CN214087724U

CN214087724U - Sulfuric acid production system

Info

Publication number: CN214087724U
Application number: CN202023033839.5U
Authority: CN
Inventors: 刘少博
Original assignee: Jiangxi Jill Chemical Technology Co ltd
Current assignee: Jiangxi Jill Chemical Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-31
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a sulphuric acid production technical field just discloses a sulphuric acid production system, including bottom plate and sulphuric acid cooler, sulphuric acid cooler's lower surface is fixed with the upper surface right side of bottom plate, sulphuric acid cooler's inside is provided with the cold runner, sulphuric acid cooler's left side is provided with coolant tank, coolant tank's lower surface and the last fixed surface of bottom plate, coolant tank's right side is fixed with the connecting pipe, the left end and the coolant tank of connecting pipe are linked together, the right-hand member of connecting pipe is fixed with circulating water pump. This sulphuric acid production system opens the motor and drives the driving pulley rotation, and the driving pulley passes through the belt and drives driven pulley rotation, and driven pulley rotation can make first absorber plate, second absorber plate and heat-absorbing rod stretch out partly in constantly following cooling water tank, through absorbing heat from cooling water tank, then makes the temperature of cooling water decline with outside gas exchange, makes the device cooling effect stable, satisfies the demand of sulphuric acid production.

Description

Sulfuric acid production system

Technical Field

The utility model relates to a sulphuric acid production technical field specifically is a sulphuric acid production system.

Background

Sulfuric acid is the most active strong, binary inorganic acid and reacts with many metals. The high-concentration sulfuric acid has strong water absorption and can be used as dehydrating agent, carbonized wood, paper, cotton-linen fabric, biological skin and meat and other substances containing carbohydrate. When mixed with water, a large amount of heat energy is also released. It is highly corrosive and oxidative and therefore used with caution. Is an important industrial raw material, can be used for manufacturing fertilizers, medicines, explosives, pigments, detergents, storage batteries and the like, and is also widely applied to industries of purifying petroleum, metal smelting, dyes and the like. Is commonly used as a chemical reagent and can be used as a dehydrating agent and a sulfonating agent in organic synthesis. Colorless viscous liquid, strong corrosiveness and pungent smell, and is easy to dissolve in water to generate dilute sulfuric acid. And in sulphuric acid production process, the cooler has absorbed a large amount of heats, needs in time to cool down, guarantees that the sulphuric acid cooler can continuous operation, consequently needs to cool down the sulphuric acid cooler through cooling device, and current cooling device cooling effect is unstable, can not satisfy the demand of sulphuric acid production.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art in the above-mentioned background art, the utility model aims to provide a sulphuric acid production system to the cooling device cooling effect of some sulphuric acid production systems on the existing market who proposes in solving above-mentioned background art is unstable, can not satisfy the problem of sulphuric acid production demand.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a sulfuric acid production system comprises a bottom plate and a sulfuric acid cooler, wherein the lower surface of the sulfuric acid cooler is fixed to the right side of the upper surface of the bottom plate, a cold runner is arranged inside the sulfuric acid cooler, a cooling water tank is arranged on the left side of the sulfuric acid cooler, the lower surface of the cooling water tank is fixed to the upper surface of the bottom plate, a connecting pipe is fixed to the right side of the cooling water tank, the left end of the connecting pipe is communicated with the cooling water tank, a circulating water pump is fixed to the right end of the connecting pipe, the right end of the connecting pipe is fixed to the input end of the circulating water pump, the right end of the connecting pipe is communicated with the input end of the circulating water pump, an inlet pipe is fixed to the output end of the circulating water pump, the left end of the inlet pipe is communicated with the output end of the circulating water pump, the right end of the inlet pipe is fixed to the left side of the sulfuric acid cooler, the right end of the inlet pipe is communicated with the cold runner in the sulfuric acid cooler, a water return pipe is fixed on the left side of the sulfuric acid cooler, the right end of the water return pipe is communicated with a cold runner in the sulfuric acid cooler, the left end of the water return pipe is fixed on the right side of the cooling water tank, and the left end of the water return pipe is communicated with the cooling water tank;

a motor is fixed on the left side of the cooling water tank, the motor is located at the bottom end of the left side of the cooling water tank, a driving belt wheel is fixed at the output end of the motor, a first heat absorption plate is arranged on the left side inside the cooling water tank, a second heat absorption plate is arranged on the right side inside the cooling water tank, a first rotating shaft is fixed in the middle of the left side of the first heat absorption plate, the left end of the first rotating shaft penetrates through the left side of the cooling water tank and is fixed with a driven belt wheel, the first rotating shaft is rotatably connected with the cooling water tank through a bearing, and the driven belt wheel is in transmission connection with the driving belt wheel through a belt;

a second rotating shaft is fixed in the middle of the right side of the second heat absorbing plate, the right end of the second rotating shaft is rotatably connected with the inner wall of the right side of the cooling water tank through a bearing, a plurality of heat absorbing rods are fixed between the first heat absorbing plate and the second heat absorbing plate, the peripheries of the plurality of heat absorbing rods are uniformly distributed between the first heat absorbing plate and the second heat absorbing plate, the left end of each heat absorbing rod is positioned at the right edge of the first heat absorbing plate, the right end of each heat absorbing rod is positioned at the left edge of the second heat absorbing plate, a plurality of radiating fins are fixed on the outer surface of each heat absorbing rod, the peripheries of the plurality of radiating fins are uniformly distributed on the outer surface of each heat absorbing rod, and the length of each radiating fin is smaller than that of each heat absorbing rod;

preferably, the left end of the connecting pipe is positioned at the bottom end of the right side of the cooling water tank, the lower surface of the circulating water pump is fixed with the upper surface of the bottom plate, and the connecting pipe is fixed at the bottom end of the cooling water tank, so that the connecting pipe can better pump cooling water at the bottom of the cooling water tank;

preferably, the wet return is located the rear of connecting pipe, the left end of wet return is located the bottom on cooling water tank right side, through fixing the wet return in cooling water tank's bottom, makes the wet return mix with the cooling water of cooling water tank bottom.

Preferably, the left side of driving pulley and the left side parallel and level of driven pulley, leave the clearance between the right side of driven pulley and cooling water tank's the left side, leave the clearance through leaving between the right side of driven pulley and cooling water tank's the left side, make driving pulley and driven pulley can be better transmit, avoid its rotation to make and produce the friction between the cooling water tank.

Furthermore, first pivot and the coaxial axle setting of second pivot, first pivot and second pivot all are located cooling water tank's upper portion, set up through the coaxial axle of first pivot and second pivot, make first pivot and second pivot pivoted more steady.

Furthermore, all seted up a plurality of round holes on first heat absorption plate and the second heat absorption plate, it is a plurality of round hole circumference evenly distributed is in first heat absorption plate and second heat absorption plate, and the left and right sides of first heat absorption plate and second heat absorption plate is all run through at the both ends of round hole, and the round hole can increase the area of contact of first heat absorption plate and second heat absorption plate and air to make the radiating effect of first heat absorption plate and second heat absorption plate better.

Furthermore, the first heat absorption plate and the second heat absorption plate are both circular, gaps are reserved between the lower surfaces of the first heat absorption plate and the second heat absorption plate and the inner bottom wall of the cooling water tank, and the first heat absorption plate and the second heat absorption plate can rotate better through the gaps reserved between the first heat absorption plate and the inner bottom wall of the cooling water tank, so that the first heat absorption plate and the second heat absorption plate are prevented from rubbing with the inner bottom wall of the cooling water tank in the rotating process.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: this sulphuric acid production system:

(1) the sulfuric acid production system is characterized in that a cooling water tank is filled with cooling water, a circulating water pump extracts the cooling water through a connecting pipe and sends the cooling water into a cold runner in a sulfuric acid cooler through a water inlet pipe, the cooling water absorbs heat and then flows back to the cooling water tank through a water return pipe, a motor is turned on to drive a driving belt wheel to rotate, the driving belt wheel drives a driven belt wheel to rotate through belt transmission, the driven belt wheel drives a first rotating shaft to rotate, the first rotating shaft is rotatably connected with the cooling water tank through a bearing to enable a first heat absorbing plate to rotate, the first heat absorbing plate drives a second heat absorbing plate to rotate through a heat absorbing rod, the second heat absorbing plate drives a second rotating shaft to rotate, at the moment, the first heat absorbing plate, the second heat absorbing plate and the heat absorbing rod continuously extend out of a part from the cooling water tank, the temperature of the cooling water is reduced through heat absorption from the cooling water tank and exchange with external gas, and the cooling effect of the device is stable, meeting the requirement of sulfuric acid production.

(2) This sulphuric acid production system sets up the fin and can help the heat absorption pole heat dissipation, makes the heat absorption pole can absorb more heats, and the round hole on first heat absorption board and the second heat absorption board makes the radiating effect of first heat absorption board and second heat absorption board better.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the sulfuric acid production system of the present invention;

FIG. 2 is a schematic top view of the sulfuric acid production system of the present invention;

FIG. 3 is a schematic left-side view of the sulfuric acid production system of the present invention;

FIG. 4 is a schematic structural view of a cooling water tank of the sulfuric acid production system of the present invention;

FIG. 5 is a schematic view of the internal structure of the cooling water tank of the sulfuric acid production system of the present invention;

FIG. 6 is a schematic structural view of a first heat absorption plate of the sulfuric acid production system of the present invention;

fig. 7 is a schematic structural view of the heat absorbing rod of the sulfuric acid production system of the present invention.

In the figure: 1. a base plate; 2. a sulfuric acid cooler; 3. a cooling water tank; 4. a connecting pipe; 5. a water circulating pump; 6. a water inlet pipe; 7. a water return pipe; 8. a motor; 9. a driving pulley; 10. a first heat absorption plate; 11. a second absorber plate; 12. a first rotating shaft; 13. a driven pulley; 14. a belt; 15. a second rotating shaft; 16. a heat absorbing rod; 17. a heat sink; 18. a circular hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a sulfuric acid production system; comprises a bottom plate 1, a sulfuric acid cooler 2, a cooling water tank 3, a connecting pipe 4, a circulating water pump 5, a water inlet pipe 6, a water return pipe 7, a motor 8, a driving belt wheel 9, a first heat absorption plate 10, a second heat absorption plate 11, a first rotating shaft 12, a driven belt wheel 13, a belt 14, a second rotating shaft 15, a heat absorption rod 16, a radiating fin 17 and a round hole 18, wherein the lower surface of the sulfuric acid cooler 2 is fixed with the right side of the upper surface of the bottom plate 1, a cold runner is arranged inside the sulfuric acid cooler 2, the cooling water tank 3 is arranged on the left side of the sulfuric acid cooler 2, the lower surface of the cooling water tank 3 is fixed with the upper surface of the bottom plate 1, the connecting pipe 4 is fixed on the right side of the cooling water tank 3, the left end of the connecting pipe 4 is communicated with the cooling water tank 3, the circulating water pump 5 is fixed on the right end of the connecting pipe 4, the right end of the connecting pipe 4 is fixed with the input end of the circulating water pump 5, the right end of the connecting pipe 4 is communicated with the input end of the circulating water pump 5, a water inlet pipe 6 is fixed at the output end of the circulating water pump 5, the left end of the water inlet pipe 6 is communicated with the output end of the circulating water pump 5, the right end of the water inlet pipe 6 is fixed with the left side of the sulfuric acid cooler 2, the right end of the water inlet pipe 6 is communicated with a cold runner in the sulfuric acid cooler 2, a water return pipe 7 is fixed at the left side of the sulfuric acid cooler 2, the right end of the water return pipe 7 is communicated with the cold runner in the sulfuric acid cooler 2, the left end of the water return pipe 7 is fixed with the right side of the cooling water tank 3, the cooling water tank 3 is filled with cooling water, the circulating water pump 5 extracts the cooling water through a connecting pipe 4 and sends the cooling water into the cold runner in the sulfuric acid cooler 2 through the water inlet pipe 6, and the cooling water flows back to the cooling water tank 3 through the water return pipe 7 after absorbing heat;

a motor 8 is fixed on the left side of the cooling water tank 3, the motor 8 is positioned at the bottom end of the left side of the cooling water tank 3, a driving belt wheel 9 is fixed at the output end of the motor 8, a first heat absorption plate 10 is arranged on the left side inside the cooling water tank 3, a second heat absorption plate 11 is arranged on the right side inside the cooling water tank 3, a first rotating shaft 12 is fixed in the middle of the left side of the first heat absorption plate 10, the left end of the first rotating shaft 12 penetrates through the left side of the cooling water tank 3 and is fixed with a driven belt wheel 13, the first rotating shaft 12 is rotatably connected with the cooling water tank 3 through a bearing, the driven belt wheel 13 is in transmission connection with the driving belt wheel 9 through a belt 14, the motor 8 is started to drive the driving belt wheel 9 to rotate, the driving belt wheel 9 drives the driven belt wheel 13 to rotate through the transmission of the belt 14, the driven belt wheel 13 drives the first rotating shaft 12 to rotate, and the first rotating shaft 12 is rotationally connected with the cooling water tank 3 through a bearing to enable the first heat absorption plate 10 to rotate;

a second rotating shaft 15 is fixed in the middle of the right side of the second heat absorbing plate 11, the right end of the second rotating shaft 15 is rotatably connected with the inner wall of the right side of the cooling water tank 3 through a bearing, a plurality of heat absorbing rods 16 are fixed between the first heat absorbing plate 10 and the second heat absorbing plate 11, the plurality of heat absorbing rods 16 are evenly distributed between the first heat absorbing plate 10 and the second heat absorbing plate 11 in the circumferential direction, the left end of each heat absorbing rod 16 is located at the right edge of the first heat absorbing plate 10, the right end of each heat absorbing rod 16 is located at the left edge of the second heat absorbing plate 11, the first heat absorbing plate 10 drives the second heat absorbing plate 11 to rotate through the heat absorbing rods 16, the second heat absorbing plate 11 drives the second rotating shaft 15 to rotate, at the moment, parts of the first heat absorbing plate 10, the second heat absorbing plate 11 and the heat absorbing rods 16 continuously extend out of the cooling water tank 3, heat is absorbed from the cooling water tank 3 and then exchanges with the outside air to lower the temperature of the cooling water, so that the cooling effect of the device is stable, the requirement of sulfuric acid production is met, a plurality of radiating fins 17 are fixed on the outer surface of the heat absorption rod 16, the plurality of radiating fins 17 are uniformly distributed on the outer surface of the heat absorption rod 16 in the circumferential direction, the length of each radiating fin 17 is smaller than that of the heat absorption rod 16, and the radiating fins 17 are arranged to help the heat absorption rod 16 to radiate heat, so that the heat absorption rod 16 can absorb more heat;

as an optimal technical solution of the utility model: the left end of the connecting pipe 4 is positioned at the bottom end of the right side of the cooling water tank 3, the lower surface of the circulating water pump 5 is fixed with the upper surface of the bottom plate 1, and the connecting pipe 4 is fixed at the bottom end of the cooling water tank 3, so that the connecting pipe 4 can better pump cooling water at the bottom of the cooling water tank 3;

as an optimal technical solution of the utility model: the water return pipe 7 is positioned behind the connecting pipe 4, the left end of the water return pipe 7 is positioned at the bottom end of the right side of the cooling water tank 3, and the water return pipe 7 is fixed at the bottom end of the cooling water tank 3, so that the water return pipe 7 can be mixed with cooling water at the bottom of the cooling water tank 3;

as an optimal technical solution of the utility model: the left side of the driving pulley 9 is flush with the left side of the driven pulley 13, a gap is reserved between the right side of the driven pulley 13 and the left side of the cooling water tank 3, and the driving pulley 9 and the driven pulley 13 can be better driven by the clearance reserved between the right side of the driven pulley 13 and the left side of the cooling water tank 3, so that friction between the driving pulley 9 and the cooling water tank 3 caused by rotation of the driving pulley and the cooling water tank is avoided;

as an optimal technical solution of the utility model: the first rotating shaft 12 and the second rotating shaft 15 are coaxially arranged, the first rotating shaft 12 and the second rotating shaft 15 are both positioned at the upper part of the cooling water tank 3, and the first rotating shaft 12 and the second rotating shaft 15 are coaxially arranged, so that the first rotating shaft 12 and the second rotating shaft 15 rotate more stably;

as an optimal technical solution of the utility model: the first heat absorption plate 10 and the second heat absorption plate 11 are both provided with a plurality of round holes 18, the round holes 18 are circumferentially and uniformly distributed on the first heat absorption plate 10 and the second heat absorption plate 11, two ends of each round hole 18 penetrate through the left side and the right side of the first heat absorption plate 10 and the second heat absorption plate 11, and the round holes 18 can increase the contact area between the first heat absorption plate 10 and the air and between the second heat absorption plate 11 and the air, so that the heat dissipation effect of the first heat absorption plate 10 and the second heat absorption plate 11 is better;

as an optimal technical solution of the utility model: the first heat absorption plate 10 and the second heat absorption plate 11 are both circular, a gap is reserved between the lower surfaces of the first heat absorption plate 10 and the second heat absorption plate 11 and the inner bottom wall of the cooling water tank 3, and the first heat absorption plate 10 and the second heat absorption plate 11 rotate better through the gap reserved between the first heat absorption plate 10 and the inner bottom wall of the cooling water tank 3, so that the first heat absorption plate 10 and the second heat absorption plate 11 are prevented from rubbing with the inner bottom wall of the cooling water tank 3 in the rotating process.

The working principle of the embodiment is as follows: when the sulfuric acid production system is used, as shown in fig. 1-7, the device integrally comprises a bottom plate 1, a sulfuric acid cooler 2, a cooling water tank 3, a connecting pipe 4, a circulating water pump 5, a water inlet pipe 6, a water return pipe 7, a motor 8, a driving pulley 9, a first heat absorption plate 10, a second heat absorption plate 11, a first rotating shaft 12, a driven pulley 13, a belt 14, a second rotating shaft 15, a heat absorption rod 16, a heat radiation fin 17 and a round hole 18, when the device is used, cooling water is filled in the cooling water tank 3 at first, the circulating water pump 5 pumps the cooling water through the connecting pipe 4 and sends the cooling water into a cold flow channel in the sulfuric acid cooler 2 through the water inlet pipe 6, the cooling water flows back to the cooling water tank 3 through the water return pipe 7 after absorbing heat, then the motor 8 is opened to drive the driving pulley 9 to rotate, the driving pulley 9 drives the driven pulley 13 to rotate through the belt 14, the driven pulley 13 drives the first rotating shaft 12 to rotate, the first rotating shaft 12 is rotatably connected with the cooling water tank 3 through a bearing to enable the first heat absorption plate 10 to rotate, the first heat absorption plate 10 drives the second heat absorption plate 11 to rotate through the heat absorption rod 16, the second heat absorption plate 11 drives the second rotating shaft 15 to rotate, at the moment, the first heat absorption plate 10, the second heat absorption plate 11 and the heat absorption rod 16 continuously extend out of a part of the cooling water tank 3, and by absorbing heat from the cooling water tank 3, then exchange with the external gas to reduce the temperature of the cooling water, thereby stabilizing the cooling effect of the device, meeting the requirement of sulfuric acid production, meanwhile, the heat dissipation fins 17 can help the heat absorption rod 16 to dissipate heat, so that the heat absorption rod 16 can absorb more heat, the round holes 18 on the first heat absorption plate 10 and the second heat absorption plate 11 can make the heat dissipation effect of the first heat absorption plate 10 and the second heat absorption plate 11 better, the above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.

The electrical components presented therein may be electrically connected to an external controller, and the controller may be electrically connected to an external 220V commercial power, and the controller may be a conventional known device for controlling a computer or the like.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "set", "mounted", "connected", "fixed", and the like are to be interpreted broadly, and may be, for example, either fixedly connected or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art; it will be appreciated by those skilled in the art that modifications may be made to the above-described embodiments, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and the like which fall within the spirit and scope of the present invention may be resorted to.

Claims

1. A sulfuric acid production system comprises a bottom plate (1) and a sulfuric acid cooler (2), and is characterized in that the lower surface of the sulfuric acid cooler (2) is fixed to the right side of the upper surface of the bottom plate (1), a cold runner is arranged inside the sulfuric acid cooler (2), a cooling water tank (3) is arranged on the left side of the sulfuric acid cooler (2), the lower surface of the cooling water tank (3) is fixed to the upper surface of the bottom plate (1), a connecting pipe (4) is fixed to the right side of the cooling water tank (3), the left end of the connecting pipe (4) is communicated with the cooling water tank (3), a circulating water pump (5) is fixed to the right end of the connecting pipe (4), the right end of the connecting pipe (4) is fixed to the input end of the circulating water pump (5), the right end of the connecting pipe (4) is communicated with the input end of the circulating water pump (5), and an water inlet pipe (6) is fixed to the output end of the, the left end of the water inlet pipe (6) is communicated with the output end of the circulating water pump (5), the right end of the water inlet pipe (6) is fixed to the left side of the sulfuric acid cooler (2), the right end of the water inlet pipe (6) is communicated with a cold runner in the sulfuric acid cooler (2), a water return pipe (7) is fixed to the left side of the sulfuric acid cooler (2), the right end of the water return pipe (7) is communicated with the cold runner in the sulfuric acid cooler (2), the left end of the water return pipe (7) is fixed to the right side of the cooling water tank (3), and the left end of the water return pipe (7) is communicated with the cooling water tank (3);

a motor (8) is fixed on the left side of the cooling water tank (3), the motor (8) is located at the bottom end of the left side of the cooling water tank (3), a driving pulley (9) is fixed at the output end of the motor (8), a first heat absorption plate (10) is arranged on the left side inside the cooling water tank (3), a second heat absorption plate (11) is arranged on the right side inside the cooling water tank (3), a first rotating shaft (12) is fixed in the middle of the left side of the first heat absorption plate (10), the left end of the first rotating shaft (12) penetrates through the left side of the cooling water tank (3) and is fixed with a driven pulley (13), the first rotating shaft (12) is rotatably connected with the cooling water tank (3) through a bearing, and the driven pulley (13) is in transmission connection with the driving pulley (9) through a belt (14);

a second rotating shaft (15) is fixed in the middle of the right side of the second heat absorbing plate (11), the right end of the second rotating shaft (15) is rotatably connected with the inner wall of the right side of the cooling water tank (3) through a bearing, a plurality of heat absorption rods (16) are fixed between the first heat absorption plate (10) and the second heat absorption plate (11), the plurality of heat absorption rods (16) are uniformly distributed between the first heat absorption plate (10) and the second heat absorption plate (11) in the circumferential direction, the left end of the heat absorption rod (16) is positioned at the right side edge of the first heat absorption plate (10), the right end of the heat absorption rod (16) is positioned at the left edge of the second heat absorption plate (11), the outer surface of the heat absorption rod (16) is fixed with a plurality of radiating fins (17), the plurality of radiating fins (17) are uniformly distributed on the outer surface of the heat absorption rod (16) in the circumferential direction, and the length of each radiating fin (17) is smaller than that of the heat absorption rod (16).

2. A sulfuric acid production system according to claim 1, characterized in that the left end of the connecting pipe (4) is located at the bottom end of the right side of the cooling water tank (3), and the lower surface of the circulating water pump (5) is fixed with the upper surface of the bottom plate (1).

3. A sulfuric acid production system according to claim 1, characterized in that the water return pipe (7) is located behind the connecting pipe (4), and the left end of the water return pipe (7) is located at the bottom end of the right side of the cooling water tank (3).

4. A sulfuric acid production system according to claim 1, characterized in that the left side of the driving pulley (9) is flush with the left side of the driven pulley (13), leaving a gap between the right side of the driven pulley (13) and the left side of the cooling water tank (3).

5. A sulphuric acid production system according to claim 1, characterized in that the first (12) and second (15) shafts are arranged coaxially, the first (12) and second (15) shafts being located in the upper part of the cooling water tank (3).

6. A sulfuric acid production system according to claim 1, wherein the first heat absorbing plate (10) and the second heat absorbing plate (11) are both provided with a plurality of circular holes (18), and the plurality of circular holes (18) are circumferentially and uniformly distributed on the first heat absorbing plate (10) and the second heat absorbing plate (11).

7. A sulfuric acid production system according to claim 1, characterized in that the first heat absorbing plate (10) and the second heat absorbing plate (11) are both circular in shape, and a gap is left between the lower surfaces of the first heat absorbing plate (10) and the second heat absorbing plate (11) and the inner bottom wall of the cooling water tank (3).