CN219161020U - Heating furnace temperature control device - Google Patents
Heating furnace temperature control device Download PDFInfo
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- CN219161020U CN219161020U CN202223525367.4U CN202223525367U CN219161020U CN 219161020 U CN219161020 U CN 219161020U CN 202223525367 U CN202223525367 U CN 202223525367U CN 219161020 U CN219161020 U CN 219161020U
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Abstract
The utility model discloses a heating furnace temperature control device, which comprises: the heating furnace comprises a heating furnace, an inner boiler arranged in the inner cavity of the heating furnace, a spiral fuel gas shunt pipe arranged around the outer surface of the inner boiler, temperature detectors arranged in the inner boiler at equal intervals along the vertical direction, and an air chamber communicated with the bottom of the inner cavity of the heating furnace through an air duct; the outside of the heating furnace is respectively provided with a gas branch pipe and a control box, and the gas branch pipe is communicated with a gas shunt pipe. When the device is used, the problems that in a heating system of a heating furnace in the prior art, the heating position of the burner to the inner boiler is single, the heating area is limited, the heating speed of the inner boiler is slow, the heating uniformity is insufficient, the local overheating phenomenon is easy to occur, and the temperature detector is arranged on the inner side wall of the heating cavity, so that the temperature detection of the inner boiler is not accurate enough, and the temperature regulation precision of the inner boiler is affected are solved.
Description
Technical Field
The utility model relates to the technical field of heating furnaces, in particular to a heating furnace temperature control device.
Background
The heating furnace is an energy conversion device, the energy input to the heating furnace is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in the fuel, and steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards after the conversion of the heating furnace. The heating furnace plays an important role in the production and life of people.
Through retrieving, chinese patent application No. CN202023074284.9 discloses a temperature control system for industrial heating furnace, including the heating furnace, the bottom in the heating furnace is equipped with the heating chamber, be equipped with interior boiler in the heating furnace, be equipped with the cavity between interior boiler and the heating furnace, interior boiler fixed connection is in the top of heating chamber, the top intercommunication of heating furnace is connected with the feed inlet, the one end of feed inlet fixed connection on the heating furnace runs through the heating furnace and extends to in the interior boiler.
The applicant found the following technical problems when implementing the above technical solution:
the burner has a single heating position and limited heating area to the inner boiler, so that the heating speed of the inner boiler is slow, the heating uniformity is insufficient, the local overheating phenomenon is easy to occur, and the temperature detector is arranged on the inner side wall of the heating cavity, so that the temperature detection of the inner boiler is not accurate enough, and the temperature regulation precision is affected.
Therefore, the utility model provides a heating furnace temperature control device which can ensure the comprehensiveness of heating an inner boiler in the use process so as to improve the heating speed, and ensure the detection accuracy of the temperature of the heating furnace temperature control device so as to improve the accuracy of temperature control.
Disclosure of Invention
The utility model aims to solve the problems that in a heating system of a heating furnace in the prior art, a heating position of a burner to an inner boiler is single and a heating area is limited, so that the heating speed of the inner boiler is slow and the heating uniformity is insufficient, a local overheating phenomenon is easy to occur, and a temperature detector is arranged on the inner side wall of a heating cavity, so that the temperature of the inner boiler is detected inaccurately and the adjusting precision of the temperature is influenced, thereby providing a heating furnace temperature control device which can ensure the heating comprehensiveness of the inner boiler in the use process, improve the heating speed, ensure the detecting accuracy of the temperature of the inner boiler and further improve the precision of temperature control.
In order to achieve the above object, the present utility model provides a heating furnace temperature control apparatus comprising: the heating furnace comprises a heating furnace, an inner boiler arranged in the inner cavity of the heating furnace, a spiral fuel gas shunt pipe arranged around the outer surface of the inner boiler, temperature detectors arranged in the inner boiler at equal intervals along the vertical direction, and an air chamber communicated with the bottom of the inner cavity of the heating furnace through an air duct;
the outside of heating furnace is provided with gas branch pipe and control box respectively, gas branch pipe is linked together with the gas shunt tubes, just a plurality of burning nozzles rather than inside being linked together have been laid respectively to the gas shunt tubes towards one side of interior boiler evenly, and a plurality of temperature detectors are connected with the inside PLC controller electricity of control box respectively, be provided with the first automatically controlled valve of control gas inflow on the gas branch pipe, be provided with the second automatically controlled valve of control air blast volume on the gas duct, just first automatically controlled valve with the second automatically controlled valve is connected with the PLC controller electricity through executing controller respectively.
Preferably, an air deflector is horizontally arranged between the inner boiler and the air duct outlet in the inner cavity of the heating furnace, and a plurality of air guide holes are formed in the air deflector in a penetrating manner along the vertical direction.
Preferably, each temperature detector is respectively horizontally arranged, the detection end faces the central shaft of the inner boiler, the rear end of the temperature detector is fixed on the inner side wall of the inner boiler, connecting lines of the temperature detectors are arranged in a protection pipeline of the inner side wall of the inner boiler, and the protection pipeline is communicated with the inside of the control box.
Preferably, a control panel electrically connected with the PLC is fixedly arranged on the side, opposite to the heating furnace, of the control box.
Preferably, a feeding pipe communicated with the inner boiler is arranged at the top of the heating furnace, and a cover plate capable of covering the window is hinged to the edge of the opening at the top of the feeding pipe.
Preferably, the gas branch pipe penetrates through and is fixed on the side wall of the heating furnace, the bottom end of the gas shunt pipe is welded with the gas branch pipe through spot welding, and the top end of the gas shunt pipe is arranged in a sealing mode.
Preferably, the outer peripheral surface of the inner boiler is fixedly provided with a supporting ring, the side surfaces of the supporting ring are respectively fixed on the inner side wall of the heating furnace through a plurality of supporting rods, and the inner boiler and the inner side wall of the heating furnace are arranged at intervals.
According to the technical scheme, the heating furnace temperature control device provided by the utility model has the beneficial effects that: the heating furnace inner cavity is filled with fuel gas through the fuel gas shunt pipe, the fuel gas shunt pipe is arranged outside the inner boiler in a sleeved mode to shunt, and then the fuel gas shunt pipe is led out through the inner burner to burn so as to heat the inner boiler.
Additional features and advantages of the utility model will be set forth in the detailed description which follows; and none of the utility models are related to the same or are capable of being practiced in the prior art.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
fig. 1 is a schematic view showing the structure of a heating furnace temperature control apparatus provided in a preferred embodiment of the present utility model;
fig. 2 is a schematic view showing an internal structure of a heating furnace temperature control apparatus provided in a preferred embodiment of the present utility model;
FIG. 3 is a schematic view showing the arrangement of the temperature sensor inside the inner boiler provided in a preferred embodiment of the present utility model;
fig. 4 is a schematic view of the structure of a gas shunt tube provided in a preferred embodiment of the present utility model.
Description of the reference numerals
1 heating furnace 2 second electric control valve
3 air duct 4 plenum
5 first electric control valve of gas branch pipe 6
7 control panel 8 control box
9 feed pipe 10 cover plate
11-in-boiler 12 gas shunt pipe
13 protection pipeline 14 support bar
15 air deflector 16 temperature detector
19 burner nozzle
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
In the present utility model, unless otherwise indicated, terms such as "upper, lower, inner, outer" and the like are used merely to denote orientations of the term in a normal use state or are commonly understood by those skilled in the art, and should not be construed as limitations of the term.
Example 1:
as shown in fig. 1 and 2, in the present embodiment, the present application provides a heating furnace temperature control apparatus, including: the heating furnace comprises a heating furnace 1, an inner boiler 11 arranged in the inner cavity of the heating furnace, a spiral gas shunt pipe 12 arranged around the outer surface of the inner boiler 11, temperature detectors 16 arranged in the inner boiler 11 at equal intervals along the vertical direction, and an air chamber 4 communicated with the bottom of the inner cavity of the heating furnace 1 through an air duct 3;
the outside of heating furnace 1 is provided with gas branch pipe 5 and control box 8 respectively, gas branch pipe 5 is linked together with gas shunt tubes 12, just gas shunt tubes 12 has evenly laid a plurality of burner tips 19 that are linked together rather than inside respectively towards one side of interior boiler 11, and a plurality of temperature detectors 16 are connected with the inside PLC controller 17 electricity of control box 8 respectively, be provided with the first automatically controlled valve 6 of control gas inflow on the gas branch pipe 5, be provided with the second automatically controlled valve 2 of control air drum inflow on the air duct 3, just first automatically controlled valve 6 with second automatically controlled valve 2 is connected with the PLC controller 17 electricity through executing controller 18 respectively.
In the above scheme, when the heating furnace temperature control device is used, gas is introduced into the inner cavity of the heating furnace 1 through the gas shunt pipe 12, and is shunted through the gas shunt pipe 12 sleeved outside the inner boiler 11, and then is discharged through the inner burner 19 for combustion, so that the heating of the inner boiler 11 is realized, the structure can ensure the comprehensiveness of the heating position of the inner boiler 11, thereby improving the heating speed, being beneficial to accurately controlling the heating furnace temperature, the temperature detectors 16 are arranged inside the inner boiler 11, and the temperature detectors 16 are arranged at equal intervals along the vertical direction, so that the accuracy of detecting the temperature of the inner boiler 11 can be improved, and the accuracy of controlling the heating furnace temperature is further improved.
The air chamber 4 is internally inflated with air into a heating cavity between the heating furnace 1 and the inner boiler 11 through an air blower, and the combustion size can be controlled through the flow of the inflated air so as to realize the temperature control of the heating furnace, so that the temperature control can be controlled by adjusting the inflow flow of fuel gas and the air flow of the inflated air;
specific: the temperature values detected by the plurality of temperature detectors 16 are respectively transmitted to the PLC controller, an average temperature value is calculated, the average temperature value is compared with a preset temperature threshold range, when the average temperature value is greater than the top end value of the temperature threshold range, the PLC indicates that the temperature is high, at this time, the PLC sends out a control instruction of overhigh temperature, the execution controller 18 controls the first electric control valve 6 and the second electric control valve 2 to respectively reduce or even close the opening according to the control instruction, so as to achieve the effect of reducing the temperature, if the average temperature value is less than the bottom end value of the temperature threshold range, the execution controller 18 controls the first electric control valve 6 and the second electric control valve 2 to respectively increase or close the opening according to the control instruction, so as to achieve the effect of increasing the temperature, and if the average temperature value is within the temperature threshold range, the execution controller 18 controls the first electric control valve 6 and the second electric control valve 2 to keep the current opening according to the control instruction.
Example 2:
in a preferred embodiment of the present utility model, as shown in fig. 2, on the basis of example 1, an air deflector 15 is horizontally disposed between the inner boiler 11 and the outlet of the air duct 3 in the inner cavity of the heating furnace 1, and a plurality of air guiding holes are vertically penetrating through the air deflector 15.
In the above scheme, the air deflector 15 can deflect the air blown into the inner cavity of the heating furnace to ensure the uniformity of the air entering the heating cavity, so that the stability and uniformity of the combustion of the burner can be further improved, the problem of negligence of combustion flame can be avoided, and the uniformity and comprehensiveness of the combustion heating of the inner boiler can be ensured.
Example 3:
in a preferred embodiment of the present utility model, as shown in fig. 3, on the basis of example 1 and example 2, each of the temperature detectors 16 is horizontally disposed with its detection end directed toward the central axis of the inner boiler 11, and its rear end is fixed to the inner side wall of the inner boiler 11, and connection lines of the plurality of temperature detectors 16 are disposed in a protection pipe 13 of the inner side wall of the inner boiler 11, the protection pipe 13 being communicated with the inside of the control box 8.
In the above-mentioned scheme, the assembly structure of the temperature detector 16 can further improve the accuracy of detecting the internal temperature of the inner boiler 11, so that the accuracy of subsequent temperature control can be ensured, and the protection pipeline 13 can play a role in heat insulation, so as to effectively protect the connection circuit of the temperature detector 16.
Preferably, a control panel 7 electrically connected to a PLC controller 17 is fixedly installed on the opposite side of the control box 8 from the heating furnace 1.
In the above scheme, the control panel 7 is configured to facilitate the staff to manually control the PLC controller 17 to perform operations such as parameter adjustment, and certainly display data such as a detected temperature value, an introduced gas flow, and a blown air flow, so as to facilitate the staff to obtain the data, and thus make a corresponding control instruction.
Example 4:
in a preferred embodiment of the present utility model, as shown in fig. 2 or fig. 4, on the basis of example 1, example 2 and example 3, the top of the heating furnace 1 is provided with a feed pipe 9 in communication with an inner boiler 11, and the open top edge of the feed pipe 9 is hinged with a cover plate 10 capable of covering the window.
In the above-mentioned scheme, the user is through inlet pipe 9 to throw in the raw materials in the boiler 11 to carry out production and processing, accomplish the input of raw materials after, with apron 10 lid can, the simple operation.
Preferably, the gas branch pipe 5 penetrates through and is fixed on the side wall of the heating furnace 1, the bottom end of the gas branch pipe 12 is welded with the gas branch pipe 5 through spot welding, and the top end of the gas branch pipe 12 is arranged in a sealing mode.
In the above scheme, the gas shunt tube 12 realizes the assembly effect through the gas branch tube 5 so as to be sleeved outside the heating furnace 1 and form a space with the heating furnace, thereby facilitating the combustion heating treatment of the outer surface of the burner.
Preferably, the outer circumferential surface of the inner boiler 11 is fixedly provided with a supporting ring, the lateral surfaces of the supporting ring are respectively fixed on the inner side wall of the heating furnace 1 through a plurality of supporting rods 14, and the inner boiler 11 and the inner side wall of the heating furnace 1 are arranged at intervals.
In the above scheme, the inner boiler 11 is fixedly assembled in the heating furnace 1 through the supporting ring and the supporting rod 14, and the interval formed between the supporting ring and the supporting rod is a heating cavity for assembling the gas shunt pipe 12 so as to heat the inner boiler.
In summary, when the heating furnace temperature control device provided by the utility model is used, the comprehensiveness of heating the inner boiler can be ensured, so that the heating speed is improved, the accuracy of detecting the temperature is ensured, and the accuracy of temperature control is improved.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (7)
1. A heating furnace temperature control apparatus, characterized by comprising: the heating furnace comprises a heating furnace (1), an inner boiler (11) arranged in the inner cavity of the heating furnace, a spiral gas shunt pipe (12) arranged around the outer surface of the inner boiler (11), temperature detectors (16) arranged inside the inner boiler (11) at equal intervals along the vertical direction, and an air chamber (4) communicated with the bottom of the inner cavity of the heating furnace (1) through an air duct (3);
the utility model discloses a heating furnace, including heating furnace (1), including heating furnace, gas branch pipe (5), control box (8), gas branch pipe (5) are provided with gas branch pipe (12) respectively, just gas branch pipe (12) are evenly laid a plurality of burner tips (19) rather than inside being linked together respectively towards one side of interior boiler (11), and a plurality of temperature detector (16) are connected with the inside PLC controller (17) electricity of control box (8) respectively, be provided with first automatically controlled valve (6) of control gas inflow on gas branch pipe (5), be provided with second automatically controlled valve (2) of control air drum inflow on air duct (3), just first automatically controlled valve (6) with second automatically controlled valve (2) are connected with PLC controller (17) electricity through executive control ware (18) respectively.
2. The heating furnace temperature control device according to claim 1, wherein an air deflector (15) is horizontally arranged between the inner boiler (11) and the outlet of the air duct (3) in the inner cavity of the heating furnace (1), and a plurality of air guide holes are formed in the air deflector (15) in a penetrating manner along the vertical direction.
3. A heating furnace temperature control device according to claim 1, characterized in that each of the temperature detectors (16) is horizontally arranged with its detection end directed toward the central axis of the inner boiler (11), its rear end fixed to the inner side wall of the inner boiler (11), and the connection lines of the plurality of temperature detectors (16) are laid in a protection pipe (13) of the inner side wall of the inner boiler (11), the protection pipe (13) being communicated with the inside of the control box (8).
4. The heating furnace temperature control device according to claim 1, characterized in that a control panel (7) electrically connected to a PLC controller (17) is fixedly provided on a side of the control box (8) opposite to the heating furnace (1).
5. The heating furnace temperature control device according to claim 1, characterized in that the top of the heating furnace (1) is provided with a feed pipe (9) communicated with an inner boiler (11), and the top open edge of the feed pipe (9) is hinged with a cover plate (10) capable of covering the opening.
6. The heating furnace temperature control device according to claim 1, wherein the gas branch pipe (5) penetrates through and is fixed on the side wall of the heating furnace (1), the bottom end of the gas branch pipe (12) is welded with the gas branch pipe (5) through spot welding, and the top end of the gas branch pipe (12) is arranged in a sealing manner.
7. The heating furnace temperature control device according to claim 1, wherein the outer circumferential surface of the inner boiler (11) is fixedly provided with a support ring, the side surfaces of the support ring are respectively fixed on the inner side wall of the heating furnace (1) through a plurality of support rods (14), and the inner boiler (11) and the inner side wall of the heating furnace (1) are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223525367.4U CN219161020U (en) | 2022-12-22 | 2022-12-22 | Heating furnace temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223525367.4U CN219161020U (en) | 2022-12-22 | 2022-12-22 | Heating furnace temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219161020U true CN219161020U (en) | 2023-06-09 |
Family
ID=86615919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223525367.4U Active CN219161020U (en) | 2022-12-22 | 2022-12-22 | Heating furnace temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219161020U (en) |
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2022
- 2022-12-22 CN CN202223525367.4U patent/CN219161020U/en active Active
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