Steam generating device
By incorporating coils and heat-absorbing fins in the steam generator, and combining this with the inner and outer furnace jacket insulation design, the water heating process is optimized, solving the problem of low furnace space utilization and achieving more efficient steam generation and energy utilization.
Patent Information
- Application Number
- CN202423306146.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing steam generators, although the folded design of the drain pipe inside the furnace increases the length, the space utilization is not high, resulting in a limited heating water capacity and failing to effectively improve steam generation efficiency.
A coil is installed inside the furnace, with the water inlet located in the preheating zone and the water outlet located in the heating zone. Heat-absorbing fins are installed on the coil. Combined with the inner and outer furnace jacket insulation design, the waste heat of the preheating zone and the heat from the heating source are used to optimize the water heating process through the circulating water tank and steam-water separator.
It increases the amount of hot water received within a limited space, improves steam generation efficiency, reduces energy loss, and enhances heating efficiency and space utilization.
Smart Images
Figure CN223677775U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of generating device, especially, relate to a steam generating device. BACKGROUND
[0002] The traditional steam generator is commonly known as boiler, and the working principle is mainly based on the thermodynamic principle, heat is generated by fuel combustion, water is heated to boiling state, the circulating heated water will produce steam after a certain temperature, and finally the generated steam is introduced into the steam pipeline. However, in the existing steam generator, the drain pipe in the furnace body is mostly in the form of folding on the same plane, although this folding form can also increase the length of the drain pipe in the furnace body, but the space utilization rate of the furnace body is still not high enough. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at the above problems existing in the prior art, and provides a steam generator with increased water heating capacity in the limited space of the furnace body.
[0004] The utility model discloses a steam generating device, which comprises:
[0005] A furnace body is provided with a heating cavity, one end of the furnace body is provided with a heating source, and the furnace body comprises a heating zone and a preheating zone.
[0006] An exhaust pipe is connected in communication with the preheating zone and the heating cavity.
[0007] A coil pipe is arranged in the heating cavity, the water inlet of the coil pipe is arranged in the preheating zone, the water outlet of the coil pipe is arranged in the heating zone, the water outlet of the coil pipe is provided with a steam-water separator, and the steam-water separator is connected with an outlet pipe.
[0008] In the steam generating device, heat absorbing fins are arranged on the coil pipe in the heating zone.
[0009] In the steam generating device, the furnace body comprises an inner furnace and an outer furnace, the heating cavity is arranged in the inner furnace, a first heat preservation interlayer is arranged between the inner furnace and the outer furnace, and the first heat preservation interlayer is filled with heat preservation material.
[0010] In the steam generating device, a circulating water tank is further arranged, the water inlet of the circulating water tank is connected in communication with the water outlet of the steam-water separator, and the water outlet of the circulating water tank is connected in communication with the water inlet of the coil pipe.
[0011] In the steam generating device, the circulating water tank and the water outlet of the steam-water separator are connected in communication through an inverted bucket drain valve.
[0012] In the steam generating device, a first blowdown pipe is arranged in communication with the steam-water separator, the first blowdown pipe extends through the circulating water tank, and the first blowdown pipe in the circulating water tank is arranged in a spiral shape.
[0013] In the steam generating device, a second blowdown pipe is arranged in communication with the bottom of the steam-water separator.
[0014] In the steam generating device, a water outlet of the steam-water separator is arranged in communication with a drainage inner pipe, the drainage inner pipe is located in the circulating water tank, the bottom of the drainage inner pipe is arranged in line with two rows of first drainage holes, the drainage inner pipe is sleeved with a drainage outer pipe, a drainage cavity is formed between the drainage inner pipe and the drainage outer pipe, and the drainage outer pipe is arranged with second drainage holes in communication with the drainage cavity.
[0015] In the steam generating device, the circulating water tank comprises an outer tank, an inner tank is arranged in the outer tank, a second thermal insulation interlayer is arranged between the inner tank and the outer tank, a thermal insulation material is arranged in the second thermal insulation interlayer, and a water storage cavity is arranged in the inner tank.
[0016] In the steam generating device, a mounting tank is further arranged, a mounting cavity is arranged in the mounting tank, the furnace body is located in the mounting cavity, the smoke exhaust pipe is arranged at one end of the furnace body and extends out of the mounting tank, the heating source is arranged at the other end of the furnace body, and the circulating water tank and the steam-water separator are arranged on the side of the furnace body and are distributed along the length direction of the furnace body, the circulating water tank is arranged at one end close to the steam-water separator, and the steam-water separator is arranged at the other end of the furnace body.
[0017] Compared with the prior art, the beneficial effects of the steam generating device are as follows: the coil pipe arranged in the furnace body can increase the amount of heated water as much as possible in the limited space of the furnace body, and more steam can be generated; the heating source on the furnace body generates hot gas, which is discharged through the smoke exhaust pipe after passing through the heating cavity, the water inlet on the coil pipe is arranged in the preheating area, that is, the water in the coil pipe first absorbs the heat (waste heat of the discharged flue gas) of the preheating area, and then flows to the heating area to absorb the heat generated by the heating source, thereby improving the heating efficiency and reducing the energy loss as much as possible. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 is Figure 1 a schematic diagram of the plane structure of the utility model;
[0020] Figure 3 is Figure 2 a schematic diagram of the cross-sectional structure of the utility model;
[0021] Figure 4 is the internal structure diagram of the circulating water tank;
[0022] Figure 5 is the three-dimensional structure diagram of the drain inner pipe;
[0023] Figure 6 is Figure 2 the second cross-sectional structure diagram.
[0024] In the figure, furnace body 100; heating area 101; preheating area 102; coil pipe 103; heat absorbing fin 104; inner furnace 105; outer furnace 106; first heat preservation interlayer 107; exhaust pipe 200; steam-water separator 300; first blowdown pipe 301; second blowdown pipe 302; drain inner pipe 303; first drain hole 304; drain outer pipe 305; second drain hole 306; steam outlet pipe 307; circulating water tank 400; inverted bucket drain valve 401; outer tank 402; inner tank 403; second heat preservation interlayer 404; mounting tank 500. DETAILED DESCRIPTION
[0025] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings, but the present application is not limited to these embodiments.
[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.
[0027] As shown in Figures 1-6 , a steam generating device comprises:
[0028] Furnace body 100, a heating cavity is arranged in furnace body 100, one end of furnace body 100 is provided with a heating source, and furnace body 100 comprises heating area 101 and preheating area 102;
[0029] Exhaust pipe 200, exhaust pipe 200 is connected with the heating cavity in preheating area 102;
[0030] Coil pipe 103, coil pipe 103 is arranged in the heating cavity, the water inlet of coil pipe 103 is arranged in preheating area 102, the water outlet of coil pipe 103 is arranged in heating area 101, the water outlet of coil pipe 103 is provided with steam-water separator 300, and steam outlet pipe 307 is connected to steam-water separator 300.
[0031] In the embodiment, the coil 103 in the furnace body 100 is arranged so as to increase the amount of heated water as much as possible in the limited space of the furnace body 100, and more steam can be generated; the heat source on the furnace body 100 generates hot gas, which is discharged through the exhaust pipe 200 after passing through the heating cavity, and the water inlet on the coil 103 is arranged in the preheating area 102, that is, the water in the coil 103 first absorbs the heat (waste heat of the exhaust gas) of the preheating area 102, and then flows to the heating area 101 to absorb the heat generated by the heat source, thereby improving the heating efficiency and reducing energy loss as much as possible.
[0032] It is worth mentioning that the coil 103 refers to the coil of the drain pipe in the same plane, and then the multiple coils 103 are connected to form a.
[0033] It should be noted that one end of the furnace body 100 is communicated with a gas pipe, so that the open fire in the heating cavity can be heated.
[0034] As a preferred, the coil 103 in the heating area 101 is provided with heat absorbing fins 104, which increase the contact area between the coil 103 and the surrounding medium (such as high-temperature flue gas generated by combustion or direct flame), thereby accelerating the heat transfer process from the heat source to the water.
[0035] Further preferably, the furnace body 100 comprises an inner furnace 105 and an outer furnace 106, the heating cavity is located in the inner furnace 105, and a first heat preservation layer 107 is arranged between the inner furnace 105 and the outer furnace 106, the first heat preservation layer 107 is filled with heat preservation material, so as to reduce the heat loss in the furnace body 100 as much as possible.
[0036] As a preferred, it further comprises a circulating water tank 400, the water inlet of the circulating water tank 400 is communicated with the water outlet of the steam-water separator 300, and the water outlet of the circulating water tank 400 is communicated with the water inlet of the coil 103.
[0037] In the embodiment, in order to fully utilize the energy, the liquid separated by the steam-water separator 300 is temporarily stored in the circulating water tank 400, the liquid collected in the circulating water tank 400 flows to the water inlet of the coil 103, and the liquid separated by the oil-gas separator still has a certain residual temperature, which can reduce the heat required for boiling and speed up the heat absorption and boiling.
[0038] It should be noted that the liquid in the circulating water tank 400 serves as a supplementary water source, and the coil 103 is provided with a direct water inlet for supplying water to the coil 103.
[0039] Further preferably, the circulating water tank 400 and the water outlet of the steam-water separator 300 are communicated through an inverted bucket drain valve 401, so that only liquid can enter the circulating water tank 400.
[0040] Further preferably, a first blowdown pipe 301 is arranged in communication with the steam-water separator 300, and extends through the circulating water tank 400, and is arranged in a spiral manner in the circulating water tank 400.
[0041] In this embodiment, the liquid discharged through the blowdown pipe also has a temperature, and in order not to waste this temperature, the first blowdown pipe 301 of the steam-water separator 300 is arranged to extend through the circulating water tank 400, and the water in the circulating water tank 400 is in contact with the wall of the first blowdown pipe 301 to absorb the heat in the first blowdown pipe 301, and the first blowdown pipe 301 is arranged in a spiral manner to increase the residence time of the liquid in the first blowdown pipe 301 in the circulating water tank 400.
[0042] Of course, the bottom of the circulating water tank 400 is also provided with a direct drain pipe, and when the internal pressure is too high, the water inside is directly drained to the outside.
[0043] Further preferably, a second blowdown pipe 302 is arranged in communication with the bottom of the steam-water separator 300.
[0044] In this embodiment, the first blowdown pipe 301 can provide heat to the circulating water tank 400, and the second blowdown pipe 302 serves as a safety pipe to prevent the internal pressure of the steam-water separator 300 from being too high.
[0045] Further preferably, a drain inner pipe 303 is arranged in communication with the water outlet of the steam-water separator 300, and the drain inner pipe 303 is located in the circulating water tank 400, and the bottom of the drain inner pipe 303 is arranged with two rows of first drain holes 304, and the drain inner pipe 303 is sleeved with a drain outer pipe 305, and a closed drain cavity is formed between the drain inner pipe 303 and the drain outer pipe 305, and the drain outer pipe 305 is provided with a second drain hole 306 in communication with the drain cavity.
[0046] In this embodiment, the drain inner pipe 303 is located inside the circulating water tank 400 and directly receives water from the steam-water separator 300, and the bottom of the drain inner pipe 303 has two rows of first drain holes 304, which serve to evenly distribute the water flow into the circulating water tank 400 to avoid impact caused by concentrated water flow, and also help to reduce air bubbles in the water; the drain outer pipe 305 is sleeved outside the drain inner pipe 303 to form a closed drain cavity between the drain inner pipe 303 and the drain outer pipe 305, and the water flowing out of the first drain holes 304 first enters the drain cavity, and then flows into the circulating water tank 400 through the second drain hole 306 of the drain outer pipe 305, and such a double-pipe design helps to control the direction of the water flow and increase the path length of the water before entering the water tank, thereby possibly more effectively removing air or small bubbles entrained in the water.
[0047] Further preferably, the circulating water tank 400 comprises an outer tank 402, an inner tank 403 is arranged in the outer tank 402, a second heat insulation layer 404 is arranged between the outer tank 402 and the inner tank 403, the second heat insulation layer 404 is provided with heat insulation material, and a water storage cavity is arranged in the inner tank 403, so as to reduce the heat loss in the circulating water tank 400 as much as possible.
[0048] Further preferably, the installation tank 500 is further provided with an installation cavity, the furnace body 100 is arranged in the installation cavity, the smoke exhaust pipe 200 is arranged at one end of the furnace body 100 and extends out of the installation tank 500, the heating source is arranged at the other end of the furnace body 100, and the circulating water tank 400 and the steam-water separator 300 are both arranged at the side of the furnace body 100 and are distributed along the length direction of the furnace body 100, the circulating water tank 400 is arranged at one end close to the steam-water separator 300, and the steam-water separator is arranged at the other end of the furnace body 100.
[0049] In the embodiment, the installation cavity is further arranged, so that the position of the entire steam generating device can be transferred, and meanwhile, the steam-water separator 300 is arranged at the other end close to the furnace body 100, so that the water in the coil 103 in the heating area 101 can directly flow to the steam-water separator 300, and the length of the flow path between the two is reduced, and the circulating water tank 400 is arranged at one end of the furnace body 100, so that the water in the circulating water tank 400 can flow to the furnace body 100 while the length of the flow path is reduced.
[0050] It should be noted that in the present application, the flow control of the liquid can be realized by arranging a water pump on the pipeline.
[0051] It should be noted that in the present application, the description of "first", "second", "one" and the like is only for the purpose of description and cannot be understood as indicating or implying the relative importance of the technical features indicated or the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited. The terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0052] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist, and is not within the protection scope required by the present application.
[0053] The specific embodiments described herein are merely illustrative of the present application. Those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.
Claims
1. A steam generating device, characterized by, The utility model relates to a kind of heating furnace, including: Furnace body, heating cavity is arranged in the furnace body, one end of the furnace body is provided with heating source, the furnace body includes heating zone and preheating zone; Exhaust pipe, the exhaust pipe is located in the preheating zone and the heating cavity is communicated; Coil pipe, the coil pipe is located in the heating cavity, and the water inlet of the coil pipe is arranged in preheating zone, the water outlet of the coil pipe is arranged in heating zone, the water outlet of the coil pipe is provided with steam-water separator, and the steam-water separator is connected with steam pipe.
2. A steam generating device according to claim 1, wherein Heat-absorbing fins are arranged on the coil pipe in the heating zone.
3. A steam generating device according to claim 1, wherein The furnace body includes inner furnace and outer furnace, the heating cavity is located in the inner furnace, and a first thermal insulation interlayer is arranged between the inner furnace and the outer furnace, and the first thermal insulation interlayer is filled with thermal insulation material.
4. A steam generating device according to claim 1, wherein It also includes circulating water tank, the water inlet of the circulating water tank is communicated with the water outlet of the steam-water separator, and the water outlet of the circulating water tank is communicated with the water inlet of the coil pipe.
5. A steam generating device according to claim 4, wherein The water outlet of the steam-water separator is communicated with the circulating water tank through inverted bucket trap.
6. A steam generating device according to claim 4, wherein The steam-water separator is communicated with the first blowdown pipe, the first blowdown pipe penetrates the circulating water tank and extends out, and the first blowdown pipe in the circulating water tank is arranged in a spiral manner.
7. A steam generating device according to claim 6, wherein The bottom of the steam-water separator is communicated with the second blowdown pipe.
8. The steam generating device of claim 4, wherein The water outlet of the steam-water separator is communicated with the inner drain pipe, the inner drain pipe is located in the circulating water tank, the bottom of the inner drain pipe is arranged with two rows of first drain holes, the outer portion of the inner drain pipe is sleeved with outer drain pipe, the inner drain pipe and the outer drain pipe form a drain cavity, and the outer drain pipe is provided with second drain hole communicated with the drain cavity.
9. The steam generating device of claim 4, wherein The circulating water tank includes outer tank, inner tank is arranged in the outer tank, second thermal insulation interlayer is arranged between the inner tank and the outer tank, thermal insulation material is arranged in the second thermal insulation interlayer, and water storage cavity is arranged in the inner tank.
10. The steam generating device of claim 4, wherein It also includes mounting box, mounting cavity is arranged in the mounting box, the furnace body is located in the mounting cavity, the exhaust pipe is arranged at one end of the furnace body and extends out of the mounting box, the heating source is arranged at the other end of the furnace body, and the circulating water tank and the steam-water separator are arranged on the side of the furnace body and distributed along the length direction of the furnace body, the circulating water tank is arranged close to one end of the steam-water separator, and the steam-water separator is located at the other end of the furnace body.