CN210206433U - Pneumatic spiral desulfurizing tower - Google Patents
Pneumatic spiral desulfurizing tower Download PDFInfo
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- CN210206433U CN210206433U CN201920681597.9U CN201920681597U CN210206433U CN 210206433 U CN210206433 U CN 210206433U CN 201920681597 U CN201920681597 U CN 201920681597U CN 210206433 U CN210206433 U CN 210206433U
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Abstract
The utility model provides a pneumatic spiral desulfurizing tower, including body of the tower and circulation loop system, the body of the tower is equipped with the air inlet, the gas outlet, circulation loop system is used for carrying the mixed thick liquid of solid-liquid in the body of the tower to body of the tower upper portion from the body of the tower lower part, circulation loop system is including locating the inlet on body of the tower upper portion, locating the liquid outlet of desulfurizing tower bottom lateral wall and locating the circulating pump on the connecting tube between inlet and liquid outlet, the bottom of body of the tower is equipped with agitating unit, the air inlet is located the top of gas outlet, the air inlet sets up the top at the body of the. The utility model discloses a pneumatic spiral desulfurizing tower, air inlet set up in the top of gas outlet relatively, and the inlet sets up the top at the liquid outlet relatively for the flow direction of the mixed thick liquid of solid-liquid in the body of the tower is the same with the flow direction of flue gas in the body of the tower, is by last down flow, and the mixed thick liquid of solid-liquid flows downwards and drives the flue gas downstream, reduces the flow resistance of flue gas in the body of the tower.
Description
Technical Field
The utility model relates to a sweetener technical field, concretely relates to pneumatic spiral desulfurizing tower.
Background
The desulfurization tower is tower equipment for performing desulfurization treatment on industrial waste gas. The desulfurizing tower was originally built with granite as the most widely used, which utilized the principles of water film desulfurization and dust removal, also known as a granite water film desulfurization dust remover, or a granite water film desulfurization dust remover.
The desulfurizing tower in the prior art is generally provided with an air inlet, an air outlet, a spraying device and an liquid outlet. The utility model with the patent number '201720293506.5' discloses a desulfurizing tower, which comprises a tower body provided with an air inlet, an air outlet, a slurry inlet and a liquid outlet, wherein the tower body is also provided with a circulating spraying loop, and the circulating spraying loop comprises a spraying device arranged in the desulfurizing tower, a liquid outlet arranged on the side wall of the bottom of the desulfurizing tower and a circulating pump arranged on a connecting pipeline between the spraying device and the liquid outlet; the bottom of the tower body is provided with at least one stirring device.
However, in the desulfurization towers of the prior art and the above patent technologies, the air inlet is disposed below the air outlet, the tail gas passes through the desulfurization tower from bottom to top, the spraying device is disposed at the upper portion of the desulfurization tower, and the tail gas flowing through the desulfurization tower is sprayed from top to bottom, the flow direction of the tail gas is opposite to the flow direction of the slurry, and the desulfurization tower of the above structure has a disadvantage that the flow resistance of the tail gas is large. Therefore, it is a realistic meaning for those skilled in the art how to provide a new structure of the pneumatic spiral desulfurization tower, which can reduce the flow resistance of the tail gas in the desulfurization tower.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model aims to provide a pneumatic spiral desulfurizing tower to reduce the flow resistance of flue gas in the desulfurizing tower.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a pneumatic spiral desulfurizing tower, includes body of the tower and circulation loop system, the body of the tower is equipped with air inlet, gas outlet, circulation loop system is used for carrying the mixed thick liquid of solid-liquid in the body of the tower to body of the tower upper portion from the body of the tower lower part, circulation loop system is including locating the inlet on body of the tower upper portion, locating the liquid outlet of desulfurizing tower bottom lateral wall and locating the circulating pump on the connecting tube between inlet and liquid outlet, the bottom of the body of the tower is equipped with at least one agitating unit, the air inlet is located the top of gas outlet, the air inlet sets up the top of body of the tower.
As an improvement of the scheme in one aspect, the tower body comprises a large tower top head, a small tower top head, at least one middle tower reactor, a gas homogenizing chamber and a tower bottom which are sequentially arranged from top to bottom.
As an improvement of the scheme on one hand, the large and small head of the tower top is in an inverted conical shape, the air inlet is formed in the top of the large and small head of the tower top, the liquid inlet is formed in the middle of the side wall of the large and small head of the tower top, and the liquid inlet is located below the air inlet.
As an improvement of one aspect of the above scheme, a flow guiding retention assembly is arranged in each reactor in the middle of the tower, the flow guiding retention assembly comprises an upper spiral distributor and a lower jet orifice positioned below the upper spiral distributor, a dispersing spiral blade group distributed in an annular array is arranged on the upper spiral distributor, a converging spiral blade group which is arranged around the lower jet orifice and distributed in an annular array is arranged at the edge of the lower jet orifice, the dispersing spiral blade group and the converging spiral blade group respectively comprise a plurality of spiral blades, the dispersing spiral blade group is used for guiding the solid-liquid mixed slurry from the center to the periphery, and the converging spiral blade group is used for guiding the solid-liquid mixed slurry from the periphery to the lower jet orifice in the center.
As an improvement of the scheme in one aspect, the air outlet is arranged in the middle of the side wall of the air equalizing chamber.
As a refinement of the abovementioned variant in one aspect, the number of reactors in the middle of the column is 1 or 2 or 3 or 4 or 5.
As an improvement of the scheme on one hand, the large and small heads of the top of the tower, the reactor in the middle of the tower, the gas equalizing chamber and the bottom of the tower which are adjacent are connected by flanges.
As an improvement of the above scheme on one hand, the stirring device comprises a stirrer and a driving motor used for driving the stirrer to rotate, the stirrer comprises a stirring shaft and stirring blades, the stirring blades are positioned in the tower body and connected with the driving motor through the stirring shaft, and the driving motor is fixedly arranged outside the tower body.
The utility model discloses following beneficial effect has:
the utility model discloses a pneumatic spiral desulfurizing tower, the air inlet sets up the top at the gas outlet relatively, and the inlet sets up the top at the liquid outlet relatively for the flow direction of the mixed thick liquid of solid-liquid in the body of the tower is the same with the flow direction of flue gas in the body of the tower, is by last down flow, and the mixed thick liquid of solid-liquid flows downwards and drives the flue gas downward flow, thereby reduces the flow resistance of flue gas in the body of the tower, calculates its relative gas-liquid countercurrent resistance according to hydrodynamics and will little about 30%.
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 described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a specific embodiment of the pneumatic spiral desulfurization tower of the present invention.
FIG. 2 is a schematic diagram of the structure of a reactor in the middle of a column according to the present invention.
FIG. 3 is a cross-sectional view of the spiral distributor portion of the mid-column reactor of the present invention taken along the direction a-a.
FIG. 4 is a cross-sectional view of the lower jet port portion of the mid-column reactor of the present invention taken along the direction b-b.
In the drawings, the components represented by the respective reference numerals are listed below:
1-tower body 2-air inlet 3-air outlet
4-liquid inlet 5-connecting pipeline 6-circulating pump
7-stirring device 8-tower top big and small head 9-tower middle reactor
10-gas homogenizing chamber 11-tower bottom 12-upper spiral distributor
13-lower jet orifice
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.
In the description of the present invention, it should be noted that, as the terms "pillow face", "vertical", "length", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that unless otherwise explicitly specified and limited, the specific meaning of the above terms in the present invention can be specifically understood by those of ordinary skill in the art.
As shown in fig. 1 to 4, the utility model provides a pneumatic spiral desulfurizing tower, including body of the tower 1 and circulation loop system, body of the tower 1 is equipped with air inlet 2, gas outlet 3, circulation loop system is used for carrying the mixed thick liquid of solid-liquid in the body of the tower 1 to body of the tower 1 upper portion from body of the tower 1 lower part, circulation loop system is including locating inlet 4 on body of the tower 1 upper portion, locating the liquid outlet of 11 lateral walls in the bottom of the desulfurizing tower and locating circulating pump 6 on inlet 4 and the connecting tube 5 between the liquid outlet, the bottom of body of the tower 1 is equipped with at least one agitating unit 7, air inlet 2 is located gas outlet 3's top, air inlet 2 sets up body of the top of 1.
After the flue gas enters the tower body 1, the solid-liquid mixed slurry generated by the circulation loop system is subjected to desulfurization and dust removal treatment, the solid-liquid mixed slurry positioned at the bottom of the tower body 1 is stirred under the action of the stirring device 7, the solid-liquid mixed slurry is prevented from precipitating at the bottom of the tower body 1, the desulfurization effect of the solid-liquid mixed slurry circulating in the circulation loop system is kept, meanwhile, the solid-liquid mixed slurry is recycled through the circulation loop system, the utilization rate is improved, and the cost is reduced.
It should be noted that the liquid inlet 4 adopts a pipeline direct discharging mode, so that the solid-liquid mixed slurry flows into the tower body 1 without hindrance, the spraying device is not arranged at the liquid inlet 4, the occurrence of the scaling and blocking phenomena of the spraying tower can be effectively avoided, and the spraying throat is arranged at the liquid inlet 4 and is vertically and downwardly directly discharged.
The utility model discloses a pneumatic spiral desulfurizing tower, air inlet 2 sets up in the top of gas outlet 3 relatively, and inlet 4 sets up the top at the liquid outlet relatively for the flow direction of the mixed thick liquid of solid-liquid in body of the tower 1 is the same with the flow direction of flue gas in body of the tower 1, is from top to bottom flowing, and the mixed thick liquid of solid-liquid flows downwards and drives the flue gas downward flow, thereby reduces the flow resistance of flue gas in body of the tower 1, calculates its relative gas-liquid countercurrent resistance according to hydrodynamics and will reduce about 30%.
The tower body 1 includes top of the tower first 8 that sets gradually according to order from top to bottom, at least one tower middle part reactor 9, gas-homogenizing chamber 10 and tower bottom 11, so set up, is convenient for adopt modular structure, and simple to operate is swift, can adopt flange sealing connection between adjacent top of the tower first 8 that reduce, tower middle part reactor 9, gas-homogenizing chamber 10 and the tower bottom 11.
The big small head 8 in top of the tower is the cone shape of inversion, air inlet 2 sets up the top of big small head 8 in top of the tower, inlet 4 sets up the lateral wall middle part of big small head 8 in top of the tower, inlet 4 is located the below of air inlet 2. The gas and liquid flow in a downstream manner, the solid-liquid mixed slurry flows downwards to drive the flue gas to flow downwards so as to reduce the resistance of the waste gas in the tower body 1, and the resistance of the flue gas to the gas-liquid countercurrent flow is calculated to be about 30% smaller according to hydrodynamics.
The reactor is characterized in that a diversion retention assembly is arranged in each reactor 9 in the middle of the tower, the diversion retention assembly comprises an upper spiral distributor 12 and a lower jet orifice 13 positioned below the upper spiral distributor 12, a dispersing spiral blade group distributed in an annular array is arranged on the upper spiral distributor 12, a converging spiral blade group which is arranged around the lower jet orifice 13 and distributed in an annular array is arranged at the edge of the lower jet orifice 13, the dispersing spiral blade group and the converging spiral blade group respectively comprise a plurality of spiral blades, the dispersing spiral blade group is used for guiding solid-liquid mixed slurry to the periphery from the center, and the converging spiral blade group is used for guiding the solid-liquid mixed slurry to the lower jet orifice 13 at the center from the periphery. Wherein, go up spiral distributor 12 and can fix on the inner wall of tower middle part reactor 9 through the support, the quantity of tower middle part reactor 9 can be a plurality of, if can set up two, three, four, five sets of stack assembly, adopts the modularization mounting means according to actual conditions, also can dismantle fast and install during the maintenance.
In the above embodiment, the diversion and retention assembly comprises two modules of an upper spiral distributor 12 and a lower jet orifice 13 positioned below the upper spiral distributor 12, the surfaces of the upper spiral distributor 12 and the lower jet orifice 13 are provided with diversion blades with corresponding numbers and shapes according to the amount of the circulating slurry, it changes the flow direction of slurry in the desulfurizing tower, increases the reaction area and the reaction time, the reactor 9 in the middle of the tower determines the size of the diversion detention component according to the waste gas amount, the number of layers is specified according to the gas concentration, the treatment concentration of a single diversion and detention component is about 1000-3000mg/m3, each tower body 1 can be designed with 5 layers of diversion and detention components or a reactor 9 in the middle of the tower at most, through the diversion function of the diversion and detention components, the gas-liquid-solid three phases formed by the solid-liquid mixed slurry and the waste gas can form an S trend in the three-dimensional space of the desulfurizing tower, so that the detention time of the gas-liquid-solid three phases in the desulfurizing tower is greatly prolonged; the solid-liquid mixed slurry forms water seal between each component, water films are formed on the surfaces of the wall and the component, splashed liquid drops on the inner surface of the desulfurization tower are impacted to form water mist, and the waste gas is fully contacted with the water seal, the water films and the water mist, so that the reaction area is multiplied.
The diversion detention component is the core area of the whole device, the C-shaped diversion device is arranged on the upper surface of the two parts to control the flow direction of the solid-liquid mixed slurry to make the solid-liquid mixed slurry move spirally in the desulfurization tower, and the time of the solid-liquid mixed slurry in the desulfurization tower can be controlled to be prolonged by 0.5-2 times, so that the gas-liquid mass transfer time is prolonged.
Gas and liquid impact on the inner surface of the desulfurizing tower from top to bottom simultaneously in the diversion retention assembly, liquid drops splashed by the solid-liquid mixed slurry and the gas are fully mixed to form aerogel, and the aerogel flows through the whole desulfurizing tower from top to bottom along with the solid-liquid mixed slurry. The solid-liquid mixed slurry forms a layer of spiral liquid film on the inner surface of the diversion retention assembly, and the gas impacts the liquid film to form liquid film contact; the solid-liquid mixed slurry forms a spiral liquid seal between the two parts under the action of the upper spiral distributor 12 and the lower jet orifice 13 in the diversion retention assembly, and gas is driven by the solid-liquid mixed slurry flowing downwards to impact downwards to permeate the liquid seal to form liquid seal contact. The mass transfer efficiency of gas-liquid in the desulfurizing tower is faster, the contact area is larger, and the working efficiency is greatly improved. In addition, in the whole contact reaction process of the desulfurizing tower, potential energy generated when the solid-liquid mixed slurry falls freely in the desulfurizing tower drives the gas to move, the pressure of a fan can be effectively reduced, and the resistance is reduced by 50 percent compared with that of the traditional desulfurizing tower.
Specifically, the bottom 11 of the tower is provided with a circulation tank. The air outlet 3 is arranged in the middle of the side wall of the air equalizing chamber 10. Agitating unit 7 includes the agitator and is used for driving agitator pivoted driving motor, and the agitator includes (mixing) shaft and stirring vane, and stirring vane is located body of the tower 1 and is connected with driving motor through the (mixing) shaft, and driving motor fixed mounting is outside body of the tower 1. The stirring device 7 is used for preventing materials from depositing, the circulating pump 6 is used for conveying the slurry in the circulating tank to the top of the tower, and the slurry after the reaction flows back to the circulating tank.
In the actual industrial production, use the utility model discloses a process flow of pneumatic spiral desulfurizing tower, including the step as follows:
1. the solid-liquid mixed slurry is conveyed to a circulating tank, the solid-liquid mixed slurry is stirred by a stirring device 7 to prevent material deposition, and then the solid-liquid mixed slurry in the circulating tank is pumped to a liquid inlet 4 on the side surface of a large head 8 and a small head 8 at the top of the tower by a circulating pump 6.
2. The top of the large and small head 8 of the tower top is provided with an air inlet 2, and waste gas enters the tower body 1 from the top to be intersected with the solid-liquid mixed slurry to start contact reaction and flows downwards under the drive of the solid-liquid mixed slurry.
3. The gas phase and the liquid phase are fully contacted and reacted in the diversion detention assembly after being intersected, and the diversion detention assembly is provided with a corresponding layer number through actual working conditions.
4. Gas and liquid reach the gas homogenizing chamber 10 after multistage contact reaction, and gas is discharged at the gas homogenizing chamber 10 side, and the solid-liquid mixed slurry continues to flow downwards into the circulation tank, and is stirred evenly by the stirring device 7, and then is pumped to the big end and the small end 8 at the top of the tower through the circulating pump 6 for recycling.
To sum up, the utility model discloses a pneumatic spiral desulfurizing tower, air inlet 2 set up in the top of gas outlet 3 relatively, and inlet 4 sets up the top at the liquid outlet relatively for the flow direction of the mixed thick liquid of solid-liquid in body of the tower 1 is the same with the flow direction of flue gas in body of the tower 1, is from top to bottom flowing, and the mixed thick liquid of solid-liquid flows downwards and drives the flue gas downward flow, thereby reduces the flow resistance of flue gas in body of the tower 1, calculates its relative gas-liquid countercurrent resistance according to hydrodynamics and will reduce about 30%.
The utility model discloses a pneumatic spiral desulfurizing tower, inside no any movable part, the structure is reliable, it is simple to maintain, the reaction effect is good, and the system resistance is little, the energy consumption is low, the reaction time of the solid three-phase of gas-liquid has been improved greatly, the reaction efficiency has been increased, the system resistance has been reduced simultaneously, the required thick liquid circulation volume of pneumatic spiral desulfurizing tower is less, make the running cost reduce, reach energy-conserving purpose, the gas-liquid is than little reaction effect height, it is simple to maintain, the scale deposit is not blockked up, to the big characteristics of accommodation of gas-liquid, will obtain wide application in actual production.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a pneumatic spiral desulfurizing tower, includes body of the tower (1) and circulation loop system, body of the tower (1) is equipped with air inlet (2), gas outlet (3), circulation loop system is used for carrying the mixed thick liquid of solid-liquid in the body of the tower (1) to body of the tower (1) upper portion from body of the tower (1) lower part, circulation loop system is including locating inlet (4) on body of the tower (1) upper portion, locating the liquid outlet of desulfurizing tower bottom (11) lateral wall and locating circulating pump (6) on connecting tube (5) between inlet (4) and liquid outlet, the bottom of body of the tower (1) is equipped with at least one agitating unit (7), its characterized in that: the air inlet (2) is positioned above the air outlet (3), and the air inlet (2) is arranged at the top of the tower body (1).
2. The pneumatic spiral desulfurization tower of claim 1, wherein: the tower body (1) comprises a tower top big end and a tower bottom (8), at least one tower middle reactor (9), an air equalizing chamber (10) and a tower bottom (11) which are sequentially arranged from top to bottom.
3. The pneumatic spiral desulfurization tower of claim 2, wherein: the big and small head (8) in top of the tower is the conical shape of inversion, air inlet (2) set up the top of big and small head (8) in top of the tower, inlet (4) set up the lateral wall middle part of big and small head (8) in top of the tower, inlet (4) are located the below of air inlet (2).
4. The pneumatic spiral desulfurization tower of claim 2, wherein: be equipped with a water conservancy diversion in every tower middle part reactor (9) and detain the subassembly, the water conservancy diversion is detained the subassembly and is included spiral distributor (12) and lower jet orifice (13) that are located spiral distributor (12) below, it is equipped with the dispersion spiral blade group that is annular array distribution on spiral distributor (12) to go up, the edge of lower jet orifice (13) is equipped with and encircles jet orifice (13) set up down and be the convergence spiral blade group that annular array distributes, dispersion spiral blade group and convergence spiral blade group include a plurality of helical blade respectively, dispersion spiral blade group is used for mixing the thick liquid with solid-liquid by center water conservancy diversion to periphery, convergence spiral blade group is used for mixing the thick liquid with solid-liquid by peripheral water conservancy diversion to lower jet orifice (13) at center.
5. The pneumatic spiral desulfurization tower of claim 2, wherein: the air outlet (3) is arranged in the middle of the side wall of the air equalizing chamber (10).
6. The pneumatic spiral desulfurization tower of claim 2, wherein: the number of said mid-column reactors (9) is 1 or 2 or 3 or 4 or 5.
7. The pneumatic spiral desulfurization tower of claim 2, wherein: the big and small heads (8) at the top of the tower, the reactor (9) at the middle part of the tower, the gas equalizing chamber (10) and the bottom (11) at the bottom of the tower which are adjacent to each other are connected by flanges.
8. The pneumatic spiral desulfurization tower of any one of claims 1-7, wherein: agitating unit (7) include the agitator and be used for driving agitator pivoted driving motor, and the agitator includes (mixing) shaft and stirring vane, and stirring vane is located body of the tower (1) and is connected with driving motor through the (mixing) shaft, and driving motor fixed mounting is outside body of the tower (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920681597.9U CN210206433U (en) | 2019-05-14 | 2019-05-14 | Pneumatic spiral desulfurizing tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920681597.9U CN210206433U (en) | 2019-05-14 | 2019-05-14 | Pneumatic spiral desulfurizing tower |
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| CN210206433U true CN210206433U (en) | 2020-03-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432997A (en) * | 2022-02-10 | 2022-05-06 | 深圳宽黔环境工程有限公司贵安新区分公司 | Device and method for smoke red mud suspension carbonization dealkalization |
-
2019
- 2019-05-14 CN CN201920681597.9U patent/CN210206433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432997A (en) * | 2022-02-10 | 2022-05-06 | 深圳宽黔环境工程有限公司贵安新区分公司 | Device and method for smoke red mud suspension carbonization dealkalization |
| CN114432997B (en) * | 2022-02-10 | 2024-01-26 | 深圳宽黔环境工程有限公司贵安新区分公司 | Device and method for suspension carbonization dealkalization of flue gas red mud |
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