CN212309095U - Saturated flue gas whirl defogging tower - Google Patents
Saturated flue gas whirl defogging tower Download PDFInfo
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- CN212309095U CN212309095U CN202020912150.0U CN202020912150U CN212309095U CN 212309095 U CN212309095 U CN 212309095U CN 202020912150 U CN202020912150 U CN 202020912150U CN 212309095 U CN212309095 U CN 212309095U
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Abstract
The utility model relates to a saturated flue gas cyclone demisting tower, which comprises a flue gas inlet pipe arranged at the top, wherein an inlet channel is arranged on the flue gas inlet pipe along the axial direction; the bottom of the flue gas inlet pipe is communicated with a demisting device, the demisting device is used for providing a flue gas swirling flow channel which enables saturated flue gas to generate downward swirling flow, and the overflowing section of the flue gas swirling flow channel is gradually reduced from top to bottom; the bottom of the demisting device is communicated with a vertically arranged cylinder body with a sealed bottom end, the lower part of an inner cavity of the cylinder body is provided with a flue gas outlet pipe structure, and the flue gas outlet pipe structure is used for discharging demisted flue gas out of the cylinder body from bottom to top; the side wall of the cylinder body is provided with an overflow outlet, and the inner cavity of the cylinder body is provided with a dust collecting and pollution discharging structure below the overflow outlet. This defogging tower adopts the flue gas to go up the mode that inclines out down, utilizes the defogging device to accelerate and provide powerful centrifugal force to the flue gas, separates and collects the dust-laden droplet from the flue gas, effectively gets rid of the droplet in the flue gas.
Description
Technical Field
The utility model relates to a converter flue gas dust removal technical field especially relates to a saturated flue gas whirl defogging tower.
Background
In order to meet the increasingly strict emission standard, the dust content in the primary emission flue gas of the converter is required to be not more than 10mg/Nm3And the dust content in the flue gas of the traditional converter primary dust removal system after fine dust removal is 20mg/Nm3And on the left and right sides, the flue gas reaches a saturated state after being cooled by water, and residual particulate matters in the flue gas mainly comprise fine dust, so that fog drops containing dust are removed through a demisting tower, and the purpose of ultra-clean emission is achieved.
The first prior art is as follows: a composite inertial spiral-flow type demister (application publication No. CN110448961A) comprises a cylinder, a central air inlet pipe, an air outlet pipe, a demisting structure and the like. The implementation process is as follows: fog passes through central intake pipe and gets into in the barrel, and fog and barrel bottom striking produce to roll over to, and fog changes and carries out the defogging through defogging structure behind the direction, and the gas after the defogging passes through outlet duct discharge barrel. This technique has the following problems:
the flue gas of the device is changed in direction by 180 degrees after entering the cylinder and colliding with the bottom of the cylinder, and the flue gas entering the demisting structure cannot be uniformly distributed due to no flow guide measure, so that the demisting effect is reduced; in addition, the direction that the flue gas got into defogging structure is for upwards, and the droplet that is got rid of also upwards moves, is unfavorable for it to sink to the barrel bottom under the action of gravity, is carried out the barrel by gaseous smuggleing easily moreover, and is unfavorable to the defogging effect.
The second prior art is: a cyclone demister (with the authorized bulletin number of CN207169250U) comprises a chimney, an outer cylinder, a conical cylinder, a cyclone guide plate, a filter cylinder, a liquid drop collecting cavity, a support and the like. The implementation process is as follows: the smoke enters the chimney and then passes through the rotational flow guide plate to generate rotational flow, part of fog drops are removed, the smoke continuously rises and enters the filter cylinder through the air holes, part of fog drops are removed, and the fog drops are collected in the liquid drop collecting cavity and then are discharged from the water outlet. This technique has the following problems:
the centrifugal force that the flue gas produced behind the whirl is not enough, can't effectively get rid of the droplet, need set up and strain a section of thick bamboo and carry out desorption again to remaining droplet in the flue gas, has not only increased the complexity of equipment, has increased the resistance of defroster moreover, and the partial droplet moving direction that gets off through the whirl desorption simultaneously is for upwards, is unfavorable for it to subside under the action of gravity.
Therefore, the inventor provides a saturated flue gas cyclone demisting tower by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a saturated flue gas whirl defogging tower overcomes the unsatisfactory problem of flue gas defogging effect that exists among the prior art, and this saturated flue gas whirl defogging tower adopts the mode of going out of inclining down on the flue gas to utilize the defogging device to accelerate the flue gas and provide the powerful centrifugal force that changes the flue gas flow direction and produce, separates and collects the dust-laden fog droplet from the flue gas, effectively the fog droplet in the desorption flue gas.
The utility model aims at realizing the saturated flue gas cyclone demisting tower, which comprises a flue gas inlet pipe arranged at the top, wherein an inlet channel is arranged on the flue gas inlet pipe in an axial direction in a through manner; the bottom of the flue gas inlet pipe is communicated with a demisting device, the demisting device is used for providing a flue gas swirling flow channel which enables saturated flue gas to generate downward swirling flow, and the overflowing section of the flue gas swirling flow channel is gradually reduced from top to bottom; the bottom of the demisting device is communicated with a cylinder body with a sealed bottom end, the lower part of an inner cavity of the cylinder body is provided with a flue gas outlet pipe structure, and the flue gas outlet pipe structure is used for discharging demisted flue gas out of the cylinder body from bottom to top; an overflow water outlet is arranged on the side wall of the cylinder body and below the smoke outlet pipe structure, and a dust collecting and sewage discharging structure is arranged in the inner cavity of the cylinder body and below the overflow water outlet.
In a preferred embodiment of the present invention, the demister comprises a reducer pipe with a diameter gradually increasing from top to bottom, a tapered end socket with a diameter gradually increasing from top to bottom is arranged in the reducer pipe, and a first flue gas flow passage is formed between the outer wall of the tapered end socket and the inner wall of the reducer pipe at an interval; a rotational flow structure is arranged below the conical seal head and comprises an inner pipe and an outer pipe which are coaxially arranged, the top of the inner pipe is connected with the bottom end of the conical seal head, a plurality of rotational flow blades which uniformly rotate in the same direction at intervals along the circumferential direction are arranged on the outer wall of the inner pipe, the top end and the bottom end of the outer pipe are respectively connected with the reducer pipe and the barrel body, and the outer pipe and the inner pipe are fixedly connected through at least two connecting plates at intervals along the circumferential direction; and a second flue gas flow channel is formed among the inner pipe, the swirl vanes and the outer pipe, and the first flue gas flow channel is communicated with the second flue gas flow channel to form the flue gas swirl channel.
The utility model discloses an among the preferred embodiment, flue gas outlet pipe structure includes the flue gas diversion pipe, the flue gas diversion pipe is vertical setting and its bottom opening constitutes defogging back flue gas entry, the top intercommunication of flue gas diversion pipe sets up the flue gas discharge pipe, the flue gas discharge pipe is the level setting and its sealed passing the lateral wall of barrel, the export of flue gas discharge pipe constitutes defogging back exhanst gas outlet.
In a preferred embodiment of the present invention, the bottom of the flue gas turning pipe is provided with a trumpet pipe with a diameter gradually reduced from bottom to top.
The utility model discloses an in a preferred embodiment, collection dirt blowdown structure includes the lower awl fill of diameter top-down convergent, the awl fill is located down the below of overflow outlet, the lateral wall top of awl fill down with the inner wall of barrel supports to lean on the connection, the first end of bottom intercommunication a blow off pipe of awl fill down, the blow off pipe is sealed to be passed the lateral wall of barrel and its second end are located the outside of barrel.
The utility model discloses an in a preferred embodiment, be located on the lateral wall of barrel the exhanst gas outlet tubular construction with sealed water supplementing pipe that wears to be equipped with between the overflow outlet, the water supplementing pipe be used for to make up water in the barrel.
The utility model discloses an in a preferred embodiment, be located on the lateral wall of barrel the exhanst gas outlet pipe structure with set up the second manhole between the overflow outlet, second manhole department can set up the second manhole cover with dismantling.
In a preferred embodiment of the present invention, the bottom end of the cylinder is sealed by a base.
The utility model discloses an in a preferred embodiment, radially link up on the lateral wall of flue gas inlet tube and set up first manhole, first manhole department can set up first manhole cover with dismantling.
In a preferred embodiment of the present invention, the flue gas inlet pipe is formed of a circular pipe.
From top to bottom, the utility model provides a pair of saturated flue gas whirl defogging tower has following beneficial effect:
in the saturated flue gas cyclone demisting tower, the front-end dust removal process is effectively combined, the flue gas inlet pipe is arranged above the flue gas outlet pipe, the flue gas outlet pipe is arranged below the flue gas inlet pipe, and the converter primary saturated flue gas adopts a mode of upper inlet and lower outlet, so that the removed fog drops are favorably sunk to the dust and sewage collecting structure at the bottom under the action of gravity, and the removal effect is ensured; the utility model discloses liquid drop is to dust cladding effect in the make full use of saturated flue gas, the defogging device provides convergent flue gas whirl passageway, this passageway accelerates the flue gas and provides the powerful centrifugal force that changes the flue gas flow direction and produce, make the droplet that contains fine dust separate with the flue gas, flue gas air current is even behind the efficient defogging device, can remove the droplet that contains more than 85% in the flue gas, and can effectively reduce the dust content in the flue gas, the dust collection efficiency reaches more than 50%, reach the purpose of flue gas ultra-clean dust removal, make converter primary flue gas more economic environmental protection; the fog drops separated by the demisting device are thrown onto the inner wall of the cylinder body, the fog drops finally lose kinetic energy and fall into a dust collecting and discharging structure under the dual functions of gravity and air flow, demisted flue gas is discharged from bottom to top through a flue gas outlet pipe structure, entrained fog drops are effectively reduced, the dust content of the discharged flue gas is reduced, the fog drop content of the flue gas is greatly reduced, and therefore corrosion to subsequent facilities is reduced, and the service life of equipment is longer; the utility model discloses simple structure, reliable, area are little, are the primary saturation flue gas particulate matter of converter and realize the key equipment of ultralow emission.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: do the utility model discloses a structural schematic diagram of saturated flue gas whirl defogging tower.
FIG. 2: does the utility model discloses a saturated flue gas whirl defogging tower's exterior view.
FIG. 3: do the utility model discloses a toper head and whirl structure's isometric view.
FIG. 4: do the utility model discloses a toper head and whirl structure's cross-sectional view.
FIG. 5: do the utility model discloses an inner tube and whirl blade's of whirl structure schematic diagram.
FIG. 6: do the utility model discloses a schematic diagram of exhanst gas outlet pipe structure.
In the figure:
100. a saturated flue gas cyclone demisting tower;
1. a flue gas inlet pipe; 10. an inlet channel; 11. a first manhole; 12. a first manhole cover;
2. a defogging device; 201. a first flue gas channel; 202. a second flue gas channel; 21. a reducer pipe; 22. a conical end enclosure; 23. a rotational flow structure; 231. an inner tube; 232. an outer tube; 233. a swirl vane;
3. a barrel; 31. an overflow drain port; 32. a water replenishing pipe; 33. a second manhole; 34. a second manhole cover;
4. a flue gas outlet pipe structure; 41. a flue gas diversion pipe; 42. a flue gas discharge pipe; 43. a flare tube;
5. a dust collecting and discharging structure; 51. a lower cone hopper; 52. a blow-off pipe;
6. a base.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
The specific embodiments of the present invention described herein are for the purpose of explanation only and should not be construed as limiting the invention in any way. Given the teachings of the present invention, the skilled person can conceive of any possible variants based on the invention, which should all be considered as belonging to the scope of the invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 6, the utility model provides a saturated flue gas cyclone demisting tower 100, which comprises a flue gas inlet pipe 1 arranged at the top, wherein an inlet channel 10 is axially arranged on the flue gas inlet pipe 1 in a through manner; the bottom of the flue gas inlet pipe 1 is communicated with a demisting device 2, the demisting device 2 is used for providing a flue gas swirling flow channel which enables saturated flue gas to generate downward swirling flow, and the overflowing section of the flue gas swirling flow channel is gradually reduced from top to bottom (from the flue gas inlet pipe 1 to the base 6 in the figures 1 and 2); the bottom of the demisting device 2 is communicated with a cylinder 3 with a sealed bottom end, the lower part of the inner cavity of the cylinder 3 is provided with a flue gas outlet pipe structure 4, and the flue gas outlet pipe structure 4 is used for discharging demisted flue gas out of the cylinder 3 from bottom to top; an overflow drain opening 31 is arranged on the side wall of the cylinder 3 and below the smoke outlet pipe structure 4, and a dust collecting and pollution discharging structure 5 is arranged in the inner cavity of the cylinder 3 and below the overflow drain opening 31.
The utility model discloses a saturated flue gas whirl defogging tower 100 is vertical structure, and the top of equipment is located to flue gas inlet tube 1, and the lower part side direction of equipment is located to flue gas outlet tube structure 4, and saturated flue gas (converter saturated flue gas once) has adopted the mode of going up the downside and going out, and defogging device 2 of flue gas inlet tube 1 below provides convergent flue gas whirl passageway, and this passageway accelerates the flue gas and changes the powerful centrifugal force that the flue gas flow direction produced, makes the droplet and the flue gas separation that contain fine dust. On the droplet of being separated by defogging device 2 was got rid of barrel 3 inner wall, the droplet finally lost kinetic energy, under the dual function of gravity and air current, along 3 inner walls of barrel subsides dust collection blowdown structures 5 in, the flue gas after the defogging is discharged from bottom to top through flue gas outlet pipe structure 4, effectively reduces the droplet of smuggleing secretly.
The utility model provides an in the saturated flue gas whirl defogging tower, effectively combine the front end dust removal technology, the flue gas inlet pipe is last, flue gas outlet pipe structure is under, converter primary saturation flue gas adopts the mode of going up the side of inclining out, the dust collection blowdown structure that the droplet that is favorable to removing sinks to the bottom under the action of gravity guarantees the desorption effect; the utility model discloses liquid drop is to the dust cladding effect in the make full use of saturated flue gas, the defogging device provides convergent flue gas whirl passageway, this passageway accelerates the flue gas and changes the powerful centrifugal force that the flue gas flow direction produced, make the droplet that contains fine dust separate with the flue gas, flue gas air current is even behind the efficient defogging device, can remove the droplet that contains more than 85% in the flue gas, and can effectively reduce the dust content in the flue gas, the dust collection efficiency reaches more than 50%, reach the purpose of flue gas ultra-clean dust removal, make converter primary flue gas more economic environmental protection; the fog drops separated by the demisting device are thrown onto the inner wall of the cylinder body, the fog drops finally lose kinetic energy and fall into a dust collecting and discharging structure under the dual functions of gravity and air flow, demisted flue gas is discharged from bottom to top through a flue gas outlet pipe structure, entrained fog drops are effectively reduced, the dust content of the discharged flue gas is reduced, the fog drop content of the flue gas is greatly reduced, and therefore corrosion to subsequent facilities is reduced, and the service life of equipment is longer; the utility model discloses simple structure, reliable, area are little, are the primary saturation flue gas particulate matter of converter and realize the key equipment of ultralow emission.
Further, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the demister 2 includes a reducer 21 having a diameter gradually increasing from top to bottom (from the flue gas inlet pipe 1 to the cylinder 3 from top to bottom in fig. 1), a tapered end enclosure 22 having a diameter gradually increasing from top to bottom (from the flue gas inlet pipe 1 to the cylinder 3 from top to bottom in fig. 1) is disposed in the reducer 21, and a first flue gas flow channel 201 is formed between an outer wall of the tapered end enclosure 22 and an inner wall of the reducer 21 at an interval; a rotational flow structure 23 is arranged below the conical seal head 22, the rotational flow structure 23 comprises an inner pipe 231 and an outer pipe 232 which are coaxially arranged, the top of the inner pipe 231 is connected with the bottom end of the conical seal head 22, a plurality of rotational flow blades 233 which uniformly rotate in the same direction at intervals along the circumferential direction are arranged on the outer wall of the inner pipe 231, the top end and the bottom end of the outer pipe 232 are respectively connected with the reducer pipe 21 and the barrel 3, and the outer pipe 232 is fixedly connected with the inner pipe 231 through at least two connecting plates (not shown in the figure) which are circumferentially spaced (a fixed connection structure which does not affect the circulation of flue gas and realizes the fixed connection of the outer; and a second flue gas flow channel 202 is formed among the inner pipe 231, the swirl vanes 233 and the outer pipe 232, and the first flue gas flow channel 201 is communicated with the second flue gas flow channel 202 to form a flue gas swirl channel.
Further, as shown in fig. 1 and 6, the flue gas outlet pipe structure 4 includes a flue gas diversion pipe 41, the flue gas diversion pipe 41 is vertically arranged, and an opening at the bottom of the flue gas diversion pipe 41 forms a demisting flue gas inlet, a flue gas discharge pipe 42 is communicated with the top of the flue gas diversion pipe 41, the flue gas discharge pipe 42 is horizontally arranged and hermetically penetrates through the side wall of the cylinder 3, an outlet of the flue gas discharge pipe 42 forms a demisting flue gas outlet, and the flue gas outlet pipe structure 4 is in the form of an inverted 90-degree horn elbow. The flow direction of the flue gas is reversed by 180 degrees at the position, so that the entrained fog drops are effectively reduced.
In the present embodiment, the bottom of the flue gas turning pipe 41 is provided with a flared pipe 43 with a diameter gradually decreasing from bottom to top. The structure of the horn pipe 43 is beneficial to guiding the flue gas in the cylinder into the flue gas diversion pipe 41.
Further, as shown in fig. 1, the dust collecting and dirt discharging structure 5 includes a lower cone 51 with a diameter gradually decreasing from top to bottom ((from the cylinder 3 to the base 6 in fig. 1 from top to bottom)), the lower cone 51 is located below the overflow and drain opening 31, the top of the sidewall of the lower cone 51 is connected to the inner wall of the cylinder 3 in an abutting manner, the bottom of the lower cone 51 is communicated with the first end of a dirt discharging pipe 52, the dirt discharging pipe 52 penetrates through the sidewall of the cylinder 3 in a sealing manner, and the second end of the dirt discharging pipe is located outside the cylinder 3. The lower cone 51 is used for collecting dust in the precipitated water (obtained by settling the fog drops separated from the saturated flue gas), and periodically discharging sludge through a sewage discharge pipe 52.
Further, as shown in fig. 1, a water replenishing pipe 32 is hermetically inserted through the side wall of the cylinder 3 between the flue gas outlet pipe structure 4 and the overflow drain opening 31, the water replenishing pipe 32 is used for replenishing water into the cylinder 3, so as to ensure that the height of the water in the cylinder meets the water seal requirement, the overflow drain opening 31 is a normal drain opening, and the water in the cylinder is continuously drained from the overflow drain opening 31.
Further, as shown in fig. 2, a second manhole 33 is provided on the side wall of the barrel 3 between the flue gas outlet pipe structure 4 and the overflow drain 31, and a second manhole cover 34 is detachably provided at the second manhole 33. The second manhole 33 facilitates the entry of a person into the cylinder for periodic inspection of the interior of the apparatus.
Further, as shown in fig. 1 and 2, a base 6 is hermetically arranged at the bottom end of the cylinder 3 for stably supporting the whole demisting tower.
Further, as shown in fig. 2, a first manhole 11 is radially disposed through the sidewall of the flue gas inlet pipe 1, and a first manhole cover 12 is detachably disposed at the first manhole 11. The first manhole 11 is convenient for personnel to check the conditions of the conical head 22 and the cyclone structure 23 inside the demisting tower. In this embodiment, the flue gas inlet pipe 1 is made of a circular pipe, so as to ensure uniform distribution of the gas flow in the pipe.
When the saturated flue gas cyclone demisting tower 100 of the utility model is used for demisting, saturated flue gas (converter primary flue gas) which is subjected to front-end fine dust removal (front-end process before entering the demisting tower, prior art) enters the demisting tower from the inlet channel 10 of the flue gas inlet pipe 1;
the flue gas is accelerated under the combined action of the reducer pipe 21 and the conical seal head 22 (the flue gas is gradually accelerated by the first flue gas channel 201 with the gradually contracted cross section), the speed reaches the maximum at the cyclone structure 23, and the fog drops containing fine dust are separated from the flue gas;
the fog drops separated by the demisting device 2 are thrown onto the inner wall of the cylinder 3, and the fog drops finally lose kinetic energy and are settled into a lower cone 51 of the dust collection and discharge structure 5 along the inner wall of the cylinder 3 under the dual functions of gravity and air flow;
the demisted flue gas flows downwards to the flue gas outlet pipe structure 4 after passing through the demisting device 2, the demisted flue gas flows in a turning way from bottom to top (from the horn pipe 43 to the flue gas discharge pipe 42 from bottom to top in fig. 1) through the horn pipe 43 and the flue gas turning pipe 41, and the finally treated flue gas (ultra-clean flue gas) is discharged out of the cylinder 3 (namely, the saturated flue gas cyclone demisting tower 100 is discharged) through the flue gas discharge pipe 42.
From top to bottom, the utility model provides a pair of saturated flue gas whirl defogging tower has following beneficial effect:
in the saturated flue gas cyclone demisting tower, the front-end dust removal process is effectively combined, the flue gas inlet pipe is arranged above the flue gas outlet pipe, the flue gas outlet pipe is arranged below the flue gas inlet pipe, and the converter primary saturated flue gas adopts a mode of upper inlet and lower outlet, so that the removed fog drops are favorably sunk to the dust and sewage collecting structure at the bottom under the action of gravity, and the removal effect is ensured; the utility model discloses liquid drop is to the dust cladding effect in the make full use of saturated flue gas, the defogging device provides convergent flue gas whirl passageway, this passageway accelerates the flue gas and changes the powerful centrifugal force that the flue gas flow direction produced, make the droplet that contains fine dust separate with the flue gas, flue gas air current is even behind the efficient defogging device, can remove the droplet that contains more than 85% in the flue gas, and can effectively reduce the dust content in the flue gas, the dust collection efficiency reaches more than 50%, reach the purpose of flue gas ultra-clean dust removal, make converter primary flue gas more economic environmental protection; the fog drops separated by the demisting device are thrown onto the inner wall of the cylinder body, the fog drops finally lose kinetic energy and fall into a dust collecting and discharging structure under the dual functions of gravity and air flow, demisted flue gas is discharged from bottom to top through a flue gas outlet pipe structure, entrained fog drops are effectively reduced, the dust content of the discharged flue gas is reduced, the fog drop content of the flue gas is greatly reduced, and therefore corrosion to subsequent facilities is reduced, and the service life of equipment is longer; the utility model discloses simple structure, reliable, area are little, are the primary saturation flue gas particulate matter of converter and realize the key equipment of ultralow emission.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A saturated flue gas cyclone demisting tower is characterized by comprising a flue gas inlet pipe arranged at the top, wherein an inlet channel is axially arranged on the flue gas inlet pipe in a through manner; the bottom of the flue gas inlet pipe is communicated with a demisting device, the demisting device is used for providing a flue gas swirling flow channel which enables saturated flue gas to generate downward swirling flow, and the overflowing section of the flue gas swirling flow channel is gradually reduced from top to bottom; the bottom of the demisting device is communicated with a cylinder body with a sealed bottom end, the lower part of an inner cavity of the cylinder body is provided with a flue gas outlet pipe structure, and the flue gas outlet pipe structure is used for discharging demisted flue gas out of the cylinder body from bottom to top; an overflow water outlet is arranged on the side wall of the cylinder body and below the smoke outlet pipe structure, and a dust collecting and sewage discharging structure is arranged in the inner cavity of the cylinder body and below the overflow water outlet.
2. The saturated flue gas cyclone demisting tower as claimed in claim 1, wherein the demisting device comprises a reducer pipe with a diameter gradually expanding from top to bottom, a conical end enclosure with a diameter gradually expanding from top to bottom is arranged in the reducer pipe, and a first flue gas flow channel is formed by arranging the outer wall of the conical end enclosure and the inner wall of the reducer pipe at intervals; a rotational flow structure is arranged below the conical seal head and comprises an inner pipe and an outer pipe which are coaxially arranged, the top of the inner pipe is connected with the bottom end of the conical seal head, a plurality of rotational flow blades which uniformly rotate in the same direction at intervals along the circumferential direction are arranged on the outer wall of the inner pipe, the top end and the bottom end of the outer pipe are respectively connected with the reducer pipe and the barrel body, and the outer pipe and the inner pipe are fixedly connected through at least two connecting plates at intervals along the circumferential direction; and a second flue gas flow channel is formed among the inner pipe, the swirl vanes and the outer pipe, and the first flue gas flow channel is communicated with the second flue gas flow channel to form the flue gas swirl channel.
3. The saturated flue gas cyclone demisting tower according to claim 1 or 2, wherein the flue gas outlet pipe structure comprises a flue gas diversion pipe which is vertically arranged, an opening at the bottom of the flue gas diversion pipe forms a demisted flue gas inlet, a flue gas discharge pipe is communicated with the top of the flue gas diversion pipe, the flue gas discharge pipe is horizontally arranged and hermetically penetrates through the side wall of the cylinder, and an outlet of the flue gas discharge pipe forms a demisted flue gas outlet.
4. The saturated flue gas cyclone demisting tower of claim 3, wherein the bottom of the flue gas turning pipe is provided with a flared pipe with a diameter gradually reduced from bottom to top.
5. The saturated flue gas cyclone demisting tower as claimed in claim 1 or 2, wherein the dust collecting and pollution discharging structure comprises a lower cone hopper with a diameter gradually reduced from top to bottom, the lower cone hopper is positioned below the overflow drain outlet, the top of the side wall of the lower cone hopper is connected with the inner wall of the cylinder body in an abutting mode, the bottom of the lower cone hopper is communicated with the first end of a pollution discharge pipe, the pollution discharge pipe penetrates through the side wall of the cylinder body in a sealing mode, and the second end of the pollution discharge pipe is positioned outside the cylinder body.
6. The saturated flue gas cyclone demisting tower of claim 5, wherein a water replenishing pipe is hermetically arranged on the side wall of the cylinder body between the flue gas outlet pipe structure and the overflow drain opening, and the water replenishing pipe is used for replenishing water into the cylinder body.
7. The saturated flue gas cyclone demisting tower according to claim 5, wherein a second manhole is detachably arranged on the side wall of the cylinder body between the flue gas outlet pipe structure and the overflow drain.
8. The saturated flue gas cyclone demisting tower of claim 5, wherein a base is hermetically disposed at the bottom end of the cylinder.
9. The saturated flue gas cyclone demisting tower as claimed in claim 1 or 2, wherein a first manhole cover is arranged on the side wall of the flue gas inlet pipe in a radially penetrating manner, and the first manhole cover is detachably arranged at the first manhole.
10. The saturated flue gas cyclone demisting tower of claim 9, wherein the flue gas inlet pipe is formed of a round pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020912150.0U CN212309095U (en) | 2020-05-26 | 2020-05-26 | Saturated flue gas whirl defogging tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020912150.0U CN212309095U (en) | 2020-05-26 | 2020-05-26 | Saturated flue gas whirl defogging tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717640A (en) * | 2023-05-29 | 2023-09-08 | 上海协微环境科技有限公司 | Waterproof vapour is palirrheated flange subassembly and tail gas processing system |
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2020
- 2020-05-26 CN CN202020912150.0U patent/CN212309095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717640A (en) * | 2023-05-29 | 2023-09-08 | 上海协微环境科技有限公司 | Waterproof vapour is palirrheated flange subassembly and tail gas processing system |
| CN116717640B (en) * | 2023-05-29 | 2023-12-08 | 上海协微环境科技有限公司 | Waterproof vapour is palirrheated flange subassembly and tail gas processing system |
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