility model；
Fig. 5 is the connection diagram of the hydraulic pressure control unit of the utility model；
Fig. 6 is the connection diagram of the air-blower control unit of the utility model.
Specific embodiment
In order to further appreciate that the structure of the utility model, feature and other purposes, in conjunction with appended preferable implementation
Example is accompanied by attached drawing, and detailed description are as follows, this attached drawing embodiment described is merely to illustrate the technical solution of the utility model, and
Non-limiting the utility model.
As shown in Figure 1, Fig. 1 is the structural representation of the control system for air separator of oxygenerator of the utility model
Figure；The control system includes：PLC control unit 1, temperature conditioning unit 2, gas control unit 3, filter screen crushing monitoring unit 4, hydraulic pressure
Control unit 5, air-blower control unit 6 and alarm unit 7；Wherein, temperature conditioning unit 2, gas control unit 3, the monitoring of filter screen crushing are single
Member 4, hydraulic pressure control unit 5 and air-blower control unit 6 monitor the operation information in air separator of oxygenerator and feed back to PLC
Control unit 1, PLC control unit 1, which stores operation information and generates corresponding alarm signal, is transferred to alarm unit 7,
To realize alert detecting.The utility model PLC uses DVP series Programmable logic Controller (PLC)s, is connected by RS232 mouthfuls and touch-screen COM1
Capable communication is tapped into, realizes human-computer interaction, completes all operations and display function, touch-screen carries out the real time data in PLC
It has been shown that, record, storage, processing, so as to meet various monitoring requirements.
Fig. 2 is refer to, Fig. 2 is the connection diagram of the temperature conditioning unit of the utility model；Temperature conditioning unit 2 includes the first temperature
Sensor 21 and second temperature sensor 22, the temperature of the first temperature sensor 21 sensing activated carbon layer simultaneously feed back to PLC controls
Unit 1, second temperature sensor 22 sense the temperature in heat-exchanger rig and feed back to PLC control unit 1；When the first temperature sensing
When device 21 detects that the temperature of active carbon layer is increased in risk range, PLC control unit 1 controls alarm unit 7 to alarm
And activated carbon layer interlocking is made to switch into detachment status；When the first temperature sensor 21 detects that the temperature of active carbon layer is increased to
During limiting temperature, PLC control unit 1 controls spray equipment to sprinkle water to active carbon layer, it is ensured that the temperature of activated carbon will not continue to rise
High and jeopardize safety, due to activated carbon, in absorption, temperature raises, and temperature declines during desorption, therefore, the activated carbon temperature when absorption
Into before risk range, control system needs automatic alarm and interlocking to switch into detachment status or even if necessary for degree rise
Carry out superhigh temperature fire sprinkler.In order to ensure system heat exchange load, so that can reach recovering effect, super monitoring-temperature alarm is set
Function, when second temperature sensor 22 detects that temperature is increased in risk range in heat-exchanger rig, PLC control unit 1 is produced
Raw alarm signal is transferred to alarm unit 7 and sends alarm.
Fig. 3 is refer to, Fig. 3 is the connection diagram of the gas control unit of the utility model；Gas control unit 3 includes controlling organic
Several valves of waste gas recovering device and the first differential pressure pickup 31, the first differential pressure pickup 31 sensing organic exhaust gas recycling dress
It puts the pressure of interior compressed air and feeds back to PLC control unit 1, PLC control unit 1 controls the valve to open or close；For
Air separator of oxygenerator is enable to realize automation control all valves using pneumatic control, when in air separator of oxygenerator
Compressed air pressure deficiency when, PLC control unit 1 closes the valve；It is pressed when in air separator of oxygenerator operational process
The pressure of contracting air is less than 6kg/cm2When, the generation of PLC control unit 1 alarm signal is transferred to alarm unit 7 and sends alarm.
Fig. 4 is refer to, Fig. 4 is the connection diagram of the filter screen crushing monitoring unit of the utility model；Filter screen crushing
Monitoring unit 4 includes being arranged on the second differential pressure pickup 41 at solvent exhaust gas filter screen, and the second differential pressure pickup 41 sensed
Solvent exhaust gas pressure changes and feeds back to PLC control unit 1 at strainer；It is pressed when the second differential pressure pickup 41 detects at filter screen
When power declines, the generation of PLC control unit 1 alarm signal is transferred to alarm unit 7 and sends alarm.In order to protect centrifugal high pressure fan
Motor safe operation sets solvent exhaust gas filter screen crushing monitoring function.When filter screen causes solvent exhaust gas because blocking or rupturing
When pressure drop changes, system sends alarm automatically, and operating personnel must replace filter screen in time.When centrifugal high pressure fan is because other
When reason causes overload, system sends alarm automatically, if necessary automatic closing system, and solvent exhaust gas is arranged by urgent air bleeding valve
Gas.
Fig. 5 is refer to, Fig. 5 is the connection diagram of the hydraulic pressure control unit of the utility model；Hydraulic pressure control unit 5 includes
First pressure meter 51, second pressure meter 52, first pressure meter 51 detect water pressure of cooling water in heat-exchanger rig and feed back to PLC controls
Unit 1, second pressure meter 52 detect steam pressure in desorption apparatus and feed back to PLC control unit 1；In order to ensure system exchanges heat
Load so that can reach recovering effect, sets the deficiency warning of cooling water system hydraulic pressure, when first pressure meter 51 detects heat exchange
In device during cooling water system hydraulic pressure deficiency, the generation of PLC control unit 1 alarm signal is transferred to alarm unit 7 and sends alarm；It is de-
Using low-pressure steam when attached, in order to ensure system safety operation, pressure gauge and steam pressure-reducing device are installed in steam pipeline, when the
When two pressure gauges 52 detect in desorption apparatus that steam pressure raises, PLC control unit 1 control decompressor to desorption apparatus into
Row reduced pressure treatment, using low-pressure steam during ensuring desorption.
Fig. 6 is refer to, Fig. 6 is the connection diagram of the air-blower control unit of the utility model；Air-blower control unit 6 includes
Negative pressure transmitter 61 and frequency converter 62, negative pressure transmitter 61 are arranged on vacuum blower, to ensure that adsorption tank desorption process is run
Safety, frequency converter 62 are installed on centrifugal blower, to carry out frequency modulation speed change according to different discharge amount of exhaust gas, reach energy saving of system
Effect, negative pressure transmitter 61 and frequency converter 62 are controlled by PLC control unit 1.
The utility model additionally provides a kind of control method using the control system, the control method include with
Lower step：
Step 1)：Organic exhaust gas is filtered in heat-exchanger rig and cooling, second temperature sensor 22 detect heat-exchanger rig
Interior temperature simultaneously feeds back to PLC control unit 1, and first pressure meter 51 detects cooling water system hydraulic pressure in heat-exchanger rig and feeds back to
PLC control unit 1；In addition, organic exhaust gas, when by heat-exchanger rig, the second differential pressure pickup 41 is sensed at filter screen under pressure
During drop, the generation of PLC control unit 1 alarm signal is transferred to alarm unit 7 and sends alarm.
Step 2)：Organic exhaust gas is pumped by centrifugal blower to active carbon layer, and PLC control unit 1 is arranged according to different exhaust gas
High-volume frequency converter 62 is controlled to carry out frequency modulation speed change；
Step 3)：For organic exhaust gas in active carbon layer during adsorption filtration, the first temperature sensor 21 detects active carbon layer
Temperature simultaneously feeds back to PLC control unit 1；
Step 4)：Organic exhaust gas is pumped by vacuum blower to desorption apparatus, and PLC control unit 1 controls negative pressure transmitter
61, to ensure adsorption tank desorption process operational safety；
Step 5)：Organic exhaust gas is further filtered and recycled in desorption apparatus, and second pressure meter 52 detects desorption apparatus
Interior steam pressure simultaneously feeds back to PLC control unit 1.
Preferably, PLC control unit 1 is according to second temperature sensor 22, first pressure meter 51, the first temperature sensor
21st, the feedback of second pressure meter 52 generates corresponding alarm signal and is transferred to alarm unit 7, to realize alert detecting.Organic waste
For gas when by heat-exchanger rig, active carbon layer and desorption apparatus, the pressure of the first differential pressure pickup 31 sensing compressed air is simultaneously anti-
PLC control unit of feeding 1, to realize automation control.
It is to be understood that above-mentioned utility model content and specific embodiment are intended to prove that the utility model provides skill
The practical application of art scheme should not be construed as the restriction to scope of protection of the utility model.Those skilled in the art are in this practicality
In new spirit and principle, when can various modifications may be made, equivalent substitution or improvement.The scope of protection of the utility model is with appended power
Subject to sharp claim.
Claims (6)
1. a kind of control system for air separator of oxygenerator, which is characterized in that the control system includes：PLC is controlled
Unit (1), temperature conditioning unit (2), gas control unit (3), filter screen crushing monitoring unit (4), hydraulic pressure control unit (5), wind turbine control
Unit (6) processed and alarm unit (7)；Wherein,
Temperature conditioning unit (2), gas control unit (3), filter screen crushing monitoring unit (4), hydraulic pressure control unit (5) and air-blower control list
First (6) monitor the operation information in air separator of oxygenerator and feed back to PLC control unit (1), and PLC control unit (1) is right
Operation information, which is stored and generates corresponding alarm signal, is transferred to alarm unit (7), to realize alert detecting；
Temperature conditioning unit (2) includes the first temperature sensor (21) and second temperature sensor (22), the first temperature sensor (21)
Sense the temperature of activated carbon layer and feed back to PLC control unit (1), the temperature in second temperature sensor (22) sensing heat-exchanger rig
It spends and feeds back to PLC control unit (1)；
Gas control unit (3) includes control several valves of air separator of oxygenerator and the first differential pressure pickup (31), the first pressure
Gap sensor (31) senses the pressure of compressed air in air separator of oxygenerator and feeds back to PLC control unit (1), PLC controls
Unit (1) processed controls the valve to open or close；
Filter screen crushing monitoring unit (4) includes being arranged on the second differential pressure pickup (41) at solvent exhaust gas filter screen, and second
Solvent exhaust gas pressure changes and feeds back to PLC control unit (1) at differential pressure pickup (41) sensing filter screen；
Hydraulic pressure control unit (5) includes first pressure meter (51), second pressure meter (52), first pressure meter (51) detection heat exchange
Water pressure of cooling water and PLC control unit (1) is fed back in device, steam pressure is simultaneously in second pressure meter (52) detection desorption apparatus
Feed back to PLC control unit (1)；
Air-blower control unit (6) includes negative pressure transmitter (61) and frequency converter (62), and negative pressure transmitter (61) is arranged on vacuum wind
On machine, to ensure adsorption tank desorption process operational safety, frequency converter (62) is installed on centrifugal blower, to be arranged according to different exhaust gas
Frequency modulation speed change is high-volume carried out, negative pressure transmitter (61) and frequency converter (62) are controlled by PLC control unit (1).
2. control system as described in claim 1, which is characterized in that when the first temperature sensor (21) detects active carbon layer
Temperature when being increased in risk range, PLC control unit (1) control alarm unit (7) is alarmed and joins activated carbon layer
Lock switches into detachment status；When the first temperature sensor (21) detects that the temperature of active carbon layer is increased to limiting temperature,
PLC control unit (1) controls spray equipment to sprinkle water to active carbon layer, it is ensured that the temperature of activated carbon will not continue to raise and jeopardize peace
Entirely.
3. control system as described in claim 1, which is characterized in that when the compressed air pressure in air separator of oxygenerator
When insufficient, PLC control unit (1) closes the valve；When the pressure of compressed air in air separator of oxygenerator operational process
Less than 6kg/cm2When, PLC control unit (1) generation alarm signal is transferred to alarm unit (7) and sends alarm.
4. control system as described in claim 1, which is characterized in that when the second differential pressure pickup (41) is detected at filter screen
When pressure declines, PLC control unit (1) generation alarm signal is transferred to alarm unit (7) and sends alarm.
5. control system as described in claim 1, which is characterized in that when first pressure meter (51) is detected in heat-exchanger rig
During cooling water system hydraulic pressure deficiency, PLC control unit (1) generation alarm signal is transferred to alarm unit (7) and sends alarm；When
When two temperature sensors (22) detect that temperature is increased in risk range in heat-exchanger rig, PLC control unit (1) generates alarm
Signal transmission sends alarm to alarm unit (7).
6. control system as claimed in claim 5, which is characterized in that steamed when second pressure meter (52) is detected in desorption apparatus
When steam pressure raises, PLC control unit (1) controls decompressor to carry out reduced pressure treatment to desorption apparatus, to be adopted when ensuring desorption
Use low-pressure steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351784.8U CN207424642U (en) | 2017-10-19 | 2017-10-19 | A kind of control system for air separator of oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351784.8U CN207424642U (en) | 2017-10-19 | 2017-10-19 | A kind of control system for air separator of oxygenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424642U true CN207424642U (en) | 2018-05-29 |
Family
ID=62311890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721351784.8U Expired - Fee Related CN207424642U (en) | 2017-10-19 | 2017-10-19 | A kind of control system for air separator of oxygenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703869A (en) * | 2017-10-19 | 2018-02-16 | 泉州市天龙环境工程有限公司 | A kind of control system and its control method for air separator of oxygenerator |
-
2017
- 2017-10-19 CN CN201721351784.8U patent/CN207424642U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703869A (en) * | 2017-10-19 | 2018-02-16 | 泉州市天龙环境工程有限公司 | A kind of control system and its control method for air separator of oxygenerator |
| CN107703869B (en) * | 2017-10-19 | 2023-12-15 | 泉州市天龙环境工程有限公司 | Control system for organic waste gas recovery device and control method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20211019 |