Skid-mounted boiler combined device heated by two energy sources of electricity and fuel gas

Abstract

The utility model provides a skid-mounted boiler combination device heated by two energy sources of electricity and fuel gas, and relates to the technical field of skid-mounted steam boilers. In the skid-mounted boiler combination device heated by two energy sources of electricity and fuel gas, a skid-mounted steam-water separation system is simultaneously connected with skid-mounted wet steam equipment, skid-mounted superheated steam equipment and a skid-mounted sewage heat exchange system; the skid-mounted gas supply control system, the skid-mounted power supply control system and the skid-mounted heat output control system are respectively connected with the skid-mounted wet steam equipment and the skid-mounted superheated steam equipment at the same time; the skid-mounted flue gas heat exchange system is simultaneously connected with the skid-mounted wet steam equipment, the skid-mounted superheated steam equipment, the skid-mounted water supply control system and the deaerator, and the skid-mounted superheated steam equipment is connected with a heat user. According to the combined device, natural gas and electricity can be input into one device at the same time or in a time-sharing mode to prepare high-temperature and high-pressure steam. When the combined device is installed on an oil extraction site, large-area land of the oil extraction site is prevented from being occupied.

Description

Technical Field

[0001] The utility model relates to the technical field of skid-mounted steam boilers, in particular to a skid-mounted boiler combination device heated by both electricity and gas energy sources. Background Art

[0002] Oilfields with heavy oil deposits can selectively utilize natural gas produced at the wellhead during oil production, often for energy diversity and economic efficiency. Alternatively, they can utilize electricity generated by wind and solar power equipment installed on idle land in the oilfield to generate high-temperature, high-pressure steam, which is used to heat and dilute the heavy oil underground, completing the oil production process. By selecting the cheaper natural gas or electricity to generate steam during different time periods, oilfields can improve the utilization of both energy sources and reduce the heat costs of oil production.

[0003] However, existing technologies lack equipment that can simultaneously or time-share natural gas and electricity to produce high-temperature, high-pressure steam. Installing both a gas boiler and an electric boiler for backup at an oil production site requires extensive land.

[0004] Therefore, the above-mentioned technical problems need to be further resolved. Summary of the Invention

[0005] The purpose of the embodiment of the present utility model is to provide a skid-mounted boiler combination device that is heated by both electricity and gas energy, so as to realize a combination device that simultaneously inputs or time-shares natural gas and electricity as two energy sources on a single device to produce high-temperature, high-pressure steam; and when the combination device is installed at an oil production site, it avoids occupying a large area of land at the oil production site.

[0006] In order to solve the above technical problems, the embodiments of the present invention provide the following technical solutions:

[0007] The first aspect of the present invention provides a skid-mounted boiler assembly device that is heated by both electricity and gas energy sources, including a device body, the device body comprising:

[0008] Wet steam equipment, each of the wet steam equipment is connected in parallel;

[0009] a steam-water separation system connected to the wet steam output end of the wet steam equipment;

[0010] Superheated steam equipment, each of the superheated steam equipment is connected in parallel, and the wet steam input end of the superheated steam equipment is connected to the steam-water separation system, and the superheated steam output end of the superheated steam equipment is connected to the heat user;

[0011] A gas supply control system, connected to the first gas input end of the wet steam equipment and the second gas input end of the superheated steam equipment;

[0012] A power supply control system, connected to the first power supply port of the wet steam equipment and the second power supply port of the superheated steam equipment;

[0013] A heat output control system, connected to the wet steam equipment and the superheated steam equipment;

[0014] A flue gas heat exchange system, arranged between the flue gas duct and the induced draft fan of the flue gas, and at the same time one end is connected to the feed water control system and the other end is connected to a deaerator;

[0015] A sewage heat exchange system, the first end is connected to the steam-water separation system through the sewage pipe of the steam-water separation system, the second end is connected to a sewage discharge pipe, the third end is connected to the deaerator, and the fourth end is connected to the feed water input end of the wet steam equipment.

[0016] Further, the wet steam equipment includes:

[0017] A first centrifugal fan, arranged on one side inside the wet steam equipment;

[0018] A first heat exchanger, connected to the first centrifugal fan through the first air inlet, and is also connected to a first end group;

[0019] A first electric heater, arranged on the other side inside the wet steam equipment, and is connected to the first heat exchanger, and is also connected to the first power supply port of the wet steam equipment;

[0020] A first hot blast stove radiator, one end is connected to the first centrifugal fan through the first air blast port of the wet steam equipment, and the other end is connected to the first electric heater;

[0021] A first gas hot blast stove combustion chamber, arranged on the side inside the wet steam equipment and below the first hot blast stove radiator, and is connected to the first hot blast stove radiator, and is also connected to the first flue gas output end of the wet steam equipment;

[0022] A first gas burner, arranged on one side of the wet steam equipment, one end is connected to the first gas hot blast stove combustion chamber, and the other end is connected to the first gas input end of the wet steam equipment.

[0023] Further, the first end group includes:

[0024] A feed water input end, arranged on the side of the wet steam equipment, one end is connected to the first heat exchanger, and the other end is connected to the flue gas heat exchange system;

[0025] The wet steam output end is arranged on the side of the wet steam device, with one end connected to the first heat exchanger and the other end connected to the steam-water separation system.

[0026] Further, the first power supply port is arranged on the side of the wet steam device and is also connected to the power supply control system;

[0027] The first gas input end is arranged on one side of the wet steam device and is also connected to the gas supply control system;

[0028] The first flue gas output end is arranged on the other side of the wet steam device and is also connected to the flue gas heat exchange system.

[0029] Further, the superheated steam device includes:

[0030] The second centrifugal fan is arranged on one side inside the superheated steam device;

[0031] The second heat exchanger is connected to the second centrifugal fan through the second air inlet and is also connected to a second end group;

[0032] The second electric heater is arranged on the other side inside the superheated steam device, is connected to the second heat exchanger, and is also connected to the second power supply port of the superheated steam device;

[0033] The second hot blast stove radiator has one end connected to the second centrifugal fan through the second air outlet of the superheated steam device and the other end connected to the second electric heater;

[0034] The second gas hot blast stove combustion chamber is arranged on the side inside the superheated steam device and below the second hot blast stove radiator, is connected to the second hot blast stove radiator, and is also connected to the second flue gas output end of the superheated steam device;

[0035] The second gas burner is arranged on one side of the superheated steam device, with one end connected to the second gas hot blast stove combustion chamber and the other end connected to the second gas input end of the superheated steam device.

[0036] Further, the second end group includes:

[0037] The wet steam input end is arranged on the side of the superheated steam device, with one end connected to the second heat exchanger and the other end connected to the steam-water separation system;

[0038] The superheated steam output end is arranged on the side of the superheated steam device, with one end connected to the second heat exchanger and the other end connected to the heat user.

[0039] Further, the second power supply port is disposed on the side of the superheated steam device and is also connected to the power supply control system;

[0040] The second gas input end is disposed on one side of the superheated steam device and is also connected to the gas supply control system;

[0041] The second flue gas output end is disposed on one side of the superheated steam device and is also connected to the flue gas heat exchange system.

[0042] Further, the device body further includes:

[0043] The first working layer, located at the bottom layer close to the ground, is respectively provided with the steam-water separation system, the gas supply control system, the power supply control system, the heat output control system, the feed water control system, the sewage heat exchange system, and the deaerator;

[0044] The second working layer, located in the rain shelter at the top, is provided with one or more of the flue gas heat exchange systems and the flue gas induced draft fans;

[0045] The third working layer is respectively located between the first working layer and the second working layer, and the wet steam device and the superheated steam device are respectively placed thereon.

[0046] Further, the electric heaters in the first electric heater and the second electric heater include:

[0047] The solid heat storage body is laid horizontally and longitudinally at the same time;

[0048] The metal fixing member is connected to the laterally adjacent solid heat storage bodies and the longitudinally adjacent solid heat storage bodies at the same time;

[0049] The electric heating wire is an S-shaped metal wire placed in the solid heat storage body.

[0050] Further, the metal fixing member includes:

[0051] The first metal member;

[0052] The first raised member is uniformly disposed on the upper surface and the lower surface of the first metal member respectively;

[0053] The equipotential wire groove is disposed on the upper surface of the first metal member;

[0054] The equipotential wire is disposed in the equipotential wire groove.

[0055] Further, the solid heat storage body includes:

[0056] The first heat storage member;

[0057] A second heat storage member, connected to one end of the first heat storage member;

[0058] A third heat storage member, connected to the other end opposite to the first heat storage member, and the length of the third heat storage member is parallel to the length of the second heat storage member;

[0059] A first surface, provided on the surface of the first heat storage member close to the second heat storage member side and the third heat storage member side;

[0060] A second surface, provided on the surface of the second heat storage member far from the first heat storage member side;

[0061] A third surface, provided on the surface of the third heat storage member far from the first heat storage member side;

[0062] A fourth surface, provided on the surface of the first heat storage member far from the first surface;

[0063] First grooves, respectively and uniformly provided on the fourth surface close to the first raised member, and inserted into the first raised member;

[0064] Wherein, the second surface is higher than the first surface, and the second surface and the third surface are on the same horizontal line, and the electric heating wire is placed on the first surface;

[0065] The longitudinally adjacent first heat storage member, the second heat storage member, the third heat storage member, and the laterally adjacent first metal member jointly enclose a first ventilation duct.

[0066] Further, the solid heat storage body includes:

[0067] A fourth heat storage body, laid both horizontally and longitudinally;

[0068] Second grooves, respectively provided on the fourth heat storage body;

[0069] A fifth heat storage body, laid both horizontally and longitudinally, and buckled with the fourth heat storage body;

[0070] Third grooves, respectively provided on the fifth heat storage body;

[0071] Fourth grooves, respectively and uniformly provided on the fourth heat storage body and the fifth heat storage body close to the first raised member, and inserted into the first raised member;

[0072] The second grooves and the third grooves jointly enclose a second ventilation duct, and the longitudinally adjacent fifth heat storage body, fourth heat storage body, and the laterally adjacent metal fixing member jointly enclose a third ventilation duct;

[0073] The electric heating wire is placed in the second ventilation duct.

[0074] Compared with the prior art, for the skid-mounted boiler combined device heated by two energy sources of electricity and gas provided in the first aspect of the present utility model, the steam-water separation system is simultaneously connected to the wet steam device, the superheated steam device and the sewage heat exchange system, the gas supply control system is simultaneously connected to the wet steam device and the superheated steam device, the power supply control system is simultaneously connected to the wet steam device and the superheated steam device, the heat output control system is simultaneously connected to the wet steam device and the superheated steam device, the flue gas heat exchange system is simultaneously connected to the wet steam device, the superheated steam device, the feed water control system and the deaerator, and the skid-mounted superheated steam device is connected to the heat user. Thus, a combined device capable of simultaneously inputting or inputting natural gas and electricity at different times on one device to produce high-temperature and high-pressure steam is realized; and when installing this combined device at an oil production site, it avoids occupying a large area of land at the oil production site. Brief Description of the Drawings

[0075] By reading the following detailed description with reference to the accompanying drawings, the above and other objects, features and advantages of the exemplary embodiments of the present utility model will become readily understood. In the drawings, several embodiments of the present utility model are shown in an exemplary rather than restrictive manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0076] Figure 1 Schematically shows a schematic diagram of a skid-mounted boiler combined device heated by two energy sources of electricity and gas;

[0077] Figure 2 Schematically shows a top view of a skid-mounted wet steam device;

[0078] Figure 3 Schematically shows a top view of a skid-mounted superheated steam device;

[0079] Figure 4 Schematically shows a three-dimensional schematic diagram of a skid-mounted boiler combined device heated by two energy sources of electricity and gas;

[0080] Figure 5 Schematically shows a structural schematic diagram of an electric heater;

[0081] Figure 6 Schematically shows a schematic diagram of an electric heating wire;

[0082] Figure 7 Schematically shows a schematic diagram of another electric heater;

[0083] Figure 8 Schematically shows a front view schematic diagram of a metal fixing member;

[0084] Figure 9 A top view schematic diagram of the metal fixture is shown schematically;

[0085] Explanation of the reference numerals in the drawings:

[0086] 1. Wet steam equipment; 1-1. First centrifugal fan; 1-2. First heat exchanger; 1-3. First electric heater; 1-4. First hot blast stove radiator; 1-5. First gas hot blast stove combustion chamber; 1-6. First gas burner; 1-7. First air inlet; 1-8. First air outlet; 1-9. First power supply port; 1-10. Feed water input end; 1-11. Wet steam output end; 1-12. First gas input end; 1-13. First flue gas output end;

[0087] 2. Superheated steam equipment; 2-1. Second centrifugal fan; 2-2. Second heat exchanger; 2-3. Second electric heater; 2-4. Second hot blast stove radiator; 2-5. Second gas hot blast stove combustion chamber; 2-6. Second gas burner; 2-7. Second air inlet; 2-8. Second air outlet; 2-9. Second power supply port; 2-10. Wet steam input end; 2-11. Superheated steam output end; 2-12. Second gas input end; 2-13. Second flue gas output end;

[0088] 3. Steam-water separation system;

[0089] 4. Heat user;

[0090] 5. Gas supply control system;

[0091] 6. Power supply control system;

[0092] 7. Heat output control system;

[0093] 8. Feed water control system;

[0094] 9. Flue gas heat exchange system; 9-1. Flue gas duct; 9-2. Flue gas induced draft fan;

[0095] 10. Electric heater; 10-1. Solid heat storage body; 10-2. Metal fixture; 10-2-1. Equipotential wire groove; 10-2-2. First protrusion; 10-2-3. Equipotential wire; 10-2-4. Conductive cement; 10-2-5. First metal part; 10-3. Third ventilation duct; 10-4. Second ventilation duct; 10-5. First ventilation duct;

[0096] 11. Electric heating wire;

[0097] 12. First working layer; 12-1. Third working layer; 12-2. Second working layer; 12-3. Rain shelter;

[0098] 13. Sewage heat exchange system; 13-1. Sewage pipe; 13-2. Drain pipe;

[0099] 14. Deaerator;

[0100] 15. First heat storage member; 15-1. First surface; 15-2. Fourth surface; 16. Second heat storage member; 16-1. Second surface; 17. Third heat storage member; 17-1. Third surface;

[0101] 18. Fourth heat storage body; 19. Fifth heat storage body. Detailed implementation manners

[0102] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be completely conveyed to those skilled in the art. Unless otherwise specified, the technical means used in the embodiments are conventional means well known to those skilled in the art.

[0103] It should be noted that unless otherwise stated, the technical terms or scientific terms used in the present utility model should have the ordinary meanings understood by those skilled in the art to which the present utility model belongs. In this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Terms such as "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Terms such as "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, the elements defined by the statement "including..." do not exclude the existence of additional identical elements in the process, method, article or device including the said elements.

[0104] An embodiment of the present utility model provides a skid-mounted boiler combination device heated by two energy sources of electricity and gas, in combination with Figure 1 、 Figure 2 and Figure 3, the skid-mounted boiler combined device heated by electricity and gas includes a device body, which includes a wet steam device 1, a steam-water separation system 3, a superheated steam device 2, a gas supply control system 5, a power supply control system 6, a heat output control system 7, a flue gas heat exchange system 9 and a sewage heat exchange system 13. The wet steam devices 1 are connected in parallel with each other. The steam-water separation system 3 is connected to the wet steam output end 1-11 of the wet steam device 1. The superheated steam devices 2 are connected in parallel with each other, and the wet steam input end 2-10 of the superheated steam device 2 is connected to the steam-water separation system 3, and the superheated steam output end 2-11 of the superheated steam device 2 is connected to the heat user 4. The gas supply control system 5 is connected to the first gas input end 1-12 of the wet steam device 1 and the second gas input end 2-12 of the superheated steam device 2. The power supply control system 6 is connected to the first power supply port 1-9 of the wet steam device 1 and the second power supply port 2-9 of the superheated steam device 2. The heat output control system 7 is connected to the wet steam device 1 and the superheated steam device 2. The flue gas heat exchange system 9 is arranged between the flue gas duct 9-1 and the flue gas induced draft fan 9-2, and is connected to the feed water control system 8 at one end and the deaerator 14 at the other end. The sewage heat exchange system 13 has its first end connected to the steam-water separation system 3 through the sewage pipe 13-1 of the steam-water separation system 3, its second end connected to the blowdown pipe 13-2, its third end connected to the deaerator 14, and its fourth end connected to the feed water input end 1-10 of the wet steam device 1.

[0105] In this embodiment, the steam-water separation system 3 is simultaneously connected to the wet steam device 1, the superheated steam device 2 and the sewage heat exchange system 13, the gas supply control system 5 is simultaneously connected to the wet steam device 1 and the superheated steam device 2, the power supply control system 6 is simultaneously connected to the wet steam device 1 and the superheated steam device 2, the heat output control system 7 is simultaneously connected to the wet steam device 1 and the superheated steam device 2, the flue gas heat exchange system 9 is simultaneously connected to the wet steam device 1, the superheated steam device 2, the feed water control system 8 and the deaerator 14, and the modular superheated steam device 2 is connected to the heat user 4. Thus, a combined device that can input natural gas and electricity simultaneously or at different times on one device to produce high-temperature and high-pressure steam is realized; and when installing this combined device at an oil production site, it avoids occupying a large area of land at the oil production site.

[0106] In the present utility model, the wet steam device 1, the steam-water separation system 3, the superheated steam device 2, the gas supply control system 5, the power supply control system 6, the heat output control system 7, the flue gas heat exchange system 9 and the sewage heat exchange system 13 are all skid-mounted. Exemplarily, the skid-mounted wet steam device 1, the skid-mounted steam-water separation system 3, the skid-mounted superheated steam device 2, the skid-mounted gas supply control system 5, the skid-mounted power supply control system 6, the skid-mounted heat output control system 7, the skid-mounted flue gas heat exchange system 9 and the skid-mounted sewage heat exchange system 13.

[0107] In a specific embodiment, as Figure 2 shown, the wet steam device 1 includes a first centrifugal fan 1-1, a first heat exchanger 1-2, a first electric heater 1-3, a first hot blast stove radiator 1-4, a first gas hot blast stove combustion chamber 1-5 and a first gas burner 1-6. The first centrifugal fan 1-1 is disposed on one side inside the wet steam device 1. The first heat exchanger 1-2 is connected to the first centrifugal fan 1-1 through a first air intake 1-8 and is also connected to a first end group. The first electric heater 1-3 is disposed on the other side inside the wet steam device 1 and is connected to the first heat exchanger 1-2 and is also connected to a first power supply port 1-9 of the wet steam device 1. One end of the first hot blast stove radiator 1-4 is connected to the first centrifugal fan 1-1 through a first blast port 1-7 of the wet steam device 1, and the other end is connected to the first electric heater 1-3. The first gas hot blast stove combustion chamber 1-5 is disposed on the side inside the wet steam device 1 and below the first hot blast stove radiator 1-4 and is connected to the first hot blast stove radiator 1-4 and is also connected to a first flue gas output end 1-13 of the wet steam device 1. The first gas burner 1-6 is disposed on one side of the wet steam device 1, one end is connected to the first gas hot blast stove combustion chamber 1-5, and the other end is connected to a first gas input end 1-12 of the wet steam device 1.

[0108] In this embodiment, the first centrifugal fan 1-1 is connected to the first hot blast stove radiator 1-4 and is connected to the first heat exchanger 1-2 through the first air intake 1-8. At the same time, the first heat exchanger 1-2, the first electric heater 1-3, the first hot blast stove radiator 1-4, the first gas hot blast stove combustion chamber 1-5 and the first gas burner 1-6 are connected in sequence, and a first end group is also connected to the first heat exchanger 1-2. Thus, the wet steam is produced by simultaneously inputting or inputting two kinds of energy, natural gas and electricity, in the wet steam device 1 at the same time or at different times.

[0109] In a specific embodiment, as Figure 2As shown, the first end group includes a feed water input end 1-10 and a wet steam output end 1-11. The feed water input end 1-10 is arranged on the side of the wet steam device 1, with one end connected to the first heat exchanger 1-2 and the other end connected to the flue gas heat exchange system 9. The wet steam output end 1-11 is arranged on the side of the wet steam device 1, with one end connected to the first heat exchanger 1-2 and the other end connected to the steam-water separation system 3.

[0110] In this embodiment, the feed water input end 1-10 and the wet steam output end 1-11 are both connected to the first heat exchanger 1-2, and the other end of the feed water input end 1-10 is connected to the flue gas heat exchange system 9, while the other end of the wet steam output end 1-11 is connected to the steam-water separation system 3.

[0111] Exemplarily, the flue gas duct 9-1 is also connected to the wet steam device 1 and the superheated steam device 2 at the same time.

[0112] In a specific embodiment, as Figure 2 shown, the first power supply port 1-9 is arranged on the side of the wet steam device 1 and is also connected to the power supply control system 6. The first gas input end 1-12 is arranged on one side of the wet steam device 1 and is also connected to the gas supply control system 5. The first flue gas output end 1-13 is arranged on the other side of the wet steam device 1 and is also connected to the flue gas heat exchange system 9.

[0113] In a specific embodiment, as Figure 3 shown, the superheated steam device 2 includes a second centrifugal fan 2-1, a second heat exchanger 2-2, a second electric heater 2-3, a second hot blast stove radiator 2-4, a second gas hot blast stove combustion chamber 2-5, and a second gas burner 2-6. The second centrifugal fan 2-1 is arranged on one side inside the superheated steam device 2. The second heat exchanger 2-2 is connected to the second centrifugal fan 2-1 through the second air inlet 2-8 and is also connected to a second end group. The second electric heater 2-3 is arranged on the other side inside the superheated steam device 2 and is connected to the second heat exchanger 2-2, and is also connected to the second power supply port 2-9 of the superheated steam device 2 at the same time. One end of the second hot blast stove radiator 2-4 is connected to the second centrifugal fan 2-1 through the second air outlet 2-7 of the superheated steam device 2, and the other end is connected to the second electric heater 2-3. The second gas hot blast stove combustion chamber 2-5 is arranged on the side inside the superheated steam device 2 and below the second hot blast stove radiator 2-4, and is connected to the second hot blast stove radiator 2-4, and is also connected to the second flue gas output end 2-13 of the superheated steam device 2 at the same time. The second gas burner 2-6 is arranged on one side of the superheated steam device 2, with one end connected to the second gas hot blast stove combustion chamber 2-5 and the other end connected to the second gas input end 2-12 of the superheated steam device 2.

[0114] In this embodiment, the second centrifugal fan 2-1 is connected to the second hot blast furnace radiator 2-4 and to the second heat exchanger 2-2 via the second air inlet 2-8. Furthermore, the second heat exchanger 2-2, the second electric heater 2-3, the second hot blast furnace radiator 2-4, the second gas hot blast furnace combustion chamber 2-5, and the second gas burner 2-6 are sequentially connected, and the second heat exchanger 2-2 is also connected to a second terminal block. Thus, superheated steam production is achieved by simultaneously or time-sharingly inputting natural gas and electricity into the superheated steam device 2.

[0115] In a specific embodiment, Figure 3 As shown, the second end group includes a wet steam input terminal 2-10 and a superheated steam output terminal 2-11. The wet steam input terminal 2-10 is located on the side of the superheated steam equipment 2, with one end connected to the second heat exchanger 2-2 and the other end connected to the steam-water separation system 3. The superheated steam output terminal 2-11 is located on the side of the superheated steam equipment 2, with one end connected to the second heat exchanger 2-2 and the other end connected to the heat user 4.

[0116] In this embodiment, the wet steam input end 2-10 and the superheated steam output end 2-11 are simultaneously connected to the second heat exchanger 2-2, and the other end of the wet steam input end 2-10 is connected to the steam-water separation system 3, and the other end of the superheated steam output end 2-11 is connected to the heat user 4.

[0117] In a specific embodiment, Figure 3 As shown, the second power supply port 2-9 is provided on the side of the superheated steam device 2 and is also connected to the power supply control system 6. The second gas input port 2-12 is provided on the side of the superheated steam device 2 and is also connected to the gas supply control system 5. The second flue gas output port 2-13 is provided on the side of the superheated steam device 2 and is also connected to the flue gas heat exchange system 9.

[0118] In a specific embodiment, Figure 4 As shown, the main body of the device also includes a first working layer 12, a second working layer 12-2, and a third working layer 12-1. The first working layer 12, located on the bottom floor close to the ground, houses the steam-water separation system 3, the gas supply control system 5, the power supply control system 6, the heat output control system 7, the water supply control system 8, the sewage heat exchange system 13, and the deaerator 14. The second working layer 12-2, located within the top rain shelter 12-3, houses one or more flue gas heat exchange systems 9 and flue gas induced draft fans 9-2. The third working layer 12-1, located between the first and second working layers 12-2, houses the wet steam equipment 1 and the superheated steam equipment 2.

[0119] In this embodiment, the space layout is carried out according to the site of the heat user 4 in the first working layer 12, the second working layer 12-2 and the third working layer 12-1. This space layout is classified, layered and superposed for assembly according to factors such as its type and operation convenience, so as to realize the comprehensive control of the assembled structure equipment, which can not only save the comprehensive floor area, but also facilitate the overall management and maintenance of the equipment.

[0120] Exemplarily, in the third working layer 12-1, multiple working platforms for the wet steam equipment 1 and the superheated steam equipment 2 are arranged according to the distribution ratio to meet the need of superheated steam output.

[0121] As a possible implementation manner, the sewage heat exchange system 13 and the deaerator 14 can also be arranged in the third working layer 12-1.

[0122] In a specific embodiment, in combination with Figure 5 、 Figure 6 and Figure 7 , the electric heater 10 in the first electric heater 1-3 and the second electric heater 2-2 includes a solid heat storage body 10-1, a metal fixing member 10-2 and an electric heating wire 11. The solid heat storage body 10-1 is laid horizontally and longitudinally at the same time. The metal fixing member 10-2 is connected to the laterally adjacent solid heat storage body 10-1 and the longitudinally adjacent solid heat storage body 10-1 at the same time. The electric heating wire 11 is an S-shaped metal wire placed in the solid heat storage body 10-1.

[0123] In this embodiment, the metal fixing member 10-2 is connected and fixed to the upper and lower adjacent solid heat storage bodies 10-1 by a mortise and tenon connection structure. Thus, the electric heater 10 has stable structural strength during handling and working.

[0124] Exemplarily, according to the power of the gas burner, the hot air flow rate can be calculated, and then the thickness of the metal fixing member 10-2 can be adjusted according to the hot air flow rate, so as to change the circulating air resistance and reach the target circulating air resistance, and adapt to the hot air flow rate required by the corresponding gas burner power.

[0125] In order to further implement the mortise and tenon connection method, in a specific embodiment, in combination with Figure 8 and Figure 9 , the metal fixing member 10-2 includes a first metal member 10-2-5, a first protrusion 10-2-2, an equipotential wire groove 10-2-1 and an equipotential wire 10-2-3. The first protrusion 10-2-2 is uniformly arranged on the upper surface and the lower surface of the first metal member 10-2-5 respectively. The equipotential wire groove 10-2-1 is arranged on the upper surface of the first metal member 10-2-5. The equipotential wire 10-2-3 is arranged in the equipotential wire groove 10-2-1.

[0126] In this embodiment, first protrusions 10-2-2 inserted into the solid heat storage body 10-1 are respectively arranged on the upper surface and the lower surface of the first metal part 10-2-5, and the equipotential wire 10-2-3 is fixed in an equipotential wire groove 10-2-1 located on the first metal part 10-2-5 through conductive clay 10-2-4.

[0127] In a specific embodiment, as Figure 7 shown, the solid heat storage body 10-1 includes a first heat storage part 15, a second heat storage part 16, a third heat storage part 17, a first surface 15-1, a second surface 16-1, a third surface 17-1, a fourth surface 15-2 and a first groove. The second heat storage part 16 is connected to one end of the first heat storage part 15. The third heat storage part 17 is connected to the other end on the opposite side of the first heat storage part 15, and the length of the third heat storage part 17 is parallel to the length of the second heat storage part 16. The first surface 15-1 is arranged on the surface of the first heat storage part 15 close to the second heat storage part 16 side and the third heat storage part 17 side. The second surface 16-1 is arranged on the surface of the second heat storage part 16 far from the first heat storage part 15 side. The third surface 17-1 is arranged on the surface of the third heat storage part 17 far from the first heat storage part 15 side. The fourth surface 15-2 is arranged on the surface of the first heat storage part 15 far from the first surface 15-1. The first grooves are respectively and uniformly arranged on the fourth surface 15-2 close to the first protrusions 10-2-2 and are inserted into the first protrusions 10-2-2. Among them, the second surface 16-1 is higher than the first surface 15-1, and the second surface 16-1 and the third surface 17-1 are on the same horizontal line, and the electric heating wire 11 is placed on the first surface 15-1. The longitudinally adjacent first heat storage part 15, the second heat storage part 16, and the third heat storage part 17, and the laterally adjacent first metal part 10-2-5 together enclose a first ventilation duct 10-5.

[0128] In this embodiment, the second heat storage part 16 and the third heat storage part 17 are arranged at both ends of the first heat storage part 15. The first surface 15-1 is located at the top of the first heat storage part 15, the fourth surface 15-2 is located at the bottom of the first heat storage part 15, the second surface 16-1 is located at the top of the second heat storage part 16, the third surface 17-1 is located at the top of the third heat storage part 17, and the first protrusions 10-2-2 are inserted into the first grooves on the fourth surface 15-2 located on the first heat storage part 15.

[0129] The electric heating wire 11 is made into an S-shaped structure and placed on the first surface 15-1, which can avoid the wire collapse failure phenomenon of the spiral structure at high temperatures, can withstand higher temperatures, and then increase the temperature of the electric heater 10.

[0130] Exemplarily, according to the power of the gas burner, the hot air flow rate can be calculated, and then the thickness of the first metal part 10-2-5 can be adjusted according to the hot air flow rate, so as to change the size of the first ventilation duct 10-5.

[0131] In a specific embodiment, as Figure 5 shown, the solid heat storage body 10-1 includes a fourth heat storage body 18, a second groove, a fifth heat storage body 19, a third groove and a fourth groove. The fourth heat storage body 18 is laid both horizontally and vertically. The second grooves are respectively arranged on the fourth heat storage body 18. The fifth heat storage body 19 is laid both horizontally and vertically and is buckled with the fourth heat storage body 18. The third grooves are respectively arranged on the fifth heat storage body 19. The fourth grooves are respectively and evenly arranged on the fourth heat storage body 18 and the fifth heat storage body 19 near the first protrusion 10-2-2 and are inserted into the first protrusion 10-2-2. The second groove and the third groove jointly enclose the second ventilation duct 10-4, and the longitudinally adjacent fifth heat storage body 19, fourth heat storage body 18 and the laterally adjacent metal fixing part 10-2 jointly enclose the third ventilation duct 10-3. The electric heating wire 11 is placed in the second ventilation duct 10-4.

[0132] In this embodiment, the fourth heat storage body 18 is buckled with the fifth heat storage body 19, so that the second groove and the third groove jointly enclose the second ventilation duct 10-4 for placing the electric heating wire 11, and the longitudinally adjacent fifth heat storage body 19, fourth heat storage body 18 and the laterally adjacent metal fixing part 10-2 jointly enclose the third ventilation duct 10-3, the third groove and the fourth groove.

[0133] Exemplarily, according to the power of the gas burner, the hot air flow rate can be calculated, and then the thickness of the first metal part 10-2-5 can be adjusted according to the hot air flow rate, so as to change the size of the third ventilation duct 10-3.

[0134] The electric heating wire 11 is made into an S-shaped structure and placed on the first surface 15-1, which can avoid the phenomenon of wire collapse of the spiral structure at high temperature, can withstand higher temperature, and then improve the temperature of the electric heater 10.

[0135] In this embodiment, the electric heating wire 11 is made into an S-shaped structure and placed in the second ventilation duct 10-4, avoiding the phenomenon of wire collapse of the spiral structure at high temperature, can withstand higher temperature, and then improve the temperature of the electric heater 10.

[0136] The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claimed rights.

Claims

1. A skid-mounted boiler combined device heated by two energy sources of electricity and gas, comprising a device body, characterized in that, The device body includes: Wet steam equipment, with each wet steam equipment in parallel connection; A steam-water separation system, connected to the wet steam output end of the wet steam equipment; Superheated steam equipment, with each superheated steam equipment in parallel connection, and the wet steam input end of the superheated steam equipment is connected to the steam-water separation system, and the superheated steam output end of the superheated steam equipment is connected to the heat user; A gas supply control system, connected to the first gas input end of the wet steam equipment and the second gas input end of the superheated steam equipment; A power supply control system, connected to the first power supply port of the wet steam equipment and the second power supply port of the superheated steam equipment; A heat output control system, connected to the wet steam equipment and the superheated steam equipment; A flue gas heat exchange system, arranged between the flue gas duct and the induced draft fan, and at the same time, one end is connected to the feed water control system, and the other end is connected to a deaerator; A sewage heat exchange system, with the first end connected to the steam-water separation system through the sewage pipe of the steam-water separation system, the second end connected to a blowdown pipe, the third end connected to the deaerator, and the fourth end connected to the feed water input end of the wet steam equipment.

2. The skid-mounted boiler combination device heated by two energy sources of electricity and gas according to claim 1, characterized in that The wet steam equipment includes: A first centrifugal fan, arranged on one side inside the wet steam equipment; A first heat exchanger, connected to the first centrifugal fan through a first air inlet, and also connected to a first end group; A first electric heater, arranged on the other side inside the wet steam equipment, and connected to the first heat exchanger, and at the same time, is also connected to the first power supply port of the wet steam equipment; A first hot blast stove radiator, with one end connected to the first centrifugal fan through the first air blast port of the wet steam equipment, and the other end connected to the first electric heater; A first gas-fired hot blast stove combustion chamber, arranged on the side inside the wet steam equipment and below the first hot blast stove radiator, and connected to the first hot blast stove radiator, and at the same time, is also connected to the first flue gas output end of the wet steam equipment; A first gas burner, arranged on one side of the wet steam equipment, with one end connected to the first gas-fired hot blast stove combustion chamber, and the other end connected to the first gas input end of the wet steam equipment.

3. The skid-mounted boiler combination device heated by two energy sources of electricity and gas according to claim 2, characterized in that, The first end group includes: A feed water input end, arranged on the side of the wet steam equipment, with one end connected to the first heat exchanger and the other end connected to the flue gas heat exchange system; A wet steam output end, arranged on the side of the wet steam equipment, with one end connected to the first heat exchanger and the other end connected to the steam-water separation system.

4. The skid-mounted boiler combined device heated by two energy sources of electricity and gas according to claim 2, wherein The first power supply port is arranged on the side of the wet steam equipment and is also connected to the power supply control system; The first gas input end is arranged on one side of the wet steam equipment and is also connected to the gas supply control system; The first flue gas output end is arranged on the other side of the wet steam equipment and is also connected to the flue gas heat exchange system.

5. The skid-mounted boiler combination device heated by two energy sources of electricity and gas according to claim 1, wherein The superheated steam equipment includes: A second centrifugal fan, arranged on one side inside the superheated steam equipment; The second heat exchanger is connected to the second centrifugal fan through the second air intake, and is also connected to the second end group; The second electric heater is arranged on the other side inside the superheated steam equipment, is connected to the second heat exchanger, and is also connected to the second power supply port of the superheated steam equipment; One end of the second hot blast stove radiator is connected to the second centrifugal fan through the second air blast port of the superheated steam equipment, and the other end is connected to the second electric heater; The second gas hot blast stove combustion chamber is arranged on the side inside the superheated steam equipment and below the second hot blast stove radiator, is connected to the second hot blast stove radiator, and is also connected to the second flue gas output end of the superheated steam equipment; The second gas burner is arranged on one side of the superheated steam equipment, one end is connected to the second gas hot blast stove combustion chamber, and the other end is connected to the second gas input end of the superheated steam equipment.

6. The skid-mounted boiler combination device heated by electricity and gas as claimed in claim 5, wherein, The second end group includes: The wet steam input end is arranged on the side of the superheated steam equipment, one end is connected to the second heat exchanger, and the other end is connected to the steam-water separation system; The superheated steam output end is arranged on the side of the superheated steam equipment, one end is connected to the second heat exchanger, and the other end is connected to the heat user.

7. The skid-mounted boiler combined device heated by two energy sources of electricity and gas according to claim 5, characterized in that The second power supply port is arranged on the side of the superheated steam equipment and is also connected to the power supply control system; The second gas input end is arranged on one side of the superheated steam equipment and is also connected to the gas supply control system; The second flue gas output end is arranged on one side of the superheated steam equipment and is also connected to the flue gas heat exchange system.

8. The skid-mounted boiler combination device heated by two energy sources of electricity and gas according to claim 1, characterized in that, The device body further includes: The first working layer is located at the bottom close to the ground, and the steam-water separation system, the gas supply control system, the power supply control system, the heat output control system, the feed water control system, the sewage heat exchange system and the deaerator are respectively placed; The second working layer is located in the rain shelter at the top, and one or more of the flue gas heat exchange systems and the flue gas induced draft fans are arranged; The third working layer is respectively located between the first working layer and the second working layer, and the wet steam equipment and the superheated steam equipment are respectively placed.

9. The skid-mounted boiler combined device heated by two energy sources of electricity and gas according to claim 1, wherein The wet steam equipment includes a first electric heater, the superheated steam equipment includes a second electric heater, and the electric heater in the first electric heater and the second electric heater includes: The solid heat storage body is laid horizontally and longitudinally at the same time; The metal fixing parts are connected to the laterally adjacent solid heat storage bodies and the longitudinally adjacent solid heat storage bodies at the same time; The electric heating wire is an S-shaped metal wire placed in the solid heat storage body.

10. The skid-mounted boiler combination device heated by two energy sources of electricity and gas according to claim 9, characterized in that, The metal fixing parts include: The first metal part; The first convex parts are uniformly arranged on the upper surface and the lower surface of the first metal part respectively; The equipotential wire groove is arranged on the upper surface of the first metal part; The equipotential wire is arranged in the equipotential wire groove.

11. The skid-mounted boiler combination device heated by two energy sources of electricity and gas according to claim 10, characterized in that, The solid heat storage body includes: The first heat storage part; The second heat storage part is connected to one end of the first heat storage part; The third heat storage member is connected to the other end opposite to the first heat storage member, and the length of the third heat storage member is parallel to the length of the second heat storage member; The first surface is disposed on the surface of the first heat storage member near the second heat storage member side and the third heat storage member side; The second surface is disposed on the surface of the second heat storage member away from the first heat storage member side; The third surface is disposed on the surface of the third heat storage member away from the first heat storage member side; The fourth surface is disposed on the surface of the first heat storage member away from the first surface; The first grooves are respectively and uniformly disposed on the fourth surface near the first protrusion member and are inserted into the first protrusion member; Wherein, the second surface is higher than the first surface, and the second surface and the third surface are on the same horizontal line, and the electric heating wire is placed on the first surface; The first heat storage member, the second heat storage member, the third heat storage member adjacent longitudinally, and the first metal member adjacent laterally together enclose a first ventilation duct.

12. The skid-mounted boiler combined device heated by two energy sources of electricity and gas according to claim 10, characterized in that, The solid heat storage body includes: The fourth heat storage body is laid both horizontally and longitudinally; The second grooves are respectively disposed on the fourth heat storage body; The fifth heat storage body is laid both horizontally and longitudinally and is buckled with the fourth heat storage body; The third grooves are respectively disposed on the fifth heat storage body; The fourth grooves are respectively and uniformly disposed on the fourth heat storage body and the fifth heat storage body near the first protrusion member and are inserted into the first protrusion member; The second grooves and the third grooves together enclose a second ventilation duct, and the fifth heat storage body, the fourth heat storage body adjacent longitudinally, and the metal fixing member adjacent laterally together enclose a third ventilation duct; The electric heating wire is placed in the second ventilation duct.

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