Filtering structure, heat exchange fan and waste incineration system
By installing a filter structure, including first and second barrier sections, at the air inlet duct of the heat exchanger fan in the waste incineration system, the problem of particulate matter blockage caused by airflow is solved, achieving effective filtration and convenient cleaning.
Patent Information
- Application Number
- CN202520558571.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-27
AI Technical Summary
In traditional waste-to-energy processes, particulate matter generated by airflow can easily cause blockages in the air preheater.
A filter structure is installed at the air inlet duct of the heat exchanger in the waste incineration system, including a first and a second barrier. The first barrier is arranged along the axial direction of the air inlet duct and has a perforation. The second barrier can fill the perforation and is movable. Channels are evenly distributed on both to filter the fluid. The second barrier can move back and forth for easy cleaning.
It effectively filters particulate matter entering the heat exchanger, preventing blockages and facilitating cleaning, thus reducing the risk of air inlet duct blockage.
Smart Images

Figure CN223945261U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to thermal power generation technical field especially, it is a kind of filter structure, heat exchange fan and refuse incineration system. BACKGROUND
[0002] Garbage power generation refers to the form of power generation that through special incineration boiler to burn municipal solid waste, and then through steam turbine generator set to generate electricity, and garbage power generation is divided into two categories of garbage incineration power generation and landfill gas power generation.
[0003] In the running process of traditional garbage power generation, some particulate matters are brought along with airflow movement, and these particulate matters are easy to cause the problem of air preheater blockage after entering the air preheater along with airflow movement.
[0004] Therefore, the above technical problems need to be further solved. INVENTION CONTENTS
[0005] The utility model aims at providing a kind of filter structure, heat exchange fan and refuse incineration system to alleviate the technical problems existing in the above related technology.
[0006] The utility model provides a kind of filter structure, it is applied to the air inlet pipeline of heat exchange fan body in garbage incineration system, including:
[0007] First barrier portion is arranged in the air inlet pipeline along the axial direction perpendicular to the air inlet pipeline, and the first barrier portion has a hollow portion thereon;
[0008] Second barrier portion is movably arranged in the air inlet pipeline, and the hollow portion is filled up, one side of the second barrier portion extends along the direction perpendicular to the fluid flow in the air inlet pipeline, and penetrates the air inlet pipeline, and is exposed outside the air inlet pipeline;
[0009] Wherein, the first barrier portion and the second barrier portion all have a plurality of interval arranged channels on them, for fluid flow, and the second barrier portion can reciprocate on the air inlet pipeline along the direction perpendicular to the fluid flow in the air inlet pipeline.
[0010] The purpose of the present application and the technical problems thereof can also be realized by the following technical measures.
[0011] Optionally, the filter structure described above, wherein one side of the hollow portion can be connected with the outside world through the part of the second barrier portion penetrating the air inlet pipeline.
[0012] Optionally, the filter structure described above, wherein the first barrier portion includes:
[0013] A first filter screen, mesh holes of the first filter screen forming the passage, the first filter screen having the hollows;
[0014] The first filter screen is made of metal material.
[0015] Optionally, the filter structure as claimed in the preceding embodiment, wherein the second blocking part comprises:
[0016] A filter assembly, the filter assembly having the passage, the filter assembly filling the hollows;
[0017] A hand-held plate, located outside the air inlet pipe and connected with the filter assembly;
[0018] The hand-held plate is clamped with the outer wall of the air inlet pipe.
[0019] Optionally, the filter structure as claimed in the preceding embodiment, wherein the filter assembly comprises:
[0020] A second filter screen, mesh holes of the second filter screen forming the passage, the second filter screen filling the hollows, the second filter screen being connected with the hand-held plate.
[0021] The second filter screen is made of metal material.
[0022] Optionally, the filter structure as claimed in the preceding embodiment, wherein the filter assembly comprises:
[0023] A frame, the frame filling the hollows and being connected with the hand-held plate;
[0024] A third filter screen with elasticity, mesh holes of the third filter screen forming the passage, the third filter screen being laid in the frame;
[0025] The third filter screen can be deformed and retain the filtered impurities in the mesh bag after deformation.
[0026] Optionally, the filter structure as claimed in the preceding embodiment, wherein the second blocking part further comprises:
[0027] A sealing member, the sealing member being arranged between the filter assembly and the hand-held plate.
[0028] In another aspect, the application provides a heat exchange fan, comprising:
[0029] A filter structure, applied to an air inlet pipe of a heat exchange fan body in a waste incineration system, the filter structure comprising:
[0030] A first blocking part, arranged in the air inlet pipe along an axial direction perpendicular to the air inlet pipe, the first blocking part having hollows.
[0031] A second blocking part is movably arranged in the air inlet pipe and fills the hollow part, one side of the second blocking part extends along a direction perpendicular to the fluid flow in the air inlet pipe and penetrates the air inlet pipe and is exposed outside the air inlet pipe;
[0032] The first blocking part and the second blocking part each have a plurality of spaced channels for the fluid flow, and the second blocking part can reciprocate on the air inlet pipe along a direction perpendicular to the fluid flow in the air inlet pipe.
[0033] In another aspect, the application provides a waste incineration system, comprising:
[0034] A heat exchange fan, comprising:
[0035] A filtering structure is applied to an air inlet pipe of a heat exchange fan body in a waste incineration system, and the filtering structure comprises:
[0036] A first blocking part is arranged in the air inlet pipe along a direction perpendicular to an axial direction of the air inlet pipe, and the first blocking part has a hollow part;
[0037] A second blocking part is movably arranged in the air inlet pipe and fills the hollow part, one side of the second blocking part extends along a direction perpendicular to the fluid flow in the air inlet pipe and penetrates the air inlet pipe and is exposed outside the air inlet pipe;
[0038] The first blocking part and the second blocking part each have a plurality of spaced channels for the fluid flow, and the second blocking part can reciprocate on the air inlet pipe along a direction perpendicular to the fluid flow in the air inlet pipe.
[0039] By the above technical solution, the filtering structure, the heat exchange fan and the waste incineration system provided by the application have at least the following advantages:
[0040] The filtering structure provided by the application can effectively filter the fluid entering the heat exchange fan body in advance, so as to avoid some particulate matters entering the heat exchange fan body along with the air flow, thereby avoiding the problem of clogging of the heat exchange fan body. BRIEF DESCRIPTION OF DRAWINGS
[0041] In order to more clearly illustrate the technical solutions in the specific embodiments or related art of the present application, the drawings needed to be used in the specific embodiments or related art description will be briefly introduced as follows. Obviously, the drawings described in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0042] Figure 1 The structure diagram of the air inlet pipeline of the heat exchange fan body provided by the embodiment of the present application is shown in the figure.
[0043] Figure 2 The structure diagram of one embodiment of the filter assembly of the filter structure provided by the embodiment of the present application is shown in the figure.
[0044] Figure 3 The structure diagram of another embodiment of the filter assembly of the filter structure provided by the embodiment of the present application is shown in the figure.
[0045] Figure 4 The structure diagram of the third filter screen of the filter structure provided by the embodiment of the present application is shown in the figure.
[0046] Icon:
[0047] 1, first barrier; 2, second barrier; 21, hand plate; 22, filter assembly; 221, third filter screen; 222, frame; 3, sealing element. DETAILED DESCRIPTION
[0048] The technical solutions of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0049] In the description of the present application, it should be pointed out that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0050] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to specific circumstances.
[0051] Embodiment one
[0052] As Figure 1 The filter structure provided by embodiment one of the utility model is applied to the air inlet pipeline of the heat exchange fan body in the garbage incineration system, and comprises:
[0053] A first blocking part 1 is arranged in the air inlet pipeline along the axial direction perpendicular to the air inlet pipeline, and the first blocking part 1 has a hollow part;
[0054] A second blocking part 2 is movably arranged in the air inlet pipeline and fills the hollow part, one side of the second blocking part 2 extends along the direction perpendicular to the fluid flow in the air inlet pipeline and penetrates through the air inlet pipeline and is exposed outside the air inlet pipeline;
[0055] The first blocking part 1 and the second blocking part 2 both have a plurality of spaced channels for fluid flow, and the second blocking part 2 can reciprocate on the air inlet pipeline along the direction perpendicular to the fluid flow in the air inlet pipeline.
[0056] Specifically, the first blocking part 1 is arranged in the air inlet pipeline, the first blocking part 1 has a hollow part, the second blocking part 2 fills the hollow part and forms the effect of intercepting the cross section at the air inlet pipeline of the heat exchange fan body, and the first blocking part 1 and the second blocking part 2 both have a plurality of spaced channels for fluid flow, which can filter the fluid entering the heat exchange fan body in advance to avoid some particulate matter entering the heat exchange fan body with the movement of the airflow, so as to avoid the problem of clogging of the heat exchange fan body.
[0057] Furthermore, the second barrier 2 can reciprocate along the air intake duct in a direction perpendicular to the fluid flow within the duct. This structural design allows for detachment, making it easy for technicians to remove the second barrier 2 from the air intake duct to clean the particles adhering to it. Finally, after the second barrier 2 is removed from the air intake duct, an opening will be created in the duct, allowing technicians to clean the area of the air intake duct near the first barrier 1 and the first barrier 1, thus preventing duct blockage caused by excessive particles.
[0058] The filtration structure provided in this embodiment of the utility model can effectively filter the fluid entering the heat exchanger body in advance, so as to avoid some particulate matter entering the heat exchanger body with the airflow and causing blockage of the heat exchanger body.
[0059] like Figure 2 - Figure 3 As shown, in a specific implementation, the hollowed-out side can be connected to the outside through the portion of the air inlet pipe that passes through the second barrier 2.
[0060] Specifically, the perforation is long and narrow. This structural design facilitates regular cleaning of the air intake duct, further reducing the risk of blockage caused by excessive particulate matter.
[0061] like Figure 2 - Figure 3 As shown, in a specific implementation, the first barrier 1 includes:
[0062] A first filter screen, wherein the mesh openings on the first filter screen form the channels, and the first filter screen has the perforations;
[0063] The first filter screen is made of metal material.
[0064] Specifically, this application provides an embodiment of a first barrier part 1, wherein the first barrier part 1 includes a first filter screen, which is made of metal material and has elongated perforations. A second barrier part 2 fills the perforations. The first filter screen can be directly connected to the air inlet duct, or it can be indirectly connected through other devices. The connection can be detachable or fixed, such as by bolting, snap-fitting, or welding.
[0065] The first filter screen can effectively filter the fluid entering the heat exchanger body in advance, so as to prevent some particulate matter from entering the heat exchanger body with the airflow and causing blockage.
[0066] likeFigure 2 Figure 3 As shown in the specific implementation, the second barrier portion 2 comprises:
[0067] A filter assembly 22 having the passages thereon, the filter assembly 22 filling the hollows of the first filter screen;
[0068] A handheld plate 21 located outside the air inlet duct and connected with the filter assembly 22;
[0069] The handheld plate 21 is clamped with the outer wall of the air inlet duct.
[0070] Specifically, the application provides a specific implementation of the second barrier portion 2, that is, the second barrier portion 2 comprises a filter assembly 22 and a handheld plate 21.
[0071] The filter assembly 22 has a plurality of passages for fluid to pass through, the filter assembly 22 fills the hollows of the first filter screen, and extends to the outside of the air inlet duct along the direction of the hollows and is connected with the handheld plate 21, the handheld plate 21 is used for hand holding, and the filter assembly 22 can be separated from the air inlet duct when the device is later maintained by the technical personnel.
[0072] The filter assembly 22 cooperates with the first filter screen, which can effectively filter the fluid entering the heat exchanger fan body in advance, so as to avoid some particulate matters entering the heat exchanger fan body along with the movement of the airflow, so as to avoid the problem of clogging of the heat exchanger fan body.
[0073] As shown in the specific implementation, the filter assembly 22 comprises: Figure 2 A second filter screen, the mesh holes of the second filter screen forming the passages, the second filter screen filling the hollows, and the second filter screen being connected with the handheld plate 21.
[0074] Specifically, the application provides an implementation of the filter assembly 22, that is, the filter assembly 22 comprises a second filter screen, the second filter screen being made of a metal material, and the second filter screen being connected with the handheld plate 21, which can be connected in a detachable manner or in a fixed connection manner, for example, bolt connection or welding.
[0075] The first filter screen cooperates with the second filter screen, which can effectively filter the fluid entering the heat exchanger fan body in advance, so as to avoid some particulate matters entering the heat exchanger fan body along with the movement of the airflow, so as to avoid the problem of clogging of the heat exchanger fan body.
[0076] As shown in the specific implementation, the filter assembly 22 comprises:
[0077] Figure 3 Figure 4 As shown in the specific implementation, wherein the filter assembly 22 comprises:
[0078] A frame 222, which fills the hollow and is connected to the handheld plate 21;
[0079] A third filter screen 221 with elasticity, the mesh holes on the third filter screen 221 form the channels, and the third filter screen 221 is laid in the frame 222;
[0080] The third filter screen 221 can be deformed and retain the impurities filtered out in the mesh bag after the deformation of the third filter screen 221.
[0081] Specifically, the application provides another embodiment of the filter assembly 22, that is, the filter assembly 22 comprises a third filter screen 221 and a frame 222, the third filter screen 221 can be deformed, the frame 222 fills the hollow and is connected to the handheld plate 21, and the third filter screen 221 is laid in the frame 222. When the device is filtering, the third filter screen 221 can be deformed into the shape of a mesh bag due to the adhesion of particulate matters and the influence of the fluid flow rate, so that the particulate matters adhered to the third filter screen 221 can be retained in the mesh bag after the deformation of the third filter screen 221, without affecting the filtering effect of the device.
[0082] The frame 222 supports and fixes the third filter screen 221, and can be connected to the handheld plate 21 in a detachable manner or in a fixed connection manner, such as bolt connection or welding. The frame 222 and the third filter screen 221 can be directly connected or indirectly connected, and the connection can be detachable or fixed, such as bonding, screwing, clamping, etc.
[0083] As shown in the specific implementation, Figure 2 - Figure 3 The second barrier portion 2 further comprises:
[0084] A sealing member 3 arranged between the filter assembly 22 and the handheld plate 21.
[0085] Specifically, the structure design can facilitate the improvement of the air tightness of the air inlet pipeline, so as to avoid the leakage problem due to the poor air tightness of the air inlet pipeline when the heat exchange fan body is working.
[0086] Embodiment two
[0087] As shown in the specific implementation, Figure 1 - Figure 4 The utility model embodiment two provides a heat exchange fan, which comprises:
[0088] A filter structure is applied to an air inlet pipeline of a heat exchange fan body in a waste incineration system, and the filter structure comprises:
[0089] A first blocking part 1 is arranged in the air inlet pipeline in a direction perpendicular to an axial direction of the air inlet pipeline, and the first blocking part 1 has an openwork;
[0090] A second blocking part 2 is movably arranged in the air inlet pipeline and fills the openwork, one side of the second blocking part 2 extends in a direction perpendicular to fluid flow in the air inlet pipeline and penetrates through the air inlet pipeline and is exposed outside the air inlet pipeline;
[0091] The first blocking part 1 and the second blocking part 2 both have a plurality of spaced channels for fluid flow, and the second blocking part 2 can reciprocally move on the air inlet pipeline in the direction perpendicular to the fluid flow in the air inlet pipeline.
[0092] Specifically, the heat exchange fan in the second embodiment can directly use the filter structure provided in the first embodiment, and specific implementation structures can be referred to the related content described in the first embodiment, which will not be described here.
[0093] Embodiment three
[0094] As shown in Figure 1 - Figure 4 The utility model embodiment three provides a waste incineration system, which comprises:
[0095] A heat exchange fan, which comprises:
[0096] A filter structure is applied to an air inlet pipeline of a heat exchange fan body in a waste incineration system, and the filter structure comprises:
[0097] A first blocking part 1 is arranged in the air inlet pipeline in a direction perpendicular to an axial direction of the air inlet pipeline, and the first blocking part 1 has an openwork;
[0098] A second blocking part 2 is movably arranged in the air inlet pipeline and fills the openwork, one side of the second blocking part 2 extends in a direction perpendicular to fluid flow in the air inlet pipeline and penetrates through the air inlet pipeline and is exposed outside the air inlet pipeline;
[0099] The first blocking part 1 and the second blocking part 2 both have a plurality of spaced channels for fluid flow, and the second blocking part 2 can reciprocally move on the air inlet pipeline in the direction perpendicular to the fluid flow in the air inlet pipeline.
[0100] Specifically, the waste incineration system in the third embodiment can directly use the heat exchange fan provided in the second embodiment, and the specific implementation structure can refer to the related content described in the second embodiment, which will not be described here.
[0101] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A filtering structure applied to an air inlet pipeline of a heat exchange fan body in a waste incineration system, characterized in that, Comprising: a first barrier part arranged in the air inlet duct along a direction perpendicular to an axial direction of the air inlet duct, the first barrier part having an opening therein; a second barrier part movably arranged in the air inlet duct and filling the opening, one side of the second barrier part extending along a direction perpendicular to a fluid flow direction in the air inlet duct and penetrating through the air inlet duct to be exposed outside the air inlet duct; wherein the first barrier part and the second barrier part each have a plurality of channels arranged at intervals thereon for the fluid flow, and the second barrier part is capable of reciprocating on the air inlet duct along the direction perpendicular to the fluid flow direction in the air inlet duct.
2. The filtering structure according to claim 1, wherein one side of the opening is capable of being communicated with the outside through the part of the second barrier part penetrating through the air inlet duct.
3. The filter structure of claim 2, wherein, The first barrier part comprises: a first filter screen, the mesh holes of the first filter screen forming the channels, the first filter screen having the opening therein; wherein the first filter screen is made of a metal material.
4. The filter structure of claim 3, wherein, The second barrier part comprises: a filtering assembly, the filtering assembly having the channels thereon and filling the opening; a hand-held plate located outside the air inlet duct and connected with the filtering assembly; wherein the hand-held plate is clamped with an outer wall of the air inlet duct.
5. The filter structure of claim 4, wherein, The filtering assembly comprises: a second filter screen, the mesh holes of the second filter screen forming the channels, the second filter screen filling the opening, and the second filter screen being connected with the hand-held plate.
6. The filtering structure according to claim 5, wherein the second filter screen is made of a metal material.
7. The filter structure of claim 4, wherein, The filtering assembly comprises: a frame, the frame filling the opening and being connected with the hand-held plate; a third filter screen having elasticity, the mesh holes of the third filter screen forming the channels, and the third filter screen being laid in the frame; wherein the third filter screen is capable of deforming and retaining the impurities filtered out in a mesh bag after deformation of the third filter screen.
8. The filter structure of claim 4, wherein, The second barrier part further comprises: a sealing member arranged between the filtering assembly and the hand-held plate.
9. A heat exchanger fan, characterized by, Comprising: the filtering structure according to any one of claims 1-8.
10. A waste incineration system, characterized by, Comprising: the heat exchange fan according to claim 9.