CN220677366U - Flue gas purification spray tower - Google Patents

Abstract

The utility model belongs to the technical field of spray towers, and particularly relates to a flue gas purifying spray tower which comprises a shell, a spraying unit, a pouring unit and an exchange unit, wherein the shell is directly or indirectly connected with all other units, and the spraying unit is used for diffusing and neutralizing liquid to purify flue gas; the pouring unit comprises a motor II, a telescopic rod, a sieve plate, a screw rod sliding block and a screw lever; the output end of the second motor is fixedly connected with the upper end face of the telescopic rod, the lower end of the telescopic rod is fixedly connected with the upper end face of the screen plate, the outer circumference of the screen plate is in sliding connection with the inner side of the shell, and a plurality of water guide holes III are formed in the surface of the screen plate; the upper end face of the wire lever is rotationally connected with the upper end face of the inner side of the telescopic rod; the sieve plate is fixedly connected with the screw rod sliding block, the screw rod sliding block is in threaded connection with the screw rod, and the lower end of the screw rod is in rotary connection with the lower end of the inner side of the shell.

Description

Flue gas purification spray tower

Technical Field

The utility model belongs to the technical field of spray towers, and particularly relates to a flue gas purification spray tower.

Background

The spray tower is widely applied to flue gas purification and is divided into a circulating water spray tower, an alkali liquor spray tower and an acid liquor spray tower according to the working principle; the neutralizing liquid is sprayed out by the spraying device, so that impurities in the flue gas are wrapped and precipitated, and the purifying effect is achieved; however, the flue gas is diffused in the spray tower as gas, the inner side of the spray tower is full, the number and the spray range of the spray heads are limited, and the flue gas is not easy to sufficiently purify, so that a multi-stage multi-layer spray structure is adopted in some spray towers, or a large number of spray heads are used;

the multi-head spray tower for purifying flue gas comprises a tower body, wherein a gas collecting cavity, a primary spraying cavity and a secondary spraying cavity are sequentially arranged in the tower body from bottom to top, and a purified gas outlet is formed in the upper end of the secondary spraying cavity; the flue gas inlet is communicated with the inner wall of the gas collecting cavity, the center of the upper wall of the gas collecting cavity is raised upwards, and a gas collecting hole communicated with the primary shower cavity is formed. The utility model is provided with a three-layer cavity structure, and the flue gas sequentially passes through the three cavities from bottom to top and is sprayed twice, so that the flue gas can be fully purified; the lowest layer of the gas collecting cavity is of an upward bulge structure so as to guide the flow and collection of the flue gas to the center of the top, and enters the primary spraying cavity in a concentrated state through the gas collecting holes, and a first spray header is arranged above the primary spraying cavity so as to directly spray the collected flue gas, so that a good purifying effect can be achieved by fewer spray headers and a smaller spray range;

however, the multi-head spray tower for purifying the flue gas still has the following problems that the inner wall of the spray tower is flushed only by virtue of the spraying effect, and the cleaning of some attached particles or spraying dead angles is still not in place, so that the flue gas enters the inner side of the spray tower, and part of the flue gas still cannot fully react with the neutralization liquid of the spray tower and can only be purified in the subsequent process.

Disclosure of Invention

The utility model provides a flue gas purifying spray tower for overcoming the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the flue gas purifying spray tower comprises a shell, a spraying unit, a pouring unit and an exchange unit, wherein the shell is directly or indirectly connected with all other units, and the spraying unit is used for diffusing and neutralizing liquid to purify flue gas; the pouring unit comprises a motor II, a telescopic rod, a sieve plate, a screw rod sliding block and a screw lever; the output end of the second motor is fixedly connected with the upper end face of the telescopic rod, the lower end of the telescopic rod is fixedly connected with the upper end face of the screen plate, the outer circumference of the screen plate is in sliding connection with the inner side of the shell, and a plurality of water guide holes III are formed in the surface of the screen plate; the upper end face of the wire lever is rotationally connected with the upper end face of the inner side of the telescopic rod; the screen plate is fixedly connected with a screw rod sliding block, the screw rod sliding block is in threaded connection with a screw rod, and the lower end of the screw rod is in rotary connection with the lower end of the inner side of the shell; through setting up sieve and screw rod screw thread fit, again through telescopic link respectively with sieve, screw rod fixed connection for the sieve is accepting after spraying neutralization liquid down, and rotatory spill through the sieve forms a cascade at shells inner wall, makes the flue gas of letting in pass the thin cascade purification of this layer flow earlier, reentrant shell inboard dust fall, follow-up further purification.

Optionally, the spraying unit comprises a sprayer, a baffle, a sponge ball, a water collecting hole and a water guide block; the upper end of the sprayer is fixedly connected with the upper end of the shell; the lower side of the sprayer is provided with a baffle which is fixedly connected with the shell, the upper end surface of the water collecting hole is paved with a plurality of layers of sponge balls, and the sponge balls are high-elasticity sponge balls; the upper end face of the baffle is fixedly connected with the outer circumference of the water collecting hole, and the lower end face of the water collecting hole is provided with a plurality of first water guide holes; the center of the baffle is fixedly provided with a water collecting hole; a water guide block is arranged at the inner side of the water collecting hole so as to be communicated with the upper side and the lower side of the baffle; the outer circumference of the water guide block is fixedly connected with the inner side of the baffle; the neutralizing liquid is sprayed to the inner side of the shell in a pressurized way through a sprayer, and harmful components in the flue gas are subjected to precipitation and purification by utilizing the neutralizing liquid; and the reaction area of the neutralization solution and the smoke is increased by arranging the sponge ball, the smoke firstly enters the lower side of the baffle through the water guide block, then enters the inner side of the sponge ball through the water collecting hole, and the neutralization solution fully reacts with the smoke.

Optionally, the sponge ball is a high-elasticity sponge ball so as to be flushed by water flow to strike the inner wall of the shell on the upper side of the water collecting hole.

Optionally, the outer side of the shell is fixedly connected with the inner ring of the support, the right side of the shell is provided with a liquid tank, the liquid tank is communicated with the lower end of the shell through a first guide pipe, the liquid tank is fixedly provided with a ball valve on the right side of the first guide pipe, and the left side of the ball valve is communicated with the right side of the first guide pipe; the upper end of the liquid tank is fixedly provided with a pump, the pump is communicated with the sprayer through a two-phase conduit, and the left side of the pump is communicated with the lower end of the inner side of the shell through a three-phase conduit; the left side of the pump is provided with a filter, and the filter is communicated with the pump and the guide pipe in a three-phase manner.

Optionally, the exchange unit comprises an air inlet, a sewage outlet, a liquid suction port and an air outlet; the air inlet is formed in the left side of the shell, and the sewage outlet is positioned in the left side of the lower end of the shell; the liquid suction port is positioned on the right side of the lower end of the shell, the liquid suction port is positioned on the right side of the lower side of the shell, the exhaust port is positioned on the right side of the upper side of the shell, the liquid suction port is fixedly connected with one outer circumference of the guide pipe, and the liquid suction port is fixedly connected with three outer circumferences of the guide pipe.

Optionally, the sprayer is a high-pressure sprayer to spray the neutralizing liquid under pressure.

Optionally, a plurality of second water guide holes are formed in the water guide block, and the circumference of the water guide Kong Erwai is communicated with the upper side and the lower side of the baffle.

Optionally, the water guide holes III are located at equal intervals along the center of the sieve plate to the outside, and the water guide holes III are water guide fine holes; through setting up the water guide hole outside at the sieve center for ponding on the sieve is through the water guide hole, under the effect of centrifugal force, continuously gets rid of shells inner wall.

To sum up, compared with the prior art, the beneficial effect of this scheme is:

(1) The screen plate is in threaded fit with the screw rod and is fixedly connected with the screen plate and the screw rod through the telescopic rod respectively, so that after the screen plate receives the sprayed neutralization liquid, the neutralization liquid is sprayed out through rotation of the screen plate, a water curtain is formed on the inner wall of the shell, and the introduced flue gas is purified through the thin water curtain flowing in the layer, enters the inner side of the shell for dust fall, and is further purified;

(2) The screen plate is in threaded fit with the screw rod, and is fixedly connected with the screen plate and the screw rod respectively through the telescopic rod, and the outer side of the screen plate scrapes the inner wall of the shell in the process of moving up and down in the process of rotating the screw rod;

(3) The neutralizing liquid is sprayed to the inner side of the shell in a pressurized way through a sprayer, and harmful components in the flue gas are subjected to sedimentation and purification by utilizing the neutralizing liquid; the reaction area of the neutralization solution and the flue gas is increased by arranging the sponge ball, the flue gas firstly enters the lower side of the baffle through the water guide block, then enters the inner side of the sponge ball through the water collecting hole, and the neutralization solution fully reacts with the flue gas; the upper sponge ball is sprayed under high pressure of the spray head and rushes to the inner wall of the shell, and flue gas residues attached to the inner wall of the shell are wiped;

(4) The water guide holes are arranged outside the center of the sieve plate, so that accumulated water on the sieve plate continuously throws towards the inner wall of the shell under the action of centrifugal force through the water guide holes in the process of rotating and moving the sieve plate;

drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of the structure of the spraying unit of the present utility model;

fig. 4 is a schematic diagram of a shower unit according to the present utility model.

10. A housing; 101. a bracket; 102. a liquid tank; 103. a ball valve; 104. a first motor; 105. a pump machine; 106. a first conduit; 107. a second conduit; 108. a third conduit; 109. a filter; 20. a spraying unit; 201. a sprinkler; 202. a baffle; 203. a sponge ball; 204. a water guide hole I; 205. a water collecting hole; 206. a water guide block; 207. a water guide hole II; 30. pouring unit; 301. a second motor; 302. a telescopic rod; 303. a sieve plate; 304. a water guide hole III; 305. a screw rod sliding block; 306. a wire lever; 307. a scraper; 308. a bearing; 309. a scraper shaft; 40. an exchange unit; 401. an air inlet; 402. a sewage outlet; 403. a liquid suction port; 404. a liquid suction port; 405. and an exhaust port.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model.

Embodiment one: referring to fig. 1-2, a flue gas purifying spray tower comprises a shell 10, a spraying unit 20, a pouring unit 30 and an exchange unit 40, wherein the shell 10 is directly or indirectly connected with all other units; the outer side of the shell 10 is fixedly connected with the inner ring of the support 101, a liquid tank 102 is arranged on the right side of the shell 10, the liquid tank 102 is communicated with the lower end of the shell 10 through a first guide pipe 106, a ball valve 103 is fixedly arranged on the right side of the first guide pipe 106 in the liquid tank 102, and the left side of the ball valve 103 is communicated with the right side of the first guide pipe 106; the pump 105 is fixedly arranged at the upper end of the liquid tank 102, the pump 105 is communicated with the sprayer 201 through a second conduit 107, and the left side of the pump 105 is communicated with the lower end of the inner side of the shell 10 through a third conduit 108; a filter 109 is arranged on the left side of the pump 105, and the filter 109 is communicated with the pump 105 and a three-pipe 108; the filter 109 is a purification water filter to absorb particulate matter and acidic ions in the water;

referring to fig. 3-4, the spray unit 20 is used for diffusion neutralization of liquid-purified flue gas; the upper end of the sprayer 201 is fixedly connected with the upper end of the shell 10, and the sprayer 201 is used for spraying neutralizing liquid to purify flue gas; the sprayer 201 is a high-pressure sprayer to spray the neutralization liquid under pressure; a baffle 202 is arranged at the lower side of the sprinkler 201, the baffle 202 is fixedly connected with the shell 10, a plurality of layers of sponge balls 203 are paved on the upper end surface of the water collecting hole 205, and the sponge balls 203 are high-elasticity sponge balls so as to be flushed by water flow to impact the inner wall of the shell 10 at the upper side of the water collecting hole 205; the upper end surface of the baffle 202 is fixedly connected with the outer circumference of the water collecting hole 205, the water collecting hole 205 is a cap-shaped metal sheet, and the lower end surface of the water collecting hole 205 is provided with a plurality of water guide holes I204; a water collecting hole 205 is fixedly formed in the center of the baffle 202; a water guide block 206 is arranged at the inner side of the water collection hole 205, and a plurality of water guide holes II 207 are formed in the water guide block 206 so as to be communicated with the upper side and the lower side of the baffle 202;

the pouring unit 30 described with reference to fig. 3-4 comprises a second motor 301, a telescopic rod 302, a screen plate 303, a screw slider 305 and a screw rod 306; the lower end of the second water guide hole 207 is rotatably connected with the second motor 301, and a waterproof coating is coated on the outer surface of the second motor 301; the output end of the second motor 301 is fixedly connected with the upper end surface of the telescopic rod 302, the lower end of the telescopic rod 302 is fixedly connected with the upper end surface of the screen plate 303, the outer circumference of the screen plate 303 is in sliding connection with the inner side of the shell 10, a plurality of water guide holes III 304 are formed in the center of the screen plate 303 at equal intervals outwards, the screen plate 303 is a disc-shaped thin metal disc, and the water guide holes III 304 are water guide fine holes so as to uniformly scatter accumulated water on the upper side of the screen plate 303 to the inner wall of the shell 10; the upper end surface of the screw rod 306 is rotationally connected with the upper end surface of the inner side of the telescopic rod 302; the screen plate 303 is fixedly connected with a screw rod sliding block 305, the screw rod sliding block 305 is in threaded connection with a screw rod 306, and the lower end of the screw rod 306 is in rotary connection with the lower end of the inner side of the shell 10;

referring to fig. 3-4, the exchange unit 40 includes an air inlet 401, a sewage outlet 402, a liquid suction port 403, a liquid suction port 404, and an air outlet 405; the air inlet 401 is formed in the left side of the shell 10, and the drain outlet 402 is positioned in the left side of the lower end of the shell 10 so as to block the drain outlet in the lower side of the shell 10; the liquid suction port 404 is located on the right side of the lower end of the shell 10, the liquid suction port 403 is located on the right side of the lower side of the shell 10, the air exhaust port 405 is located on the right side of the upper side of the shell 10, the liquid suction port 404 is fixedly connected with the outer circumference of the first conduit 106, and the liquid suction port 403 is fixedly connected with the outer circumference of the third conduit 108.

Embodiment two: referring to fig. 3-4, a scraper 307, a bearing 308 and a scraper rotating shaft 309 are disposed at the lower end of the screw rod 306, the lower end of the screw rod 306 is fixedly connected with an outer ring of the bearing 308, an inner ring of the bearing 308 is fixedly connected with the upper end of the scraper rotating shaft 309, a first motor 104 is disposed at the lower side of the housing 10, the lower end surface of the housing 10 is fixedly connected with the upper end surface of the first motor 104, the output end of the first motor 104 is fixedly connected with the lower end surface of the scraper rotating shaft 309, and the scraper rotating shaft 309 is fixedly connected with the inner side surface of the scraper 307

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that this application is not limited to the forms disclosed herein, but is not to be construed as an exclusive use of other embodiments, and is capable of many other combinations, modifications and environments, and adaptations within the scope of the teachings described herein, through the foregoing teachings or through the knowledge or skills of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the present utility model are intended to be within the scope of the appended claims.

Claims (8)

1. The flue gas purification spray tower is characterized by comprising a shell (10), a spraying unit (20), a pouring unit (30) and an exchange unit (40), wherein the shell (10) is directly or indirectly connected with all other units, and the spraying unit (20) is used for diffusing and neutralizing liquid to purify flue gas; the pouring unit (30) comprises a motor II (301), a telescopic rod (302), a sieve plate (303), a screw rod sliding block (305) and a screw rod (306); the output end of the second motor (301) is fixedly connected with the upper end face of the telescopic rod (302), the lower end of the telescopic rod (302) is fixedly connected with the upper end face of the screen plate (303), the outer circumference of the screen plate (303) is slidably connected with the inner side of the shell (10), and a plurality of water guide holes III (304) are formed in the surface of the screen plate (303); the upper end face of the screw rod (306) is rotationally connected with the upper end face of the inner side of the telescopic rod (302); the sieve plate (303) is fixedly connected with the screw rod sliding block (305), the screw rod sliding block (305) is in threaded connection with the screw rod (306), and the lower end of the screw rod (306) is rotationally connected with the lower end of the inner side of the shell (10).

2. A flue gas cleaning spray tower according to claim 1, wherein the spray unit (20) comprises a sprayer (201), a baffle (202), a sponge ball (203), a water collection hole (205), a water guide block (206); the upper end of the sprinkler (201) is fixedly connected with the upper end of the shell (10); a baffle plate (202) is arranged at the lower side of the sprayer (201), the baffle plate (202) is fixedly connected with the shell (10), a plurality of layers of sponge balls (203) are paved on the upper end surface of the water collecting hole (205), and the sponge balls (203) are high-elasticity sponge balls; the upper end face of the baffle plate (202) is fixedly connected with the outer circumference of the water collecting hole (205), and a plurality of first water guide holes (204) are formed in the lower end face of the water collecting hole (205); a water collecting hole (205) is fixedly formed in the center of the baffle (202); a water guide block (206) is arranged at the inner side of the water collecting hole (205) so as to be communicated with the upper side and the lower side of the baffle plate (202); the outer circumference of the water guide block (206) is fixedly connected with the inner side of the baffle plate (202).

3. A flue gas cleaning spray tower according to claim 2, wherein the sponge ball (203) is a high-elasticity sponge ball so as to be flushed by water flow to strike the inner wall of the housing (10) on the upper side of the water collecting hole (205).

4. The flue gas purification spray tower according to claim 2, wherein the outer side of the shell (10) is fixedly connected with an inner ring of the bracket (101), a liquid tank (102) is arranged on the right side of the shell (10), the liquid tank (102) is communicated with the lower end of the shell (10) through a first guide pipe (106), a ball valve (103) is fixedly arranged on the right side of the first guide pipe (106) in the liquid tank (102), and the left side of the ball valve (103) is communicated with the right side of the first guide pipe (106); the upper end of the liquid tank (102) is fixedly provided with a pump (105), the pump (105) is communicated with the sprayer (201) through a second guide pipe (107), and the left side of the pump (105) is communicated with the lower end of the inner side of the shell (10) through a third guide pipe (108); a filter (109) is arranged on the left side of the pump (105), and the filter (109) is communicated with the pump (105) and a conduit III (108).

5. A flue gas cleaning spray tower according to claim 1, wherein the exchange unit (40) comprises an air inlet (401), a drain outlet (402), a liquid suction outlet (403), a liquid suction outlet (404), and an air outlet (405); the air inlet (401) is formed in the left side of the shell (10), and the sewage outlet (402) is positioned in the left side of the lower end of the shell (10); the liquid suction port (404) is positioned on the right side of the lower end of the shell (10), the liquid suction port (403) is positioned on the right side of the lower side of the shell (10), the exhaust port (405) is positioned on the right side of the upper side of the shell (10), the liquid suction port (404) is fixedly connected with the outer circumference of the first conduit (106), and the liquid suction port (403) is fixedly connected with the outer circumference of the third conduit (108).

6. A flue gas cleaning spray tower according to claim 2, wherein the sprayer (201) is a high pressure spray head for pressurized spraying of the neutralization liquid.

7. The flue gas purifying spray tower according to claim 2, wherein a plurality of second water guide holes (207) are formed in the water guide block (206), and the outer circumference of the second water guide holes (207) is communicated with the upper side and the lower side of the baffle plate (202).

8. A flue gas cleaning spray tower according to claim 1, wherein the water guiding holes three (304) are located at equal intervals along the center of the screen plate (303) towards the outside, and the water guiding holes three (304) are water guiding fine holes.