A gas catalytic system and catalytic method applied to an industrial boiler

Abstract

This invention relates to the field of gas catalysis technology, specifically to a gas catalysis system and method for use in industrial boilers. It includes a gas pipe body and a catalyst pipe body disposed on the gas pipe body, the gas pipe body and the catalyst pipe body being in communication. A catalytic assembly is disposed within the gas pipe body, the catalytic assembly including a baffle plate installed within the gas pipe body. One side of the baffle plate has a gas-gathering component for catalyzing the gas, and the other side has an exhaust component for discharging the catalyzed gas. This invention uses a baffle to close the baffle plate, forming a mixing chamber between the baffle plate, the baffle plate, and the pusher plate. The gas is mixed in the mixing chamber by the catalyst. When the baffle plate is opened, the catalyzed gas is discharged through the baffle plate for use.

Description

Technical Field

[0001] This invention relates to the field of gas catalysis technology, and more specifically, to a gas catalysis system and catalysis method for use in industrial boilers. Background Technology

[0002] Industrial boilers typically use natural gas as fuel, which provides heat to the boiler through combustion, enabling it to operate normally.

[0003] Gas is directly transported to the combustion chamber in the boiler through pipelines for combustion. However, in order to improve the combustion efficiency and effect of gas, a catalyst is introduced into the pipeline. The catalyst catalyzes the gas to improve the combustion effect. However, the catalyst and gas are in direct contact. This single contact method cannot allow the catalyst to effectively catalyze the gas, which results in an insufficient combustion effect of gas in the combustion chamber.

[0004] Currently, some companies may install valves and blades in the delivery pipeline to mix the catalyst and gas by closing the valve and rotating the blades. However, when the valve is open, because the catalyst and gas in the delivery pipeline are continuously supplied, the catalyst and gas in the delivery pipeline cannot be quickly mixed and catalyzed after the valve is opened, which still results in poor combustion effect of the gas. Summary of the Invention

[0005] The purpose of this invention is to provide a gas catalytic system and catalytic method for use in industrial boilers, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, one objective of this invention is to provide a gas catalytic system for industrial boilers, comprising a gas pipe body and a catalyst pipe body disposed on the gas pipe body, wherein the gas pipe body and the catalyst pipe body are in a connected state, and a catalytic component is disposed within the gas pipe body, the catalytic component comprising a baffle installed within the gas pipe body, a gas-gathering component for catalyzing the gas is disposed on one side of the baffle, and an exhaust component is disposed on the other side, the exhaust component being used to discharge the catalyzed gas.

[0007] As a further improvement to this technical solution, a connecting sleeve is installed at one end of the gas pipe body, the connecting sleeve is connected to the gas supply end, and the other end of the gas pipe body is connected to the combustion chamber of the boiler.

[0008] As a further improvement to this technical solution, the gas-gathering component includes a reciprocating screw mounted on a partition plate, a turbofan mounted on the reciprocating screw, the turbofan being used to drive the reciprocating screw to rotate, and a push plate being provided on the reciprocating screw. When the exhaust component closes the partition plate, a mixing chamber is formed between the exhaust component, the push plate, and the partition plate.

[0009] As a further improvement to this technical solution, the exhaust assembly includes a baffle mounted on a reciprocating lead screw. The baffle and the reciprocating lead screw, as well as the push plate and the reciprocating lead screw, are all threadedly connected. An airflow port is provided on the baffle, and a sealing block is installed on the baffle to seal the airflow port.

[0010] As a further improvement to this technical solution, a support frame is installed on the reciprocating screw, and the support frame is fixedly connected to the gas pipe body;

[0011] The push plate and the baffle are respectively provided with a second limiting block and a first limiting block on their sides. A slide is provided on the inner wall of the gas pipe body. The second limiting block and the first limiting block are both slidably arranged in the slide.

[0012] As a further improvement to this technical solution, as the baffle moves away from the partition, the pusher gradually approaches the partition, forming a secondary mixing chamber between the pusher and the gas pipe body, where the gas and catalyst are mixed and catalyzed.

[0013] As a further improvement to this technical solution, as the pusher plate gradually approaches the partition plate, it forces out the mixed catalytic gas, allowing the gas to be quickly discharged through the gas flow port, wherein:

[0014] When the sealing block closes the airflow port, it removes residue from the inner wall of the airflow port.

[0015] As a further improvement to this technical solution, a rotating rod is installed on the reciprocating screw, and the rotating rod is used to catalyze the mixing of the fuel gas in the secondary mixing chamber.

[0016] As a further improvement to this technical solution, a cleaning assembly is provided on the rotating rod. The cleaning assembly includes a first connecting arm and a second connecting arm, which are connected by a central connecting part. The first connecting arm is connected to the rotating rod, and a cleaning plate is provided at one end of the second connecting arm. The cleaning plate contacts the push plate, and the second connecting arm and the cleaning plate are connected by an outer connecting part.

[0017] A spring is provided between the first connecting arm and the second connecting arm.

[0018] The second objective of this invention is to provide a catalytic method for operating the gas catalytic system for industrial boilers described in any of the above-mentioned embodiments, comprising the following method steps:

[0019] Step 1: The catalyst enters through the catalyst tube and is driven by the pressure of the catalyst to rotate the turbine fan. The turbine fan controls the rotation of the reciprocating screw, which expands the space between the push plate and the baffle plate. The baffle plate gradually closes the baffle plate, and the push plate, baffle plate and baffle plate form a mixing chamber. The fuel gas is catalyzed in the mixing chamber.

[0020] Step 2: Through the baffle reset movement, the baffle opens and the catalyzed gas is discharged into the combustion chamber of the boiler through the gas flow port for combustion;

[0021] Step 3: Based on the pusher plate's reset movement, a secondary mixing chamber is formed between the pusher plate and the gas pipe body, which mixes and catalyzes the continuously entering gas and catalyst, and then discharges it through the gas outlet after catalysis.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. In the gas catalytic system and catalytic method applied to industrial boilers, a baffle is used to close the partition, so that a mixing chamber is formed between the baffle, the partition and the pusher plate. The gas is mixed in the mixing chamber by the catalyst. When the baffle is opened, the catalyzed gas is discharged through the partition for use.

[0024] 2. In the gas catalytic system and catalytic method applied to industrial boilers, when the pusher plate moves toward the baffle plate, the pusher plate presses out the catalyzed gas and discharges it through the baffle plate, and a secondary mixing chamber is formed between the baffle plate and the gas pipe body, so as to catalyze the continuously flowing gas through the secondary mixing chamber. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is one of the cross-sectional views of the gas pipe structure of the present invention;

[0027] Figure 3 This is one of the schematic diagrams of the catalytic component structure of the present invention;

[0028] Figure 4 This is a second schematic diagram of the catalytic component structure of the present invention;

[0029] Figure 5 This is a schematic diagram of the cleaning component structure of the present invention;

[0030] Figure 6 This is the second cross-sectional view of the gas pipe structure of the present invention.

[0031] The meanings of the labels in the diagram are as follows:

[0032] 1. Gas pipe body;

[0033] 2. Catalyst tube body;

[0034] 3. Connecting sleeve;

[0035] 4. Catalytic assembly; 41. Separator; 411. Gas inlet; 42. Reciprocating screw; 421. Support frame; 422. Rotating rod; 423. Cleaning assembly; 4231. First connecting arm; 4232. Second connecting arm; 4233. Middle connecting part; 4234. Spring; 4235. Cleaning plate; 4236. Outer connecting part; 43. Turbine fan; 44. Push plate; 441. Second limiting block; 45. Baffle; 451. Sealing block; 452. First limiting block. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] Example 1

[0040] Please see Figures 1-6As shown, this embodiment provides a gas catalytic system for industrial boilers, including a gas pipe body 1 and a catalyst pipe body 2 disposed on the gas pipe body 1. The gas pipe body 1 and the catalyst pipe body 2 are in a connected state. The gas pipe body 1 is used to transport gas, and the catalyst pipe body 2 is used to transport catalyst. Both the catalyst and the gas are in a gaseous state. A catalytic component 4 is disposed inside the gas pipe body 1. The catalytic component 4 includes a partition 41 installed inside the gas pipe body 1. A gas-gathering component for catalyzing the gas is disposed on one side of the partition 41, and an exhaust component is disposed on the other side. The exhaust component is used to discharge the catalyzed gas. By sealing the partition 41 through the exhaust component, a mixing chamber is formed between the gas-gathering component and the partition 41. The input gas and catalyst are mixed and catalyzed in the mixing chamber. When the exhaust component is opened, the mixed and catalyzed gas and catalyst are discharged through the exhaust component.

[0041] Next, as the exhaust assembly gradually opens, a temporary secondary mixing chamber is formed between the gas-gathering assembly and the gas pipe 1. At this time, the catalyst and the gas undergo mixing and catalysis in the secondary mixing chamber, allowing the catalyst and gas to mix and catalyze even when the exhaust assembly is open. This improves the overall catalytic efficiency of the gas and catalyst, facilitating rapid combustion of the gas in the boiler. The structural effects described above are explained in detail below:

[0042] One end of the gas pipe body 1 is equipped with a connecting sleeve 3, which is connected to the gas supply end. The other end of the gas pipe body 1 is connected to the combustion chamber of the boiler. The gas supply end is the end that supplies gas. The gas enters the boiler combustion chamber again through the entry of gas and catalyst and the mixing of gas-gathering components, so as to improve the combustion efficiency of gas.

[0043] The gas-gathering assembly includes a reciprocating screw 42 mounted on a baffle 41, a turbo fan 43 mounted on the reciprocating screw 42, and a pusher plate 44 mounted on the reciprocating screw 42. When the exhaust assembly closes the baffle 41, a mixing chamber is formed between the exhaust assembly, the pusher plate 44, and the baffle 41. In this design, the turbo fan 43 rotates with the help of the catalyst gas inside the catalyst tube 2, and the exhaust assembly is also mounted on the reciprocating screw 42. The rotation of the turbo fan 43 drives the reciprocating screw 42 to rotate, thereby closing the baffle 41 and forming a mixing chamber between the exhaust assembly, the baffle 41, and the pusher plate 44. The catalyst gas and the fuel gas are mixed and catalyzed in the mixing chamber, improving the catalytic effect on the fuel gas and making the catalyzed fuel gas burn more completely in the boiler combustion chamber.

[0044] To accelerate the catalytic efficiency of the combustion gas, the exhaust assembly includes a baffle 45 mounted on a reciprocating screw 42. The baffle 45 and the reciprocating screw 42, as well as the push plate 44 and the reciprocating screw 42, are all threadedly connected. An airflow port 411 is provided on the partition plate 41, and a sealing block 451 is installed on the baffle 45. The sealing block 451 is used to close the airflow port 411. As the baffle 45 moves away from the partition plate 41, the sealing block 451 no longer closes the airflow port 411. At this time, the mixed and catalyzed combustion gas and catalyst are discharged through the airflow port 411 and transported to the combustion chamber of the boiler for combustion. When the baffle 45 gradually approaches the partition plate 41, the sealing block 451 contacts and closes the airflow port 411, so that the partition plate 41, the baffle 45, the sealing block 451, and the push plate 44 form the aforementioned mixing chamber to mix and catalyze the initially entering combustion gas and catalyst, accelerate the catalytic efficiency of the combustion gas, and facilitate rapid and complete combustion of the combustion gas.

[0045] The reciprocating screw 42 is equipped with a support frame 421, which is fixedly connected to the gas pipe body 1. The sides of the push plate 44 and the baffle 45 are respectively provided with a second limiting block 441 and a first limiting block 452. A slide is provided on the inner wall of the gas pipe body 1. The second limiting block 441 and the first limiting block 452 are slidably arranged in the slide. By sliding the second limiting block 441 and the first limiting block 452 in the slide, the movement of the push plate 44 and the baffle 45 is restricted, so that the push plate 44 and the baffle 45 can only move in a straight line, thereby improving the stability of the movement of the push plate 44 and the baffle 45 and facilitating the use of the entire device.

[0046] In order to catalyze the continuously entering gas, as the baffle 45 moves away from the partition 41, the pusher plate 44 gradually approaches the partition 41, forming a secondary mixing chamber between the pusher plate 44 and the gas pipe 1. The gas and catalyst are mixed and catalyzed in the secondary mixing chamber. The pusher plate 44 and the baffle 45 move synchronously. After the pusher plate 44 moves towards the partition 41, the secondary mixing chamber formed between the pusher plate 44 and the gas pipe 1, through the flow obstruction of the catalyst and gas by the pusher plate 44, allows the gas and catalyst to be mixed and catalyzed in the secondary mixing chamber. With the baffle 45 opening the gas flow port 411, continuous mixing and catalysis of the entering gas and catalyst are achieved, accelerating the catalytic efficiency of the gas and facilitating the complete combustion of the gas in the combustion chamber of the boiler.

[0047] In this scheme, the gas in the mixing chamber will be affected by the rotation and mixing of the turbofan 43. The gas after mixing and catalysis in the sub-mixing chamber will also gradually come into contact with the turbofan 43. The gas is mixed by the rotation of the turbofan 43, and then the gas is discharged through the gas outlet 411, so that the catalytic effect of the whole scheme on the gas is better.

[0048] As the pusher plate 44 gradually approaches the baffle plate 41, it forces the mixed catalytic gas out, allowing the gas to be quickly discharged through the gas flow port 411. When the sealing block 451 closes the gas flow port 411, it removes the residue from the inner wall of the gas flow port 411. By moving the pusher plate 44 close to the baffle plate 41, the catalytic gas in the mixed gas chamber can be quickly forced out of the gas flow port 411, allowing the gas to enter the combustion chamber of the boiler for combustion, thus making the combustion of the gas more complete.

[0049] Secondly, the gas and catalyst contain certain solid particulate impurities. The gas and catalyst are discharged through the gas outlet 411. The solid particulate impurities will adhere to the gas outlet 411, affecting the flow rate of the gas. Therefore, the sealing block 451 will remove the solid particulate impurities attached to the gas outlet 411 during the contact process, ensuring that the gas is discharged smoothly through the gas outlet 411.

[0050] To further improve the catalytic efficiency of the gas in the sub-mixing chamber, a rotating rod 422 is installed on the reciprocating screw 42. The rotating rod 422 is used to mix and catalyze the gas in the sub-mixing chamber. The rotating rod 422 is fixedly connected to the reciprocating screw 42, so the rotating rod 422 rotates with the reciprocating screw 42 to mix and catalyze the gas in the sub-mixing chamber, thereby further improving the catalytic efficiency of the gas.

[0051] Example 2

[0052] Considering that solid particulate impurities in the fuel gas and catalyst will adhere to the pusher plate 44, and since a secondary mixing chamber will be formed between the pusher plate 44 and the fuel gas pipe 1, in order to avoid solid particulate impurities affecting the mixing and catalytic effect of the pusher plate 44 on the fuel gas:

[0053] A cleaning assembly 423 is provided on the rotating rod 422. The cleaning assembly 423 includes a first connecting arm 4231 and a second connecting arm 4232. The first connecting arm 4231 and the second connecting arm 4232 are connected by a middle connecting part 4233. The first connecting arm 4231 is connected to the rotating rod 422. A cleaning plate 4235 is provided at one end of the second connecting arm 4232. The cleaning plate 4235 contacts the push plate 44. The second connecting arm 4232 and the cleaning plate 4235 are connected by an outer connecting part 4236. A spring 4234 is provided between the first connecting arm 4231 and the second connecting arm 4232. The first connecting arm 4231 is connected to the middle connecting part 4233, the second connecting arm 4232 is connected to the middle connecting part 4233, and the second connecting arm 4232 is connected to the outer connecting part 4236. The connection between the connecting part 4236, the cleaning plate 4235 and the outer connecting part 4236 is a rotatable connection. There is an initial included angle between the first connecting arm 4231 and the second connecting arm 4232, which facilitates the movement of the push plate 44 to drive the first connecting arm 4231 and the second connecting arm 4232 to fold. As the rotating rod 422 rotates, the first connecting arm 4231, the second connecting arm 4232 and the cleaning plate 4235 all rotate. The rotation of the cleaning plate 4235 removes solid particulate impurities attached to the surface of the push plate 44, which facilitates the mixing of catalytic gas in the secondary mixing chamber. Due to the installation of the spring 4234, the second connecting arm 4232 is elastically supported, so that the cleaning plate 4235 is in continuous contact with the push plate 44, ensuring that the cleaning plate 4235 wipes off the solid particulate impurities on the push plate 44.

[0054] The second objective of this invention is to provide a catalytic method for operating the gas catalytic system applied to an industrial boiler according to any of the above-mentioned methods, comprising the following steps:

[0055] Step 1: The catalyst enters through the catalyst tube 2. The pressure of the catalyst drives the turbine fan 43 to rotate. The turbine fan 43 controls the rotation of the reciprocating screw 42, which expands the space between the push plate 44 and the partition plate 41. The baffle 45 gradually closes the partition plate 41. The push plate 44, the partition plate 41 and the baffle 45 form a mixing chamber, and the fuel gas is catalyzed in the mixing chamber.

[0056] Step 2: Through the reset movement of the baffle 45, the baffle 45 opens the partition 41 and the catalyzed gas is discharged into the combustion chamber of the boiler through the gas flow port 411 for combustion.

[0057] Step 3: Based on the reset movement of push plate 44, a secondary mixing chamber is formed between push plate 44 and gas pipe 1, which mixes and catalyzes the continuously entering gas and catalyst, and then discharges through gas outlet 411 after catalysis.

[0058] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas catalytic converter system for industrial boilers, comprising a gas pipe body (1) and a catalyst pipe body (2) disposed on the gas pipe body (1), wherein the gas pipe body (1) and the catalyst pipe body (2) are in a connected state, characterized in that: A catalytic component (4) is provided inside the gas pipe body (1). The catalytic component (4) includes a partition (41) installed inside the gas pipe body (1). A gas-gathering component for catalyzing the gas is provided on one side of the partition (41), and an exhaust component is provided on the other side. The exhaust component is used to discharge the catalyzed gas.

2. The gas catalytic combustion system for industrial boilers according to claim 1, characterized in that: One end of the gas pipe body (1) is equipped with a connecting sleeve (3), which is connected to the gas supply end, and the other end of the gas pipe body (1) is connected to the combustion chamber of the boiler.

3. The gas catalytic combustion system for industrial boilers according to claim 1, characterized in that: The gas-gathering component includes a reciprocating screw (42) mounted on a partition (41), a turbofan (43) mounted on the reciprocating screw (42), the turbofan (43) being used to drive the reciprocating screw (42) to rotate, and a pusher plate (44) being provided on the reciprocating screw (42). When the exhaust component closes the partition (41), a mixing chamber is formed between the exhaust component, the pusher plate (44) and the partition (41).

4. The gas catalytic combustion system for industrial boilers according to claim 3, characterized in that: The exhaust assembly includes a baffle (45) mounted on a reciprocating screw (42). The baffle (45) and the reciprocating screw (42) and the push plate (44) and the reciprocating screw (42) are all threadedly connected. An airflow port (411) is provided on the partition plate (41). A sealing block (451) is installed on the baffle (45). The sealing block (451) is used to seal the airflow port (411).

5. The gas catalytic combustion system for industrial boilers according to claim 4, characterized in that: A support frame (421) is installed on the reciprocating screw (42), and the support frame (421) is fixedly connected to the gas pipe body (1); The push plate (44) and the baffle (45) are respectively provided with a second limiting block (441) and a first limiting block (452). A slide is provided on the inner wall of the gas pipe body (1). The second limiting block (441) and the first limiting block (452) are both slidably arranged in the slide.

6. The gas catalytic combustion system for industrial boilers according to claim 4, characterized in that: As the baffle (45) moves away from the partition (41), the pusher (44) gradually approaches the partition (41), forming a secondary mixing chamber between the pusher (44) and the gas pipe (1), where the gas and catalyst are mixed and catalyzed.

7. The gas catalytic combustion system for industrial boilers according to claim 6, characterized in that: As the pusher plate (44) gradually approaches the partition plate (41), the pusher plate (44) forces out the mixed catalytic gas, allowing the gas to be quickly discharged through the gas flow port (411), wherein: When the sealing block (451) closes the airflow port (411), the sealing block (451) removes the residue from the inner wall of the airflow port (411).

8. The gas catalytic combustion system for industrial boilers according to claim 6, characterized in that: A rotating rod (422) is installed on the reciprocating screw (42), and the rotating rod (422) is used to catalyze the mixing of the gas in the secondary mixing chamber.

9. The gas catalytic combustion system for industrial boilers according to claim 8, characterized in that: A cleaning assembly (423) is provided on the rotating rod (422). The cleaning assembly (423) includes a first connecting arm (4231) and a second connecting arm (4232). The first connecting arm (4231) and the second connecting arm (4232) are connected by a central connecting part (4233). The first connecting arm (4231) is connected to the rotating rod (422). A cleaning plate (4235) is provided at one end of the second connecting arm (4232). The cleaning plate (4235) contacts the push plate (44). The second connecting arm (4232) and the cleaning plate (4235) are connected by an outer connecting part (4236). A spring (4234) is provided between the first connecting arm (4231) and the second connecting arm (4232).

10. A catalytic method for operating a gas catalytic system applied to an industrial boiler according to any one of claims 4-9, characterized in that: The methods and steps include the following: Step 1: The catalyst enters through the catalyst tube (2), and the pressure of the catalyst drives the turbine fan (43) to rotate. The turbine fan (43) controls the rotation of the reciprocating screw (42), which expands the space between the push plate (44) and the partition plate (41), and the baffle (45) gradually closes the partition plate (41). The push plate (44), the partition plate (41) and the baffle (45) form a mixing chamber, and the fuel gas is catalyzed in the mixing chamber. Step 2: The baffle (45) is reset and the baffle (45) opens the partition (41). The catalyzed gas is discharged into the combustion chamber of the boiler through the gas flow port (411) for combustion. Step 3: Based on the reset movement of the push plate (44), a secondary mixing chamber is formed between the push plate (44) and the gas pipe (1), which mixes and catalyzes the continuously entering gas and catalyst, and discharges through the gas outlet (411) after catalysis.

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