CN221036723U - Composite channel burner system - Google Patents
Composite channel burner system Download PDFInfo
- Publication number
- CN221036723U CN221036723U CN202322950788.XU CN202322950788U CN221036723U CN 221036723 U CN221036723 U CN 221036723U CN 202322950788 U CN202322950788 U CN 202322950788U CN 221036723 U CN221036723 U CN 221036723U
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- valve
- gas
- passage
- nitrogen
- burner
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- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 122
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 56
- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 239000000446 fuel Substances 0.000 claims abstract description 29
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 claims description 6
- 239000002737 fuel gas Substances 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000010926 purge Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The utility model provides a composite channel burner system, which comprises a rotary kiln burner, a first gas passage, a second gas passage, a fuel passage, a nitrogen passage and a combustion-supporting passage; the first gas passage comprises a first gas valve, a first gas safety valve, a first gas shut-off valve and a first gas regulating valve which are sequentially connected; the second gas passage comprises a second gas valve, a second gas safety valve, a second gas shut-off valve and a second gas regulating valve which are sequentially connected; the system can conveniently and rapidly control the flame in the rotary kiln, monitor the flame injection condition, accurately control the temperature change in the kiln, reduce the error rate of manual operation, prevent kiln forming, prolong the service life of the kiln, improve the quality of ceramsite products, save energy and reduce consumption.
Description
Technical Field
The utility model is suitable for the field of rotary kiln temperature control, and provides a composite channel burner system.
Background
The rotary kiln has the function that the burner provides fuel and air for the interior of the rotary kiln to form a high-temperature environment, the materials are gradually heated at high temperature, moisture and volatile substances in the materials are evaporated and discharged, meanwhile, sintering and solidification of ores occur, and chemical components in the materials correspondingly react and are converted at high temperature.
Sintering phenomenon is easy to occur in the existing rotary kiln, and the reason is that the temperature control in the rotary kiln is unstable, the heating condition of materials fluctuates, the service life of the kiln is also reduced due to the unstable temperature control, and the quality of ceramsite products is affected.
Disclosure of utility model
In view of the above-mentioned drawbacks, an object of the present utility model is to provide a composite channel burner system, which is to solve the problems set forth in the background art, and the device includes a rotary kiln and a burner mounted on the rotary kiln, wherein the burner is communicated with a first gas channel, a second gas channel, a fuel channel, a nitrogen channel and a combustion-supporting channel; the first gas passage comprises a first gas valve, a first gas safety valve, a first gas shut-off valve and a first gas regulating valve which are sequentially connected from one end far away from the burner through pipelines; the second gas passage comprises a second gas valve, a second gas safety valve, a second gas shut-off valve and a second gas regulating valve which are sequentially connected from one end far away from the burner through pipelines.
The nitrogen passage comprises a nitrogen shut-off valve, a first nitrogen electromagnetic valve and a second nitrogen electromagnetic valve which are sequentially connected from one end far away from the burner through pipelines; one end of a nitrogen branch pipeline is communicated with a pipeline between the first nitrogen electromagnetic valve and the second nitrogen electromagnetic valve, the other end of the nitrogen branch pipeline is communicated with a pipeline between the second gas safety valve and the second gas shut-off valve, and a nitrogen regulating valve is arranged on the branch pipeline;
One end of an ignition branch pipeline is communicated with a pipeline between the first gas safety valve and the first gas shut-off valve, and the other end of the ignition branch pipeline is connected with a combustor; and an ignition electromagnetic valve and a manual valve are arranged on the ignition branch pipeline.
Further, the fuel passage comprises a Roots blower, a pneumatic conveying pump and a pneumatic cut-off valve which are sequentially connected from one end far away from the burner through pipelines.
Further, the pneumatic conveying pump is provided with a rotary feeder, a fuel bin is arranged on the rotary feeder, and an electric valve is arranged on the fuel bin.
Further, the combustion-supporting passage comprises a combustion-supporting fan and an electric regulating valve which are sequentially connected from one end far away from the burner through pipelines.
Further, a fan pressure transmitter is arranged on a pipeline between the combustion-supporting fan and the electric regulating valve.
Further, the burner is electrically connected with a flame monitor, and the flame monitor comprises a wireless transmitter, a control box and an in-situ ignition box.
Furthermore, a gas pressure gauge and a gas pressure transmitter are arranged on the pipeline between the first gas valve and the first gas safety valve and the pipeline between the second gas valve and the second gas safety valve.
Therefore, the system can conveniently and rapidly control the flame in the rotary kiln through the burner system with the composite channel, monitor the flame injection condition, accurately control the temperature change in the kiln, reduce the error rate of manual operation, prevent the kiln from forming, prolong the service life of the kiln, improve the quality of ceramsite products, save energy and reduce consumption.
Drawings
FIG. 1 is a schematic diagram of a burner system configuration;
FIG. 2 is a schematic diagram of a flame monitor;
FIG. 3 is a schematic view of the combustion supporting passage structure;
FIG. 4 is a schematic diagram of a fuel passage structure;
In the figure: 001-a rotary kiln; 002-burner; 01-a gas pressure gauge; 02-a gas pressure transmitter; 10-a first gas passage; 101-a manual valve; 102-ignition solenoid valve; 11-a first gas valve; 12-a first gas safety valve; 13-a first gas shut-off valve; 14-a first gas regulating valve; 20-a second gas passage; 201-a nitrogen shut-off valve; 202-a first nitrogen solenoid valve; 203-a nitrogen regulating valve; 204-a second nitrogen solenoid valve; 21-a second gas valve; 22-a second gas safety valve; 23-a second gas shut-off valve; 24-a second gas regulating valve; 3-fuel passage; 31-Roots blower; 321-a fuel bin; 322-electric valve; 323-rotary feeder; 33-pneumatic conveying pump; 34-pneumatic shut-off valve; 4-combustion-supporting passages; 41-combustion-supporting fans; 42-fan pressure transmitter; 43-an electric regulating valve; 5-flame monitor; 51-a wireless transmitter; 52-a control box; 53-ignition in situ.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 4, an object of the present utility model is to provide a composite channel burner system, which comprises a rotary kiln 001 and a burner 002 mounted on the rotary kiln 001, wherein the burner 002 is communicated with a first gas passage 10, a second gas passage 20, a fuel passage 3, a nitrogen passage and a combustion supporting passage 4; one end of the first gas passage 10 and one end of the second gas passage 20 are connected with a gas supply device, the gas supply device provides gas which can be combusted for the first gas passage 10 and the second gas passage 20, the fuel passage 3 provides fuel for a combustor, and the combustion-supporting passage 4 is internally provided with a fan and can supply air for the rotary kiln 001.
The first gas passage 10 includes a first gas valve 11, a first gas safety valve 12, a first gas shut-off valve 13, and a first gas regulating valve 14 connected in sequence from one end far from the burner 002 through pipes; the second gas passage 20 includes a second gas valve 21, a second gas safety valve 22, a second gas shut-off valve 23, and a second gas regulating valve 24 sequentially connected from one end far from the burner 002 through pipes; the first gas valve 11 and the second gas valve 21 are manual cut-off valves, and are normally open valves in use, and can be manually closed by operators when dangerous situations occur, so that the pipeline is not conducted. The first gas safety valve 12, the second gas safety valve 22, the first gas shut-off valve 13 and the second gas shut-off valve 23 are all electrically controlled safety shut-off valves, and function to shut off the pipeline when emergency such as leakage, explosion and the like occurs in the pipeline, so as to ensure the safety of personnel and equipment. In addition, the safety shut-off valve can be used in pipeline maintenance and overhaul so as to safely shut off the pipeline. The first gas regulating valve 14 and the second gas regulating valve 24 are electrically regulated valves, and the purpose of changing the medium flow and pressure is achieved by electrically controlling the valve core position, and the functions are similar to throttling, and the medium flow rate in a pipeline is controlled.
The nitrogen passage comprises a nitrogen shut-off valve 201, a first nitrogen solenoid valve 202 and a second nitrogen solenoid valve 204 which are sequentially connected from one end far away from the burner 002 through pipelines; the nitrogen shut-off valve 201 is a manual shut-off valve, the first nitrogen electromagnetic valve 202 and the second nitrogen electromagnetic valve 204 are both electromagnetic control switch valves, and the on-off of the first nitrogen electromagnetic valve 202 can be directly controlled by an external controller. One end of a nitrogen branch pipeline is communicated with a pipeline between the first nitrogen electromagnetic valve 202 and the second nitrogen electromagnetic valve 204, the other end of the nitrogen branch pipeline is communicated with a pipeline between the second gas safety valve 22 and the second gas shut-off valve 23, and a nitrogen regulating valve 203 is arranged on the branch pipeline; the nitrogen branch pipeline is connected to a pipeline between the first nitrogen electromagnetic valve 202 and the second nitrogen electromagnetic valve 204 through a tee joint, and the nitrogen regulating valve 203 is an electric regulating valve and is used for regulating the passing flow of nitrogen through electric driving.
One end of an ignition branch pipeline is communicated with a pipeline between the first gas safety valve 12 and the first gas shut-off valve 13, and the other end of the ignition branch pipeline is connected with a combustor 002; the ignition branch pipe is provided with an ignition electromagnetic valve 102 and a manual valve 101. Specifically, the ignition solenoid valve 102 is installed on the side of the ignition branch line close to the first gas shutoff valve 13, and the manual valve 101 is installed on the side of the ignition branch line close to the burner 002.
During actual use, a worker can control the composite channel burner system through an external controller, the controller controls the system to be started, the system is subjected to safe purging before ignition, at the moment, the nitrogen shut-off valve 201 is normally open, the first nitrogen electromagnetic valve 202 is controlled to be opened, the nitrogen regulating valve 203 is controlled to be closed, the second nitrogen electromagnetic valve 204 is controlled to be opened, the purging time is 1 minute, and the purging is stopped. The nitrogen passage plays a role in protecting the internal purging, and the nitrogen passage purges the combustor before ignition and after flameout.
After purging, ignition is performed, at this time, the valve on the first gas passage 10 is fully opened, and the first gas regulating valve 14 is opened by about 20%, the ignition solenoid valve 102 is controlled to start ignition, and at the same time, the gas pressure is detected, so that the gas pressure is ensured to be within a set pressure range, and otherwise, the first gas shut-off valve 13 is closed.
During the ignition phase, the first gas passage 10 and the second gas passage 20 may be selectively opened to achieve rapid ignition. At this time, in the ignition state, the valve of the second gas passage 20 is fully opened, the second nitrogen electromagnetic valve 204 is electrically controlled to be closed, the nitrogen shut-off valve 201 is normally opened, the first nitrogen electromagnetic valve 202 and the nitrogen regulating valve 203 are opened, the nitrogen regulating valve 203 is controlled to regulate the specified pressure, the gas is properly doped, the doped nitrogen ensures that the flame is stable and does not deflagrate, and at this time, the flame is in a composite dual-channel gas combustion state, and the combustor 002 is rapidly and stably ignited. The fuel passage 3 provides fuel, such as pulverized coal, in the burner during the ignition stage, and after successful ignition, the fuel burns in the burner 002 to provide heat to the rotary kiln.
Meanwhile, in the ignition stage, the combustion-supporting passage 4 is opened, at the moment, the first gas regulating valve 14 and the second gas regulating valve 24 of the first gas passage 10 and the second gas passage 20 are gradually opened, ventilation of the combustion-supporting passage 4 ensures that the proportion of the gas and the combustion-supporting air is proper, and the gas is fully combusted, so that the energy-saving effect is achieved.
Preferably, the fuel passage 3 includes a Roots blower 31, a pneumatic pump 33, and a pneumatic shut-off valve 34 connected in this order from an end remote from the burner 002 through pipes. The Roots blower 31 is connected with the pneumatic conveying pump 33 to provide power for the pneumatic conveying pump 33, fuel is pumped into the combustor 002 by the pneumatic conveying pump 33, fuel is provided for the combustor 002, and the pneumatic shut-off valve 34 can shut off the fuel passage 3 when needed, so that the equipment stops feeding.
Preferably, the pneumatic conveying pump 33 is provided with a rotary feeder 323, a fuel bin 321 is arranged on the rotary feeder 323, and an electric valve 322 is arranged on the fuel bin 321. The electric valve 322 is controlled to be opened and closed, and when the electric valve is opened, fuel enters the rotary feeder 323 from the fuel bin 321, and the rotary feeder 323 conveys the fuel to the pneumatic conveying pump 33, and the fuel is pumped into the combustor 002.
Preferably, the combustion-supporting passage 4 includes a combustion-supporting fan 41 and an electric control valve 43 sequentially connected from an end far from the burner 002 through pipes. The combustion fan 41 is connected with a pipeline, and an electric regulating valve 43 arranged on the pipeline can regulate the air quantity.
Preferably, a fan pressure transmitter 42 is installed on the pipeline between the combustion fan 41 and the electric regulating valve 43. The pressure transmitter 02 is a device for converting pressure into a pneumatic signal or an electric signal for control and remote transmission; it can convert the physical pressure parameters of gas and liquid into standard electric signals for the secondary instruments of indication alarm, recorder and regulator to measure, indicate and regulate the process.
Preferably, the burner 002 is electrically connected with a flame monitor 5, and the flame monitor 5 includes a wireless transmitter 51, a control box 52 and an in-situ ignition box 53. The control box 52 and the in-situ ignition box 53 are electrically connected to each controlled valve device in the system, and the control box 52 and the in-situ ignition box 53 are mainly composed of an explosion-proof box body and electrical components. The electromagnetic valve ignition device has the function of completing the working process of opening the electromagnetic valve and igniting by manual operation on site. The wireless transmitter 51 may transmit the operating state of the device and the detected parameters to the terminal for monitoring by the terminal. The control box 52 contains the weak electrical devices and control systems of the system.
Preferably, a gas pressure gauge 01 and a gas pressure transmitter 02 are installed on the pipeline between the first gas valve 11 and the first gas safety valve 12 and the pipeline between the second gas valve 21 and the second gas safety valve 22. The gas pressure gauge 01 can display the pressure value in the pipeline for the supervision of staff.
Therefore, the system can conveniently and rapidly control the flame in the rotary kiln through the burner system with the composite channel, monitor the flame injection condition, accurately control the temperature change in the kiln, reduce the error rate of manual operation, prevent the kiln from forming, prolong the service life of the kiln, improve the quality of ceramsite products, save energy and reduce consumption.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. The composite channel burner system is characterized by comprising a rotary kiln (001) and a burner (002) arranged on the rotary kiln (001), wherein the burner (002) is communicated with a first fuel gas passage (10), a second fuel gas passage (20), a fuel passage (3), a nitrogen passage and a combustion supporting passage (4);
The first gas passage (10) comprises a first gas valve (11), a first gas safety valve (12), a first gas shut-off valve (13) and a first gas regulating valve (14) which are sequentially connected from one end far away from the burner (002) through pipelines; the second gas passage (20) comprises a second gas valve (21), a second gas safety valve (22), a second gas shut-off valve (23) and a second gas regulating valve (24) which are sequentially connected from one end far away from the burner (002) through pipelines;
The nitrogen passage comprises a nitrogen shut-off valve (201), a first nitrogen electromagnetic valve (202) and a second nitrogen electromagnetic valve (204) which are sequentially connected from one end far away from the burner (002) through pipelines; one end of a nitrogen branch pipeline is communicated with a pipeline between the first nitrogen electromagnetic valve (202) and the second nitrogen electromagnetic valve (204), the other end of the nitrogen branch pipeline is communicated with a pipeline between the second gas safety valve (22) and the second gas cut-off valve (23), and a nitrogen regulating valve (203) is arranged on the branch pipeline;
One end of an ignition branch pipeline is communicated with a pipeline between the first gas safety valve (12) and the first gas shut-off valve (13), and the other end of the ignition branch pipeline is connected with a combustor (002); an ignition electromagnetic valve (102) and a manual valve (101) are arranged on the ignition branch pipe.
2. The composite channel burner system according to claim 1, wherein the fuel passage (3) comprises a Roots blower (31), a pneumatic transfer pump (33) and a pneumatic shut-off valve (34) connected in this order by pipes from an end remote from the burner (002).
3. The composite channel burner system according to claim 2, characterized in that the pneumatic conveying pump (33) is provided with a rotary feeder (323), the rotary feeder (323) is provided with a fuel bin (321), and the fuel bin (321) is provided with an electric valve (322).
4. The composite channel burner system according to claim 1, characterized in that the combustion-supporting passage (4) comprises a combustion-supporting fan (41) and an electric regulating valve (43) connected in sequence from an end remote from the burner (002) by means of a pipe.
5. The composite channel burner system according to claim 4, characterized in that a fan pressure transmitter (42) is mounted on the conduit between the combustion fan (41) and the electric regulating valve (43).
6. The composite channel burner system according to claim 1, wherein a flame monitor (5) is electrically connected to the burner (002), the flame monitor (5) comprising a wireless transmitter (51), a control box (52) and an in-situ ignition box (53).
7. The composite channel burner system according to claim 1, characterized in that a gas pressure gauge (01) and a gas pressure transmitter (02) are mounted on the pipe between the first gas valve (11) and the first gas safety valve (12) and on the pipe between the second gas valve (21) and the second gas safety valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322950788.XU CN221036723U (en) | 2023-11-01 | 2023-11-01 | Composite channel burner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322950788.XU CN221036723U (en) | 2023-11-01 | 2023-11-01 | Composite channel burner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221036723U true CN221036723U (en) | 2024-05-28 |
Family
ID=91167739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322950788.XU Active CN221036723U (en) | 2023-11-01 | 2023-11-01 | Composite channel burner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221036723U (en) |
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2023
- 2023-11-01 CN CN202322950788.XU patent/CN221036723U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |