Liquid cooling device for waste incineration system
By adopting a liquid cooling device in the waste incineration system and using liquid cooling pipes to exchange heat with the flue gas, the problem of low air cooling efficiency is solved, efficient cooling of the flue gas and ash separation are achieved, and the energy-saving performance of the system is improved.
Patent Information
- Application Number
- CN202422653838.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-10-31
AI Technical Summary
In existing waste incineration systems, the air cooling method has low cooling efficiency, resulting in a high ash content in the flue gas.
A liquid-cooled cooling device is used, which uses liquid cooling pipes to exchange heat with the flue gas, and increases the contact area through flat tubes, thereby improving cooling efficiency and promoting ash separation.
The flue gas cooling efficiency is improved, the ash content in the flue gas is reduced, and the energy-saving effect of the system is improved.
Smart Images

Figure CN223412078U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of garbage incineration, in particular to a liquid cooling device for a garbage incineration system. Background Art
[0002] In waste incineration pyrolysis and gasification systems, an air-cooled heat exchanger device is usually used. On the one hand, this device can cool the flue gas generated by incineration, and on the other hand, it can preheat the air injected into the combustion chamber. While injecting air to assist combustion, it will not cause the temperature in the combustion chamber to drop, thereby improving the energy saving effect of the entire system. However, the existing technology uses air cooling to cool the flue gas, but its cooling efficiency is low, resulting in a large amount of soot in the discharged flue gas. Utility Model Content
[0003] The utility model provides a liquid cooling device for a garbage incineration system, which can improve the cooling efficiency of ash.
[0004] In order to solve the above technical problems, the utility model provides a liquid cooling device for a waste incineration system, comprising:
[0005] A device housing, wherein the interior of the device housing has a storage space, and the device housing is provided with a smoke inlet and a smoke outlet, at least the smoke inlet is connected to the waste incineration system, and the smoke inlet and the smoke outlet are both connected to the storage space;
[0006] Liquid cooling pipes, there are multiple liquid cooling pipes, multiple liquid cooling pipes extend into the accommodating space, the inlet end and the outlet end of the liquid cooling pipe extend out of the accommodating space, the liquid cooling pipe is a flat tube, the inlet end and the outlet end of the liquid cooling pipe are connected to the cold source equipment to form a circulation path for the heat exchange medium, the flat tube extending into the accommodating space is zigzag in shape and is located between the flue gas inlet and the flue gas outlet.
[0007] As a preferred embodiment of the above technical solution, the width direction of the flat tube is consistent with the vertical direction, the smoke outlet is located above the flat tube, and the smoke inlet is located below the flat tube.
[0008] As a preferred embodiment of the above technical solution, the multiple flat tubes extending into the accommodating space are parallel to each other and are distributed at equal intervals, and a flat tube channel is formed between every two adjacent flat tubes.
[0009] As a preferred embodiment of the above technical solution, the device shell includes an upper shell, a middle shell and a lower shell, the two ends of the middle shell are detachably connected to the upper shell and the lower shell respectively, the smoke inlet is arranged in the lower shell, the smoke outlet is arranged in the upper shell, and the flat tube is installed on the middle shell.
[0010] As a preferred embodiment of the above technical solution, the lower end of the lower shell is narrowed from top to bottom to form a tapered portion, and an ash outlet is formed at the lower end of the tapered portion.
[0011] As a preferred embodiment of the above technical solution, an ash discharge valve is provided at the ash outlet.
[0012] As a preferred embodiment of the above technical solution, an observation port is provided on the upper shell, and the upper shell and the middle shell are rectangular shells. The upper end of the upper shell is closed, the lower end of the upper shell is open, and both ends of the middle shell are open. The lower end of the upper shell is connected to the upper end of the middle shell, and the lower end opening of the upper shell and the upper end opening of the middle shell are connected to each other so that the internal space of the upper shell and the internal space of the middle shell are connected to each other.
[0013] As a preferred embodiment of the above technical solution, a connecting seat is provided on the outer wall of the lower shell.
[0014] As a preferred embodiment of the above technical solution, the flat tube is detachably connected to the device housing.
[0015] As a preferred embodiment of the above technical solution, each of the flat tubes includes a heat exchange flat tube section and a connecting flat tube section, the heat exchange flat tube section and the connecting flat tube section are U-shaped, and multiple mounting openings are formed on both sides of the device shell, the shape of the mounting openings is consistent with the cross-sectional shape of the flat tube, and the mounting openings for mounting a flat tube are arranged in the vertical direction, the heat exchange flat tube section extends from the mounting opening on one side of the device shell and extends from the mounting opening on the other side, and two adjacent exchange flat tube sections are connected by the connecting flat tube section, and connecting flanges are provided on the connecting flat tube section near both ends, and the ends of the connecting flat tube sections are inserted into the heat exchange flat tube sections, and the ends of the heat exchange flat tube sections are detachably connected to the connecting flanges by fasteners, and the connecting flanges are detachably connected to the outer wall of the device shell by fasteners, and a sealing component is provided between the connecting flange and the end face of the heat exchange flat tube section, and the sealing component extends to between the outer wall of the device shell and the connecting flange.
[0016] The utility model provides a liquid cooling device for a waste incineration system, which includes a device shell and a liquid cooling pipe. There is a accommodating space inside the device shell. When the device is working, the flue gas generated by the combustion of the waste incineration system enters the accommodating space through the flue gas inlet and is then discharged from the flue gas outlet. The liquid cooling pipe extends into the accommodating space, and the inlet end and the outlet end of the liquid cooling pipe are connected to a cold source device to form a circulation channel. The liquid cooling medium circulates in the circulation channel under the drive of the cold source device, and the liquid cooling pipe exchanges heat with the flue gas in the accommodating space. Since the liquid cooling pipe adopts a flat tube, the flat tube can increase the contact area with the flue gas, which can improve the cooling efficiency of the flue gas. In the process of cooling the flue gas, the soot can be quickly cooled, separated and dropped, thereby reducing the soot content of the discharged flue gas.
[0017] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A schematic diagram of the three-dimensional structure of a liquid cooling device for a waste incineration system according to this embodiment is shown;
[0019] Figure 2 A schematic diagram of the three-dimensional structure of a liquid cooling device for a waste incineration system according to this embodiment is shown from another angle;
[0020] Figure 3 A schematic diagram of the connection structure of the liquid cooling pipe in this embodiment is shown;
[0021] Figure 4 shows a schematic structural diagram of the housing in this embodiment;
[0022] In the figure: 10, device shell; 20, flue gas outlet; 30, flue gas inlet; 40, connecting seat; 50, ash discharge valve; 60, liquid cooling pipe; 70, sealing component; 101, upper shell; 102, middle shell; 103, lower shell; 1011, observation port; 1021, installation opening; 1031, tapered portion; 601, heat exchange flat pipe section; 602, connecting flat pipe section; 6021, connecting flange. DETAILED DESCRIPTION
[0023] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described 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 those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.
[0024] See also Figures 1 to 4 The present invention provides a liquid cooling device for a waste incineration system, comprising:
[0025] The device housing 10 has a storage space inside. The device housing 10 is provided with a smoke inlet 30 and a smoke outlet 20. At least the smoke inlet 30 is connected to the waste incineration system. The smoke inlet 30 and the smoke outlet 20 are both connected to the storage space.
[0026] The liquid cooling pipe 60 is a plurality of liquid cooling pipes 60 , and the plurality of liquid cooling pipes 60 extend into the accommodation space. The inlet and outlet ends of the liquid cooling pipe 60 extend out of the accommodation space. The liquid cooling pipe 60 is a flat tube. The inlet and outlet ends of the liquid cooling pipe 60 are connected to the cold source equipment to form a circulation path for the heat exchange medium. The flat tube extending into the accommodation space is in a zigzag shape and is located between the flue gas inlet 30 and the flue gas outlet 20 .
[0027] This embodiment provides a liquid-cooling cooling device for a waste incineration system, which includes a device shell 10 and a liquid cooling pipe 60. There is a storage space inside the device shell 10. When it is working, the flue gas generated by the combustion of the waste incineration system enters the storage space through the flue gas inlet 30 and is then discharged from the flue gas outlet 20. The liquid cooling pipe 60 extends into the storage space. The inlet end and the outlet end of the liquid cooling pipe 60 are connected to the cold source equipment to form a circulation channel. The liquid cooling medium circulates in the circulation channel under the drive of the cold source equipment. The liquid cooling pipe 60 exchanges heat with the flue gas in the storage space. Since the liquid cooling pipe 60 adopts a flat tube, the use of the flat tube can increase the contact area with the flue gas, which can improve the cooling efficiency of the flue gas. During the process of cooling the flue gas, the soot can be quickly cooled, separated and dropped, thereby reducing the soot content of the discharged flue gas.
[0028] In a further embodiment of the present invention, the width direction of the flat tube is consistent with the vertical direction, the smoke outlet 20 is located above the flat tube, and the smoke inlet 30 is located below the flat tube.
[0029] In this embodiment, the flue gas enters from the bottom and is discharged from the top.
[0030] In a further possible implementation of this embodiment, the plurality of flat tubes extending into the accommodating space are parallel to each other and are distributed at equal intervals, and a flat tube channel is formed between every two adjacent flat tubes.
[0031] In this embodiment, the smoke passes between adjacent flat tubes, which not only reduces the obstruction to the flow of smoke but also increases the contact area.
[0032] In a further embodiment of this embodiment, the device shell 10 includes an upper shell 101, a middle shell 102 and a lower shell 103, the two ends of the middle shell 102 are detachably connected to the upper shell 101 and the lower shell 103 respectively, the smoke inlet 30 is arranged in the lower shell 103, the smoke outlet 20 is arranged in the upper shell 101, and the flat tube is installed on the middle shell 102.
[0033] In a further embodiment of the present invention, the lower end of the lower shell 103 is narrowed from top to bottom to form a tapered portion 1031 , and an ash outlet is formed at the lower end of the tapered portion 1031 .
[0034] In a further possible implementation of this embodiment, an ash discharge valve 50 is provided at the ash outlet.
[0035] In a further embodiment of this embodiment, an observation port 1011 is provided on the upper shell 101, the upper shell 101 and the middle shell 102 are rectangular shells, the upper end of the upper shell 101 is closed, the lower end of the upper shell 101 is open, and the two ends of the middle shell 102 are open. The lower end of the upper shell 101 is connected to the upper end of the middle shell 102, and the lower end opening of the upper shell 101 and the upper end opening of the middle shell 102 are connected to each other so that the internal space of the upper shell 101 and the internal space of the middle shell 102 are connected to each other.
[0036] In a further embodiment of the present invention, a connecting seat 40 is provided on the outer wall of the lower shell 103 .
[0037] In a further embodiment of the present invention, the flat tube is detachably connected to the device housing 10 .
[0038] In a further embodiment of the present invention, each flat tube includes a heat exchange flat tube section 601 and a connecting flat tube section 602. The heat exchange flat tube section 601 and the connecting flat tube section 602 are U-shaped. A plurality of mounting openings 1021 are formed on both sides of the device housing 10. The shape of the mounting openings 1021 is consistent with the cross-sectional shape of the flat tube. The mounting openings 1021 for mounting a flat tube are arranged in a vertical direction. The heat exchange flat tube section 601 extends from the mounting opening 1021 on one side of the device housing 10 and extends from the mounting opening 1021 on the other side. There is a passage between two adjacent heat exchange flat tube sections. The heat exchange flat tube section 601 is connected through a connecting flat tube section 602. A connecting flange 6021 is provided on the connecting flat tube section 602 near both ends. The end of the connecting flat tube section 602 is inserted into the heat exchange flat tube section 601. The end of the heat exchange flat tube section 601 and the connecting flange 6021 are detachably connected by fasteners. The connecting flange 6021 is detachably connected to the outer wall of the device shell 10 by fasteners. A sealing component 70 is provided between the connecting flange 6021 and the end face of the heat exchange flat tube section 601. The sealing component 70 extends to between the outer wall of the device shell 10 and the connecting flange 6021.
[0039] In this embodiment, the size of the connecting flat tube section 602 corresponds to the size of the inner hole of the heat exchange flat tube section 601. When connecting, the heat exchange flat tube section 601 is inserted from the installation opening 1021 on one side and passed through the installation opening 1021 on the other side. Then, the end of the connecting flat tube section 602 is inserted into the heat exchange flat tube section 601 and then the connecting flange 6021 is fixedly connected to the end of the heat exchange flat tube section 601 by bolts. Then, the connecting flange 6021 is fixed to the middle shell 102. The sealing component 70 is a soft sealing rubber ring, which can improve the sealing performance of the connection between the heat exchange flat tube section 601 and the connecting flat tube section 602 to prevent heat from leaking. Exchange medium leakage. In addition, the sealing component 70 is located between the connecting flange 6021 and the middle shell 102, which can play a buffering role, improve the connection strength of the fasteners, and prevent vibration. In addition, extending to the entire connecting flange 6021 further improves the sealing performance, and the connecting flange 6021 is connected to the middle shell 102, making installation more convenient. During installation, it is only necessary to insert the heat exchange flat tube section 601 into the installation opening 1021. During disassembly, it is only necessary to detach the connecting flange 6021 from the middle shell 102 and the end of the heat exchange flat tube section 601 to pull out the heat exchange flat tube section 601.
[0040] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and integrate different embodiments or examples described in this specification, as well as features of different embodiments or examples, unless they are mutually inconsistent.
[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.
[0042] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A liquid cooling device for a waste incineration system, characterized in that: include: A device housing, wherein the interior of the device housing has a storage space, and the device housing is provided with a smoke inlet and a smoke outlet, at least the smoke inlet is connected to the waste incineration system, and the smoke inlet and the smoke outlet are both connected to the storage space; Liquid cooling pipes, there are multiple liquid cooling pipes, multiple liquid cooling pipes extend into the accommodating space, the inlet end and the outlet end of the liquid cooling pipe extend out of the accommodating space, the liquid cooling pipe is a flat tube, the inlet end and the outlet end of the liquid cooling pipe are connected to the cold source equipment to form a circulation path for the heat exchange medium, the flat tube extending into the accommodating space is zigzag in shape and is located between the flue gas inlet and the flue gas outlet.
2. The liquid cooling device for a waste incineration system according to claim 1, characterized in that: The width direction of the flat tube is consistent with the vertical direction, the smoke outlet is located above the flat tube, and the smoke inlet is located below the flat tube.
3. The liquid cooling device for a waste incineration system according to claim 2, characterized in that: A plurality of flat tubes extending into the accommodating space are parallel to each other and are distributed at equal intervals, and a flat tube channel is formed between every two adjacent flat tubes.
4. The liquid cooling device for a waste incineration system according to claim 2, characterized in that: The device shell includes an upper shell, a middle shell and a lower shell. The two ends of the middle shell are detachably connected to the upper shell and the lower shell respectively. The smoke inlet is arranged in the lower shell, the smoke outlet is arranged in the upper shell, and the flat tube is installed on the middle shell.
5. The liquid cooling device for a waste incineration system according to claim 4, characterized in that: The lower end of the lower shell is narrowed from top to bottom to form a tapered portion, and an ash outlet is formed at the lower end of the tapered portion.
6. The liquid cooling device for a waste incineration system according to claim 5, characterized in that: An ash discharge valve is provided at the ash outlet.
7. The liquid cooling device for a waste incineration system according to claim 4, characterized in that: An observation port is provided on the upper shell. The upper shell and the middle shell are rectangular shells. The upper end of the upper shell is closed, the lower end of the upper shell is open, and both ends of the middle shell are open. The lower end of the upper shell is connected to the upper end of the middle shell, and the lower end opening of the upper shell and the upper end opening of the middle shell are connected to each other so that the internal space of the upper shell and the internal space of the middle shell are connected to each other.
8. The liquid cooling device for a waste incineration system according to claim 4, characterized in that: A connecting seat is provided on the outer wall of the lower shell.
9. The liquid cooling device for a waste incineration system according to claim 3, characterized in that: The flat tube is detachably connected to the device housing.
10. The liquid cooling device for a waste incineration system according to claim 9, characterized in that: Each of the flat tubes includes a heat exchange flat tube section and a connecting flat tube section, the heat exchange flat tube section and the connecting flat tube section are U-shaped, and a plurality of mounting openings are formed on both sides of the device shell, the shape of the mounting openings is consistent with the cross-sectional shape of the flat tube, and the mounting openings for mounting a flat tube are arranged in the vertical direction, the heat exchange flat tube section extends from the mounting opening on one side of the device shell and extends from the mounting opening on the other side, and two adjacent exchange flat tube sections are connected by the connecting flat tube section, and connecting flanges are provided on the connecting flat tube section near both ends, and the ends of the connecting flat tube sections are inserted into the heat exchange flat tube sections, and the ends of the heat exchange flat tube sections are detachably connected to the connecting flanges by fasteners, and the connecting flanges are detachably connected to the outer wall of the device shell by fasteners, and a sealing component is provided between the connecting flange and the end face of the heat exchange flat tube section, and the sealing component extends to be located between the outer wall of the device shell and the connecting flange.