Rapid dust removal pipeline for boiler tail gas

Abstract

The invention discloses a boiler tail gas rapid dust removal pipeline which comprises a dust removal pipeline body, a dust removal spiral pipe is arranged in the dust removal pipeline body, and relates to the technical field of tail gas pipelines. The dust removal spiral pipe is arranged in the dust removal pipeline, the two ends of the dust removal spiral pipe penetrate out of the dust removal pipeline and extend out of the dust removal pipeline, the inner pipe is fixedly installed in the dust removal pipeline, and the inner pipe opening is formed in the outer side of the inner pipe; a flow cavity is formed in the contact position of the dust removal pipeline and the dust removal spiral pipe, and the flow cavity communicates with the opening of the inner pipe, so that high-temperature dry flue gas can be input through the dust removal spiral pipe firstly during dust removal of the tail gas of the boiler; the tail gas input into the inner pipe hoop can be dried when passing through the flowing cavity and intersecting with the inner pipe opening, dust is spread on the inner pipe and the inner pipe opening, then the inner pipe hoop is opened, the dust can be output in the high-pressure environment, and rapid dust removal operation of the boiler tail gas can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of tail gas pipelines, in particular to a boiler tail gas rapid dust removal pipeline. Background Art

[0002] Boiler exhaust refers to the waste gas generated by the boiler during the combustion of fuel. These waste gases usually contain a large amount of harmful substances, which pose a potential threat to the environment and human health. The composition of boiler exhaust is closely related to factors such as the type of fuel burned, combustion conditions, and boiler operating efficiency. Generally, the main components of boiler exhaust include the following:

[0003] 1. Carbon dioxide (CO2)

[0004] Source: Produced when carbon in fuel combines with oxygen in the air.

[0005] Hazard: Carbon dioxide is a greenhouse gas. Excessive emissions will lead to the greenhouse effect and aggravate global warming.

[0006] Features: Carbon dioxide itself is harmless to the human body, but the climate change it causes may indirectly affect the human living environment.

[0007] 2. Carbon monoxide (CO)

[0008] Source: Produced during incomplete combustion, especially when there is insufficient oxygen or incomplete combustion of the fuel.

[0009] Hazards: Carbon monoxide is a colorless, odorless toxic gas that can combine with hemoglobin, reducing oxygen transport in the blood, which may cause poisoning and be fatal in severe cases.

[0010] Characteristics: Carbon monoxide emissions are common in inefficient or poorly maintained boiler equipment.

[0011] 3. Nitrogen oxides (NO x )

[0012] Source: Under high temperature conditions, nitrogen in the air reacts with oxygen to form NO (a type of nitrogen oxide). These nitrogen oxides are produced during boiler combustion, especially when using fuels such as coal or oil.

[0013] Hazard: NO x Pollution of the atmosphere not only exacerbates the formation of acid rain, but also causes respiratory diseases and contributes to the formation of ozone, thereby polluting the air.

[0014] Features: NO x The generation of NO is closely related to the combustion temperature. x The amount of production increased significantly.

[0015] 4. Sulfur dioxide (SO2)

[0016] Source: Mainly comes from the combustion of sulfur-containing fuels (such as coal, oil, natural gas, etc.), where sulfur combines with oxygen to form SO2.

[0017] Hazards: Sulfur dioxide is one of the main causes of acid rain, which can pollute plants, soil and water sources, and cause respiratory diseases to human health.

[0018] Features: When burning coal and other sulfur-containing fuels, sulfur dioxide emissions are relatively large.

[0019] 5. Particulate matter (PM)

[0020] Source: Mainly solid particles generated by incomplete combustion of coal, oil and other fuels during boiler combustion, or because dust in the boiler is not completely removed.

[0021] Hazards: Particulate matter, especially fine particulate matter (PM2.5), is seriously harmful to the human respiratory system. Long-term exposure may lead to diseases such as asthma and lung cancer.

[0022] Characteristics: The generation of particulate matter is related to factors such as fuel quality, combustion temperature and boiler operating status.

[0023] 6. Volatile organic compounds (VOCs)

[0024] Source: Organic gases released during the high temperature combustion of certain organic fuels (such as some types of coal or waste containing volatile organic compounds).

[0025] Hazards: VOCs are ozone precursors that can react with nitrogen oxides to form ground-level ozone, thereby exacerbating air pollution.

[0026] Features: Volatile organic compounds may also cause acute or chronic toxicity to the human body

[0027] In the prior art, boiler exhaust gas is either processed by manual cleaning or discharged to the outside through centralized dust removal, which causes harm to the respiratory tract of personnel or high processing costs during actual operations. There is room for improvement. Summary of the invention

[0028] The object of the present invention is to provide a boiler tail gas rapid dust removal pipeline to solve the problems raised in the above background technology.

[0029] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a boiler exhaust gas rapid dust removal pipeline, comprising a dust removal pipeline, a dust removal spiral tube is arranged inside the dust removal pipeline, both ends of the dust removal spiral tube pass through the dust removal pipeline and extend to the outside of the dust removal pipeline, an inner tube is fixedly installed inside the dust removal pipeline, an inner tube opening is provided on the outer side of the inner tube, a flow cavity is provided at the contact point between the dust removal pipeline and the dust removal spiral tube, and the flow cavity is communicated with the inner tube opening.

[0030] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, one side of the dust removal pipeline is fixedly connected with a connecting flange, the interior of the connecting flange is movably connected with a magnetic attraction component, and two groups of the magnetic attraction components are adapted to each other.

[0031] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline also includes a monitoring ring, and the monitoring ring is arranged on the outside of the dust removal pipeline and is used for physical and chemical monitoring of the dust removal pipeline.

[0032] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, wherein an inner pipe clamp is fixedly installed inside the dust removal pipeline, and the inner pipe clamp is used to block both sides of the flow cavity.

[0033] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, the interior of the connecting flange is provided with a main movable cavity, the magnetic suction component includes a magnetic suction head and a main seat, the magnetic suction head is fixedly connected to the main seat, and the main seat is movably connected to the main movable cavity.

[0034] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, wherein a secondary seat is fixedly connected to one side of the main seat, a secondary active cavity is opened on one side of the main active cavity, and the secondary seat is adapted to the secondary active cavity.

[0035] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline also includes a rolling ball, a first hemispherical groove is opened inside the auxiliary active cavity, and a second hemispherical groove is opened inside the auxiliary seat, and the first hemispherical groove and the second hemispherical groove are both adapted to the rolling ball.

[0036] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, wherein one end of the dust removal spiral tube extending out of the dust removal pipeline is movably connected to the high-temperature flue gas.

[0037] As a further solution of the present invention: a boiler exhaust rapid dust removal pipeline, the inner wall of the monitoring circle is fixedly installed with a temperature sensor and a pressure sensor, and the temperature sensor and the pressure sensor both pass through the dust removal pipeline and extend to the interior of the flow cavity.

[0038] Compared with the prior art, the present invention has the following beneficial effects:

[0039] 1. Since a dust removal spiral tube is arranged inside the dust removal pipe, both ends of the dust removal spiral tube pass through the dust removal pipe and extend to the outside of the dust removal pipe, an inner tube is fixedly installed inside the dust removal pipe, an inner tube opening is arranged on the outer side of the inner tube, and a flow cavity is arranged at the contact point between the dust removal pipe and the dust removal spiral tube, and the flow cavity is communicated with the inner tube opening. Therefore, when removing dust from boiler exhaust gas, high-temperature dry flue gas can be first input through the dust removal spiral tube, so that the exhaust gas input into the inner tube clamp can be dried when it passes through the flow cavity and intersects with the inner tube opening, and the dust can be dispersed in the inner tube and behind the inner tube opening, and then the inner tube clamp can be opened to output the dust under high pressure, so as to realize the rapid dust removal operation of boiler exhaust gas.

[0040] 2. Since a connecting flange is fixedly connected to one side of the dust removal duct, a magnetic suction component is movably connected inside the connecting flange, and two groups of the magnetic suction components are adapted to each other, a main movable cavity is opened inside the connecting flange, and the magnetic suction component includes a magnetic suction head and a main seat, the magnetic suction head is fixedly connected to the main seat, the main seat is movably connected to the main movable cavity, a sub-seat is fixedly connected to one side of the main seat, a sub-active cavity is opened on one side of the main active cavity, the sub-seat is adapted to the sub-active cavity, and a first hemispherical groove is opened inside the sub-seat, and a second hemispherical groove is opened inside the sub-seat, and both the first hemispherical groove and the second hemispherical groove are adapted to the rolling ball. Therefore, the length of the dust removal duct can be combined according to the adaptation of the connecting flange and the magnetic suction component, and the dust removal duct and its internal parts can be disassembled and cleaned conveniently.

[0041] 3. Since the monitoring ring is arranged outside the dust removal duct and provides for chemical monitoring of the dust removal duct, specifically, the inner wall of the monitoring ring is fixedly installed with a temperature sensor and a pressure sensor, and both the temperature sensor and the pressure sensor pass through the dust removal duct and extend to the inside of the flow cavity, the air pressure and temperature inside the dust removal duct can be detected in time, so that the dust can be processed with high pressure at the appropriate time. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a schematic diagram of the overall structure of a boiler tail gas rapid dust removal pipeline of the present invention;

[0043] Figure 2 A cross-sectional view of a dust removal pipeline in a boiler tail gas rapid dust removal pipeline of the present invention;

[0044] Figure 3 This is a structural schematic diagram of a connecting flange and a magnetic attraction component in a boiler tail gas rapid dust removal pipeline of the present invention;

[0045] Figure 4 It is a schematic structural diagram of a rolling ball, a first hemispherical groove and a second hemispherical groove in a boiler tail gas rapid dust removal pipeline of the present invention;

[0046] In the figure: 1. dust removal duct; 2. dust removal spiral tube; 3. inner pipe clamp; 4. monitoring ring; 5. connecting flange; 51. main active cavity; 52. secondary active cavity; 6. magnetic suction assembly; 61. magnetic suction head; 62. main seat; 63. secondary seat; 7. flow cavity; 8. inner tube; 9. inner tube opening; 10. rolling ball; 11. first hemispherical groove; 12. second hemispherical groove. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0049] In an embodiment of the present invention, a rapid dust removal pipeline for boiler exhaust gas is provided, characterized in that it includes a dust removal pipeline 1, a dust removal spiral tube 2 is arranged inside the dust removal pipeline 1, both ends of the dust removal spiral tube 2 pass through the dust removal pipeline 1 and extend to the outside of the dust removal pipeline 1, an inner tube 8 is fixedly installed inside the dust removal pipeline 1, an inner tube opening 9 is provided on the outer side of the inner tube 8, a flow cavity 7 is provided at the contact point between the dust removal pipeline 1 and the dust removal spiral tube 2, and the flow cavity 7 is communicated with the inner tube opening 9.

[0050] Since a dust removal spiral tube 2 is arranged inside the dust removal pipe 1, both ends of the dust removal spiral tube 2 pass through the dust removal pipe 1 and extend to the outside of the dust removal pipe 1, an inner tube 8 is fixedly installed inside the dust removal pipe 1, and an inner tube opening 9 is provided on the outer side of the inner tube 8. A flow cavity 7 is provided at the contact point between the dust removal pipe 1 and the dust removal spiral tube 2, and the flow cavity 7 is communicated with the inner tube opening 9. Therefore, when removing dust from the boiler exhaust gas, high-temperature dry flue gas can be first input through the dust removal spiral tube 2, so that the exhaust gas input into the inner tube clamp 3 can be dried when it passes through the flow cavity 7 and intersects with the inner tube opening 9, and the dust can be dispersed behind the inner tube 8 and the inner tube opening 9. Subsequently, the inner tube clamp 3 can be opened to allow the dust to be output under a high-pressure environment, thereby realizing rapid dust removal of the boiler exhaust gas.

[0051] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, one side of the dust removal pipeline 1 is fixedly connected with a connecting flange 5, the interior of the connecting flange 5 is movably connected with a magnetic attraction component 6, and two groups of the magnetic attraction components 6 are adapted to each other.

[0052] Since a connecting flange 5 is fixedly connected to one side of the dust removal duct 1, a magnetic suction component 6 is movably connected inside the connecting flange 5, and two groups of the magnetic suction components 6 are adapted to each other, a main movable cavity 51 is opened inside the connecting flange 5, and the magnetic suction component 6 includes a magnetic suction head 61 and a main seat 62, the magnetic suction head 61 is fixedly connected to the main seat 62, the main seat 62 is movably connected to the main movable cavity 51, and a sub-seat 63 is fixedly connected to one side of the main seat 62, a sub-active cavity 52 is opened on one side of the main movable cavity 51, the sub-seat 63 is adapted to the sub-active cavity 52, and a first hemispherical groove 11 is opened inside the sub-seat 63, and a second hemispherical groove 12 is opened inside the sub-seat 63, and the first hemispherical groove 11 and the second hemispherical groove 12 are both adapted to the rolling ball 10. Therefore, the length of the dust removal duct 1 can be combined according to the adaptation of the connecting flange 5 and the magnetic suction component 6, and the dust removal duct 1 and its internal parts can be disassembled and cleaned conveniently.

[0053] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline also includes a monitoring ring 4, and the monitoring ring 4 is sleeved on the outside of the dust removal pipeline 1 and is used for physical and chemical monitoring of the dust removal pipeline 1.

[0054] Since the monitoring circle 4 is mounted on the outside of the dust removal duct 1 and provides physical and chemical monitoring of the dust removal duct 1, specifically, the inner wall of the monitoring circle 4 is fixedly installed with a temperature sensor and a pressure sensor, and both the temperature sensor and the pressure sensor pass through the dust removal duct 1 and extend to the interior of the flow cavity 7, the air pressure and temperature inside the dust removal duct 1 can be detected in time, so that the dust can be processed with high pressure at the appropriate time.

[0055] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, the dust removal pipeline 1 has an inner pipe clamp 3 fixedly installed inside, and the inner pipe clamp 3 is used to block both sides of the flow cavity 7.

[0056] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, the connecting flange 5 has a main movable cavity 51 inside, the magnetic suction component 6 includes a magnetic suction head 61 and a main seat 62, the magnetic suction head 61 is fixedly connected to the main seat 62, and the main seat 62 is movably connected to the main movable cavity 51.

[0057] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, one side of the main seat 62 is fixedly connected with a secondary seat 63, one side of the main active cavity 51 is provided with a secondary active cavity 52, and the secondary seat 63 is adapted to the secondary active cavity 52.

[0058] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline also includes a rolling ball 10, a first hemispherical groove 11 is opened inside the auxiliary active cavity 52, and a second hemispherical groove 12 is opened inside the auxiliary seat 63, and the first hemispherical groove 11 and the second hemispherical groove 12 are both adapted to the rolling ball 10.

[0059] As a further solution of the present invention: a boiler exhaust gas rapid dust removal pipeline, wherein one end of the dust removal spiral tube 2 extending out of the dust removal pipeline 1 is movably connected to the high-temperature flue gas.

[0060] As a further solution of the present invention: a boiler exhaust rapid dust removal pipeline, the inner wall of the monitoring circle 4 is fixedly installed with a temperature sensor and a pressure sensor, and the temperature sensor and the pressure sensor both pass through the dust removal pipeline 1 and extend to the interior of the flow cavity 7.

[0061] The working principle of the present invention is: since a dust removal spiral tube 2 is arranged inside the dust removal pipe 1, both ends of the dust removal spiral tube 2 pass through the dust removal pipe 1 and extend to the outside of the dust removal pipe 1, an inner tube 8 is fixedly installed inside the dust removal pipe 1, and an inner tube opening 9 is provided on the outer side of the inner tube 8. A flow cavity 7 is provided at the contact point between the dust removal pipe 1 and the dust removal spiral tube 2, and the flow cavity 7 is communicated with the inner tube opening 9. Therefore, when removing dust from the boiler exhaust gas, high-temperature dry flue gas can be first input through the dust removal spiral tube 2, so that the exhaust gas input into the inner tube clamp 3 can be dried when it passes through the flow cavity 7 and the inner tube opening 9, and the dust can be dispersed behind the inner tube 8 and the inner tube opening 9. Subsequently, the inner tube clamp 3 can be opened to allow the dust to be output under a high-pressure environment, thereby realizing rapid dust removal of the boiler exhaust gas.

[0062] Since a connecting flange 5 is fixedly connected to one side of the dust removal duct 1, a magnetic suction component 6 is movably connected inside the connecting flange 5, and two groups of the magnetic suction components 6 are adapted to each other, a main movable cavity 51 is opened inside the connecting flange 5, and the magnetic suction component 6 includes a magnetic suction head 61 and a main seat 62, the magnetic suction head 61 is fixedly connected to the main seat 62, the main seat 62 is movably connected to the main movable cavity 51, and a sub-seat 63 is fixedly connected to one side of the main seat 62, a sub-active cavity 52 is opened on one side of the main movable cavity 51, the sub-seat 63 is adapted to the sub-active cavity 52, and a first hemispherical groove 11 is opened inside the sub-seat 63, and a second hemispherical groove 12 is opened inside the sub-seat 63, and the first hemispherical groove 11 and the second hemispherical groove 12 are both adapted to the rolling ball 10. Therefore, the length of the dust removal duct 1 can be combined according to the adaptation of the connecting flange 5 and the magnetic suction component 6, and the dust removal duct 1 and its internal parts can be disassembled and cleaned conveniently.

[0063] Since the monitoring circle 4 is mounted on the outside of the dust removal duct 1 and provides physical and chemical monitoring of the dust removal duct 1, specifically, the inner wall of the monitoring circle 4 is fixedly installed with a temperature sensor and a pressure sensor, and both the temperature sensor and the pressure sensor pass through the dust removal duct 1 and extend to the interior of the flow cavity 7, the air pressure and temperature inside the dust removal duct 1 can be detected in time, so that the dust can be processed with high pressure at the appropriate time.

[0064] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A boiler tail gas rapid dust removal pipeline, characterized in that: The invention comprises a dust removal pipe (1), wherein a dust removal spiral pipe (2) is arranged inside the dust removal pipe (1), both ends of the dust removal spiral pipe (2) pass through the dust removal pipe (1) and extend to the outside of the dust removal pipe (1), an inner pipe (8) is fixedly installed inside the dust removal pipe (1), an inner pipe opening (9) is provided on the outer side of the inner pipe (8), a flow cavity (7) is provided at the contact point between the dust removal pipe (1) and the dust removal spiral pipe (2), and the flow cavity (7) is connected to the inner pipe opening (9).

2. A boiler tail gas rapid dust removal pipeline according to claim 1, characterized in that: A connecting flange (5) is fixedly connected to one side of the dust removal duct (1), and a magnetic attraction component (6) is movably connected inside the connecting flange (5), and two groups of the magnetic attraction components (6) are compatible with each other.

3. A boiler tail gas rapid dust removal pipeline according to claim 2, characterized in that: It also comprises a monitoring ring (4), which is sleeved on the outside of the dust removal duct (1) and is used for physical and chemical monitoring of the dust removal duct (1).

4. A boiler tail gas rapid dust removal pipeline according to claim 3, characterized in that: An inner pipe hoop (3) is fixedly installed inside the dust removal pipe (1), and the inner pipe hoop (3) is used to seal both sides of the flow cavity (7).

5. A boiler tail gas rapid dust removal pipeline according to claim 4, characterized in that: A main movable cavity (51) is provided inside the connecting flange (5), and the magnetic suction component (6) comprises a magnetic suction head (61) and a main seat (62), wherein the magnetic suction head (61) is fixedly connected to the main seat (62), and the main seat (62) is movably connected to the main movable cavity (51).

6. A boiler tail gas rapid dust removal pipeline according to claim 5, characterized in that: A secondary seat (63) is fixedly connected to one side of the main seat (62), a secondary active cavity (52) is opened on one side of the main active cavity (51), and the secondary seat (63) is adapted to the secondary active cavity (52).

7. A boiler tail gas rapid dust removal pipeline according to claim 6, characterized in that: It also includes a rolling ball (10), a first hemispherical groove (11) is provided inside the auxiliary active cavity (52), and a second hemispherical groove (12) is provided inside the auxiliary seat (63), and both the first hemispherical groove (11) and the second hemispherical groove (12) are adapted to the rolling ball (10).

8. The boiler tail gas rapid dust removal pipeline according to claim 7 is characterized in that: One end of the dust removal spiral tube (2) extending out of the dust removal pipeline (1) is movably connected to high-temperature flue gas.

9. A boiler tail gas rapid dust removal pipeline according to claim 8, characterized in that: A temperature sensor and a pressure sensor are fixedly mounted on the inner wall of the monitoring circle (4), and both the temperature sensor and the pressure sensor pass through the dust removal duct (1) and extend to the interior of the flow chamber (7).

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