CN117029276A - Vertical vacuum phase-change heating furnace - Google Patents
Vertical vacuum phase-change heating furnace Download PDFInfo
- Publication number
- CN117029276A CN117029276A CN202311293651.XA CN202311293651A CN117029276A CN 117029276 A CN117029276 A CN 117029276A CN 202311293651 A CN202311293651 A CN 202311293651A CN 117029276 A CN117029276 A CN 117029276A
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- cover plate
- fixedly connected
- combustion
- heating furnace
- heat exchange
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000002485 combustion reaction Methods 0.000 claims abstract description 49
- 239000010779 crude oil Substances 0.000 claims abstract description 34
- 238000012546 transfer Methods 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 241000208125 Nicotiana Species 0.000 claims description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000002737 fuel gas Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000002609 medium Substances 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/025—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel
- F24H7/0266—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel the transfer fluid being water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/12—Preventing or detecting fluid leakage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/305—Control of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/36—Control of heat-generating means in heaters of burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a vertical vacuum phase-change heating furnace, which relates to the technical field of heating equipment and comprises a pry base, wherein a furnace body is fixedly arranged at the top of the pry base, a heat exchange pipeline system is arranged at the top of the furnace body and comprises an upper cover plate, a crude oil heat exchange pipe and a water flow heat exchange pipe are fixedly connected to the bottom of the upper cover plate, and a vacuum valve is fixedly arranged in the middle of the upper cover plate; the middle part of the inner wall of the furnace body is provided with the combustion system, and the invention adopts the structure form of the built-in replaceable heat exchange coil, so that the heat transfer temperature difference can be obviously improved, the heat transfer quantity is increased, and the volume of the heating furnace is effectively reduced; and because the water medium in the furnace is sealed inside, water is not needed to be changed, and raw water is not introduced, the scaling speed of the coil pipe can be greatly slowed down, and the service life of the heating furnace is prolonged.
Description
Technical Field
The invention relates to the technical field of heating equipment, in particular to a vertical vacuum phase-change heating furnace.
Background
The vacuum boiler is a vacuum environment formed in a closed furnace body, is filled with heat medium water, heats the heat medium water through combustion or other modes, evaporates and condenses the heat medium water onto a heat exchanger, and heats the water to be heated by the heat exchanger.
The design life of the normal pressure vertical heating furnace is 8 to 10 years, and the average service life is 5 to 8 years. The main reason for influencing the service life is that the scale formation inside the boiler shell and outside the coil pipe is serious. There is therefore a need for improvements.
Disclosure of Invention
The invention aims to provide a vertical vacuum phase-change heating furnace to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a vertical vacuum phase transition heating furnace, includes sled body base, sled body base's top fixed mounting has the furnace body, the top of furnace body is provided with heat transfer pipeline system, heat transfer pipeline system includes the upper cover plate, the bottom fixedly connected with crude oil heat exchange tube and rivers heat exchange tube of upper cover plate, crude oil heat exchange tube and rivers heat exchange tube coil and stack, crude oil heat exchange tube's both ends mouth divide into crude oil import and crude oil export, rivers heat exchange tube's both ends mouth divide into rivers import and water outlet, crude oil heat exchange tube's both ends and rivers heat exchange tube's both ends all extend to the top of upper cover plate, the middle part fixed mounting of upper cover plate has the vacuum valve;
the middle part of the inner wall of the furnace body is provided with a combustion system, the combustion system comprises a combustion cover plate, one side of the combustion cover plate is fixedly connected with a combustion pipe, one end of the combustion pipe is fixedly connected with a combustion spray head, the other end of the combustion pipe extends out of the furnace body and is fixedly connected with a burner, and the middle part of the combustion pipe is fixedly provided with a fuel gas main electromagnetic valve; one side of the inner wall of the combustion cover plate is fixedly connected with a flame detector for detecting the flame size of the combustion nozzle; the top of the combustion cover plate is obliquely inwards arranged to be in a closed shape, the top of the combustion cover plate is fixedly connected with a heating cover plate, the heating cover plate is cylindrical, and the top of the heating cover plate is correspondingly arranged with the bottom of the heat exchange pipeline system; a liquid level controller is fixedly arranged on one side of the inner wall of the furnace body, and the liquid level of the water in the furnace body is monitored.
As a further scheme of the invention: the bottom fixedly connected with bottom plate of furnace body inner wall, be provided with the bottom smoke chamber between the bottom of bottom plate and the furnace body, one side fixedly connected with of bottom smoke chamber is discharged the tobacco pipe, the one end fixedly connected with chimney of discharging the tobacco pipe, the bottom fixedly connected with a plurality of screw thread tobacco pipe of heating cover plate, a plurality of the bottom of screw thread tobacco pipe all communicates with the top of bottom smoke chamber.
As a further scheme of the invention: the threaded smoke pipes are all arranged in a spiral shape.
As a further scheme of the invention: the bottom of the heating cover plate is fixedly connected with a guide ring, and the middle part of the guide ring is arranged in an upward protruding mode.
As a further scheme of the invention: the outer wall fixedly connected with shell body of furnace body, it has the heat insulating board to fill between the inner wall of shell body and the furnace body, the top fixedly connected with collar of shell body inner wall, the border rotation of upper cover plate is connected with a plurality of mounting bolt, a plurality of the bottom of mounting bolt all with collar top threaded connection.
As a further scheme of the invention: the middle part fixedly connected with butt joint board of bottom plate, the middle part of butt joint board is provided with the breather pipe, fixedly connected with sealing washer between breather pipe and the butt joint board, the one end fixedly connected with air-blower of breather pipe, the middle part fixedly connected with division board of bottom smoke chamber protects the breather pipe through setting up the division board.
As a further scheme of the invention: one side fixedly connected with cat ladder of shell body, the top fixedly connected with guardrail of shell body.
As a further scheme of the invention: the top of the inner wall of the furnace body is fixedly connected with a bearing ring, the top surface of the bearing ring is obliquely arranged to be an inclined surface, and the inner diameter of the bearing ring is smaller than the diameter of the outer ring of the crude oil heat exchange tube and the water flow heat exchange tube after being stacked, so that the crude oil heat exchange tube and the water flow heat exchange tube are supported in a matched mode.
As a further scheme of the invention: the using method of the heating furnace comprises the following steps:
step one: after the leakage detection is passed, starting a blower to pre-purge a hearth, and removing residual combustible gas in the hearth;
step two: the ignition transformer of the burner starts to ignite, the ignition electromagnetic valve is opened to ignite small fire seeds, and then the fuel gas main electromagnetic valve is opened; after the flame detector detects flame, the combustion is continued, otherwise, the gas electromagnetic valve is automatically closed, the burner stops running, the interlocking and the alarming are carried out, the blower is started again after manual reset, the hearth is pre-purged, the residual combustible gas in the heating furnace is removed, and the electromagnetic valve starts to ignite after the judgment of the logic leakage detection system is carried out;
step three: after ignition is successful, the heating furnace is put into operation, the temperature of the heating cover plate and the temperature of the combustion cover plate are increased by heating of the heater, so that the water temperature in the furnace body is increased, boiling and evaporation are carried out, the steam obtained by evaporation is increased and condensed on the outer walls of the crude oil heat exchange pipeline and the water flow heat exchange pipe, and the heat in the steam is absorbed by water flow and crude oil, so that the heating of the water flow and the crude oil is realized; in the heating process, the burner automatically adjusts the fire according to the temperature of the crude oil outlet, the fuel burns, the load of the heating furnace is regulated and controlled by changing the burning working condition of the burner, namely, the temperature is acquired by using a temperature transmitter at the outlet of the heat exchanger, and the temperature controller transmits the acquired signals to a remote monitoring system of the burner;
step four: the high-temperature smoke generated by combustion enters a heating cover plate along a combustion cover plate, then enters each threaded smoke pipe after being guided by a guide ring, is sent into a bottom smoke chamber by each threaded smoke pipe, and is discharged by a chimney; in the conveying process of the threaded smoke pipe, the heat of the smoke is continuously utilized through the contact heat transfer between the threaded smoke pipe and water flow.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts the structure form of the built-in replaceable heat exchange coil, can obviously improve the heat transfer temperature difference and increase the heat transfer quantity, thereby effectively reducing the volume of the heating furnace; the water medium in the furnace is sealed inside, water is not needed to be changed, raw water is not introduced, and the total amount of calcium and magnesium salts in the water is certain, so that the scaling speed of the coil pipe can be greatly slowed down, the service life of the heating furnace is prolonged, the cost of accessory replacement and the labor and material cost of water supplement each year are reduced, and meanwhile, water resources are saved, so that the heating furnace is suitable for arid areas;
the crude oil heat exchange tube and the water flow heat exchange tube are stacked to form a double-coil integrated structure, so that the device can heat crude oil and prepare domestic hot water at the same time, and has higher practicability; the heat transfer temperature difference can be obviously improved and the heat transfer quantity is increased by adopting a built-in replaceable heat exchange coil structure, so that the volume of the heating furnace is effectively reduced, and the whole installation is more convenient.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of a deflector ring according to the present invention;
FIG. 4 is a block flow diagram of a method of use of the present invention.
In the figure: 1. a pry body base; 2. a furnace body; 3. a combustion cover plate; 4. a combustion tube; 5. a burner; 6. a gas main solenoid valve; 7. a flame detector; 9. a heating cover plate; 10. a guide ring; 11. a threaded smoke tube; 12. a bottom plate; 13. a chimney; 14. a receiving ring; 15. a water flow heat exchange tube; 16. a crude oil heat exchange tube; 17. a vacuum valve; 18. a heat insulating plate; 19. a mounting ring; 20. an upper cover plate; 21. an outer housing; 22. an abutting plate; 23. a vent pipe; 24. a liquid level controller; 25. a ladder stand; 26. a guardrail.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, in the embodiment of the invention, a vertical vacuum phase change heating furnace comprises a pry body base 1, a furnace body 2 is fixedly arranged at the top of the pry body base 1, a heat exchange pipeline system is arranged at the top of the furnace body 2, the heat exchange pipeline system comprises an upper cover plate 20, a crude oil heat exchange pipe 16 and a water flow heat exchange pipe 15 are fixedly connected to the bottom of the upper cover plate 20, the crude oil heat exchange pipe 16 and the water flow heat exchange pipe 15 are coiled and stacked, and a double-coil pipe integrated structure is formed by stacking the crude oil heat exchange pipe 16 and the water flow heat exchange pipe 15, so that the device can simultaneously finish heating crude oil and preparing domestic hot water and has higher practicability;
the outer wall of the furnace body 2 is fixedly connected with an outer shell 21, a heat insulation plate 18 is filled between the inner wall of the outer shell 21 and the furnace body 2, the top of the inner wall of the outer shell 21 is fixedly connected with a mounting ring 19, the edge of the upper cover plate 20 is rotationally connected with a plurality of mounting bolts, and the bottoms of the mounting bolts are in threaded connection with the top of the mounting ring 19; the heat transfer temperature difference can be obviously improved and the heat transfer quantity is increased by adopting a built-in replaceable heat exchange coil structure, so that the volume of the heating furnace is effectively reduced;
the two ports of the crude oil heat exchange tube 16 are respectively provided with a crude oil inlet and a crude oil outlet, the two ports of the water flow heat exchange tube 15 are respectively provided with a water flow inlet and a water flow outlet, both ends of the crude oil heat exchange tube 16 and both ends of the water flow heat exchange tube 15 extend above the upper cover plate 20, the middle part of the upper cover plate 20 is fixedly provided with a vacuum valve 17, the vacuum valve 17 is arranged to pump out air in the furnace body 2 and then seal the air, the internal pressure is within a manually set range, so that internal gas is in a vacuum state, and the risk of outward explosion cannot occur even if a boiler has a problem due to a fault;
the middle part of the inner wall of the furnace body 2 is provided with a combustion system, the combustion system comprises a combustion cover plate 3, the top of the combustion cover plate 3 is obliquely arranged in a convergent shape, the top of the combustion cover plate 3 is fixedly connected with a heating cover plate 9, the heating cover plate 9 is in a cylindrical shape, and the top of the heating cover plate 9 is correspondingly arranged with the bottom of the heat exchange pipeline system; the combustion cover plate 3 and the heating cover plate 9 are fixedly connected with each other to form an inner shell, and in the use process, water flow is filled in a cavity between the outer wall of the inner shell and the inner wall of the furnace body 2, and one side of the cavity is fixedly connected with a water supplementing pipe and a sewage draining pipe; when the device is in normal operation, as the water medium in the furnace is sealed inside, water is not needed to be changed, raw water is not introduced, and the total amount of calcium and magnesium salts in the water is certain, the scaling speed of the coil pipe can be greatly slowed down, the service life of the heating furnace is prolonged, the cost of accessory replacement and the labor and material cost of water supplement each year are reduced, and meanwhile, water resources are saved, so that the device is suitable for arid areas;
one side of the combustion cover plate 3 is fixedly connected with a combustion pipe 4, one end of the combustion pipe 4 is fixedly connected with a combustion spray head, the other end of the combustion pipe 4 extends out of the furnace body 2 and is fixedly connected with a combustor 5, and the middle part of the combustion pipe 4 is fixedly provided with a fuel gas main electromagnetic valve 6; one side of the inner wall of the combustion cover plate 3 is fixedly connected with a flame detector 7 for detecting the flame size of the combustion nozzle.
The bottom of the inner wall of the furnace body 2 is fixedly connected with a bottom plate 12, a bottom smoke chamber is arranged between the bottom of the bottom plate 12 and the furnace body 2, one side of the bottom smoke chamber is fixedly connected with a smoke exhaust pipe, one end of the smoke exhaust pipe is fixedly connected with a chimney 13, the bottom of the heating cover plate 9 is fixedly connected with a plurality of threaded smoke pipes 11, and the bottoms of the plurality of threaded smoke pipes 11 are communicated with the top of the bottom smoke chamber; the plurality of threaded smoke pipes 11 are all arranged in a spiral shape, so that the time of smoke in the moving process along the threaded smoke pipes 11 is prolonged, the scouring heat exchange effect of the smoke and an aqueous medium is further improved, and the efficient utilization of the smoke temperature is realized.
The bottom fixedly connected with water conservancy diversion ring 10 of heating cover plate 9, the middle part of water conservancy diversion ring 10 upwards protruding setting to this makes high temperature flue gas when the inside flow of heating cover plate 9, can laminate heating cover plate 9 inner wall motion as far as possible, with this improvement to the heat utilization ratio of high temperature flue gas.
The middle part fixedly connected with butt joint board 22 of bottom plate 12, the middle part of butt joint board 22 is provided with breather pipe 23, fixedly connected with sealing washer between breather pipe 23 and the butt joint board 22, and the one end fixedly connected with air-blower of breather pipe 23, the middle part fixedly connected with division board of bottom smoke room protect breather pipe 23 through setting up the division board.
The top of the inner wall of the furnace body 2 is fixedly connected with a receiving ring 14, the top surface of the receiving ring 14 is obliquely arranged into an inclined surface, and the inner diameter of the receiving ring 14 is smaller than the diameter of the outer ring of the crude oil heat exchange tube 16 and the water flow heat exchange tube 15 after being stacked, so that the crude oil heat exchange tube 16 and the water flow heat exchange tube 15 are supported in a matched manner; a liquid level controller 24 is fixedly arranged on one side of the inner wall of the furnace body 2 and is used for monitoring the liquid level of the water medium in the furnace body 2; when the heating furnace is at a high water level or a low water level, the liquid level controller 24 is communicated with an external control system to send out an audible and visual alarm, and measures are taken to recover the normal water level and stop the alarm; when the heating furnace is at the extremely low water level, the control system stops the operation of the heating furnace, and the heating furnace can be restarted only after the fault is cleared.
One side of the outer shell 21 is fixedly connected with a cat ladder 25, and the top of the outer shell 21 is fixedly connected with a guardrail 26, so that personnel can climb to overhaul and maintain conveniently.
When the burner is used, firstly, the burner 5 is subjected to leak detection, after the leak detection is passed, a blower is started to pre-purge a hearth, and residual combustible gas in the furnace is removed;
the ignition transformer of the burner 5 starts to ignite, the ignition electromagnetic valve is opened to ignite small fire seeds, and then the fuel gas main electromagnetic valve 6 is opened; after the flame detector 7 detects flame, the combustion is continued, otherwise, the gas electromagnetic valve is automatically closed, the burner 5 stops running, the burner 5 is interlocked and alarms, the blower is started again after manual reset, the hearth is pre-purged, residual combustible gas in the heating furnace is removed, and the electromagnetic valve starts to ignite after passing the judgment of the logic leakage detection system;
after ignition is successful, the heating furnace is put into operation, the temperature of the heating cover plate 9 and the combustion cover plate 3 is increased by heating of the heater, the water temperature in the furnace body 2 is increased, boiling and evaporation are carried out, the evaporated steam is increased and condensed on the 16 paths of the crude oil heat exchange tube and the outer wall of the water flow heat exchange tube 15, and heat in the steam is absorbed by water flow and crude oil, so that the water flow and the crude oil are heated; in the heating process, the burner 5 automatically adjusts the fire according to the temperature of the crude oil outlet, and in the process of burning fuel, the load of the heating furnace is adjusted by changing the burning working condition of the burner 5, namely, a temperature transmitter at the outlet of a heat exchange pipeline is used for temperature acquisition, and a temperature controller transmits the collected signal to a remote monitoring system of the burner 5;
the fuel burns to generate high-temperature smoke which moves upwards in the combustion cover plate 3 to enter the heating cover plate 9, then the smoke enters the threaded smoke pipe 11 in a turning direction under the guiding action of the guide ring 10, and enters the bottom smoke chamber after being washed by water medium for heat exchange, and finally is discharged through the chimney 13; the overall heat distribution of the heating furnace is reasonable, and enough heating surfaces are arranged to ensure the output of the heating furnace; the heating furnace ignition, combustion, water supplementing, load regulation, safety protection and the like can be automatically controlled and connected with the Internet of things, and the remote control is realized by the remote terminal, so that unattended operation is realized, and the labor cost is greatly reduced; the heating furnace has the advantages of safety and reliability, high efficiency, attractive appearance, simple and convenient installation, durability and the like, and can be widely suitable for various heating occasions of oil fields.
The present invention is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a vertical vacuum phase transition heating furnace which is characterized in that, including sled body base (1), the top fixed mounting of sled body base (1) has furnace body (2), the top of furnace body (2) is provided with heat transfer pipeline system, heat transfer pipeline system includes upper cover plate (20), the bottom fixedly connected with crude oil heat exchange tube (16) and rivers heat exchange tube (15) of upper cover plate (20), crude oil heat exchange tube (16) and rivers heat exchange tube (15) coil and pile, the middle part fixed mounting of upper cover plate (20) has vacuum valve (17);
the middle part of the inner wall of the furnace body (2) is provided with a combustion system, the combustion system comprises a combustion cover plate (3), one side of the combustion cover plate (3) is fixedly connected with a combustion pipe (4), the middle part of the combustion pipe (4) is fixedly provided with a fuel gas main electromagnetic valve (6), and one side of the inner wall of the combustion cover plate (3) is provided with a flame detector (7); the top of the combustion cover plate (3) is fixedly connected with a heating cover plate (9);
the bottom fixedly connected with bottom plate (12) of furnace body (2) inner wall, be provided with bottom smoke chamber between the bottom of bottom plate (12) and furnace body (2), one side fixedly connected with of bottom smoke chamber is discharged the tobacco pipe, the one end fixedly connected with chimney (13) of discharging the tobacco pipe, the bottom fixedly connected with of heating cover plate (9) screw thread tobacco pipe (11), a plurality of the bottom of screw thread tobacco pipe (11) all communicates with bottom smoke chamber.
2. A vertical vacuum phase change heating furnace according to claim 1, characterized in that a number of said screw-threaded smoke pipes (11) are each provided in a spiral shape.
3. The vertical vacuum phase-change heating furnace according to claim 1, wherein a guide ring (10) is fixedly connected to the bottom of the heating cover plate (9), and the middle part of the guide ring (10) is arranged in a protruding mode.
4. The vertical vacuum phase-change heating furnace according to claim 1, wherein an outer shell (21) is fixedly connected to the outer wall of the furnace body (2), a heat insulation plate (18) is filled between the inner wall of the outer shell (21) and the furnace body (2), a mounting ring (19) is fixedly connected to the top of the inner wall of the outer shell (21), a plurality of mounting bolts are rotatably connected to the edge of the upper cover plate (20), and the bottoms of the plurality of mounting bolts are in threaded connection with the top of the mounting ring (19).
5. The vertical vacuum phase-change heating furnace according to claim 1, wherein an abutting plate (22) is fixedly connected to the middle of the bottom plate (12), a ventilation pipe (23) is arranged at the middle of the abutting plate (22), a sealing gasket is fixedly connected between the ventilation pipe (23) and the abutting plate (22), and a blower is fixedly connected to one end of the ventilation pipe (23).
6. The vertical vacuum phase-change heating furnace according to claim 1, wherein a receiving ring (14) is fixedly connected to the top of the inner wall of the furnace body (2), and the top surface of the receiving ring (14) is obliquely arranged.
7. The vertical vacuum phase change heating furnace according to claim 1, wherein the method of using the heating furnace comprises the steps of:
step one: the method comprises the steps of performing leak detection on a combustor (5) through an external leak detection system, starting a blower after the leak detection system passes the leak detection, and performing pre-purging on a hearth to remove residual combustible gas in the furnace;
step two: the burner (5) starts to fire, small fire seeds are firstly ignited, and then the fuel gas main electromagnetic valve (6) is opened; after the flame detector (7) detects flame, continuing to burn, otherwise, automatically closing the fuel gas main electromagnetic valve (6); then the burner (5) is interlocked and alarmed, the blower is started again after manual reset, the hearth is pre-purged, residual combustible gas in the heating furnace is removed, the burner (5) is subjected to leak detection again, and the leak detection is restarted to be ignited through the rear burner (5);
step three: after ignition is successful, the heating furnace is put into operation to heat water flow and crude oil; in the heating process, the burner (5) automatically adjusts the fire according to the temperature of the crude oil outlet;
step four: the high-temperature smoke generated by combustion enters the heating cover plate (9) along the combustion cover plate (3), then enters each threaded smoke tube (11) after being guided by the guide ring (10), is sent into the bottom smoke chamber by the smoke of each threaded smoke tube (11), and is discharged by the chimney (13).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118149471A (en) * | 2024-05-09 | 2024-06-07 | 上海焱晶燃烧设备检测有限公司 | Vertical vacuum phase change heating furnace with scale slag self-cleaning function |
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| JP2003254692A (en) * | 2002-02-27 | 2003-09-10 | Sanyo Electric Co Ltd | Heat exchanger and heat pump type water heating device using the same |
| CN108731268A (en) * | 2018-07-04 | 2018-11-02 | 王研 | The low nitrogen negative pressure Hot water units of dish-shaped flame and its operation method |
| CN209295081U (en) * | 2018-10-22 | 2019-08-23 | 河南省太锅锅炉制造有限公司 | Fuel oil/gas steam boiler |
| WO2021097905A1 (en) * | 2019-11-19 | 2021-05-27 | 南京华电节能环保设备有限公司 | Recycling device for high-temperature sensible heat of raw coke oven gas in coke oven ascension pipe |
| CN218269586U (en) * | 2022-10-14 | 2023-01-10 | 上海焱晶燃烧设备检测有限公司 | Intelligent low-nitrogen energy-saving vertical vacuum phase change heating furnace for oil field |
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| JP2003254692A (en) * | 2002-02-27 | 2003-09-10 | Sanyo Electric Co Ltd | Heat exchanger and heat pump type water heating device using the same |
| CN108731268A (en) * | 2018-07-04 | 2018-11-02 | 王研 | The low nitrogen negative pressure Hot water units of dish-shaped flame and its operation method |
| CN209295081U (en) * | 2018-10-22 | 2019-08-23 | 河南省太锅锅炉制造有限公司 | Fuel oil/gas steam boiler |
| WO2021097905A1 (en) * | 2019-11-19 | 2021-05-27 | 南京华电节能环保设备有限公司 | Recycling device for high-temperature sensible heat of raw coke oven gas in coke oven ascension pipe |
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| CN118149471A (en) * | 2024-05-09 | 2024-06-07 | 上海焱晶燃烧设备检测有限公司 | Vertical vacuum phase change heating furnace with scale slag self-cleaning function |
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