Acid gas purification device

Abstract

The utility model relates to the technical field of purification devices, and discloses an acid gas purification device which comprises a purification box, a partition hollow plate is fixedly connected to the middle of the inner wall of the purification box and divides the interior of the purification box into a first cavity and a second cavity, and a rotating shaft is rotationally connected to the bottom of the inner wall of the first cavity and penetrates through the purification box; a plurality of stirring blades are fixedly connected to the outer wall of the rotating shaft, a plurality of connecting columns are fixedly connected to the outer side, corresponding to the rotating shaft, of the top end of the purifying box, and a circular box is fixedly connected to the top ends of the connecting columns; through structures such as a communicating hole, a second cavity, a connecting pipe, a three-way pipe, a separation hollow plate, a blocking hollow plate and an output hole, acid gas can be heated and dried, moisture in the acid gas is removed, and therefore the effect that an acid gas pipeline can be prevented from being corroded can be achieved, and the problems that in the using process of a traditional device, gas cannot be heated and dried, and the service life of the device is affected are solved. And parts are corroded by water.

Description

TECHNICAL FIELD

[0001] The utility model relates to purifying device technical field, concretely is a kind of acid gas purification device. BACKGROUND

[0002] The desulfurization device of the three-vehicle workshop is divided into two systems, and the acid gas after the vacuum pump is sent to the Claus furnace of sulfur recovery device through the one and two system two acid gas pipelines by pressurization through the vacuum pump, because the acid gas pipeline after the vacuum pump is long and no gas-liquid separation device is designed, no liquid is discharged along the line, so that the water vapor and impurities content entrained in the acid gas are more, causing the acid gas pressure after the vacuum pump to be higher, and the acid gas pressure after the vacuum pump is continuously high.

[0003] A waste gas deacidification purification device is provided in Chinese patent with publication number CN220310067U, which includes a bottom bin, a deacidification tower is fixed on the upper end face of the bottom bin, a gas inlet pipe is embedded on one side of the lower end of the deacidification tower, an exhaust pipe is embedded on the upper end face of the deacidification tower, a plurality of activated carbon gas filter nets are installed at equal intervals in the inner cavity of the deacidification tower, a plurality of pipe networks are installed in the inner cavity of the deacidification tower, and a plurality of spray heads are installed on the lower end face of the pipe networks.

[0004] The above-mentioned device can effectively purify the acidic particulate impurities in the gas and improve the gas filtration effect by filtering the waste gas multiple times through the activated carbon gas filter net and spraying, and the spraying water can be used multiple times, thereby effectively reducing the spraying water cost, but the reaction rate of the substances in the acid gas cannot be accelerated during use, resulting in the need for more time during the purification process, and the gas cannot be heated and dried, resulting in the corrosion of the parts by water. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an acid gas purification device to solve the problem that the reaction rate of the substances in the acid gas cannot be accelerated during use of the existing device, resulting in the need for more time during the purification process, and the gas cannot be heated and dried, resulting in the corrosion of the parts by water.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an acid gas purification device, comprising a purification tank, a partition hollow plate is fixedly connected to the inner wall of the purification tank, the partition hollow plate divides the inner part of the purification tank into a first cavity and a second cavity, a rotating shaft is rotatably connected to the inner wall bottom of the first cavity and penetrates the purification tank, a plurality of stirring blades are fixedly connected to the outer wall of the rotating shaft, a plurality of connecting columns are fixedly connected to the outer side of the rotating shaft corresponding to the top end of the purification tank, a circular tank is fixedly connected to the top end of the plurality of connecting columns, a square cylinder is fixedly connected to the outer wall of the circular tank, and a plurality of arc-shaped plates are fixedly connected to the inside of the circular tank corresponding to the outer wall of the rotating shaft.

[0007] Preferably, one end of the purification box is fixedly provided with an air inlet pipe penetrating therethrough, and the first cavity is internally provided with a sodium hydroxide solution, and the air inlet pipe extends to the bottom of the sodium hydroxide solution.

[0008] Preferably, the second cavity is internally provided with a plurality of S-shaped channels formed by the blocking hollow plates and the separating hollow plates.

[0009] Preferably, one end of the blocking hollow plates and the separating hollow plates is fixedly connected with a three-way pipe penetrating through the purification box, and the three-way pipe is connected with the square cylinder through a connecting pipe.

[0010] Preferably, the other end of the square cylinder is fixedly connected with an input pipe, and the other end of the purification box is fixedly provided with an air outlet pipe penetrating therethrough.

[0011] Preferably, the separating hollow plates are provided with a plurality of communication holes, and the communication holes convey the reaction-purified acid gas from the first cavity to the second cavity.

[0012] Preferably, the other end of the blocking hollow plates and the separating hollow plates is provided with an output hole penetrating through the purification box, facilitating the discharge of hot air.

[0013] Preferably, the two blocking hollow plates are symmetrically distributed about the center.

[0014] Compared with the prior art, the acid gas purification device has the following beneficial effects:

[0015] 1) The acid gas purification device can accelerate the mixing and contacting of hydrogen sulfide in the acid gas and the sodium hydroxide solution, improve the reaction rate, and further improve the reaction rate by heating the sodium hydroxide solution in the separating hollow plates.

[0016] 2) The acid gas purification device can heat and dry the acid gas to remove the moisture in the acid gas, thereby avoiding corrosion of the acid gas pipeline, affecting the operation cycle of the acid gas pipeline, reducing the acid gas leakage, and improving the safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the acid gas purification device of the utility model;

[0018] Figure 2 It is another view of the acid gas purification device of the utility model;

[0019] Figure 3The utility model discloses a kind of purification box section view of acid gas purification device.

[0020] Figure 4 The utility model discloses a kind of round box and square section view of acid gas purification device.

[0021] In the drawing: 1, purification box;2, partition hollow board;3, first cavity;4, second cavity;5, rotating shaft;6, stirring vane;7, connecting column;8, round box;9, square cylinder;10, arc plate;11, air inlet pipe;12, blocking hollow board;13, tee pipe;14, connecting pipe;15, input pipe;16, air outlet pipe;17, communication hole;18, output hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Embodiment one

[0024] Combined Figures 1-4 An acid gas purification device, including purification box 1, partition hollow board 2 is fixedly connected in the middle of the inner wall of purification box 1, partition hollow board 2 divides the inside of purification box 1 into first cavity 3 and second cavity 4, rotating shaft 5 is rotatably connected to the inner wall bottom of first cavity 3 and penetrates purification box 1, a plurality of stirring vanes 6 are fixedly connected to the outer wall of rotating shaft 5, a plurality of connecting columns 7 are fixedly connected to the top of the plurality of connecting columns 7, and round box 8 is fixedly connected to the top of the plurality of connecting columns 7, square cylinder 9 is fixedly connected to the outer wall of round box 8, a plurality of arc plates 10 are fixedly connected to the inside of square cylinder 9 corresponding to the outer wall of rotating shaft 5, air inlet pipe 11 is fixedly penetrated in one end of purification box 1, sodium hydroxide solution is arranged in the inside of first cavity 3, air inlet pipe 11 extends to the bottom of sodium hydroxide solution, and input pipe 15 is fixedly connected to the other end of square cylinder 9.

[0025] Specifically, through the setting air inlet pipe 11, acid gas can be transported into first cavity 3 and contact and react with sodium hydroxide solution in first cavity 3, so that hydrogen sulfide in acid gas can be removed, hot gas can be input into square cylinder 9 through input pipe 15, hot gas contacts arc plate 10 and drives arc plate 10 to rotate, and rotating shaft 5 is rotated, so that stirring vane 6 can be rotated, therefore the mixing and contact of acid gas and sodium hydroxide solution can be accelerated, reaction rate is improved, and hot gas enters partition hollow board, sodium hydroxide solution can be heated and treated, and reaction rate is further improved.

[0026] Embodiment Two

[0027] Referring to Figures 1-3 And on the basis of Embodiment One, further obtained, the inner wall of the second cavity 4 is fixedly connected with the blocking hollow plate 12 on both sides, the blocking hollow plate 12 and the partitioning hollow plate 2 form a S-shaped channel in the second cavity 4, the blocking hollow plate 12 and the partitioning hollow plate 2 are fixedly connected with the three-way pipe 13 at one end and penetrate the purification tank 1, the three-way pipe 13 and the square cylinder 9 are connected through the connecting pipe 14, the other end of the purification tank 1 is fixedly penetrated with the gas outlet pipe 16, the partitioning hollow plate 2 is provided with the communication hole 17, the communication hole 17 transports the reaction-purified acid gas from the first cavity 3 to the second cavity 4, the other end of the blocking hollow plate 12 and the partitioning hollow plate 2 is provided with the output hole 18 and penetrates the purification tank 1, which facilitates the hot air to be discharged, and the two blocking hollow plates 12 are symmetrically distributed about the center.

[0028] Specifically, the S-shaped channel can prolong the flow path and make the acid gas fully contact with the blocking hollow plate 12 and the partitioning hollow plate 2, so as to reduce the moisture of the acid gas, and the hot air can be transported into the blocking hollow plate 12 and the partitioning hollow plate 2 through the three-way pipe 13, so as to heat the acid gas in the S-shaped channel, thereby avoiding the corrosion of the acid gas pipeline, affecting the operation cycle of the acid gas pipeline, reducing the acid gas leakage, improving the safety, discharging the acid gas after purification through the gas outlet pipe 16, and discharging the hot air through the output hole 18, so that the hot air is in a flowing state and is better heated.

[0029] In actual operation, first, the acid gas produced in production is introduced into the first cavity 3 through the gas inlet pipe 11 and reacts with the sodium hydroxide solution in the first cavity 3, then the hot air is transported into the square cylinder 9 through the input pipe 15, and the hot air acts on the arc-shaped plate 10 to make the arc-shaped plate 10 rotate around the rotating shaft 5, thereby rotating the stirring blade 6, so as to accelerate the mixing and contact of hydrogen sulfide in the acid gas and the sodium hydroxide solution, improve the reaction rate, and the hot air entering the partitioning hollow plate 2 can heat the sodium hydroxide solution, thereby further improving the reaction rate.

[0030] And the acid gas after the reaction enters the second cavity 4 through the communication hole 17 and diffuses along the S-shaped channel, at the same time, the hot air is transported into the partitioning hollow plate 2 and the blocking hollow plate 12 through the connecting pipe 14 and the three-way pipe 13, so as to heat and dry the acid gas, remove the moisture in the acid gas, thereby avoiding the corrosion of the acid gas pipeline, affecting the operation cycle of the acid gas pipeline, reducing the acid gas leakage, and improving the safety.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An acid gas purification plant comprising a purification tank (1), characterized in that: The middle part of the inner wall of the purification box (1) is fixedly connected with a partition hollow plate (2), the partition hollow plate (2) divides the inside of the purification box (1) into a first cavity (3) and a second cavity (4), the bottom of the inner wall of the first cavity (3) is rotatably connected with a rotating shaft (5) and penetrates the purification box (1), the outer wall of the rotating shaft (5) is fixedly connected with a plurality of stirring blades (6), the top of the purification box (1) is fixedly connected with a plurality of connecting columns (7) corresponding to the outside of the rotating shaft (5), the top of the plurality of connecting columns (7) is fixedly connected with a circular box (8), the outer wall of the circular box (8) is fixedly connected with a square cylinder (9), the outer wall of the rotating shaft (5) is fixedly connected with a plurality of arc-shaped plates (10) corresponding to the inside of the circular box (8).

2. A device for purifying acid gases according to claim 1, characterized in that: One end of the purification box (1) is fixedly penetrated with an air inlet pipe (11), the inside of the first cavity (3) is provided with a sodium hydroxide solution, the air inlet pipe (11) extends to the bottom of the sodium hydroxide solution.

3. A device for purifying acid gases according to claim 1, characterized in that: The upper and lower sides of the inner wall of the second cavity (4) are fixedly connected with blocking hollow plates (12), the blocking hollow plates (12) and the partition hollow plate (2) form an S-shaped channel in the second cavity (4).

4. A sulphur removal unit according to claim 3, characterised in that: One end of the blocking hollow plate (12) and the partition hollow plate (2) is fixedly connected with a three-way pipe (13) and penetrates the purification box (1), the three-way pipe (13) and the square cylinder (9) are connected through a connecting pipe (14).

5. A sour gas purification unit according to claim 1, characterized in that: The other end of the square cylinder (9) is fixedly connected with an input pipe (15), the other end of the purification box (1) is fixedly penetrated with an air outlet pipe (16).

6. A sour gas purification unit according to claim 1, characterized in that: The partition hollow plate (2) is provided with a communication hole (17), the communication hole (17) transports the reaction-purified acid gas from the first cavity (3) into the second cavity (4).

7. A sulphur removal unit according to claim 4, characterised in that: The other end of the blocking hollow plate (12) and the partition hollow plate (2) is provided with an output hole (18) and penetrates the purification box (1), which facilitates hot air exhaust.

8. A sulphur removal unit according to claim 3, characterised in that: The two blocking hollow plates (12) are symmetrically distributed about the center.

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