Efficient desulfurization equipment for natural gas

Abstract

The utility model relates to the technical field of natural gas purification treatment, in particular to efficient natural gas desulfurization equipment which comprises a collecting box, the top of the collecting box is connected with the bottom of a reaction cylinder, the outer wall of the reaction cylinder is connected with the outer wall of a solvent pipe, and a gas outlet is formed in the top of the reaction cylinder. The inner wall of the reaction cylinder is movably connected with the outer wall of the secondary filtering ring, an atomizing nozzle is arranged on the solvent pipe, an air inlet is formed in the outer wall, close to the bottom, of the reaction cylinder, the collecting box comprises a box body, supporting legs are arranged at the bottom of the box body, a solvent outlet and a waste outlet are formed in the front side face of the box body, and the solvent outlet is communicated with the waste outlet. A filter plate is arranged in the box body, and a flow guide slope is obliquely arranged on the lower surface, located below the filter plate, of the box body. The improved natural gas desulfurization equipment solves the problem of low desulfurization efficiency of traditional desulfurization equipment by arranging the collecting box, the reaction cylinder, the atomizing nozzle and the like, and is suitable for purification treatment of high-sulfur-content natural gas.

Description

Technical Field

[0001] This utility model relates to the field of natural gas purification and treatment technology, specifically to a high-efficiency natural gas desulfurization device. Background Technology

[0002] Natural gas, as an important clean energy source, typically contains sulfur-containing compounds such as hydrogen sulfide, carbonyl sulfide, and mercaptans. These impurities are not only toxic and corrosive, but also generate sulfur dioxide during combustion, causing air pollution and equipment corrosion. Therefore, natural gas desulfurization is a key step in the natural gas purification process, directly affecting pipeline transportation safety, the quality of chemical raw materials, and environmental emission standards.

[0003] During the design process of this utility model, the following problems were discovered in the existing technology:

[0004] However, existing natural gas desulfurization equipment suffers from problems such as small contact area between sulfur-containing gas and desulfurization solvent, long desulfurization time, low desulfurization efficiency, the presence of other particulate impurities in the desulfurization solvent after desulfurization, difficulty in recycling and reusing the desulfurization solvent, and the presence of residual sulfides in the purified natural gas after desulfurization, resulting in incomplete desulfurization. Utility Model Content

[0005] The purpose of this invention is to provide a high-efficiency natural gas desulfurization device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency natural gas desulfurization device, including a collection box, the top of which is installed and connected to the bottom of a reaction cylinder, the outer wall of the reaction cylinder being installed and connected to the outer wall of a solvent pipe, an outlet being provided at the top of the reaction cylinder, the inner wall of the reaction cylinder being movably connected to the outer wall of a secondary filter ring, an atomizing nozzle being provided on the solvent pipe, and an inlet being provided on the outer wall of the reaction cylinder near the bottom;

[0007] The collection box includes a box body, the bottom of which is provided with support legs, the front side of which is provided with a solvent outlet and a waste outlet, the inside of which is provided with a filter plate, and the lower surface of the box body located below the filter plate is provided with a flow guide ramp.

[0008] The reaction vessel includes a tank body, the interior of which is provided with an inner spiral blade. The inner sidewall of the tank body is connected to one end of a spring, and the other end of the spring is provided with a limit protrusion.

[0009] The secondary filter ring includes a mounting ring, a limit block is provided on one side of the mounting ring, and a filter core is installed inside the mounting ring.

[0010] More preferably, the top of the box is provided with a reserved hole, the lower surfaces of the left and right sides of the box are respectively provided with slopes, and the filter plate is provided with filter holes.

[0011] More preferably, the bottom of the tank is provided with a liquid outlet hole, and the liquid outlet hole at the bottom of the tank is connected to the reserved hole at the top of the tank. Several pipe holes are provided on the side wall of the tank. The outer wall of the tank near the top is open. A thickened connecting plate is provided on the outer wall of the tank near the top.

[0012] More preferably, the inner wall of the mounting ring has an inner groove that matches the size of the outer wall of the filter core, and the limiting block has a limiting groove.

[0013] More preferably, the slopes on the left and right sides of the lower surface of the box are respectively connected to the solvent outlet and the waste outlet.

[0014] More preferably, the inner sidewall of the tank connecting plate is provided with an installation groove, and the installation ring is installed in the installation groove of the tank connecting plate and the opening near the top.

[0015] More preferably, the filter core has several filter membranes arranged in layers inside.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] The desulfurization equipment tank is equipped with internal spiral blades, which effectively prolongs the contact time between natural gas and desulfurization solvent. The desulfurization solvent is sprayed out through atomizing nozzles. The atomized desulfurization solvent can effectively increase the contact area between sulfur-containing natural gas and desulfurization solvent, achieving efficient desulfurization and purification of high-sulfur natural gas. The adsorbed sulfur-containing solvent enters the tank through the liquid outlet at the bottom of the tank. After being filtered and recovered by the filter plate, the impurities are discharged from the waste outlet. The sulfur-containing solvent is discharged from the solvent outlet for secondary recycling and regeneration. The purified natural gas is filtered a second time through the filter core installed at the top of the tank. This further filters and purifies the residual sulfides in the natural gas while also filtering out other impurities. The purified natural gas after secondary filtration is discharged through the gas outlet at the top of the tank. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic cross-sectional view of the overall structure of this utility model;

[0020] Figure 3 This is a cross-sectional view of the collection box of this utility model;

[0021] Figure 4This is a cross-sectional view of the reaction cylinder of this utility model;

[0022] Figure 5 This is a schematic cross-sectional view of the secondary filter ring of this utility model;

[0023] Figure 6 This utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0024] In the diagram: 1. Collection box; 101. Box body; 102. Support leg; 103. Solvent outlet; 104. Waste outlet; 105. Filter plate; 106. Guide ramp; 2. Reaction cylinder; 201. Tank body; 202. Inner spiral blade; 203. Spring; 204. Limiting protrusion; 3. Solvent tube; 4. Air outlet; 5. Secondary filter ring; 501. Mounting ring; 502. Limiting block; 503. Filter core; 6. Atomizing nozzle; 7. Air inlet. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1 to 6 This utility model provides a technical solution: a high-efficiency natural gas desulfurization device, including a collection box 1, the top of the collection box 1 is installed and connected to the bottom of the reaction cylinder 2, the outer wall of the reaction cylinder 2 is installed and connected to the outer wall of the solvent pipe 3, the top of the reaction cylinder 2 is provided with an air outlet 4, the inner wall of the reaction cylinder 2 is movably connected to the outer wall of the secondary filter ring 5, the solvent pipe 3 is provided with an atomizing nozzle 6, and the outer wall of the reaction cylinder 2 near the bottom is provided with an air inlet 7;

[0027] The collection box 1 includes a box body 101. The bottom of the box body 101 is provided with a support leg 102. The front side of the box body 101 is provided with a solvent outlet 103 and a waste outlet 104. The inside of the box body 101 is provided with a filter plate 105. The lower surface of the box body 101 below the filter plate 105 is provided with a guide ramp 106.

[0028] The reaction cylinder 2 includes a tank body 201, an inner spiral blade 202 is provided inside the tank body 201, and one end of a spring 203 is installed and connected to the inner side wall of the tank body 201. A limit protrusion 204 is installed on the other end of the spring 203.

[0029] The secondary filter ring 5 includes a mounting ring 501, a limit block 502 is provided on one side of the mounting ring 501, and a filter core 503 is installed inside the mounting ring 501.

[0030] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the top of the box 101 has a reserved hole, the lower surfaces of the left and right sides of the box 101 are respectively inclined with slopes, and the filter plate 105 has filter holes.

[0031] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, the bottom of the tank 201 is provided with a liquid outlet, and the liquid outlet at the bottom of the tank 201 is connected to the reserved hole at the top of the box 101. Several pipe holes are provided on the side wall of the tank 201. The outer wall of the tank 201 near the top is open. A thickened connecting plate is provided on the outer wall of the tank 201 near the top.

[0032] In this embodiment, as Figure 1 , Figure 2 and Figure 5 As shown, the inner wall of the mounting ring 501 has an inner groove that matches the size of the outer wall of the filter core 503, and the limiting block 502 has a limiting groove.

[0033] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the slopes on the left and right sides of the lower surface of the box 101 are respectively connected to the solvent outlet 103 and the waste outlet 104.

[0034] In this embodiment, as Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, the inner wall of the connecting plate of tank body 201 is provided with an installation groove, and the installation ring 501 is installed in the installation groove of the connecting plate of tank body 201 and the opening near the top.

[0035] In this embodiment, as Figure 1 , Figure 2 and Figure 5 As shown, the filter core 503 has several filter membranes arranged in layers inside.

[0036] As in the process Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, this high-efficiency natural gas desulfurization equipment operates as follows during use:

[0037] First, the desulfurization solvent is introduced into the solvent pipe 3 and continuously sprayed into the tank 201 through the atomizing nozzle 6. Then, the sulfur-containing natural gas to be purified is introduced into the tank 201 through the inlet 7. The sulfur-containing natural gas entering the tank 201 mixes and reacts with the atomized desulfurization solvent for desulfurization and purification. While being mixed and desulfurized within the inner spiral blade 202, the sulfur-containing natural gas continuously spirals upwards, effectively prolonging the contact time between the sulfur-containing natural gas and the desulfurization solvent, thus ensuring thorough mixing. The desulfurization solvent, after adsorbing sulfides, flows along the inner spiral blade 202 to the bottom of the tank 201 and is discharged into the box 101 through the liquid outlet at the bottom of the tank 201. The sulfur-containing solvent is then filtered by the filter plate 105, separating solid impurities from the solvent and discharging them from the waste outlet 104 on one side. The filtered sulfur-containing solvent is discharged through the guide slope 106 and from the solvent outlet 103, allowing for the recovery and regeneration of the sulfur-containing solvent. The desulfurized natural gas exits from the inner spiral blade 202... The upper part of the tank 201 undergoes a second filtration process using the filter core 503. This filters out residual sulfides and other impurities from the desulfurized natural gas. The desulfurized natural gas, after secondary filtration, is discharged from the outlet 4 at the top of the tank 201. The filter core 503's filtration performance will significantly decrease after prolonged use, requiring replacement. To replace the filter core 503, pull the mounting ring 501 out of the tank 201. When pulling out the mounting ring 501, the limiting block 50... 2. Back pressure limiting protrusion 204, limiting protrusion 204 back pressure spring 203. When the mounting ring 501 is pulled out, the spring 203 drives the limiting protrusion 204 to spring back to its original position. At this time, the filter inner core 503 can be taken out and replaced. After replacement, the mounting ring 501 is pushed back into the tank 201. At this time, the limiting protrusion 204 is locked into the limiting groove on the limiting block 502 to prevent the mounting ring 501 from loosening. The bottom of the box 101 is provided with support legs 102 to make the equipment stable.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A natural gas high-efficiency desulfurization device comprising a collection tank (1), characterized in that: The top of the collection box (1) is installed and connected to the bottom of the reaction cylinder (2). The outer wall of the reaction cylinder (2) is installed and connected to the outer wall of the solvent pipe (3). The top of the reaction cylinder (2) is provided with an air outlet (4). The inner wall of the reaction cylinder (2) is movably connected to the outer wall of the secondary filter ring (5). The solvent pipe (3) is provided with an atomizing nozzle (6). The outer wall of the reaction cylinder (2) near the bottom is provided with an air inlet (7). The collection box (1) includes a box body (101), a support leg (102) is provided at the bottom of the box body (101), a solvent outlet (103) and a waste outlet (104) are provided on the front side of the box body (101), a filter plate (105) is provided inside the box body (101), and a flow guide ramp (106) is provided on the lower surface of the box body (101) below the filter plate (105). The reaction cylinder (2) includes a tank (201), and an inner spiral blade (202) is provided inside the tank (201). The inner sidewall of the tank (201) is connected to one end of a spring (203), and a limit protrusion (204) is installed on the other end of the spring (203). The secondary filter ring (5) includes a mounting ring (501), a limiting block (502) is provided on one side of the mounting ring (501), and a filter core (503) is installed inside the mounting ring (501).

2. The natural gas high-efficiency desulfurization equipment according to claim 1, characterized in that: The top of the box (101) is provided with a reserved hole, and the lower surfaces on the left and right sides of the box (101) are respectively provided with slopes. The filter plate (105) is provided with filter holes.

3. The natural gas high-efficiency desulfurization equipment according to claim 1, characterized in that: The tank (201) has a liquid outlet at the bottom, and the liquid outlet at the bottom of the tank (201) is connected to the reserved hole at the top of the box (101). The tank (201) has several pipe holes on its side wall. The outer wall of the tank (201) near the top is open. The outer wall of the tank (201) near the top is provided with a thickened connecting plate.

4. The natural gas high-efficiency desulfurization equipment according to claim 1, characterized in that: The inner wall of the mounting ring (501) is provided with an inner groove that matches the outer wall size of the filter core (503), and the limiting block (502) is provided with a limiting groove.

5. The natural gas high-efficiency desulfurization equipment according to claim 2, characterized in that: The slopes on the left and right sides of the lower surface of the box (101) are respectively connected to the solvent outlet (103) and the waste outlet (104).

6. The natural gas high-efficiency desulfurization equipment according to claim 3, characterized in that: The inner wall of the tank (201) connecting plate is provided with an installation groove, and the installation ring (501) is installed in the installation groove of the tank (201) connecting plate and the opening near the top.

7. The natural gas high-efficiency desulfurization equipment according to claim 4, characterized in that: The filter core (503) has several filter membranes arranged in layers inside.

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