CN107754502B - Dust removing device - Google Patents
Dust removing device Download PDFInfo
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- CN107754502B CN107754502B CN201711009287.4A CN201711009287A CN107754502B CN 107754502 B CN107754502 B CN 107754502B CN 201711009287 A CN201711009287 A CN 201711009287A CN 107754502 B CN107754502 B CN 107754502B
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- air flow
- tank body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention relates to a dust removing device, which mainly comprises the steps of introducing dust-containing gas with higher energy into washing liquid of dust removing equipment, and then carrying out demisting treatment to enter a subsequent link, wherein the dust-containing gas has higher energy, the washing liquid has poor fluidity, the dust-containing gas and the washing liquid cannot be fully mixed, and the dust removing effect is poor.
Description
Technical Field
The invention belongs to the technical field of environmental protection dust removal, and particularly relates to a dust removal device.
Background
In the prior art, dust is removed in places with larger dust amount, such as coal kilns, brickkilns or incineration plants, and the like, and the dust heat is higher, and the dust is removed by adopting a wet dust removal technology, wherein the existing wet dust removal technology mainly comprises the steps of introducing dust-containing gas with higher energy into washing liquid of dust removal equipment, and then performing defogging treatment to enter a subsequent link, but the dust-containing gas has higher energy, and the washing liquid has poor fluidity, the dust-containing gas and the washing liquid cannot be fully mixed, the dust removal effect is poor, and the temperature of related dust removal equipment is also higher, so that the durability of the equipment is very challenging; in addition, because the dust-containing gas is large in quantity, the phenomenon of gas up-flowing is likely to occur in the treatment process, and equipment is damaged; in addition, the washing water is not reasonably recycled to cause resource waste, and the invention improves the technical problems.
Disclosure of Invention
The invention aims to solve the problem of providing a dust removing device, wherein the coil pipe is arranged to effectively reduce the risk of upward bouncing of air flow, and can effectively prolong the action time of the dust-containing gas and liquid in the tank body so as to achieve better treatment effect.
In order to solve the technical problems, the invention adopts the following technical scheme:
the dust removing device comprises a tank body and an air flow regulating mechanism positioned in the tank body, wherein the air flow regulating mechanism comprises a disc, a plurality of air flow holes uniformly distributed on the disc, an air flow regulating driving component and an air flow regulating driven component which are positioned on the disc, the air flow regulating driving component is positioned above the middle part of the disc, and a plurality of through grooves for accommodating the air flow regulating driven component are formed in the disc;
the airflow regulation driven part comprises a pulling frame and a plurality of rotating plates, the pulling frame is positioned in a longitudinal space defined by the through groove, the rotating plates are arranged in a straight line in the through groove, the middle parts of the rotating plates are rotationally connected with the inner side wall of the through groove through a fixed shaft, and the upper parts of the rotating plates are rotationally connected with the inner side wall of the pulling frame through the fixed shaft;
the air flow regulating driving component comprises a fixed column, a ring sleeve and driving arms, wherein the bottom surface of the fixed column is fixedly connected with the middle part of the disc, the ring sleeve is sleeved on the periphery of the fixed column and can move up and down relative to the fixed column, a plurality of fixing shafts are uniformly distributed on the periphery of the ring sleeve in a circumferential direction, one ends of the driving arms are rotationally connected with the fixing shafts, the other ends of the driving arms are rotationally connected with the end parts of the pull frames of the air flow regulating driven components, and each driving arm corresponds to one air flow regulating driven component.
Further, a fixed hanging ring is arranged on the upper portion of the ring sleeve, and is driven by external force and drives the ring sleeve to move up and down relative to the fixed column.
Further, the lower part of the tank body is provided with a gas inlet, the top of the tank body is provided with a gas outlet, the gas inlet is connected with a steel coil pipe, through holes are uniformly distributed on the coil pipe, and the coil pipe is positioned below the liquid level in the tank body.
Further, the air flow regulating mechanism is positioned right above the coil pipe, the spraying mechanism is positioned right above the air flow regulating mechanism, and the nozzle opening of the spraying mechanism is downward.
Further, a baffle mist eliminator is also provided, and the mist eliminator is positioned above the spraying mechanism.
Further, the tank bottom is of an inverted cone structure, a tank water outlet is formed in the tank bottom, the tank water outlet is sequentially connected with the primary sedimentation tank and the secondary sedimentation tank, and the secondary sedimentation tank is communicated with the tank water inlet.
Further, an inclined baffle plate is arranged in the primary sedimentation tank, and the baffle plate is formed by connecting a plurality of inclined planes and planes.
Further, a plurality of inclined sedimentation tank water inlet pipes are arranged at the top of the primary sedimentation tank, and the sedimentation tank water inlet pipes are arranged towards the inclined planes of the baffle plates.
The invention also discloses dust removing equipment which comprises a tank body, wherein a gas inlet is formed in the lower portion of the tank body, a gas outlet is formed in the top of the tank body, the gas inlet is connected with a steel coil pipe, through holes are uniformly distributed in the coil pipe, the coil pipe is positioned below the liquid level in the tank body, the bottom of the tank body is of an inverted cone-shaped structure, a tank water outlet is formed in the bottom of the tank body, the tank water outlet is sequentially connected with a primary sedimentation tank and a secondary sedimentation tank, the secondary sedimentation tank is communicated with a tank water inlet, and the outlet of the steel coil pipe is positioned above the tank water outlet.
Further, the tank body further comprises a spraying mechanism and a demister arranged above the spraying mechanism, a nozzle opening of the spraying mechanism faces downwards, and the demister is a baffle demister.
Further, an inclined baffle plate is arranged in the primary sedimentation tank, and a plurality of sludge collecting platforms are arranged on the baffle plate.
Further, a plurality of inclined sedimentation tank water inlet pipes are arranged at the top of the primary sedimentation tank, and the sedimentation tank water inlet pipes are arranged towards the baffle plates.
Further, the coil has a number of convolutions of 3-5 turns.
Further, still be equipped with air current regulation and control mechanism in the jar body, air current regulation and control mechanism is located the coil pipe with spray between the mechanism, air current regulation and control mechanism includes the disc, equipartition is in a plurality of air current holes on the disc, and is located the air current regulation and control drive part and the air current regulation and control driven part on the disc, air current regulation and control drive part is located the top at disc middle part, be equipped with a plurality of being used for holding on the disc air current regulation and control driven part's logical groove.
Further, the airflow regulating driven part comprises a pulling frame and a plurality of rotating plates, the pulling frame is positioned in a longitudinal space defined by the through groove, the rotating plates are arranged in a straight line in the through groove, the middle parts of the rotating plates are rotationally connected with the inner side wall of the through groove through a fixed shaft, and the upper parts of the rotating plates are rotationally connected with the inner side wall of the pulling frame through the fixed shaft;
further, the air flow regulating driving component comprises a fixed column, a ring sleeve and driving arms, wherein the bottom surface of the fixed column is fixedly connected with the middle part of the disc, the ring sleeve is arranged on the periphery of the fixed column and can move up and down relative to the fixed column, a plurality of fixing shafts are uniformly distributed on the periphery of the ring sleeve in a circumferential direction, one ends of the driving arms are rotationally connected with the fixing shafts, the other ends of the driving arms are rotationally connected with the end parts of the pull frames of the air flow regulating driven components, and each driving arm corresponds to one air flow regulating driven component.
Further, a fixed hanging ring is arranged on the upper portion of the ring sleeve, and is driven by external force and drives the ring sleeve to move up and down relative to the fixed column.
Compared with the prior art, the dust removing equipment provided by the invention has the following advantages:
(1) The coil pipe is arranged to effectively reduce the risk of upward bouncing of the air flow, and the coil pipe is of a large-caliber non-blocking steel structure, so that the dust-containing gas can be rapidly mixed with the liquid in the tank body, and the coil pipe is arranged to the lower part of the tank body, so that the action time of the dust-containing gas and the liquid in the tank body can be effectively prolonged, and a better treatment effect can be achieved;
(2) The air flow regulating mechanism can analyze the related data of the pressure gauge and the flow gauge, artificially regulate and control the size of the air flow access opening, and has simple operation and obvious effect;
(3) The washing liquid in the tank body can flow back to the tank body for reuse after sequentially passing through the two-stage sedimentation tanks, wherein a baffle plate in the one-stage sedimentation tank can realize rapid separation of cement, and the washing liquid is recycled and assisted.
Drawings
FIG. 1 is a schematic diagram of a sewage recovery system of a dust removing device in an embodiment;
FIG. 2 is a schematic view of the structure of a dust removing apparatus in the embodiment;
FIG. 3 is a schematic view of the structure of a coil in a dust removing apparatus according to an embodiment;
fig. 4 and 5 are schematic structural views of an airflow control mechanism in a dust removing device in different orientations according to an embodiment;
fig. 6 is an enlarged schematic view of a partial structure of fig. 5.
In the figure: 1. the tank body, 11, a gas inlet, 12, a gas outlet, 13, a tank body water outlet, 14, a tank body water inlet 2, a coil pipe, 21, a through hole, 22, a coil pipe outlet, 3, a gas flow regulating mechanism, 31, a disc, 32, a gas flow hole, 33, a fixed column, 34, a loop, 35, a driving arm, 36, a drawing frame, 37, a rotating plate, 4, a spraying mechanism, 5, a demister, 6, a primary sedimentation tank, 61, a baffle plate, 611, an inclined plane, 612, a plane, 62, a sedimentation tank water inlet pipe, 7 and a secondary sedimentation tank.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication 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 in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
In some embodiments, the dust removing device is mainly used for removing dust in places with larger dust amount, such as coal kilns, brickkilns or incineration plants, and the like, and comprises a tank body 1, wherein the tank body comprises a steel coil pipe 2, an air flow regulating mechanism 3, a spraying mechanism 4 and a baffle plate demister 5 which are arranged from bottom to top, dust-containing gas enters the coil pipe 2 from a gas inlet 11 and enters limestone suspension in the tank body through a through hole 21 and a coil pipe outlet 22 on the coil pipe 2, and the limestone suspension mainly can remove SO in the gas 2 And large-particle dust, the gas after washing passes through the air flow regulating mechanism 3 and then passes through the spraying mechanism 4 to be sprayed for further dust removal, finally passes through the demister 5 for further demisting and sulfur removal, and then enters the next treatment link through the gas outlet 12 positioned at the top of the tank body.
Because the heat of the dust in the coal kiln, the brick kiln or the incineration plant is high, the liquid in the tank body needs to be flowing water to reduce the temperature of the treatment equipment and achieve better treatment effect. In order to recycle the running water, the tank body is sequentially connected with a primary sedimentation tank 6 and a secondary sedimentation tank 7. The liquid in the tank body can flow back to the tank body for reuse after sequentially passing through the two-stage sedimentation tank, and a proper amount of limestone suspension liquid is needed to be added again in the reused liquid.
In some embodiments, the coil pipe 2 is of a large-caliber non-blocking steel structure, so that the dust-containing gas can be quickly mixed with the liquid in the tank body, and the coil pipe 2 is coiled to the lower part of the tank body 1, so that the acting time of the dust-containing gas and the liquid in the tank body 1 can be effectively prolonged, and a better treatment effect can be achieved.
In addition, through a large number of experiments, the coil pipe 2 is preferably coiled for at least 3-5 circles, and the circle range can effectively reduce the temperature of gas in the coil pipe and damage the gas flow speed.
In some embodiments, because the dust amount of a coal kiln, a brickkiln or an incinerator is large, in order to prevent the gas from being up to impact the tank body and other mechanisms in the tank body, an air flow regulating mechanism 3 fixed in the tank body 1 is specially designed, the air flow regulating mechanism 3 is mechanically driven and comprises a disc 31, a plurality of air flow holes 32 uniformly distributed on the disc, an air flow regulating driving component and an air flow regulating driven component, the air flow regulating driving component is positioned above the middle part of the disc, and a plurality of through grooves for accommodating the air flow regulating driven component are formed in the disc;
the airflow regulating driven part comprises a pulling frame 36 and a plurality of rotating plates 37, the pulling frame 36 is positioned in a longitudinal space defined by the through groove, the plurality of rotating plates 37 are arranged in a straight line in the through groove, the middle part of each rotating plate 37 is rotationally connected with the inner side wall of the through groove through a fixed shaft, and the upper part of each rotating plate 37 is rotationally connected with the inner side wall of the pulling frame 36 through the fixed shaft;
the airflow regulating driving component comprises a fixed column 33, a ring sleeve 34 and a driving arm 35, wherein the bottom surface of the fixed column 33 is fixedly connected with the middle part of the disc 31, the ring sleeve 34 is sleeved on the periphery of the fixed column 33 and can move up and down relative to the fixed column 33, a plurality of fixing shafts are uniformly distributed on the periphery of the ring sleeve 34 in a circumferential direction, one end of the driving arm 35 is rotationally connected with the fixing shafts, the other end of the driving arm 35 is rotationally connected with the end part of a pull frame 36 of a certain airflow regulating driven component, and each driving arm 35 corresponds to one airflow regulating driven component.
The upper part of the loop is provided with a fixed hanging ring which is driven by an electric hoist and drives the loop to move up and down relative to the fixed column.
When the air flow is large, the bottom surface of the annular sleeve is abutted with the middle part of the disc, two adjacent rotating plates are overlapped, air flow cannot pass through the space between the rotating plates and can only pass through air flow holes of the disc, the air flow holes can be limited in aperture, the rising speed of the air flow can be limited, and the demisting effect of the air flow in the next step is ensured; along with the gradual decrease of the air flow, the annular sleeve moves upwards to the middle part of the fixed column relative to the fixed column, and the air flow channel between two adjacent rotating plates is enlarged along with the annular sleeve, namely the air flow can pass through the air flow holes and the air flow channel.
The position of the ring sleeve can be manually regulated and controlled according to the analysis of the related data of the pressure gauge and the flow gauge.
In some embodiments, the bottom of the tank body 1 is in an inverted cone structure, the bottom of the tank body 1 is provided with a tank body water outlet 13, the tank body water outlet 13 is sequentially connected with the primary sedimentation tank 6 and the secondary sedimentation tank 7, and the secondary sedimentation tank 7 is communicated with a tank body water inlet 14.
Wherein, an inclined baffle plate 61 is arranged in the first-stage sedimentation tank 6, and the baffle plate is formed by connecting a plurality of inclined planes 611 and planes 612. The top of the primary sedimentation tank 6 is provided with a plurality of obliquely arranged sedimentation tank water inlet pipes 62, and the water blowing openings of the sedimentation tank water inlet pipes are arranged towards the inclined surfaces of the baffle plates 61.
When the water flow of the water inlet pipe of the sedimentation tank collides with the inclined plane of the baffle plate, the water drops can rebound quickly from the inclined plane of the baffle plate due to the inertia effect of the water drops and the silt, and the silt can slide down to the plane part of the baffle plate along the inclined plane, so that the cement separation can be realized quickly, and the plane part of the baffle plate can become a silt collecting platform slowly.
The water in the first-stage sedimentation tank flows into the second-stage sedimentation tank 7 for standing sedimentation, and then returns to the tank body for recycling.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (5)
1. The dust removing device is characterized by comprising a tank body, wherein a gas inlet is formed in the lower part of the tank body, a gas outlet is formed in the top of the tank body, the gas inlet is connected with a steel coil pipe, through holes are uniformly distributed in the coil pipe, the coil pipe is positioned below the liquid level in the tank body, the bottom of the tank body is of an inverted cone-shaped structure, a tank water outlet is formed in the bottom of the tank body, the tank water outlet is sequentially connected with a primary sedimentation tank and a secondary sedimentation tank, the secondary sedimentation tank is communicated with a tank water inlet, and the outlet of the steel coil pipe is positioned above the tank water outlet;
the dust removing device comprises a tank body and an air flow regulating mechanism positioned in the tank body, wherein the air flow regulating mechanism comprises a disc, a plurality of air flow holes uniformly distributed on the disc, an air flow regulating driving component and an air flow regulating driven component which are positioned on the disc, the air flow regulating driving component is positioned above the middle part of the disc, and a plurality of through grooves for accommodating the air flow regulating driven component are formed in the disc;
the airflow regulation driven part comprises a pulling frame and a plurality of rotating plates, the pulling frame is positioned in a longitudinal space defined by the through groove, the rotating plates are arranged in a straight line in the through groove, the middle parts of the rotating plates are rotationally connected with the inner side wall of the through groove through a fixed shaft, and the upper parts of the rotating plates are rotationally connected with the inner side wall of the pulling frame through the fixed shaft;
the airflow regulation driving component comprises a fixed column, a ring sleeve and driving arms, wherein the bottom surface of the fixed column is fixedly connected with the middle part of the disc, the ring sleeve is sleeved on the periphery of the fixed column and can move up and down relative to the fixed column, a plurality of fixed shafts are uniformly distributed on the periphery of the ring sleeve in a circumferential direction, one end of each driving arm is rotationally connected with the fixed shaft, the other end of each driving arm is rotationally connected with the end part of a pulling frame of one airflow regulation driven component, and each driving arm corresponds to one airflow regulation driven component;
the upper part of the ring sleeve is provided with a fixed hanging ring which is driven by external force and drives the ring sleeve to move up and down relative to the fixed column;
the air flow regulating mechanism is positioned right above the coil pipe, the spraying mechanism is positioned right above the air flow regulating mechanism, and the nozzle opening of the spraying mechanism is downward.
2. The dust collector of claim 1 wherein the tank further comprises a spray mechanism and a mist eliminator positioned above the spray mechanism, the spray mechanism having a downwardly facing nozzle opening, the mist eliminator being a baffle mist eliminator.
3. A dust collector according to claim 1, wherein an inclined baffle plate is arranged in the primary sedimentation tank, and the baffle plate is formed by connecting a plurality of inclined planes and planes.
4. A dust collector according to claim 3, wherein a plurality of inclined sedimentation tank water inlet pipes are arranged at the top of the primary sedimentation tank, and the sedimentation tank water inlet pipes are arranged towards the inclined planes of the baffle plates.
5. A dust collector according to claim 1, wherein the coil has a number of convolutions of 3-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009287.4A CN107754502B (en) | 2017-10-25 | 2017-10-25 | Dust removing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009287.4A CN107754502B (en) | 2017-10-25 | 2017-10-25 | Dust removing device |
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| Publication Number | Publication Date |
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| CN107754502A CN107754502A (en) | 2018-03-06 |
| CN107754502B true CN107754502B (en) | 2023-06-06 |
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| CN201711009287.4A Active CN107754502B (en) | 2017-10-25 | 2017-10-25 | Dust removing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117870055A (en) * | 2018-05-22 | 2024-04-12 | 徐友明 | Novel air purification method |
| CN110898591B (en) * | 2019-12-04 | 2022-03-15 | 常州天衍环境科技有限公司 | Acid gas purification treatment equipment and treatment process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2437407Y (en) * | 2000-05-14 | 2001-07-04 | 张延民 | Air equalizing device of electrostatic dust collector |
| JP2003083575A (en) * | 2001-09-06 | 2003-03-19 | Nishimatsu Constr Co Ltd | Ventilation system |
| KR20060079282A (en) * | 2004-12-30 | 2006-07-06 | 동부일렉트로닉스 주식회사 | Exhaust screw pipe of scrubber |
| CN205055710U (en) * | 2015-08-04 | 2016-03-02 | 周海旭 | Smoke purification device |
| CN205925278U (en) * | 2016-08-23 | 2017-02-08 | 中国长江电力股份有限公司 | High -efficient air dust remover |
| CN207605504U (en) * | 2017-10-25 | 2018-07-13 | 天津天清环保科技股份有限公司 | A kind of Novel dust collection device |
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