Flue gas mixing device for laboratory, flue gas simulation equipment and flue gas treatment system for detection
By combining a primary mixer and a secondary mixer, and utilizing buffering, accelerating, and smoke guiding components, multiple mixing of flue gas is achieved. This solves the problems of high cost and poor mixing effect of existing devices, improves the mixing effect, and reduces the difficulty of manufacturing and maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-11
- Publication Date
- 2026-04-07
AI Technical Summary
Existing laboratory flue gas mixing devices have high manufacturing and maintenance costs and poor mixing effect, making it difficult to effectively simulate the mixing state of industrial flue gas.
It adopts a combination structure of primary and secondary mixers, and changes the flue gas velocity and direction through multi-stage mixing, including buffer section, acceleration section and smoke guide section, combined with cylindrical section and conical section, to achieve multiple mixing of flue gas.
It significantly improves flue gas mixing, reduces manufacturing and maintenance costs, and more accurately simulates the mixing state of industrial flue gas.
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Figure CN224086572U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to industrial flue gas detection equipment technical field especially, relates to a laboratory flue gas mixing device, flue gas simulation equipment, detection flue gas treatment system. BACKGROUND
[0002] Boiler, coking and steel smelting industry and so on industry will produce a large amount of industrial flue gas, and industrial flue gas usually after desulfurization, denitration treatment and reaches the discharge standard and then discharges again. The factors that influence desulfurization, denitration effect are many, such as reagent performance, reagent dosage, reagent shape and reagent stacking mode and the similarity degree of simulation condition and actual working condition, and it is important to determine the influence degree of each factor on desulfurization and denitration effect to the development of industry, but, industrial desulfurization, denitration system is often composed of many middle, large-scale equipment, if the influence degree of each factor on desulfurization and denitration is explored using actual production equipment, then there is the problem of great workload, long time consumption, material waste. In order to promote the development of technology, enterprise research and development personnel and school generally research through establishing physical model, and the physical model occupies smaller space, so as to use in laboratory, and in this kind of physical model, it is essential to simulate industrial flue gas. Specifically, in actual production, industrial flue gas usually first passes through dust removal equipment and carries out dust removal, passes through waste heat utilization equipment and recovers waste heat, and then carries out desulfurization and denitration, so that flue gas reaches desulfurization and denitration equipment and has been fully mixed, but for the physical model of research desulfurization and denitration influence factor, flue gas is simulated according to the composition of industrial flue gas and the content of each component, each component corresponds to the gas source of independent control, and after the convergence of multiple gas, carries out desulfurization and denitration, since it is not necessary to specially set dust removal device and waste heat recovery device before desulfurization and denitration, and fully mixed is an important condition to guarantee that the research result is close to actual working condition, so that the flue gas simulated needs to be set up the device that each gas road is fully mixed before desulfurization and denitration.
[0003] The Chinese invention patent ZL 202410382453.9 applied on April 1, 2024 discloses a detection flue gas treatment system, and specifically discloses a static mixer, which is internally provided with a turbulence component. The simulated flue gas is cut into several streams with different flow directions by the turbulence component, and these streams interfere with each other in the static mixer, thereby improving the mixing effect. The technology further discloses that in order to improve the mixing degree of flue gas, multiple sets of turbulence components need to be arranged at intervals. However, during the use of the technology, it is found that due to the small size of the detection flue gas treatment system, the comprehensive cost of production and maintenance of the static mixer is relatively high. Specifically, the flue gas treatment device is proportionally reduced according to the actual desulfurization and denitration equipment, and the height is set between 70cm and 90cm, which is more appropriate. The corresponding length, width and height of the static mixer are between 10cm and 30cm. The size of the turbulence component in the static mixer is smaller. The simplest and low-cost way to fix each part of the turbulence component and fix the turbulence component on the inner wall of the mixing chamber is welding. Therefore, multiple welding procedures are required. The welding between small parts and the welding of multiple turbulence components on the inner wall of the mixing chamber are difficult, and the turbulence component is not easy to maintain, and even needs to be re-ordered. Content of the utility model
[0004] The utility model aims at providing a laboratory flue gas mixing device, flue gas simulation equipment and detection flue gas treatment system. Compared with the prior art, the utility model uses a primary mixer and a secondary mixer to change the flue gas flow rate and flow direction multiple times to improve the flue gas mixing effect. At the same time, the primary mixer and the secondary mixer do not need to weld multiple small parts, and do not involve welding multiple interference airflow direction structures in the cavity. Therefore, the manufacturing difficulty and maintenance cost are lower.
[0005] The technical scheme of the utility model is as follows:
[0006] A laboratory flue gas mixing device includes a primary mixer and a vertically arranged secondary mixer. The primary mixer includes a buffer part, an acceleration part and a smoke guide part. The secondary mixer includes a cylindrical part, a tapered cylindrical part and a smoke outlet pipe. Wherein:
[0007] The smoke inlet of the primary mixer is arranged on the buffer part, the accelerating part is gradually narrowed from one end to the other end, the wide end of the accelerating part is communicated with the buffer part, the two ends of the smoke guide part are communicated with the narrow end of the accelerating part and the cylindrical part respectively, the smoke guide part is used for cutting into the inner wall surface of the cylindrical part, the lower end of the cylindrical part is communicated with the wide end of the tapered cylindrical part, the smoke outlet pipe is fixed on the upper end plate of the cylindrical part, the lower end of the smoke outlet pipe is deep into the middle section of the cylindrical part and is lower than the smoke guide part, the cylindrical part, the tapered cylindrical part and the smoke outlet pipe are coaxial.
[0008] As an optional solution, the buffer part comprises a buffer cylinder and a buffer end cover arranged on the upper end of the buffer cylinder, the lower end of the buffer cylinder is connected with the accelerating part, and the buffer cylinder and / or the buffer end cover is provided with the smoke inlet.
[0009] As an optional solution, the accelerating part comprises an accelerating cylinder and a cover, the wide end of the accelerating cylinder is connected with the buffer part, the narrow end of the accelerating cylinder is provided with the cover, and the accelerating cylinder is concave inward.
[0010] As an optional solution, a plurality of smoke guide parts are arranged around the accelerating cylinder, each smoke guide part is connected with a secondary mixer, and the smoke guide part is provided with a control valve for controlling the on-off of airflow.
[0011] As an optional solution, the smoke gas mixing device for laboratory further comprises a smoke gas collecting part, and the smoke outlet pipes of the secondary mixers are respectively communicated with the smoke gas collecting part.
[0012] As an optional solution, the cylindrical part comprises a circular cylindrical body and an upper end plate arranged on the upper end of the circular cylindrical body, and the upper end plate is sealingly connected with the smoke outlet pipe.
[0013] As an optional solution, the lower end of the tapered cylindrical part is connected with a particle discharge structure.
[0014] As an optional solution, the buffer part and the accelerating part are arranged horizontally or vertically.
[0015] A smoke gas simulation device comprises a gas supply device and the smoke gas mixing device for laboratory according to any one of the above solutions, and the gas supply device comprises a plurality of gas source branches and a main pipe, each gas source branch is connected to the main pipe, and the main pipe is communicated with the smoke inlet of the primary mixer.
[0016] A detection flue gas treatment system comprises a gas supply device, a flue gas treatment device and the laboratory flue gas mixing device of any one of the above, the gas supply device is connected with the flue gas treatment device through the flue gas mixing device, and the flue gas treatment device is used as a treatment equipment for desulfurization and / or denitrification of flue gas.
[0017] The utility model at least includes following beneficial effect:
[0018] 1, the utility model discloses a multistage mixing form to the flue gas is mixed, and the flue gas is decelerated first and then accelerated in the primary mixer, and the flue gas is first helical rotation and then rises and exports in the secondary mixer after accelerating, thereby improve the mixing effect of simulated flue gas.
[0019] 2, the flue gas enters the laboratory flue gas mixing device, and the mixing effect is improved at least three times, and the mixing effect is improved in the buffer portion due to the vortex of the airflow inside due to deceleration, and the mixing effect is improved in the accelerating portion due to the airflow acceleration and the interaction of the airflow and the inner wall of the accelerating portion, and the mixing effect is improved in the secondary mixer due to the helical motion of the airflow along the inner wall from top to bottom and the motion along the axis from bottom to top, so the static mixer in the prior art has better mixing effect.
[0020] 3, in some schemes, the smoke guide portion is arranged on the side of the accelerating portion, the direction of the airflow changes when the airflow enters the smoke guide portion from the accelerating portion, and the mixing effect of the flue gas is further improved.
[0021] 4, compared with the prior art, the utility model utilizes the physical structure of the primary mixer and the secondary mixer to influence the speed and flow direction of the airflow to improve the mixing effect, the primary mixer and the secondary mixer do not need to weld multiple small parts, and do not involve welding multiple structures interfering with the flow direction of the airflow in the cavity, therefore, although both improve the flue gas mixing effect, the manufacturing difficulty and maintenance cost of the laboratory flue gas mixing device of the utility model are lower. BRIEF DESCRIPTION OF DRAWINGS
[0022] The technical features and advantages of the utility model can be more fully understood by combining the drawings and referring to the following detailed description.
[0023] Figure 1 It is the structure schematic diagram of the laboratory flue gas mixing device of an embodiment of the utility model.
[0024] Figure 2 It is the structure schematic diagram of the primary mixer of an embodiment of the utility model.
[0025] Figure 3 It is the structure schematic diagram of the primary mixer of an embodiment of the utility model.
[0026] Figure 4 This is a schematic diagram of the structure of a laboratory flue gas mixing device according to an embodiment of the present invention.
[0027] Figure 5 This is a schematic diagram showing the structural relationship between the cylindrical part and the smoke guide part in one embodiment of this utility model.
[0028] Figure 6 This is a schematic diagram of the structure of a laboratory flue gas mixing device according to an embodiment of the present invention.
[0029] Figure label:
[0030] 1. Primary mixer; 11. Buffer section; 111. Buffer cylinder; 112. Buffer end cap; 113. Smoke inlet; 12. Accelerator section; 121. Accelerator cylinder; 122. Sealing cap; 13. Smoke guide section;
[0031] 2. Secondary mixer; 21. Cylindrical section; 211. Circular cylinder; 212. Upper end plate; 22. Conical section; 23. Smoke outlet pipe; 24. Particle discharge structure;
[0032] 3. Axis. Detailed Implementation
[0033] Unless otherwise defined, the technical or scientific terms used in this specification and claims shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. Before proceeding with the detailed description, it should be noted that... Figures 1 to 6 The arrow-shaped guide lines in the diagram indicate the direction of the flue gas flow.
[0034] This utility model provides a flue gas treatment system for testing, used to study factors affecting the desulfurization and / or denitrification effects of industrial flue gas, and is suitable for laboratory use. The flue gas treatment system includes a flue gas simulation device and a flue gas treatment device. The flue gas simulation device includes a gas supply device for providing gas sources and a laboratory flue gas mixing device. The gas supply device includes several gas source branches and a main pipe. Different gas source branches provide different gas compositions, and each gas source branch is equipped with an independent control valve to independently control the parameters of each gas source. Each gas source branch is connected to the main pipe, and the outlet of the main pipe is connected to the inlet 113 of the laboratory flue gas mixing device (i.e., the inlet 113 on the primary mixer 1 described below). The laboratory flue gas mixing device is used to fully mix the flue gas. The mixed flue gas is then transported to the flue gas treatment device. The function of the flue gas treatment device simulates desulfurization / denitrification equipment in industrial applications, used for desulfurization and / or denitrification treatment of the flue gas.
[0035] Next, combine Figures 1 to 6 The laboratory flue gas mixing device is further described.
[0036] As shown in Figure 1 The laboratory flue gas mixing device mixes flue gas through multi-stage mixing to improve the mixing effect of simulated flue gas. The laboratory flue gas mixing device includes a first-stage mixer 1 and a second-stage mixer 2 arranged vertically. The first-stage mixer 1 has a hollow structure as a whole, which is used to slow down and then accelerate the flue gas to improve the mixing effect of the flue gas through the change in speed. The second-stage mixer 2 also has a hollow structure as a whole, which is used to make the flue gas spiral downward and then upward and output, further improving the mixing effect of the flue gas in the process.
[0037] The first-stage mixer 1 includes a buffer part 11, an acceleration part 12, and a smoke guide part 13. The second-stage mixer 2 includes a cylindrical part 21, a tapered cylindrical part 22, and a smoke outlet pipe 23. The smoke inlet 113 of the first-stage mixer 1 is arranged on the buffer part 11. The buffer part 11 provides a buffer space for the flue gas. After the flue gas enters the buffer part 11 from the smoke inlet 113, it is slowed down. The internal airflow vortex between the slowed-down flue gas interacts with each other to improve the mixing effect. The acceleration part 12 gradually narrows from one end to the other end. The wide end of the acceleration part 12 is connected to the buffer part 11. The flue gas is accelerated during the process of flowing from the wide end to the narrow end. At the same time, the flue gas interacts with the inner wall of the acceleration part 12, which strengthens the internal interaction of the flue gas, thereby improving the mixing effect.
[0038] The two ends of the smoke guide part 13 are connected to the narrow end of the acceleration part 12 and the cylindrical part 21, respectively. The smoke guide part 13 is used to make the flue gas cut along the inner wall surface of the cylindrical part 21. The lower end of the cylindrical part 21 is connected to the wide end of the tapered cylindrical part 22. The smoke outlet pipe 23 is fixed to the upper end plate 212 of the cylindrical part 21. The lower end of the smoke outlet pipe 23 is deep into the middle section of the cylindrical part 21 and is lower than the smoke guide part 13. The cylindrical part 21, the tapered cylindrical part 22, and the smoke outlet pipe 23 are coaxial, and the axes 3 of the three extend vertically. It should be noted that the “middle section” here can be the middle section after the cylindrical part 21 is divided into three sections. After the flue gas cuts along the inner wall surface of the cylindrical part 21, it flows along the inner wall of the cylindrical part 21. Since the lower end of the smoke outlet pipe 23 is lower than the smoke guide part 13, the flue gas will not flow out directly through the smoke outlet pipe 23, but will spiral downward along the inner wall of the tapered cylindrical part 22. Since the lower end of the tapered cylindrical part 22 is narrow, when the flue gas flows to the lower end of the tapered cylindrical part 22, it will move upward along the axis 3 of the tapered cylindrical part 22 until it is output through the smoke outlet pipe 23. The mixing effect of the flue gas is further improved in this process.
[0039] Therefore, it can be seen that after the flue gas enters the laboratory flue gas mixing device, the mixing effect is improved at least three times: in the buffer section 11, the mixing effect is improved due to the vortex generated inside the airflow caused by deceleration; in the acceleration section 12, the mixing effect is improved due to the acceleration of the airflow and the interaction between the airflow and the inner wall of the acceleration section 12; and in the secondary mixer 2, the airflow moves from top to bottom along the inner wall and then from bottom to top along the axis 3, further improving the mixing effect. Figure 1 In the illustrated embodiment, the mixing effect is also enhanced because the airflow changes direction when it enters the smoke guide section 13 from the acceleration section 12. Compared with the prior art, this invention utilizes the physical structure of the primary mixer 1 and the secondary mixer 2 to influence the speed and direction of the airflow to improve the mixing effect. The primary mixer 1 and the secondary mixer 2 do not require welding multiple small parts, nor do they involve welding multiple structures that interfere with the airflow direction inside the cavity. Therefore, although both improve the flue gas mixing effect, the laboratory flue gas mixing device of this invention is easier to manufacture and has lower maintenance costs.
[0040] refer to Figure 1 In some embodiments, the buffer section 11 and the acceleration section 12 are arranged vertically, with the buffer section 11 located above the acceleration section 12, and the smoke inlet 113 located at the upper end of the buffer section 11. The direction of the smoke flow is as follows: Figure 1 As indicated by the arrow. In the first alternative, the buffer section 11 and the acceleration section 12 are still arranged vertically, but the smoke inlet 113 is located on the side of the buffer section 11. In the second alternative, the buffer section 11 and the acceleration section 12 are still arranged vertically, but the upper end and side of the buffer section 11 are respectively provided with smoke inlets 113 (multiple outlets can be provided on the main pipe, each connected to a smoke inlet 113, or the gas source branch can be directly connected to the smoke inlet 113). Airflow enters the buffer section 11 simultaneously from different smoke inlets 113. In this case, the flue gas collides with each other within the buffer section 11, improving the mixing effect. In the third alternative, the buffer section 11 and the acceleration section 12 are arranged horizontally, and the smoke inlet 113 is located on the end face of the buffer section 11. Here, "end face" can be referred to as... Figure 2 The buffer end cap 112 is used. As a fourth alternative, the buffer section 11 and the acceleration section 12 are arranged horizontally, and the smoke inlet 113 is provided on the side of the buffer section 11. Here, "side" can be referred to as Figure 2 The buffer cylinder 111 is used as a fifth alternative. The buffer section 11 and the acceleration section 12 are arranged horizontally, but the end face and side face of the buffer section 11 are respectively provided with smoke inlets 113.
[0041] refer to Figures 1 to 4 as well as Figure 6 Understood. The buffer section 11 includes a buffer cylinder 111 and a buffer end cap 112 disposed at one end of the buffer cylinder 111. The buffer cylinder 111 may be a straight cylinder structure, and the other end of the buffer cylinder 111 is connected to the wide end of the acceleration section 12.Figure 1 、 Figure 3 and Figure 4 In the corresponding embodiment, the buffer cylinder 111 is vertically arranged, and the buffer end cover 112 is arranged at the upper end of the buffer cylinder 111. Figure 2 and Figure 6 In the corresponding embodiment, the buffer cylinder 111 is horizontally arranged, and the buffer end cover 112 is located at the left end (or the right end, the front end, or the rear end) of the buffer cylinder 111. In combination with the previous paragraph, it can be understood that the buffer cylinder 111 and the buffer end cover 112 can be provided with the above-mentioned smoke inlet 113, and the buffer part 11 is connected to the gas supply device through the pipeline at the smoke inlet 113.
[0042] Reference Figures 1 to 4 is made. The acceleration part 12 includes an acceleration cylinder 121 and a cover 122. The acceleration cylinder 121 is gradually narrowed from one end to the other end, which can accelerate the airflow flowing from the wide end to the narrow end. The wide end of the acceleration cylinder 121 is connected to the buffer part 11, and the narrow end of the acceleration cylinder 121 is provided with the cover 122. The periphery of the cover 122 is in sealing connection with the acceleration cylinder 121. The sealing connection here is a broad sense. The seamless connection by welding process and the sealing by sealing element at the connection position can be explained as sealing connection. As shown in Figure 1 、 Figure 2 and Figure 4 , in some embodiments, the acceleration cylinder 121 is concave inward. Alternatively, as shown in Figure 3 , the acceleration cylinder 121 can also adopt a conical structure.
[0043] The smoke guide part 13 is used to guide the flue gas from the acceleration part 12 into the secondary mixer 2. The smoke guide part 13 includes a pipe body, which extends along the horizontal direction. The two ends of the pipe body are respectively fixedly connected to the acceleration part 12 and the cylindrical part 21. Figures 1 to 4 In the embodiment shown in Figure 6 , the smoke guide part 13 is fixed on the side surface of the acceleration part 12 (i.e. on the acceleration cylinder 121). When the flue gas flows from the acceleration part 12 to the smoke guide part 13, the direction of the flue gas changes. Alternatively, as shown in
[0044] The corresponding relationship between the primary mixer 1 and the secondary mixer 2 can be set according to experimental needs. Figure 1 In the embodiment shown in Figure 4In the illustrated embodiment, two smoke guide sections 13 are arranged around the acceleration cylinder 121, and each smoke guide section 13 is connected to a secondary mixer 2. A control valve for controlling the airflow interruption is provided on the smoke guide section 13. In other embodiments, more smoke guide sections 13 may be arranged around the acceleration cylinder 121, that is, the primary mixer 1 and the secondary mixer 2 have a one-to-many relationship, and a control valve may be provided on each smoke guide section 13.
[0045] When the primary mixer 1 and the secondary mixer 2 have a one-to-many relationship, the laboratory flue gas mixing device also includes a flue gas collection section, and the flue gas outlet pipes 23 of each secondary mixer 2 are respectively connected to the flue gas collection section. The main function of the flue gas collection section is to collect the fully mixed flue gas and then connect it to the desulfurization and / or denitrification device through an interface. Therefore, the specific form of the flue gas collection section can be a pipe or a shell structure.
[0046] refer to Figure 1 , Figure 4 and Figure 6 Understanding the structure, the cylindrical section 21 includes a circular cylindrical body 211 and an upper end plate 212. The two ends of the circular cylindrical body 211 are open. The upper end of the circular cylindrical body 211 is fixedly connected to the periphery of the upper end plate 212, and the lower end of the circular cylindrical body 211 connects to the wide end of the conical section 22. The sidewall of the circular cylindrical body 211 is connected to the smoke guide section 13. Figure 5 The diagram illustrates a connection between the cylindrical body 211 and the smoke guide section 13. The wall of the cylindrical body 211 is tangent to the smoke guide section 13, allowing the smoke in the smoke guide section 13 to adhere to the inner wall of the cylindrical body 211 and penetrate into it. The upper end plate 212 has a through hole at its center, and the smoke outlet pipe 23 is sealed to the upper end plate 212 at this through hole.
[0047] refer to Figure 1 and Figure 4 It is understood that actual industrial flue gas contains particles, and therefore some experiments also mix particles into simulated flue gas. In some embodiments, a particle discharge structure 24 is provided at the lower end of the cone section 22 to facilitate the smooth discharge of particulate matter; the particle discharge structure 24 can be a pipe or a box structure. It should be noted that, firstly, the cone section 22 is a slender structure with a small diameter at its lower opening so that the airflow automatically flows upward along the axis 3 after reaching this point; secondly, as the flue gas mixed with particles spirals downward along the inner wall of the cone section 22, the particles will be automatically discharged along the particle discharge structure 24 under the action of gravity.
[0048] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A laboratory flue gas mixing device, characterized in that, The system includes a primary mixer and a vertically arranged secondary mixer. The primary mixer includes a buffer section, an acceleration section, and a smoke guide section. The secondary mixer includes a cylindrical section, a conical section, and a smoke outlet pipe. The inlet of the primary mixer is located on the buffer section. The acceleration section gradually narrows from one end to the other. The wide end of the acceleration section is connected to the buffer section. The two ends of the smoke guide section are respectively connected to the narrow end of the acceleration section and the cylindrical section. The smoke guide section is used to allow the flue gas to cut in along the inner wall of the cylindrical section. The lower end of the cylindrical section is connected to the wide end of the conical section. The smoke outlet pipe is fixed to the upper end plate of the cylindrical section. The lower end of the smoke outlet pipe extends into the middle section of the cylindrical section and is lower than the smoke guide section. The cylindrical section, the conical section, and the smoke outlet pipe are coaxial.
2. The laboratory flue gas mixing device according to claim 1, characterized in that, The buffer section includes a buffer cylinder and a buffer end cap disposed on the upper end of the buffer cylinder. The lower end of the buffer cylinder is connected to the acceleration section. The smoke inlet is disposed on the buffer cylinder and / or the buffer end cap.
3. The laboratory flue gas mixing device according to claim 1, characterized in that, The acceleration section includes an acceleration cylinder and a cover. The wide end of the acceleration cylinder is connected to the buffer section, and the narrow end of the acceleration cylinder is provided with the cover. The acceleration cylinder is concave inward.
4. The laboratory flue gas mixing device according to claim 3, characterized in that, The acceleration cylinder is surrounded by multiple smoke guide sections, each of which is connected to a secondary mixer. Each smoke guide section is equipped with a control valve for controlling the airflow interruption.
5. The laboratory flue gas mixing device according to claim 4, characterized in that, The laboratory flue gas mixing device also includes a flue gas collection section, and the flue gas outlet pipes of each of the secondary mixers are respectively connected to the flue gas collection section.
6. The laboratory flue gas mixing device according to claim 1, characterized in that, The cylindrical section includes a circular cylindrical body and an upper end plate disposed at the upper end of the circular cylindrical body, and the upper end plate is sealed to the smoke outlet pipe.
7. The laboratory flue gas mixing device according to claim 1, characterized in that, The lower end of the cone section is connected to a particle discharge structure.
8. The laboratory flue gas mixing device according to any one of claims 1-7, characterized in that, The buffer section and the acceleration section are arranged horizontally or vertically.
9. A flue gas simulation device, characterized in that, The invention includes a gas supply device and a laboratory flue gas mixing device as described in any one of claims 1-8. The gas supply device includes a plurality of gas source branches and a main pipe, each of the gas source branches being connected to the main pipe, and the main pipe being connected to the flue gas inlet of the primary mixer.
10. A flue gas treatment system for detection, characterized in that, It includes a gas supply device, a flue gas treatment device, and a laboratory flue gas mixing device as described in any one of claims 1-8, wherein the gas supply device is connected to the flue gas treatment device through the flue gas mixing device, and the flue gas treatment device is used as a treatment device for desulfurizing and / or denitrifying flue gas.
Citation Information
Patent Citations
Flue gas treatment system for detection and medicament service life detection method
CN117969217A