CN210231425U - Gas heating control system - Google Patents
Gas heating control system Download PDFInfo
- Publication number
- CN210231425U CN210231425U CN201921066907.2U CN201921066907U CN210231425U CN 210231425 U CN210231425 U CN 210231425U CN 201921066907 U CN201921066907 U CN 201921066907U CN 210231425 U CN210231425 U CN 210231425U
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- control system
- combustion chamber
- sand
- combustion
- gas
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Abstract
The utility model relates to a gas heating control system, which comprises a base, a combustion chamber, a transmission mechanism, a combustion mechanism and a pressure adjusting mechanism; the pressure adjusting mechanism comprises a pressure sensor, a pressure controller and a master control system, wherein the pressure sensor is positioned in the combustion chamber and is close to one side of the transmission mechanism; the pressure sensor is directly connected with the master control system, and the pressure controller is connected with the combustion mechanism. Through the regulation of the pressure regulating mechanism, not only can the raw sand be quickly and uniformly heated, but also the heating process can be controlled in real time.
Description
Technical Field
The utility model relates to a tectorial membrane sand production technical field, especially a gas heating control system.
Background
In the production and processing process of the precoated sand, the raw sand needs to be preheated. The traditional heating equipment adopts external coal combustion, so that the heat loss is large and the heating is uneven.
Notice No. CN207214033U discloses a tectorial membrane sand heating device, adopts natural gas direct combustion heating former sand, and heating efficiency is high. However, the temperature is too high during heating, so that the size of the heating flame cannot be observed, and the heating intensity can be adjusted in time. In the heating process, the flame is extinguished due to the flying of the raw sand, and the preheating operation is affected.
The utility model discloses a chinese utility model patent that publication number is CN206755163U discloses a gas heater for tectorial membrane sand production line, the utility model discloses a gas heater for tectorial membrane sand production line through set up flame detector at the burner port end, can be fast, accurate ignition burning, has high combustion efficiency, powerful controllability and security. However, the flame detector can only detect the flame at the combustion port, so that the overall heating condition of the raw sand during heating cannot be controlled.
In view of the above problems, it is desirable to provide a gas heating control system, which can not only realize rapid and uniform heating of raw sand, but also control the heating process in real time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas heating control system, through pressure adjustment mechanism's regulation, not only can realize quick, even heating former sand, and can carry out real time control to the heating process.
In order to achieve the purpose of the utility model, the gas heating control system is characterized by comprising a base, a combustion cavity, a transmission mechanism, a combustion mechanism and a pressure adjusting mechanism;
the bottom of the combustion chamber is fixed on the base, a feed inlet, a discharge outlet and an exhaust port are arranged on the combustion chamber, and a sand blower is also arranged in the combustion chamber;
the transmission mechanism and the combustion mechanism are both positioned outside the combustion chamber, the transmission mechanism is positioned on one side of the combustion chamber, and the combustion mechanism is arranged on the other side of the combustion chamber; the transmission mechanism is connected with the sand thrower;
the pressure adjusting mechanism comprises a pressure sensor, a pressure controller and a master control system, wherein the pressure sensor is positioned in the combustion chamber and is close to one side of the transmission mechanism; the pressure sensor is directly connected with the master control system, and the pressure controller is connected with the combustion mechanism.
Preferably, the master control system is a closed-loop control system.
Further, the closed-loop control system is a PLC control system.
Preferably, the pressure sensors are 3.
Preferably, one side of the combustion chamber close to the combustion mechanism is provided with an air supply channel, and the air supply channel is positioned on the axis of the combustion chamber.
Further, the combustion mechanism comprises a gas supply pipeline, an air supply pipeline, an igniter and a flame nozzle, wherein flow regulating valves are arranged on the gas supply pipeline and the air supply pipeline, and the flow regulating valves are connected to the pressure controller; the gas supply pipeline and the air supply pipeline are inserted into the combustion chamber through the gas supply channel; the bocca is established the end of gas supply line and air supply line, some firearm is located on the air feed channel, and establish bocca with the junction of gas supply line.
Preferably, the transmission mechanism comprises a motor, a speed reducer is connected to the motor, a transmission belt is arranged on the speed reducer, the transmission belt is connected with the sand thrower, and the sand thrower is rotated under the driving action of the motor.
Preferably, a sand shovel is fixedly arranged on the outer surface of the sand-throwing device.
Furthermore, the sand shovel is of a groove structure, and the groove direction of the sand shovel is consistent with the rotating direction of the sand raising device.
The utility model discloses a gas heating control system's theory of operation as follows:
after raw sand is injected into the combustion chamber through the feed inlet, the feed inlet is closed, the transmission mechanism is started, the sand thrower rotates under the action of the transmission mechanism, and at the moment, the sand shovel rotates along with the sand thrower, so that the sand throwing and the stirring of the raw sand are realized; starting a pressure adjusting mechanism, wherein at the moment, a pressure sensor positioned at an exhaust port transmits a pressure signal in a combustion chamber into a master control system, and the master control system transmits an opening signal to a pressure controller, at the moment, a gas flow adjusting valve arranged on the combustion mechanism is opened, and the pressure in the combustion chamber is changed; if the pressure in the combustion chamber is too high, the master control system adjusts the gas flow regulating valve to be small through the pressure controller; if the pressure in the combustion chamber is too small, the master control system adjusts the gas flow regulating valve to be large through the pressure controller; through repeated adjustment of the pressure adjusting mechanism, the pressure in the combustion chamber is controlled within a proper range, and therefore the raw sand is uniformly heated in the combustion chamber.
Compared with the prior art, the utility model discloses a gas heating control system's advantage lies in: through the adjustment of the pressure adjusting mechanism, the raw sand can be quickly and uniformly heated, the heating process can be controlled in real time, and the safety and reliability of the heating process are ensured; and the utilization rate of heating energy is maximized by pressure regulation, and the fuel is saved.
Drawings
Fig. 1 is a front view of a gas heating control system according to the present invention;
FIG. 2 is a cross-sectional view of a combustion chamber of the present invention;
FIG. 3 is a schematic structural view of the sand blower of the present invention;
fig. 4 is a schematic structural view of the combustion mechanism of the present invention;
fig. 5 is a schematic structural diagram of the transmission mechanism of the present invention;
reference numerals:
1. a base;
2. a combustion chamber; 21. a feed inlet; 22. a discharge port; 23. an exhaust port; 24. a gas supply channel; 25. a sand blower;
3. a transmission mechanism; 31. a motor; 32. a speed reducer; 33. a transmission belt;
4. a combustion mechanism; 41. a gas supply conduit; 42. an air supply duct; 43. an igniter; 44. a flame nozzle; 45. a flow regulating valve;
5. a pressure adjusting mechanism; 51. a pressure sensor; 52. a pressure controller; 53. and (4) a master control system.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. The following examples are intended only to aid those skilled in the art in understanding the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 4, the gas heating control system of the present invention comprises a base 1, a combustion chamber 2, a transmission mechanism 3, a combustion mechanism 4 and a pressure adjusting mechanism 5, wherein the bottom of the combustion chamber 2 is fixed on the base 1, the combustion chamber 2 is provided with a feeding port 21, a discharging port 22 and an exhaust port 23, and the combustion chamber 2 is further provided with a sand blower 25; the transmission mechanism 3 and the combustion mechanism 4 are both positioned outside the combustion chamber 2, the transmission mechanism 3 is positioned on one side of the combustion chamber 2, and the combustion mechanism 4 is arranged on the other side of the combustion chamber 2; the transmission mechanism 3 is connected to the sand blower 25, and the sand blower 25 rotates along with the transmission mechanism 3.
The pressure adjusting mechanism 5 comprises a pressure sensor 51, a pressure controller 52 and a general control system 53, wherein the pressure sensor 51 is positioned in the combustion chamber 2 and is close to one side of the transmission mechanism 3. The pressure sensor 51 is directly connected to the general control system 53, and transmits the sensed pressure in the combustion chamber 2 to the general control system 53. The pressure controller 52 is connected with the combustion mechanism 4, and when the pressure in the combustion chamber 2 is too high or too low, the master control system 53 transmits a signal to the pressure controller 52, so that the air supply quantity of the fuel mechanism 4 is controlled. In order to more accurately monitor the pressure within the combustion chamber 2, a plurality of pressure sensors 51 are typically provided within the combustion chamber 2. Preferably, the pressure sensors are 3. The general control system 53 mentioned in the utility model can be a PLC control system, and is more suitable for reliable control application in industrial fields; the pressure sensor 51, the pressure controller 52 and the combustion mechanism 4 together form a closed-loop control system, namely, the controlled object is the pressure in the combustion chamber 2, the controller is the pressure controller 52, the actuating mechanism is the combustion mechanism 4, and the detection feedback device is the pressure sensor 51.
Further, the combustion mechanism 4 includes a gas supply pipe 41, an air supply pipe 42, an igniter 43 and a burner 44, flow control valves 45 are provided on the gas supply pipe 41 and the air supply pipe 42, the flow control valves 45 are connected to the pressure controller 52, and the pressure controller 52 is provided to adjust the opening amount of the flow control valves 45; an air supply channel 24 is arranged on one side of the combustion chamber 2 close to the combustion mechanism 4, the air supply channel 24 is positioned on the axis of the combustion chamber 2, and the fuel gas supply pipeline 41 and the air supply pipeline 42 are inserted into the combustion chamber 2 through the air supply channel 24; the burner 44 is provided at the ends of the gas supply pipe 41 and the air supply pipe 42, and the igniter 43 is located on the gas supply passage 24 and provided at the junction of the burner 44 and the gas supply pipe 41.
The transmission mechanism 3 comprises a motor 31, a speed reducer 32 is connected to the motor 31, a transmission belt 33 is arranged on the speed reducer 32, the transmission belt 33 is connected with the sand ejector 25, and the sand ejector 25 is driven to rotate by the motor 31.
As a further scheme of the utility model, for the even heating the fixed surface of sand raising device 25 is equipped with sand shovel 251, sand shovel 251 is groove structure such as L type, arc, sand shovel 251's recess direction with sand raising device 25's direction of rotation is unanimous. When the sand thrower 25 rotates, the groove on the sand shovel 251 can carry a large amount of raw sand, so that the sand throwing effect is achieved; meanwhile, the sand shovel 251 can continuously stir the raw sand in the combustion chamber 2, so that a rapid and efficient uniform heating process is realized, the heating time is shortened, and the timeliness of the working procedures is improved.
The utility model discloses a gas heating control system's theory of operation as follows:
after injecting the raw sand into the combustion chamber 2 through the feed port 21, closing the feed port 21, starting the transmission mechanism 3, rotating the sand blower under the action of the transmission mechanism 3, and rotating the sand shovel 251 along with the sand blower 25 to realize the sand blowing and stirring of the raw sand; starting the pressure regulating mechanism 5, at this time, the pressure sensor 51 positioned at the exhaust port 23 transmits a pressure signal in the combustion chamber 2 into the master control system 53, and the master control system 53 transmits an opening signal to the pressure controller 52, at this time, the gas flow regulating valve 45 arranged on the combustion mechanism 4 is opened, and the pressure in the combustion chamber 2 changes; if the pressure in the combustion chamber 2 is too high, the master control system 53 adjusts the gas flow regulating valve to be small through the pressure controller 52; if the pressure in the combustion chamber 2 is too small, the master control system 53 adjusts the gas flow regulating valve to be large through the pressure controller 52; through the repeated adjustment of the pressure adjusting mechanism 5, the pressure in the combustion chamber 2 is controlled in a proper range, so that the raw sand is uniformly heated in the combustion chamber 2.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.
In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. A fuel gas heating control system is characterized by comprising a base, a combustion cavity, a transmission mechanism, a combustion mechanism and a pressure adjusting mechanism;
the bottom of the combustion chamber is fixed on the base, a feed inlet, a discharge outlet and an exhaust port are arranged on the combustion chamber, and a sand blower is also arranged in the combustion chamber;
the transmission mechanism and the combustion mechanism are both positioned outside the combustion chamber, the transmission mechanism is positioned on one side of the combustion chamber, and the combustion mechanism is arranged on the other side of the combustion chamber; the transmission mechanism is connected with the sand thrower;
the pressure adjusting mechanism comprises a pressure sensor, a pressure controller and a master control system, the pressure sensor is positioned in the combustion chamber and close to one side of the transmission mechanism, and the pressure sensor is electrically connected with the master control system; the pressure controller is arranged in the combustion mechanism and is electrically connected with the master control system.
2. The gas heating control system as claimed in claim 1, wherein the master control system, the pressure sensor, the pressure controller and the combustion mechanism together form a closed-loop control system.
3. A gas fired heating control system as claimed in claim 2 wherein the closed loop control system is a PLC control system.
4. A gas fired heating control system as defined in claim 1 wherein said pressure sensors are provided in total in 3 numbers distributed on the side walls of said combustion chamber.
5. A gas fired heating control system as claimed in claim 1 wherein a gas feed passage is provided on the side of the combustion chamber adjacent the combustion means, said gas feed passage being located on the axis of the combustion chamber.
6. The gas heating control system according to claim 5, wherein the combustion mechanism comprises a gas supply pipe, an air supply pipe, an igniter and a burner, flow regulating valves are provided on the gas supply pipe and the air supply pipe, and the flow regulating valves are connected with the pressure controller; the gas supply pipeline and the air supply pipeline are inserted into the combustion chamber through the gas supply channel; the bocca is established the end of gas supply line and air supply line, some firearm is located on the air feed channel, and establish bocca with the junction of gas supply line.
7. The gas heating control system as claimed in claim 1, wherein the transmission mechanism comprises a motor, a speed reducer is connected to the motor, a transmission belt is arranged on the speed reducer, the transmission belt is connected to the sand ejector, and the sand ejector is rotated under the driving action of the motor.
8. The gas heating control system as claimed in claim 1, wherein a sand shovel is fixed on the outer surface of the sand blower.
9. The gas heating control system as claimed in claim 8, wherein the sand shovel is of a groove structure, and the groove direction of the sand shovel is consistent with the rotation direction of the sand thrower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066907.2U CN210231425U (en) | 2019-07-09 | 2019-07-09 | Gas heating control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066907.2U CN210231425U (en) | 2019-07-09 | 2019-07-09 | Gas heating control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210231425U true CN210231425U (en) | 2020-04-03 |
Family
ID=69990443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921066907.2U Expired - Fee Related CN210231425U (en) | 2019-07-09 | 2019-07-09 | Gas heating control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210231425U (en) |
-
2019
- 2019-07-09 CN CN201921066907.2U patent/CN210231425U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20210709 |