CN111905464A - Waste gas absorption and purification device and use method thereof - Google Patents
Waste gas absorption and purification device and use method thereof Download PDFInfo
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- CN111905464A CN111905464A CN202010797895.1A CN202010797895A CN111905464A CN 111905464 A CN111905464 A CN 111905464A CN 202010797895 A CN202010797895 A CN 202010797895A CN 111905464 A CN111905464 A CN 111905464A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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Abstract
The invention discloses a waste gas absorption and purification device and a use method thereof, wherein the waste gas absorption and purification device comprises: the filter mechanism comprises a plurality of filter pipes and air injection pipes which correspond to the filter pipes one by one; the filter pipes are movably connected with the corresponding gas injection pipes, the filter pipes are axially parallel to the exhaust pipeline, the filter pipes are hollow pipe bodies which are axially penetrated, filter screens are arranged in the filter pipes, and a collecting device is arranged near the filter screens; the flexible material section is arranged on the filtering pipe, the filtering pipe is divided into a first filtering pipe and a second filtering pipe by the flexible material section, the first filtering pipe is connected to one side, close to the upper opening of the exhaust pipeline, of the flexible material section, the second filtering pipe is connected to one side, far away from the upper opening of the exhaust pipeline, of the flexible material section, and the rotating mechanism is arranged in the filtering pipe.
Description
Technical Field
The invention relates to a waste gas treatment device, in particular to a waste gas absorption and purification device and a using method thereof.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process. Especially chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like, and the human life brings about the generation of domestic waste gas, the discharged waste gas has large smell, seriously pollutes the environment and affects the human health. Industrial waste gases emitted by various production enterprises are important sources of atmospheric pollutants. If a large amount of industrial waste gas is discharged into the atmosphere after reaching the standard without treatment, the quality of the atmospheric environment is inevitably reduced, serious harm is brought to the human health, and huge loss is caused to national economy. After toxic and harmful substances in industrial waste gas enter a human body through respiratory tract and skin, the long-term low-concentration or short-term high-concentration contact can cause temporary and permanent pathological changes of systems and organs such as breath, blood, liver and the like of the human body, and particularly benzopyrene polycyclic aromatic hydrocarbons can directly cause carcinogenesis of the human body to draw high attention to human beings.
The exhaust gas contains many kinds of pollutants, and the physical and chemical properties of the pollutants are very complex and the toxicity of the pollutants is different. The exhaust gas discharged from fuel combustion contains sulfur dioxide, nitrogen oxides (NOx), hydrocarbons, etc.; the tail gas discharged by automobiles contains hydrocarbons such as lead, benzene, phenol and the like, and the pollution of the waste gas to the atmospheric environment is one of the most common and serious environmental problems in the world, and Chinese environmental protection law makes clear regulations on the waste gas discharge standards of various factories and mines.
However, even if the emission standard is specified for the waste gas from the source, the discharged waste gas always has certain influence on the environment, the existing waste gas purification device does not have the function of recycling the waste gas filtering residues and then processing the waste gas into valuable products, the problem of waste gas emission cannot be solved from the aspect of economic benefit, most waste gas emission devices are built at the lower air inlet, the emission direction cannot be actively controlled, and the device is limited by regions.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a waste gas absorption and purification device and a use method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: an exhaust gas absorption and purification device and a use method thereof comprise the following steps: exhaust duct, connect filter mechanism on the exhaust duct, its characterized in that: the filtering mechanism comprises a plurality of filtering pipes and air injection pipes which correspond to the filtering pipes one by one; the filter pipes are movably connected with the corresponding gas injection pipes, the filter pipes are axially parallel to the exhaust pipeline, the filter pipes are hollow pipe bodies which are axially communicated, a plurality of layers of filter screens are arranged in the filter pipes, and a collecting device is arranged near the filter screens; the exhaust duct is characterized in that a flexible material section is arranged on the wall of the filter pipe, the filter pipe is divided into a first filter pipe and a second filter pipe by the flexible material section, the first filter pipe is connected to the side, close to the upper opening of the exhaust duct, of the flexible material section, the second filter pipe is connected to the side, far away from the upper opening of the exhaust duct, of the flexible material section, and a rotating mechanism is arranged in the filter pipe.
In a preferred embodiment of the invention, the filter pipe is connected with the corresponding gas injection pipe through a hinge, and the filter mechanism is hung on the opening of the exhaust pipeline through the hinge.
In a preferred embodiment of the present invention, one end of the rotating mechanism is fixedly connected to the first filtering pipe, a free end of the rotating mechanism is fixedly connected to the second filtering pipe, and the rotating mechanism is provided with a hinge at a position corresponding to the flexible material section.
In a preferred embodiment of the invention, the rotating mechanisms in the plurality of filter pipes are electrically linked, and the free ends of the rotating mechanisms always enclose a circle with the axis coinciding with the axis of the exhaust pipeline.
In a preferred embodiment of the present invention, a suction mechanism is disposed in the filtering pipe.
In a preferred embodiment of the present invention, the air suction device is located near the free end of the second filter pipe.
In a preferred embodiment of the present invention, the filter screen is a convex filter screen.
In a preferred embodiment of the present invention, the collecting device is a ring structure, and the collecting device corresponds to the edge of the filter screen.
In a preferred embodiment of the present invention, the rotation angle of the rotating mechanism is 0 to 90 °.
The invention also provides a use method of the waste gas absorption and purification device, which is characterized by comprising the following steps:
A. adjusting the rotation angle of the second filter pipe according to the rising state of the waste gas in the exhaust pipeline, and increasing the rotation angle when the waste gas is close to the axial position of the exhaust pipeline; when the waste gas is attached to the pipe wall of the exhaust pipeline, the rotation angle is reduced;
B. adjusting the jet pipe with the filter tube contained angle blows waste gas fast away, and according to exhaust duct position closes towards the waste gas management and control district the jet pipe blows waste gas to keeping away from waste gas management and control district direction.
In a preferred embodiment of the invention, the free end of the second filter pipe is provided with an exhaust gas concentration sensor.
The invention also provides a use method of the waste gas absorption and purification device, which is characterized in that the second filter pipe reciprocates in a rotatable range.
In a preferred embodiment of the invention, the gas lance has a rotation angle of 10 to 80 °.
In a preferred embodiment of the invention, a plurality of said collecting devices are in communication with each other.
In a preferred embodiment of the invention, a wind sensor is arranged on one side of the gas ejector pipe, which is far away from the exhaust pipeline.
In a preferred embodiment of the present invention, the wind sensor is electrically connected to the upper hinge of the gas nozzle.
In a preferred embodiment of the present invention, a sliding rail is disposed at a connection position of the filtering mechanism and the exhaust duct.
In a preferred embodiment of the invention, the closer the filter mesh is to the outlet of the exhaust duct, the denser the filter mesh is.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) the filtering mechanism comprises a plurality of filtering pipes and the gas spraying pipes which correspond to the filtering pipes one by one, the gas spraying pipes can spray gas flow towards gas discharged from the filtering pipes, and the gas can be controlled to wholly float while blowing away residual waste gas, so that the gas can be kept away from a waste gas control area, the effect of directional discharge of the waste gas is achieved, the filtered waste gas cannot be directly close to areas such as nearby residences, commercial areas and the like, and adverse effects are avoided as much as possible;
the filter pipes are movably connected with the corresponding gas injection pipes, so that the gas injection pipes can adjust the injection angles according to factors such as external wind direction and wind power, concentration and weight of filtered gas and the like, the injection effect is optimized, the filtered gas is effectively controlled, the adaptability of the gas injection pipe to the environment is improved, and the selection range of the exhaust pipeline to the installation position is further expanded.
(2) The plurality of filter pipes are axially parallel to the exhaust pipeline, so that the filtered waste gas can always face to the right upper side when being exhausted, the adjusting difficulty of the air injection pipe is reduced, and the air injection pipe and the filter pipes are relatively simple to match; the filter pipe is a hollow pipe body which is axially communicated, so that waste gas can smoothly circulate from one end to the other end in the filter pipe, a plurality of layers of filter screens are arranged in the filter pipe, the harm of finally discharged gas is reduced to the minimum after the waste gas is filtered at multiple positions, meanwhile, a corresponding collecting device is arranged near the filter screens, and the filter screen grids which are closer to the outlet of the exhaust pipeline are denser, so that particulate matters which are filtered by each layer of filter screen and are different in size and material can be separately collected, the economic benefit is improved, the convenience for recovering the particulate matters is improved, and the recovery cost is further reduced;
meanwhile, the air suction mechanism is arranged in the filter pipe and is close to the free end of the second filter pipe, the air suction mechanism can enable the waste gas to keep an upward lifting force while realizing the waste gas collecting function, on one hand, the lifting force can enable the gas to smoothly pass through the filter screen, on the other hand, the air suction mechanism is matched with the convex filter screen, intercepted particles are pushed into the collecting device along the radian of the filter screen, and the two media are separated by one force, so that the filter pipe is simple and practical in structure, and the manufacturing cost is reduced.
(3) According to the invention, the flexible material section is arranged on the pipe wall of the filtering pipe, the flexible material section divides the filtering pipe into the first filtering pipe and the second filtering pipe, the flexible material section enables the second filtering pipe to bend and rotate relative to the first filtering pipe, so that the flexibility of the filtering pipe in use is improved, the first filtering pipe is connected to one side, close to the upper opening of the exhaust pipeline, of the flexible material section, so that the filtered gas is always discharged towards the right upper side, meanwhile, the second filtering pipe is connected to one side, far away from the upper opening of the exhaust pipeline, of the flexible material section, the rotating function of the free end of the filtering pipe is realized, therefore, the free end of the filtering pipe can more effectively grab the waste gas in the exhaust pipeline for filtering, and the suction efficiency of the invention is improved;
meanwhile, the filter pipes are internally provided with the rotating mechanisms, the rotating mechanisms in the filter pipes are electrically linked, and the free ends of the rotating mechanisms always enclose a circle with the axis coinciding with the axis of the exhaust pipeline.
(4) The filter pipes are connected with the corresponding gas injection pipes through hinges, the filter mechanism is hung on the upper opening of the exhaust pipeline through the hinges, so that the filter mechanism can be firmly fixed on the exhaust pipeline through a lever principle without additionally arranging a fixing device, the manufacturing cost of the filter mechanism is reduced, meanwhile, a slide rail is arranged at the connecting part of the filter mechanism and the exhaust pipeline, so that a plurality of filter pipes can move around the wall of the exhaust pipeline, the functions of concentrated exhaust gas suction and concentrated directional gas injection are realized under special conditions, the flexibility and the applicability of the filter mechanism are improved, a wind force sensor is arranged on one side of the gas injection pipe, which is far away from the exhaust pipeline in a preferred embodiment of the invention, on one hand, the gas injection pipe can automatically adjust the rotating speed and the injection angle according to external wind force, the response capability is improved, and meanwhile, the energy is saved, on the other hand, the filtering mechanism can also automatically adjust the distribution of the filtering mechanism on the pipe wall of the exhaust pipeline according to external wind power, and the capability of the invention for coping with special external conditions is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a perspective block diagram of a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is a collection diagram of a preferred embodiment of the present invention;
in the figure: 1. an exhaust duct; 2. a collection device; 21. an outer wall interlayer; 22. an inner wall interlayer; 23. a collection well; 3. a filter tube; 31. a first filtering pipe; 32. a second filtering pipe; 33. a discharge hole; 34. a segment of flexible material; 4. a gas ejector tube; 41. a hinge; 42. and a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference in the specification to "an embodiment," "one embodiment," "some embodiments," or "other embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiments is included in at least some embodiments, but not necessarily all embodiments. The various appearances of "an embodiment," "one embodiment," or "some embodiments" are not necessarily all referring to the same embodiments. If the specification states a component, feature, structure, or characteristic "may", "might", or "could" be included, that particular component, feature, structure, or characteristic is not required to be included. If the specification or claim refers to "a" or "an" element, that does not mean there is only one of the element. If the specification or claim refers to "a further" element, that does not preclude there being more than one of the further element.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
In the description of the present invention, unless otherwise specified the use of the ordinal adjectives "first", "second", and "third", etc., to describe a common object, merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
An exhaust gas absorption and purification device and a method for using the same as shown in fig. 1 comprise: exhaust duct 1, connect the filtering mechanism on exhaust duct 1, its characterized in that: the filtering mechanism comprises a plurality of filtering pipes and air injection pipes 4 which are in one-to-one correspondence with the filtering pipes; the filter pipes are movably connected with the corresponding gas injection pipes 4, the filter pipes are axially parallel to the exhaust pipeline 1, the filter pipes are hollow pipe bodies which are axially communicated, a plurality of layers of filter screens are arranged in the filter pipes, and a collecting device 2 is arranged near the filter screens; the exhaust duct is characterized in that a flexible material section 34 is arranged on the wall of the filter duct, the filter duct is divided into a first filter duct 31 and a second filter duct 32 by the flexible material section 34, the first filter duct 31 is connected to the side, close to the upper opening of the exhaust duct 1, of the flexible material section 34, the second filter duct 32 is connected to the side, far away from the upper opening of the exhaust duct 1, of the flexible material section 34, and a rotating mechanism is arranged in the filter duct.
As shown in fig. 1, the filter pipe is connected with the corresponding gas ejector pipe 4 through a hinge, and the filter mechanism is hung on the upper opening of the exhaust pipe 1 through the hinge, it should be appreciated that other connection manners, such as bolt connection, may also be adopted between the filter pipe and the gas ejector pipe 4, it should be noted that, in this application, the gas ejector pipe 4 and the filter pipe are not simply bendable and movably connected, and the gas ejector pipe 4 and the filter pipe need to keep balance when no additional fixing device is installed, and are stably hung on the edge of the upper opening of the exhaust pipe 1, so a plane transition structure may be arranged at the connection between the two, and cooperate with the exhaust pipe 1 to ensure that the two are stably hung.
In a preferred embodiment of the present invention, one end of the rotating mechanism is fixedly connected to the first filtering pipe 31, a free end of the rotating mechanism is fixedly connected to the second filtering pipe 32, and the rotating mechanism is provided with a hinge at a position corresponding to the flexible material section 34.
In a preferred embodiment of the present invention, the rotating mechanisms in the plurality of filter tubes are electrically linked, and the free ends of the rotating mechanisms always enclose a circle whose axis is coincident with the axis of the exhaust duct 1.
In a preferred embodiment of the invention, the filter pipe is provided with an air suction mechanism, and the air suction device is close to the free end of the second filter pipe 32, and it should be appreciated that, in order to maintain the lifting force of the exhaust gas and the particulate matters in the exhaust gas, a plurality of air suction mechanisms can be arranged along the axial direction of the filter pipe, and the lifting forces can work together to ensure that the particulate matters can be pushed into the collecting device 2 along the arc-shaped filter screen.
The filter screen is a convex filter screen, the collecting device 2 is of an annular structure, and the collecting device 2 corresponds to the edge of the filter screen, so that the form of the collecting device 2 can be adjusted at will, and the collecting device 2 can be also arranged into an integrated groove body as long as the waste gas treatment function of the invention is not affected, thereby facilitating the taking out of particles.
As shown in fig. 2, the collecting device 2 is an interlayer coaxial with the exhaust pipeline 1, the outer wall interlayer 21 is attached to the inner wall of the exhaust pipeline 1, the inner wall interlayer 22 is provided with a plurality of collecting holes 23, the collecting holes 23 correspond to the particulate matter discharge holes 33 on the filter pipe, the filter pipe can send the particulate matter into the collecting holes 23 at any position, and the filter pipe discharge holes 33 are closely attached to the inner wall interlayer 22, so that the particulate matter is prevented from leaking.
In a preferred embodiment of the present invention, the rotation angle of the rotating mechanism is 0 to 90 °.
The invention also provides a use method of the waste gas absorption and purification device, which is characterized by comprising the following steps:
A. adjusting the rotation angle of the second filter pipe 32 according to the rising state of the exhaust gas in the exhaust pipeline 1, and increasing the rotation angle when the exhaust gas is close to the axis position of the exhaust pipeline 1; when the waste gas is attached to the pipe wall of the exhaust pipeline 1, the rotation angle is reduced;
B. adjusting jet-propelled pipe 4 with the filter tube contained angle blows waste gas fast away, and according to exhaust duct 1 position closes towards the waste gas management and control district jet-propelled pipe 4 blows waste gas to keeping away from waste gas management and control district direction.
In a preferred embodiment of the present invention, the free end of the second filtering pipe 32 is provided with an exhaust gas concentration sensor.
The present invention also provides a method for using the exhaust gas absorption and purification device, which is characterized in that the second filtering pipe 32 reciprocates in the rotatable range.
In a preferred embodiment of the invention, the gas lance 4 is rotated through an angle of 10 to 80 °.
In a preferred embodiment of the invention, several of said collecting devices 2 are in communication with each other.
In a preferred embodiment of the present invention, a wind sensor is disposed on a side of the gas lance 4 away from the exhaust duct 1.
In a preferred embodiment of the present invention, the wind sensor is electrically connected to the upper hinge of the gas lance 4.
In a preferred embodiment of the present invention, a sliding rail is disposed at a connection position of the filtering mechanism and the exhaust duct 1, and the filtering mechanism moves through a roller.
In a preferred embodiment of the invention, the closer the outlet of the exhaust duct 1, the denser the filter mesh.
The filtering mechanism comprises a plurality of filtering pipes and the gas spraying pipes 4 which are in one-to-one correspondence with the filtering pipes, the gas spraying pipes 4 can spray gas flow towards gas discharged from the filtering pipes, and the gas can be controlled to wholly float while blowing away residual waste gas, so that the gas can be kept away from a waste gas control area, the effect of directional discharge of the waste gas is achieved, the filtered waste gas cannot be directly close to areas such as nearby residences, commercial areas and the like, and adverse effects are avoided as much as possible;
in addition, the filter pipes are movably connected with the corresponding gas injection pipes 4, so that the gas injection pipes 4 can adjust the injection angles according to factors such as external wind direction and wind power, concentration and weight of filtered gas and the like, the injection effect is optimized, the filtered gas is effectively controlled, the adaptability of the gas injection pipe to the environment is improved, and the selection range of the exhaust pipeline 1 to the installation position is further expanded.
In the invention, the plurality of filter pipes are axially parallel to the exhaust pipeline 1, so that the filtered waste gas can always face to the right upper side when being discharged, the adjusting difficulty of the gas injection pipe 4 is reduced, and the gas injection pipe 4 and the filter pipes are relatively simple to match; the filter pipe is a hollow pipe body which is axially communicated, so that waste gas can smoothly circulate from one end to the other end in the filter pipe, a plurality of layers of filter screens are arranged in the filter pipe, the harm of finally discharged gas is reduced to the minimum after the waste gas is filtered at a plurality of positions, meanwhile, a corresponding collecting device 2 is arranged near the filter screens, and the filter screen grids which are closer to the outlet of the exhaust pipeline 1 are denser, so that particulate matters of different sizes and different materials filtered by each layer of filter screen can be separately collected, the economic benefit is improved, the convenience for recovering the particulate matters is improved, and the recovery cost is further reduced;
meanwhile, the air suction mechanism is arranged in the filter pipe and is close to the free end of the second filter pipe 32, the air suction mechanism can enable the waste gas to keep an upward lifting force while realizing the waste gas collecting function, on one hand, the lifting force can enable the gas to smoothly pass through the filter screen, on the other hand, the air suction mechanism is matched with the convex filter screen, intercepted particles are pushed into the collecting device 2 along the radian of the filter screen, and the two media are separated by one force, so that the structure of the air suction mechanism is simple and practical, and the manufacturing cost is reduced.
According to the invention, the flexible material section 34 is arranged on the pipe wall of the filtering pipe, the filtering pipe is divided into the first filtering pipe 31 and the second filtering pipe 32 by the flexible material section 34, the second filtering pipe 32 can bend and rotate relative to the first filtering pipe 31 by the flexible material section 34, so that the flexibility of the filtering pipe in use is improved, the first filtering pipe 31 is connected to one side, close to the upper opening of the exhaust pipeline 1, of the flexible material section 34, so that the filtered gas is always discharged towards the right upper side, meanwhile, the second filtering pipe 32 is connected to one side, far away from the upper opening of the exhaust pipeline 1, of the flexible material section 34, the rotating function of the free end of the filtering pipe is realized, so that the free end of the filtering pipe can more effectively grab the waste gas in the exhaust pipeline 1 for filtering, and the suction efficiency of the invention is improved;
meanwhile, the filter pipes are internally provided with the rotating mechanisms, the rotating mechanisms in the filter pipes are electrically linked, and the free ends of the rotating mechanisms always enclose a circle with the axis coincident with the axis of the exhaust pipeline 1.
The filter pipes are connected with the corresponding gas injection pipes 4 through hinges, the filter mechanism is hung on the upper opening of the exhaust pipeline 1 through the hinges, so that the gas injection pipes can be firmly fixed on the exhaust pipeline 1 through a lever principle even if a fixing device is not additionally arranged, the manufacturing cost of the gas injection pipes is reduced, meanwhile, slide rails are arranged at the connecting positions of the filter mechanism and the exhaust pipeline 1, a plurality of filter pipes can move around the pipe wall of the exhaust pipeline 1, the functions of concentrated waste gas suction and concentrated gas injection pointing are realized under special conditions, and the flexibility and the applicability of the gas injection pipes are improved, in a preferred embodiment of the invention, a wind sensor is arranged on one side of the gas injection pipes 4 far away from the exhaust pipeline 1, on one hand, the gas injection pipes 4 can automatically adjust the rotating speed and the injection angle according to external wind, the coping ability is improved, meanwhile, the energy is saved, on the other hand, the filtering mechanism can automatically adjust the distribution of the filtering mechanism on the pipe wall of the exhaust pipeline 1 according to the external wind power, and the coping ability of the invention under special external conditions is further improved.
When the exhaust gas purification device is used, the rotation angle of the second filter pipe 32 is adjusted according to the rising state of the exhaust gas in the exhaust pipeline 1, and when the exhaust gas is close to the axis position of the exhaust pipeline 1, the rotation angle is increased; when the waste gas is attached to the pipe wall of the exhaust pipeline 1, the rotation angle is reduced; adjusting jet-propelled pipe 4 with the filter tube contained angle blows waste gas fast away, and according to exhaust duct 1 position closes towards the waste gas management and control district jet-propelled pipe 4 blows waste gas to keeping away from waste gas management and control district direction.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An exhaust gas suction-purification device comprising: exhaust duct, connect filter mechanism on the exhaust duct, its characterized in that:
the filtering mechanism comprises a plurality of filtering pipes and air injection pipes which correspond to the filtering pipes one by one;
the filter pipes are movably connected with the corresponding gas injection pipes, the filter pipes are axially parallel to the exhaust pipeline, the filter pipes are hollow pipe bodies which are axially communicated, a plurality of layers of filter screens are arranged in the filter pipes, and a collecting device is arranged near the filter screens;
the exhaust duct is characterized in that a flexible material section is arranged on the wall of the filter pipe, the filter pipe is divided into a first filter pipe and a second filter pipe by the flexible material section, the first filter pipe is connected to the side, close to the upper opening of the exhaust duct, of the flexible material section, the second filter pipe is connected to the side, far away from the upper opening of the exhaust duct, of the flexible material section, and a rotating mechanism is arranged in the filter pipe.
2. An exhaust gas extraction purification apparatus as claimed in claim 1, wherein: the filter pipe is connected with the corresponding gas injection pipe through a hinge, and the filter mechanism is hung on the upper opening of the exhaust pipeline through the hinge.
3. An exhaust gas extraction purification apparatus as claimed in claim 1, wherein: one end of the rotating mechanism is fixedly connected with the first filtering pipe, the free end of the rotating mechanism is fixedly connected with the second filtering pipe, and the rotating mechanism is provided with a hinge at a position corresponding to the flexible material section.
4. An exhaust gas extraction purification apparatus as claimed in claim 3, wherein: the rotating mechanisms in the filtering pipes are in electric linkage, and the free ends of the rotating mechanisms always enclose a circle with the axis coincident with the axis of the exhaust pipeline.
5. An exhaust gas extraction purification apparatus as claimed in claim 1, wherein: and an air suction mechanism is arranged in the filter pipe.
6. An exhaust gas extraction purification apparatus as claimed in claim 5, wherein: the air suction mechanism is close to the free end of the second filter pipe.
7. An exhaust gas extraction purification apparatus as claimed in claim 1, wherein: the filter screen is a convex filter screen.
8. An exhaust gas extraction purification apparatus as claimed in claim 7, wherein: the collecting device is of an annular structure and corresponds to the edge position of the filter screen.
9. An exhaust gas extraction purification apparatus as claimed in claim 1, wherein: the rotation angle of the rotating mechanism is 0-90 degrees.
10. The use method of an exhaust gas suction and purification device according to any one of claims 1 to 9, characterized by comprising the steps of:
A. adjusting the rotation angle of the second filter pipe according to the rising state of the waste gas in the exhaust pipeline, and increasing the rotation angle when the waste gas is close to the axial position of the exhaust pipeline; when the waste gas is attached to the pipe wall of the exhaust pipeline, the rotation angle is reduced;
B. adjusting the jet pipe with the filter tube contained angle blows waste gas fast away, and according to exhaust duct position closes towards the waste gas management and control district the jet pipe blows waste gas to keeping away from waste gas management and control district direction.
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| CN202010797895.1A CN111905464A (en) | 2020-08-10 | 2020-08-10 | Waste gas absorption and purification device and use method thereof |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104096420A (en) * | 2014-06-30 | 2014-10-15 | 成都易态科技有限公司 | Method and equipment for cleaning external type gas filtration tube |
| JP2018165496A (en) * | 2017-03-28 | 2018-10-25 | 朱雀プラスチック株式会社 | Cleaning device of exhaust gas purification unit |
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Application publication date: 20201110 |