A high-efficiency hydrogen sulfide gas absorption device
By designing a highly efficient hydrogen sulfide gas absorption device including a scrubber, a bioreactor and a sedimenter, the existing devices have limited filtration and adsorption capabilities and have failed to effectively utilize sulfide bacteria, and the efficient treatment of hydrogen sulfide gas and the effective utilization of sulfur are achieved.
Patent Information
- Application Number
- CN202411756719.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2044-12-03
AI Technical Summary
Existing hydrogen sulfide gas purification devices have limited filtration and adsorption capabilities and have failed to effectively extract and utilize useful substances such as sulfide bacteria in hydrogen sulfide gas.
An efficient hydrogen sulfide gas absorption device is designed, including a scrubber, a bioreactor and a sedimenter. The biological solution is sprayed into the scrubber through a spray head. The hydrogen sulfide gas reacts with the biological solution to dissolve it in the form of sulfide, and the sulfide is converted into elemental sulfur through the bacteria in the bioreactor, and finally the sulfur is separated and collected through the sedimenter.
It realizes efficient absorption and treatment of hydrogen sulfide gas, effectively separates and utilizes the sulfur elements in the gas, and converts it into elemental sulfur that can be used for sterilization or fertilizer, improving purification efficiency and resource utilization.
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Figure CN119215631B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of hydrogen sulfide purification devices, and in particular to a high-efficiency hydrogen sulfide gas absorption device. Background Art
[0002] Hydrogen sulfide is produced in natural gas purification, petroleum refining, as well as gas production, leather making, pharmaceuticals, papermaking, synthetic chemical fibers and other production processes. Hydrogen sulfide is a colorless gas with a pungent odor, is volatile, and burns with a blue flame. Hydrogen sulfide is one of the main pollutants in the atmosphere. It not only harms human health, but also seriously corrodes equipment. Overview Hydrogen sulfide is produced in natural gas purification, petroleum refining, as well as gas production, leather making, pharmaceuticals, papermaking, synthetic chemical fibers and other production processes. It not only harms human health, but also seriously corrodes equipment. In the past, hydrogen sulfide gas was only filtered and adsorbed by the combination of gas-water separators and adsorption dryers, which limited the filtering and adsorption capabilities, and the internal solution did not effectively extract and utilize useful substances (such as sulfide bacteria) in hydrogen sulfide gas. Summary of the invention
[0003] The main purpose of the present invention is to provide a high-efficiency hydrogen sulfide gas absorption device, which can effectively solve the problems in the background technology.
[0004] To achieve the above object, the technical solution adopted by the present invention is:
[0005] A high-efficiency hydrogen sulfide gas absorption device comprises a washing tower, a bioreactor is arranged on one side of the washing tower, a settler is arranged on one side of the bioreactor, a connecting pipe 1 is fixedly connected between the washing tower and the bioreactor near the bottom position, a connecting pipe 2 is fixedly connected between the washing tower and the bioreactor near the opposite side, a connecting pipe 3 is fixedly connected between the bioreactor and the settler near the opposite side, liquid pumps are fixedly arranged on the connecting pipes 1, 2 and 3 respectively, an air inlet pipe is fixedly connected to one side of the washing tower, an air guide pipe is fixedly connected to the upper end of the washing tower, a spray head is fixedly connected to the upper end of the connecting pipe 2 near the inner side of the washing tower, three groups of introduction pipes are fixedly connected at the lower front side of the bioreactor, a filter screen is fixedly arranged on the inner side of the bioreactor, a discharge pipe is fixedly arranged at the lower end of the settler, a purification component is arranged on the inner side of the washing tower, and a drying component is arranged on the air guide pipe and the upper side of the bioreactor.
[0006] Preferably, the purification component includes a convex shell fixedly arranged on the washing tower, a circular ring is rotatably arranged on the inner side of the convex shell, a plurality of groups of blades are fixedly arranged on the outer side of the circular ring near the inner position of the convex shell, an air connecting pipe is fixedly arranged on one side of the convex shell, an exhaust pipe is fixedly arranged on one side of the convex shell corresponding to the rear side of the air connecting pipe, a plurality of groups of round rods are fixedly arranged on the inner side of the circular ring, a rotating rod is fixedly arranged between the plurality of groups of round rods, four groups of scrapers are fixedly arranged on the outer side of the rotating rod, four groups of conical filter cartridges are movably arranged on the outer side of the rotating rod, and four groups of connecting strips are fixedly connected between the four groups of conical filter cartridges.
[0007] Preferably, the drying component includes an air supply pipe 1 fixedly connected to the air connecting pipe, an air supply pipe 2 fixedly connected to one side of the bioreactor, two groups of electric water valves fixedly installed on the air supply pipe 2, a branch pipe fixedly connected to the rear side of the air supply pipe 2 near the position between the two groups of electric water valves, a blower fixedly installed on the rear side of the branch pipe, a drying shell fixedly connected to the air supply pipe 1, the air supply pipe 2 and the air guide pipe, a rotating disk rotatably arranged on the inner side of the drying shell, four groups of filter elements are arranged on the inner side of the rotating disk, a gear ring is arranged in the middle position of the rotating disk, a fixing plate is fixedly arranged at the lower end of the drying shell, a motor is fixedly installed on one end of the fixing plate, and a gear is fixedly connected to one side of the rotating shaft of the motor.
[0008] Preferably, the bioreactor contains a bicarbonate aqueous solution and is added with sodium hydroxide, nutrients and water. The connection between the connecting pipe 2 and the bioreactor is located at the upper side of the filter screen, and the connection between the connecting pipe 3 and the bioreactor is located at the lower side of the filter screen. The filter screen separates the internal cavity of the bioreactor, and a control valve is fixedly installed on the discharge pipe.
[0009] Preferably, the air inlet pipe and the exhaust pipe are connected to the interior of the convex shell, the rotating rod passes through the interior of four groups of conical filter cartridges, and the four groups of scrapers are respectively attached to the inner walls of the four groups of conical filter cartridges.
[0010] Preferably, the four groups of conical filter cartridges become smaller from top to bottom, the filter holes of the four groups of conical filter cartridges are staggered, and the uppermost group of the four groups of conical filter cartridges is fixed to the inner wall of the washing tower.
[0011] Preferably, the gas pipe 1, gas pipe 2 and air guide pipe correspond to the upper and lower filter cores in the drying shell respectively, and the connection between the gas pipe 2 and the bioreactor is located at the lower side of the filter screen.
[0012] Preferably, the four groups of filter elements are evenly arranged in a circle, and the gears are meshed with the gear ring.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] The hydrogen sulfide gas is discharged into the lower part of the scrubbing tower through the air inlet pipe, and the mixed biological solution in the bioreactor is pumped out by the liquid pump on the connecting pipe 2, and sprayed into the scrubbing tower by the spray head, so that the hydrogen sulfide gas contacts with it, and the hydrogen sulfide gas is dissolved in the biological solution in the form of sulfide. Sodium hydroxide is added to the biological solution to maintain the alkalinity and pH value, and nutrients are added and water is supplemented, so that the biological solution contains sulfur-processing bacteria. The treated gas flows upward to the top of the scrubbing tower, is discharged from the air guide pipe, and enters the drying component for treatment. The sulfur bacteria contained in the biological solution in the scrubbing tower stage do not participate in the reaction, and flow to the lower side of the scrubbing tower, only separating the sulfur element in the gas, and It gathers at the bottom of the washing tower, and then the connecting pipe 1 and the connected liquid pump are used to transport the hydrogen sulfide liquid at the bottom to the bioreactor, and then a reasonable amount of air is added to the biological solution in the bioreactor through the use of a blower and an electric water valve. With the help of oxygen in the air, countless bacteria consume the sulfide in the liquid and excrete elemental sulfur. The washing liquid has been regenerated through the release of sulfur, and is again sent to the washing tower for circulation treatment by the connecting pipe 2 and the connected liquid pump. Part of the washing liquid separated from the lower side of the bioreactor is sent to the gravity settler through the connecting pipe 3 and the connected liquid pump, and then the slag and water are separated by the use of a centrifuge or a filter press. The solid biological sulfur produced can be used as a sulfur-based fungicide or a sulfur component of a fertilizer.
[0015] When hydrogen sulfide gas passes through the four groups of conical filter cartridges, the filter holes of the four groups of conical filter cartridges are staggered, so that the hydrogen sulfide gas passes through the four groups of conical filter cartridges one by one, and the biological solution reacts with it more fully and efficiently. The airflow blown by the blower is guided into the air connecting pipe through the air supply pipe, blowing the internal blades and rings to rotate, and then blown out from the exhaust pipe, driving the rotating rod and the four groups of scrapers to rotate, scraping off the reacted hydrogen sulfide on the four groups of conical filter cartridges for more efficient utilization.
[0016] After the gas is discharged from the air duct, it is dried and filtered through the corresponding filter element in the drying shell, and the motor drives the gear to drive the rotating disk to rotate evenly, so that the four groups of filter elements can switch. The air blown in by the blower on the lower side is blown to the corresponding filter element through the air supply pipe 2 to avoid saturation and ineffective use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency hydrogen sulfide gas absorption device of the present invention;
[0018] Figure 2 It is a schematic diagram of the overall partial cross-section structure of a high-efficiency hydrogen sulfide gas absorption device of the present invention;
[0019] Figure 3 This is a schematic diagram of the partial internal structure of a purification component of a high-efficiency hydrogen sulfide gas absorption device of the present invention;
[0020] Figure 4 A schematic diagram of the partial structure of a purification component of a high-efficiency hydrogen sulfide gas absorption device of the present invention Figure 1 ;
[0021] Figure 5 A schematic diagram of the partial structure of a purification component of a high-efficiency hydrogen sulfide gas absorption device of the present invention Figure 2 ;
[0022] Figure 6 This is a schematic diagram of the structure of a drying component of a high-efficiency hydrogen sulfide gas absorption device of the present invention;
[0023] Figure 7 This is a schematic diagram of the partial cross-section structure of a drying component of a high-efficiency hydrogen sulfide gas absorption device of the present invention.
[0024] In the figure: 1, washing tower; 2, bioreactor; 3, settler; 4, connecting pipe 1; 5, connecting pipe 2; 6, connecting pipe 3; 7, liquid pump; 8, air inlet pipe; 9, air guide pipe; 10, sprinkler head; 11, introduction pipe; 12, filter screen; 13, discharge pipe; 14, purification component; 141, convex shell; 142, ring; 143, blade; 144, air connection pipe; 145, exhaust pipe; 146, round Rod; 147, rotating rod; 148, scraper; 149, conical filter cartridge; 1410, connecting strip; 15, drying assembly; 151, gas pipe 1; 152, gas pipe 2; 153, electric water valve; 154, branch pipe; 155, blower; 156, drying shell; 157, rotating disk; 158, filter element; 159, gear ring; 1510, fixing plate; 1511, motor; 1512, gear. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are relative relationships of directions or positions, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0027] See also Figure 1-Figure 7The present invention provides an embodiment: a high-efficiency hydrogen sulfide gas absorption device, comprising a washing tower 1, a bioreactor 2 is arranged on one side of the washing tower 1, a settler 3 is arranged on one side of the bioreactor 2, a connecting pipe 1 4 is fixedly connected between the washing tower 1 and the bioreactor 2 near the bottom position, a connecting pipe 2 5 is fixedly connected between the washing tower 1 and the bioreactor 2 near the opposite side, a connecting pipe 3 6 is fixedly connected between the bioreactor 2 and the settler 3 near the opposite side, and the connecting pipe 1 4, the connecting pipe 2 5, and the connecting pipe 3 6 are fixedly connected. A liquid pump 7 is fixedly arranged respectively, an air inlet pipe 8 is fixedly connected to one side of the washing tower 1, an air guide pipe 9 is fixedly connected to the upper end of the washing tower 1, a spray head 10 is fixedly connected to the upper end of the connecting pipe 2 5 near the inner side of the washing tower 1, three groups of introduction pipes 11 are fixedly connected to the front lower side of the bioreactor 2, a filter screen 12 is fixedly arranged on the inner side of the bioreactor 2, a discharge pipe 13 is fixedly arranged at the lower end of the settler 3, a purification component 14 is arranged on the inner side of the washing tower 1, and a drying component 15 is arranged on the air guide pipe 9 and the upper side of the bioreactor 2.
[0028] The bioreactor 2 contains a bicarbonate aqueous solution and sodium hydroxide, nutrients and water. The connection between the connecting pipe 2 5 and the bioreactor 2 is located on the upper side of the filter screen 12, and the connection between the connecting pipe 3 6 and the bioreactor 2 is located on the lower side of the filter screen 12. The filter screen 12 separates the internal cavity of the bioreactor 2, and a control valve is fixedly installed on the discharge pipe 13.
[0029] The hydrogen sulfide gas is discharged into the lower part of the scrubbing tower 1 through the air inlet pipe 8, and the mixed biological solution in the bioreactor 2 is pumped by the liquid pump 7 on the connecting pipe 2 5, and sprayed on the scrubbing tower 1 by the spray head 10, so that the hydrogen sulfide gas contacts with it, so that the hydrogen sulfide gas is dissolved in the biological solution in the form of sulfide, and sodium hydroxide is added to the biological solution to maintain the alkalinity and pH value, and nutrients are added and water is supplemented, so that the biological solution contains sulfur-processing bacteria. The treated gas flows upward to the top of the scrubbing tower 1, is discharged from the air guide pipe 9, and enters the drying component 15 for treatment. The sulfur bacteria contained in the biological solution in the scrubbing tower 1 stage do not participate in the reaction, and flow to the lower side of the scrubbing tower 1, only the sulfur element in the gas is separated and concentrated. Collected at the bottom of the washing tower, and then the connecting pipe 1 4 and the connected liquid pump 7 are used to transport the hydrogen sulfide liquid at the bottom to the bioreactor 2, and then a reasonable amount of air is added to the biological solution in the bioreactor 2 through the use of the blower 155 and the electric water valve 153. With the help of oxygen in the air, countless bacteria consume the sulfide in the liquid and excrete elemental sulfur. The washing liquid has been regenerated through the release of sulfur, and is again sent to the washing tower 1 for circulation treatment by the connecting pipe 2 5 and the connected liquid pump 7. Part of the washing liquid separated from the lower side of the bioreactor 2 is sent to the gravity settler through the connecting pipe 3 6 and the connected liquid pump 7, and then the slag and water are separated by the use of a centrifuge or a filter press. The solid biological sulfur produced can be used as a sulfur-based fungicide or a sulfur component of a fertilizer.
[0030] The purification component 14 includes a convex shell 141 fixedly arranged on the washing tower 1, a circular ring 142 is rotatably arranged on the inner side of the convex shell 141, a plurality of groups of blades 143 are fixedly arranged on the outer side of the circular ring 142 near the inner position of the convex shell 141, an air receiving pipe 144 is fixedly arranged on one side of the convex shell 141, an exhaust pipe 145 is fixedly arranged on one side of the convex shell 141 corresponding to the rear side of the air receiving pipe 144, a plurality of groups of round rods 146 are fixedly arranged on the inner side of the circular ring 142, a rotating rod 147 is fixedly arranged between the plurality of groups of round rods 146, four groups of scrapers 148 are fixedly arranged on the outer side of the rotating rod 147, four groups of conical filter cartridges 149 are movably arranged on the outer side of the rotating rod 147, and four groups of connecting strips 1410 are fixedly connected between the four groups of conical filter cartridges 149, respectively.
[0031] The air inlet pipe 144 and the exhaust pipe 145 are connected to the interior of the convex shell 141, the rotating rod 147 passes through the interior of the four groups of conical filter cartridges 149, and the four groups of scrapers 148 are respectively attached to the inner walls of the four groups of conical filter cartridges 149. The four groups of conical filter cartridges 149 become smaller from top to bottom, and the filter holes of the four groups of conical filter cartridges 149 are staggered. The uppermost group of the four groups of conical filter cartridges 149 is fixed to the inner wall of the washing tower 1.
[0032] When the hydrogen sulfide gas passes through the four groups of conical filter cartridges 149, the filter holes of the four groups of conical filter cartridges 149 are staggered, so that the hydrogen sulfide gas passes through the four groups of conical filter cartridges 149 one by one, and the biological solution reacts with it more fully and efficiently. The airflow blown by the blower 155 is guided to the air connecting pipe 144 through the air supply pipe 151, blowing the internal blades 143 and the ring 142 to rotate, and then blown out from the exhaust pipe 145, driving the rotating rod 147 and the four groups of scrapers 148 to rotate, scraping the reacted hydrogen sulfide on the four groups of conical filter cartridges 149, and making more efficient use of it.
[0033] The drying assembly 15 includes an air delivery pipe 151 fixedly connected to the air connection pipe 144, an air delivery pipe 2 152 fixedly connected to one side of the bioreactor 2, two groups of electric water valves 153 fixedly installed on the air delivery pipe 2 152, a branch pipe 154 fixedly connected to the rear side of the air delivery pipe 2 152 near the position between the two groups of electric water valves 153, a blower 155 fixedly installed on the rear side of the branch pipe 154, a drying shell 156 fixedly connected to the air delivery pipe 1 151, the air delivery pipe 2 152, and the air guide pipe 9, a rotating disk 157 is rotatably provided on the inner side of the drying shell 156, four groups of filter cores 158 are provided on the inner side of the rotating disk 157, a gear ring 159 is provided in the middle position of the rotating disk 157, a fixed plate 1510 is fixedly provided at the lower end of the drying shell 156, a motor 1511 is fixedly installed on one end of the fixed plate 1510, and a gear 1512 is fixedly connected to one side of the rotating shaft of the motor 1511.
[0034] Gas pipe 1 151, gas pipe 2 152, and air guide pipe 9 correspond to the upper and lower filter cores 158 in the drying shell 156 respectively. The connection between gas pipe 2 152 and bioreactor 2 is located at the lower side of the filter screen 12. The four groups of filter cores 158 are evenly arranged in a circle, and the gear 1512 and the gear ring 159 are meshed.
[0035] After the gas is discharged from the air guide pipe 9, it is dried and filtered by the corresponding filter element 158 in the drying shell 156, and the motor 1511 drives the gear 1512 to drive the rotating disk 157 to rotate evenly, so that the four groups of filter elements 158 can switch to work, and the air blown in by the blower 155 on the lower side is blown to the corresponding filter element 158 through the air supply pipe 152 to avoid saturation and ineffective use.
[0036] Working principle: When in use, hydrogen sulfide gas is discharged into the lower side of the scrubbing tower 1 through the air inlet pipe 8, and the mixed biological solution in the bioreactor 2 is pumped by the liquid pump 7 on the connecting pipe 5, and sprayed on the scrubbing tower 1 by the spray head 10, and the hydrogen sulfide gas contacts with it, so that the hydrogen sulfide gas is dissolved in the biological solution in the form of sulfide, and sodium hydroxide is added to the biological solution to maintain the alkalinity and pH value, and nutrients are added and water is supplemented, so that the biological solution contains sulfur-processing bacteria. The treated gas flows upward to the top of the scrubbing tower 1, is discharged by the air guide pipe 9, and enters the drying component 15 for treatment, and in the scrubbing The sulfur bacteria contained in the biological solution in the tower 1 stage do not participate in the reaction and flow to the lower side of the washing tower 1. Only the sulfur element in the gas is separated and gathered at the bottom of the washing tower. Then, the liquid of hydrogen sulfide at the bottom is transported to the bioreactor 2 by the connecting pipe 14 and the connected liquid pump 7. Then, a reasonable amount of air is added to the biological solution in the bioreactor 2 by using the blower 155 and the electric water valve 153. With the help of oxygen in the air, countless bacteria consume the sulfide in the liquid and excrete elemental sulfur. The washing liquid has been regenerated by the release of sulfur and is again sent to the washing tower 1 by the connecting pipe 25 and the connected liquid pump 7. Circulation treatment, part of the washing liquid separated from the lower side of the bioreactor 2 is sent to the gravity settler through the connecting pipe 3 6 and the connected liquid pump 7, and then the slag and water are separated by the use of a centrifuge or a filter press, and the solid biological sulfur produced can be used as a sulfur-based fungicide or a sulfur component of a fertilizer; and when the hydrogen sulfide gas passes through the four groups of conical filter cartridges 149, the filter holes of the four groups of conical filter cartridges 149 are staggered, so that the hydrogen sulfide gas passes through the four groups of conical filter cartridges 149 one by one, and the biological solution reacts with it more fully and efficiently, and the airflow blown out by the blower 155 is guided to the air receiving pipe 144 through the air supply pipe 151, blowing the internal blades 1 43. The ring 142 rotates and blows out from the exhaust pipe 145, driving the rotating rod 147 and the four scraper racks 148 to rotate, scraping off the reacted hydrogen sulfide on the four conical filter cartridges 149 for more efficient use; and the gas discharged from the air guide pipe 9 is dried and filtered by the corresponding filter element 158 in the drying shell 156, and the gear 1512 is driven by the motor 1511 to drive the rotating disk 157 to rotate evenly, so that the four filter elements 158 are switched, and the air blown in by the blower 155 on the lower side is blown to the corresponding filter element 158 through the air supply pipe 152 to avoid saturation and ineffective use.
[0037] The washing tower 1, bioreactor 2, settler 3, liquid pump 7, blower 155, and motor 1511 in the present invention are common knowledge in the field, and their working principles are already well-known technologies, and the equipment is selected according to the actual use. Suitable models, so they will not be explained in detail.
[0038] 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 highly efficient hydrogen sulfide gas absorption device, comprising a washing tower (1), characterized in that: A bioreactor (2) is disposed on one side of the washing tower (1), a settler (3) is disposed on one side of the bioreactor (2), a connecting pipe (4) is fixedly connected between the washing tower (1) and the bioreactor (2) near the bottom, a connecting pipe (5) is fixedly connected between the washing tower (1) and the bioreactor (2) near the opposite side, a connecting pipe (6) is fixedly connected between the bioreactor (2) and the settler (3) near the opposite side, and a liquid pump (7) is fixedly disposed on each of the connecting pipes (4), (5) and (6). One side is fixedly connected with an air inlet pipe (8), the upper end of the washing tower (1) is fixedly connected with an air guide pipe (9), the upper end of the connecting pipe 2 (5) is fixedly connected with a spray head (10) near the inner side of the washing tower (1), three groups of inlet pipes (11) are fixedly connected to the lower front side of the bioreactor (2), a filter screen (12) is fixedly arranged on the inner side of the bioreactor (2), a discharge pipe (13) is fixedly arranged on the lower end of the settler (3), a purification component (14) is arranged on the inner side of the washing tower (1), and a drying component (15) is arranged between the air guide pipe (9) and the upper side of the bioreactor (2); The purification component (14) comprises a convex shell (141) fixedly arranged on the washing tower (1), a circular ring (142) rotatably arranged on the inner side of the convex shell (141), a plurality of groups of blades (143) fixedly arranged on the outer side of the circular ring (142) close to the inner position of the convex shell (141), an air connection pipe (144) fixedly arranged on one side of the convex shell (141), an exhaust pipe (145) fixedly arranged on one side of the convex shell (141) at a position corresponding to the rear side of the air connection pipe (144), a plurality of groups of round rods (146) fixedly arranged on the inner side of the circular ring (142), a rotating rod (147) fixedly arranged between the plurality of groups of the round rods (146), four groups of scrapers (148) fixedly arranged on the outer side of the rotating rod (147), four groups of conical filter cartridges (149) movably arranged on the outer side of the rotating rod (147), and four groups of connecting strips (1410) fixedly connected between the four groups of the conical filter cartridges (149); The drying assembly (15) comprises a first air supply pipe (151) fixedly connected to the air connection pipe (144); a second air supply pipe (152) is fixedly connected to one side of the bioreactor (2); two groups of electric water valves (153) are fixedly installed on the second air supply pipe (152); a branch pipe (154) is fixedly connected to the rear side of the second air supply pipe (152) near the position between the two groups of electric water valves (153); a blower (155) is fixedly installed on the rear side of the branch pipe (154); the first air supply pipe (151), the second air supply pipe (152), and the air guide pipe (155) are fixedly connected to the second air supply pipe (152); and a second air supply pipe (152) and an air guide pipe (155) are fixedly installed on the rear side of the branch pipe (154). A drying shell (156) is fixedly connected to the tube (9); a rotating disk (157) is rotatably arranged inside the drying shell (156); four groups of filter elements (158) are arranged inside the rotating disk (157); a gear ring (159) is arranged in the middle of the rotating disk (157); a fixing plate (1510) is fixedly arranged at the lower end of the drying shell (156); a motor (1511) is fixedly mounted on one end of the fixing plate (1510); and a gear (1512) is fixedly connected to one side of the rotating shaft of the motor (1511).
2. A high-efficiency hydrogen sulfide gas absorption device according to claim 1, characterized in that: The bioreactor (2) contains a bicarbonate aqueous solution and is added with sodium hydroxide, nutrients and water. The connection point between the second connecting pipe (5) and the bioreactor (2) is located above the filter screen (12). The connection point between the third connecting pipe (6) and the bioreactor (2) is located below the filter screen (12). The filter screen (12) isolates the internal cavity of the bioreactor (2). A control valve is fixedly mounted on the discharge pipe (13).
3. The high-efficiency hydrogen sulfide gas absorption device according to claim 1 is characterized in that: The air receiving pipe (144) and the exhaust pipe (145) are in communication with the interior of the convex shell (141); the rotating rod (147) passes through the interior of four groups of conical filter cartridges (149); and the four groups of scrapers (148) are respectively attached to the inner walls of the four groups of conical filter cartridges (149).
4. The high-efficiency hydrogen sulfide gas absorption device according to claim 1, characterized in that: The four groups of conical filter cartridges (149) become smaller from top to bottom, the filter holes of the four groups of conical filter cartridges (149) are staggered, and the uppermost group of the four groups of conical filter cartridges (149) is fixedly arranged on the inner wall of the washing tower (1).
5. The high-efficiency hydrogen sulfide gas absorption device according to claim 1, characterized in that: The gas supply pipe 1 (151), the gas supply pipe 2 (152), and the air guide pipe (9) respectively correspond to the upper and lower filter cores (158) in the drying shell (156), and the connection between the gas supply pipe 2 (152) and the bioreactor (2) is located at the lower side of the filter screen (12).
6. The high-efficiency hydrogen sulfide gas absorption device according to claim 1, characterized in that: The four groups of filter cores (158) are evenly arranged in a circle, and the gear (1512) and the gear ring (159) are meshed.
Citation Information
Patent Citations
Biological fine desulfurization treatment system for biogas
CN113583726A