Exhaust fan of urban garbage incinerator
By installing a flue gas pretreatment mechanism and a disassembly mechanism in the exhaust fan of the municipal waste incinerator, the flue gas is cooled, filtered, and impurities are removed, solving the problems of equipment damage and filter clogging caused by high-temperature flue gas, and improving safety and equipment lifespan.
Patent Information
- Application Number
- CN202423103197.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing municipal waste incinerator exhaust fans are prone to damage in high-temperature flue gas, their filters are easily clogged, and there are safety hazards such as sparks.
An exhaust fan for a municipal solid waste incinerator, comprising a flue gas pretreatment mechanism, a disassembly and assembly mechanism, and a water treatment mechanism, was designed. The fan treats the flue gas through spray cooling, filtration, and water circulation, thereby reducing the flue gas temperature, removing impurities, and extending the service life of the filter screen.
It effectively reduces flue gas temperature, removes impurities, prevents sparks, extends filter life, and improves safety and equipment lifespan.
Smart Images

Figure CN223610151U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to city garbage incinerator technical field, especially city garbage incinerator exhaust fan. BACKGROUND
[0002] The incinerator is needed in the city garbage incineration process, and a large amount of waste gas is generated in the incinerator during use. The waste gas accumulates in the incinerator, and the pressure in the incinerator is high, which can easily cause an explosion. Therefore, an exhaust device is needed to exhaust the waste gas in the incinerator, so that the incinerator can work normally.
[0003] Patent CN214092393U discloses a garbage incinerator exhaust fan, which includes an open-ended housing, a cover plate is arranged at one end of the housing opening, a plurality of first blocks are fixed on the outer wall of the cover plate, a second block is fixed at each first block on the outer wall of the housing, a through hole is formed in the side wall of the first block away from the second block and facing the direction of the second block, a plug rod is rotatably and slidingly connected in the through hole, a limiting plate is fixed at one end of the plug rod away from the second block, a clamping block is fixed on the outer circumferential surface of the end of the plug rod away from the limiting plate, a slot is formed in the side of the second block facing the first block for inserting the plug rod and the clamping block.
[0004] The above-mentioned exhaust fan has the following problems during use: first, the flue gas temperature of garbage incineration is high, and direct exhaust may cause damage to the fan itself; second, particles and impurities exist in the waste flue gas, and if not treated, the filter screen may be blocked faster; third, during the flue gas exhaust process, unburned garbage may produce sparks under the action of high-temperature flue gas, and if not treated, it may cause certain safety hazards. Therefore, the present application provides a city garbage incinerator exhaust fan to meet the needs. UTILITY MODEL CONTENTS
[0005] The technical problem to be solved by the utility model is to provide a city garbage incinerator exhaust fan to solve the problems of the prior art, i.e. first, the flue gas temperature of garbage incineration is high, and direct exhaust may cause damage to the fan itself; second, particles and impurities exist in the waste flue gas, and if not treated, the filter screen may be blocked faster; third, during the flue gas exhaust process, unburned garbage may produce sparks under the action of high-temperature flue gas, and if not treated, it may cause certain safety hazards.
[0006] To solve the above technical problems, the utility model provides the following technical scheme:
[0007] The utility model provides an urban refuse incinerator grate exhaust fan, including the fan main part, one side port of fan main part is connected with the air inlet pipe, and the other port of fan main part is connected with the air outlet pipe, the inside and outside of air inlet pipe middle section one side is installed with flue gas pretreatment mechanism, and the tail end of air inlet pipe is installed with dismounting mechanism, flue gas pretreatment mechanism includes the water tank of receiving, and the inside and outside of water tank of receiving is installed with water treatment mechanism, the one side of water tank of receiving is installed with circulation component, the outside of air inlet pipe middle section one side is installed with spray frame, and the inside of spray frame is divided and is equipped with shower nozzle, the inside of a section of air inlet pipe is fixed with the partition frame.
[0008] Optionally, the circulation component includes a fixed frame, and the fixed frame is fixedly arranged on one side of the water receiving tank, wherein one of the fixed frames is provided with a filter above, and the filter is connected with a first connecting pipe at both ends.
[0009] Optionally, the first connecting pipe connected with one end of the filter is connected with the other port of the water pump.
[0010] Optionally, the second connecting pipe is connected with the spray frame.
[0011] Optionally, the spray frame is in a circular arc shape, and the inner side of the spray frame is divided and provided with a spray head.
[0012] Optionally, the dismounting mechanism includes an assembly frame, and the assembly frame is fixedly arranged at the tail end of the air inlet pipe, two sides of the inside of the assembly frame are provided with a guide assembly groove, and a guide assembly is movably arranged in the inside of the guide assembly groove, a filter screen is arranged in the middle of the guide assembly, an upper connecting plate is connected to the top of the guide assembly, first magnetic blocks are fixedly arranged at the bottom of both ends of the upper connecting plate, and second magnetic blocks are fixedly arranged at both sides of the top of the assembly frame.
[0013] Optionally, the filter screen is vertically connected with the guide assembly groove and the assembly frame through the guide assembly.
[0014] Optionally, the upper connecting plate fixedly arranged at the tail end of the guide assembly is magnetically connected with the first magnetic blocks, the second magnetic blocks and the assembly frame.
[0015] Optionally, the water treatment mechanism includes a first screw groove, and the first screw groove is arranged above one side of the water receiving tank, a first threaded water plug is arranged in the middle of the first screw groove, a second screw groove is arranged at the bottom of one side of the water receiving tank, and a second threaded water plug is screwedly arranged in the middle of the second screw groove, and a flow guide plate is fixedly arranged at the bottom end of the inside of the water receiving tank.
[0016] Optionally, the flow guide plate is in an inclined distribution, and the flow guide plate is fixedly connected with the water receiving tank.
[0017] Compared with the prior art, the utility model has at least the following beneficial effects:
[0018] In the above scheme, by setting up the flue gas pretreatment mechanism, the waste gas generated by the operation of the municipal waste incinerator enters the fan main body through the air inlet pipe and is discharged from the air outlet pipe, wherein before entering the air inlet pipe, personnel can start the water pump above one of the fixed frames on the side of the receiving water tank, and under the guidance of the two first connecting pipes and the second connecting pipe, the water in the receiving water tank can be pressurized and delivered to the spray frame to ensure that the spray heads arranged on the inner side of the spray frame in the air inlet pipe can perform multiple effects of cooling, dust removal and fire extinguishing on the flue gas, and under the multiple processing state, the impurities in the flue gas will naturally fall into the receiving water tank under the action of the spray water and the blocking effect of the partition frame, and the treated flue gas will continue to the next process through the opening of the partition frame, and the filter is connected to the middle of the two first connecting pipes on one side of the receiving water tank, so that the effect of water recycling is achieved.
[0019] By setting up the dismounting mechanism, the filter screen arranged in the middle of the guide mounting frame can filter the treated flue gas in the air inlet pipe, and since the flue gas has been pretreated, the service life of the filter screen can be indirectly prolonged, and when subsequent treatment is needed, personnel only need to pull out the guide mounting frame and the filter screen from the assembly frame through the guide groove.
[0020] By setting up the water treatment mechanism, personnel can regularly add and discharge water in the receiving water tank by using the first screw groove, the first threaded water plug, the second screw groove and the second threaded water plug, and the guide plate at the bottom of the receiving water tank can assist in discharging water and reduce residue. BRIEF DESCRIPTION OF DRAWINGS
[0021] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present application and, together with the description, further serve to explain the principles of the present application and to enable a skilled in the relevant art to make and use the present application.
[0022] Figure 1 It is a three-dimensional structure schematic diagram of the municipal waste incinerator exhaust fan.
[0023] Figure 2 It is a side view internal structure schematic diagram of the municipal waste incinerator exhaust fan air inlet pipe and receiving water tank.
[0024] Figure 3 It is a partial structure schematic diagram of the municipal waste incinerator exhaust fan flue gas pretreatment mechanism.
[0025] Figure 4 It is a dismounting mechanism structure schematic diagram of the municipal waste incinerator exhaust fan.
[0026] Figure 5The figure is a schematic view of a three-dimensional partial structure of a water receiving tank for an exhaust fan of a municipal waste incinerator.
[0027] Reference signs:
[0028] 1, fan body; 2, air inlet pipe; 3, air outlet pipe; 4, flue gas pretreatment mechanism; 41, water receiving tank; 42, circulating assembly; 421, fixing frame; 422, filter; 423, first connecting pipe; 424, water pump; 425, second connecting pipe; 43, spraying frame; 44, spraying head; 45, partition frame; 5, dismounting mechanism; 51, assembling frame; 52, guide assembling groove; 53, guide assembling frame; 54, filter screen; 55, upper connecting plate; 56, first magnetic block; 57, second magnetic block; 6, water treatment mechanism; 61, first screw groove; 62, first threaded water plug; 63, second screw groove; 64, second threaded water plug; 65, guide plate.
[0029] As shown in the figure, in order to clearly realize the structure of the embodiment of the present application, specific structures and devices are marked in the figure, but this is only for the need of illustration, and is not intended to limit the present application in the specific structure, device and environment, and the devices and environment can be adjusted or modified by those skilled in the art according to specific needs. DETAILED DESCRIPTION
[0030] The municipal waste incinerator exhaust fan provided by the present application is described in detail below in combination with the drawings and specific embodiments. It should be noted that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.
[0031] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of those skilled in the related art to realize this feature, structure or characteristic in combination with other embodiments (whether or not explicitly described).
[0032] In general, the terminology can be understood at least in part from a context of a use of the language within a description. For example, the term “one or more” as used herein, depending at least in part upon a context of a
[0033] It is to be understood that the terms “on,” “over,” and “above” in the present disclosure are to be interpreted in the broadest possible way consistent with the context. Consequently, “on” a surface means not only “directly on” the surface, but also includes being “on” the surface with intervening features or layers also present. Similarly, “over” or “above” a surface means not only directly above the surface, but also includes being “over” or “above” the surface with no intervening features or layers present.
[0034] In addition, spatially relative terms, such as “beneath,” “below,” “lower,” “above,” “upper” and the like, can be used herein for ease of description to describe one element or feature’s relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
[0035] As Figures 1 to 3The utility model discloses an urban garbage incinerator grate exhaust fan, including fan main body 1, the one side port of fan main body 1 is connected with the air inlet pipe 2, and the other port of fan main body 1 is connected with the air outlet pipe 3, and the inside and outside of air inlet pipe 2 middle segment one side are installed with flue gas pretreatment mechanism 4, and the tail end of air inlet pipe 2 is installed with dismounting mechanism 5, flue gas pretreatment mechanism 4 includes the water receiving tank 41, and the inside and outside of water receiving tank 41 are installed with water treatment mechanism 6, and one side of water receiving tank 41 is installed with circulating assembly 42, and circulating assembly 42 includes fixed frame 421, and the fixed frame 421 is fixed respectively in one side of water receiving tank 41, and the upper portion of one of fixed frame 421 is installed with filter 422, and the both ends of filter 422 are connected with first connecting pipe 423, and the upper portion of another fixed frame 421 is installed with water pump 424, and one end of filter 422 is connected with first connecting pipe 423 and the other port of water pump 424, and one end of water pump 424 is connected with second connecting pipe 425, and second connecting pipe 425 and spray stand 43 are connected, and the outside of air inlet pipe 2 middle segment one side is installed with spray stand 43, and the inside of spray stand 43 is divided and is equipped with spray head 44, and the inside of air inlet pipe 2 is fixed with partition frame 45, and spray stand 43 is distributed in circular arc shape, and the inside of spray stand 43 is divided and is equipped with spray head 44, in the state of putting into use, the waste gas produced by urban garbage incinerator operation can enter fan main body 1 along with air inlet pipe 2 and is discharged from air outlet pipe 3, wherein the personnel can start water pump 424 on one side of water receiving tank 41 in the upper portion of one of fixed frame 421 before the waste gas enters air inlet pipe 2, and the water in water receiving tank 41 can be pressurized and transported to spray stand 43 under the guidance of two first connecting pipes 423 and a second connecting pipe 425, to ensure that spray head 44 divided and arranged in the inside of spray stand 43 can carry out multiple effects of cooling, dust reduction and fire extinguishing during the conveying operation of flue gas in air inlet pipe 2, wherein the impurities in flue gas under multiple processing conditions can be naturally dropped into water receiving tank 41 along with the attachment gravity of spray water and the blocking of partition frame 45, and the treated flue gas can continue the next process along with the opening of partition frame 45, because filter 422 is connected in the middle of two first connecting pipes 423 on one side of water receiving tank 41, so as to achieve the effect of water recycling.
[0036] As Figures 1 to 5As shown, the dismounting mechanism 5 comprises an assembling frame 51, and the assembling frame 51 is fixedly arranged at the end of the air inlet pipe 2, the inside of the assembling frame 51 is provided with a guide assembling groove 52 on both sides, and the inside of the guide assembling groove 52 is movably provided with a guide assembling frame 53, the middle part of the guide assembling frame 53 is provided with a filter screen 54, the filter screen 54 is vertically and movably connected between the guide assembling frame 53, the guide assembling groove 52 and the assembling frame 51, the top of the guide assembling frame 53 is connected with an upper connecting plate 55, the bottom of both ends of the upper connecting plate 55 is fixedly provided with a first magnetic block 56, the top of both sides of the assembling frame 51 is fixedly provided with a second magnetic block 57, the upper connecting plate 55 at the end of the guide assembling frame 53 is fixedly provided with the first magnetic block 56, the second magnetic block 57 and the assembling frame 51 to form a magnetic fixed connection, and the filter screen 54 arranged in the middle part of the guide assembling frame 53 can filter the treated flue gas in the air inlet pipe 2, because the filter screen 54 is pre-treated, the service life of the filter screen 54 can be indirectly prolonged, and when subsequent treatment is needed, the guide assembling groove 52 is used to pull out the guide assembling frame 53 and the filter screen 54 from the assembling frame 51.
[0037] The water treatment mechanism 6 comprises a first screw groove 61, and the first screw groove 61 is arranged on the upper side of one side of the water receiving tank 41, a first threaded water plug 62 is arranged in the middle part of the first screw groove 61, a second screw groove 63 is arranged on the bottom of one side of the water receiving tank 41, and a second threaded water plug 64 is screw-connected in the middle part of the second screw groove 63, and a guide plate 65 is fixedly arranged at the bottom end of the inside of the water receiving tank 41, the guide plate 65 is arranged in an inclined manner, and the guide plate 65 is fixedly connected with the water receiving tank 41, and the first screw groove 61, the first threaded water plug 62, the second screw groove 63 and the second threaded water plug 64 can be used to add and discharge water in the water receiving tank 41, and the guide plate 65 at the bottom end of the inside of the water receiving tank 41 can assist in discharging water and reducing residual water.
[0038] The technical scheme of the utility model provides the following working principle:
[0039] The device is in the state of use, the waste gas generated by the operation of the municipal waste incinerator enters the fan body 1 through the air inlet pipe 2 and is discharged from the air outlet pipe 3, wherein before the waste gas enters the air inlet pipe 2, the personnel can start the water pump 424 above one of the fixed frames 421 on the side of the receiving water tank 41, and under the guidance of the two first connecting pipes 423 and the second connecting pipe 425, the water in the receiving water tank 41 can be pressurized and delivered to the spray frame 43, so that the spray head 44 arranged inside the spray frame 43 can realize the multiple effects of cooling, dust removal and fire extinguishing on the flue gas in the air inlet pipe 2, and the impurities in the flue gas can naturally fall into the receiving water tank 41 under the action of the spray water and the blocking of the partition frame 45 under the multiple processing state, and the treated flue gas will continue to the next process through the opening of the partition frame 45, since the filter 422 is connected in the middle of the two first connecting pipes 423 on one side of the receiving water tank 41, the effect of water recycling is achieved, and the filter screen 54 arranged in the middle of the guide mounting frame 53 can filter the treated flue gas in the air inlet pipe 2, so the service life of the filter screen 54 can be indirectly prolonged, and when subsequent treatment is needed, personnel only need to pull out the guide mounting frame 53 and the filter screen 54 from the assembly frame 51 by using the guide groove 52, and finally personnel can regularly add and discharge water in the receiving water tank 41 by using the first screw groove 61, the first threaded water plug 62, the second screw groove 63 and the second threaded water plug 64, and the guide plate 65 at the bottom of the receiving water tank 41 can assist in discharging water and reducing residue.
[0040] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following utility model preferred embodiment, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit etc. are not explained in detail.
[0041] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model.
Claims
1. A municipal waste incinerator exhaust fan characterized by, The device includes a fan body, with an air inlet pipe connected to one side and an air outlet pipe connected to the other side. A flue gas pretreatment mechanism is installed inside and outside one side of the middle section of the air inlet pipe, and a disassembly and assembly mechanism is installed at the end of the air inlet pipe. The flue gas pretreatment mechanism includes a receiving water tank, and a water treatment mechanism is installed inside and outside the receiving water tank. A circulation component is installed on one side of the receiving water tank. A spray frame is installed outside one side of the middle section of the air inlet pipe, and spray heads are provided on the inner side of the spray frame. A partition frame is fixed inside a section of the air inlet pipe.
2. The municipal waste incinerator exhaust fan of claim 1, wherein, The circulation assembly includes a fixing frame, which is fixedly mounted on one side of the water tank. A filter is installed above one of the fixing frames, and the two ends of the filter are connected to a first connecting pipe. A water pump is installed above the other fixing frame, and one end of the water pump is connected to a second connecting pipe.
3. The municipal waste incinerator exhaust fan of claim 2, wherein, One end of the filter is connected to a first connecting pipe, which is connected to the other port of the water pump.
4. The municipal waste incinerator exhaust fan of claim 2, wherein, The second connecting pipe is connected to the spray frame.
5. The municipal waste incinerator exhaust fan of claim 1, wherein, The spray frame is arranged in an arc shape, and spray heads are provided on the inner side of the spray frame.
6. The municipal waste incinerator exhaust fan of claim 1, wherein, The disassembly and assembly mechanism includes an assembly frame, which is fixed at the end of the air inlet pipe. The assembly frame has guide grooves on both sides inside, and a guide frame is movable inside the guide grooves. A filter screen is installed in the middle of the guide frame, and an upper connecting plate is connected to the top of the guide frame. First magnetic blocks are fixed at the bottom of both ends of the upper connecting plate, and second magnetic blocks are fixed on both sides of the top of the assembly frame.
7. The municipal waste incinerator exhaust fan of claim 6, wherein, The filter screen utilizes a guide frame to form a vertical guide connection with the guide groove and the assembly frame.
8. The municipal waste incinerator exhaust fan of claim 6, wherein, The upper connecting plate fixed at the end of the guide frame is magnetically fixedly connected by the first magnetic block, the second magnetic block and the assembly frame.
9. The municipal waste incinerator exhaust fan of claim 1, wherein, The water treatment mechanism includes a first screw groove, which is located above one side of the receiving water tank. A first threaded water plug is installed in the middle of the first screw groove. A second screw groove is located at the bottom of one side of the receiving water tank, and a second threaded water plug is screwed into the middle of the second screw groove. A guide plate is fixed at the bottom of the inside of the receiving water tank.
10. The municipal waste incinerator exhaust fan of claim 9, wherein, The guide plates are distributed at an angle, and the guide plates are fixedly connected to the receiving water tank.