CN109707609A - Air compressor energy saving control system in hydrogen peroxide production process - Google Patents
Air compressor energy saving control system in hydrogen peroxide production process Download PDFInfo
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- CN109707609A CN109707609A CN201811504029.8A CN201811504029A CN109707609A CN 109707609 A CN109707609 A CN 109707609A CN 201811504029 A CN201811504029 A CN 201811504029A CN 109707609 A CN109707609 A CN 109707609A
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- hydrogen peroxide
- peroxide production
- breaker
- air compressor
- dcs system
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Abstract
The present invention discloses air compressor energy saving control system in hydrogen peroxide production process, including Hydrogen Peroxide Production DCS system, frequency converter, input switching cabinet, output switching cabinet and HMI；Hydrogen Peroxide Production DCS system is connected with the control port of frequency converter, and HMI is connected with Hydrogen Peroxide Production DCS system；The entrance of air compressor machine is equipped with flowmeter, outlet is equipped with pressure transmitter, and flowmeter and pressure transmitter are respectively connected to Hydrogen Peroxide Production DCS system；Hydrogen Peroxide Production DCS system is also connected with the anti-asthma valve in hydrogen peroxide production process；Intelligent control is carried out to air compressor machine using frequency converter, makes air compressor machine according to load operation under frequency conversion state, energy consumption can be greatly reduced；It is controlled in addition, carrying out accurate adjust for the disturbance of anti-surge, reduces production safety hidden danger.
Description
Technical field
The present invention relates to chemical production technical fields, air compressor machine Energy Saving Control specifically in hydrogen peroxide production process
System.
Background technique
Hydrogen peroxide (scientific name hydrogen peroxide, H2O2) it is mainly used for textile, knitwear, paper pulp, grass, rattan, bamboo and wood product
Bleaching；The three wastes (especially waste water) processing；Organic and Polymer Synthesizing (be used as oxidant, catalyst, initiator, epoxidizing agent,
Crosslinking agent etc.)；(such as peracetic acid, methyl ethyl ketone peroxide, SODIUM PERCARBONATE, crosses boron at benzoyl peroxide to organic and inorganic peroxide
Sour sodium, calper calcium peroxide, thiourea peroxide, caprolactam, propylene oxide etc.)；The purification of electroplate liquid；For disappearing in food industry
It is poison, anti-corrosion, fresh-keeping；It is used as surface treating agent in electronics industry；For sterilizing in medical treatment, pharmaceuticals industry；High-strength hydrogen peroxide
It can be used for propellant；Other such as building material industries are used as foaming agent；Water treatment field for sterilize, algae removal；Cosmetic industry
In be used as bleaching hair agent and hair dye.
The industrial process of hydrogen peroxide mainly has electrolysis method, anthraquinone, isopropanol method, cathode anode reduction method and hydrogen-oxygen
The direct synthesis etc..Anthraquinone is to produce the most important method of hydrogen peroxide both at home and abroad at present.Before the 1990s, domestic dioxygen
Water manufacturing enterprise mostly uses greatly electrolysis method, and method current efficiency is high, process flow is short, product quality is high for this, but since power consumption is larger,
High production cost is not suitable for large-scale industrial production, is gradually eliminated.In addition, domestic also use oxygen anodes also in research
Former method produces hydrogen peroxide, which has the characteristics that at low cost, small investment, pollution are small using water and air as raw material, but at present
Industrialized production is still not implemented in the method.The dioxygen aquatic products in China have technical grade, SILVER REAGENT, food-grade, pharmaceutical grade and electron level
Etc. several, concentration ω (H2O2) there are the plurality of specifications such as 27.5%, 30%, 35%, 50%, 70%.
Air compressor machine is the important equipment in hydrogen peroxide production process, is at present directly to open for the control of air compressor machine
Dynamic control, energy consumption is higher, and revolving speed is not easily controlled, and system overload causes anti-surge valve directly to open emptying, influences system
Safety.
Summary of the invention
The purpose of the present invention is to provide air compressor energy saving control system in hydrogen peroxide production process, the control systems
System can start and stop to air compressor machine and operation realize automated intelligent control, and optimize anti-surge disturbance, improve system safety, drop
Low energy consumption.
The technical solution adopted by the present invention to solve the technical problems is:
Air compressor energy saving control system in hydrogen peroxide production process, including it is Hydrogen Peroxide Production DCS system, frequency converter, defeated
Enter to switch cabinet, output switching cabinet and HMI, inputting includes the first breaker and the second breaker in switching cabinet, and output switches in cabinet
Include third breaker and the 4th breaker；The input terminal of first breaker and the second breaker is all connected with incoming power, and first
The input terminal of the output end connection frequency converter of breaker, the input terminal of the output end connection third breaker of frequency converter, second is disconnected
The output end of the input terminal of output end the 4th breaker of connection of road device, third breaker and the 4th breaker is all connected with air compressor machine
Motor；Hydrogen Peroxide Production DCS system is connected with the control port of frequency converter, and HMI is connected with Hydrogen Peroxide Production DCS system；Pneumatics
The entrance of machine is equipped with flowmeter, outlet is equipped with pressure transmitter, and flowmeter and pressure transmitter are respectively connected to Hydrogen Peroxide Production
DCS system；Hydrogen Peroxide Production DCS system is also connected with the anti-asthma valve in hydrogen peroxide production process；
The HMI is equipped with " Starting mode Selection Floater ", and " variable mode " and " power frequency are arranged on " Starting mode Selection Floater "
Mode "；When selection " power frequency mode ", air compressor machine starts operation in a manner of power frequency；When selection " variable mode ", air compressor machine with
Conversion system starting operation；
The HMI be equipped with anti-surge curve controlled figure, anti-surge curve controlled figure drafting have surge curve, step burst at the seams fastly with
Anti-surge line；
" manual mode ", " semiautomatic-mode " and " fully automatic mode " of anti-asthma valve are additionally provided on HMI；
When selecting " manual mode ", Hydrogen Peroxide Production DCS presets opening value according to HMI and opens anti-asthma valve, when workload point arrives
When bursting at the seams fastly up to step, then fully open anti-asthma valve according to setting speed；
When selecting " semiautomatic-mode ", when workload point does not reach anti-surge line, then opening for anti-asthma valve can be manually adjusted
Degree；When workload point crosses anti-surge line, then then according to HMI pre-set velocity open anti-asthma valve, make workload point from
Open anti-surge line；
When selecting " automatic mode ", when workload point does not reach anti-surge line, anti-asthma valve is closed according to pre-set velocity；Work as work
When crossing anti-surge line as load point, then then opening anti-asthma valve according to HMI pre-set velocity, workload point is made to leave anti-surge
Line.
The invention has the advantages that carrying out intelligent control to air compressor machine using frequency converter, make air compressor machine according to load work
Make under frequency conversion state, energy consumption can be greatly reduced；It controls, reduces in addition, carrying out accurate adjust for the disturbance of anti-surge
Production safety hidden danger.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the principle of the present invention schematic diagram.
Fig. 2 is HMI anti-surge curve controlled figure of the present invention；
Fig. 3 is HMI anti-surge mode switching operation figure of the present invention.
Specific embodiment
As shown in Figure 1, the present invention provides air compressor energy saving control system in hydrogen peroxide production process, including dioxygen
Aquatic production DCS system 1, frequency converter 2, input switching cabinet 3, output switching cabinet 4 and HMI5, input disconnected comprising first in switching cabinet 3
Road device QS1 and the second circuit breaker Q S2, interior output switching cabinet 4 includes third circuit breaker Q S3 and the 4th circuit breaker Q S4；First open circuit
The input terminal of device QS1 and the second circuit breaker Q S2 are all connected with incoming power, the output end connection frequency converter 2 of the first circuit breaker Q S1
Input terminal, the input terminal of the output end connection third circuit breaker Q S3 of frequency converter 2, the output end connection the 4th of the second circuit breaker Q S2
The output end of the input terminal of circuit breaker Q S4, third circuit breaker Q S3 and the 4th circuit breaker Q S4 are all connected with air compressor motor M；Dioxygen
Aquatic production DCS system 1 is connected with the control port of frequency converter 2, and HMI5 is connected with Hydrogen Peroxide Production DCS system 1；Air compressor machine 6
Entrance is equipped with flowmeter Q, outlet is equipped with pressure transmitter P, flowmeter Q and pressure transmitter P and is respectively connected to Hydrogen Peroxide Production
DCS system 1；Hydrogen Peroxide Production DCS system 1 is also connected with the anti-asthma valve 7 in hydrogen peroxide production process.
The HMI be equipped with " Starting mode Selection Floater ", on " Starting mode Selection Floater " be arranged " variable mode " with
" power frequency mode "；When selection " power frequency mode ", it is closed the second circuit breaker Q S2 and the 4th circuit breaker Q S4, disconnects the first breaker
QS1 and third circuit breaker Q S3, air compressor machine start operation in a manner of power frequency；When selection " variable mode ", the second breaker is disconnected
QS2 and the 4th circuit breaker Q S4, the first circuit breaker Q S1 of closure and third circuit breaker Q S3, air compressor machine is started with conversion system to be run.
In conjunction with shown in Fig. 2 and Fig. 3, the HMI5 is equipped with anti-surge curve controlled figure, and anti-surge curve controlled figure is double
The aquatic DCS system 1 that produces of oxygen includes surge according to the flowmeter Q and pressure transmitter P flow fed back in production and pressure drafting
Curve, step burst at the seams fastly and anti-surge line.
" manual mode ", " semiautomatic-mode " and " fully automatic mode " of anti-asthma valve are additionally provided on HMI；
When selecting " manual mode ", Hydrogen Peroxide Production DCS1 presets opening value according to HMI and opens anti-asthma valve 7, when workload point
When arrival step bursts at the seams fastly, then fully open anti-asthma valve 7 according to setting speed；
When selecting " semiautomatic-mode ", when workload point does not reach anti-surge line, then opening for anti-asthma valve 7 can be manually adjusted
Degree；When workload point crosses anti-surge line, then then according to HMI pre-set velocity open anti-asthma valve, make workload point from
Open anti-surge line；
When selecting " automatic mode ", when workload point does not reach anti-surge line, anti-asthma valve 7 is closed according to pre-set velocity；When
When workload point crosses anti-surge line, then then opening anti-asthma valve 7 according to HMI pre-set velocity, leave workload point anti-
Surge line.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form；Appoint
What those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solution of the present invention, or are revised as the equivalent reality of equivalent variations
Apply example.Therefore, anything that does not depart from the technical scheme of the invention according to the technical essence of the invention do above embodiments
Any simple modification, equivalent replacement, equivalence changes and modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (1)
1. air compressor energy saving control system in hydrogen peroxide production process, which is characterized in that including Hydrogen Peroxide Production DCS system
System, frequency converter, input switching cabinet, output switching cabinet and HMI, include the first breaker and the second breaker in input switching cabinet,
It include third breaker and the 4th breaker in output switching cabinet；The input terminal of first breaker and the second breaker be all connected with into
Line power supply, the input terminal of the output end connection frequency converter of the first breaker, the output end of frequency converter connect the defeated of third breaker
Enter end, the output end of the second breaker connects the input terminal of the 4th breaker, the output end of third breaker and the 4th breaker
It is all connected with air compressor motor；Hydrogen Peroxide Production DCS system is connected with the control port of frequency converter, HMI and Hydrogen Peroxide Production DCS system
System is connected；The entrance of air compressor machine is equipped with flowmeter, outlet is equipped with pressure transmitter, and flowmeter is respectively connected to pressure transmitter
Hydrogen Peroxide Production DCS system；Hydrogen Peroxide Production DCS system is also connected with the anti-asthma valve in hydrogen peroxide production process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504029.8A CN109707609A (en) | 2018-12-10 | 2018-12-10 | Air compressor energy saving control system in hydrogen peroxide production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504029.8A CN109707609A (en) | 2018-12-10 | 2018-12-10 | Air compressor energy saving control system in hydrogen peroxide production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109707609A true CN109707609A (en) | 2019-05-03 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811504029.8A Withdrawn CN109707609A (en) | 2018-12-10 | 2018-12-10 | Air compressor energy saving control system in hydrogen peroxide production process |
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| CN (1) | CN109707609A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962307A (en) * | 2022-04-24 | 2022-08-30 | 华电湖北发电有限公司武昌热电分公司 | Supercharger control method, supercharger control device, supercharger control equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202108712U (en) * | 2011-02-21 | 2012-01-11 | 叶金辉 | Frequency conversion constant pressure control device of air compressor set for cement plant |
| CN204140358U (en) * | 2014-10-08 | 2015-02-04 | 焦作华飞电子电器股份有限公司 | With the frequency-conversion control cabinet that star triangle power frequency startup switches |
| CN205225642U (en) * | 2015-12-18 | 2016-05-11 | 南阳汉冶特钢有限公司 | High pressure air compressor machine station centralized control and frequency conversion control system |
| CN205319992U (en) * | 2015-12-31 | 2016-06-15 | 北京合康亿盛变频科技股份有限公司 | Frequency conversion, power frequency unperturbed switched systems |
| CN206309631U (en) * | 2016-12-01 | 2017-07-07 | 王先宏 | Compressor surge control device and system |
| CN206429370U (en) * | 2016-12-29 | 2017-08-22 | 武汉钢铁有限公司 | A kind of automatic compression device |
-
2018
- 2018-12-10 CN CN201811504029.8A patent/CN109707609A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202108712U (en) * | 2011-02-21 | 2012-01-11 | 叶金辉 | Frequency conversion constant pressure control device of air compressor set for cement plant |
| CN204140358U (en) * | 2014-10-08 | 2015-02-04 | 焦作华飞电子电器股份有限公司 | With the frequency-conversion control cabinet that star triangle power frequency startup switches |
| CN205225642U (en) * | 2015-12-18 | 2016-05-11 | 南阳汉冶特钢有限公司 | High pressure air compressor machine station centralized control and frequency conversion control system |
| CN205319992U (en) * | 2015-12-31 | 2016-06-15 | 北京合康亿盛变频科技股份有限公司 | Frequency conversion, power frequency unperturbed switched systems |
| CN206309631U (en) * | 2016-12-01 | 2017-07-07 | 王先宏 | Compressor surge control device and system |
| CN206429370U (en) * | 2016-12-29 | 2017-08-22 | 武汉钢铁有限公司 | A kind of automatic compression device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962307A (en) * | 2022-04-24 | 2022-08-30 | 华电湖北发电有限公司武昌热电分公司 | Supercharger control method, supercharger control device, supercharger control equipment and storage medium |
| CN114962307B (en) * | 2022-04-24 | 2024-04-26 | 华电湖北发电有限公司武昌热电分公司 | Supercharger control method, supercharger control device, supercharger control apparatus, and storage medium |
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| PB01 | Publication | ||
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Application publication date: 20190503 |