CN215810272U - High-combustion-efficiency and energy-saving intelligent heating device - Google Patents
High-combustion-efficiency and energy-saving intelligent heating device Download PDFInfo
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- CN215810272U CN215810272U CN202120944239.XU CN202120944239U CN215810272U CN 215810272 U CN215810272 U CN 215810272U CN 202120944239 U CN202120944239 U CN 202120944239U CN 215810272 U CN215810272 U CN 215810272U
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Abstract
The utility model discloses an intelligent heating device with high combustion efficiency and energy saving, comprising: the system comprises a preheating section, a first heating section, a second heating section, a soaking section, a waste heat recovery section and a flue gas treatment section; a burner, an air pressure sensor and a temperature sensor are arranged in the preheating section, the first heating section, the second heating section and the soaking section; the gas outlet end of the flue gas treatment section is connected with a flue; a residual oxygen instrument is arranged in the flue; the combustor, the air pressure sensor, the temperature sensor and the residual oxygen meter are all connected to the control terminal in a communication mode; and the control terminal controls the burner to release corresponding gas and oxygen according to the detection data of the pressure sensor, the temperature sensor and the residual oxygen meter. The high and energy-conserving intelligent heating device of combustion efficiency can correct the combustion state immediately, improves combustion efficiency, reduces fuel consumption, reduces the oxidation loss of carbon steel, reduces manual operation intensity.
Description
Technical Field
The utility model relates to an intelligent heating device with high combustion efficiency and energy saving.
Background
Iron and steel are alloys of iron with C (carbon), Si (silicon), Mn (manganese), P (phosphorus), S (sulfur) and small amounts of other elements. In which the content of C, in addition to Fe (iron), plays a major role in the mechanical properties of steel and is therefore collectively referred to as iron-carbon alloy. It is the most important and most important metal material in engineering technology.
With the development of heavy industry, the smelting of steel gradually becomes an important life line of an economic body, and the steel is widely applied to various fields, wherein a heating furnace is indispensable equipment in the smelting process of the steel; in addition, the heating furnace for steelmaking generates a large amount of residual heat in flue gas, which is a form of energy, and the flue gas generated by combustion of fuel gas contains a large amount of carbon dioxide, and if the carbon dioxide cannot be removed in time, the carbon dioxide is directly discharged into the atmosphere, so that the phenomenon of greenhouse effect is continuously aggravated.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides an intelligent heating device with high combustion efficiency and energy saving, which adopts the following technical scheme:
the utility model provides a high and energy-conserving intelligent heating device of combustion efficiency, includes: the preheating section, the first heating section, the second heating section, the soaking section, the waste heat recovery section and the smoke treatment section are all formed by taking a hollow cabinet body as a main body and sequentially connecting the cabinet body from left to right; a burner, an air pressure sensor and a temperature sensor are arranged in the preheating section, the first heating section, the second heating section and the soaking section; the gas outlet end of the flue gas treatment section is connected with a flue; a residual oxygen instrument is arranged in the flue; the combustor, the air pressure sensor, the temperature sensor and the residual oxygen meter are all connected to the control terminal in a communication mode; and the control terminal controls the burner to release corresponding gas and oxygen according to the detection data of the pressure sensor, the temperature sensor and the residual oxygen meter.
Furthermore, a liquid circulation pipeline for conveying cold liquid to absorb the heat of the flue gas in the waste heat recovery section is arranged in the waste heat recovery section; and two ends of the liquid circulation pipeline are communicated with the external water supply equipment and the external water utilization equipment.
Furthermore, a speed regulating pump for controlling the flow rate of the liquid in the liquid circulation pipeline is arranged in the liquid circulation pipeline; the speed regulating pump is connected to the control terminal in a communication mode.
Furthermore, a second temperature sensor for detecting the temperature of the discharged flue gas is arranged in the flue; the second temperature sensor is in communication connection with the control terminal; and the control terminal controls the speed regulating pump according to the detection data of the second temperature sensor so as to control the flow rate of the liquid in the liquid circulation pipeline.
Furthermore, a filter screen layer for filtering particulate matters in the smoke and an active carbon filter layer for removing peculiar smell in the smoke are arranged in the smoke treatment section; the filter screen layer and the active carbon filter layer can be detachably inserted into the inner wall of the flue gas treatment section through the sliding chute.
Further, a liquid storage layer is also arranged in the smoke treatment section; a saturated sodium hydroxide solution used for reacting with carbon dioxide in the flue gas is arranged in the liquid storage layer; and the flue gas in the waste heat recovery section is discharged to the bottom of the sodium hydroxide solution through an exhaust pipe.
Further, the top of the flue gas treatment section is also provided with a spray head for spraying sodium hydroxide solution.
Further, the spray head is communicated to the bottom of the flue gas treatment section through a conveying pipeline so as to convey the sodium hydroxide solution at the bottom of the flue gas treatment section to the spray head.
Further, a carbon dioxide detector for detecting the content of carbon dioxide in the discharged flue gas is also arranged in the flue; the carbon dioxide detector is in communication connection with the control terminal.
Furthermore, the conveying pipeline is provided with a control pump for controlling the flow of the sodium hydroxide solution sprayed by the spray head; the control pump is in communication connection with the control terminal; the control terminal controls the control pump according to the detection data of the carbon dioxide detector so as to adjust the flow of the sodium hydroxide solution sprayed by the spray head.
Compared with the prior art, the intelligent heating device with high combustion efficiency and energy saving provided by the utility model has the following beneficial effects:
this high and energy-conserving intelligent heating device of combustion efficiency, through preheating the district section, first heating district section, the combustor is installed in second heating people district section and soaking section embedding, baroceptor, a weighing sensor and a temperature sensor, the inside fixedly connected with residual oxygen appearance of flue, make control terminal can be according to baroceptor, the corresponding gas of detection data control combustor release and oxygen of temperature sensor and residual oxygen appearance, guarantee the atmospheric pressure in the stove stable, and guarantee the heating temperature of steel billet and the precision of the temperature of coming out of the stove, can correct combustion state immediately, improve combustion efficiency, reduce fuel consumption, reduce the oxidation loss of burning of carbon steel, reduce manual operation intensity.
Drawings
Fig. 1 is a schematic view of an energy-saving intelligent heating device with high combustion efficiency according to the utility model.
The intelligent heating device 1 is high in combustion efficiency and energy-saving, and comprises a preheating section 11, a first heating section 12, a second heating section 13, a soaking section 14, a waste heat recovery section 15, a flue gas treatment section 16, a flue 17, a combustor 18, an air pressure sensor 19, a temperature sensor 20, an oxygen residue meter 21, a liquid circulation pipeline 22, a speed regulating pump 23, a second temperature sensor 24, a filter screen layer 25, an active carbon filter layer 26, a liquid storage layer 27, a sodium hydroxide solution 28, an exhaust pipe 29, a spray head 30, a conveying pipeline 31, a carbon dioxide detector 32, a control pump 33 and a control terminal 34.
Detailed Description
The utility model is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1, an intelligent heating apparatus 1 with high combustion efficiency and energy saving includes: a preheating section 11, a first heating section 12, a second heating section 13, a soaking section 14, a waste heat recovery section 15 and a flue gas treatment section 16. The preheating section 11, the first heating section 12, the second heating section 13, the soaking section 14, the waste heat recovery section 15 and the flue gas treatment section 16 are all formed by connecting hollow cabinets serving as main bodies in sequence from left to right. Here, the preheating section 11, the first heating section 12, the second heating person section 13, the soaking section 14, the waste heat recovery section 15, and the flue gas treatment section 16 may be fixedly installed at the top by screws. During steel making, steel is sequentially heated and smelted through the preheating section 11, the first heating section 12, the second heating section 13 and the soaking section 14.
Further, a burner 18, an air pressure sensor 19 and a temperature sensor 20 are disposed in each of the preheating section 11, the first heating section 12, the second heating section 13 and the soaking section 14. The burner 18 is used for inputting fuel gas and oxygen into each section and igniting the fuel gas and the oxygen to burn the fuel gas, thereby heating the steel. The air pressure sensor 19 detects air pressure in each segment. The temperature sensor 20 is used to detect the temperature in each section. The gas outlet end of the flue gas treatment section 16 is connected with a flue 17. A residual oxygen meter 21 is arranged in the flue 17 to detect the oxygen content in the flue gas in the flue 17. The burner 18, the air pressure sensor 19, the temperature sensor 20 and the residual oxygen meter 21 are all communicatively connected to the control terminal 34. The control terminal 34 sets the air pressure and temperature in each zone as the standard air pressure and standard temperature. The precision of the heating temperature and the tapping temperature of the steel billet smelted under the standard air pressure and the standard temperature is higher. The control terminal 34 can control the burner 18 to release corresponding fuel gas and oxygen according to the detection data of the pressure sensor 19, the temperature sensor 20 and the residual oxygen meter 21, thereby ensuring that the hearth pressure and the exhaust gas temperature of the heating furnace are in proper ranges.
The high and energy-conserving intelligent heating device 1 of combustion efficiency that this scheme provided, through preheating district section 11, first heating district section 12, combustor 18 is installed in second heating people district section 13 and the 14 embedding of soaking section, baroceptor 19, temperature sensor 20, the inside fixedly connected with residual oxygen appearance 21 of flue 17, make control terminal 34 can be according to baroceptor 19, temperature sensor 20 and residual oxygen appearance 21's detection data control combustor 18 releases corresponding gas and oxygen, guarantee the atmospheric pressure stability in the stove, and guarantee the heating temperature of steel billet and the precision of the temperature of coming out of the stove, can correct combustion state immediately, improve combustion efficiency, reduce fuel consumption, reduce the oxidation loss of carbon steel, reduce manual operation intensity, the energy-conserving intelligent heating device 1 of this scheme, through preheating district section 11, first heating district section 12, second heating people district section 13 and the embedding of soaking section, atmospheric pressure sensor 19, temperature and the precision of the heating temperature and the temperature of stove temperature of guaranteeing the stove, can correct combustion state immediately, reduce combustion efficiency, reduce the oxidation loss of fuel consumption, reduce the oxidation loss of carbon steel
In a specific embodiment, a liquid circulation pipeline 22 is arranged in the waste heat recovery section 15. The liquid circulation duct 22 is used to convey cold liquid to absorb heat from the flue gas in the waste heat recovery section 15. Both ends of the liquid circulation pipe 22 communicate with an external water supply apparatus and an external water use apparatus. The cold liquid absorbing the heat is discharged into external water equipment after being increased in temperature for other applications. Therefore, the temperature of the discharged flue gas can be reduced, and meanwhile, the high-temperature energy in the flue gas can be secondarily utilized, so that the energy-saving and environment-friendly effects are achieved, and the production cost is reduced.
Further, a speed regulating pump 23 is provided in the liquid circulation pipe 22. The governor pump 23 is used to control the flow rate of the liquid in the liquid circulation pipe 22. The governor pump 23 is communicatively connected to the control terminal 34. A second temperature sensor 24 is provided in the flue 17. The second temperature sensor 24 is used to detect the temperature of the discharged flue gas. The second temperature sensor 24 is communicatively coupled to the control terminal 34. The control terminal 34 controls the variable speed pump 23 to control the flow rate of the liquid in the liquid circulation pipe 22 based on the detection data of the second temperature sensor 24. That is, when the temperature detected by the second temperature sensor 24 is greater than the preset value, the controller will adjust the speed-adjusting pump 23 to increase the flow rate of the liquid in the liquid circulation pipe 22, so as to improve the cooling efficiency of the liquid circulation pipe 22. When the temperature detected by the second temperature sensor 24 is less than the preset value, the controller will adjust the speed-regulating pump 23 to reduce the flow rate of the liquid in the liquid circulation pipeline 22, so as to achieve sufficient heat recovery under the premise of energy saving.
In one embodiment, a screen layer 25 and an activated carbon filter layer 26 are provided in the flue gas treatment section 16. The filter screen layer 25 is used for filtering particulate matters in the smoke. The activated carbon filter layer 26 is used to remove odors from the flue gas. The filter screen layer 25 and the activated carbon filter layer 26 can be detachably inserted into the inner wall of the flue gas treatment section 16 through sliding grooves, so that the filter screen layer 25 and the activated carbon filter layer 26 can be conveniently detached.
In a specific embodiment, a liquid storage layer 27 is further disposed in the flue gas treatment section 16. The liquid storage layer 27 is filled with a saturated sodium hydroxide solution 28. The sodium hydroxide solution 28 is used to react with the carbon dioxide in the flue gas. The flue gas in the waste heat recovery section 15 is discharged to the bottom of the sodium hydroxide solution 28 through the exhaust pipe 29 to improve the reaction efficiency of the carbon dioxide and the sodium hydroxide solution 28.
Through setting up filter screen layer 25 and active carbon filter layer 26 and can carry out the sodium bicarbonate solution of abundant reaction with carbon dioxide gas, can remove dust, remove flavor and remove greenhouse gas's processing to the flue gas in proper order, the flue gas after the processing can not lead to the fact destruction to the atmospheric environment, has slowed down greenhouse effect's deterioration speed.
In one embodiment, the top of the flue gas treatment section 16 is also provided with a spray head 30. The spray head 30 is used for spraying the sodium hydroxide solution 28, so that the flue gas is subjected to a blending reaction with the sodium hydroxide solution 28 again, carbon dioxide in the flue gas is further removed, and the removal efficiency of the carbon dioxide is improved. Meanwhile, the flue gas can be further cooled by spraying the sodium hydroxide solution 28, so that the temperature of the discharged flue gas is further reduced.
Specifically, the spray head 30 is communicated to the bottom of the flue gas treatment section 16 through a conveying pipe 31 to convey the sodium hydroxide solution 28 at the bottom of the flue gas treatment section 16 to the spray head 30. Such a liquid circulation structure enables the sodium hydroxide solution 28 to be fully utilized.
Further, a carbon dioxide detector 32 is also provided in the flue 17. The carbon dioxide detector 32 is used to detect the carbon dioxide content in the emitted flue gas. The carbon dioxide detector 32 is communicatively coupled to a control terminal 34. The delivery pipe 31 is provided with a control pump 33. The control pump 33 is used to control the flow rate of the sodium hydroxide solution 28 sprayed by the spray head 30. The control pump 33 is communicatively connected to a control terminal 34. The control terminal 34 controls the pump 33 according to the detection data of the carbon dioxide detector 32 to adjust the flow rate of the sodium hydroxide solution 28 sprayed from the spray head 30. That is, when the content of carbon dioxide detected by the carbon dioxide detector 32 is greater than the predetermined value, the controller adjusts the control pump 33 to increase the flow rate of the sodium hydroxide solution 28 sprayed by the spray head 30, so as to improve the reaction efficiency between the sodium hydroxide solution 28 and the carbon dioxide. When the carbon dioxide content detected by the carbon dioxide detector 32 is less than the preset value, the controller adjusts the control pump 33 to reduce the flow rate of the sodium hydroxide solution 28 sprayed by the spray head 30, so as to achieve sufficient removal of carbon dioxide under the premise of energy saving.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. The utility model provides a high and energy-conserving intelligent heating device of combustion efficiency, includes: the heat recovery device comprises a preheating section, a first heating section, a second heating section, a soaking section, a waste heat recovery section and a smoke treatment section, wherein the preheating section, the first heating section, the second heating section, the soaking section, the waste heat recovery section and the smoke treatment section are all mainly hollow cabinets and are sequentially connected with one another from left to right; the device is characterized in that a burner, an air pressure sensor and a temperature sensor are arranged in the preheating section, the first heating section, the second heating section and the soaking section; the gas outlet end of the flue gas treatment section is connected with a flue; a residual oxygen instrument is arranged in the flue; the combustor, the air pressure sensor, the temperature sensor and the residual oxygen meter are all in communication connection with a control terminal; and the control terminal controls the burner to release corresponding gas and oxygen according to the detection data of the air pressure sensor, the temperature sensor and the residual oxygen meter.
2. The intelligent heating device with high combustion efficiency and energy saving according to claim 1,
a liquid circulation pipeline used for conveying cold liquid to absorb heat of the flue gas in the waste heat recovery section is arranged in the waste heat recovery section; and two ends of the liquid circulation pipeline are communicated with external water supply equipment and external water utilization equipment.
3. The intelligent heating device with high combustion efficiency and energy saving according to claim 2,
a speed regulating pump for controlling the flow rate of liquid in the liquid circulation pipeline is arranged in the liquid circulation pipeline; the speed regulating pump is in communication connection with the control terminal.
4. The intelligent heating device with high combustion efficiency and energy saving according to claim 3,
a second temperature sensor for detecting the temperature of the discharged flue gas is arranged in the flue; the second temperature sensor is in communication connection with the control terminal; and the control terminal controls the speed regulating pump according to the detection data of the second temperature sensor so as to control the flow rate of the liquid in the liquid circulation pipeline.
5. The intelligent heating device with high combustion efficiency and energy saving according to claim 1,
a filter screen layer for filtering particles in the smoke and an active carbon filter layer for removing peculiar smell in the smoke are arranged in the smoke treatment section; the filter screen layer and the activated carbon filter layer can be detachably inserted into the inner wall of the flue gas treatment section through the sliding chute.
6. The intelligent heating device with high combustion efficiency and energy saving according to claim 5,
a liquid storage layer is also arranged in the smoke treatment section; a saturated sodium hydroxide solution used for reacting with carbon dioxide in the flue gas is arranged in the liquid storage layer; and the flue gas in the waste heat recovery section is discharged to the bottom of the sodium hydroxide solution through an exhaust pipe.
7. The intelligent heating device with high combustion efficiency and energy saving according to claim 6,
and the top of the flue gas treatment section is also provided with a spray head for spraying sodium hydroxide solution.
8. The intelligent heating device with high combustion efficiency and energy saving according to claim 7,
the spray head is communicated to the bottom of the flue gas treatment section through a conveying pipeline so as to convey the sodium hydroxide solution at the bottom of the flue gas treatment section to the spray head.
9. The intelligent heating device with high combustion efficiency and energy saving according to claim 8,
a carbon dioxide detector for detecting the content of carbon dioxide in the discharged flue gas is also arranged in the flue; the carbon dioxide detector is in communication connection with the control terminal.
10. The intelligent heating device with high combustion efficiency and energy saving according to claim 9,
the conveying pipeline is provided with a control pump for controlling the flow of the sodium hydroxide solution sprayed by the spray head; the control pump is in communication connection with the control terminal; and the control terminal controls the control pump according to the detection data of the carbon dioxide detector so as to adjust the flow of the sodium hydroxide solution sprayed by the spray head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120944239.XU CN215810272U (en) | 2021-04-29 | 2021-04-29 | High-combustion-efficiency and energy-saving intelligent heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120944239.XU CN215810272U (en) | 2021-04-29 | 2021-04-29 | High-combustion-efficiency and energy-saving intelligent heating device |
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| Publication Number | Publication Date |
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| CN215810272U true CN215810272U (en) | 2022-02-11 |
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| CN202120944239.XU Active CN215810272U (en) | 2021-04-29 | 2021-04-29 | High-combustion-efficiency and energy-saving intelligent heating device |
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- 2021-04-29 CN CN202120944239.XU patent/CN215810272U/en active Active
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