阅读说明：本技术 一种工业用节能环保型除尘装置 (Industrial energy-concerving and environment-protective type dust collector ) 是由 齐珍 于 2021-07-20 设计创作，主要内容包括：本发明提出了一种工业用节能环保型除尘装置,涉及除尘装置技术领域。一种工业用节能环保型除尘装置,包括热交换组件,上述热交换组件包括热交换箱,上述热交换箱设置有与其内腔连通的烟气进口管和烟气出口管,上述热交换箱内设置有换热管,上述换热管的两端均贯穿上述热交换箱的外侧；除尘组件,上述除尘组件包括除尘箱,上述除尘箱具有进口和出口,上述除尘箱的进口与上述烟气出口管的开口端连通,上述除尘箱内设置沿其进口至出口方向顺次设置有过滤网和活性炭吸附网。本发明不仅能实现烟气的除尘,还实现了烟气中余热的回收利用。(The invention provides an industrial energy-saving and environment-friendly dust removal device, and relates to the technical field of dust removal devices. An industrial energy-saving and environment-friendly dust removal device comprises a heat exchange assembly, wherein the heat exchange assembly comprises a heat exchange box, the heat exchange box is provided with a flue gas inlet pipe and a flue gas outlet pipe which are communicated with an inner cavity of the heat exchange box, a heat exchange pipe is arranged in the heat exchange box, and two ends of the heat exchange pipe penetrate through the outer side of the heat exchange box; the dust removal subassembly, above-mentioned dust removal subassembly include the dust removal case, and above-mentioned dust removal case has import and export, the import of above-mentioned dust removal case and the open end intercommunication of above-mentioned flue gas outlet pipe, and above-mentioned dust removal incasement sets up along its import to export direction and is provided with filter screen and active carbon adsorption net in order. The invention can not only realize the dust removal of the flue gas, but also realize the recycling of the waste heat in the flue gas.)

1. An industrial energy-concerving and environment-protective type dust collector, its characterized in that includes:

the heat exchange assembly comprises a heat exchange box, the heat exchange box is provided with a flue gas inlet pipe and a flue gas outlet pipe which are communicated with an inner cavity of the heat exchange box, a heat exchange pipe is arranged in the heat exchange box, and two ends of the heat exchange pipe penetrate through the outer side of the heat exchange box;

the dust removal subassembly, the dust removal subassembly includes the dust removal case, the dust removal case has import and export, the import of dust removal case with the open end intercommunication of flue gas outlet pipe, the dust removal incasement sets up along its import to export direction and is provided with filter screen and active carbon adsorption net in order.

2. The industrial energy-saving and environment-friendly dust removing device according to claim 1, wherein the dust removing box is arranged on the upper side of the heat exchange box, the dust removing box is provided with a plurality of support rods.

3. The industrial energy-saving and environment-friendly dust collector as claimed in claim 1, wherein the heat exchange tube comprises a first main tube, a second main tube and branch tubes, one end of the first main tube and one end of the second main tube are sealed, the first main tube is transversely disposed at the lower side of the heat exchange box, the second main tube is disposed at the upper side of the heat exchange box, the open end of the first main tube and the open end of the second main tube both penetrate through the outer side of the heat exchange box, the first main tube and the second main tube are communicated through the branch tubes, and the branch tubes are longitudinally disposed.

4. The industrial energy-saving and environment-friendly dust collector as claimed in claim 3, wherein a guide plate for longitudinal lifting is arranged in the heat exchange box between the first main pipe and the second main pipe, a lifting component for driving the guide plate to longitudinally lift is arranged in the heat exchange box, fixing plates are symmetrically arranged on the lower sides of the guide plates relative to the branch pipes, springs in a compressed state are arranged on the inner sides of the fixing plates, scrapers are connected to free ends of the springs, and cutting edges of the scrapers abut against the branch pipes.

5. The dust removing apparatus of claim 4, wherein the scraper is semicircular, and the inner diameter of the scraper is equal to the outer diameter of the branch pipe.

6. The dust removing apparatus of claim 4, wherein the number of the branch pipes is plural.

7. The industrial energy-saving and environment-friendly dust removing device as claimed in claim 4, wherein the heat exchange box below the first main pipe is provided with a dust collecting chamber, and the dust collecting chamber is communicated with the heat exchange box above the first main pipe.

8. The dust collector as claimed in claim 7, wherein the heat exchange box has an opening on its bottom side for communicating with the dust collecting chamber, and the opening is detachably provided with a cover plate.

9. The industrial energy-saving and environment-friendly dust removal device as claimed in claim 1, wherein the filter screen comprises a first filter screen plate and a second filter screen plate which are sequentially arranged at intervals, the aperture of the first filter screen plate is larger than the aperture of the first filter screen plate, and the first filter screen plate is positioned at the side of the flue gas outlet pipe.

10. The industrial energy-saving and environment-friendly dust removal device according to claim 9, further comprising a photocatalyst filter screen disposed in the dust removal box, wherein the photocatalyst filter screen is disposed between the activated carbon adsorption screen and the outlet of the dust removal box.

Technical Field

The invention relates to the technical field of dust removal devices, in particular to an industrial energy-saving and environment-friendly dust removal device.

Background

Coal is needed to be used in the industrial production process, the coal can generate flue gas with particles after combustion, and in order to filter the particles in the flue gas, a dust removal device for filtering the particles in the flue gas is available on the market at present, but the dust removal device on the market at present can only singly filter the particles in the flue gas, and can not realize the recovery and utilization of waste heat in the flue gas, thereby causing the waste of energy.

In summary, we propose an industrial energy-saving and environment-friendly dust removing device to solve the above technical problems.

Disclosure of Invention

The invention aims to provide an industrial energy-saving and environment-friendly dust removal device, which not only can realize dust removal of flue gas, but also can realize recycling of waste heat in the flue gas.

The embodiment of the invention is realized by the following steps:

the embodiment of the application provides an industrial energy-concerving and environment-protective type dust collector, includes:

the heat exchange assembly comprises a heat exchange box, the heat exchange box is provided with a flue gas inlet pipe and a flue gas outlet pipe which are communicated with an inner cavity of the heat exchange box, a heat exchange pipe is arranged in the heat exchange box, and two ends of the heat exchange pipe penetrate through the outer side of the heat exchange box;

the dust removal subassembly, above-mentioned dust removal subassembly include the dust removal case, and above-mentioned dust removal case has import and export, the import of above-mentioned dust removal case and the open end intercommunication of above-mentioned flue gas outlet pipe, and above-mentioned dust removal incasement sets up along its import to export direction and is provided with filter screen and active carbon adsorption net in order.

In some embodiments of the present invention, the dust removing box is disposed at an upper side of the heat exchange box, and the dust removing box is provided with a plurality of support rods.

In some embodiments of the present invention, the heat exchange pipe includes a first main pipe, a second main pipe and a branch pipe, one end of the first main pipe and one end of the second main pipe are sealed, the first main pipe is transversely disposed at a lower side of the heat exchange box, the second main pipe is disposed at an upper side of the heat exchange box, an open end of the first main pipe and an open end of the second main pipe both penetrate through an outer side of the heat exchange box, the first main pipe and the second main pipe are communicated with each other through the branch pipe, and the branch pipe is longitudinally disposed.

In some embodiments of the present invention, a guide plate for longitudinal lifting is disposed in the heat exchange box between the first main pipe and the second main pipe, a lifting assembly for driving the guide plate to longitudinally lift is disposed in the heat exchange box, a fixing plate is disposed at a lower side of the guide plate symmetrically with respect to the branch pipe, a spring in a compressed state is disposed at an inner side of the fixing plate, a scraper is connected to a free end of the spring, and a blade of the scraper abuts against the branch pipe.

In some embodiments of the present invention, the scraper is semicircular, and an inner diameter of the scraper is equal to an outer diameter of the branch pipe.

In some embodiments of the present invention, the number of the branch pipes is plural.

In some embodiments of the present invention, the heat exchange box below the first main pipe is provided with a dust collecting chamber, which communicates with the heat exchange box above the first main pipe.

In some embodiments of the present invention, an opening communicating with the dust collecting chamber is provided at a bottom side of the heat exchange box, and a cover plate is detachably provided at the opening.

In some embodiments of the present invention, the filter screen includes a first filter screen plate and a second filter screen plate which are sequentially arranged at intervals, a pore size of the first filter screen plate is larger than a pore size of the first filter screen plate, and the first filter screen plate is located on the side of the flue gas outlet pipe.

In some embodiments of the present invention, the apparatus further comprises a photocatalyst filter disposed in the dust removing box, wherein the photocatalyst filter is disposed between the activated carbon adsorption net and the outlet of the dust removing box.

Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:

an industrial energy-saving environment-friendly dust collector comprises:

the heat exchange assembly comprises a heat exchange box, the heat exchange box is provided with a flue gas inlet pipe and a flue gas outlet pipe which are communicated with an inner cavity of the heat exchange box, a heat exchange pipe is arranged in the heat exchange box, and two ends of the heat exchange pipe penetrate through the outer side of the heat exchange box;

the dust removal subassembly, above-mentioned dust removal subassembly include the dust removal case, and above-mentioned dust removal case has import and export, the import of above-mentioned dust removal case and the open end intercommunication of above-mentioned flue gas outlet pipe, and above-mentioned dust removal incasement sets up along its import to export direction and is provided with filter screen and active carbon adsorption net in order.

According to the invention, the flue gas inlet pipe is externally connected with a flue gas outlet of the coal combustion equipment, flue gas generated by coal combustion enters the heat exchange box through the flue gas inlet pipe, circulating water is injected into the heat exchange pipe, and the flue gas exchanges heat with the circulating water in the heat exchange box, so that the purpose of heating the circulating water is achieved, and the recycling of flue gas waste heat is realized. The flue gas that heat exchange took place for the heat exchange case is discharged from the flue gas outlet pipe, and the flue gas that the flue gas outlet pipe was discharged enters into the dust removal incasement through the import, and the flue gas that enters into the dust removal incasement passes through filter screen and active carbon adsorption net in order, and the flue gas can realize detaching the peculiar smell gas in the flue gas when passing through the filter screen dust and particulate matter in the flue gas, active carbon adsorption net. The filtered and adsorbed flue gas is discharged from the outlet of the dust removal box. In the process, the heat exchange box realizes the utilization of the waste heat of the flue gas, and the dust removal assembly realizes the filtration and the adsorption of the flue gas.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a first schematic structural diagram of an industrial energy-saving and environment-friendly dust collector in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a second industrial energy-saving and environment-friendly dust collector in accordance with an embodiment of the present invention;

fig. 3 is a partially enlarged view of a in fig. 2.

Icon: 1-support rod, 2-flue gas inlet pipe, 3-heat exchange box, 4-fan, 5-dust removal box, 6-flue gas outlet pipe, 7-first main pipe, 8-second main pipe, 9-cover plate, 10-first filter screen plate, 11-second filter screen plate, 12-activated carbon adsorption screen, 13-photocatalyst filter screen, 14-guide plate, 15-branch pipe, 16-fixing plate, 17-spring and 18-scraper.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1 to fig. 3, the present embodiment provides an industrial energy-saving and environment-friendly dust removing device, including:

the heat exchange assembly comprises a heat exchange box 3, the heat exchange box 3 is provided with a flue gas inlet pipe 2 and a flue gas outlet pipe 6 which are communicated with the inner cavity of the heat exchange box, a heat exchange pipe is arranged in the heat exchange box 3, and two ends of the heat exchange pipe penetrate through the outer side of the heat exchange box 3;

the subassembly that removes dust, above-mentioned dust removal subassembly include dust removal case 5, and above-mentioned dust removal case 5 has import and export, and the import of above-mentioned dust removal case 5 communicates with the open end of above-mentioned flue gas outlet pipe 6, sets up in above-mentioned dust removal case 5 and is provided with filter screen and active carbon adsorption net 12 along its import to export direction in order.

It is worth to say that the outlet of the dust removal box 5 is connected with the fan 4, and the fan 4 can promote the rapid circulation of the flue gas. The flue gas inlet pipe 2 and the flue gas outlet pipe 6 are both made of heat insulating materials, so that the loss of flue gas heat caused by the flue gas inlet pipe 2 and the flue gas outlet pipe 6 in the flue gas conveying process is avoided, and the heat of the flue gas is utilized to the maximum extent.

In the invention, the flue gas inlet pipe 2 is externally connected with a flue gas outlet of coal combustion equipment, flue gas generated by coal combustion enters the heat exchange box 3 through the flue gas inlet pipe 2, circulating water is injected into the heat exchange pipe, and the flue gas exchanges heat with the circulating water in the heat exchange pipe in the heat exchange box 3, so that the purpose of heating the circulating water is achieved, and the recycling of flue gas waste heat is realized. The flue gas that heat exchange box 3 took place the heat exchange is discharged from flue gas outlet pipe 6, and flue gas outlet pipe 6 exhaust flue gas enters into dust removal case 5 through the import in, and the flue gas that enters into dust removal case 5 passes through filter screen and active carbon adsorption net 12 in order, and the flue gas can realize the filtration of dust and particulate matter in the flue gas when passing through the filter screen, and active carbon adsorption net 12 can realize detaching the peculiar smell gas in the flue gas. The filtered and adsorbed flue gas is discharged from the outlet of the dust removal box 5. In the process, the heat exchange box realizes the utilization of the waste heat of the flue gas, and the dust removal assembly realizes the filtration and the adsorption of the flue gas.

In some embodiments of the present invention, the dust removing box 5 is disposed at an upper side of the heat exchange box 3, the dust removing box 5 is provided with a plurality of support rods 1, and the number of the support rods 1 is plural.

In the above embodiment, the dust removing box 5 is disposed at the upper side of the heat exchange box 3, the flue gas inlet pipe 2 is located at the lower portion of the dust removing box 5, and the flue gas outlet pipe 6 is located at the upper portion of the dust removing box 5. The dust removal box 5 and the heat exchange box 3 are of an integrated structure, so that the overall structure formed by the dust removal box 5 and the heat exchange box 3 is more stable. The support rod 1 at the lower side of the dust removing box 5 has a supporting function on the integral structure formed by the dust removing box 5 and the heat exchange box 3.

It is worth to be noted that the number of the supporting rods 1 is multiple, and the supporting rods 1 are uniformly distributed at intervals along the same circumferential direction of the dust removing box 5, so as to realize stable support of the whole structure formed by the dust removing box 5 and the heat exchange box 3. The one end that bracing piece 1 and dust removal case 5 are connected is articulated to in the contained angle between regulation bracing piece 1 and the dust removal case 5, realize the regulation of the overall structure height that dust removal case 5 and heat exchange box 3 constitute. Dust removal case 5 is provided with articulated seat, and bracing piece 1 passes through the bolt with articulated seat and articulates, and is articulated through the bolt, can realize bracing piece 1 and articulated seat's quick adjustment.

In some embodiments of the present invention, the heat exchanging pipe includes a first main pipe 7, a second main pipe 8 and a branch pipe 15, one end of the first main pipe 7 and one end of the second main pipe are sealed, the first main pipe 7 is transversely disposed at a lower side of the heat exchanging box 3, the second main pipe 8 is disposed at an upper side of the heat exchanging box 3, an open end of the first main pipe 7 and an open end of the second main pipe 8 both penetrate through an outer side of the heat exchanging box 3, the first main pipe 7 and the second main pipe 8 are communicated with each other through the branch pipe 15, and the branch pipe 15 is longitudinally disposed.

In the above embodiment, the first main pipe 7 penetrates through the port outside the heat exchange box 3 to connect with an external water source (the water source is cold water), the cold water to be heated enters the first main pipe and flows into the branch pipe 15, the flue gas enters the heat exchange box 3 to exchange heat with the water source in the branch pipe 15, the purpose of heating the water source in the branch pipe 15 is achieved, the heated water source flows into the second main pipe 8, and finally the heated water source is discharged through the opening of the second main pipe 8. The water pump is arranged on the first main pipeline 7 or the second main pipeline 8, and the design of the water pump can enable the water source to actively flow in the heat exchange pipe.

In some embodiments of the present invention, a guide plate 14 for longitudinal lifting is disposed in the heat exchange box 3 between the first main pipe 7 and the second main pipe 8, a lifting assembly for driving the guide plate 14 to longitudinally lift is disposed in the heat exchange box 3, a fixing plate 16 is disposed at a lower side of the guide plate 14 symmetrically with respect to the branch pipe 15, a spring 17 in a compressed state is disposed at an inner side of the fixing plate 16, a scraper 18 is connected to a free end of the spring 17, and a blade of the scraper 18 abuts against the branch pipe 15.

In the above embodiment, it is known that, during the process of contacting the flue gas with the branch pipe 15 for a long time, a large amount of smoke is adsorbed on the branch pipe 15, the thicker the smoke is, the worse the heat exchange effect is, and the worse the heat recovery efficiency of the flue gas is. The spring 17 is in a compressed state, and the blade of the scraper 18 is connected with the outer wall of the branch pipe 15 under the action of the elastic force of the spring 17, so that the blade and the branch pipe 15 have interaction. At the in-process that lifting unit drove deflector 14 and reciprocated, deflector 14 drives scraper 18 and reciprocates, and there is the interact of power in scraper 18 and lateral conduit 15, makes the accumulation smoke and dust on lateral conduit 15 cleared up, and the flue gas can directly contact with lateral conduit 15 and carry out the heat transfer, has realized the thermal maximize utilization of flue gas, has the effectual advantage of heat transfer. The lifting component is a hydraulic telescopic rod.

It is worth to be noted that, the upper side of the scraper 18 is provided with a slide block, the lower side of the guide plate 14 is provided with a slide groove which is in sliding fit with the slide block, the slide groove is transversely arranged to match the transverse sliding of the scraper 18 and the spring 17, and the matching design of the slide block and the slide groove enables the scraper 18 to stably slide on the lower side of the guide plate 14.

In some embodiments of the present invention, the scraper 18 is semicircular, and the inner diameter of the scraper 18 is equal to the outer diameter of the branch pipe 15.

In the above embodiment, the two semicircular scrapers 18 are butted into a circle, and the inner diameter of the symmetrical circle is equal to the outer diameter of the branch pipe 15, so as to realize the all-round cleaning of the branch pipe 15 in the circumferential direction. It should be noted that the shape of the scraper 18 is semicircular, which is only one embodiment of the present invention, and the shape of the scraper 18 is not limited, and the shape of the scraper 18 that can achieve the above-mentioned functions can be adopted in other embodiments.

In some embodiments of the present invention, the number of the branch pipes 15 is plural.

In the above embodiment, the number of the branch pipes 15 is plural, the plural branch pipes make the heating efficiency of the heating assembly higher, the plural branch pipes 15 are all designed in parallel, the plural branch pipes 15 all penetrate through the guide plate 14, and the side edges of the plural branch pipes 15 are all provided with the cleaning mechanism composed of the scraper 18, the spring 17 and the fixing plate 16, so as to realize that the plural branch pipes 15 can be cleaned by smoke.

In some embodiments of the present invention, the heat exchange box 3 below the first main pipe 7 is provided with a dust collecting chamber, which communicates with the heat exchange box 3 above the first main pipe 7.

In the above embodiment, the heat exchange box 3 is provided with the mesh plate, the upper side of the mesh plate is provided with the first main pipe 7, the branch pipe 15 and the second main pipe 8, the lower side of the mesh plate forms the dust collecting chamber, and the smoke dust on the branch pipe 15 cleaned by the scraper 18 falls into the dust collecting chamber through the mesh of the mesh plate, so that the purpose of recovering the smoke dust is realized.

In some embodiments of the present invention, the bottom side of the heat exchange box 3 is provided with an opening communicating with the dust collecting chamber, and the opening is detachably provided with a cover plate 9.

In the above embodiment, when the smoke in the integration chamber is much, the smoke in the dust collecting chamber can be cleaned by removing the cover plate 9. The cover plate 9 is connected with the heat exchange box 3 by screws so as to realize the quick disassembly or assembly of the cover plate 9. The bottom side of heat exchange box 3 is the arc, and the opening sets up in the lowest of arc side for the smoke and dust can discharge fast under the action of gravity.

In some embodiments of the present invention, the filter screen includes a first filter screen plate 10 and a second filter screen plate 11 sequentially arranged at intervals, a pore size of the first filter screen plate 10 is larger than a pore size of the first filter screen plate 10, and the first filter screen plate 10 is located at the side of the flue gas outlet pipe 6.

In the above embodiment, the first filter screen plate 10 and the second filter screen plate 11 are designed in a matching manner, so that the double-pole filtration of the smoke dust is realized, and the problem that the filter plate is easy to block when a single-stage filter plate is adopted is avoided.

In some embodiments of the present invention, the present invention further comprises a photocatalyst screen 13 disposed in the dust removing box 5, wherein the photocatalyst screen 13 is disposed between the activated carbon adsorption screen 12 and the outlet of the dust removing box 5.

In the above embodiment, the photocatalyst screen 13 is formed by mixing a nano-scale powder with a plurality of nano-scale photosensitive semiconductor media to ensure sufficient air permeability and contact, and then mixing the nano-scale powder with a carrier, so that harmful gases and odors such as carbon monoxide, nitrogen oxides, hydrocarbon, aldehydes, benzene and the like in the air can be effectively removed, and the harmful gases and odors can be decomposed into harmless CO2 and H2O, and the photocatalyst screen has a sterilization function.

In summary, the embodiment of the present invention provides an industrial energy-saving and environment-friendly dust removing device, which at least has the following technical effects:

in the invention, the flue gas inlet pipe 2 is externally connected with a flue gas outlet of coal combustion equipment, flue gas generated by coal combustion enters the heat exchange box 3 through the flue gas inlet pipe 2, circulating water is injected into the heat exchange pipe, and the flue gas exchanges heat with the circulating water in the heat exchange pipe in the heat exchange box 3, so that the purpose of heating the circulating water is achieved, and the recycling of flue gas waste heat is realized. The flue gas that heat exchange box 3 took place the heat exchange is discharged from flue gas outlet pipe 6, and flue gas outlet pipe 6 exhaust flue gas enters into dust removal case 5 through the import in, and the flue gas that enters into dust removal case 5 passes through filter screen and active carbon adsorption net 12 in order, and the flue gas can realize the filtration of dust and particulate matter in the flue gas when passing through the filter screen, and active carbon adsorption net 12 can realize detaching the peculiar smell gas in the flue gas. The filtered and adsorbed flue gas is discharged from the outlet of the dust removal box 5. In the process, the heat exchange box realizes the utilization of the waste heat of the flue gas, and the dust removal assembly realizes the filtration and the adsorption of the flue gas.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.