Acid distributor device capable of efficiently and uniformly spraying

Abstract

The utility model belongs to the technical field of flue gas acid making in the molybdenum smelting industry, and particularly discloses an efficient and uniform spraying acid distributor device which is characterized in that the liquid inlet end of an acid inlet pipe is directly connected with a pump body arranged outside an absorption tower, and the liquid outlet end of the acid inlet pipe extends into the absorption tower and is connected with the top of an acid distribution main pipe through a bent pipe and an inlet adapting pipe; a plurality of acid distribution branch pipes are uniformly arranged on the two sides of the acid distribution main pipe at intervals, and a plurality of nozzles are axially arranged on the two sides of the lower parts of the acid distribution branch pipes at intervals, so that uniform spraying of sulfuric acid is realized, the acid distribution effect of the acid distributor is improved, the absorption efficiency of sulfur trioxide gas is improved, the gas resistance in the tower is reduced, and the energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the molybdenum smelting industry flue gas acid making technical field, specifically disclose a high -efficient even spraying's acid distributor device. BACKGROUND

[0002] Today, in the molybdenum smelting industry acid making process absorption tower mainly is to the sulfur trioxide gas in flue gas absorption acid making. The acid distributor in absorption tower is extremely important. The working principle of acid distributor is that the spray acid liquor is contacted with the reverse flue gas, realizes the separation absorption of sulfur trioxide gas and prepares sulfuric acid, and the acid separation effect of acid distributor directly influences the absorption rate and acid output, and the acid mist is directly led to the stable operation of subsequent section to gather and affect the acid separation effect, and high -efficient even spraying of acid distributor not only guarantees the normal operation of system, but also stabilizes acid output. SUMMARY

[0003] In order to solve the problems in the background art, the utility model discloses a high -efficient even spraying's acid distributor device, including acid separation main pipe and acid separation branch pipe, improve the acid separation effect of acid distributor, reduce the gas resistance in tower, reduce energy consumption, improve absorption efficiency.

[0004] To realize the above-mentioned invention purpose, the utility model adopts the following technical scheme:

[0005] A kind of high -efficient even spraying's acid distributor device, including absorption tower, acid inlet pipe is provided in the upper portion of absorption tower and penetrates the wall of absorption tower, the liquid inlet end of acid inlet pipe is connected with the acid pump being arranged outside absorption tower, the liquid outlet end of acid inlet pipe is inserted into absorption tower and is connected with the upper end of inlet pipe by elbow pipe, the lower end of inlet pipe is connected with the top of acid separation main pipe by connecting flange, acid separation main pipe extends horizontally along the radial direction of absorption tower, a plurality of acid separation branch pipes are respectively arranged on the two sides of acid separation main pipe, the acid separation branch pipe is uniformly spaced along the axial direction of acid separation main pipe, a plurality of groups of spray nozzles are respectively spaced along the axial direction of acid separation branch pipe in the lower portion of acid separation branch pipe.

[0006] Further, the high -efficient even spraying's acid distributor device, each group of spray nozzles includes two symmetrical spray nozzles, the spray nozzles are respectively arranged on the two sides of the lower portion of acid separation branch pipe, and the included angle between the spray nozzles is equal to 110-130 degrees.

[0007] Further, the high -efficient even spraying's acid distributor device, the included angle between the spray nozzles is equal to 120 degrees.

[0008] Further, the high -efficient even spraying's acid distributor device, the two ends of acid separation main pipe are respectively fixedly connected with sealing end plate.

[0009] Further, the high -efficient even spraying's acid distributor device, the two ends of acid separation main pipe are respectively fixedly connected with sealing end plate.

[0010] Compared with the prior art, the high-efficiency and uniform spraying acid distributor device has the beneficial effects that:

[0011] The acid inlet pipe of the acid distributor device is directly connected with the pump body arranged outside the absorption tower, the liquid outlet end of the acid inlet pipe is connected with the top of the acid distributor main pipe through the elbow pipe and the inlet receiving pipe, and the acid distributor main pipe is uniformly and spacedly provided with a plurality of acid distributor branch pipes on both sides, a plurality of nozzles are axially and spacedly arranged on both sides of the lower part of the acid distributor branch pipe, the uniform spraying of sulfuric acid is realized, the acid distribution effect of the acid distributor is improved, the absorption efficiency of sulfur trioxide gas is improved, the gas resistance in the tower is reduced, and the energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the connection structure diagram of the acid inlet pipe of the acid distributor device of the utility model;

[0013] Figure 2 is the bottom view structure diagram of the acid distributor device of the utility model;

[0014] Figure 3 is Figure 2 the section structure diagram of B-B in the middle;

[0015] Figure 4 is Figure 1 the section structure diagram of A-A in the middle;

[0016] In the above figure: 1-acid inlet pipe; 2-elbow pipe; 3-inlet receiving pipe; 4-acid distributor main pipe; 5-acid distributor branch pipe; 6-connection flange; 7-absorption tower; 8-spraying port; 8.1-nozzle A; 8.2-nozzle B. DETAILED DESCRIPTION

[0017] In order to better understand the utility model, the contents of the utility model will be further illustrated below in combination with examples, but the contents of the utility model are not limited to the following examples only.

[0018] In combination with the drawings Figures 1-4The utility model relates to a high -efficient even spraying's acid distributor device, including the absorption tower 7, is equipped with the acid inlet pipe 1 who penetrates the wall of absorption tower 7 on the upper portion of absorption tower 7, and the liquid inlet end of acid inlet pipe 1 is connected with the output end of the acid pump arranged outside absorption tower 7, and the input end of acid pump is connected with the acid supply groove and provides the acid liquid for absorption tower 7, and the liquid outlet end of acid inlet pipe 1 extends into absorption tower 7 and is connected with the upper end of inlet pipe 3 through the bend pipe 2, and the lower end of inlet pipe 3 is connected with the top of acid distributor main pipe 4 through the connecting flange 6, and the cross section of acid distributor main pipe 4 is the arch structure, and acid distributor main pipe 4 extends horizontally along the radial direction of absorption tower 7, and a plurality of acid distributor branch pipes 5 are arranged on the both sides of acid distributor main pipe 4 respectively, and acid distributor main pipe 4 is connected with acid distributor branch pipe 5 through the connecting flange, and the dismounting of acid distributor branch pipe 5 is convenient, and acid distributor branch pipe 5 is evenly spaced along the axial direction of acid distributor main pipe 4, and a plurality of groups of spraying ports 8 are arranged along the axial direction of acid distributor branch pipe 5 at the lower portion respectively, and spraying port 8 is staggered on the adjacent acid distributor branch pipe 5, and when working, starts the pump body, and acid liquid enters acid distributor main pipe 4 through acid inlet pipe 1, bend pipe 2 and inlet pipe 3 in turn, and the acid liquid in acid distributor main pipe 4 enters acid distributor branch pipe 5 and is evenly sprayed through spraying port 8, and the utility model discloses a high -efficient even spraying's acid distributor device, realizes the even spraying of sulfuric acid, improves the acid distribution effect of acid distributor, improves the absorption efficiency of sulfur trioxide gas, reduces the gas resistance in tower and reduces energy consumption.

[0019] As an optional design, preferably the high -efficient even spraying's acid distributor device, each group of spraying port 8 includes two symmetrical nozzles, the nozzle is nozzle A 8.1 and nozzle B 8.2 respectively, nozzle A 8.1 and nozzle B 8.2 are arranged on the both sides of the lower portion of acid distributor branch pipe 5 respectively, and the included angle between nozzle A 8.1 and nozzle B 8.2 is equal to 110-130 degrees, so that sulfuric acid is dispersed and falls on both sides of acid distributor branch pipe 5, even spraying is realized, and the sprayed acid liquid can cover the entire packing in absorption tower 7.

[0020] As an optional design, preferably the high -efficient even spraying's acid distributor device, the included angle between nozzle A 8.1 and nozzle B 8.2 is equal to 120 degrees, so that sulfuric acid is dispersed and falls on both sides of acid distributor branch pipe 5, even spraying is realized, and the sprayed acid liquid can cover the entire packing in absorption tower 7.

[0021] As an optional design, preferably the high -efficient even spraying's acid distributor device, the both ends of acid distributor main pipe 4 are fixedly connected with sealing end plate respectively, the tail ends of acid distributor branch pipe 5 are fixedly connected with sealing end plate respectively, and the sealing end plate is fixedly connected with the inner wall of absorption tower 7 respectively.

[0022] The working process of the utility model is as follows:

[0023] The acid pump arranged outside the absorption tower 7 is started, and the acid liquid enters the acid distribution main pipe 4 in sequence through the acid inlet pipe 1, the elbow pipe 2 and the inlet receiving pipe 3, and the acid liquid in the acid distribution main pipe 4 is evenly sprayed through the nozzle A 8.1 and the nozzle B 8.2 after entering the acid distribution branch pipe 5, the acid distributor device with efficient and uniform spraying of the utility model realizes uniform spraying of sulfuric acid, improves the acid distribution effect of the acid distributor, improves the absorption efficiency of sulfur trioxide gas, reduces the gas resistance in the tower and reduces the energy consumption.

[0024] The above description is only the application implementation manner of the utility model, but the protection scope of the utility model is not limited to this, and the right scope of the utility model cannot be limited by this, and any equivalent change according to the technical scheme of the utility model should be covered in the protection scope of the utility model.

Claims

1. A high efficiency uniform spraying acid distributor device comprising an absorption tower, characterized in that: The upper part of the absorption tower is provided with an acid inlet pipe penetrating the wall of the absorption tower, the liquid inlet end of the acid inlet pipe is connected with an acid pump arranged outside the absorption tower, the liquid outlet end of the acid inlet pipe extends into the absorption tower and is connected with the upper end of an inlet receiving pipe through an elbow, the lower end of the inlet receiving pipe is connected with the top of a main acid distribution pipe through a connecting flange, the main acid distribution pipe extends horizontally along the radial direction of the absorption tower, a plurality of acid distribution branch pipes are arranged on both sides of the main acid distribution pipe, the acid distribution branch pipes are uniformly and spacedly arranged along the axial direction of the main acid distribution pipe, and a plurality of groups of spray nozzles are arranged on the lower part of the acid distribution branch pipes along the axial direction.

2. The high efficiency uniform spraying acid distributor device according to claim 1, characterized in that: Each group of spray nozzles comprises two symmetrical spray nozzles arranged on both sides of the lower part of the acid distribution branch pipe, and the included angle between the two spray nozzles is equal to 110-130 degrees.

3. The high efficiency uniform spraying acid distributor device according to claim 2, characterized in that: The included angle between the two spray nozzles is equal to 120 degrees.

4. The high efficiency uniform spraying acid distributor device according to claim 3, characterized in that: Sealing end plates are fixedly connected to both ends of the main acid distribution pipe.

5. The high efficiency uniform spraying acid distributor device of claim 3, wherein: Sealing end plates are fixedly connected to the ends of the acid distribution branch pipes.

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