CN210165737U - Carbon product roasting system - Google Patents
Carbon product roasting system Download PDFInfo
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- CN210165737U CN210165737U CN201920825405.7U CN201920825405U CN210165737U CN 210165737 U CN210165737 U CN 210165737U CN 201920825405 U CN201920825405 U CN 201920825405U CN 210165737 U CN210165737 U CN 210165737U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 14
- 229910052799 carbon Inorganic materials 0.000 title claims description 14
- 238000002485 combustion reaction Methods 0.000 claims abstract description 80
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- 238000010304 firing Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 24
- 239000002918 waste heat Substances 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 239000002912 waste gas Substances 0.000 claims description 4
- 239000003034 coal gas Substances 0.000 claims 2
- 239000000945 filler Substances 0.000 claims 1
- 239000002737 fuel gas Substances 0.000 claims 1
- 239000003610 charcoal Substances 0.000 abstract description 9
- 238000001354 calcination Methods 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Abstract
The utility model discloses a plain goods calcination system of charcoal, including firing burning furnace and heating furnace, be provided with the burner tip in the combustion chamber that fires burning furnace, be provided with the circulated air entry on firing burning furnace body, be provided with hot air input port bottom heating furnace body, be provided with the circulated air export on the heating furnace bell, the hot air delivery outlet that fires burning furnace and the hot air input port of heating furnace are with hot-blast main intercommunication, the circulated air entry that fires burning furnace and the circulated air export of heating furnace are with circulated air pipe intercommunication, be provided with heated air circulation fan on the hot-blast main, be provided with exhaust port on the circulated air pipe, the inside one side that is located the burner tip of burning furnace is provided with thermocouple temperature sensor, heated air circulation fan intercommunication gas generator, be provided with concentration sensor and pressure sensor on the hot-blast main, it still. The utility model provides can reach and reduce calorific loss, improve heat utilization rate and detect to firing burning furnace, prevent to fire the purpose of burning furnace explosion.
Description
Technical Field
The utility model relates to a plain calcination technical field of charcoal especially relates to a plain goods baking system of charcoal.
Background
In the production process of the carbon material, a roasting device is used for heating the blank of the carbon material. The existing roasting device is composed of a combustion furnace and a heating furnace, high-temperature hot air output by the combustion furnace is sent into the heating furnace through a hot air pipeline to heat blanks in the heating furnace, and waste gas discharged by the heating furnace enters a waste heat recycling device or is directly discharged into the atmosphere. This kind of roasting device energy-conserving effect is not good, and fuel consumption is more, in addition, when the calcination of charcoal goods, when the draught fan introduces the gas to firing burning furnace, if draught fan or pipeline break down, the draught fan can not send normal gas to firing burning furnace for in the burning furnace too big with vent pipe's pressure differential, lead to the tempering easily, the flame meets the gas and takes place the explosion accident easily.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the carbon product roasting system is provided, so that the aims of reducing heat loss, improving the heat energy utilization rate, detecting a combustion furnace and preventing the combustion furnace from exploding are fulfilled.
The utility model provides a carbon product roasting system for realizing the purpose of the utility model, which comprises a combustion furnace and a heating furnace, wherein the combustion furnace is a gas combustion furnace, a burner nozzle is arranged in the combustion chamber of the combustion furnace, a hot air outlet and a circulating air inlet which are communicated with the combustion chamber are arranged on the furnace body of the combustion furnace, the heating furnace is a vertical heating furnace, the bottom of the furnace body of the heating furnace is provided with a hot air inlet which is communicated with the heating chamber inside the heating furnace, a circulating air outlet which is communicated with the heating chamber is arranged on the furnace cover of the heating furnace, the hot air outlet of the combustion furnace is communicated with the hot air inlet of the heating furnace by a hot air pipe, the circulating air inlet of the combustion furnace is communicated with the circulating air outlet of the heating furnace by a circulating air pipe, a hot air circulating fan is arranged on the hot air pipe, a waste gas discharge, the end part of the thermocouple temperature sensor extends to the front of the burner nozzle, the heated air circulation fan is communicated with the gas generator, the hot air pipe is provided with a concentration sensor and a pressure sensor, the combustion furnace further comprises a PLC (programmable logic controller), and the thermocouple temperature sensor, the heated air circulation fan, the gas generator, the concentration sensor and the pressure sensor are all electrically connected with the PLC.
As a further improvement of the scheme, the two heating furnaces are connected in parallel, and the hot air pipe is composed of a hot air main pipe connected with a hot air output port of the combustion furnace and two hot air branch pipes respectively connected with hot air input ports of the two heating furnaces.
As a further improvement of the scheme, the circulating air pipe is composed of a circulating air main pipe connected with a circulating air inlet of the combustion furnace and two circulating air branch pipes respectively connected with circulating air outlets of the two heating furnaces.
As a further improvement of the scheme, a waste heat recovery pipe or an evacuation chimney is connected to the exhaust gas outlet.
As a further improvement of the scheme, the combustion furnace comprises a flame path wall, a furnace bottom and an end wall, wherein the flame path wall is arranged at the upper part of the furnace bottom and forms a furnace box with the end wall, a filling material is arranged around a carbon product roasting piece in the furnace box, the flame path wall comprises a wall body, a bent U-shaped combustion path is arranged in the wall body, burners communicated with the U-shaped combustion path are respectively arranged at two sides of the end wall at the upper part, heat accumulators are respectively arranged in outlets of the U-shaped combustion paths at two sides, the outlets of the U-shaped combustion paths at two sides are connected with a reversing valve through pipelines, an air inlet and a gas outlet are arranged on the reversing valve, and a reversing valve plate capable of controlling gas reversing in a rotating mode is arranged in the reversing valve.
The utility model has the advantages that:
compared with the prior art, the utility model provides a pair of charcoal goods baking systems, through the hot-blast main, circulating air pipe and heated air circulation fan make hot-blast circulation operation between firing burning furnace and heating furnace, overcome among the prior art by the hot-blast direct emission of heating furnace exhaust high temperature or when carrying out waste heat recovery, the not thorough drawback of energy utilization, the heat utilization rate has been improved, and calcination in-process calorific loss is few, fuel consumption has been reduced, it is energy-conserving effectual, can also be through improving the hot-blast velocity of flow in the heating furnace, make hot-blast encephalic formation turbulent flow, thereby make the temperature more even respectively in the heating furnace, the charcoal material quality that roasts out is better. In addition, whether the ignition is successful or not is detected through the temperature change of the thermocouple temperature sensor, the gas is prevented from being conveyed all the time under the condition of unsuccessful ignition, so that the combustion furnace is exploded, the pressure in the hot air pipe is sensed through the pressure sensor, the opening ratio of the proportional control valve is changed, and the explosion caused by the large pressure difference between the hot air pipe and the interior of the combustion furnace is prevented. The utility model provides a pair of plain goods baking system of charcoal can reach and reduce calorific loss, improve heat utilization and detect to firing burning furnace, prevents to fire the purpose of burning furnace explosion.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the combustion furnace of the present invention;
FIG. 4 is a sectional view of a furnace box according to the present invention in use;
fig. 5 is a front view of a cross-sectional structure of another embodiment of the present invention.
Detailed Description
As shown in fig. 1-5, the utility model provides a carbon product roasting system, which comprises a combustion furnace 1 and a heating furnace 2, wherein the combustion furnace 1 is a gas combustion furnace, a burner 3 is arranged in a combustion chamber of the combustion furnace 1, a hot air outlet 4 and a circulating air inlet 5 which are communicated with the combustion chamber are arranged on a furnace body of the combustion furnace 1, the heating furnace 2 is a vertical heating furnace 2, a hot air inlet 7 which is communicated with the heating chamber inside the heating furnace 2 is arranged at the bottom of the furnace body of the heating furnace 2, a circulating air outlet 6 which is communicated with the heating chamber is arranged on a furnace cover 27 of the heating furnace, the hot air outlet 4 of the combustion furnace 1 is communicated with the hot air inlet 7 of the heating furnace 2 by a hot air pipe, the circulating air inlet 5 of the combustion furnace 1 is communicated with the circulating air outlet 6 of the heating furnace 2 by a circulating air pipe, a hot air circulating, the combustion furnace 1 is characterized in that a thermocouple temperature sensor is arranged on one side, located at the combustion nozzle 3, in the combustion furnace 1, the end part of the thermocouple temperature sensor extends to the front of the combustion nozzle 3, the hot air circulating fan 9 is communicated with the gas generator, a concentration sensor and a pressure sensor are arranged on a hot air pipe, the combustion furnace 1 further comprises a PLC, and the thermocouple temperature sensor, the hot air circulating fan 9, the gas generator, the concentration sensor and the pressure sensor are all electrically connected with the PLC.
The two heating furnaces 2 are connected in parallel, the hot air pipes are composed of a hot air main pipe 12 connected with the hot air output port 4 of the combustion furnace 1 and two hot air branch pipes 13 respectively connected with the hot air input ports 7 of the two heating furnaces 2, the volume of the heating furnace 2 is increased under the condition that the combustion furnace 1 is not increased, the combustion furnace 1 can run under a high-efficiency working condition, and the investment of equipment is reduced while the roasting capacity is improved.
In a further improvement, the circulating air pipe is composed of a circulating air main pipe 14 connected with a circulating air inlet 5 of the combustion furnace 1 and two circulating air branch pipes 15 respectively connected with circulating air outlets 6 of the two heating furnaces 2.
In a further improvement, a waste heat recovery pipe 16 or an exhaust chimney is connected to the exhaust gas outlet 10.
The improved combustion furnace 1 includes fire path wall, furnace bottom and end wall, the fire path wall is placed on the upper portion of furnace bottom and is formed into furnace box with end wall, in the furnace box interior a filling material 25 is set around the carbon product roasting member 24, the fire path wall includes wall body 26, in the wall body 26 a bent U-shaped combustion path 17 is set, two sides of upper end wall are respectively equipped with burners 18 communicated with U-shaped combustion path 17, in the outlets of U-shaped combustion path 17 of two sides the heat accumulator 19 is respectively mounted, and the outlets of U-shaped combustion path 17 of two sides are connected with reversal valve 20 by means of pipeline, on the reversal valve 20 an air inlet 21 and a gas outlet 22 are set, and in the reversal valve 20 a reversal valve plate 23 capable of rotating and controlling gas reversal is set. Taking the example of the upper burner 18 of fig. 3 working first, the gas enters the U-shaped combustion channel 17 from the upper burner 18, the combustion-supporting air enters the heat accumulator 19 from the air inlet 21, the heat stored in the heat accumulator 19 in the previous working cycle is exchanged, the high-temperature air which obtains the heat enters the combustion channel through the heat accumulator, the high-temperature flue gas after combustion enters the lower heat accumulator through the snake-shaped turn-back in the combustion channel, the heat is given to the lower heat accumulator, the temperature of the flue gas is reduced, and the flue gas is discharged through the gas outlet 22. The diverter valve plate 23 is now in the position shown in dashed lines. When the temperature of the flue gas discharged from the gas outlet 22 reaches a set value, the upper burner 18 stops working, the lower burner starts working, the gas enters the combustion channel through the upper burner 18, the combustion-supporting air enters the lower heat accumulator through the air inlet 21, the heat stored in the lower heat accumulator in the previous working period is exchanged, the high-temperature air which obtains the heat enters the combustion channel through the lower heat accumulator, the high-temperature flue gas after combustion enters the heat accumulator 19 through snake-shaped turning back in the combustion channel, the heat is given to the heat accumulator 19, the temperature of the flue gas is reduced, and the flue gas is discharged through the gas outlet 22. The diverter valve plate 23 is now in the position shown in phantom in figure 5. When the temperature of the flue gas discharged from the gas outlet 22 reaches a set value, the lower burner stops working, and the upper burner 18 starts working. The two upper burners 18 work alternately to realize the full utilization of heat. And a temperature rise curve can be set according to the process requirements. Due to the alternate work of the two upper burners 18, the temperature difference in the combustion channel is reduced, and the problem that the combustion curve in the combustion furnace 1 cannot follow the set curve is solved.
Compared with the prior art, the utility model provides a pair of carbon product baking system, through the hot-blast main, circulation wind pipe and heated air circulation fan 9 make hot-blast in firing burning furnace 1 and heating furnace 2 intercooling operation, when having overcome among the prior art by the hot-blast direct emission of heating furnace 2 exhaust high temperature or carrying out waste heat recovery, the not thorough drawback of energy utilization, heat utilization rate has been improved, and calorific loss is few in the calcination process, fuel consumption has been reduced, it is energy-conserving effectual, can also be through improving the interior hot-blast velocity of flow of heating furnace 2, make hot-blast encephalic formation turbulent flow, thereby make heating furnace 2 interior temperature more even respectively, the charcoal material quality of calcination play is better. In addition, whether the ignition is successful or not in the combustion furnace 1 is detected through the temperature change of the thermocouple temperature sensor, the combustion gas is prevented from being conveyed all the time under the condition of unsuccessful ignition, so that the combustion furnace 1 is exploded, the pressure in the hot air pipe is sensed through the pressure sensor, the opening ratio of the proportional control valve is changed, and the explosion caused by the large pressure difference between the hot air pipe and the combustion furnace 1 is prevented. The utility model provides a pair of plain goods baking system of charcoal can reach and reduce calorific loss, improve heat utilization and detect to firing burning furnace 1, prevents to fire the purpose of burning furnace 1 explosion.
The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.
Claims (5)
1. A carbon product roasting system is characterized in that: the device comprises a combustion furnace and a heating furnace, wherein the combustion furnace is a gas combustion furnace, a combustion nozzle is arranged in a combustion chamber of the combustion furnace, a hot air outlet and a circulating air inlet which are communicated with the combustion chamber are arranged on a furnace body of the combustion furnace, the heating furnace is a vertical heating furnace, a hot air inlet which is communicated with the heating chamber inside the heating furnace is arranged at the bottom of the furnace body of the heating furnace, a circulating air outlet which is communicated with the heating chamber is arranged on a furnace cover of the heating furnace, the hot air outlet of the combustion furnace is communicated with the hot air inlet of the heating furnace through a hot air pipe, the circulating air inlet of the combustion furnace is communicated with the circulating air outlet of the heating furnace through a circulating air pipe, a hot air circulating fan is arranged on the hot air pipe, a waste gas outlet is arranged on the circulating air pipe, a thermocouple temperature sensor, the hot air circulating fan is communicated with the coal gas generator, the hot air pipe is provided with a concentration sensor and a pressure sensor, the combustion furnace further comprises a PLC controller, and the thermocouple temperature sensor, the hot air circulating fan, the coal gas generator, the concentration sensor and the pressure sensor are all electrically connected with the PLC controller.
2. A carbon article firing system as defined in claim 1, wherein: the heating furnaces are connected in parallel, and the hot air pipes are composed of a hot air main pipe connected with a hot air output port of the combustion furnace and two hot air branch pipes respectively connected with hot air input ports of the two heating furnaces.
3. A carbon article firing system as defined in claim 1, wherein: the circulating air pipe is composed of a circulating air main pipe connected with a circulating air inlet of the combustion furnace and two circulating air branch pipes respectively connected with circulating air outlets of the two heating furnaces.
4. A carbon article firing system as defined in claim 1, wherein: and a waste heat recovery pipe or an evacuation chimney is connected to the waste gas discharge port.
5. A carbon article firing system as defined in claim 1, wherein: the combustion furnace comprises a flame path wall, a furnace bottom and an end wall, wherein the flame path wall is arranged on the upper part of the furnace bottom and forms a furnace box with the end wall, fillers are arranged around a carbon product roasting piece in the furnace box, the flame path wall comprises a wall body, a bent U-shaped combustion path is arranged in the wall body, burners communicated with the U-shaped combustion path are respectively arranged on two sides of the end wall on the upper part, heat accumulators are respectively arranged in outlets of the U-shaped combustion paths on two sides, the outlets of the U-shaped combustion paths on two sides are connected with a reversing valve through pipelines, an air inlet and a fuel gas outlet are arranged on the reversing valve, and a reversing valve plate capable of controlling gas reversing in a rotating mode is arranged in the reversing valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825405.7U CN210165737U (en) | 2019-06-03 | 2019-06-03 | Carbon product roasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825405.7U CN210165737U (en) | 2019-06-03 | 2019-06-03 | Carbon product roasting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210165737U true CN210165737U (en) | 2020-03-20 |
Family
ID=69793962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920825405.7U Active CN210165737U (en) | 2019-06-03 | 2019-06-03 | Carbon product roasting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210165737U (en) |
-
2019
- 2019-06-03 CN CN201920825405.7U patent/CN210165737U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 030000 Green Intelligent Park, Taigu Economic and Technological Development Zone, Jinzhong City, Shanxi Province Patentee after: Taigu Tengfei Carbon Co.,Ltd. Country or region after: China Address before: 030000 Shangzhuang Village, Xiaobai Township, Taigu County, Taiyuan City, Shanxi Province Patentee before: Taigu Tengfei Carbon Co.,Ltd. Country or region before: China |