CN211358325U - Spray tower - Google Patents

Abstract

The utility model discloses a spray tower, comprising a tower body, one-level spray room, second grade spray room, tertiary spray room, whirl device and defroster have set gradually in the tower body from bottom to top, the top of tower body is provided with the outlet duct, the bottom of tower body is provided with the flue gas admission pipe and sprays the liquid export, it all is provided with the access hole to correspond every level spray room on the lateral wall of tower body, is close to every the access hole sets up an maintenance platform respectively, is close to the maintenance platform is provided with the staircase, wherein: the defroster include with the internal diameter of tower body suits's solid fixed ring, the parallel many reinforcing beams that are provided with in the solid fixed ring, follow the length direction of reinforcing beam is provided with many angle irons that the angle is 90 in parallel. An object of the utility model is to provide a can high-efficient defogging to the spray column of the maintenance and the change of the shower nozzle of being convenient for.

Description

Spray tower

Technical Field

The utility model relates to a wet dedusting device technical field especially relates to a spray column.

Background

Sulfur dioxide is a gaseous pollutant which has a large influence on atmospheric pollutants and has great harm to human bodies, the environment and ecological systems. With the stricter environmental requirements, the problem of S02 emission is receiving more and more attention. The sulfur dioxide is mainly derived from the combustion process of fossil fuels such as coal, petroleum and the like, and the flue gas emission in the roasting and smelting processes of ores. The smoke discharged by various combustion boilers, particularly boilers in thermal power plants, has the characteristics of low concentration, large smoke quantity, much floating dust and the like, and is difficult to treat. The technology for purifying sulfur dioxide in the discharged flue gas is generally to carry out desulfurization through a spray tower.

At present, a spray tower usually comprises a cylindrical tower body and a spray liquid pool, wherein an air inlet is formed in the upper portion of the tower body corresponding to the spray liquid pool, an air outlet is formed in the top of the tower body, spray pipes are arranged in the middle of the tower body corresponding to the air inlet and the air outlet, spray heads are arranged on the spray pipes, and a guide pipe for connecting the spray liquid pool and the spray pipes is further arranged on the outer side of the tower body. When the device is used, polluted flue gas enters the tower body from the air inlet, alkaline solution is filled in the spray liquid pool, the alkaline solution flows back to the spray pipe through the guide pipe and is sprayed out by the spray head, and the sprayed alkaline solution and sulfur dioxide in the rising polluted flue gas are subjected to neutralization reaction so as to achieve the purpose of purifying and polluting the flue gas.

However, the existing spray tower mainly has the following problems: 1. the water mist generated in the spraying process is large; 2. the nozzle is not convenient to replace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can high-efficient defogging to the spray column of the maintenance and the change of the shower nozzle of being convenient for, aim at solving in the background art the technical problem explained.

For realizing the above-mentioned purpose, the utility model provides a spray tower, a serial communication port, comprising a tower body, one-level spray room, second grade spray room, tertiary spray room, whirl device and defroster have set gradually from bottom to top in the tower body, the top of tower body is provided with the outlet duct, the bottom of tower body is provided with the flue gas admission pipe and sprays the liquid export, it all is provided with the access hole to correspond every grade spray room on the lateral wall of tower body, is close to every the access hole sets up an maintenance platform respectively, is close to the maintenance platform is provided with the staircase, wherein:

the defroster include with the internal diameter of tower body suits's solid fixed ring, the parallel many reinforcing beams that are provided with in the solid fixed ring, follow the length direction of reinforcing beam is provided with many angle irons that the angle is 90 in parallel.

Wherein, the tower body is fixed on the ground through a reinforced concrete structure.

The steel concrete structure comprises two longitudinal steel concrete beams and two transverse steel concrete beams buried in an underground concrete layer, the transverse steel concrete beams and the longitudinal steel concrete beams are staggered to form a well shape, the staggered areas of the transverse steel concrete beams and the longitudinal steel concrete beams are respectively provided with an embedded part, the lower end of the tower body is provided with a supporting leg corresponding to each embedded part, and the supporting legs are connected with the steel concrete structure through the embedded parts.

The outer side of the tower body is provided with a main spray pipe, each stage of spray chamber is internally provided with at least one set of spray system, each set of spray system comprises 13 spray heads, each spray head is communicated with the main spray pipe through a spray branch pipe, and the 13 spray heads are distributed according to coordinates (0, 0), (n, n), (-n, -n), (2n, 0), (2n, 2n), (0, 2n), (-2n, 0), (-2n ), (0, -2n), (2n, -2n), wherein an original point (0, 0) is positioned at the center of a circle of the cross section of the tower body, and the relationship between the unit length n and the radius r of the cross section of the tower body is n ═ r/3.

Wherein, each stage of spray room is provided with 5 sets of spraying systems, and each set of spraying system is evenly distributed along the axial direction of the tower body.

The side wall of the air outlet pipe is provided with a monitoring hole, and an outer screw plug is sleeved on the monitoring hole.

Wherein, the end of giving vent to anger of outlet duct still is provided with the rain cap.

Wherein n is 500.

Wherein, a baffle is arranged above the air outlet end of the flue gas inlet pipe.

The utility model discloses a spray tower, the flue gas inlet pipe of preliminary treatment flue gas bottom through the spray tower enters into the tower body, starts the whirl device, and the whirl device carries out the torrent processing to the flue gas; then the flue gas rises and gradually passes through the first-stage spray chamber, the second-stage spray chamber and the third-stage spray chamber, so that the spray liquid is fully contacted with the waste gas, the desulfurization operation is efficiently carried out, and the used spray liquid enters the spray liquid outlet under the action of gravity and flows back to the spray liquid pool from the spray liquid outlet; the flue gas treated by the spray chambers at all stages continuously rises and enters the demister through the cyclone device, and as a plurality of angle irons with the angle of 90 degrees are distributed on the demister, the contact area of the flue gas is increased, so that the demisting effect is better; on the other hand, when the spray head in a certain-grade spray room needs to be overhauled or breaks down, maintenance personnel can climb up the overhaul platform close to the overhaul port of the spray room from the escalator and carry out spray head replacement and maintenance operation on the overhaul platform.

Compared with the prior art, the beneficial effects of the utility model are that: the demister is provided with angle iron with an angle of 90 degrees, so that the demisting effect is better; the maintenance platform and the escalator are arranged corresponding to each stage of spray rooms, so that maintenance personnel can maintain and replace the spray heads or other devices conveniently.

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 view of the internal structure of the spray tower of the present invention.

Fig. 2 is a front view of the spray tower of the present invention.

Fig. 3 is a schematic structural view of the reinforced concrete structure of the present invention.

Fig. 4 is a schematic structural diagram of the demister of the present invention.

Fig. 5 is a schematic structural view of angle iron.

Fig. 6 is a schematic view of the distribution of a set of spray heads.

FIG. 7 is a schematic illustration of the service area of a set of spray heads.

1-tower body, 2-first stage spray chamber, 3-second stage spray chamber, 4-third stage spray chamber, 5-cyclone device, 6-demister, 7-air outlet pipe, 8-flue gas inlet pipe, 9-spray liquid outlet, 10-maintenance port, 11-maintenance platform, 12-staircase, 13-fixing ring, 14-reinforcing beam, 15-angle iron, 16-steel concrete structure, 17-longitudinal steel concrete beam, 18-transverse steel concrete beam, 19-embedded part, 20-main spray pipe, 21-spray head, 22-branch spray pipe, 23-monitoring hole, 24-external wire plug, 25-rain cap and 26-baffle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a spray tower, a serial communication port, includes tower body 1, one-level spray room 2, second grade spray room 3, tertiary spray room 4, swirl device 5 and defroster 6 have set gradually from bottom to top in the tower body 1, the top of tower body 1 is provided with outlet duct 7, the bottom of tower body 1 is provided with flue gas admission pipe 8 and spray liquid export 9, it all is provided with access hole 10, is close to every to correspond every level of spray room on the lateral wall of tower body 1 access hole 10 sets up one respectively and overhauls platform 11, is close to overhaul platform 11 and be provided with staircase 12, wherein:

as shown in fig. 4 and 5, the demister 6 includes a fixing ring 13 adapted to the inner diameter of the tower body 1, a plurality of reinforcing beams 14 are arranged in parallel in the fixing ring 13, a plurality of angle irons 15 having an angle of 90 ° are arranged in parallel along the length direction of the reinforcing beams 14, the widths of two plate surfaces of the angle irons 15 are 50mm, and the distance between two adjacent angle irons 15 is 30 mm. It should be noted that the angle bisectors of each angle iron are overlapped with each other and located on the horizontal plane.

In the embodiment, the pretreated flue gas enters the tower body 1 through the flue gas inlet pipe 8 at the bottom of the spray tower, the cyclone device 5 is started, and the cyclone device 5 carries out turbulent flow treatment on the flue gas; then, the flue gas rises and gradually passes through the primary spray chamber 2, the secondary spray chamber 3 and the tertiary spray chamber 4, so that the spray liquid is fully contacted with the waste gas, the desulfurization operation is efficiently carried out, and the used spray liquid enters the spray liquid outlet 9 under the action of gravity and flows back to the spray liquid pool from the spray liquid outlet 9; the flue gas treated by each stage of spray chambers continuously rises and enters the demister 6 through the cyclone device 5, and as the demister 6 is provided with a plurality of angle irons 15 with the angle of 90 degrees, the contact area with the flue gas is increased, so that the demisting effect is better; on the other hand, when the spray head 21 in a certain stage of spray room needs to be repaired or has a fault, the maintenance personnel can climb up the repair platform 11 close to the repair opening 10 of the stage of spray room from the escalator 12 and perform the replacement and maintenance operation of the spray head 21 on the repair platform 11. Compared with the prior art, the beneficial effects of the utility model are that: the angle iron 15 with the angle of 90 degrees is arranged on the demister 6, so that the demisting effect is better; the maintenance platform and the escalator 12 are arranged corresponding to each stage of spray rooms, so that maintenance personnel can maintain and replace the spray head 21 or other devices conveniently.

As shown in fig. 1 and 2, the tower body 1 is further fixed on the ground through a steel concrete structure 16.

In the present embodiment, the tower body 1 is fixed by the steel concrete structure 16, so that the whole spray tower has a more stable structure when operating or receiving external force.

Referring to fig. 3, specifically, the reinforced concrete structure 16 includes two longitudinal reinforced concrete beams 17 and two transverse reinforced concrete beams 18 buried in an underground concrete layer, the transverse reinforced concrete beams 18 and the longitudinal reinforced concrete beams 17 are staggered to form a "well" shape, the staggered areas of the transverse reinforced concrete beams 18 and the longitudinal reinforced concrete beams 17 are respectively provided with an embedded part 19, the lower end of the tower body 1 is provided with a support leg corresponding to each embedded part 19, and the support legs are connected with the reinforced concrete structure 16 through the embedded parts 19. The distance between the two longitudinal steel concrete beams 17 is 1238.48mm, the width is 600mm, the distance between the two transverse steel concrete beams 18 is 1238.48mm, the width is 600mm, and the specification of the embedded part 19 is 400mm x 400 mm.

Referring to fig. 6 and 7, further, a main spray pipe is disposed outside the tower body, at least one set of spray system is disposed in each stage of spray chamber, each set of spray system includes 13 spray heads 21, wherein each spray head 21 is communicated with the spray main pipe 20 through a spray branch pipe 22, and the 13 spray heads 21 are distributed according to coordinates (0, 0), (n, n), (-n, -n), (2n, 0), (2n, 2n), (0, 2n), (-2n, 0), (-2n ), (0, -2n), (2n, -2n), wherein the origin (0, 0) is located at the center of the cross section of the tower body 1, and the relation between the unit length n and the radius r of the cross section of the tower body 1 is n ═ r/3.

Preferably, each stage of spray chamber is provided with 5 sets of spray systems, and each set of spray systems is uniformly distributed along the axial direction of the tower body 1.

In the present embodiment, by arranging the set of spray heads 21 in the above manner, the number of spray heads 21 arranged in each stage of spray chamber is reduced, and the dead angle of spraying is reduced, so that the device cost is reduced and the spraying effect is improved. It should be noted that the spray head 21 is a conical spray head 21, the diameter of the service area and the spray height are both 2n, and when the flow rate of a single spray head 21 is 25L/min, the spray effect is optimal.

Referring to fig. 1 and 2, in combination with a specific application scenario, a monitoring hole 23 is disposed on a side wall of the air outlet pipe 7, and an external plug 24 is sleeved on the monitoring hole 23.

In the embodiment, the monitoring holes 23 are arranged to facilitate the detection of the gas outlet quality of the spray tower.

In combination with a specific application scenario, the air outlet end of the air outlet pipe 7 is further provided with a rain cap 25.

In this embodiment, the rain cap 25 prevents rainwater from flowing into the tower body 1.

As shown in fig. 1, a baffle 26 is preferably arranged above the gas outlet end of the flue gas inlet pipe 8.

In this embodiment, the baffle 26 prevents the spray liquid from entering the flue gas inlet pipe 8.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides a spray tower, a serial communication port, including the tower body, one-level spray room, second grade spray room, tertiary spray room, whirl device and defroster have set gradually from bottom to top in the tower body, the top of tower body is provided with the outlet duct, the bottom of tower body is provided with the flue gas admission pipe and sprays the liquid export, it all is provided with the access hole to correspond every level spray room on the lateral wall of tower body, is close to every the access hole sets up an maintenance platform respectively, is close to the maintenance platform is provided with the staircase, wherein:

the defroster include with the internal diameter of tower body suits's solid fixed ring, the parallel many reinforcing beams that are provided with in the solid fixed ring, follow the length direction of reinforcing beam is provided with many angle irons that the angle is 90 in parallel.

2. The spray tower of claim 1, wherein the tower body is secured to the ground by a steel concrete structure.

3. The spray tower of claim 2, wherein the reinforced concrete structure comprises two longitudinal reinforced concrete beams and two transverse reinforced concrete beams buried in an underground concrete layer, the transverse reinforced concrete beams and the longitudinal reinforced concrete beams are staggered to form a 'well' shape, the staggered areas of the transverse reinforced concrete beams and the longitudinal reinforced concrete beams are respectively provided with an embedded part, the lower end of the tower body is provided with a support leg corresponding to each embedded part, and the support legs are connected with the reinforced concrete structure through the embedded parts.

4. The spray tower of claim 1, wherein a main spray pipe is arranged outside the tower body, at least one set of spray system is arranged in each stage of spray chamber, each set of spray system comprises 13 spray heads, wherein each spray head is communicated with the spray main pipe through a spray branch pipe, and the 13 spray heads are distributed according to coordinates (0, 0), (n, n), (-n, -n), (2n, 0), (2n, 2n), (0, 2n), (-2n, 0), (-2n ), (0, -2n), (2n, -2n), wherein the origin (0, 0) is located at the center of the tower cross section, and the relation between the unit length n and the radius r of the tower cross section is n ═ r/3.

5. A spray tower according to claim 4 wherein each stage of spray chamber is provided with 5 sets of spray systems, each set of spray systems being evenly distributed along the axis of the tower.

6. The spray tower of claim 1, wherein the side wall of the outlet pipe is provided with a monitoring hole, and an outer screw plug is sleeved on the monitoring hole.

7. The spray tower of claim 1, wherein the outlet end of the outlet pipe is further provided with a rain cap.

8. The spray tower of claim 5, wherein n is 500 mm.

9. The spray tower of claim 1, wherein a baffle is disposed above the gas outlet end of the flue gas inlet pipe.

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