High-purity sulfuric acid production absorption tower circulating tank

Abstract

The utility model relates to a circulating tank of an absorption tower for producing high-purity sulfuric acid, which belongs to the technical field of chemical production, and comprises an absorption tower, a circulating tank, a sulfuric acid input pipe and a first valve, a temperature control structure is arranged in the absorption tower, and the temperature control structure comprises a water pump fixedly arranged on the outer wall of the top of the absorption tower; and an output pipe is fixedly installed at the water outlet end of the water pump, a second valve is fixedly installed on the peripheral wall of the output pipe, and a communicating pipe is fixedly installed on the peripheral wall of the output pipe. According to the high-purity sulfuric acid production absorption tower circulating tank, sulfuric acid is guided under the action of the guide seat to make contact with water, the exothermic reaction speed is controlled, formation of acid mist is reduced, hot gas generated by contact of the sulfuric acid and the water moves rightwards under the action of the fan, the hot gas makes contact with the heat dissipation ring and the heat absorption copper ring, gas heat is rapidly reduced, and the heat dissipation efficiency is improved. Therefore, the forming amount of the acid mist is greatly reduced, the influence of the acid mist on equipment is greatly reduced, and the production quality of sulfuric acid is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a chemical production technical field, concretely is a kind of high purity sulfuric acid production absorption tower circulating tank. BACKGROUND

[0002] High purity sulfuric acid production absorption tower circulating tank is a key component in sulfuric acid production device, mainly used for the storage and adjustment of water and sulfuric acid mixed liquid circulating in absorption tower. The circulating tank continuously circulates the mixed liquid, so that SO3 (sulfur trioxide) gas is efficiently absorbed in the absorption tower and converted into sulfuric acid, thereby realizing the production of high-purity sulfuric acid. The design of circulating tank considers corrosion resistance and operational stability, ensuring the continuity of sulfuric acid production process and the high purity of product.

[0003] Currently, water and sulfuric acid will react violently after contact, and a large amount of heat will be released. These heat will concentrate in the interior of the equipment and form acid mist. Acid mist has strong corrosive properties, which can accelerate the corrosion of absorption tower, circulating tank and other related equipment, shorten the service life of the equipment, increase maintenance cost and downtime, and at the same time, the formation of acid mist can cause water and impurities to be mixed into sulfuric acid, affecting the purity of sulfuric acid and reducing product quality. Therefore, a high purity sulfuric acid production absorption tower circulating tank is proposed. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a high purity sulfuric acid production absorption tower circulating tank, which has the advantages of reducing the influence on the equipment and improving the quality of the product, solves the problems of shortening the service life of the equipment, increasing the maintenance cost and downtime, affecting the purity of sulfuric acid and reducing the product quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high purity sulfuric acid production absorption tower circulating tank, comprising an absorption tower, a circulating tank, a sulfuric acid input pipe and a first valve, the inside of the absorption tower is provided with a temperature control structure;

[0006] The temperature control structure comprises a water pump fixedly installed on the top outer wall of the absorption tower, the water outlet end of the water pump is fixedly installed with an output pipe, the outer peripheral wall of the output pipe is fixedly installed with a second valve, the outer peripheral wall of the output pipe is fixedly installed with a communication pipe, the outer peripheral wall of the communication pipe is fixedly installed with a third valve, one end of the communication pipe away from the output pipe is fixedly installed with a flow dividing disc, the outer peripheral wall of the flow dividing disc is fixedly installed with four flow dividing pipes, one side of the flow dividing pipe away from the flow dividing disc is fixedly installed with a heat dissipation ring, the bottom outer wall of the heat dissipation ring is fixedly installed with two connecting rods, and the bottom outer wall of the connecting rod is fixedly installed with a heat-absorbing copper ring.

[0007] Further, the bottom inner wall of the absorption tower is fixedly installed with a flow guide seat, an inclined guide groove is formed in the flow guide seat, the flow guide seat is fixedly installed on the left side of the circulating groove, the flow guide seat is located directly above the sulfuric acid input pipe, and the lowest height of the inclined guide groove is the same as the height of the bottom inner wall of the circulating groove.

[0008] Further, the left side outer wall of the absorption tower is fixedly installed with an air inlet seat, a fan is fixedly installed in the air inlet seat, and a dustproof net is fixedly installed in the air inlet seat.

[0009] Further, the left side wall of the absorption tower is provided with an air inlet, the air inlet seat is installed at the air inlet, the air inlet seat is installed at an inclined angle and inclines to the lower left, the top of the absorption tower is provided with an air outlet, and the air inlet end of the gas purification box is communicated with the air outlet.

[0010] Further, the output pipe and the communication pipe both penetrate the top of the absorption tower and extend into the interior of the absorption tower, the top of the heat dissipation ring is fixedly installed with a discharge pipe, and the discharge pipe penetrates the top of the absorption tower and extends to the outside.

[0011] Further, the diameter of the heat dissipation ring is the same as the diameter of the heat absorption copper ring.

[0012] Further, the circulating groove is fixedly installed on the bottom inner wall of the absorption tower, the sulfuric acid input pipe is fixedly installed in the interior of the absorption tower, and the first valve is fixedly installed on the outer peripheral wall of the sulfuric acid input pipe.

[0013] Further, the outer peripheral wall of the communication pipe is fixedly installed with a temperature detection table.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] The high-purity sulfuric acid production absorption tower circulating groove controls the speed of the exothermic reaction by guiding the flow of sulfuric acid through the flow guide seat to contact water, reduces the formation of acid mist, moves the hot gas generated by the contact of sulfuric acid and water through the fan to the right side, contacts the hot gas with the heat dissipation ring and the heat absorption copper ring, rapidly reduces the gas heat, thereby greatly reducing the formation amount of acid mist and the influence of acid mist on equipment, and improving the quality of sulfuric acid production. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a top view structural schematic view of the heat dissipation ring of the utility model;

[0018] Fig. 3The utility model discloses a circulating tank and guide seat connection structure schematic view.

[0019] In the drawing,

[0020] 1, absorption tower;2, circulating tank;3, sulfuric acid input pipe;4, first valve;5, water pump;6, output pipe;7, second valve;8, communication pipe;9, third valve;10, shunt disc;11, shunt pipe;12, heat dissipation ring;13, connecting rod;14, heat absorption copper ring;15, guide seat;16, air inlet seat;17, fan;18, dust screen;19, guide plate;20, gas purification box;21, discharge pipe. DETAILED DESCRIPTION

[0021] The utility model discloses an embodiment will combine the drawing in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment only is a part of embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor are within the range of the utility model protection.

[0022] Embodiment one, please refer to Figs. 1 to 3 The utility model discloses a kind of high-purity sulfuric acid production absorption tower circulating tank in the embodiment, including absorption tower 1, circulating tank 2, sulfuric acid input pipe 3 and first valve 4, the inside of absorption tower 1 is equipped with temperature control structure.

[0023] Circulating tank 2 is fixedly installed in the bottom inner wall of absorption tower 1, sulfuric acid input pipe 3 is fixedly installed in the inside of absorption tower 1, and first valve 4 is fixedly installed in the outer peripheral wall of sulfuric acid input pipe 3.

[0024] Temperature control structure includes water pump 5 fixedly installed in the top outer wall of absorption tower 1, the water outlet of water pump 5 is fixedly installed with output pipe 6, the outer peripheral wall of output pipe 6 is fixedly installed with second valve 7, the outer peripheral wall of output pipe 6 is fixedly installed with communication pipe 8, the outer peripheral wall of communication pipe 8 is fixedly installed with third valve 9, one end of communication pipe 8 away from output pipe 6 is fixedly installed with shunt disc 10, the outer peripheral wall of shunt disc 10 is fixedly installed with four shunt pipes 11, one side of shunt pipe 11 away from shunt disc 10 is fixedly installed with heat dissipation ring 12, and output pipe 6 and communication pipe 8 all penetrate the top of absorption tower 1 and extend to the inside of absorption tower 1, the top of heat dissipation ring 12 is fixedly installed with discharge pipe 21, discharge pipe 21 penetrates the top of absorption tower 1 and extends to outside, the bottom outer wall of heat dissipation ring 12 is fixedly installed with two connecting rods 13, the bottom outer wall of connecting rod 13 is fixedly installed with heat absorption copper ring 14, and the diameter of heat dissipation ring 12 is same with the diameter of heat absorption copper ring 14.

[0025] The bottom inner wall of the absorption tower 1 is fixedly provided with a flow guide seat 15, an inclined guide groove is formed in the flow guide seat 15, the flow guide seat 15 is fixedly provided on the left side of the circulating groove 2, the flow guide seat 15 is located directly above the sulfuric acid input pipe 3, and the lowest height of the inclined guide groove is the same as the height of the bottom inner wall of the circulating groove 2.

[0026] The left outer wall of the absorption tower 1 is fixedly provided with an air inlet seat 16, a fan 17 is fixedly provided in the air inlet seat 16, a dust screen 18 is fixedly provided in the air inlet seat 16, a gas purification box 20 is fixedly provided on the top inner wall of the absorption tower 1, an air inlet is formed in the left side wall of the absorption tower 1, the air inlet seat 16 is arranged at the air inlet, the air inlet seat 16 is arranged at an inclined angle and inclines to the left and downward, an air outlet is formed in the top of the absorption tower 1, and the air inlet end of the gas purification box 20 is communicated with the air outlet.

[0027] In the embodiment, the corrosion gas is guided by the guide plate 19, so that the corrosion gas is introduced into the gas purification box 20 and purified.

[0028] In the embodiment, the fan 17 generates a small amount of air, and the main function is to push the high-temperature gas to move to the right, so that the high-temperature gas is prevented from being in contact with the heat dissipation ring 12 and the heat absorption copper ring 14 for a short time due to a large amount of air.

[0029] In the embodiment, the fan 17 generates a small amount of air, and the main function is to push the high-temperature gas to move to the right, so that the high-temperature gas is prevented from being in contact with the heat dissipation ring 12 and the heat absorption copper ring 14 for a short time due to a large amount of air.

[0030] In the embodiment, the water inlet pipe is arranged on the water inlet end of the water pump 5.

[0031] The working principle of the above embodiment is as follows:

[0032] First, the water pump 5 inputs water into the circulating groove 2 through the output pipe 6, and the second valve 7 controls the flow of the water, then the first valve 4 is opened, the sulfuric acid falls on the flow guide seat 15 through the sulfuric acid input pipe 3, at this time, the flow guide seat 15 guides the sulfuric acid into the circulating groove 2 and contacts with the water, at this time, a large amount of hot gas is generated, at this time, the fan 17 is started to push the hot gas from left to right, at this time, the hot gas contacts with the heat dissipation ring 12 and the heat absorption copper ring 14 and greatly reduces the temperature of the hot gas, then the guide plate 19 limits the hot gas and makes the hot gas enter into the gas purification box 20, and the third valve 9 constantly replaces the water in the heat dissipation ring 12 to ensure the absorption of heat.

[0033] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0034] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A high purity sulfuric acid production absorption tower circulating tank, comprising an absorption tower (1), a circulating tank (2), a sulfuric acid input pipe (3) and a first valve (4), characterized in that: The inside of the absorption tower (1) is provided with a temperature control structure; The temperature control structure comprises a water pump (5) fixedly installed on the top outer wall of the absorption tower (1), a water outlet end of the water pump (5) is fixedly provided with an output pipe (6), an outer peripheral wall of the output pipe (6) is fixedly provided with a second valve (7), the outer peripheral wall of the output pipe (6) is fixedly provided with a communication pipe (8), the outer peripheral wall of the communication pipe (8) is fixedly provided with a third valve (9), one end of the communication pipe (8) away from the output pipe (6) is fixedly provided with a shunt disc (10), the outer peripheral wall of the shunt disc (10) is fixedly provided with four shunt pipes (11), one side of the shunt pipe (11) away from the shunt disc (10) is fixedly provided with a heat dissipation ring (12), the bottom outer wall of the heat dissipation ring (12) is fixedly provided with two connecting rods (13), and the bottom outer wall of the connecting rod (13) is fixedly provided with a heat-absorbing copper ring (14).

2. The circulating tank of the absorption tower for producing high-purity sulfuric acid according to claim 1, characterized in that: The bottom inner wall of the absorption tower (1) is fixedly provided with a flow guide seat (15), an inclined guide groove is formed in the inside of the flow guide seat (15), the flow guide seat (15) is fixedly installed on the left side of the circulating groove (2), the flow guide seat (15) is located directly above the sulfuric acid input pipe (3), and the lowest height of the inclined guide groove is the same as the height of the bottom inner wall of the circulating groove (2).

3. The circulating tank of the absorption tower for producing high-purity sulfuric acid according to claim 1, characterized in that: The left side outer wall of the absorption tower (1) is fixedly provided with an air inlet seat (16), the inside of the air inlet seat (16) is fixedly provided with a fan (17), and the inside of the air inlet seat (16) is fixedly provided with a dustproof net (18).

4. The circulating tank of the absorption tower for producing high-purity sulfuric acid according to claim 3, characterized in that: The left side wall of the absorption tower (1) is provided with an air inlet, the air inlet seat (16) is installed at the air inlet, the air inlet seat (16) is installed at an inclined angle and inclines to the lower left, the top of the absorption tower (1) is provided with an air outlet, and the air inlet end of the gas purification box (20) is in communication with the air outlet.

5. The circulating tank of the absorption tower for producing high-purity sulfuric acid according to claim 1, characterized in that: The output pipe (6) and the communication pipe (8) both penetrate through the top of the absorption tower (1) and extend into the inside of the absorption tower (1), the top of the heat dissipation ring (12) is fixedly provided with a discharge pipe (21), and the discharge pipe (21) penetrates through the top of the absorption tower (1) and extends to the outside.

6. The circulating tank of absorption tower for producing high-purity sulfuric acid according to claim 1, characterized in that: The diameter of the heat dissipation ring (12) is the same as the diameter of the heat-absorbing copper ring (14).

7. The circulating tank of absorption tower for producing high purity sulfuric acid according to claim 1, characterized in that: The circulating groove (2) is fixedly installed on the bottom inner wall of the absorption tower (1), the sulfuric acid input pipe (3) is fixedly installed in the inside of the absorption tower (1), and the first valve (4) is fixedly installed on the outer peripheral wall of the sulfuric acid input pipe (3).

8. The circulating tank of absorption tower for producing high purity sulfuric acid according to claim 1, characterized in that: The outer peripheral wall of the communication pipe (8) is fixedly provided with a temperature detection table.

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