CN219656059U - Ultralow nitrogen combustor flue gas waste heat recovery device - Google Patents
Ultralow nitrogen combustor flue gas waste heat recovery device Download PDFInfo
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- CN219656059U CN219656059U CN202320100982.6U CN202320100982U CN219656059U CN 219656059 U CN219656059 U CN 219656059U CN 202320100982 U CN202320100982 U CN 202320100982U CN 219656059 U CN219656059 U CN 219656059U
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- combustion
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- coal
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000002918 waste heat Substances 0.000 title claims abstract description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000003546 flue gas Substances 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 claims abstract description 109
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 239000003245 coal Substances 0.000 claims abstract description 58
- 239000007789 gas Substances 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 239000003818 cinder Substances 0.000 claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 description 23
- 239000000843 powder Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 239000002817 coal dust Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010849 combustible waste Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000010819 recyclable waste Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The utility model discloses a flue gas waste heat recovery device of an ultralow nitrogen burner, which comprises a combustion mechanism, a ventilation mechanism and a filtering mechanism, wherein the combustion mechanism is used for providing a space for burning coal and gas to be burned and outputting heat generated during burning of the coal outwards, the ventilation mechanism is used for providing gas for the combustion mechanism and collecting gas discharged from the combustion mechanism, the temperature of the combustion mechanism is maintained by the gas discharged from the combustion mechanism, the filtering mechanism is used for collecting pulverized coal cinder generated by burning the coal in the combustion mechanism, the combustion mechanism comprises a combustion bin, a rotary door is arranged on the outer side of the combustion bin, the top of the combustion bin is connected with a bottom pipeline of the filtering mechanism, and an electric control valve is arranged at the joint of the combustion bin and the filtering mechanism.
Description
Technical Field
The utility model is applied to the background of waste heat recovery of a burner, and the name is an ultralow nitrogen burner flue gas waste heat recovery device.
Background
The waste heat refers to sensible heat and latent heat which are not reasonably utilized by the original design in the operated industrial enterprise energy consumption device due to the limitation of factors such as history, technology, concept and the like. The waste heat treatment device comprises high-temperature waste gas waste heat, cooling medium waste heat, waste steam waste water waste heat, high-temperature product and slag waste heat, chemical reaction waste heat, combustible waste gas waste liquid, waste material waste heat and the like. According to investigation, the total waste heat resources of each industry account for about 17% -67% of the total fuel consumption, the recyclable waste heat resources account for about 60% of the total waste heat resources, the flue gas is a main way for wasting energy of general energy-consuming equipment, for example, the energy consumption of boiler flue gas is about 15%, and other equipment, such as a setting machine, a dryer, a kiln and the like in the printing and dyeing industry, mainly consume energy through the flue gas. The flue gas waste heat recovery mainly converts heat carried by flue gas into available heat through a certain heat exchange mode.
However, when the existing flue gas waste heat recovery device of the ultralow nitrogen burner needs to be replaced after the combustion of coal in the burner is completed, the small coal dust and coal slag after the combustion is completed can not be fully combusted when the coal added later is accumulated in the burner, excessive nitride is generated, and meanwhile, the combustion efficiency of the subsequent burner can be reduced, so that operators need to clean the small coal dust and coal slag in the burner firstly, the small coal dust and coal slag after the combustion is prevented from being accumulated in the burner, and when the operators clean the coal dust and coal slag in the burner, the small coal dust and coal slag can be scattered everywhere along with air flow, so that the comfort of the operators in cleaning the small coal dust and coal slag in the burner is reduced, and the flue gas waste heat recovery device of the ultralow nitrogen burner is necessary to provide, so that the comfort of the operators can be improved.
Disclosure of Invention
The utility model aims to provide a flue gas waste heat recovery device of an ultralow nitrogen burner, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an ultralow nitrogen combustor flue gas waste heat recovery device, contains combustion mechanism, breather and filtering mechanism, combustion mechanism is used for treating coal and the gas that burns and provides the required space of burning to the heat that produces when outwards exporting coal burning, breather is used for providing gas to the inside of combustion mechanism, collects the inside gas of collecting combustion mechanism exhaust simultaneously, maintains the inside temperature of combustion mechanism through the inside gas of combustion mechanism exhaust, filtering mechanism is used for collecting the inside coal cinder that produces of coal burning of combustion mechanism.
In one embodiment, combustion mechanism includes the combustion chamber, the outside of combustion chamber is provided with the revolving door, the top and the bottom pipe connection of filtering mechanism of combustion chamber, the junction of combustion chamber and filtering mechanism is provided with the automatically controlled valve, the bottom and the top pipe connection of breather mechanism of combustion chamber, the device is when using, the combustion chamber is used for providing coal and gas combustion's space, and the operating personnel opens the back with the revolving door, can place the coal that waits to burn to the inside of combustion chamber, will burn required gas through breather mechanism simultaneously and import the inside of combustion chamber, after the operating personnel opens the automatically controlled valve, the inside buggy cinder of combustion chamber can get into filtering mechanism, and filtering mechanism can filter the collection to buggy cinder, and when operating personnel closes the automatically controlled valve, the inside buggy cinder of combustion chamber can not get into filtering mechanism's inside.
In one embodiment, the filtering mechanism comprises a collecting pipe, the electric control valve is located at one side of the collecting pipe, the top pipeline of the collecting pipe is connected with an air outlet channel, a filter plate is installed in the air outlet channel, a collecting port is formed in the inner side of the filter plate, a collecting bin is arranged at the bottom of the collecting port, a movable door is installed at the tail end of the collecting bin, in the using process of the device, when cleaning is needed after combustion of the combustion bin is completed, an operator opens the electric control valve, gas is conveyed to the inside of the combustion bin through the ventilation mechanism, small coal powder slag in the combustion bin is brought into the air outlet channel through the collecting pipe, the small coal powder slag can be filtered by the filter plate after entering the air outlet channel and falls into the inside of the collection bin, after the movable door is opened, the operator can collect small coal powder slag in the collection bin, and after the small coal powder slag is collected, the operator can collect large coal slag in the combustion bin by opening the rotary door.
In an embodiment, the breather is including the inlet end, the top of inlet end and the bottom pipe connection of combustion chamber, one side pipe connection of inlet end has the intake pipe, the opposite side pipe connection of inlet end has the gas collecting tube, intake pipe and gas collecting tube all are provided with the pneumatic valve, the end of gas collecting tube is provided with the gas collecting pump, the gas collecting pump is installed in the outer wall of collection chamber, the inlet end of gas collecting pump is located the air outlet of air-out passageway, and the device is during the use, and the combustion chamber carries out normal combustion's in-process to coal, and the pneumatic valve of intake pipe department is opened to the operating personnel, through the inside of inlet end input combustion chamber, when the operating personnel need filter the inside small lump coal cinder of combustion chamber, the inside high temperature gas of combustion chamber outwards discharges through the air-out passageway, and the operating personnel opens the pneumatic valve of gas collecting tube department this moment, drives the gas collecting pump and collects the high-temperature gas that the air-out passageway was discharged to carry out to this gas through the inside of gas collecting pump input end, and then promotes the inside the small lump coal cinder through the end through the air-out through the inlet end and carries out the inside filtration of this lump coal cinder.
Compared with the prior art, the utility model has the following beneficial effects: the device is when using, through filtering and collecting the inside small lump coal cinder of combustion chamber, can make operating personnel follow-up when cleaning the combustion chamber, reduce the scattering everywhere of small lump coal cinder, improve the travelling comfort when operating personnel clean the combustion chamber, simultaneously, use the exhaust high temperature gas of air-out passageway to carry the inside small lump coal cinder of combustion chamber, can make the combustion chamber still keep certain temperature in inside after the cleaning is accomplished, avoid the combustor cold start when follow-up use, combustion efficiency when can improve the follow-up start of combustor simultaneously.
Drawings
The technical solution and other advantageous effects of the present utility model will be made apparent by the following detailed description of the specific embodiments of the present utility model with reference to the accompanying drawings.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of a specific installation structure of the filtering mechanism of the present utility model;
FIG. 3 is a schematic view of a specific mounting location of a filter plate of the present utility model;
in the figure: 1. a combustion bin; 2. a revolving door; 3. a collection pipe; 4. an air outlet channel; 5. a filter plate; 6. a collection port; 7. a collecting bin; 8. a movable door; 9. an air inlet end; 10. an air inlet pipe; 11. a gas collecting tube; 12. an air collecting pump; 13. an electric control valve; 14. and an air pressure valve.
Detailed Description
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Referring to fig. 1-3, the present utility model provides the following technical solutions: the flue gas waste heat recovery device of the ultralow nitrogen burner comprises a combustion mechanism, a ventilation mechanism and a filtering mechanism, wherein the combustion mechanism is used for providing a space required by combustion for coal and gas to be combusted and outputting heat generated during combustion of the coal outwards;
the combustion mechanism comprises a combustion bin 1, a revolving door 2 is arranged on the outer side of the combustion bin 1, the top of the combustion bin 1 is connected with a bottom pipeline of the filtering mechanism, an electric control valve 13 is arranged at the joint of the combustion bin 1 and the filtering mechanism, the bottom of the combustion bin 1 is connected with a top pipeline of the air exchanging mechanism, when the combustion mechanism is used, the combustion bin 1 is used for providing coal and a gas combustion space, an operator can place coal to be combusted in the combustion bin 1 after opening the revolving door 2, meanwhile, gas required by combustion is input into the combustion bin 1 through the air exchanging mechanism, after the electric control valve 13 is opened by the operator, pulverized coal slag in the combustion bin 1 can enter the filtering mechanism, the filtering mechanism can filter and collect the pulverized coal slag, and when the electric control valve 13 is closed by the operator, the pulverized coal slag in the combustion bin 1 cannot enter the filtering mechanism;
the filtering mechanism comprises a collecting pipe 3, an electric control valve 13 is positioned at one side of the collecting pipe 3, an air outlet channel 4 is connected to a top pipeline of the collecting pipe 3, a filter plate 5 is arranged in the air outlet channel 4, a collecting port 6 is arranged at the inner side of the filter plate 5, a collecting bin 7 is arranged at the bottom of the collecting port 6, a movable door 8 is arranged at the tail end of the collecting bin 7, in the using process of the device, when the combustion bin 1 is required to be cleaned after combustion, an operator opens the electric control valve 13, gas is conveyed to the combustion bin 1 through the air exchanging mechanism, small-sized coal powder slag in the combustion bin 1 is brought into the air outlet channel 4 through the collecting pipe 3, the small-sized coal powder slag is filtered by the filter plate 5 after entering the air outlet channel 4 and falls into the collecting bin 7, the operator can collect small-sized coal slag in the collecting bin 7 after opening the movable door 8, and after the small-sized coal slag is collected, the operator can collect large-sized coal slag in the combustion bin 1 after opening the rotary door 2;
the air exchange mechanism comprises an air inlet end 9, the top of the air inlet end 9 is connected with the bottom pipeline of the combustion bin 1, one side pipeline of the air inlet end 9 is connected with an air inlet pipe 10, the other side pipeline of the air inlet end 9 is connected with an air collecting pipe 11, the air inlet pipe 10 and the air collecting pipe 11 are both provided with an air pressure valve 14, the tail end of the air collecting pipe 11 is provided with an air collecting pump 12, the air collecting pump 12 is arranged on the outer wall of the collecting bin 7, the air collecting end of the air collecting pump 12 is positioned at the air outlet of the air outlet channel 4;
working principle: when the device is used, an operator closes the electric control valve 13, opens the revolving door 2, puts coal to be combusted into the combustion chamber 1, inputs external gas into the combustion chamber 1 through the air inlet end 9, drives the combustion chamber 1 to work, when small coal powder slag in the combustion chamber 1 needs to be cleaned after combustion is completed, the operator opens the electric control valve 13, conveys the external gas into the combustion chamber 1 through the air inlet end 9, conveys the small coal powder slag into the air outlet channel 4 along the collecting pipe 3, filters the small coal powder slag through the filter plate 5, simultaneously discharges the high-temperature gas in the combustion chamber 1 outwards along the air outlet channel 4, opens the air pressure valve 14, and inputs the high-temperature gas discharged from the air outlet channel 4 into the combustion chamber 1 along the air inlet end 9 by using the air collecting pump 12, and then carry the inside of air-out passageway 4 to the inside small lump coal fine coal cinder of combustion chamber 1 through this high temperature gas, through filtering and collecting the inside small lump coal fine coal cinder of combustion chamber 1, can make the follow-up when cleaning combustion chamber 1 of operating personnel, reduce the scattering everywhere of small lump coal fine coal cinder, improve the travelling comfort when operating personnel clean combustion chamber 1, simultaneously, use the high temperature gas that air-out passageway 4 was discharged to carry the inside small lump coal fine coal cinder of combustion chamber 1, can make combustion chamber 1 keep certain temperature still in the inside after the cleaning is accomplished, avoid the combustor cold start when follow-up use, combustion efficiency when can improve the follow-up start of combustor simultaneously.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; may be directly connected, may be in communication with the interior of two elements or may be in interaction with two elements. The meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The above describes in detail the flue gas waste heat recovery device of the ultralow nitrogen burner provided by the embodiment of the present utility model, and specific examples are applied to describe the principle and implementation of the present utility model, and the description of the above examples is only used to help understand the technical scheme and core idea of the present utility model; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (4)
1. The utility model provides an ultralow nitrogen combustor flue gas waste heat recovery device, contains combustion mechanism, ventilation mechanism and filtering mechanism, its characterized in that: the combustion mechanism is used for providing a space required by combustion for coal and gas to be combusted and outputting heat generated during combustion of the coal outwards, the ventilation mechanism is used for providing gas for the inside of the combustion mechanism and collecting gas exhausted from the inside of the combustion mechanism, the temperature of the inside of the combustion mechanism is maintained by the gas exhausted from the combustion mechanism, and the filtering mechanism is used for collecting pulverized coal cinder generated during combustion of the coal in the combustion mechanism.
2. The ultralow nitrogen burner flue gas waste heat recovery device according to claim 1, wherein: the combustion mechanism comprises a combustion bin (1), a revolving door (2) is arranged on the outer side of the combustion bin (1), the top of the combustion bin (1) is connected with a bottom pipeline of the filtering mechanism, an electric control valve (13) is arranged at the joint of the combustion bin (1) and the filtering mechanism, and the bottom of the combustion bin (1) is connected with a top pipeline of the ventilation mechanism.
3. The ultralow nitrogen burner flue gas waste heat recovery device according to claim 2, wherein: the filter mechanism comprises a collecting pipe (3), an electric control valve (13) is arranged on one side of the collecting pipe (3), an air outlet channel (4) is connected to the top pipeline of the collecting pipe (3), a filter plate (5) is arranged in the air outlet channel (4), a collecting port (6) is arranged on the inner side of the filter plate (5), a collecting bin (7) is arranged at the bottom of the collecting port (6), and a movable door (8) is arranged at the tail end of the collecting bin (7).
4. The ultralow nitrogen burner flue gas waste heat recovery device according to claim 3, wherein: the air exchange mechanism comprises an air inlet end (9), the top of the air inlet end (9) is connected with the bottom pipeline of the combustion bin (1), one side pipeline of the air inlet end (9) is connected with an air inlet pipe (10), the other side pipeline of the air inlet end (9) is connected with a gas collecting pipe (11), the air inlet pipe (10) and the gas collecting pipe (11) are both provided with an air pressure valve (14), the tail end of the gas collecting pipe (11) is provided with an air collecting pump (12), the air collecting pump (12) is arranged on the outer wall of the collection bin (7), and the air collecting end of the air collecting pump (12) is located at an air outlet of the air outlet channel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320100982.6U CN219656059U (en) | 2023-02-02 | 2023-02-02 | Ultralow nitrogen combustor flue gas waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320100982.6U CN219656059U (en) | 2023-02-02 | 2023-02-02 | Ultralow nitrogen combustor flue gas waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656059U true CN219656059U (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320100982.6U Active CN219656059U (en) | 2023-02-02 | 2023-02-02 | Ultralow nitrogen combustor flue gas waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656059U (en) |
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2023
- 2023-02-02 CN CN202320100982.6U patent/CN219656059U/en active Active
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