CN216448207U - Electric heating direct heating type liquid hydrocarbon gasification device - Google Patents
Electric heating direct heating type liquid hydrocarbon gasification device Download PDFInfo
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- CN216448207U CN216448207U CN202123128399.6U CN202123128399U CN216448207U CN 216448207 U CN216448207 U CN 216448207U CN 202123128399 U CN202123128399 U CN 202123128399U CN 216448207 U CN216448207 U CN 216448207U
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Abstract
The utility model provides an electric heating directly-heated liquid hydrocarbon gasification device, which is characterized by comprising an explosion-proof electric heater junction box, an outer cover shell, an explosion-proof control box, an explosion-proof cable, a stainless steel electric heating pipe, a baffle plate, an explosion-proof thermal resistor, a tuning fork liquid level switch, a safety valve root valve, a safety relief valve, a wire mesh demister, a temperature sensing bag, a blowdown ball valve, an air outlet ball valve and a liquid inlet electromagnetic valve, wherein the explosion-proof control box is connected with the explosion-proof cable through the explosion-proof electric heating pipe; after entering the outer cover shell, the liquid hydrocarbon directly exchanges heat with the stainless steel electric heating pipe in the outer cover shell, after being disturbed by the baffle plates, the heat exchange with the heat exchange pipe in a vertical and crossed way is realized, the gaseous hydrocarbon is discharged into a rear-end pipe network from the air outlet ball valve at the upper end of the outer cover shell after three processes of liquid temperature rise, saturated gasification and gas overheating of the liquid hydrocarbon are realized, an intermediate heating medium is not needed in the directly-heated heat exchange, the intermediate heat transfer process is correspondingly reduced, and the directly-heated heat exchange device is high in heat exchange efficiency, compact in structure and small in size.
Description
Technical Field
The utility model relates to the technical field of liquid hydrocarbon gasification, in particular to an electric heating direct-heating type liquid hydrocarbon gasification device.
Background
At present, liquid hydrocarbon (liquefied petroleum gas LPG) is widely applied as one of high-heat value energy sources, particularly for areas where a natural gas pipe network cannot reach, liquid hydrocarbon in a small storage tank is heated and gasified to serve as a point energy supply source to serve energy consuming users such as hotels, restaurants or heat energy-requiring factories, a traditional liquid hydrocarbon gasifier is of a coil water bath type structure and is provided with intermediate heat medium heat exchange, the intermediate heat medium is generally water or heat conducting oil, an electric heating pipe below a cylinder body heats the intermediate heat medium, the temperature of the heat medium is controlled within a certain range, the intermediate heat medium transfers heat to the liquid hydrocarbon in a heat exchange coil, the liquid hydrocarbon is heated, gasified and overheated in the heat exchange coil, a header is arranged at the gas outlet end of the coil to carry out gas-liquid separation and liquid level monitoring, the conventional gasifier is low in heat exchange efficiency, large in equipment volume and heat exchange area, large in heat dissipation loss, high in equipment cost, particularly heavy in volume of a small-specification gasifier, is not suitable for migration and use and cannot meet the market demand.
Disclosure of Invention
The present invention is directed to an electrically heated direct-heating type liquid hydrocarbon gasification apparatus, which solves the problems of the background art described above and satisfies the function of safe use of the apparatus.
In order to achieve the purpose, the utility model provides the following technical scheme:
according to the technical problems, the utility model provides an electric heating direct heating type liquid hydrocarbon gasification device which is characterized by comprising an explosion-proof electric heater junction box, an outer cover shell, an explosion-proof control box, an explosion-proof cable, a stainless steel electric heating pipe, a baffle plate, an explosion-proof thermal resistor, a tuning fork liquid level switch, a safety valve root valve, a safety blow-off valve, a wire mesh demister, a temperature sensing bag, a blow-off ball valve, an air outlet ball valve and a liquid inlet electromagnetic valve, wherein the stainless steel electric heating pipe is connected to the upper side of the explosion-proof electric heater junction box, the outer side of the stainless steel electric heating pipe is provided with the outer cover shell, the baffle plate is arranged on the inner side of the outer cover shell through a bolt and penetrates through the stainless steel electric heating pipe, the wire mesh demister is arranged inside the outer cover shell, the explosion-proof thermal resistor, the tuning fork liquid level switch, the safety valve root valve, the blow-off ball valve, the air outlet ball valve and the liquid inlet electromagnetic valve are respectively arranged outside the outer cover shell, the other side of the safety valve root valve is connected with the safety relief valve, a temperature sensing bag is further arranged inside the stainless steel electric heating pipe, and an explosion-proof control box and an explosion-proof cable are arranged outside the outer cover shell.
Furthermore, the temperature of the stainless steel electric heating pipe is automatically controlled according to the explosion-proof thermal resistance signal of the gas outlet.
Furthermore, a temperature sensing thermocouple is arranged outside the stainless steel electric heating pipe to monitor the temperature of the outer wall of the heat exchange pipe in real time, and the heat flow density of the stainless steel electric heating pipe is not more than 2w/cm2。
Furthermore, the outer part of the outer cover shell is respectively provided with a thermometer and a pressure gauge root valve, and the other side of the pressure gauge root valve is connected with a pressure gauge.
Further, be provided with liquid hydrocarbon in the dustcoat casing, liquid hydrocarbon entry is equipped with explosion-proof solenoid valve, and through explosion-proof control panel and explosion-proof tuning fork liquid level switch interlocking, the liquid level is too high in the casing, and tuning fork liquid level switch sends the automatic explosion-proof solenoid valve that cuts off of signal.
Further, low-temperature hydrocarbon is arranged in the outer cover shell.
The utility model has the beneficial effects that: 1. in the utility model, after entering the outer cover shell, the liquid hydrocarbon directly exchanges heat with the stainless steel electric heating tube in the outer cover shell, after being disturbed by the baffle plate, the vertical cross heat exchange with the heat exchange tube is realized, the gaseous hydrocarbon is discharged into a rear-end pipe network from the air outlet ball valve at the upper end of the outer cover shell after the three processes of liquid temperature rise, saturated gasification and gas overheating of the liquid hydrocarbon are realized, the direct-heating heat exchange does not need an intermediate heating medium, the intermediate heat transfer process is correspondingly reduced, the heat exchange efficiency is high, the structure is compact, the volume is small, the start and stop of the stainless steel electric heating pipe are controlled by the air outlet temperature, the air outlet temperature is more easily stabilized in a certain range, the air outlet temperature is not greatly fluctuated due to the change of the air consumption at the rear end, meanwhile, the temperature sensing thermocouple is arranged on the outer wall of the stainless steel electric heating tube, and the electric heater is automatically turned off by the temperature-rise control system, so that dry burning of the electric heating tube is effectively avoided, and the use safety of the equipment is ensured.
2. According to the utility model, liquid hydrocarbon is located in the outer housing, the liquid level is easier to monitor than that of a coil type heat exchanger due to the volumetric existence, the liquid inlet electromagnetic valve is interlocked with the explosion-proof tuning fork liquid level switch through the explosion-proof control disc, the liquid level in the housing is too high, and the explosion-proof electromagnetic valve is automatically cut off by the tuning fork liquid level switch sending a signal, so that the danger caused by the liquid passing of equipment is prevented. Meanwhile, a wire mesh demister is arranged in the outer cover shell, heavy components and fog drops in outlet gas can be removed more easily, and liquid is prevented from entering a rear-end gas pipeline to cause danger. The side wall of the outer casing body is provided with a thermometer and a pressure gauge, the state of hydrocarbon media in the gasifier is displayed in real time, the top end of the outer casing body is provided with a safety relief valve, and the pressure in the casing body is overhigh, so that the pressure is automatically relieved, and the working safety of the system is ensured.
3. In the utility model, the low-temperature hydrocarbon is positioned in the shell, the heating pipe is arranged in the middle, no intermediate heating medium is used, the temperature of the periphery of the equipment is basically normal temperature, almost no heat loss exists, no external heat preservation is needed, and the energy-saving and environment-friendly effects are achieved.
Drawings
FIG. 1 is a front sectional view of an electrically heated direct-heating type liquid hydrocarbon gasification apparatus;
fig. 2 is a side sectional view of an electrically heated direct-heating type liquid hydrocarbon gasification apparatus.
As shown in the figure, an explosion-proof electric heater junction box (1), an outer cover shell (2), an explosion-proof control box, an explosion-proof cable (3), a stainless steel electric heating pipe (4), a baffle plate (5), an explosion-proof thermal resistor (6), a tuning fork liquid level switch (7), a safety valve root valve (8), a safety relief valve (9), a wire mesh demister (10), a thermometer (11), a pressure gauge root valve (12), a pressure gauge (13), a temperature sensing bag (14), a blowdown ball valve (15), an air outlet ball valve (16) and a liquid inlet electromagnetic valve (17).
Detailed Description
Example 1
The utility model provides an electric heating direct heating type liquid hydrocarbon gasification device which is characterized by comprising an explosion-proof electric heater connection box 1, an outer cover shell 2, an explosion-proof control box, an explosion-proof cable 3, a stainless steel electric heating pipe 4, a baffle plate 5, an explosion-proof thermal resistor 6, a tuning fork liquid level switch 7, a safety valve root valve 8, a safety blow-off valve 9, a silk screen demister 10, a temperature sensing bag 14, a sewage discharge ball valve 15, an air outlet ball valve 16 and a liquid inlet electromagnetic valve 17, wherein the stainless steel electric heating pipe 4 is connected to the upper side of the explosion-proof electric heater connection box 1, the outer cover shell 2 is arranged on the outer side of the stainless steel electric heating pipe 4, the baffle plate 5 is arranged on the inner side of the outer cover shell 2 through bolts, the baffle plate 5 penetrates through the stainless steel electric heating pipe 4, the silk screen demister 10 is arranged inside the outer cover shell 2, the explosion-proof thermal resistor 6, the tuning fork liquid level switch 7, the safety valve root valve 8 and the sewage discharge ball valve 15 are respectively arranged outside the outer cover shell 2, An air outlet ball valve 16 and a liquid inlet electromagnetic valve 17, the other side of a safety valve root valve 8 is connected with a safety relief valve 9, a temperature sensing bulb 14 is further arranged inside the stainless steel electric heating pipe 4, and an explosion-proof control box and an explosion-proof cable 3 are arranged outside the outer cover shell 2.
Further, the temperature of the stainless steel electric heating tube 4 is automatically controlled according to the signal of the gas outlet explosion-proof thermal resistor 6.
Further, a temperature sensing thermocouple is arranged outside the stainless steel electric heating tube 4 to monitor the temperature of the outer wall of the heat exchange tube in real time, and the heat flow density of the stainless steel electric heating tube 4 is not more than 2w/cm2。
Further, the outer part of the outer cover shell 2 is respectively provided with a thermometer 11 and a pressure gauge 13, and the other side of the pressure gauge 13 provided with the pressure gauge 12 is connected with a pressure gauge 13.
Further, the liquid hydrocarbon inlet is provided with an explosion-proof electromagnetic valve which is interlocked with an explosion-proof tuning fork liquid level switch 7 through an explosion-proof control panel, the liquid level in the shell is too high, and the tuning fork liquid level switch 7 sends a signal to automatically cut off the explosion-proof electromagnetic valve.
Further, low-temperature hydrocarbons are provided in the housing case 2.
Example 2
When the utility model is used, liquid hydrocarbon enters the outer cover shell 2 and then directly exchanges heat with the stainless steel electric heating pipe 4 in the outer cover shell 2, after being disturbed by the baffle plate 5, the heat exchange with the heat exchange pipe is realized in a vertical and crossed way, the three processes of liquid temperature rise, saturation gasification and gas overheating of the liquid hydrocarbon are realized, and then the gaseous hydrocarbon is discharged into a rear end pipe network from the air outlet ball valve 16 at the upper end of the outer cover shell 2, the direct-heating type heat exchange does not need an intermediate heating medium, the intermediate heat transfer process is correspondingly reduced, the heat exchange efficiency is high, the structure is compact, the volume is small, the starting and stopping of the stainless steel electric heating pipe 4 are controlled by the air outlet temperature, the air outlet temperature is more easily stabilized within a certain range, the air outlet temperature cannot be greatly fluctuated due to the change of the air consumption at the rear end, meanwhile, the temperature sensing thermocouple is arranged on the outer wall of the stainless steel electric heating pipe 4, the electric heater is automatically closed by a temperature ultrahigh control system, and the dry burning of the electric heating pipe is effectively avoided, the use safety of the equipment is ensured.
According to the utility model, liquid hydrocarbon is arranged in the outer cover shell 2, the liquid level is easier to monitor than that of a coil type heat exchanger due to the volumetric existence, the liquid inlet electromagnetic valve 17 is interlocked with the explosion-proof tuning fork liquid level switch 7 through the explosion-proof control disc, the liquid level in the shell is too high, and the explosion-proof electromagnetic valve is automatically cut off by sending a signal by the tuning fork liquid level switch 7, so that the danger caused by the liquid passing of equipment is prevented. Meanwhile, the wire mesh demister 10 is arranged in the outer cover shell 2, heavy components and fog drops in outlet gas can be removed more easily, and liquid is prevented from entering a rear-end gas pipeline to cause danger. The side wall of the outer cover shell 2 is provided with a thermometer 11 and a pressure gauge 13, the state of hydrocarbon media in the gasifier is displayed in real time, the top end of the outer cover shell is provided with a safety relief valve 9, and the pressure in the shell is automatically relieved due to overhigh pressure, so that the working safety of the system is ensured.
The low-temperature hydrocarbon is arranged in the shell, the heating pipe is arranged in the middle, no intermediate heating medium is used, the temperature of the periphery of the equipment is basically normal temperature, almost no heat loss exists, no external heat preservation is needed, and the energy-saving and environment-friendly effects are achieved;
according to the utility model, the temperature of the stainless steel electric heating pipe 4 is automatically controlled according to the signal of the gas outlet flame-proof thermal resistor 6, the gas outlet temperature reaches a set low temperature limit (55 ℃ is adjustable), the temperature controller in the explosion-proof control box automatically turns on the electric heater, the gas outlet temperature reaches a set high temperature limit (65 ℃ is adjustable), and the temperature controller in the explosion-proof control box automatically turns off the electric heater, so that the gas outlet temperature is maintained within a certain range, and the condensation of gas with too low temperature and the coking of liquid hydrocarbon with too high temperature are prevented.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The electric heating direct heating type liquid hydrocarbon gasification device is characterized by comprising an explosion-proof electric heater junction box, an outer cover shell, an explosion-proof control box, an explosion-proof cable, a stainless steel electric heating pipe, a baffle plate, an explosion-proof thermal resistor, a tuning fork liquid level switch, a safety valve root valve, a safety blow-off valve, a silk screen demister, a temperature sensing bag, a blowdown ball valve, an air outlet ball valve and a liquid inlet electromagnetic valve, wherein the stainless steel electric heating pipe is connected to the upper side of the explosion-proof electric heater junction box, the outer side of the stainless steel electric heating pipe is provided with the outer cover shell, the baffle plate is installed on the inner side of the outer cover shell through bolts, the baffle plate penetrates through the stainless steel electric heating pipe, the silk screen demister is arranged inside the outer cover shell, the explosion-proof thermal resistor, the tuning fork liquid level switch, the safety valve root valve, the blowdown ball valve, the air outlet ball valve and the liquid inlet electromagnetic valve are respectively assembled outside the outer cover shell, and the other side of the safety blow-off valve is connected with the safety blow-off valve, the stainless steel electric heating tube is characterized in that a temperature sensing bulb is further arranged inside the stainless steel electric heating tube, and an explosion-proof control box and an explosion-proof cable are arranged outside the outer cover shell.
2. An electrically heated direct-heated liquid hydrocarbon gasification apparatus as claimed in claim 1, wherein the temperature of said stainless steel electric heating tube is automatically controlled according to the explosion-proof thermal resistance signal of the gas outlet.
3. The electrically heated direct-heated liquid hydrocarbon gasifier as claimed in claim 1, wherein a temperature sensing thermocouple is disposed outside said stainless steel electric heating tube for real-time monitoring of the temperature of the outer wall of the heat exchange tube, and the heat flux density of said stainless steel electric heating tube is not more than 2w/cm2。
4. An electrically heated direct-heated liquid hydrocarbon gasification apparatus according to claim 1, wherein a thermometer and a pressure gauge valve are respectively provided outside the housing case, and a pressure gauge is connected to the other side of the pressure gauge valve.
5. An electrically heated direct-heating type liquid hydrocarbon gasification apparatus as claimed in claim 1, wherein the liquid hydrocarbon is provided in the housing, the liquid hydrocarbon inlet is provided with an explosion-proof solenoid valve, and is interlocked with an explosion-proof tuning fork liquid level switch through an explosion-proof control panel, the liquid level in the housing is too high, and the tuning fork liquid level switch sends a signal to automatically cut off the explosion-proof solenoid valve.
6. An electrically heated, direct heated liquid hydrocarbon gasifier apparatus as claimed in claim 1 wherein said outer shell contains cryogenic hydrocarbons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123128399.6U CN216448207U (en) | 2021-12-13 | 2021-12-13 | Electric heating direct heating type liquid hydrocarbon gasification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123128399.6U CN216448207U (en) | 2021-12-13 | 2021-12-13 | Electric heating direct heating type liquid hydrocarbon gasification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216448207U true CN216448207U (en) | 2022-05-06 |
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ID=81376300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123128399.6U Active CN216448207U (en) | 2021-12-13 | 2021-12-13 | Electric heating direct heating type liquid hydrocarbon gasification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216448207U (en) |
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2021
- 2021-12-13 CN CN202123128399.6U patent/CN216448207U/en active Active
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