CN218035134U - Glass melting furnace atmosphere monitoring and accurate regulation and control device and process system - Google Patents
Glass melting furnace atmosphere monitoring and accurate regulation and control device and process system Download PDFInfo
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- CN218035134U CN218035134U CN202221934176.0U CN202221934176U CN218035134U CN 218035134 U CN218035134 U CN 218035134U CN 202221934176 U CN202221934176 U CN 202221934176U CN 218035134 U CN218035134 U CN 218035134U
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Abstract
The utility model discloses a glass melting furnace atmosphere monitoring and accurate regulation and control device and a process system, which belong to the technical field of glass production and manufacture, wherein the process system comprises a glass melting furnace atmosphere monitoring and accurate regulation and control device, and the glass melting furnace atmosphere monitoring and accurate regulation and control device comprises a monitoring device and a regulation and control device; the monitoring device comprises an air inlet monitoring device, a regenerator flue gas analyzer and a main flue gas analyzer; the regulating and controlling device comprises an air inlet regulating device and a DCS system, and the air inlet regulating device comprises a flowmeter and a regulating valve; and data collected by the air inlet monitoring device, the regenerator flue gas analyzer and the main flue gas analyzer are accessed into the DCS. The utility model discloses can be to the flame atmosphere in a plurality of position real-time supervision glass melting furnaces, with its accurate quantization, carry out accurate regulation to the flame atmosphere in the melting furnaces as required, do benefit to the abundant burning of fuel, reach the purpose that reduces the energy consumption, increase of production, can also control the flame atmosphere, promote glass founding clarification, stabilize glass physical and chemical properties.
Description
Technical Field
The utility model belongs to the technical field of glass manufacturing, in particular to device and system of flame atmosphere monitoring and accurate regulation and control.
Background
In the glass production and manufacturing process, in order to better and accurately master and control the combustion condition in the melting furnace and enable the redox reaction of the glass melt to be more orderly, the components of the smoke generated after the combustion of each small furnace in the melting furnace are required to be analyzed, the wind-fire ratio and the fuel combustion condition are further judged, the flame combustion working condition is timely adjusted through the change of the smoke component content, the full combustion of the fuel is facilitated, the purposes of reducing energy consumption and improving yield and quality are achieved, the redox atmosphere of the flame can be controlled accordingly, the melting redox reaction of the glass melt and the absorption and overflow clarification process of bubbles of the glass melt are promoted, and the physicochemical properties such as the color of the glass are stabilized.
In addition, the reasonable setting and optimization of the flame atmosphere gradient of the glass melting furnace have direct and close relation and influence on the improvement of the glass quality, the energy conservation, the consumption reduction and the environmental protection. Accurate timely data monitoring provides guarantee and basis for technical engineer's accurate regulation and control, so flame atmosphere in time monitors very importantly, carries out accurate regulation and control to flame atmosphere and redox reaction according to the gas composition data that record and provides the assurance for further optimization of glass production process.
At present, the monitoring of the flame atmosphere of the glass melting furnace is realized by a method and a measure for realizing the production guidance mainly through the theoretical ratio of air combustion-supporting air and natural gas, flame observation and quality result reverse deduction. The technical method has the following defects and shortcomings in actual production:
1. the air-gas ratio of air combustion-supporting air and natural gas is only a theoretical value, and the actual conditions in production such as spray gun configuration, combustion state, regenerator state and the like in actual production all have great influence on the actual combustion atmosphere in the glass melting furnace.
2. The observation of burning flames deviates greatly from the actual state and also requires a long experience accumulation. The technology for judging the flame atmosphere by visual experience to judge the redox reaction and realize the orderly and precise control is difficult to learn and master by a new person in particular. Meanwhile, different flame colors can be reflected by different observation glasses, and great interference is brought to eye judgment.
3. For the present days of market fatigue, stock increase, price rise, price decline and increasingly fierce competition of the original burning materials, the quality rise of the glass products is beneficial to the improvement of the product competitiveness. The existing methods and means are not accurate enough, are only a rough empirical judgment, are far from being suitable for modern large-scale intelligent factory control, and are difficult to meet the requirements of process technology.
Therefore, the thinking mode and the control concept need to be changed, the process flow needs to be redesigned, and a new technical means is adopted to carry out quantitative, digital and accurate monitoring on the combustion flame, so that the flame combustion atmosphere is accurately regulated and controlled, the quality of glass products is improved, and the purposes of energy conservation and emission reduction are achieved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that an atmosphere monitoring and accurate regulation and control device and process equipment of a glass melting furnace can monitor the atmosphere of the glass melting furnace and realize accurate regulation and control.
In order to solve the technical problem, the first aspect, the utility model discloses a technical scheme be: the utility model provides an atmosphere monitoring and accurate regulation and Control device of glass melting furnace, including monitoring devices and regulation and Control device, monitoring devices is including admitting air monitoring devices, regenerator flue gas analysis appearance, main flue gas analysis appearance, regulation and Control device is including admitting air adjusting device, DCS System, the adjusting device that admits air includes flowmeter and governing valve, the monitoring devices that admits air regenerator flue gas analysis appearance, main flue gas analysis appearance data acquisition access the DCS System, the DCS System and flowmeter, governing valve communication connection, wherein the DCS System is Distributed Control System (Distributed Control System).
Wherein, the regenerator flue gas analyzer is a portable flue gas analyzer.
Wherein, the flue gas analyzer of the main flue is an online flue gas analyzer.
In a second aspect, the utility model also provides a glass melting furnace's processing system, including foretell atmosphere monitoring regulation and control device.
The process system further comprises a regenerative chamber and at least two small furnaces, wherein the regenerative chamber comprises a partition wall, an outer side wall body, target wall observation holes and a bottom observation hole, the partition wall is arranged in the regenerative chamber and used for isolating and independently controlling combustion-supporting air in each small furnace, the target wall observation holes are formed in the middle of the outer side wall body of each small furnace, and the bottom observation holes are formed in the bottom of the regenerative chamber.
The bottom observation hole is used for observing the state of flue gas observed by the bottom observation hole of the regenerator, the combustion state is judged through the flame color, and the combustion state is recorded into the DCS.
The regenerator flue gas analyzer comprises an analyzer and a water cooling jacket, wherein the analyzer comprises an analysis module, a display screen and a measuring probe, the water cooling jacket comprises a water inlet channel, a water outlet channel and a gas inlet channel, the measuring probe is hermetically connected with the gas inlet channel, and the regenerator flue gas analyzer is connected with a target wall observation hole or a soot hole at the bottom of a regenerator.
The process system further comprises an air inlet pipeline, the air inlet pipeline comprises a fuel pipeline and a combustion-supporting air pipeline, the small furnaces are respectively provided with an independent branch pipeline of the fuel pipeline and an independent branch pipeline of the combustion-supporting air pipeline, the branch pipelines of the fuel pipeline and the branch pipelines of the combustion-supporting air pipeline are respectively connected with the flow meter and the regulating valve, the regulating valve is a rotary gate valve, and the flow meter is a hole plate type flow meter.
The process system further comprises a main flue, wherein the main flue gas analyzer is arranged on the position of the side wall in the middle of the main flue and comprises a control cabinet, a pipeline, a gas component measuring module and elements, and the gas component measuring module and the elements are arranged in the control cabinet and connected with the pipeline.
The process system further comprises a central control room, the DCS is arranged in the central control room and comprises a control system and an operating system, and the control system is in communication connection with the flowmeter and the regulating valve.
The beneficial effects of the utility model reside in that: adopt monitoring devices that admits air, regenerator flue gas analyzer, a plurality of monitoring devices such as flue gas analyzer are in the fuel pipe, the regenerator, the flame atmosphere in the glass melting furnace is monitored in real time to a plurality of positions of flue gas main, with its accurate quantization, and transmit to the DCS system, carry out accurate regulation through the flame atmosphere of regulation and control device in to the melting furnace as required, be favorable to the abundant burning of fuel, reach and reduce the energy consumption, the purpose of increase production, and can also control flame atmosphere according to this, promote glass melting clarification process, physical and chemical properties such as stable glass colour, in addition, can also reduce the nitrogen oxide in the flue gas, carbon dioxide discharges, alleviate the influence to the environment.
Drawings
FIG. 1 is a schematic structural view of a process system of a glass melting furnace according to the present invention;
description of the reference symbols:
1. a small furnace; 2. a regenerator; 3. a main flue; 4. water cooling jacket; 5. a water inlet channel; 6. a water outlet channel; 7. an intake passage; 8. an analyzer; 9. an online flue gas analyzer; 10. a DCS system; 11. and (4) measuring the probe.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: a plurality of monitoring devices are adopted to jointly monitor the flame atmosphere in the glass melting furnace in real time at a plurality of positions such as a fuel pipeline, a combustion-supporting air pipeline, a regenerator, a main flue and the like, data are transmitted to a DCS system, then the obtained data are synthesized to be accurate and quantized, and then a flowmeter and a regulating valve are controlled to accurately regulate the atmosphere.
Please refer to fig. 1, the utility model provides an atmosphere monitoring and accurate regulation and Control device of glass melting furnace, including monitoring devices and regulation and Control device, monitoring devices is including admitting air monitoring devices, regenerator flue gas analyzer and flue gas analyzer, regulation and Control device is including admitting air adjusting device and DCS System 10, the adjusting device that admits air includes flowmeter and governing valve, admit air monitoring devices, regenerator flue gas analyzer, flue gas analyzer gathered data access DCS System, DCS System and flowmeter, governing valve communication connection, wherein the DCS System is Distributed Control System (Distributed Control System).
From the above description, the beneficial effects of the present invention are: the utility model provides an atmosphere monitoring regulation and control device of glass melting furnace can the flame atmosphere of multiple departments of integrated monitoring admission line, regenerator to carry out accurate regulation and control to the gas component of the department of admitting air through the DCS system, and then reach the purpose that reduces the energy consumption, increase of production.
Furthermore, the regenerator flue gas analyzer is a portable flue gas analyzer.
As can be seen from the description, the regenerator has high temperature, if other analyzers are adopted, the equipment is easy to damage or lose efficacy, and the portable flue gas analyzer is adopted, is flexible and mobile, can better meet the use requirement of measuring the flue gas in the regenerator and is used for measuring the O in the high-temperature flue gas 2 、CO、CO 2 、NO、NO 2 、SO 2 And the like.
Further, the flue gas analyzer is an online flue gas analyzer 9.
From the above description, it can be seen that the use of an online flue gas analyzer as the flue gas analyzer can supplement the neutral position in the regenerator where the portable flue gas analyzer cannot continuously measure, and can provide O 2 、CO、CO 2 、NO、NO 2 、SO 2 、H 2 O, flue gas flow and the like.
Further, a process system of the glass melting furnace is also provided, and comprises the atmosphere monitoring and accurate regulating device, a regenerator and at least two small furnaces 1.
From the above description, it can be seen that the process system includes an atmosphere monitoring and precise control device and a melting furnace facility associated therewith, wherein the regenerator and the small furnace are a key part of the melting furnace facility associated therewith.
Further, the regenerator 2 comprises a partition wall, an outer wall, a target wall observation hole and a bottom observation hole, the partition wall is arranged inside the regenerator 2 and used for isolating and independently controlling the combustion-supporting air in each small furnace 1, the target wall observation hole is arranged in the middle of the outer wall of each small furnace 1, and the bottom observation hole is arranged at the bottom of the regenerator.
As can be seen from the above description, the regenerative chambers are provided with partition walls, and the combustion-supporting air distribution of each small furnace is separated and distinguished to the greatest extent by adopting a pairwise separation or full separation mode, so that accurate measurement and regulation and control are performed; target wall observation holes are also formed and are formed in the middle of each small furnace partition wall body, so that the flame atmosphere in the regenerator can be more accurately measured; the bottom has still set up the bottom and has observed the hole, is convenient for observe the flue gas state, and the flue gas is with whether there is the ember and judges the combustion state.
Furthermore, the regenerator flue gas analyzer comprises an analyzer 8 and a water cooling jacket 4, wherein the analyzer 8 comprises an analysis module, a display screen and a measuring probe 11, the water cooling jacket 4 is provided with a water inlet channel 5, a water outlet channel 6 and an air inlet channel 7, the measuring probe 11 is hermetically connected with the air inlet channel 7, and the regenerator flue gas analyzer is connected with a target wall observation hole or a soot hole at the bottom of the regenerator.
It can be known from the above description that the flue gas in the regenerator is the high temperature flue gas, does not cause equipment damage and bodily injury for the better collection flue gas, so adopt the water-cooled mode for the high temperature flue gas cooling in the analysis appearance, introduce the high temperature flue gas into the analyzer, measure the flue gas condition in each fritter in proper order, target wall observation hole and regenerator bottom ash hole are taken off and all can be measured, preferred target wall observation hole, because regenerator bottom ash hole may cause measuring error because of cigarette ash etc..
Furthermore, the process system further comprises an air inlet pipeline, the air inlet pipeline comprises a fuel pipeline and a combustion-supporting air pipeline, a plurality of small furnaces are provided with independent branch pipelines of the fuel pipeline and branch pipelines of the combustion-supporting air pipeline, the branch pipelines of the fuel pipeline and the branch pipelines of the combustion-supporting air pipeline are respectively connected with the flow meter and the regulating valve, the regulating valve is a rotary gate valve, the flow meter is a hole plate type flow meter, and the flow meter and the DCS system are connected and controlled through communication.
From the above description, it can be seen that each of the small furnaces is individually connected to the fuel pipeline and the combustion-supporting air pipeline, and the gas components in the gas inlet pipeline can be accurately regulated and controlled by using the rotary gate valve and the orifice plate type flowmeter.
Furthermore, the process system also comprises a main flue 3, wherein the main flue gas analyzer is arranged at the position of the side wall in the middle of the main flue 3 and comprises a control cabinet, a pipeline, a gas component measuring module and elements, and the gas component measuring module and the elements are arranged in the control cabinet and connected with the pipeline.
It can be known from the above description that the flue gas analyzer of the main flue is an online flue gas analyzer, and the measurement and the analysis are integrally and simultaneously performed, so that the flue gas analyzer needs to be arranged at the position of the side wall in the middle of the main flue, the space required by the control cabinet is ensured, and the flue gas in the pipeline is not influenced by the front and back processes, wherein the gas component measurement module comprises a plurality of gas component measurement modules such as a zirconia oxygen measurement module and a carbon monoxide measurement module.
Further, the process system further comprises a central control room, the DCS system 10 is disposed in the central control room and comprises a control system and an operating system, and the control system is in communication connection with the flow meter and the regulating valve.
It can be known from the above description that the DCS is arranged in the central control room, receives data sent back from the air intake monitoring device, the regenerator flue gas analyzer, the main flue gas analyzer and the like, and after comprehensive analysis, feeds back the regulation and control flowmeter and the regulating valve for accurately controlling the air intake atmosphere, can realize real-time measurement and joint control operation, and has various modes such as automatic, manual and on-site manual operation of the central control room.
Application scenarios: the utility model provides a glass melting furnace atmosphere monitoring and accurate regulation and control device and process systems are applied to in the glass melting furnace glass's the manufacturing process.
Example one
Referring to fig. 1, a first embodiment of the present invention is:
an atmosphere monitoring and accurate regulating device of a glass melting furnace comprises a monitoring device and a regulating device; the monitoring device comprises an air inlet monitoring device, a regenerator flue gas analyzer and a main flue gas analyzer; the regulating and controlling device comprises an air inlet regulating device and a DCS system, and the air inlet regulating device comprises a flowmeter and a regulating valve; the data collected by the air inlet monitoring device, the regenerator flue gas analyzer and the main flue gas analyzer are connected into a DCS system, the DCS system is in communication connection with a flow meter and a regulating valve, the regenerator flue gas analyzer is a portable flue gas analyzer, and the main flue gas analyzer is an online flue gas analyzer.
Example two
Referring to fig. 1, a second embodiment of the present invention is:
a process system of a glass melting furnace comprises an atmosphere monitoring and controlling device, a regenerative chamber 2, at least two small furnaces 1, an air inlet pipeline, a main flue and a central control chamber, wherein the regenerative chamber 2 comprises a partition wall, an outer side wall body, a target wall observation hole and a bottom observation hole, the partition wall is arranged in the regenerative chamber and used for isolating and independently controlling combustion-supporting air in each small furnace, the target wall observation hole is formed in the middle of the outer side wall body of each small furnace, and the bottom observation hole is formed in the bottom of the regenerative chamber 2; the bottom observation hole is used for observing the state of the flue gas observed by the bottom observation hole of the regenerator 2, judging the combustion state through the flame color, and inputting the combustion state into the DCS 10; the regenerator flue gas analyzer comprises an analyzer and a water cooling jacket 4, wherein the analyzer comprises an analysis module, a display screen and a measuring probe 11, and the water cooling jacket is 1500mm in length and has an outer diameter of 1500mm
The combined steel member comprises a water inlet channel, a water outlet channel and an air inlet channel, wherein a measuring probe is hermetically connected with the air inlet channel, and a regenerator flue gas analyzer is connected with an observation hole of a target wall or a dust removing hole at the bottom of a regenerator; the air inlet pipeline comprises a fuel pipeline and a combustion-supporting air pipeline, a plurality of small furnaces are respectively provided with a branch pipeline of the fuel pipeline and a branch pipeline of the combustion-supporting air pipeline, the branch pipelines of the fuel pipeline and the branch pipelines of the combustion-supporting air pipeline are respectively connected with a flow meter and an adjusting valve, the adjusting valve is a rotary gate valve, and the flow meter is a perforated plate type flow meter; the flue gas analyzer of the main flue is arranged on the side wall of the middle part of the main flue 3 and comprises a control cabinet, a pipeline, a gas component measuring module and elements, wherein the gas component measuring module and the elements are arranged in the control cabinet and connected with the pipeline, and a DCS (distributed control system) is arranged in a central control room and comprises a control system and an operating system, wherein the control system, a flowmeter and an operating system are arranged in the control systemThe regulating valve is in communication connection.
To sum up, the utility model discloses it is obvious to promoting the quality, promoting combustion efficiency and reducing the energy consumption, reducing nitrogen oxide and carbon dioxide emission effect, according to calculating can promote yield 3 ~ 8%, reduce energy consumption 5 ~ 10%, reduce nitrogen oxide and carbon dioxide emission 3 ~ 10%.
The above embodiments are only embodiments of the present invention, not limiting the scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or directly or indirectly applied to the related technical fields, are included in the protection scope of the present invention.
Claims (10)
1. An atmosphere monitoring and precise regulating device of a glass melting furnace is characterized by comprising a monitoring device and a regulating device;
the monitoring device comprises an air inlet monitoring device, a regenerator flue gas analyzer and a main flue gas analyzer;
the regulating and controlling device comprises an air inlet regulating device and a DCS system, wherein the air inlet regulating device comprises a flowmeter and a regulating valve;
data collected by the air inlet monitoring device, the regenerator flue gas analyzer and the main flue gas analyzer are connected into the DCS, and the DCS is in communication connection with the flowmeter and the regulating valve.
2. The apparatus for monitoring and controlling atmosphere of a glass melting furnace as set forth in claim 1, wherein the regenerator flue gas analyzer is a portable flue gas analyzer.
3. The apparatus for monitoring and controlling atmosphere of a glass melting furnace as set forth in claim 1, wherein the flue gas analyzer of the main flue is an on-line flue gas analyzer.
4. A process system for a glass melting furnace comprising an atmosphere monitoring and fine tuning device as claimed in any one of claims 1 to 3.
5. The glass melter process system of claim 4 further comprising a regenerator and at least two ports, wherein the regenerator includes a dividing wall, an outer wall, a plurality of viewing holes and a plurality of bottom viewing holes, the dividing wall is disposed within the regenerator for isolating and individually controlling the combustion air in each port, the target wall viewing holes are disposed in the middle of the outer wall corresponding to each port, and the bottom viewing holes are disposed in the bottom of the regenerator.
6. The glass melter process system of claim 5, wherein the bottom observation hole is used for observing the flue gas state observed by the regenerator bottom observation hole, the combustion state is judged by the flame color, and the flame color is recorded into the DCS system.
7. The glass melter process system of claim 5 wherein the regenerator flue gas analyzer comprises an analyzer and a water jacket, the analyzer comprises an analysis module, a display screen, and a measurement probe, the water jacket comprises a water inlet channel, a water outlet channel, and a gas inlet channel, the measurement probe is hermetically connected with the gas inlet channel, and the regenerator flue gas analyzer is connected with the target wall observation hole or the regenerator bottom ash hole.
8. The glass melter process system as in claim 4, further comprising an air inlet duct comprising a fuel duct and a combustion air duct, wherein each of the plurality of small furnaces is provided with a separate branch duct of the fuel duct and a separate branch duct of the combustion air duct, the branch ducts of the fuel duct and the branch ducts of the combustion air duct are respectively connected with a flow meter and an adjusting valve, the adjusting valve is a rotary gate valve, and the flow meter is a perforated plate type flow meter.
9. The glass melting furnace process system according to claim 4, further comprising a main flue, wherein the main flue gas analyzer is arranged at a position of a side wall of the middle portion of the main flue and comprises a control cabinet, a pipeline, a gas component measuring module and elements, the gas component measuring module and the elements are arranged in the control cabinet and connected with the pipeline, and data obtained by measurement are in communication connection with the DCS system.
10. The glass melter process system of claim 4 further comprising a central control room, wherein the DCS system is disposed in the central control room and comprises a control system and an operating system, and the control system is in communication with the flow meter and the regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221934176.0U CN218035134U (en) | 2022-07-26 | 2022-07-26 | Glass melting furnace atmosphere monitoring and accurate regulation and control device and process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221934176.0U CN218035134U (en) | 2022-07-26 | 2022-07-26 | Glass melting furnace atmosphere monitoring and accurate regulation and control device and process system |
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| Publication Number | Publication Date |
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| CN218035134U true CN218035134U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221934176.0U Active CN218035134U (en) | 2022-07-26 | 2022-07-26 | Glass melting furnace atmosphere monitoring and accurate regulation and control device and process system |
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| CN (1) | CN218035134U (en) |
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- 2022-07-26 CN CN202221934176.0U patent/CN218035134U/en active Active
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