An exhaust gas purification apparatus for a cremator

Abstract

The application discloses a tail gas purification equipment for a cremator, which comprises the cremator provided with a flue gas pipe, a processor comprising a shell, a desulfurization and deacidification device, a dust removal device, a backflushing device and a sealing device, wherein the shell comprises a dust collecting hopper and a cavity, the inside of the cavity is provided with a treatment zone, a transition zone and a flue gas discharging zone; the desulfurization and deacidification device comprises a plurality of reaction plates; the dust removal device comprises a plurality of ceramic filter elements provided with a filter part and an exhaust part communicated with the filter part; the backflushing device comprises a gas pocket provided with a gas inlet end and a pulse valve; and the sealing device comprises a sealing cylinder and a sealing plate. Compared with the prior art, the tail gas purification equipment of the application omits the heat exchanger, the spark intercepting device and the double cyclone dust collector in the traditional process, and significantly reduces the labor cost, material cost, transportation cost and installation cost.

Description

Technical Field

[0001] This invention relates to the technical field of cremation equipment, and in particular to a tail gas purification device for cremation furnaces. Background Technology

[0002] With increasingly stringent national environmental protection policies, the control of cremation emissions in the funeral industry is becoming more and more stringent. Current environmental standards for SO2 and NO in cremation exhaust are becoming more stringent. x Higher emission limits have been set for pollutants such as CO and particulate matter. A typical exhaust gas treatment system consists of six main components: a box-type dual heat exchanger, a spark interceptor, a bag filter, an adsorber, a desulfurization and deacidification device, and a dual cyclone dust collector, resulting in a complex overall structure.

[0003] Currently, the core component of the exhaust gas purification equipment for most crematoriums in China is the bag filter. However, bag filters have a short service life and multiple risks of damage: they are easily ignited by sparks, their filtration efficiency is easily affected by moisture, and they are easily broken down by high-pressure airflow. Therefore, it is necessary to pre-cool the high-temperature flue gas and intercept sparks, resulting in problems such as insufficient purification efficiency, high energy consumption, and poor operational stability of the overall equipment, making it difficult to meet the latest environmental emission requirements in the long term. At the same time, although similar advanced technologies abroad have excellent purification effects, they have drawbacks such as high equipment cost, poor adaptability, and complex operation and maintenance, making them unsuitable for direct application in small and medium-sized crematoriums in China.

[0004] In light of the current state of cremation exhaust gas purification both domestically and internationally, and the urgent need for green and low-carbon development in the domestic funeral industry, there is a pressing need to develop a new type of exhaust gas purification equipment that is suitable for the complex, high-temperature, high-humidity, or spark-containing high-temperature flue gas treatment scenarios in domestic cremation exhaust gas purification. This equipment should be superior to traditional bag filters in terms of high-temperature adaptability, moisture and spark resistance, filtration accuracy, service life, and environmental friendliness, while also taking into account purification efficiency, energy saving and emission reduction, and economy. Summary of the Invention

[0005] The purpose of this invention is to provide a tail gas purification device for crematoriums, which aims to solve the technical problems of low purification efficiency, high energy consumption and poor operational stability caused by the use of bag filters in the prior art.

[0006] To achieve the above objectives, the technical solutions of the present invention are as follows: This invention discloses a tail gas purification device for a crematorium, comprising: A crematorium equipped with a flue gas pipe, wherein the crematorium generates high-temperature flue gas during the cremation process, the high-temperature flue gas including dust, sulfur oxides and acidic gases; The processor includes a housing, a desulfurization and deacidification device, a dust removal device, a backflushing device, and a sealing device, wherein... The housing includes a dust collection hopper and a cavity. The dust collection hopper is located at the bottom of the cavity and is provided with a smoke inlet pipe that is connected to the flue gas pipe. The cavity is provided with a processing area, a transition area and a smoke exhaust area. The processing area is connected to the dust collection hopper, the transition area is connected to the smoke exhaust area through a connecting port, and the smoke exhaust area is provided with a smoke exhaust pipe. The desulfurization and deacidification device includes multiple reaction plates, which are arranged in the processing area and are used to chemically react with sulfur oxides and acidic gases. The dust removal device includes multiple ceramic filter elements, each ceramic filter element having a filtration section and an exhaust section communicating with the filtration section. The filtration section is located in the processing zone, and the exhaust section is located in the transition zone. The ceramic filter elements are used to adsorb and filter dust. The recoil device includes an air tank and a pulse valve. The air tank is provided with an air delivery end, which is located in the transition zone. The pulse valve controls the operation of the air tank. The sealing device includes a sealing cylinder and a sealing plate. The sealing cylinder is drivenly connected to the sealing plate. The sealing plate is located in the transition zone. The sealing plate opens or closes the communication port under the driving action of the sealing cylinder.

[0007] Compared with the prior art, the desulfurization and deacidification device of this application uses multiple reaction plates to enable sulfur oxides and acidic gases in high-temperature flue gas to fully react with lime powder on the reaction plates, thereby achieving efficient desulfurization and deacidification treatment; the dust removal device uses multiple ceramic filter elements with a high-temperature resistant ceramic fiber structure to adsorb and filter dust in high-temperature flue gas, eliminating the need for heat exchangers, spark interception devices and dual cyclone dust collectors in traditional processes, significantly reducing labor, material, transportation and installation costs, and achieving a significant reduction in the overall expenditure of enterprises.

[0008] In a preferred embodiment, the smoke exhaust zone is located to the side of the treatment zone, and the smoke exhaust zone and the treatment zone are separated by a vertical partition; The transition zone is located above the processing zone and the smoke exhaust zone. The transition zone is separated from the processing zone and the smoke exhaust zone by a horizontal partition, and the connecting port is located on the horizontal partition.

[0009] In a preferred embodiment, the ceramic filter element is vertically arranged and passes through the horizontal partition vertically, and a connecting plate is provided at the connection between the filter section and the exhaust section, and the connecting plate is snapped together with the horizontal partition.

[0010] In a preferred embodiment, the filter section is rectangular in shape, and includes a ceramic body and a protective cover. The ceramic body is disposed inside the protective cover, and a filter hole is provided at the bottom of the ceramic body.

[0011] In a preferred embodiment, the processor further includes a cooling adsorption device; The cooling adsorption device includes a heat exchanger and an adsorber. The heat exchanger includes multiple heat dissipation pipes that are evenly distributed. One end of each heat dissipation pipe is connected to the smoke exhaust zone through the smoke exhaust pipe, and the other end of each heat dissipation pipe is connected to the adsorber.

[0012] In a preferred embodiment, the processor further includes a recirculation device; The reflux device includes a reflux pipe, one end of which is connected to the smoke inlet pipe and the other end of which is connected to the cavity, so that the gas generated by the backflushing device flows back into the cavity through the reflux pipe.

[0013] In a preferred embodiment, the reflux device further includes a three-way pipe having a first port, a second port and a third port, wherein the first port is connected to the smoke inlet pipe, the second port is connected to the reflux pipe, and the third port is connected to the flue gas pipe. The first port and the second port are on the same axis.

[0014] In a preferred embodiment, the plurality of reaction plates are divided into an upper reaction group and a lower reaction group, the upper reaction group being located above the lower reaction group, and adjacent reaction plates in the upper reaction group being spaced apart, the spaced apart being located above the reaction plates in the lower reaction group.

[0015] In a preferred embodiment, the desulfurization and deacidification device further includes an upper support frame and a lower support frame, wherein the upper support frame is equipped with the upper reaction group and the lower support frame is equipped with the lower reaction group; One side of the upper support frame is inserted into the cavity, and the other side of the upper support frame is detachably connected to the side wall of the housing; one side of the lower support frame is inserted into the cavity, and the other side of the lower support frame is detachably connected to the side wall of the housing.

[0016] In a preferred embodiment, the smoke inlet pipe is horizontally disposed below the reaction plate, and the upper end of the smoke inlet pipe extends horizontally outward to provide a dust-blocking part.

[0017] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0018] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, illustrate exemplary embodiments of the invention and, together with their description, serve to explain the invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a perspective view of a tail gas purification device for a crematorium according to this application; Figure 2 This is a perspective view of a processor for a tail gas purification device for a cremator, according to this application. Figure 3 This is a detailed drawing of a processor for a tail gas purification device for a cremator, according to this application. Figure 4 This is a cross-sectional view of a processor for a tail gas purification device for a cremator, according to this application. Figure 5 This is a perspective view of a ceramic filter element for a tail gas purification device for a cremator, as described in this application. Figure 6 This is a schematic diagram of high-temperature flue gas flow purification for a tail gas purification device for a crematorium, according to this application. Figure 7 This is a schematic diagram of gas backflow in a tail gas purification device for a cremator, as described in this application. Figure 8 This is the exhaust gas test report after high-temperature flue gas purification in this application.

[0019] Explanation of reference numerals in the attached figures: 1-Crematorium, 11-Flue gas pipe; 2-Shell, 21-Dust hopper, 22-Cavity, 221-Processing area, 222-Transition area, 223-Smoke exhaust area, 23-Smoke inlet pipe, 231-Dust blocking part, 24-Smoke exhaust pipe, 25-Vertical partition, 26-Horizontal partition, 261-Connecting port; 3-Desulfurization and deacidification device, 31-Reaction plate, 32-Separator, 33-Upper support frame, 34-Lower support frame; 4-Dust removal device, 41-Ceramic filter element, 411-Filter section, 411a-Ceramic body, 411b-Protective cover, 411c-Filter hole, 412-Exhaust section, 413-Connecting plate; 5-Backflush device, 51-Air tank, 511-Air delivery end, 52-Pulse valve; 6-Sealing device, 61-Sealing cylinder, 62-Sealing plate; 7-Cooling adsorption device, 71-Heat exchanger, 711-Heat dissipation pipe, 72-Adsorber; 8-Recirculation device, 81-Recirculation pipe, 82-Tee pipe. Detailed Implementation

[0020] To better illustrate the present invention, the invention will now be described in further detail with reference to the accompanying drawings.

[0021] It should be understood that the described embodiments are merely some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of the embodiments of this application.

[0022] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of this application. The singular forms “a,” “the,” and “the” used in the embodiments of this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0023] In the following description, when referring to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims. In the description of this application, it should be understood that the terms "first," "second," "third," etc., are used only to distinguish similar objects and are not necessarily used to describe a specific order or sequence, nor should they be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] Furthermore, in the description of this application, unless otherwise stated, "multiple" means two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0025] Combination Figures 1 to 7As shown, this invention discloses a tail gas purification device for a cremator 1, comprising: a cremator 1, which is provided with a flue gas pipe 11, wherein the cremator 1 generates high-temperature flue gas during the cremation process, the high-temperature flue gas including dust, sulfur oxides and acidic gases; and a processor, which includes a housing 2, a desulfurization and deacidification device 3, a dust removal device 4, a backflushing device 5 and a sealing device 6, wherein the housing 2 includes a dust collection hopper 21 and a cavity 22, and the dust collection hopper 21 is disposed in the cavity 22. At the bottom, the dust collection hopper 21 is provided with a flue gas inlet pipe 23, which is connected to the flue gas pipe 11; the interior of the cavity 22 is provided with a treatment zone 221, a transition zone 222, and a flue gas exhaust zone 223. The treatment zone 221 is connected to the dust collection hopper 21, and the transition zone 222 is connected to the flue gas exhaust zone 223 through a connecting port 261. The flue gas exhaust zone 223 is provided with a flue gas exhaust pipe 24; the desulfurization and deacidification device 3 includes multiple reaction plates 31, the reaction plates 31 The reaction plate 31, located in the processing zone 221, is used to chemically react with sulfur oxides and acidic gases. The dust removal device 4 includes multiple ceramic filter elements 41, each with a filtration section 411 and an exhaust section 412 communicating with the filtration section 411. The filtration section 411 is located in the processing zone 221, and the exhaust section 412 is located in the transition zone 222. The ceramic filter elements 41 are used to adsorb and filter dust. The backflushing device 5 includes an air tank 51 and a pulse valve 52. The air tank 51 has an air delivery end 511 located in the transition zone 222, and the pulse valve 52 controls the operation of the air tank 51. The sealing device 6 includes a sealing cylinder 61 and a sealing plate 62. The sealing cylinder 61 is drivenly connected to the sealing plate 62, which is located in the transition zone 222. The sealing plate 62 opens or closes the communication port 261 under the driving action of the sealing cylinder 61.

[0026] Specifically, the exhaust gas purification equipment of this application consists of two core modules: the desulfurization and deacidification device 3 and the dust removal device 4. The desulfurization and deacidification device 3 uses multiple reaction plates 31 to allow sulfur oxides and acidic gases in the high-temperature flue gas to fully react with the lime powder on the reaction plates 31, thereby achieving efficient desulfurization and deacidification treatment. The dust removal device 4 uses multiple ceramic filter elements 41 with a high-temperature resistant ceramic fiber structure to adsorb and filter dust in the high-temperature flue gas. The high-temperature resistant ceramic filter elements 41 are superior to traditional baghouse dust collectors in terms of high-temperature adaptability, moisture and spark resistance, filtration accuracy, service life, and environmental friendliness.

[0027] like Figure 6As shown, when the crematorium 1 generates high-temperature flue gas during the cremation process, the high-temperature flue gas enters the processor through the flue gas pipe 11, and the processor performs tail gas purification treatment on the high-temperature flue gas. After entering the processor, the high-temperature flue gas first reaches the processing zone 221 through the flue gas inlet pipe 23, and then flows upward through the multiple reaction plates 31 of the desulfurization and deacidification device 3 for desulfurization and deacidification treatment (at the same time, the small particles attached to the high-temperature flue gas fall downward into the dust collection hopper 21 and are collected), removing sulfur oxides and acidic gases from the high-temperature flue gas. Next, it flows upward through the multiple ceramic filter elements 41 of the dust removal device 4, and is subjected to dust removal treatment in the filtration section 411 to remove dust from the high-temperature flue gas. Then, it flows upward through the exhaust section 412 to reach the transition zone 222, and then flows downward through the connecting port 261 to reach the exhaust zone 223 (at this time, the sealing plate 62 opens the connecting port 261 under the driving action of the sealing cylinder 61), and finally flows out of the housing 2 through the exhaust pipe 24.

[0028] like Figure 7 As shown, the exhaust gas purification equipment of this application is also equipped with a backflushing device 5 and a sealing device 6. The two are compact in structure and function synergistically. When the ceramic filter element 41 adsorbs a large amount of dust, the backflushing device 5 and the sealing device 6 are used to pulse-jet clean the ceramic filter element 41. During the pulse-jet cleaning, the sealing plate 62 closes the connecting port 261 under the driving action of the sealing cylinder 61 to prevent the gas in the transition zone 222 from flowing out through the connecting port 261. At the same time, the pulse valve 52 opens, and the high-pressure gas in the air tank 51 is injected into the exhaust section 412 through the gas delivery end 511, and then enters the filter section 411. The high-pressure gas is ejected at high speed, causing the dust in the filter section 411 to fall off and finally fall into the dust collection hopper 21 for collection.

[0029] To make the overall structure of the equipment more compact and reduce the flow path of high-temperature flue gas, thereby improving the exhaust gas purification efficiency, the exhaust zone 223 is located to the side of the treatment zone 221, and the exhaust zone 223 is separated from the treatment zone 221 by a vertical partition 25. The transition zone 222 is located above the treatment zone 221 and the exhaust zone 223, and the transition zone 222 is separated from the treatment zone 221 and the exhaust zone 223 by a horizontal partition 26. The connecting port 261 is located on the horizontal partition 26. The vertical partition 25 and the horizontal partition 26 divide the treatment zone 221, the transition zone 222, and the exhaust zone 223 into independent blocks, so that the high-temperature flue gas can only flow through a predetermined channel, thereby improving the exhaust gas purification effect. The connecting port 261 is located directly below the sealing plate 62, and the size of the connecting port 261 is matched with the size of the sealing plate 62, so that when the connecting port 261 is closed by the sealing plate 62, the gas between the transition zone 222 and the smoke exhaust zone 223 is not connected.

[0030] Furthermore, the ceramic filter element 41 is vertically arranged and passes perpendicularly through the horizontal partition 26. A connecting plate 413 is provided at the connection between the filter section 411 and the exhaust section 412, and the connecting plate 413 is snap-fitted to the horizontal partition 26. The horizontal partition 26 has a plurality of mounting holes evenly distributed thereon, which are used to install the ceramic filter element 41. When installing the ceramic filter element 41, the ceramic filter element 41 is vertically inserted into the mounting holes from top to bottom until the connecting plate 413 abuts against the horizontal partition 26. To prevent the ceramic filter element 41 from shaking, the connecting plate 413 is snap-fitted to the horizontal partition 26 or fixed with bolts.

[0031] like Figure 5As shown, the filter section 411 is further shaped as a square column, comprising a ceramic body 411a and a protective cover 411b. The ceramic body 411a is disposed inside the protective cover 411b, and a filter hole 411c is provided at the bottom of the ceramic body 411a. When high-temperature flue gas flows into the filter section 411 for dust removal, the high-temperature flue gas flows upward and enters the interior of the ceramic body 411a through the filter hole 411c, where it is adsorbed and filtered. The purified high-temperature flue gas then flows upward out of the filter section 411. When the backflushing device 5 is used to blow air onto the ceramic filter element 41, the high-pressure gas generated by the backflushing device 5 finally flows out through the filter hole 411c, and the dust adsorbed and filtered by the filter section 411 also falls off through the filter hole 411c under the influence of the high-pressure gas. The ceramic filter element 41 is made of high-temperature resistant ceramic fiber material, which can operate stably in high-temperature flue gas environments up to 900℃. The filtration effect is not affected when the high-temperature flue gas contains a large amount of moisture, and the material is not damaged when the high-temperature flue gas contains sparks. Furthermore, the ceramic filter element 41 has a long service life, a small device size, and stable operation. After it is scrapped, the ceramic filter element 41 can be crushed and remanufactured, achieving resource reuse.

[0032] In this embodiment, the processor further includes a cooling adsorption device 7; the cooling adsorption device 7 includes a heat exchanger 71 and an adsorber 72. The heat exchanger 71 includes multiple heat dissipation pipes 711, which are evenly distributed. One end of each heat dissipation pipe 711 is connected to the exhaust zone 223 via the exhaust pipe 24, and the other end is connected to the adsorber 72. The cooling adsorption device 7 adopts a combined structure of the heat exchanger 71 and the adsorber 72, with the heat exchanger 71 located above the adsorber 72. A fan is also provided on the side of the heat dissipation pipes 711 in the heat exchanger 71, which is used to cool the heat dissipation pipes 711, thereby further reducing the temperature of the high-temperature flue gas and ensuring the normal operation of the adsorber 72. An adsorbent is placed inside the adsorber 72, preferably a honeycomb activated carbon block. An inspection door is also provided on the side of the adsorber 72 for easy inspection and replacement of the activated carbon block. After the high-temperature flue gas flows out of the housing 2 through the exhaust pipe 24, it flows from top to bottom and passes through the heat exchanger 71 and the adsorber 72 in sequence. After passing through the heat exchanger 71, the temperature of the high-temperature flue gas is significantly reduced under the heat dissipation effect of the heat dissipation pipe 711 and the fan. After passing through the adsorber 72, the heavy metal pollutants and odors remaining in the high-temperature flue gas are removed under the adsorption effect of the adsorbent.

[0033] like Figure 4As shown, in this embodiment, the processor further includes a reflux device 8; the reflux device 8 includes a reflux pipe 81, one end of which is connected to the smoke inlet pipe 23, and the other end of which is connected to the cavity 22, so that the gas generated by the backflushing device 5 flows back into the cavity 22 through the reflux pipe 81. If the processor is not equipped with the reflux device 8, the high-pressure gas generated by the backflushing device 5 will be ejected from the ceramic filter element 41, and then propagate in reverse along the smoke inlet pipe 23 and the flue gas pipe 11 into the interior of the cremator 1, causing flames to appear at the observation port of the cremator 1, seriously threatening the safety of the cremator workers. Therefore, by using the return pipe 81 to reversely connect the smoke inlet pipe 23 and the cavity 22, the flow path of the high-pressure gas is reset. After the high-pressure gas is ejected from the ceramic filter element 41, it propagates back into the cavity 22 along the smoke inlet pipe 23 and the return pipe 81. The high-pressure gas forms a circulation inside the processor, avoiding reflection towards the cremator 1, thereby eliminating the risk of flame ejection from the observation port of the cremator 1 and ensuring the safety of cremation workers.

[0034] The return device 8 connects the flue gas pipe 11, the flue gas inlet pipe 23, and the return pipe 81. To improve gas flow efficiency and optimize gas flow path, the return device 8 also includes a three-way pipe 82. The three-way pipe 82 has a first port, a second port, and a third port. The first port is connected to the flue gas inlet pipe 23, the second port is connected to the return pipe 81, and the third port is connected to the flue gas pipe 11. The first port and the second port are on the same axis.

[0035] In this embodiment, the plurality of reaction plates 31 are divided into an upper reaction group and a lower reaction group. The upper reaction group is located above the lower reaction group, and adjacent reaction plates 31 in the upper reaction group are spaced 32 apart. The spaced 32 is located above the reaction plates 31 in the lower reaction group. The plurality of reaction plates 31 in the upper reaction group are evenly spaced 32 apart, and the plurality of reaction plates 31 in the lower reaction group are also evenly spaced 32 apart. The reaction plates 31 in the upper reaction group are located directly above the spaced 32 in the lower reaction group, and the reaction plates 31 in the lower reaction group are located directly below the spaced 32 in the upper reaction group. By alternating the upper and lower reaction groups, the contact area between the reaction plates 31 and the upward-flowing high-temperature flue gas is increased, thereby improving the absorption and purification efficiency of the desulfurization and deacidification device 3.

[0036] Furthermore, the desulfurization and deacidification device 3 also includes an upper support frame 33 and a lower support frame 34. The upper support frame 33 is equipped with the upper reaction group, and the lower support frame 34 is equipped with the lower reaction group. One side of the upper support frame 33 is inserted into the interior of the cavity 22, and the other side of the upper support frame 33 is detachably connected to the side wall of the housing 2. One side of the lower support frame 34 is inserted into the interior of the cavity 22, and the other side of the lower support frame 34 is detachably connected to the side wall of the housing 2. The reaction plate 31 is made of porous refractory cotton, which contains lime powder. The lime powder is used to react chemically with sulfur oxides and acidic gases. When the lime powder becomes ineffective, the upper support frame 33 and the lower support frame 34 are pulled horizontally to separate them from the housing 2. At the same time, the upper reaction group and the lower reaction group are separated from the processing area 221, and finally the reaction plate 31 is disassembled to facilitate timely replacement of the ineffective reaction plate 31.

[0037] Preferably, the smoke inlet pipe 23 is horizontally positioned below the reaction plate 31, and a dust-blocking part 231 extends horizontally outward from the upper end of the smoke inlet pipe 23. The dust-blocking part 231 is used to block dust falling from above the smoke inlet pipe 23, preventing dust from falling into the smoke inlet pipe 23.

[0038] like Figure 8 As shown in the figure, the table of exhaust gas test results after high-temperature flue gas purification, as well as the pipeline and exhaust gas parameters, are presented. The results show that the emissions of the tail gas purification equipment for crematoriums of this application comply with the emission standards of GB13801-2015.

[0039] This invention is not limited to the above-described embodiments. If any modifications or variations to this invention do not depart from the spirit and scope of this invention, and if such modifications and variations fall within the scope of the claims and equivalent technologies of this invention, then this invention also intends to include such modifications and variations.

Claims

1. A tail gas purification device for a crematorium, characterized in that, include: A crematorium equipped with a flue gas pipe, wherein the crematorium generates high-temperature flue gas during the cremation process, the high-temperature flue gas including dust, sulfur oxides and acidic gases; The processor includes a housing, a desulfurization and deacidification device, a dust removal device, a backflushing device, and a sealing device, wherein... The housing includes a dust collection hopper and a cavity. The dust collection hopper is located at the bottom of the cavity and is provided with a smoke inlet pipe that is connected to the flue gas pipe. The cavity is provided with a processing area, a transition area and a smoke exhaust area. The processing area is connected to the dust collection hopper, the transition area is connected to the smoke exhaust area through a connecting port, and the smoke exhaust area is provided with a smoke exhaust pipe. The desulfurization and deacidification device includes multiple reaction plates, which are arranged in the processing area and are used to chemically react with sulfur oxides and acidic gases. The dust removal device includes multiple ceramic filter elements, each ceramic filter element having a filtration section and an exhaust section communicating with the filtration section. The filtration section is located in the processing zone, and the exhaust section is located in the transition zone. The ceramic filter elements are used to adsorb and filter dust. The recoil device includes an air tank and a pulse valve. The air tank is provided with an air delivery end, which is located in the transition zone. The pulse valve controls the operation of the air tank. The sealing device includes a sealing cylinder and a sealing plate. The sealing cylinder is drivenly connected to the sealing plate. The sealing plate is located in the transition zone. The sealing plate opens or closes the communication port under the driving action of the sealing cylinder.

2. The exhaust gas purification equipment for a crematorium according to claim 1, characterized in that: The smoke exhaust area is located to the side of the treatment area, and the smoke exhaust area and the treatment area are separated by a vertical partition; The transition zone is located above the processing zone and the smoke exhaust zone. The transition zone is separated from the processing zone and the smoke exhaust zone by a horizontal partition, and the connecting port is located on the horizontal partition.

3. The exhaust gas purification equipment for a crematorium according to claim 2, characterized in that: The ceramic filter element is vertically arranged and passes through the horizontal partition. A connecting plate is provided at the connection between the filter section and the exhaust section, and the connecting plate is snapped together with the horizontal partition.

4. The exhaust gas purification equipment for a crematorium according to claim 3, characterized in that: The filter section is rectangular in shape and includes a ceramic body and a protective cover. The ceramic body is disposed inside the protective cover, and a filter hole is provided at the bottom of the ceramic body.

5. The exhaust gas purification device for a crematorium according to claim 1, characterized in that: The processor also includes a cooling adsorption device; The cooling adsorption device includes a heat exchanger and an adsorber. The heat exchanger includes multiple heat dissipation pipes that are evenly distributed. One end of each heat dissipation pipe is connected to the smoke exhaust zone through the smoke exhaust pipe, and the other end of each heat dissipation pipe is connected to the adsorber.

6. The exhaust gas purification device for a crematorium according to claim 1, characterized in that: The processor also includes a recirculation device; The reflux device includes a reflux pipe, one end of which is connected to the smoke inlet pipe and the other end of which is connected to the cavity, so that the gas generated by the backflushing device flows back into the cavity through the reflux pipe.

7. The exhaust gas purification device for a crematorium according to claim 6, characterized in that: The reflux device further includes a three-way pipe, which has a first port, a second port and a third port. The first port is connected to the flue gas inlet pipe, the second port is connected to the reflux pipe, and the third port is connected to the flue gas pipe. The first port and the second port are on the same axis.

8. The tail gas purification device for a crematorium according to claim 1, characterized in that: The plurality of reaction plates are divided into an upper reaction group and a lower reaction group, the upper reaction group being located above the lower reaction group, and adjacent reaction plates in the upper reaction group being spaced apart, the spaced apart being located above the reaction plates in the lower reaction group.

9. The tail gas purification device for a crematorium according to claim 8, characterized in that: The desulfurization and deacidification device further includes an upper support frame and a lower support frame, wherein the upper support frame is equipped with the upper reaction group and the lower support frame is equipped with the lower reaction group; One side of the upper support frame is inserted into the cavity, and the other side of the upper support frame is detachably connected to the side wall of the housing; one side of the lower support frame is inserted into the cavity, and the other side of the lower support frame is detachably connected to the side wall of the housing.

10. The exhaust gas purification device for a crematorium according to claim 1, characterized in that: The smoke inlet pipe is horizontally positioned below the reaction plate, and the upper end of the smoke inlet pipe extends horizontally outward to provide a dust-blocking section.

Images