Heat pipe hot blast stove
By designing multiple smoke passages and heat exchange sections in the heat pipe hot air furnace, the smoke content is reduced during multiple heat exchange and cooling, solving the problem of excessive flue gas in the prior art causing blockage of heat exchange channels, and achieving more efficient heat exchange and more stable device operation.
Patent Information
- Application Number
- CN202411995929.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-03-18
AI Technical Summary
The existing heat pipe hot air furnace has too large flue gas during the heat exchange process, which leads to blockage of the heat exchange channel, which is relatively inconvenient.
A heat pipe hot air furnace is designed, including a furnace body, a furnace combustion assembly, a first heat exchange assembly, a second heat exchange assembly and a smoke exhaust assembly. By setting multiple pass-smoke channels and heat exchange sections along the direction of flue gas flow, the flue gas undergoes multiple heat exchange and cooling in the multiple heat exchange sections and channels to reduce the smoke content and reduce the probability of blockage.
It effectively reduces the smoke content in the flue gas, reduces the probability of the second heat exchange module being blocked, and improves the heat exchange efficiency and the stability of the device.
Smart Images
Figure CN119642404A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of heat exchange technology, and in particular to a heat pipe hot air furnace. Background Art
[0002] A heat pipe hot air furnace is a heat energy conversion device that transfers the heat generated by fuel combustion to the air, heating the air to a higher temperature to form hot air. In common technologies, a heat pipe hot air furnace usually produces a lot of smoke during the heat exchange process, and the smoke will block the heat exchange channel, which is inconvenient. Summary of the invention
[0003] The main purpose of the present invention is to provide a heat pipe hot blast furnace to solve the problem in the prior art that excessive smoke leads to blockage of the heat exchange channel.
[0004] To achieve the above object, the present invention provides a heat pipe hot blast stove, comprising a stove body, characterized in that it also comprises a furnace combustion component, a first heat exchange component, a second heat exchange component and a smoke exhaust component, wherein the furnace combustion component, the first heat exchange component and the second heat exchange component are all arranged inside the stove body, wherein:
[0005] The furnace body is also provided with a first smoke passage, a second smoke passage, and a third smoke passage that are sequentially connected and connected along the direction of smoke flow, the first smoke passage is arranged vertically, the second smoke passage and the third smoke passage are located at the bottom of the inner cavity of the furnace body, and the third smoke passage and the second smoke passage are arranged vertically;
[0006] The first heat exchange assembly and the second heat exchange assembly are both arranged to extend vertically, the first heat exchange assembly comprises a mounting section and a heat exchange section which are arranged opposite to each other in the direction of the smoke itself extending, the mounting section is connected to the furnace body, and the heat exchange section is placed in the second smoke passage;
[0007] A fourth smoke passage extending vertically is formed inside the second heat exchange component, and the fourth smoke passage passes through the fifth smoke passage and the smoke exhaust component to discharge the furnace smoke to the outside of the furnace body;
[0008] Among them, the flue gas generated by the furnace combustion component flows through the first smoke passage channel into the second smoke passage channel and the heat exchange section for the first heat exchange. After the first heat exchange, the flue gas flows through the third smoke passage channel, the fourth smoke passage channel and the second heat exchange component for heat exchange, and then flows to the smoke exhaust component through the fifth smoke passage channel.
[0009] In one embodiment, the second heat exchange component is a shell-and-tube heat exchanger, and the second heat exchange component includes a plurality of heat exchange tube bundles, and the plurality of heat exchange tube bundles are extended in a vertical direction to accommodate the passage of flue gas.
[0010] In one embodiment, the fourth smoke passage is located in the second heat exchange component.
[0011] In one embodiment, the furnace body is provided with a cold air inlet assembly and a hot air outlet assembly, and a cold air heat exchange channel is formed between adjacent cold air inlet assemblies and hot air outlet assemblies. The cold air from the cold air inlet assembly undergoes heat exchange in the cold air heat exchange channel and the first heat exchange assembly. The cold air after heat exchange becomes hot air and is then discharged to the outside of the furnace body through the hot air outlet assembly.
[0012] In one embodiment, a mounting plate is further included, wherein the mounting plate is disposed inside the furnace body, and the first smoke passage and the first heat exchange assembly are mounted on the mounting plate.
[0013] In one embodiment, the first heat exchange component is a heat pipe heat exchanger, the heat exchange section on the first heat exchange component is located below the mounting plate, the heat exchange section extends into the second smoke passage, and the mounting section is located above the mounting plate.
[0014] In one embodiment, a heat transfer port is provided on the furnace body at a position corresponding to the installation section, and the heat transfer port is connected to the hot air outlet assembly.
[0015] In one embodiment, the fifth smoke passage is located above the second heat exchange component, the smoke exhaust passage is installed on the upper part of the furnace body, and the fifth smoke passage is communicated with the smoke exhaust component.
[0016] In one embodiment, the furnace combustion assembly includes a furnace and a fuel bin, the furnace and the fuel bin are both disposed in the furnace body, and the fuel bin is in communication with the interior of the furnace.
[0017] In one embodiment, it further includes a ash cleaning port, which is arranged at the bottom of the furnace body and communicates with the second smoke passage.
[0018] In an embodiment of the present application, the heat exchange section of the first heat exchange component extends into the second smoke channel. When the smoke passes through the second smoke channel, the temperature of the heat exchange section is lower than that of the smoke, and the smoke dust is cooled and settles in the second smoke channel. This can greatly reduce the smoke dust content and reduce the probability of blockage of the second heat exchange component. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0020] Figure 1 It is a schematic diagram of the structure of a heat pipe hot air furnace in one embodiment of the present invention;
[0021] Figure 2 A bottom view of a heat pipe hot air furnace in one embodiment of the present invention;
[0022] Figure 3 A side view of a heat pipe hot air stove in one embodiment of the present invention;
[0023] Figure 4 It is a side view of a heat pipe hot air stove from another perspective in one embodiment of the present invention.
[0024] Description of the drawings: 1. Furnace body; 11. Mounting plate; 2. Furnace combustion assembly; 21. Furnace; 22. Fuel bin 3. First heat exchange assembly; 31. Mounting section; 32. Heat exchange section; 4. Second heat exchange assembly; 41. Heat exchange tube bundle; 5. Smoke exhaust assembly; 61. First smoke passage; 62. Second smoke passage; 63. Third smoke passage; 64. Fourth smoke passage; 65. Fifth smoke passage; 7. Cold air inlet assembly; 8. Hot air outlet assembly; 9. Heat transfer port; 10. Ash cleaning port. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0026] Furthermore, the technical solutions between the various embodiments of the present invention may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in the field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0027] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in the present invention, both endpoints of each numerical range and any value between the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present invention are familiar to those skilled in the art and the description of the present invention, and any methods, equipment and materials of the prior art similar or equivalent to the methods, equipment and materials described in the embodiments of the present invention can also be used to implement the present invention.
[0028] The present invention provides a heat pipe hot blast stove, comprising a stove body 1, characterized in that it also comprises a furnace combustion component 2, a first heat exchange component, a second heat exchange component 4 and a smoke exhaust component 5, wherein the furnace combustion component 2, the first heat exchange component and the second heat exchange component 4 are all arranged inside the stove body 1, wherein:
[0029] The furnace body 1 is further provided with a first smoke passage 61, a second smoke passage 62, and a third smoke passage 63 which are connected in sequence along the direction of smoke flow. The first smoke passage 61 is arranged vertically, and the second smoke passage 62 and the third smoke passage 63 are located at the bottom of the inner cavity of the furnace body 1. The third smoke passage 63 and the second smoke passage 62 are arranged vertically.
[0030] The first heat exchange assembly and the second heat exchange assembly 4 are both arranged to extend vertically, the first heat exchange assembly includes a mounting section 31 and a heat exchange section 32 which are arranged opposite to each other in the direction of the smoke itself extending, the mounting section 31 is connected to the furnace body 1, and the heat exchange section 32 is placed in the second smoke passage 62;
[0031] A fourth smoke passage 64 extending vertically is formed inside the second heat exchange assembly 4. The fourth smoke passage 64 passes through the fifth smoke passage 65 and the smoke exhaust assembly 5 to exhaust the smoke from the furnace 21 to the outside of the furnace body 1.
[0032] Among them, the flue gas generated by the furnace combustion component 2 flows through the first smoke passage 61 into the second smoke passage 62 and the heat exchange section 32 for the first heat exchange. After the first heat exchange, the flue gas flows through the third smoke passage 63, the fourth smoke passage 64 and the second heat exchange component 4 for heat exchange, and then flows to the smoke exhaust component 5 through the fifth smoke passage 65.
[0033] In the embodiment of the present application, the furnace combustion component 2 is used to heat the air entering the furnace body 1. After the flue gas passes through the furnace 21, it passes through the first smoke passage 61, the second smoke passage 62, the third smoke passage 63, the fourth smoke passage 64 and the fifth smoke passage 65 in sequence. The first heat exchange component and the second heat exchange component 4 exchange heat with the flue gas, and the flue gas is pre-cooled and settled in the second smoke passage 62. The smoke content in the flue gas is reduced, and the probability of blockage of the first heat exchange component and the second heat exchange component 4 is reduced. After heat exchange, the heat in the flue gas is transferred to the outside of the furnace body 1 through the first heat exchange component.
[0034] In one embodiment, the second heat exchange component 4 is a shell-and-tube heat exchanger, and the second heat exchange component 4 includes a plurality of heat exchange tube bundles 41 , and the plurality of heat exchange tube bundles 41 are extended in a vertical direction to accommodate the passage of flue gas.
[0035] In the embodiment of the present application, the second heat exchange component 4 is a shell-and-tube heat exchanger, and a plurality of heat exchange tube bundles 41 are arranged in the second heat exchange component 4 and extend in the vertical direction, which can increase the heat exchange area and improve the heat exchange efficiency.
[0036] In one embodiment, the fourth smoke passage 64 is located in the second heat exchange component 4 .
[0037] It should be noted that the fourth smoke passage 64 is composed of a plurality of heat exchange tube bundles 41 .
[0038] In the embodiment of the present application, the fourth smoke passage 64 is located in the second heat exchange component 4, which can cool the internal smoke more efficiently and reduce the temperature of the smoke when it is discharged, so as to reduce the damage of subsequent devices caused by high-temperature smoke.
[0039] In one embodiment, the furnace body 1 is provided with a cold air inlet assembly 7 and a hot air outlet assembly 8, and a cold air heat exchange channel is formed between the adjacent cold air inlet assemblies 7 and hot air outlet assemblies 8. The cold air from the cold air inlet assembly 7 undergoes heat exchange with the first heat exchange assembly in the cold air heat exchange channel. After the heat exchange, the cold air becomes hot air and is discharged to the outside of the furnace body 1 through the hot air outlet assembly 8.
[0040] It should be noted that there are multiple cold air inlet assemblies 7 and one hot air outlet assembly 8 , and the cold air inlet assemblies 7 are respectively arranged on different sides of the furnace body 1 .
[0041] In the embodiment of the present application, a cold air heat exchange channel is provided to allow the cold air to exchange heat with the first heat exchange component inside the furnace body 1, thereby more efficiently recovering the heat energy in the furnace and stably generating hot air to be discharged from the furnace body 1. Such a structure is relatively simple and convenient, has high heat exchange efficiency and low maintenance cost.
[0042] In one embodiment, a mounting plate 11 is further included. The mounting plate 11 is disposed inside the furnace body 1 , and the first smoke passage 61 and the first heat exchange assembly are mounted on the mounting plate 11 .
[0043] It should be noted that the mounting plate 11 is sealedly connected to the bottom of the first smoke passage 61 and the first heat exchange component, and the mounting end above the first heat exchange component is not connected to the second smoke passage 62 below.
[0044] In the embodiment of the present application, the mounting plate 11 is arranged inside the furnace body 1, and the first smoke passage 61 and the first heat exchange component are installed on the mounting plate 11. This can more firmly stabilize the position of the first smoke passage 61 and the first heat exchange component in the furnace body 1 and improve the stability of the device.
[0045] In one embodiment, the first heat exchange component is a heat pipe heat exchanger, the heat exchange section 32 on the first heat exchange component is located below the mounting plate 11 , the heat exchange section 32 extends into the second smoke passage 62 , and the mounting section 31 is located above the mounting plate 11 .
[0046] In the embodiment of the present application, the first heat exchange component is a heat pipe heat exchanger, which has a high thermal conductivity and can transfer heat relatively quickly. The heat exchange section 32 on the first heat exchange component is located below the mounting plate 11, and the heat exchange section 32 extends into the second smoke passage 62. The mounting section 31 is located above the mounting plate 11, so that the smoke can pass through the second smoke passage 62 below the mounting plate 11, and the air transmitted after heat exchange by the mounting section 31 has less smoke and dust.
[0047] In one embodiment, a heat transfer port 9 is provided on the furnace body 1 at a position corresponding to the installation section 31 , and the heat transfer port 9 is connected to the hot air outlet assembly 8 .
[0048] It should be noted that the heat transfer port 9 is a through hole, and the air heated by the mounting section 31 enters the hot air outlet assembly 8 through the heat transfer port 9 .
[0049] In the embodiment of the present application, a heat transfer port 9 corresponding to the position of the installation section 31 is opened on the furnace body 1, and the heat transfer port 9 is connected to the hot air outlet assembly 8, so that a direct and efficient heat transfer path can be formed, the heat exchange efficiency can be improved, and the hot air can be output stably.
[0050] In one embodiment, the fifth smoke passage 65 is located above the second heat exchange component 4 , the smoke exhaust channel is installed on the upper part of the furnace body 1 , and the fifth smoke passage 65 is connected to the smoke exhaust component 5 .
[0051] In the embodiment of the present application, the fifth smoke passage 65 is arranged above the second heat exchange component 4, and the smoke exhaust channel is installed on the upper part of the furnace body 1 and is connected to the fifth smoke passage 65, so that the smoke in the second heat exchange component 4 can be discharged to the outside of the furnace body 1, so that the smoke generated in the furnace 21 can be stably discharged from the furnace body 1, thereby improving the stability of the device.
[0052] In one embodiment, the furnace combustion assembly 2 includes a furnace 21 and a fuel bin. Both the furnace 21 and the fuel bin are disposed in the furnace body 1 , and the fuel bin is communicated with the interior of the furnace 21 .
[0053] In the embodiment of the present application, the furnace combustion assembly 2 includes a furnace 21 and a fuel bin, and the fuel bin is connected to the interior of the furnace 21, so that the fuel in the fuel bin can be easily added to the furnace 21, so that the furnace 21 can maintain a continuous and stable combustion state and continuously provide high-temperature flue gas.
[0054] In one embodiment, a ash cleaning port 10 is further included. The ash cleaning port 10 is disposed at the bottom of the furnace body 1 and is communicated with the second smoke passage 62 .
[0055] It should be noted that the smoke is pre-cooled and settled after contacting the heat exchange section 32 of the first heat exchange assembly, and falls into the second smoke passage 62 below.
[0056] In the embodiment of the present application, the cleaning port 10 is connected to the bottom of the furnace body 1 and the second smoke passage 62. The staff can clean the accumulated smoke and dust in time through the cleaning port 10 to keep the furnace body 1 running continuously, which is relatively simple and convenient for maintenance. In the above technical scheme of the present invention, the above is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. A heat pipe hot air furnace, comprising a furnace body, characterized in that: It also includes a furnace combustion component, a first heat exchange component, a second heat exchange component and a smoke exhaust component, wherein the furnace combustion component, the first heat exchange component and the second heat exchange component are all arranged inside the furnace body, wherein: The furnace body is also provided with a first smoke passage, a second smoke passage, and a third smoke passage that are sequentially connected and connected along the direction of smoke flow, the first smoke passage is arranged vertically, the second smoke passage and the third smoke passage are located at the bottom of the inner cavity of the furnace body, and the third smoke passage and the second smoke passage are arranged vertically; The first heat exchange assembly and the second heat exchange assembly are both arranged to extend vertically, the first heat exchange assembly comprises a mounting section and a heat exchange section which are arranged opposite to each other in the direction of the smoke itself extending, the mounting section is connected to the furnace body, and the heat exchange section is placed in the second smoke passage; A fourth smoke passage extending vertically is formed inside the second heat exchange component, and the fourth smoke passage passes through the fifth smoke passage and the smoke exhaust component to discharge the furnace smoke to the outside of the furnace body; Among them, the flue gas generated by the furnace combustion component flows through the first smoke passage channel into the second smoke passage channel and the heat exchange section for the first heat exchange. After the first heat exchange, the flue gas flows through the third smoke passage channel, the fourth smoke passage channel and the second heat exchange component for heat exchange, and then flows to the smoke exhaust component through the fifth smoke passage channel.
2. The heat pipe hot air stove according to claim 1, characterized in that: The second heat exchange component is a shell-and-tube heat exchanger, and the second heat exchange component includes a plurality of heat exchange tube bundles, and the plurality of heat exchange tube bundles are extended in a vertical direction to accommodate the passage of flue gas.
3. The heat pipe hot air stove according to claim 1, characterized in that: The fourth smoke passage is located in the second heat exchange component.
4. The heat pipe hot air stove according to claim 1, characterized in that: The furnace body is provided with a cold air inlet assembly and a hot air outlet assembly, and a cold air heat exchange channel is formed between adjacent cold air inlet assemblies and hot air outlet assemblies. The cold air from the cold air inlet assembly undergoes heat exchange with the first heat exchange assembly in the cold air heat exchange channel, and the cold air after heat exchange becomes hot air, and is then discharged to the outside of the furnace body through the hot air outlet assembly.
5. The heat pipe hot air stove according to claim 1, characterized in that: It also includes a mounting plate, which is arranged inside the furnace body, and the first smoke passage and the first heat exchange component are installed on the mounting plate.
6. The heat pipe hot air stove according to claim 5, characterized in that: The first heat exchange component is a heat pipe heat exchanger, the heat exchange section on the first heat exchange component is located below the mounting plate, the heat exchange section extends into the second smoke passage, and the mounting section is located above the mounting plate.
7. The heat pipe hot air stove according to claim 1, characterized in that: A heat transfer port is provided on the furnace body at a position corresponding to the installation section, and the heat transfer port is communicated with the hot air outlet assembly.
8. The heat pipe hot air stove according to claim 1, characterized in that: The fifth smoke passage is located above the second heat exchange component, the smoke exhaust passage is installed on the upper part of the furnace body, and the fifth smoke passage is communicated with the smoke exhaust component.
9. The heat pipe hot air stove according to claim 1, characterized in that: The furnace combustion assembly comprises a furnace and a fuel bin, wherein the furnace and the fuel bin are both arranged in the furnace body, and the fuel bin is communicated with the interior of the furnace.
10. The heat pipe hot air stove according to claim 1, characterized in that: It also includes a ash cleaning port, which is arranged at the bottom of the furnace body and is connected to the second smoke passage.