Tail gas treatment device of cremation machine
By using a flamethrower to ignite combustible materials in the exhaust gas treatment device of the cremator and controlling the exhaust temperature through the valve assembly, the impact of high-temperature sulfur dioxide on the purification effect of the desulfurization tower is solved, and more efficient exhaust purification is achieved.
Patent Information
- Application Number
- CN202421819735.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The high-temperature sulfur dioxide generated by the sulfur-containing substances in the cremator exhaust gas leads to poor purification effect of the desulfurization tower.
A cremator exhaust gas treatment device is designed to ignite combustible materials in the combustion chamber through a flamethrower to generate combustion chamber exhaust gas, and control the exhaust gas temperature through valve components and pipeline components to avoid excessive temperature affecting desulfurization treatment.
The exhaust temperature of the combustion chamber at the exhaust outlet is effectively controlled, the impact on subsequent desulfurization treatment is reduced, and the exhaust purification effect is improved.
Smart Images
Figure CN222937810U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tail gas treatment, and more specifically, to a tail gas treatment device for a cremator. Background Art
[0002] In the related art, sulfur-containing substances exist in the tail gas of the cremator. When treating the tail gas of the cremator, it is usually necessary to ignite the sulfur-containing substances to generate sulfur dioxide, and then purify the sulfur dioxide through a desulfurization tower. However, the generated sulfur dioxide has a relatively high temperature after ignition, and the desulfurization tower has a poor purification effect on the high-temperature sulfur dioxide. Summary of the Utility Model
[0003] The utility model aims to at least partly solve one of the above technical problems in the prior art. For this purpose, the utility model provides a tail gas treatment device for a cremator, which can control the temperature of the combustion chamber tail gas discharged from the tail gas outlet and avoid the excessively high temperature of the combustion chamber tail gas from affecting the subsequent desulfurization treatment effect.
[0004] The cremator tail gas treatment device according to an embodiment of the present invention includes: a housing having a combustion chamber, a combustion chamber inlet and a combustion chamber outlet communicating with the combustion chamber; a flame sprayer disposed in the combustion chamber for igniting combustibles in the combustion chamber; a valve assembly including a first three-way valve, a second three-way valve, a tail gas inlet valve and a tail gas outlet valve, the first three-way valve having a first valve port, a second valve port and a third valve port, and the second three-way valve having a fourth valve port, a fifth valve port and a sixth valve port; a pipeline assembly including a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, the first pipeline connecting the first valve port and the fourth valve port and having a tail gas inlet with the tail gas inlet valve disposed at the tail gas inlet, the second pipeline connecting the second valve port and the combustion chamber inlet, the third pipeline connecting the combustion chamber outlet and the fifth valve port, the fourth pipeline connecting the third valve port and the sixth valve port and having a tail gas outlet with the tail gas outlet valve disposed at the tail gas outlet; wherein the valve assembly has an air intake state, a pre-exhaust state, a circulation heat dissipation state, a first exhaust state and a second exhaust state; in the air intake state, the tail gas inlet valve is open, the first valve port communicates with the second valve port, and the fourth valve port is closed; in the pre-exhaust state, the tail gas inlet valve is closed, the tail gas outlet valve is closed, the first valve port communicates with the third valve port, and the fourth valve port communicates with the fifth valve port; in the circulation heat dissipation state, the tail gas inlet valve is closed, the tail gas outlet valve is closed, the first valve port communicates with the third valve port, and the fourth valve port communicates with the sixth valve port; in the first exhaust state, the tail gas outlet valve is open, the first valve port communicates with the third valve port, and / or the fourth valve port communicates with the sixth valve port; in the second exhaust state, the tail gas outlet valve is open, the third valve port is closed, and the fifth valve port communicates with the sixth valve port.
[0005] The cremator tail gas treatment device according to an embodiment of the present invention can ignite the cremator tail gas to obtain the combustion chamber tail gas. Its valve assembly has an air intake state, a pre-exhaust state, a circulation heat dissipation state, a first exhaust state and a second exhaust state. The valve assembly can control the intake and exhaust of the cremator tail gas treatment device, and can also control the temperature of the combustion chamber tail gas discharged from the tail gas outlet to avoid the influence of too high temperature of the combustion chamber tail gas on the subsequent desulfurization treatment effect.
[0006] According to some embodiments of the present invention, the flame sprayer includes: a first flame spraying assembly including a plurality of first flame nozzles spaced apart around the axis of the combustion chamber inlet.
[0007] According to some embodiments of the present utility model, the flame spraying directions of the plurality of first flame nozzles are tangent to a first circle, and the center of the first circle is located on the axis of the combustion chamber inlet.
[0008] According to some embodiments of the present utility model, the cremator tail gas treatment device further includes: a first honeycomb heat conducting member, which is arranged in the combustion chamber and located between the combustion chamber inlet and the first flame spraying assembly.
[0009] According to some embodiments of the present utility model, the housing further has a first maintenance opening and a first maintenance door. The first maintenance opening is communicated with the combustion chamber and is opposite to the first flame spraying assembly and the first honeycomb heat conducting member respectively, and the first maintenance door is used to open and close the first maintenance opening.
[0010] According to some embodiments of the present utility model, the flame gun further includes: a second flame spraying assembly, which includes a plurality of second flame nozzles, and the plurality of second flame nozzles are arranged at intervals around the axis of the combustion chamber outlet.
[0011] According to some embodiments of the present utility model, the flame spraying directions of the plurality of second flame nozzles are tangent to a second circle, and the center of the second circle is located on the axis of the combustion chamber outlet.
[0012] According to some embodiments of the present utility model, the cremator tail gas treatment device further includes: a second honeycomb heat conducting member, which is arranged in the combustion chamber and located between the combustion chamber outlet and the second flame spraying assembly.
[0013] According to some embodiments of the present utility model, the housing further has a second maintenance opening and a second maintenance door. The second maintenance opening is communicated with the combustion chamber and is opposite to the second flame spraying assembly and the second honeycomb heat conducting member respectively, and the second maintenance door is used to open and close the second maintenance opening.
[0014] According to some embodiments of the present utility model, a heat preservation layer is provided on the inner wall of the combustion chamber.
[0015] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. Description of the Drawings
[0016] Figure 1 is a three-dimensional view of the cremator tail gas treatment device according to an embodiment of the present utility model;
[0017] Figure 2 is a schematic structural view inside the housing according to an embodiment of the present utility model Figure 1 ;
[0018] Figure 3 is a schematic diagram of the internal structure of the housing according to an embodiment of the present invention Figure 2 ;
[0019] Figure 4 is a schematic diagram of the cremator tail gas treatment device, dust removal device and desulfurization device according to an embodiment of the present invention.
[0020] Reference numerals:
[0021] Housing 1; Combustion chamber 11; Combustion chamber inlet 111; Combustion chamber outlet 112; Heat preservation layer 12;
[0022] Flame sprayer 2; First flame spraying assembly 21; First flame nozzle 211; Second flame spraying assembly 22; Second flame nozzle 221;
[0023] First three-way valve 3; First valve port 31; Second valve port 32; Third valve port 33;
[0024] Second three-way valve 4; Fourth valve port 41; Fifth valve port 42; Sixth valve port 43;
[0025] First pipeline 51; Tail gas inlet 511; Second pipeline 52; First dust collection pipe section 521; Third pipeline 53; Second dust collection pipe section 531; Fourth pipeline 54; Tail gas outlet 541;
[0026] First honeycomb heat conducting member 61; Second honeycomb heat conducting member 62;
[0027] First inspection door 71; Second inspection door 72;
[0028] Temperature and pressure gauge 8;
[0029] Cremator tail gas treatment device 10; Dust removal device 20; Desulfurization device 30. Detailed implementation manners
[0030] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.
[0031] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0032] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "coupling", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection, an electrical connection, or a connection capable of mutual communication; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0033] The cremator tail gas treatment device 10 according to an embodiment of the present utility model will be described in detail below with reference to the accompanying drawings.
[0034] Refer to Figures 1 - 4 As shown, the cremator tail gas treatment device 10 includes: a housing 1, a flamethrower 2, a valve assembly, and a pipeline assembly. The housing 1 has a combustion chamber 11, a combustion chamber inlet 111 and a combustion chamber outlet 112 communicating with the combustion chamber 11. The flamethrower 2 is arranged in the combustion chamber 11, and the flamethrower 2 is used to ignite the combustibles in the combustion chamber 11. The cremator tail gas can enter the combustion chamber 11 through the valve assembly, the pipeline assembly and the combustion chamber inlet 111. Then, the combustibles in the cremator tail gas are heated and ignited by the flamethrower 2 in the combustion chamber 11 to decompose harmful substances. At the same time, the sulfur-containing substances in the cremator tail gas are converted into sulfur dioxide. That is to say, after the cremator tail gas is ignited in the combustion chamber 11, the combustion chamber tail gas containing sulfur dioxide is generated. Then, the combustion chamber tail gas containing sulfur dioxide can be discharged from the combustion chamber 11 through the combustion chamber outlet 112, and then enter the desulfurization device 30 through the valve assembly and the pipeline assembly for desulfurization treatment to realize the purification treatment of the cremator tail gas.
[0035] The valve assembly includes: a first three-way valve 3, a second three-way valve 4, a tail gas inlet valve, and a tail gas outlet valve. The first three-way valve 3 has a first valve port 31, a second valve port 32, and a third valve port 33. The second three-way valve 4 has a fourth valve port 41, a fifth valve port 42, and a sixth valve port 43. The pipeline assembly includes: a first pipeline 51, a second pipeline 52, a third pipeline 53, and a fourth pipeline 54. The first pipeline 51 communicates the first valve port 31 and the fourth valve port 41. The first pipeline 51 has a tail gas inlet 511, and the tail gas inlet valve is arranged at the tail gas inlet 511. The second pipeline 52 communicates the second valve port 32 and the combustion chamber inlet 111. The third pipeline 53 communicates the combustion chamber outlet 112 and the fifth valve port 42. The fourth pipeline 54 communicates the third valve port 33 and the sixth valve port 43. The fourth pipeline 54 has a tail gas outlet 541, and the tail gas outlet valve is arranged at the tail gas outlet 541.
[0036] Among them, the valve assembly has an air intake state, a pre-exhaust state, a circulating heat dissipation state, a first exhaust state, and a second exhaust state to realize the entry, heat dissipation, and discharge of the tail gas.
[0037] Specifically, in the intake state, the exhaust gas inlet valve is opened, the first valve port 31 is communicated with the second valve port 32, and the fourth valve port 41 is closed. At this time, the cremator exhaust gas can enter the combustion chamber 11 through the valve assembly, the pipeline assembly and the combustion chamber inlet 111. Specifically, in the intake state, the cremator exhaust gas sequentially passes through the exhaust gas inlet valve, the exhaust gas inlet 511 of the first pipeline 51, the first pipeline 51, the first valve port 31, the second valve port 32, the second pipeline 52, and the combustion chamber inlet 111 and then enters the combustion chamber 11 to facilitate heating and ignition of the cremator exhaust gas.
[0038] In the pre-exhaust state, the exhaust gas inlet valve is closed, the exhaust gas outlet valve is closed, the first valve port 31 is communicated with the third valve port 33, and the fourth valve port 41 is communicated with the fifth valve port 42. At this time, the combustion chamber exhaust gas can be discharged into the first pipeline 51 and the fourth pipeline 54. Specifically, in the pre-exhaust state, the combustion chamber exhaust gas sequentially passes through the combustion chamber outlet 112, the third pipeline 53, the fifth valve port 42, and the fourth valve port 41 and then enters the first pipeline 51, and then sequentially passes through the first valve port 31 and the third valve port 33 and enters the fourth pipeline 54.
[0039] In the circulating heat dissipation state, the exhaust gas inlet valve is closed, the exhaust gas outlet valve is closed, the first valve port 31 is communicated with the third valve port 33, and the fourth valve port 41 is communicated with the sixth valve port 43. At this time, the combustion chamber exhaust gas can circulate in the first pipeline 51 and the fourth pipeline 54 to facilitate heat exchange between the combustion chamber exhaust gas and the external environment through the first pipeline 51 and the fourth pipeline 54, reduce the gas temperature of the combustion chamber exhaust gas, and avoid the excessive temperature of the combustion chamber exhaust gas from affecting the desulfurization treatment effect of the desulfurization device 30.
[0040] In the first exhaust state, the exhaust gas outlet valve is opened, the first valve port 31 is communicated with the third valve port 33, and / or the fourth valve port 41 is communicated with the sixth valve port 43. At this time, the combustion chamber exhaust gas in the first pipeline 51 and the fourth pipeline 54 can be discharged through the exhaust gas outlet 541. Specifically, in the first exhaust state, when at least one of the two conditions that the first valve port 31 is communicated with the third valve port 33 and the fourth valve port 41 is communicated with the sixth valve port 43 is satisfied, the first pipeline 51 and the fourth pipeline 54 are communicated. At the same time, the exhaust gas outlet valve is opened, and the combustion chamber exhaust gas in the first pipeline 51 and the fourth pipeline 54 can sequentially pass through the exhaust gas outlet 541 and the exhaust gas outlet valve and be discharged to the subsequent desulfurization device 30, and the desulfurization device 30 can perform desulfurization treatment on the combustion chamber exhaust gas.
[0041] In the second exhaust state, the exhaust gas outlet valve is open, the third valve port 33 is closed, and the fifth valve port 42 communicates with the sixth valve port 43. At this time, the combustion chamber exhaust gas generated in the combustion chamber 11 can be quickly discharged to the desulfurization device 30 through the valve assembly and the pipeline assembly. Specifically, in the second exhaust state, the combustion chamber exhaust gas generated in the combustion chamber 11 can sequentially pass through the combustion chamber outlet 112, the third pipeline 53, the fifth valve port 42, and the sixth valve port 43 to enter the fourth pipeline 54, and then sequentially pass through the exhaust gas outlet 541 and the exhaust gas outlet valve and be discharged to the subsequent desulfurization device 30.
[0042] It should be noted that when the cremator exhaust gas treatment device 10 is working, the valve assembly can first switch to the intake state so that the cremator exhaust gas enters the combustion chamber 11 and is ignited to generate combustion chamber exhaust gas, and there are two optional paths for the discharge of the combustion chamber exhaust gas.
[0043] When the temperature of the combustion chamber exhaust gas is greater than or equal to the preset temperature threshold, the first path can be selected, and the valve assembly sequentially switches to the pre-exhaust state, the circulation heat dissipation state, and the first exhaust state, so that the combustion chamber exhaust gas is first discharged into the first pipeline 51 and the fourth pipeline 54, and cools down by circulating and flowing in the first pipeline 51 and the fourth pipeline 54, and then is discharged to the subsequent desulfurization device 30 through the exhaust gas outlet 541 and the exhaust gas outlet valve.
[0044] When the temperature of the combustion chamber exhaust gas is less than the preset temperature threshold, the second path can be selected, and the valve assembly switches to the second exhaust state, so that the combustion chamber exhaust gas sequentially passes through the combustion chamber outlet 112, the third pipeline 53, the fifth valve port 42, and the sixth valve port 43 to enter the fourth pipeline 54, and then sequentially passes through the exhaust gas outlet 541 and the exhaust gas outlet valve and is discharged to the subsequent desulfurization device 30.
[0045] Among them, the value range of the preset temperature threshold can be 400°C to 600°C. For example, the preset temperature threshold is 500°C. Thus, through the switching of various states of the valve assembly, the temperature of the combustion chamber exhaust gas discharged from the exhaust gas outlet 541 can be lower than the preset temperature threshold, so as to facilitate the subsequent desulfurization device 30 to perform desulfurization treatment on the combustion chamber exhaust gas and improve the exhaust gas purification effect.
[0046] According to the cremator exhaust gas treatment device 10 of the embodiment of the present invention, the cremator exhaust gas can be ignited to obtain the combustion chamber exhaust gas. Its valve assembly has an intake state, a pre-exhaust state, a circulation heat dissipation state, a first exhaust state, and a second exhaust state. The valve assembly can control the intake and exhaust of the cremator exhaust gas treatment device 10, and can also control the temperature of the combustion chamber exhaust gas discharged from the exhaust gas outlet 541 to avoid the influence of too high temperature of the combustion chamber exhaust gas on the subsequent desulfurization treatment effect.
[0047] In some embodiments of the present invention, refer to Figure 2As shown, the flamethrower 2 includes: a first flame spraying assembly 21, the first flame spraying assembly 21 includes a plurality of first flame nozzles 211, the plurality of first flame nozzles 211 are arranged at intervals around the axis of the combustion chamber inlet 111, and the cremator tail gas entering the combustion chamber 11 from the combustion chamber inlet 111 can be heated and ignited by the plurality of first flame nozzles 211 to ensure the full combustion of the cremator tail gas.
[0048] In some embodiments of the present invention, referring to Figure 2 As shown, the spraying directions of the plurality of first flame nozzles 211 are tangent to the first circle, and the center of the first circle is located on the axis of the combustion chamber inlet 111. When the plurality of first flame nozzles 211 spray flames, a cyclone can be formed at the axis of the combustion chamber inlet 111 to increase the contact area and contact time between the cremator tail gas and the flame, and improve the combustion sufficiency of the cremator tail gas.
[0049] In some embodiments of the present invention, referring to Figure 3 As shown, the cremator tail gas treatment device 10 further includes: a first honeycomb heat conducting member 61, the first honeycomb heat conducting member 61 is arranged in the combustion chamber 11 and located between the combustion chamber inlet 111 and the first flame spraying assembly 21. The first honeycomb heat conducting member 61 can be a ceramic high-temperature-resistant honeycomb structure. The cremator tail gas can enter the honeycomb holes in the first honeycomb heat conducting member 61 from the combustion chamber inlet 111 and then flow to the first flame spraying assembly 21. The cremator tail gas can be heated by the first honeycomb heat conducting member 61 in the first honeycomb heat conducting member 61 to increase the temperature of the cremator tail gas, so that the harmful substances in the cremator tail gas are thermally decomposed. At the same time, the honeycomb holes in the first honeycomb heat conducting member 61 can also enable the cremator tail gas to be fully diffused. When the cremator tail gas flows out of the first honeycomb heat conducting member 61, the diffused cremator tail gas can be fully ignited by the first flame spraying assembly 21.
[0050] In some embodiments of the present invention, referring to Figure 3 As shown, the housing 1 also has a first inspection opening and a first inspection door 71. The first inspection opening is communicated with the combustion chamber 11 and is opposite to the first flame spraying assembly 21 and the first honeycomb heat conducting member 61 respectively. The first inspection door 71 is used to open and close the first inspection opening. The first flame spraying assembly 21 and the first honeycomb heat conducting member 61 can be inspected through the first inspection opening after the first inspection door 71 is opened, which is convenient for the maintenance of the cremator tail gas treatment device 10. In addition, the first inspection door 71 can be made of a transparent glass door to facilitate observing the working state of the first flame spraying assembly 21 through the first inspection door 71.
[0051] In some embodiments of the present invention, referring to Figure 2As shown, the flamethrower 2 further includes: a second flame spraying assembly 22, the second flame spraying assembly 22 includes a plurality of second flame nozzles 221, the plurality of second flame nozzles 221 are arranged at intervals around the axis of the combustion chamber outlet 112, and the gas in the combustion chamber 11 is heated and ignited by the plurality of second flame nozzles 221 before being discharged through the combustion chamber outlet 112, so as to ensure the full combustion of the cremator tail gas.
[0052] In some embodiments of the present invention, referring to Figure 2 As shown, the spraying directions of the plurality of second flame nozzles 221 are tangent to the second circle, and the center of the second circle is located on the axis of the combustion chamber outlet 112. When the plurality of second flame nozzles 221 spray flames, a cyclone can be formed at the axis of the combustion chamber outlet 112, so as to increase the contact area and contact time between the cremator tail gas and the flame, and improve the combustion sufficiency of the cremator tail gas.
[0053] In some embodiments of the present invention, referring to Figure 3 As shown, the cremator tail gas treatment device 10 further includes: a second honeycomb heat conducting member 62, the second honeycomb heat conducting member 62 is arranged in the combustion chamber 11 and located between the combustion chamber outlet 112 and the second flame spraying assembly 22. The second honeycomb heat conducting member 62 can be a ceramic high-temperature resistant honeycomb structure. The combustion chamber tail gas passes through the second honeycomb heat conducting member 62 and then is discharged from the combustion chamber outlet 112. Since the combustion chamber tail gas is at a relatively high temperature after being heated by the second flame spraying assembly 22, when the combustion chamber tail gas passes through the second honeycomb heat conducting member 62, the combustion chamber tail gas can be fully diffused and dispersed in the honeycomb holes in the second honeycomb heat conducting member 62, so as to increase the heat exchange area between the combustion chamber tail gas and the second honeycomb heat conducting member 62. The combustion chamber tail gas can dissipate heat and cool down through the second honeycomb heat conducting member 62, so as to reduce the temperature of the combustion chamber tail gas discharged from the combustion chamber outlet 112.
[0054] In some embodiments of the present invention, referring to Figure 3 As shown, the housing 1 further has a second inspection opening and a second inspection door 72. The second inspection opening is communicated with the combustion chamber 11 and is opposite to the second flame spraying assembly 22 and the second honeycomb heat conducting member 62 respectively. The second inspection door 72 is used to open and close the second inspection opening. The second flame spraying assembly 22 and the second honeycomb heat conducting member 62 can be inspected through the second inspection opening after the second inspection door 72 is opened, so as to facilitate the maintenance of the cremator tail gas treatment device 10. In addition, the second inspection door 72 can be made of a transparent glass door, so as to observe the working state of the second flame spraying assembly 22 through the second inspection door 72.
[0055] In some embodiments of the present invention, referring to Figure 1 and Figure 2As shown, a heat-insulating layer 12 is provided on the inner wall of the combustion chamber 11. The heat-insulating layer 12 is made of high-temperature resistant cotton to reduce the heat exchange between the combustion chamber 11 and the external environment, and reduce the heat loss of the combustion chamber 11. At the same time, the pipeline assembly is located outside the housing 1, and the heat-insulating layer 12 can reduce the heat transfer from the combustion chamber 11 to the outside of the housing 1, and reduce the heat transfer of the combustion chamber 11 to the first pipeline 51 and the fourth pipeline 54 of the pipeline assembly. When the valve assembly is in the circulating heat dissipation state, it ensures the cooling effect of the combustion chamber exhaust gas in the first pipeline 51 and the fourth pipeline 54.
[0056] In some embodiments of the present invention, referring to Figure 1 As shown, the second pipeline 52 has a first dust collecting pipe section 521 disposed opposite to the combustion chamber inlet 111. The first dust collecting pipe section 521 can be used to accommodate the dust particles in the cremator exhaust gas. The third pipeline 53 has a second dust collecting pipe section 531 disposed opposite to the combustion chamber outlet 112. The second dust collecting pipe section 531 can be used to accommodate the dust particles in the combustion chamber exhaust gas.
[0057] In some embodiments of the present invention, the cremator exhaust gas treatment device 10 further includes: a first temperature sensor, which is disposed on the first three-way valve 3, and the first temperature sensor can be used to detect the temperature of the combustion chamber exhaust gas flowing through the first three-way valve 3.
[0058] In some embodiments of the present invention, the cremator exhaust gas treatment device 10 further includes: a second temperature sensor, which is disposed on the second three-way valve 4, and the second temperature sensor can be used to detect the temperature of the combustion chamber exhaust gas flowing through the second three-way valve 4.
[0059] In some embodiments of the present invention, referring to Figure 3 As shown, the cremator exhaust gas treatment device 10 further includes: a temperature and pressure gauge 8, which penetrates through the housing 1, and the temperature and pressure gauge 8 can be used to detect the temperature and pressure in the combustion chamber 11.
[0060] In some embodiments of the present invention, referring to Figure 4 As shown, the cremator is connected to the exhaust gas inlet 511 of the cremator exhaust gas treatment device 10 through a dust removal device 20, and the exhaust gas outlet 541 of the cremator exhaust gas treatment device 10 is connected to a desulfurization device 30. The dust removal device 20 can be a cyclone dust removal device to remove the particulate matter in the cremator exhaust gas, and the desulfurization device 30 can be a desulfurization cooling tower to remove the sulfur dioxide in the combustion chamber exhaust gas.
[0061] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.
[0062] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.
Claims
1. A cremator tail gas treatment device, characterized in that: include: A housing (1), the housing (1) having a combustion chamber (11) and a combustion chamber inlet (111) and a combustion chamber outlet (112) communicated with the combustion chamber (11); a flamethrower (2), the flamethrower (2) being arranged in the combustion chamber (11), and the flamethrower (2) being used to ignite combustibles in the combustion chamber (11); A valve assembly, the valve assembly comprising: a first three-way valve (3), a second three-way valve (4), an exhaust gas inlet valve and an exhaust gas outlet valve, the first three-way valve (3) having a first valve port (31), a second valve port (32) and a third valve port (33), the second three-way valve (4) having a fourth valve port (41), a fifth valve port (42) and a sixth valve port (43); A pipeline assembly, the pipeline assembly comprising: a first pipeline (51), a second pipeline (52), a third pipeline (53) and a fourth pipeline (54), the first pipeline (51) being connected to the first valve port (31) and the fourth valve port (41), the first pipeline (51) having an exhaust gas inlet (511), the exhaust gas inlet valve being arranged at the exhaust gas inlet (511), the second pipeline (52) being connected to the second valve port (32) and the combustion chamber inlet (111), the third pipeline (53) being connected to the combustion chamber outlet (112) and the fifth valve port (42), the fourth pipeline (54) being connected to the third valve port (33) and the sixth valve port (43), the fourth pipeline (54) having an exhaust gas outlet (541), the exhaust gas outlet valve being arranged at the exhaust gas outlet (541); Wherein, the valve assembly has an intake state, a pre-exhaust state, a circulating heat dissipation state, a first exhaust state and a second exhaust state; In the intake state, the exhaust gas inlet valve is opened, the first valve port (31) is connected to the second valve port (32), and the fourth valve port (41) is closed; In the pre-exhaust state, the exhaust gas inlet valve is closed, the exhaust gas outlet valve is closed, the first valve port (31) is connected to the third valve port (33), and the fourth valve port (41) is connected to the fifth valve port (42); In the circulating heat dissipation state, the exhaust gas inlet valve is closed, the exhaust gas outlet valve is closed, the first valve port (31) is connected to the third valve port (33), and the fourth valve port (41) is connected to the sixth valve port (43); In the first exhaust state, the exhaust gas outlet valve is opened, the first valve port (31) is connected to the third valve port (33), and / or the fourth valve port (41) is connected to the sixth valve port (43); In the second exhaust state, the tail gas outlet valve is opened, the third valve port (33) is closed, and the fifth valve port (42) is connected to the sixth valve port (43).
2. The crematorium tail gas treatment device according to claim 1, characterized in that: The flamethrower (2) comprises: a first flamethrower assembly (21), wherein the first flamethrower assembly (21) comprises a plurality of first flamethrower nozzles (211), wherein the plurality of first flamethrower nozzles (211) are arranged at intervals around the axis of the combustion chamber inlet (111).
3. The crematorium tail gas treatment device according to claim 2, characterized in that: The flame spraying directions of the plurality of first flame spray nozzles (211) are tangent to a first circle, and the center of the first circle is located on the axis of the combustion chamber inlet (111).
4. The crematorium tail gas treatment device according to claim 3, characterized in that: The incinerator tail gas treatment device further comprises: a first honeycomb heat conducting member (61), wherein the first honeycomb heat conducting member (61) is arranged in the combustion chamber (11) and is located between the combustion chamber inlet (111) and the first flame spraying assembly (21).
5. The crematorium tail gas treatment device according to claim 4, characterized in that: The housing (1) further comprises a first inspection port and a first inspection door (71); the first inspection port is connected to the combustion chamber (11) and is respectively opposite to the first flame spraying assembly (21) and the first honeycomb heat conducting member (61); the first inspection door (71) is used to open and close the first inspection port.
6. The crematorium tail gas treatment device according to any one of claims 2 to 5, characterized in that: The flamethrower (2) further comprises: a second flamethrower assembly (22), wherein the second flamethrower assembly (22) comprises a plurality of second flamethrower nozzles (221), and the plurality of second flamethrower nozzles (221) are arranged at intervals around the axis of the combustion chamber outlet (112).
7. The crematorium tail gas treatment device according to claim 6, characterized in that: The flame spraying directions of the plurality of second flame spray nozzles (221) are tangent to a second circle, and the center of the second circle is located on the axis of the combustion chamber outlet (112).
8. The crematorium tail gas treatment device according to claim 7, characterized in that: The incinerator tail gas treatment device further comprises: a second honeycomb heat conducting member (62), wherein the second honeycomb heat conducting member (62) is arranged in the combustion chamber (11) and between the combustion chamber outlet (112) and the second flame spraying assembly (22).
9. The crematorium tail gas treatment device according to claim 8, characterized in that: The housing (1) further comprises a second inspection port and a second inspection door (72), wherein the second inspection port is connected to the combustion chamber (11) and is respectively opposite to the second flame spraying assembly (22) and the second honeycomb heat conducting member (62), and the second inspection door (72) is used for opening and closing the second inspection port.
10. The crematorium tail gas treatment device according to claim 1, characterized in that: A heat-insulating layer (12) is provided on the inner wall of the combustion chamber (11).