Sulfur-containing gas cooling device
By designing a sulfur-containing gas cooling device and using gas tube cooling and steam heating to recover solid sulfur, the problem of poor cooling effect of sulfur dioxide gas cooler is solved, and the gas liquefaction efficiency is improved and the recycling of elemental sulfur is achieved, ensuring the continuity and economic benefits of production.
Patent Information
- Application Number
- CN202422207021.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-10
AI Technical Summary
The existing sulfur dioxide gas coolers have poor cooling effect, resulting in solid sulfur deposition, affecting liquefaction efficiency, and the entrained elemental sulfur blocking equipment, making it difficult to achieve continuous and stable production.
A sulfur-containing gas cooling device is designed, including a lower cylinder, an upper cylinder, a conical sealing head, a tube plate and a jacketed cylinder. Solid sulfur is recovered through gas line cooling and steam heating to ensure the unobstructed cooling water, and realize gas cooling and solid sulfur recovery.
The liquefaction efficiency of sulfur dioxide gas is improved, the problem of elemental sulfur blockage is solved, and the continuous and stable production of gas is achieved and economic benefits are generated.
Smart Images
Figure CN223138400U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of sulfur dioxide production equipment, and particularly relates to a sulfur-containing gas cooling device. Background Technique
[0002] Solid sulfur is melted with steam as the heat source, and the liquid sulfur is sent into an incinerator (reaction furnace) and pure oxygen is introduced to generate sulfur dioxide gas (about 750 °C). Through heat exchange, the temperature is controlled at about 120 °C. The sulfur dioxide gas contains a small amount of liquid (solid) sulfur, enters a cooler, is cooled with circulating water to below 40 °C, dried and dehydrated, acid mist and trace moisture are removed, compressed and cooled, and condensed into liquid sulfur dioxide, which is filled into steel cylinders.
[0003] The cooling effect of the cooler is not good, the cooling effect cannot be guaranteed, which affects the liquefaction effect of sulfur dioxide gas; solid sulfur in the gas gradually deposits and is not easy to clean; elemental sulfur entrained in the gas enters the next process, blocking pipelines and equipment.
[0004] To study a device to achieve the cooling of sulfur dioxide gas and the recycling of solid sulfur, and to achieve long-term stable production is the purpose of our research. Content of the Utility Model
[0005] The utility model provides a sulfur-containing gas cooling device for cooling sulfur-containing gas and improving the cooling effect.
[0006] For this reason, the utility model adopts the following technical solutions:
[0007] A sulfur-containing gas cooling device includes a lower cylinder body, an upper cylinder body, a conical head, and a tube sheet;
[0008] The outer shell of the lower cylinder body is connected to a jacket cylinder body, the lower part is connected to a bottom plate, the side wall is connected to an air outlet, a sulfur discharge port, and a drain port, and heating pipes are arranged on the upper part of the bottom plate;
[0009] Fixed distance pipes, tie rods, support plates, and gas tubes are arranged in the upper cylinder body, and there are a cooling water inlet and a cooling water outlet on the side wall; there is an air inlet at the top of the conical head.
[0010] Furthermore, the tube sheet is located between the lower cylinder body and the upper cylinder body and between the flanges of the upper cylinder body and the conical head, and gas tubes are welded on the tube sheet.
[0011] Furthermore, the outer wall of the jacket cylinder body is provided with a steam inlet, a baffle, a condensate outlet, an air outlet, and a connecting ring.
[0012] The beneficial effects of the present utility model are as follows: The liquefaction efficiency is improved after the sulfur-containing gas is cooled; the elemental sulfur entrained in the gas is recovered after heating, generating economic benefits; at the same time, the problem of elemental sulfur clogging the filter and the tube cooler is solved, realizing continuous and stable production. Brief Description of the Drawings
[0013] Figure 1 is a schematic structural diagram of the cooling device of the present utility model;
[0014] Figure 2 is a schematic diagram of the tube sheet of the present utility model;
[0015] Figure 3 is a schematic diagram of the heating tubes of the present utility model;
[0016] In the figure: lower cylinder body 1, upper cylinder body 2, conical head 3, tube sheet 4, jacket cylinder body 5, bottom plate 6, spacer tube 7, tie rod 8, support plate 9, air inlet 10, gas tubes 11, air outlet 12, cooling water inlet 13, cooling water outlet 14, steam inlet 15, baffle 16, heating tube 17, condensate outlet 18, sulfur discharge port 19, drain port 21, connecting ring 22. Detailed Embodiments
[0017] The present utility model will be further described below in conjunction with the drawings and specific embodiments:
[0018] As Figures 1 to 3 shown, the present utility model discloses a sulfur-containing gas cooling device. It is characterized in that it includes a lower cylinder body 1, an upper cylinder body 2, a conical head 3, a tube sheet 4, a jacket cylinder body 5, a bottom plate 6, a spacer tube 7, a tie rod 8, a support plate 9, an air inlet 10, gas tubes 11, an air outlet 12, a cooling water inlet 13, a cooling water outlet 14, a steam inlet 15, a baffle 16, heating tubes 17, a condensate outlet 18, a sulfur discharge port 19, an air outlet 20, a drain port 21, and a connecting ring 22.
[0019] The cooling water inlet 13 and the cooling water outlet 14 of the upper cylinder body 2 are kept unobstructed to ensure the normal flow of cooling water, and the temperature of the cooling water is ensured to be below 35°C.
[0020] The sulfur-containing gas, with a temperature of 120°C, enters from the air inlet 10 at the center of the top of the conical head 3, passes through the gas tubes 11 evenly distributed in the upper cylinder body 2, and after being cooled by the cooling water, enters the lower cylinder body 1. At this time, the gas temperature drops to 40°C. After the sulfur-containing gas condenses, the solid sulfur accumulates on the bottom plate 6 in the lower cylinder body 1, and the desulfurized gas is discharged from the air outlet 20.
[0021] The steam inlet 15 and the condensate outlet 18 of the lower cylinder body 1 are kept open to ensure the normal operation of the jacket cylinder body 5 and the heating tube 17; the saturated steam pressure is above 0.5 MPa. The sulfur accumulated by condensation is heated to 130 °C in the lower cylinder body 1, converted from solid sulfur to liquid sulfur, and then recovered from the sulfur discharge port 19.
[0022] The spacers 7, tie rods 8, and support plates 9 are used in combination and are equidistant fixing devices that can ensure that the gas tubes 11 do not deform.
[0023] The drain port 21 is used to empty the sulfur on the bottom plate 6 before the maintenance of the gas cooling device; the connecting ring 22 is an extension of the jacket cylinder body 5 to ensure the temperature of the sulfur discharge port 19 and ensure the smooth flow of liquid sulfur.
Claims
1. A sulfur-containing gas cooling device, characterized in that, It includes a lower cylinder body (1), an upper cylinder body (2), a conical head (3), and a tube sheet (4); A jacket cylinder body (5) is connected to the outside of the shell of the lower cylinder body (1), a bottom plate (6) is connected to the lower part, an air outlet (12), a sulfur discharge port (19), and a drain port (21) are connected to the side wall, and heating tubes (17) are arranged on the upper part of the bottom plate (6); A spacing tube (7), a pull rod (8), a support plate (9), and gas tubes (11) are arranged in the upper cylinder body (2), and a cooling water inlet (13) and a cooling water outlet (14) are provided on the side wall; an air inlet (10) is provided at the top of the conical head (3).
2. The sulfur-containing gas cooling device according to claim 1, wherein, The tube sheet (4) is located between the lower cylinder body (1) and the upper cylinder body (2) and between the flanges of the upper cylinder body (2) and the conical head (3), and the gas tubes (11) are welded on the tube sheet (4).
3. The sulfur-containing gas cooling device according to claim 1, wherein A steam inlet (15), a baffle (16), a condensate outlet (18), an air outlet (12), and a connecting ring (22) are provided on the outer wall of the jacket cylinder body (5).