A precise spraying device for alkali slag wet desulfurization tower

Abstract

The utility model relates to the technical field of desulfurization towers, and in particular to a precise spraying device for a alkali slag wet desulfurization tower, comprising a spray main pipe arranged in a circular desulfurization tower, one end of the spray main pipe being fixedly connected to the inner wall of the desulfurization tower, a plurality of spray branches arranged at intervals being arranged on both sides of each spray main pipe, a plurality of nozzle connecting pipes arranged at intervals being arranged on both sides of the spray branch pipe, one end of the nozzle connecting pipe away from the spray branch pipe being connected to a hollow nozzle through a slip-on flange, and a plurality of adjusting balls being arranged on the spray branch pipe and the nozzle connecting pipe. The utility model can adjust the position and angle of the hollow nozzle by adjusting the ball and the slip-on flange, thereby increasing the coverage area of ​​the spray.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization towers, in particular to a precise spraying device for an alkali slag wet desulfurization tower. Background Art

[0002] The desulfurization tower is a tower-type equipment for desulfurization of industrial waste gas. The mist of the desulfurization tower contains sulfur dioxide and impurity particles. Generally, a spraying device is installed in the desulfurization tower to absorb the sulfur dioxide and impurity particles in the mist. The existing spraying equipment cannot adjust the nozzle position and has poor coverage effect. Utility Model Content

[0003] The utility model aims to provide a precise spraying device for an alkali slag wet desulfurization tower, so as to solve the problem that the existing spraying equipment mentioned in the background technology cannot adjust the nozzle position and has poor covering effect.

[0004] The utility model adopts the following technical solutions:

[0005] The utility model provides a precise spraying device for an alkali slag wet desulfurization tower, comprising a spray main pipe arranged in a circular desulfurization tower, one end of the spray main pipe being fixedly connected to the inner wall of the desulfurization tower, a plurality of spray branch pipes arranged at intervals being arranged on both sides of each of the spray main pipes, a plurality of nozzle connecting pipes arranged at intervals being arranged on both sides of the spray branch pipes, one end of the nozzle connecting pipe away from the spray branch pipe being connected to a hollow nozzle through a slip-on flange, and a plurality of adjusting balls being arranged on both the spray branch pipe and the nozzle connecting pipe;

[0006] The adjusting ball comprises a retractable rubber joint, both ends of which are connected to the spray branch pipe or the nozzle connecting pipe through a flange structure, a ball protective sleeve is provided on the outer cover of the rubber joint, and an adjusting bolt assembly is provided between the two flange structures;

[0007] The sphere protection cover comprises an arc-shaped protection inner plate and a protection outer plate, wherein the protection outer plate is overlapped on the outer wall of the protection inner plate, the rubber joint is arranged inside the protection inner plate, and the protection inner plate and the protection outer plate are respectively fixed on the side walls of the flange structure at both ends of the rubber joint.

[0008] The slip-on flange includes a male flange and a female flange. The male flange is sleeved on the right end of the spray branch pipe. The right end of the spray branch pipe is provided with a skirt. The male flange rests on the skirt. The female flange is fixedly connected to the left end of the hollow nozzle. The male flange and the female flange are connected by a fixing bolt assembly.

[0009] Furthermore, the spray main pipe and the spray branch pipe are divided into multiple sections, and the diameter of each section gradually decreases along the liquid flow direction.

[0010] Furthermore, the adjusting bolt assembly includes a first screw rod penetrating the two flange structures, and both sides of each flange structure are fastened and connected by a first nut, and the first nut is threadably matched with the first screw rod.

[0011] Furthermore, a plurality of long strip support platforms are arranged on the inner wall of the desulfurization tower, one end of the spray main pipe is fixedly connected to the desulfurization tower, and the other end is slidably overlapped on the support platform, and the ends of the spray branch pipes away from the spray main pipe are slidably overlapped on the support platform.

[0012] Furthermore, the adjusting ball is made of EPDM rubber.

[0013] Furthermore, the spray main pipe, the spray branch pipe, the sphere protection cover and the sphere protection cover are all made of 2305 stainless steel.

[0014] Furthermore, the hollow nozzle is a hollow cone silicon carbide flange nozzle.

[0015] Compared with the prior art, the beneficial technical effects of the utility model are:

[0016] The utility model can adjust the position and angle of the hollow nozzle by adjusting the sphere and the loose flange, thereby increasing the coverage area of ​​the spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a structural schematic diagram of the precise spraying device of the alkali slag wet desulfurization tower in the embodiment of the utility model;

[0019] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0020] Figure 3 for Figure 1 The enlarged view of point B in the middle;

[0021] Figure 4 This is a schematic diagram of the installation of the adjusting ball in the embodiment of the utility model;

[0022] Figure 5 It is a cross-sectional view of the ball protection cover in the embodiment of the utility model;

[0023] Figure 6 It is a schematic diagram of the installation of the hollow nozzle in the embodiment of the utility model.

[0024] Explanation of the accompanying drawings: 1. Desulfurization tower; 2. Spray main pipe; 3. Spray branch pipe; 301. Skirt; 4. Nozzle connecting pipe; 5. Loose flange; 501. Male flange; 502. Female flange; 6. Hollow nozzle; 7. Adjusting ball; 701. Rubber joint; 702. Flange structure; 703. Bolt assembly; 703-1. First screw; 703-2. First nut; 8. Ball protection cover; 801. Protective inner tube; 802. Protective outer tube; 9. Support platform; 10. Fixing bolt assembly. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] like Figures 1 to 3 As shown, the present embodiment discloses a precise spraying device for an alkali slag wet desulfurization tower, comprising a spray main pipe 2 arranged in a circular desulfurization tower 1, one end of the spray main pipe 2 being fixedly connected to the inner wall of the desulfurization tower 1, a plurality of spray branch pipes 3 arranged at intervals are arranged on both sides of each spray main pipe 2, a plurality of nozzle connecting pipes 4 arranged at intervals are arranged on both sides of the spray branch pipe 3, one end of the nozzle connecting pipe 4 away from the spray branch pipe 3 is connected to the hollow nozzle 6 through a slip-on flange 5, the spray angle of the hollow nozzle 6 can be adjusted by the slip-on flange 5, a plurality of adjusting balls 7 are arranged on the spray branch pipe 3 and the nozzle connecting pipe 4, and the position of the hollow nozzle 6 can be adjusted by adjusting the balls 7.

[0027] like Figure 4 As shown, the adjusting ball 7 includes a retractable rubber joint 701, both ends of the rubber joint 701 are connected to the spray branch pipe 3 or the nozzle connecting pipe 4 through a flange structure 702, and a ball protection sleeve 8 is provided on the outer sleeve of the rubber joint 701 to protect the rubber joint 701 from being eroded. An adjusting bolt assembly 703 is provided between the two flange structures 702 for adjusting the position of the hollow nozzle 6.

[0028] like Figure 5 As shown, the sphere protection cover 8 includes an arc-shaped protection inner plate 801 and a protection outer plate 802. The protection outer plate 802 is overlapped on the outer wall of the protection inner plate 801. An adjusting sphere 7 is arranged in the protection inner plate 801. The protection inner plate 801 and the protection outer plate 802 are respectively fixed on the side walls of the flange structure 8 at both ends of the adjusting sphere 7.

[0029] like Figure 6As shown, the slip-on flange 5 includes a male flange 501 and a female flange 502. The male flange 501 is sleeved on the right end of the spray branch pipe 3. The right end of the spray branch pipe 3 is provided with a skirt 301. The male flange 501 is against the skirt 301. The female flange 502 is fixedly connected to the left end of the hollow nozzle 6. The male flange 501 and the female flange 502 are connected by a fixing bolt assembly 10.

[0030] In this embodiment, the spray main pipe 2 and the spray branch pipe 3 are divided into multiple sections, and the diameter of each section gradually decreases along the liquid flow direction to maintain the slurry supply pressure and reduce the requirements for the slurry pump.

[0031] In this embodiment, the adjusting bolt assembly 703 includes a first screw rod 703-1 penetrating through two flange structures 702. Both sides of each flange structure 702 are fastened together by a first nut 703-2. The first nut 703-2 is threadedly matched with the first screw rod 703-2.

[0032] In this embodiment, a plurality of long strip support platforms 9 are arranged on the inner wall of the desulfurization tower 1, one end of the spray main pipe 2 is fixedly connected to the desulfurization tower 1, and the other end is slidably overlapped on the support platform 9, and the ends of the spray branch pipes 3 away from the spray main pipe 2 are all slidably overlapped on the support platform 9.

[0033] In this embodiment, the adjusting ball 7 is made of EPDM rubber, which has excellent heat resistance, elasticity, aging resistance, wear resistance and corrosion resistance.

[0034] In this embodiment, the spray main pipe 2, the spray branch pipe 3, the ball protection cover 8 and the ball protection cover 8 are all made of 2305 stainless steel. The 2508 stainless steel material is suitable for working conditions where the alkali slag desulfurizer has many impurities and high CL- content.

[0035] In this embodiment, the hollow nozzle 6 is a hollow cone silicon carbide flange nozzle, and the silicon carbide material has excellent wear resistance and corrosion resistance.

[0036] The use process of the utility model is as follows:

[0037] First, workers are required to enter the desulfurization tower 1, assemble the precise spraying device of the alkali slag wet desulfurization tower, and then adjust the adjusting ball 7 to a suitable length by adjusting the bolt assembly 703, so as to adjust the hollow nozzle 6 to a suitable position, loosen the slip-on flange 5 by fixing the bolt assembly 10, and then rotate the hollow nozzle 6 to a suitable angle, tighten the fixing bolt assembly 10 again, and finally start spraying the desulfurization tower 1.

[0038] When the hollow nozzle 6 needs to be adjusted, a worker needs to enter the tower and readjust the adjusting ball 7 to a suitable length by adjusting the bolt assembly 703, thereby adjusting the hollow nozzle 6 to a suitable position, loosening the slip-on flange 5 by fixing the bolt assembly 10, and then rotating the hollow nozzle 6 to a suitable angle, tightening the fixing bolt assembly 10 again, and finally starting to spray the desulfurization tower 1.

[0039] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A precise spraying device for an alkali residue wet desulfurization tower, characterized in that: The invention comprises a spray main pipe (2) arranged in a circular desulfurization tower (1), one end of the spray main pipe (2) being fixedly connected to the inner wall of the desulfurization tower (1), a plurality of spray branch pipes (3) arranged at intervals being arranged on both sides of each of the spray main pipes (2), a plurality of nozzle connecting pipes (4) arranged at intervals being arranged on both sides of the spray branch pipes (3), one end of the nozzle connecting pipe (4) away from the spray branch pipe (3) being connected to a hollow nozzle (6) through a slip-on flange (5), and a plurality of adjusting balls (7) being arranged on both the spray branch pipe (3) and the nozzle connecting pipe (4); The adjusting ball (7) comprises a retractable rubber joint (701), both ends of the rubber joint (701) are connected to the spray branch pipe (3) or the nozzle connecting pipe (4) through a flange structure (702), a ball protection sleeve (8) is provided on the outer cover of the rubber joint (701), and an adjusting bolt assembly (703) is provided between the two flange structures (702); The spherical protective cover (8) comprises an arc-shaped protective inner plate (801) and a protective outer plate (802), wherein the protective outer plate (802) is overlapped on the outer wall of the protective inner plate (801), the protective inner plate (801) is provided with the rubber joint (701), and the protective inner plate (801) and the protective outer plate (802) are respectively fixed on the side walls of the flange structure (702) at both ends of the rubber joint (701); The slip-on flange (5) comprises a male flange (501) and a female flange (502); the male flange (501) is sleeved on the right end of the spray branch pipe (3); the right end of the spray branch pipe (3) is provided with a skirt (301); the male flange (501) abuts against the skirt (301); the female flange (502) is fixedly connected to the left end of the hollow nozzle (6); the male flange (501) and the female flange (502) are connected via a fixing bolt assembly (10).

2. The precise spraying device for the alkali residue wet desulfurization tower according to claim 1 is characterized in that: The main spray pipe (2) and the branch spray pipe (3) are both divided into multiple sections, and the diameter of each section gradually decreases along the liquid flow direction.

3. The precise spraying device for the alkali slag wet desulfurization tower according to claim 1 is characterized in that: The adjusting bolt assembly (703) comprises a first screw rod (703-1) penetrating through the two flange structures (702), and both sides of each flange structure (702) are fastened together by a first nut (703-2), and the first nut (703-2) is threadedly matched with the first screw rod (703-1).

4. The precise spraying device for the alkali slag wet desulfurization tower according to claim 1 is characterized in that: A plurality of long strip support platforms (9) are arranged on the inner wall of the desulfurization tower (1); one end of the spray main pipe (2) is fixedly connected to the desulfurization tower (1), and the other end is slidably overlapped on the support platform (9); and the ends of the spray branch pipes (3) away from the spray main pipe (2) are all slidably overlapped on the support platform (9).

5. The precise spraying device for the alkali residue wet desulfurization tower according to claim 1 is characterized in that: The regulating ball (7) is made of EPDM rubber.

6. The precise spraying device for the alkali slag wet desulfurization tower according to claim 1 is characterized in that: The spray main pipe (2), the spray branch pipe (3), the sphere protection cover (8) and the sphere protection cover (8) are all made of 2305 stainless steel.

7. The precise spraying device for the alkali slag wet desulfurization tower according to claim 1 is characterized in that: The hollow nozzle (6) is a hollow cone silicon carbide flange nozzle.

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