CN217760936U - Crude oil conveying electric heating water jacket furnace - Google Patents
Crude oil conveying electric heating water jacket furnace Download PDFInfo
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- CN217760936U CN217760936U CN202221617805.7U CN202221617805U CN217760936U CN 217760936 U CN217760936 U CN 217760936U CN 202221617805 U CN202221617805 U CN 202221617805U CN 217760936 U CN217760936 U CN 217760936U
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Abstract
The utility model discloses a crude oil conveying electric heating water jacket furnace, which comprises a heat exchange coil pipe, wherein an oil inlet pipeline of the water jacket furnace is connected with an inlet of the heat exchange coil pipe; the heat exchange coil in the shell of the water jacket furnace is divided into a peak-period heat exchange coil and a valley-period increased heat exchange coil, and the peak-period heat exchange coil is communicated with the valley-period increased heat exchange coil; the oil outlet pipeline of the water jacket furnace, the peak-period heat exchange coil and the valley-period heat exchange coil are all connected with a crude oil flow direction switching valve arranged outside the shell of the water jacket furnace; and the signal cables and the power cables of the shell temperature detector, the electric heating rod and the oil outlet pipeline temperature detector are electrically connected with the heat exchange controller. The heat energy stored in the valley period is gradually and slowly released by changing the heat exchange area of the heat exchange coil in the heating furnace, and the crude oil is output and heated for 24 hours all the day of the oil well, so that the production requirement of oil well temperature rise and return pressure reduction can be met, the electric charge of the electric heating water jacket furnace can be reduced, and the operation cost of the oil well is reduced.
Description
Technical Field
The utility model relates to a heating device of oil industry oil recovery well head crude oil transportation, especially a crude oil transportation electrical heating water jacket furnace.
Background
Over ten years ago, the heating equipment for conveying crude oil at the wellhead of an oil production well in an oil field is mainly a water jacket furnace heated by fuel gas, and most of fuel is oil well casing gas. The crude oil produced by the oil well is heated and warmed by the wellhead heating furnace, so that the viscosity of the crude oil can be reduced, the flow resistance of the crude oil output is reduced, the wellhead back pressure is reduced, and the yield of the oil well is improved.
In recent years, with the increasing requirements of the country on environmental protection, the components of casing gas used for heating the water jacket furnace are complex, most of the casing gas is not purified, and discharged substances of the wellhead gas water jacket furnace taking the casing gas as fuel basically do not reach the standard after detection, so that the wellhead gas water jacket furnace is required to be stopped gradually, and wellhead electric heating equipment begins to be applied in a large quantity.
The well mouth electric heating equipment that the oil field was being used is various, has electromagnetic heater, electric heating rod conduction oil heater, skin heater etc. though the heating principle is different, but the automatic control principle is unanimous. The temperature sensor arranged on the oil outlet pipeline of the heating furnace senses the heated temperature of the crude oil, and when the temperature of the crude oil is heated to a set upper limit temperature value, the electric heating equipment stops working through the heating control device; when the temperature of the crude oil is reduced to a set lower limit temperature value, the electric heating equipment is restarted by the heating control device to start working. In low-temperature seasons, various electric heating devices are frequently started and stopped and continuously operated within 24 hours basically in order to ensure the normal flow of crude oil in the pipeline. The electric energy consumption is ultrahigh, and is generally 2-5 times of the electric quantity used by an oil pumping well; meanwhile, due to the fact that a preferential policy of balancing the peak value of the commercial electricity price is not fully utilized, the electricity cost of the electric heating equipment is huge, and therefore the running cost of the oil well is high.
The valley period of commercial electricity is mainly 23% at night to 7% in the next morning, and the valley period electricity price is about 1/3 of the peak period electricity price. In addition, with the large production of photovoltaic new energy power generation projects built by idle oil-water well sites in oil fields, in fine weather, a large amount of photovoltaic green power is supplied to the power grid from 9 am to 15 pm every day, and a new off-peak electricity price is generated in the power grid of the oil field.
In order to reduce the power consumption and the production cost, an electric heating water jacket furnace needs to be manufactured, when the electricity price is low in the valley period, an electric heating rod in the water jacket furnace is enabled to normally work, and a large amount of electric energy is converted into heat energy and stored; when the peak period and the flat period of the electricity price are carried out, the electric heating rod stops working, the stored heat energy is gradually released for heating the crude oil, the production requirement of oil well temperature rise and return pressure reduction can be met, the electricity charge for external electric heating of the crude oil can be reduced, and the operation cost of the oil well is reduced.
Disclosure of Invention
The utility model aims at providing a crude oil conveying electric heating water jacket furnace, which enables an electric heating rod in the water jacket furnace to work normally when the electricity price is low in the valley period, converts a large amount of electric energy into heat energy and stores the heat energy; when the electricity price is in the peak period and the flat period, the electric heating rod stops working, and the stored heat energy is gradually released for heating the crude oil, so that the production requirement of oil well temperature rise and return pressure reduction can be met, the cost for external electric heating of the crude oil can be reduced, and the operation cost of the oil well is reduced.
In order to achieve the above object, the technical solution of the present invention is: the utility model provides a crude oil transportation electrical heating water jacket furnace includes water jacket furnace shell and heat transfer coil, and the water jacket furnace advances oil pipe line and heat transfer coil's access connection, is equipped with out oil pipe line temperature detector in water jacket furnace oil pipe line, and electric heating rod and the signal cable and the power cable and the heat transfer controller electric connection of out oil pipe line temperature detector, wherein: the heat exchange coil in the shell of the water jacket furnace is divided into a peak-period heat exchange coil and a valley-period increased heat exchange coil, and the peak-period heat exchange coil is communicated with the valley-period increased heat exchange coil; the oil outlet pipeline of the water jacket furnace, the peak-period heat exchange coil and the valley-period heat exchange coil are all connected with a crude oil flow direction switching valve arranged outside the shell of the water jacket furnace, and the flow direction of the crude oil in the heat exchange coil is switched to the switching valve through the crude oil flow direction; and a shell temperature detector is also arranged outside the water jacket shell and is electrically connected with the heat exchange controller through a signal cable and a power cable.
Preferably, the crude oil flow direction switching valve is an L-shaped explosion-proof three-way electromagnetic valve, a flow channel of a valve core in the crude oil flow direction switching valve is L-shaped, and a valve body is provided with three interfaces.
Preferably, the peak period heat exchange coil is a hollow pipe and is coiled for at least two times, and a pipe orifice at the tail end of the peak period heat exchange coil is connected with an interface in the axial direction of the crude oil flow direction switching valve outside the shell of the water jacket furnace.
Preferably, the valley period additional heat exchange coil is a hollow pipe and is at least coiled for two circles, a pipe orifice at the front end of the valley period additional heat exchange coil is communicated with a pipe body at the rear part of the peak period heat exchange coil, and a pipe orifice at the tail end of the valley period additional heat exchange coil is connected with another interface in the axial direction of the crude oil flowing direction switching valve outside the water jacket furnace shell.
Preferably, the water jacket furnace flowline is connected to a radial interface in the crude oil flow switching valve.
Preferably, the oil outlet line temperature detector is installed in the oil outlet line of the water jacket furnace behind the crude oil flow direction switching valve outside the water jacket furnace shell.
Preferably, the heat exchange controller is an explosion-proof controller.
Preferably, the water storage capacity of the water jacket furnace shell is more than twice of that of a conventional wellhead water jacket furnace, and an insulating layer is arranged on the water jacket furnace shell.
Preferably, one side of the water jacket furnace shell is provided with a water jacket furnace oil inlet pipeline, a water jacket furnace oil outlet pipeline and a crude oil flow direction switching valve; the shell temperature detector and the external connection end of the electric heating rod are arranged on the other side of the water jacket shell.
Compare with current crude oil transportation's electric heating furnace, the utility model discloses a show the result of use and be:
the utility model discloses heat exchange coil to in the water jacket furnace improves, divide into peak period heat exchange coil and valley period and increase heat exchange coil two parts, can make the case runner switching-over in the crude oil flow direction diverter valve through heat transfer controller, change heat exchange coil's heat transfer area. The electric heating rod can be started to heat when the electricity price is lower in the valley period; and stopping heating by the electric heating rod when the electricity price is higher in the peak period and the flat period. The heat energy stored in the valley period is gradually and slowly released by changing the heat exchange area of the heat exchange coil in the heating furnace, and the crude oil is output and heated for 24 hours all the day of the oil well, so that the production requirement of raising the temperature and reducing the back pressure of the oil well can be met, the electric charge of the electric heating water jacket furnace can be reduced, and the operation cost of the oil well is reduced.
The utility model discloses a temperature in the heat transfer controller can gather and control the electric heating water jacket stove, the crude oil temperature in the oil pipe line of water jacket stove, can control the heating power and the heat time of electrical heating stick, can control the switching-over of valve core runner in the crude oil flow direction diverter valve, can measure the daily power consumption of electric heating water jacket stove and calculate daily charges of electricity according to the price of electricity in peak valley period, can set for the operating parameter of electric heating water jacket stove, like casing temperature, water jacket stove oil pipe line temperature, the power consumption, charges of electricity etc. and can control crude oil flow direction diverter valve's the state of opening etc.. The process terminal system of the oil well field can be uploaded to the production command system of the oil field through the heat exchange controller, and workers of production command centers at all levels of the oil field can master the running state of the electric heating water jacket furnace in real time.
To sum up, the utility model discloses the result of use that has showing can produce better economic benefits.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an appearance structure schematic diagram of the present invention.
Fig. 2 is a cross-sectional view of the schematic of the structure of fig. 1.
In the figure:
the system comprises a water jacket furnace oil inlet pipeline 1, an oil outlet pipeline temperature detector 2, a water jacket furnace oil outlet pipeline 3, a crude oil flow direction switching valve 4, a water jacket furnace shell 5, a heat exchange coil 6, a peak period heat exchange coil 7, a valley period additional heat exchange coil 8, a shell temperature detector 9, a heat exchange controller 10, an electric heating rod 11, a signal cable and a power cable 12.
Detailed Description
The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present disclosure. The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, an electrical heating water jacket furnace for crude oil transportation comprises a water jacket furnace shell 5 and a heat exchange coil 6, wherein an oil inlet pipeline 1 of the water jacket furnace is connected with an inlet of the heat exchange coil 6, an oil outlet pipeline temperature detector 2 is arranged in an oil outlet pipeline 3 of the water jacket furnace, and signal cables and power cables 12 of an electrical heating rod 11 and the oil outlet pipeline temperature detector 2 are electrically connected with a heat exchange controller 10, wherein: the heat exchange coil 6 in the shell 5 of the water jacket furnace is divided into a peak-period heat exchange coil 7 and a valley-period increased heat exchange coil 8, and the peak-period heat exchange coil 7 is communicated with the valley-period increased heat exchange coil 8; the oil outlet pipeline 3 of the water jacket furnace, the peak period heat exchange coil 7 and the valley period heat exchange coil 8 are all connected with a crude oil flow direction switching valve 4 arranged outside the water jacket furnace shell 5, and the flow direction of crude oil in the heat exchange coil 6 is switched to the crude oil flow direction switching valve 4; a shell temperature detector 9 is further mounted outside the water jacket furnace shell 5, and the shell temperature detector 9 is electrically connected with a heat exchange controller 10 through a signal cable and a power cable 12.
The utility model provides a PLC is equipped with in the heat transfer controller 10, and PLC can the programming logic editor, can order to the manufacture factory as required. The oil outlet line temperature detector 2 and the shell temperature detector 9 are electrically connected with a PLC in the heat exchange controller 10 through signal cables, the heat exchange controller 10 can collect and control the water temperature in the electric heating water jacket furnace and the crude oil temperature in the oil outlet line 3 of the water jacket furnace, the heating power and the heating time of the electric heating rod 11 can be controlled, the conversion of the crude oil connected with the oil outlet line 3 of the water jacket furnace to a valve core runner in the switching valve 4 can be controlled, the crude oil can pass through the heat exchange coil pipe 7 in the peak period or the heat exchange coil pipe 8 in the valley period in the heat exchange coil pipe 6, and the change of the heat exchange area of the heat exchange coil pipe 6 is realized.
The daily power consumption of the electric heating water jacket furnace can be measured through the heat exchange controller 10, the daily power charge can be calculated according to the electricity price in the peak-to-valley period, the operation parameters of the electric heating water jacket furnace, such as the shell temperature, the temperature of the oil outlet pipeline 3 of the water jacket furnace, the power consumption, the power charge, the opening state of the crude oil flowing to the switching valve 4 and the like, can pass through an RTU (remote terminal unit) of an oil well field, namely a process terminal system, and can be uploaded to a production command system of an oil field, and workers of various production command centers of the oil field can master the operation state of the electric heating water jacket furnace in real time. The utility model discloses can start the heating of electrical heating rod 11 when the millet term price is lower, at the peak period, the heating of stopping electrical heating rod 11 when the flat term price is higher, through the heat transfer area who changes heat exchange coil 6 in the heating furnace, heat energy with the heating storage of price millet stage slowly releases gradually, for the crude oil transport heating of 24 hours all the day of oil well, can satisfy the oil well and heat up the production demand that falls the back pressure, can reduce the charges of electricity of electrical heating water jacket stove again, reduce the running cost of oil well.
On the basis of the first embodiment, the utility model discloses still have following embodiment:
a preferred embodiment: the crude oil flow direction switching valve 4 is an L-shaped explosion-proof three-way electromagnetic valve, a flow channel of a valve core in the crude oil flow direction switching valve 4 is L-shaped, and a valve body is provided with three connectors.
A preferred embodiment: the peak period heat exchange coil 7 is a return pipe and is at least coiled for two circles, and a pipe orifice at the tail end of the peak period heat exchange coil 7 is connected with an axial interface of the crude oil flow direction switching valve 4 outside the water jacket furnace shell 5.
A preferred embodiment: the valley period additional heat exchange coil 8 is a hollow pipe and is at least coiled for two circles, the front end pipe orifice of the valley period additional heat exchange coil 8 is communicated with the pipe body at the rear part of the peak period heat exchange coil 7, and the tail end pipe orifice of the valley period additional heat exchange coil 8 is connected with the other interface in the axial direction of the crude oil flow direction switching valve 4 outside the water jacket furnace shell 5.
A preferred embodiment: the water jacket furnace oil outlet pipeline 3 is connected with a radial interface in a crude oil flow direction switching valve 4. The connection between a valve core flow channel of the crude oil flow direction switching valve 4 and an interface in a shell is changed through the heat exchange controller 10, the crude oil flow direction in the heat exchange coil 6 is changed, and the change of the heat exchange area of the heat exchange coil 6 is realized. When the water temperature in the shell 5 of the water jacket furnace is higher and the temperature of the oil outlet pipeline 3 of the water jacket furnace is higher, the crude oil flows to a valve core runner in the switching valve 4 and rotates to be communicated with the peak heat exchange coil 7, the peak heat exchange coil 7 is utilized to carry out small-area heat exchange, the heat taken away by the crude oil flowing in the heat exchange coil 6 is controlled, and the release time of the stored heat energy in the device is prolonged; when the temperature of the water jacket furnace shell 5 is reduced and the temperature of the oil outlet pipeline 3 of the water jacket furnace is reduced to the set lower limit temperature, the crude oil flows to the valve core flow channel in the switching valve 4 and rotates for 90 degrees to be communicated with the valley period increased heat exchange coil 8, large-area heat exchange is carried out by utilizing two heat exchange coils, namely the peak period heat exchange coil 7 and the valley period increased heat exchange coil 8, the crude oil flowing in the heat exchange coil 6 fully absorbs heat, and therefore normal output of an oil well is guaranteed.
A preferred embodiment: the oil outlet line temperature detector 2 is arranged in the oil outlet line 3 of the water jacket furnace behind the crude oil flow direction switching valve 4 outside the water jacket furnace shell 5.
A preferred embodiment: the heat exchange controller 10 is an explosion-proof controller, and improves the use safety.
A preferred embodiment: the water storage capacity of the water jacket furnace shell 5 is more than two times of that of a conventional wellhead water jacket furnace, and a heat insulation layer is arranged. The utility model provides a water jacket furnace casing 5 is the ordinary pressure casing and is equipped with the heat preservation, is equipped with the heat exchange coil 6 that is used for heating crude oil in the casing. The water stored in the water jacket furnace shell 5 is large, so that the valley electricity price can be better utilized, and the heating time of the electric heating rod 11 is prolonged by adjusting the heat exchange controller 10, so that the water stored in the water jacket furnace shell 5 is fully heated; in the peak period of electricity price and summer season, the heating time of the electric heating rod 11 is shortened by adjusting the heat exchange controller 10, and the production cost is reduced.
A preferred embodiment: one side of the water jacket furnace shell 5 is provided with a water jacket furnace oil inlet pipeline 1, a water jacket furnace oil outlet pipeline 3 and a crude oil flow direction switching valve 4; the shell temperature detector 9 and the external connection end of the electric heating rod 11 are arranged on the other side of the water jacket furnace shell 5.
The utility model discloses a theory of operation is: the water jacket furnace housing 5 is filled with water, and the heat energy converted from the electric energy is stored by a large amount of water during the operation. Setting the lower limit temperature and the upper limit temperature of the water jacket furnace oil outlet pipeline 3 of the oil outlet pipeline temperature detector 2 through the heat exchange controller 10, for example, setting the lower limit temperature of the water jacket furnace oil outlet pipeline 3 to be 50 ℃ and the upper limit temperature to be 60 ℃; the upper limit temperature of the water jacket furnace shell 5 detected by the shell temperature detector 9 is set by the heat exchange controller 10, for example, the upper limit temperature of the water jacket furnace shell 5 is set to 95 ℃, and the water in the water jacket furnace is prevented from being vaporized and evaporated after being heated to 100 ℃ by the electric heating rod 11. The normal working time of the electric heating rod 11 is set by the heat exchange controller 10 to be the valley electricity price time of each day, namely, 23 nights to 7 morning of the next day and the photovoltaic power generation time, namely, 9 am to 15 pm.
When the oil outlet line temperature detector 2 detects that the temperature of the heated crude oil is higher than the upper limit temperature of the set oil outlet line 3 of the water jacket furnace, for example, 60 ℃, the heat exchange controller 10 controls the crude oil to flow to the switching valve 4, so that the heat exchange coil 6 in the water jacket furnace shell 5 is switched to a working mode in which only the peak heat exchange coil 7 performs heat exchange, and the heat taken away by the crude oil in the heat exchange coil 6 is reduced by reducing the heat exchange area of the heat exchange coil 6.
When the oil outlet line temperature detector 2 detects that the temperature of the oil outlet line 3 of the water jacket furnace is reduced to a set lower limit temperature, for example, 50 ℃, the heat exchange controller 10 controls the crude oil to flow to the switching valve 4 to be communicated with the valley period increased heat exchange coil 8, so that the peak period heat exchange coil 7 and the valley period increased heat exchange coil 8 in the shell both participate in heat exchange, the heat absorption capacity of the crude oil in the heat exchange coil 6 is increased by increasing the heat exchange area, and the temperature of the crude oil is not lower than the set lower limit temperature. When the temperature of the oil outlet pipe 3 of the water jacket furnace is detected by the oil outlet pipe temperature detector 2 to be lower than the lower limit temperature, for example, 50 ℃, the heat exchange controller 10 starts the electric heating rod 11 to start working no matter the peak period or the flat period of the electricity price at the moment, because it is the first requirement to ensure the stable output of the crude oil and the normal production of the oil well.
When the shell temperature detector 9 detects that the temperature of the shell 5 of the water jacket furnace reaches a set upper limit temperature, such as 95 ℃, the heat exchange controller 10 controls the electric heating rod 11 to stop working.
When the temperature of the oil outlet line 3 of the water jacket furnace is detected to be increased to the upper limit temperature by the oil outlet line temperature detector 2 along with the increase of the temperature of the shell 5 of the water jacket furnace, the heat exchange controller 10 starts to repeat the control program again.
The embodiments described above are merely exemplary embodiments, but the present invention is not limited to these embodiments, and those skilled in the art can make modifications without departing from the spirit and teaching of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the form and details may be made therein without departing from the spirit and scope of the invention. Any modification, equivalent replacement, improvement and the like made within the spirit and the concept of the present invention should be included in the protection scope of the present invention. The scope of protection is therefore not limited to the description above.
Claims (9)
1. The utility model provides a crude oil transportation electrical heating water jacket furnace, includes water jacket furnace shell and heat transfer coil, and the water jacket furnace advances oil pipe line and heat transfer coil's access connection, is equipped with out oil pipe line temperature detector in the water jacket furnace goes out oil pipe line, and electric heating rod and the signal cable and the power cable and the heat transfer controller electric connection of going out oil pipe line temperature detector, characterized by: the heat exchange coil in the shell of the water jacket furnace is divided into a peak-period heat exchange coil and a valley-period increased heat exchange coil, and the peak-period heat exchange coil is communicated with the valley-period increased heat exchange coil; the oil outlet pipeline of the water jacket furnace, the peak-period heat exchange coil and the valley-period additional heat exchange coil are all connected with a crude oil flow direction switching valve arranged outside the shell of the water jacket furnace, and the flow direction of the crude oil in the heat exchange coil is switched by the crude oil flow direction switching valve; and a shell temperature detector is also arranged outside the water jacket shell and is electrically connected with the heat exchange controller through a signal cable and a power cable.
2. The electric heating water jacket furnace for crude oil transportation according to claim 1, wherein the crude oil flow direction switching valve is an L-shaped explosion-proof three-way electromagnetic valve, a flow passage of a valve core in the crude oil flow direction switching valve is L-shaped, and a valve body is provided with three ports.
3. The crude oil transportation electric heating water jacket furnace as claimed in claim 2, wherein the peak heat exchange coil is a hollow coil and is coiled at least two times, and the end orifice of the peak heat exchange coil is connected with an interface in the axial direction of the crude oil flow direction switching valve outside the water jacket furnace shell.
4. The crude oil transportation electric heating water jacket furnace as claimed in claim 2, wherein the valley period additional heat exchange coil is a hollow pipe and is coiled at least twice, a front end pipe orifice of the valley period additional heat exchange coil is communicated with a pipe body at the rear part of the peak period additional heat exchange coil, and a tail end pipe orifice of the valley period additional heat exchange coil is connected with another interface in the axial direction of the crude oil flow direction switching valve outside the water jacket furnace shell.
5. The electrically heated crude oil conveying water jacket furnace as claimed in claim 2, wherein said water jacket furnace outlet line is connected to a radial port in the crude oil flow switching valve.
6. The electric heating water jacket furnace for crude oil transportation according to claim 1, wherein the outlet line temperature detector is installed in the outlet line of the water jacket furnace behind the switching valve of the crude oil flowing out of the water jacket furnace shell.
7. The crude oil transportation electric heating water jacket furnace as claimed in claim 1, wherein the heat exchange controller is an explosion-proof type controller.
8. The crude oil transportation electric heating water jacket furnace as claimed in claim 3 or 4, wherein the water jacket furnace shell has water storage capacity more than twice of that of a conventional wellhead water jacket furnace and is provided with an insulating layer.
9. The crude oil transportation electric heating water jacket furnace as claimed in claim 8, wherein one side of the water jacket furnace shell is provided with a water jacket furnace oil inlet pipeline, a water jacket furnace oil outlet pipeline and a crude oil flow direction switching valve; the shell temperature detector and the external connecting end of the electric heating rod are arranged on the other side of the water jacket shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221617805.7U CN217760936U (en) | 2022-06-27 | 2022-06-27 | Crude oil conveying electric heating water jacket furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221617805.7U CN217760936U (en) | 2022-06-27 | 2022-06-27 | Crude oil conveying electric heating water jacket furnace |
Publications (1)
| Publication Number | Publication Date |
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| CN217760936U true CN217760936U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221617805.7U Active CN217760936U (en) | 2022-06-27 | 2022-06-27 | Crude oil conveying electric heating water jacket furnace |
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| CN (1) | CN217760936U (en) |
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2022
- 2022-06-27 CN CN202221617805.7U patent/CN217760936U/en active Active
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