Combustion energy-saving device of sulfur recovery system

Abstract

The utility model relates to a combustion energy-saving device of a sulfur recovery system. The combustion energy-saving device comprises an energy storage frame; sulfur tail gas is input into the tail gas conveying pipe, the bent tail gas conveying pipe is arranged in the energy storage box, the temperature in the energy storage box is increased, water is guided into the energy storage box, tail gas waste heat can be recycled, hot water is generated, meanwhile, an absorbent is injected into the purification box, and alkali liquor can be added to absorb sulfur dioxide in the tail gas; according to the tail gas sulfur removal device, the water pump is started, alkali liquor in the purification box flows into the spraying disc through the liquid conveying pipe, the alkali liquor is sprayed into the tail gas, and the sulfur content in the tail gas is effectively reduced, the inner pores of the multi-stage filter cotton cores in the mounting cylinder and the filter cotton cores on the side close to the fixed cylinder are large, and the inner pores of the filter cotton cores on the side away from the fixed cylinder are small; multi-stage filtration is achieved, poor circulation caused by too small pores at the direct contact tail gas position is avoided, and a multi-stage filtration cotton core is an activated carbon cotton core.

Description

Technical Field

[0001] The utility model relates to the technical field of sulfur recovery system equipment, in particular to a sulfur recovery system combustion energy-saving device. Background Art

[0002] As the standards for protecting the atmospheric environment in countries around the world become increasingly stringent, the requirements for the sulfur recovery rate of sulfur recovery devices are getting higher and higher. In the existing technology, chemical companies produce sulfur, and the final tail gas still contains a large amount of sulfur particles or sulfides. If not treated, it will pollute the environment. The existing tail gas treatment device has a long pipeline and the temperature gradually decreases, which can easily cause pipeline blockage. At the same time, there is a lack of effective recovery and utilization of the heat contained in the tail gas.

[0003] For example, the authorized patent document with application number 202320778705.0 discloses a processing device for recovering sulfur from an insoluble sulfur solvent, including a storage box, a processing box is arranged on the right side of the storage box, the top of the storage box is connected to a liquid outlet pipe, a water pump is installed on the liquid outlet pipe, the other end of the liquid outlet pipe is connected to a disc, the bottom of the disc is fixedly connected to the processing box, the bottom of the disc is provided with evenly distributed liquid outlet holes, the inner wall of the processing box is rotatably connected to a rotating bar, the top of the processing box is fixedly connected to a motor 1, the output shaft of the motor 1 passes through the processing box and is fixedly connected to the rotating bar. The utility model can reduce the size of sulfur after cooling and solidification, and due to the subsequent crushing of sulfur, the effect of crushing sulfur can be controlled to produce the size of sulfur that the user needs to use, which is beneficial to the user's subsequent use of sulfur.

[0004] The above patent has the problem that the exhaust gas treatment device has a long pipeline and the temperature gradually decreases, which can easily cause pipeline blockage. At the same time, it lacks effective recovery and utilization of the heat contained in the exhaust gas. Therefore, we need to provide a sulfur recovery system combustion energy-saving device. Utility Model Content

[0005] The purpose of the utility model is to provide a combustion energy-saving device for a sulfur recovery system to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combustion energy-saving device for a sulfur recovery system, comprising:

[0007] An energy storage frame; and an exhaust gas delivery pipe bent and arranged inside the energy storage frame;

[0008] A plurality of discharge valve pipes disposed at the bottom of the tail gas delivery pipe;

[0009] A water inlet valve pipe and a water discharge valve pipe arranged on the surface of the energy storage frame;

[0010] A purification mechanism disposed at the exhaust end of the exhaust gas delivery pipe;

[0011] The purification mechanism includes a purification box, a spray assembly, a liquid replenishment valve pipe, a liquid outlet valve pipe and a filter assembly. The purification box is fixedly installed on one side of the energy storage frame, the exhaust end of the exhaust gas delivery pipe is arranged inside the purification box, the liquid replenishment valve pipe and the liquid outlet valve pipe are installed on one side of the purification box, and a spray assembly for exhaust gas cleaning is arranged on the top of the purification box, and a filter assembly for exhaust gas exhaust filtering is arranged on one side of the purification box.

[0012] Preferably, the spray assembly includes a water pump, an infusion tube and a spray plate. The spray plate is installed inside the purification box. The top of the spray plate is connected to the infusion tube. The inside of the infusion tube is connected to the water pump, and the spray plate is arranged on the top of the exhaust end of the exhaust gas delivery pipe.

[0013] Preferably, the filter assembly includes a fixed cylinder, a mounting cylinder and a multi-stage filter cotton core, a fixed cylinder is embedded in one side of the purification box, a mounting cylinder is threadedly mounted on one side of the fixed cylinder, and a multi-stage filter cotton core is installed inside the mounting cylinder.

[0014] Preferably, a fan is provided on a side of the surface of the fixed cylinder away from the mounting cylinder, and a shielding plate for protecting the fan is provided inside the purification box, and the shielding plate is provided on the top of the fan.

[0015] Preferably, a semiconductor refrigeration sheet is embedded in the top of the purification box, a heating surface of the semiconductor refrigeration sheet is arranged outside the purification box, and a fan fin is installed on the heating surface of the semiconductor refrigeration sheet.

[0016] Preferably, an observation window is installed on the surface of the purification box.

[0017] Preferably, an anti-slip portion is integrally processed on the surface of the mounting tube.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model inputs sulfur tail gas into a tail gas delivery pipe, wherein the tail gas delivery pipe is bent and arranged in an energy storage box, so as to increase the temperature in the energy storage box, wherein the water introduced into the energy storage box can be recycled and utilized by utilizing the waste heat of the tail gas to generate hot water, and at the same time, by injecting an absorbent into the purification box, an alkaline solution can be added to absorb sulfur dioxide in the tail gas, and a water pump is started to flow the alkaline solution in the purification box into a spray plate through an infusion pipe, and the alkaline solution is sprayed in the tail gas, so as to effectively reduce the sulfur content in the tail gas, wherein a multi-stage filter cotton core in the installation cylinder is obtained, and the filter cotton core close to the fixed cylinder side has larger internal pores, while the filter cotton core far from the fixed cylinder side has smaller internal pores, so as to realize multi-stage filtration and avoid poor fluidity caused by too small pores at the direct contact with the tail gas, wherein the multi-stage filter cotton core is an activated carbon cotton core. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a three-dimensional diagram of the exhaust gas delivery pipe of the utility model;

[0022] Figure 3 This is a three-dimensional cross-sectional view of the purification box of the utility model;

[0023] Figure 4 It is a three-dimensional cross-sectional view of the filter assembly of the utility model;

[0024] Figure 5 It is a stereoscopic diagram of the spray assembly of the utility model.

[0025] In the figure: 1. Energy storage frame; 2. Exhaust gas delivery pipe; 3. Discharge valve pipe; 4. Water inlet valve pipe; 5. Drain valve pipe; 6. Purification mechanism; 61. Purification box; 62. Spray assembly; 621. Water pump; 622. Infusion pipe; 623. Spray plate; 63. Liquid replenishment valve pipe; 64. Liquid outlet valve pipe; 65. Filter assembly; 651. Fixed cylinder; 652. Mounting cylinder; 653. Multi-stage filter cotton core; 7. Fan; 8. Shielding plate; 9. Semiconductor refrigeration plate; 10. Fan heat fin plate; 11. Observation window. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 The utility model provides a technical solution: a combustion energy-saving device for a sulfur recovery system, comprising:

[0028] An energy storage frame 1; and an exhaust gas delivery pipe 2 disposed in a curved manner inside the energy storage frame 1;

[0029] A plurality of discharge valve pipes 3 are arranged at the bottom of the tail gas delivery pipe 2;

[0030] A water inlet valve pipe 4 and a water discharge valve pipe 5 are arranged on the surface of the energy storage frame 1;

[0031] A purification mechanism 6 is provided at the exhaust end of the exhaust gas delivery pipe 2;

[0032] The purification mechanism 6 includes a purification box 61, a spray assembly 62, a liquid replenishment valve pipe 63, a liquid outlet valve pipe 64 and a filter assembly 65. The purification box 61 is fixedly installed on one side of the energy storage frame 1, and the exhaust end of the exhaust gas delivery pipe 2 is arranged inside the purification box 61. The liquid replenishment valve pipe 63 and the liquid outlet valve pipe 64 are installed on one side of the purification box 61, and a spray assembly 62 for exhaust gas cleaning is arranged on the top of the purification box 61, and a filter assembly 65 for exhaust gas discharge filtering is arranged on one side of the purification box 61.

[0033] The spray assembly 62 includes a water pump 621, a liquid infusion pipe 622 and a spray plate 623. The spray plate 623 is installed inside the purification box 61. The top of the spray plate 623 is connected to the liquid infusion pipe 622. The inside of the liquid infusion pipe 622 is connected to the water pump 621. The spray plate 623 is arranged on the top of the exhaust end of the exhaust gas delivery pipe 2.

[0034] In this embodiment, by injecting absorbent into the purification box 61, alkaline solution can be added to absorb sulfur dioxide in the exhaust gas, and the water pump 621 is started to flow the alkaline solution in the purification box 61 into the spray plate 623 through the infusion pipe 622, and the alkaline solution is sprayed in the exhaust gas, effectively reducing the sulfur content in the exhaust gas. It should be noted that the waste liquid after absorption is professionally treated, and the exhaust gas purified by the alkaline solution will enter the filter component 65 for filtration.

[0035] The filter assembly 65 includes a fixed cylinder 651, a mounting cylinder 652 and a multi-stage filter cotton core 653. The fixed cylinder 651 is embedded in one side of the purification box 61, and the mounting cylinder 652 is threadedly mounted on one side of the fixed cylinder 651. The multi-stage filter cotton core 653 is installed inside the mounting cylinder 652.

[0036] Furthermore, the multi-stage filter cotton core 653 in the installation cylinder 652 has a larger internal pore on the side close to the fixed cylinder 651, and a smaller internal pore on the side away from the fixed cylinder 651, so as to achieve multi-stage filtration and avoid the poor flowability caused by the small pores at the place where the tail gas is directly contacted. The multi-stage filter cotton core 653 is an activated carbon cotton core, which has the advantages of simple process, easy operation, and no secondary pollution. The material of activated carbon desulfurization is mainly activated carbon, which is prepared with carbon-containing materials. Raw materials such as fruit shells and sawdust are loose in texture, which is conducive to the entry of activators, so the reaction performance is good. The obtained activated carbon has a large specific surface area, developed micropore volume, and good adsorption performance. At the same time, the fixed cylinder 651 and the installation cylinder 652 are threadedly installed for the purpose of convenient replacement.

[0037] A fan 7 is provided on the side of the fixed cylinder 651 away from the mounting cylinder 652, and a shielding plate 8 for protecting the fan 7 is provided inside the purification box 61, and the shielding plate 8 is provided on the top of the fan 7;

[0038] Specifically, the fan 7 can better transport the exhaust gas in the purification box 61 to the filter assembly 65, and at the same time help to circulate the gas in the exhaust gas delivery pipe 2.

[0039] A semiconductor cooling sheet 9 is embedded in the top of the purification box 61, and the heating surface of the semiconductor cooling sheet 9 is arranged outside the purification box 61, and a fan fin plate 10 is installed on the heating surface of the semiconductor cooling sheet 9;

[0040] Furthermore, a semiconductor refrigeration sheet 9 is provided to cool the purification box 61 to prevent overheated exhaust gas from entering the purification box 61 and causing the temperature in the purification box 61 to be too high, and a fan fin plate 10 is provided to dissipate heat from the semiconductor refrigeration sheet 9 .

[0041] In order to facilitate observation of the volume of the alkali solution in the purification box 61 , an observation window 11 is installed on the surface of the purification box 61 .

[0042] In order to facilitate the rotation adjustment of the installation cylinder 652 and enhance the friction force, the surface of the installation cylinder 652 is integrally processed with an anti-slip portion.

[0043] The device inputs sulfur tail gas into the tail gas delivery pipe 2, wherein the bent tail gas delivery pipe 2 is in the energy storage box to increase the temperature in the energy storage box, wherein the water introduced into the energy storage box can be recycled using the waste heat of the tail gas to produce hot water, and at the same time, by injecting an absorbent into the purification box 61, alkali solution can be added to absorb sulfur dioxide in the tail gas, and the water pump 621 is started to flow the alkali solution in the purification box 61 into the spray plate 623 through the infusion pipe 622, and the alkali solution is sprayed in the tail gas, effectively reducing the sulfur content in the tail gas, wherein the multi-stage filter cotton core 653 in the installation cylinder 652, the filter cotton core obtained on the side close to the fixed cylinder 651 has larger internal pores, and the filter cotton core on the side away from the fixed cylinder 651 has smaller internal pores, realizing multi-stage filtration, avoiding the direct contact with the tail gas due to too small pores resulting in poor fluidity, wherein the multi-stage filter cotton core 653 is an activated carbon cotton core, which has the advantages of simple process, easy operation, and no secondary pollution problem. The material of activated carbon desulfurization is mainly activated carbon, which is prepared with carbon-containing materials. Raw materials such as fruit shells and sawdust have loose texture, which is conducive to the entry of activators, so the reaction performance is good. The prepared activated carbon has a large specific surface area, developed micropore volume, and good adsorption performance. At the same time, the threaded installation between the fixed cylinder 651 and the installation cylinder 652 is convenient for replacement.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combustion energy-saving device for a sulfur recovery system, characterized in that: include: Energy storage frame (1); and an exhaust gas delivery pipe (2) arranged in a bent manner inside the energy storage frame (1); A plurality of discharge valve pipes (3) arranged at the bottom of the tail gas delivery pipe (2); A water inlet valve pipe (4) and a water discharge valve pipe (5) arranged on the surface of the energy storage frame (1); A purification mechanism (6) disposed at the exhaust end of the exhaust gas delivery pipe (2); The purification mechanism (6) comprises a purification box (61), a spray assembly (62), a liquid replenishment valve pipe (63), a liquid outlet valve pipe (64) and a filter assembly (65); the purification box (61) is fixedly mounted on one side of the energy storage frame (1); the exhaust end of the exhaust gas delivery pipe (2) is arranged inside the purification box (61); the liquid replenishment valve pipe (63) and the liquid outlet valve pipe (64) are mounted on one side of the purification box (61); the top of the purification box (61) is provided with a spray assembly (62) for exhaust gas cleaning; and the one side of the purification box (61) is provided with a filter assembly (65) for exhaust gas exhaust filtering.

2. A combustion energy-saving device for a sulfur recovery system according to claim 1, characterized in that: The spray assembly (62) comprises a water pump (621), a liquid infusion pipe (622) and a spray plate (623); the spray plate (623) is installed inside the purification box (61); the top of the spray plate (623) is connected to the liquid infusion pipe (622); the inside of the liquid infusion pipe (622) is connected to the water pump (621); and the spray plate (623) is arranged on the top of the exhaust end of the exhaust gas delivery pipe (2).

3. A combustion energy-saving device for a sulfur recovery system according to claim 1, characterized in that: The filter assembly (65) comprises a fixed cylinder (651), a mounting cylinder (652) and a multi-stage filter cotton core (653); the fixed cylinder (651) is embedded in one side of the purification box (61); the mounting cylinder (652) is threadedly mounted on one side of the fixed cylinder (651); and the multi-stage filter cotton core (653) is mounted inside the mounting cylinder (652).

4. A combustion energy-saving device for a sulfur recovery system according to claim 3, characterized in that: A fan (7) is arranged on a side of the surface of the fixed cylinder (651) away from the mounting cylinder (652), and a shielding plate (8) for protecting the fan (7) is arranged inside the purification box (61), and the shielding plate (8) is arranged on the top of the fan (7).

5. The combustion energy-saving device for a sulfur recovery system according to claim 1, characterized in that: A semiconductor refrigeration sheet (9) is embedded in the top of the purification box (61), a heating surface of the semiconductor refrigeration sheet (9) is arranged outside the purification box (61), and a fan fin plate (10) is installed on the heating surface of the semiconductor refrigeration sheet (9).

6. A combustion energy-saving device for a sulfur recovery system according to claim 1, characterized in that: An observation window (11) is installed on the surface of the purification box (61).

7. A combustion energy-saving device for a sulfur recovery system according to claim 3, characterized in that: The surface of the mounting tube (652) is integrally processed with an anti-slip portion.

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