CN214048583U - Pulsed heating system for a food fryer - Google Patents
Pulsed heating system for a food fryer Download PDFInfo
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- CN214048583U CN214048583U CN202022866733.7U CN202022866733U CN214048583U CN 214048583 U CN214048583 U CN 214048583U CN 202022866733 U CN202022866733 U CN 202022866733U CN 214048583 U CN214048583 U CN 214048583U
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Abstract
The utility model belongs to the technical field of firing equipment, a pulsed heating system for food deep fryer is related to, gas pipe and air hose including electrically controlled device, combustor and connection combustor, be equipped with combustion-supporting fan, air pressure switch and pulse control valve on the air hose in proper order, be equipped with the air-fuel proportional valve on the gas pipe, the guide mouth of air-fuel proportional valve is connected to the exit node of pulse control valve through the feedback tube, be equipped with the flame detector in the combustor, electrically controlled device is according to air pressure switch and flame detector detected signal control pulse control valve. The system enables the combustor to be adjusted to be the maximum fire in a short time through the pulse control valve, and the combustor is switched to the middle fire after the stabilization, so that the problem of explosion impermeability caused by slow temperature rise after the oil temperature is reduced is avoided.
Description
Technical Field
The utility model relates to a firing equipment technical field, in particular to an impulse type heating system for food fryer.
Background
The conventional double-section fire proportional burner is used in a food fryer at present, when a user keeps oil temperature at 200 ℃, temperature control is required to be accurate, the double-section fire temperature control is not accurate to have deviation of more than +/-5 ℃, the proportional temperature control effect is good, when the user increases the food inlet amount, if 500 kilograms of broad beans are poured into the food at one time, the oil temperature suddenly drops to dozens of ℃ of degrees, the burner is required to be quickly opened to increase the oil temperature to 200 ℃ in the process, otherwise, the broad beans can be not fried completely, the taste is influenced, the proportional burner is a servo motor to control air and gas flow, the servo motor needs 15-30s of time for opening from small fire to large fire, the requirement of instantaneous large fire heating for high manufacturing cost cannot be met, and the relatively simple heating device capable of increasing the production speed is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an pulsed heating system for food deep fryer can heat the rapid recovery temperature with big fire at the initial stage that the oil temperature descends, carries out thermostatic control again, has avoided frying impervious problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides an pulsed heating system for food deep fryer, includes the gas pipe and the air hose of electrically controlled device, combustor and connection combustor, the oil temperature in the electrically controlled device passes through temperature-sensing ware response pot, be equipped with combustion-supporting fan, pulse control valve and air control valve on the air hose in proper order, be equipped with the air-fuel proportional valve on the gas pipe, the guide mouth of air-fuel proportional valve is connected to the node between the air control valve that pulse control valve and through the feedback tube, be equipped with the flame detector in the combustor, electrically controlled device detects signal control pulse control valve according to temperature-sensing ware and flame detector.
Specifically, the gas pipe is provided with an inlet stop valve, a filter and a pressure reducing valve at the inlet side of the air-fuel proportional valve according to the gas flow direction.
Furthermore, an outlet node of the pressure reducing valve is provided with a pressure gauge, and the air pipe is provided with a micro-pressure gauge at the inlet side of the pulse control valve.
Furthermore, the low reaches of relief pressure valve are equipped with high-pressure switch and high-pressure safety trip valve, electrically controlled device is according to the signal control high-pressure safety trip valve that high-pressure switch obtained.
Furthermore, the low reaches of relief pressure valve are equipped with low pressure switch and low pressure safety trip valve, electrically controlled device is according to the signal control low pressure safety trip valve that low pressure switch obtained.
Specifically, an outlet stop valve is arranged on the gas pipe before the gas pipe enters the combustor.
Specifically, an air pressure switch is arranged on the outlet side of the combustion fan of the air pipe, and the electric control device controls the pulse control valve according to a signal obtained by the air pressure switch.
The utility model discloses technical scheme's beneficial effect is:
the system enables the combustor to be adjusted to be the maximum fire in a short time through the pulse control valve, and the combustor is switched to the middle fire after the stabilization, so that the problem of explosion impermeability caused by slow temperature rise after the oil temperature is reduced is avoided.
Drawings
FIG. 1 is a piping diagram of an embodiment pulsed heating system feed location for a food fryer.
The figures in the drawings represent:
1-burner, 11-flame detector;
2-gas pipe, 21-inlet stop valve, 22-filter, 23-pressure reducing valve, 24-pressure gauge, 25 a-high pressure switch, 25 b-low pressure switch, 26 a-high pressure safety stop valve, 26 b-low pressure safety stop valve, 27-air-fuel ratio valve, 28-outlet stop valve;
3-air pipe, 31-combustion fan, 32-air pressure switch, 33-micro-pressure meter, 34-pulse control valve, 35-air regulating valve;
4-a feedback tube;
5-an electric control device, 51-a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example (b):
as shown in fig. 1, the utility model discloses an impulse type heating system for food deep fryer, including electrically controlled device 5, combustor 1 and the gas pipe 2 and the air pipe 3 of connecting combustor 1, electrically controlled device 5 passes through temperature-sensing ware 51 and responds to the oil temperature in the pot, be equipped with combustion-supporting fan 21 on the air pipe 2 in proper order, air pressure switch 22 and pulse control valve 23, be equipped with air-fuel proportional valve 27 on the gas pipe 2, the guide mouth of air-fuel proportional valve 27 is connected to the exit node of pulse control valve 34 through feedback pipe 4, be equipped with flame detector 11 in the combustor 1, electrically controlled device is according to the temperature-sensing ware, air pressure switch 32 and flame detector 11 detect signal control pulse control valve 34. If the temperature of the food fryer is reduced due to the addition of the fuel, the temperature sensor senses the temperature, at the moment, the electric control device can operate the pulse control valve 34 to open within 1s, the burner 1 is heated under the maximum fire until the required oil temperature is approached, then the pulse control valve 34 is switched to the middle fire under the signal of the flame detector 11 to carry out constant temperature control, and the problem of incomplete frying caused by slow temperature rise after the oil temperature is reduced is avoided.
As shown in fig. 1, the gas pipe 2 is provided with an inlet shutoff valve 21, a filter 22, and a pressure reducing valve 23 in the flow direction of gas at the inlet side of the air-fuel ratio valve 27. The inlet shutoff valve 21 is used to shut off the gas, the filter 22 is used to filter impurities in the gas, and the pressure reducing valve 23 is used to reduce the gas source pressure to a suitable level.
As shown in fig. 1, the outlet node of the pressure reducing valve 23 is provided with a pressure gauge 24, and the air tube 3 is provided with a minute pressure gauge 33 on the inlet side of a pulse control valve 34. The pressure gauge 24 and the micro-pressure gauge 33 can visually display the initial pressures of the gas and the air.
As shown in fig. 1, a high-pressure switch 25a and a high-pressure safety shut-off valve 26a are provided downstream of the pressure reducing valve 23, and the electronic control device 5 controls the high-pressure safety shut-off valve 26a according to a signal obtained by the high-pressure switch 25a (the circuit connection is not shown). When the gas pressure exceeds the maximum pressure set by the high-pressure switch 25a, the system can automatically judge that the front part of the gas pipe 2 fails, and the high-pressure safety shut-off valve 26a can be immediately closed to avoid danger.
As shown in fig. 1, a low-pressure switch 25b and a low-pressure safety shut-off valve 26b are provided downstream of the pressure reducing valve 23, and the electronic control device 5 controls the low-pressure safety shut-off valve 26b based on a signal obtained by the low-pressure switch 25b (the circuit connection is not shown). When the gas pressure is always lower than the minimum pressure, the system can automatically judge that the gas pipe 2 has leakage, and the low-pressure safety shut-off valve 26b can be closed to treat leakage-discharge maintenance.
As shown in fig. 1, the gas pipe 2 is provided with an outlet shut-off valve 28 before entering the burner 1. If the front end of the gas pipe 2 is out of control, the worker can manually close the outlet stop valve 28 to ensure safety.
As shown in fig. 1, the air pipe 3 is provided with an air pressure switch 32 at an outlet side of the combustion fan 31, and the electric control device 5 controls a pulse control valve 34 according to a signal obtained by the air pressure switch 32 (a circuit connection relation is not shown). The air pressure switch 32 can know whether the air flow is in a proper range, so that the electronic control device 5 can determine whether the pulse control valve 34 needs to be automatically closed.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (7)
1. A pulsed heating system for a food fryer characterized by: the gas pipe and the air hose that include electrically controlled device, combustor and connect the combustor, electrically controlled device passes through temperature-sensing ware induction pot oil temperature, be equipped with combustion-supporting fan, pulse control valve and air control valve on the air hose in proper order, be equipped with the air-fuel proportional valve on the gas pipe, the guide mouth of air-fuel proportional valve is connected to the node between the air control valve that pulse control valve and through the feedback tube, be equipped with the flame detector in the combustor, electrically controlled device controls the pulse control valve according to temperature-sensing ware and flame detector detected signal.
2. The pulsed heating system for a food fryer of claim 1, wherein: the gas pipe is provided with an inlet stop valve, a filter and a pressure reducing valve at the inlet side of the air-fuel proportional valve according to the gas flow direction.
3. A pulsed heating system for a food fryer according to claim 2, wherein: the outlet node of the pressure reducing valve is provided with a pressure gauge, and the air pipe is provided with a micro-pressure gauge at the inlet side of the pulse control valve.
4. A pulsed heating system for a food fryer according to claim 2, wherein: the low reaches of relief pressure valve are equipped with high-pressure switch and high-pressure safety trip valve, electrically controlled device is according to the signal control high-pressure safety trip valve that high-pressure switch obtained.
5. A pulsed heating system for a food fryer according to claim 2, wherein: the low reaches of relief pressure valve are equipped with low pressure switch and low pressure safety trip valve, electrically controlled device is according to the signal control low pressure safety trip valve that low pressure switch obtained.
6. The pulsed heating system for a food fryer of claim 1, wherein: and an outlet stop valve is arranged before the gas pipe enters the combustor.
7. The pulsed heating system for a food fryer of claim 1, wherein: and an air pressure switch is arranged on the outlet side of the combustion fan of the air pipe, and the electric control device controls the pulse control valve according to a signal obtained by the air pressure switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866733.7U CN214048583U (en) | 2020-12-03 | 2020-12-03 | Pulsed heating system for a food fryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866733.7U CN214048583U (en) | 2020-12-03 | 2020-12-03 | Pulsed heating system for a food fryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214048583U true CN214048583U (en) | 2021-08-27 |
Family
ID=77405630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022866733.7U Active CN214048583U (en) | 2020-12-03 | 2020-12-03 | Pulsed heating system for a food fryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214048583U (en) |
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2020
- 2020-12-03 CN CN202022866733.7U patent/CN214048583U/en active Active
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