Biological desulfurization device

By installing sensors in the biological desulfurization unit to regulate pH and temperature, utilizing the pump body and nozzles to form a mixture that moves repeatedly, and driving the impeller to turbulent the flow through a servo motor, the problem of insufficient environment for microbial attachment and growth is solved, enabling the full reaction and efficient conversion of sulfur-containing gases under light-free conditions.

CN223586913UActive Publication Date: 2025-11-25SHANGHAI PANGKE ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202423208166.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-25
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing biological desulfurization devices cannot effectively provide a microbial attachment and growth environment under light-free conditions, resulting in insufficient reaction between sulfur-containing gases and anaerobic photosynthetic sulfur bacteria, and some sulfides fail to be converted.

Method used

A biological desulfurization device was designed, comprising a reaction cylinder, a side box, a sulfur-containing gas input pipe, a buffer pipe, a gas flow pipe, a microbial input pipe, and auxiliary components. The pH value and temperature are adjusted by sensors, and the pump body and nozzles form a mixture that moves repeatedly. The support and protrusions provide an environment for attachment and growth, and the impeller driven by a servo motor enhances the contact between the gas and the microorganisms by turbulence.

Benefits of technology

It improves the efficiency of biological desulfurization, ensures that sulfur-containing gases react fully under light-free conditions, enhances the microbial attachment and growth environment, and improves the sulfide conversion effect.

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Abstract

The utility model relates to the technical field of desulfurization devices, and discloses a biological desulfurization device which comprises a rack, and a reaction cylinder and a side box are fixedly mounted at the top of the rack. According to the biological desulfurization device, in order to better perform biological desulfurization, the desulfurization assembly is arranged, sulfur-containing gas is input into the reaction cylinder in cooperation with a sulfur-containing gas input pipe, the pH value can be adjusted in cooperation with a pH value sensor and a buffering agent pipe, the temperature can be adjusted in cooperation with a temperature sensor and a gas flow pipe, and treated gas can be output in cooperation with an exhaust pipe; microorganisms can be input in cooperation with a microorganism input pipe, the interior of the reaction cylinder can be cleaned in cooperation with a cleaning opening, a pump body is started, a mixture can move repeatedly in cooperation with a short pipe, a control valve, a long pipe, a side pipe and a spray head, more attachment growth environments can be provided for the microorganisms in cooperation with a support, a connecting rod, a thin plate and a protrusion, and then biological desulfurization can be better carried out; a filter screen is matched to prevent impurities from being discharged out of the reaction cylinder.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a desulfurization device technical field, concretely is a kind of biological desulfurization device. BACKGROUND

[0002] With the increasingly stringent environmental protection requirements, the sulfide emission control in industrial waste gas and fuel is increasingly important, the traditional chemical desulfurization method can effectively remove sulfide, but there are some limitations, such as high cost, easy to produce secondary pollution etc., biological desulfurization technology as a new green environmental protection technology arises at the historic moment.

[0003] Biological desulfurization is mainly to use the metabolism of microorganism to oxidize sulfide into elemental sulfur or sulfate ion, this technology uses the physiological characteristics of specific microorganism, and carries out desulfurization reaction under mild conditions (such as normal temperature, normal pressure), these microorganisms include sulfur-oxidizing bacteria, photosynthetic sulfur bacteria etc., sulfur-oxidizing bacteria (such as sulfur-oxidizing bacteria) can oxidize hydrogen sulfide (H2S) into sulfuric acid in aerobic environment.

[0004] And in anaerobic reaction stage, pretreated sulfur-containing gas enters anaerobic biological reaction cylinder, and needs to be maintained at appropriate temperature and pH value, but the current reaction equipment cannot provide more attachment growth environment for microorganism, so that sulfur-containing gas cannot well react with anaerobic photosynthetic sulfur bacteria microorganism under lightless condition, and part of sulfide is converted, in view of this, we provide a kind of biological desulfurization device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of biological desulfurization device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of biological desulfurization device, including frame, reaction cylinder and side box are fixedly installed on the top of frame, the side box is fixedly installed on the outside of reaction cylinder bottom end, the inside of reaction cylinder and side box is connected, the arc outer wall of reaction cylinder is fixedly installed with sulfur-containing gas input pipe, buffer agent pipe and airflow pipe from bottom to top respectively, the end of sulfur-containing gas input pipe away from reaction cylinder is provided with sulfur-containing gas delivery equipment, the end of buffer agent pipe away from reaction cylinder is provided with pH value adjusting equipment, the end of airflow pipe away from reaction cylinder is provided with temperature control equipment, exhaust pipe is fixedly installed on the top of reaction cylinder, the end of exhaust pipe away from reaction cylinder is provided with pipeline connection equipment, electromagnetic valve is provided on sulfur-containing gas input pipe, buffer agent pipe, airflow pipe and exhaust pipe, microorganism input pipe is fixedly installed on the side box, the end of microorganism input pipe away from side box is provided with microorganism input equipment, pH value sensor and temperature sensor are fixedly installed on the inside of side box, desulfurization component is provided on the reaction cylinder, and the desulfurization component includes:

[0008] Pump body, the top of frame is fixedly installed with pump body, the input end of pump body is fixedly connected with one end of short pipe, the other end of short pipe is fixedly installed on the inside of side box bottom end, control valve is provided on the short pipe, the output end of pump body is fixedly connected with one end of long pipe, the other end of long pipe is fixedly installed on the inside of reaction cylinder;

[0009] Side pipe, the end of long pipe away from side box is fixedly installed with side pipe, the bottom end of side pipe is rotatably installed with shower head, and the shower head is spiral-shaped;

[0010] Support, the inside of reaction cylinder is fixedly installed with support, the bottom end of support is fixedly installed with connecting rod, the outside of connecting rod is fixedly installed with sheet, and the sheet is fixedly installed with protrusion.

[0011] Preferably, the top of side box is hingedly installed with self-locking cleaning port, and the cleaning port is provided with cleaning equipment, which includes pipeline, water supply equipment and liquid pumping equipment extending into the inside of side box.

[0012] Preferably, the top inside of reaction cylinder is clamped with filter screen, and the filter screen is matched to prevent impurities from being discharged from the reaction cylinder.

[0013] Preferably, the side pipe and shower head are provided with multiple groups, the support and connecting rod are provided with multiple groups, and the sheet and protrusion on a single group of connecting rods are provided with multiple groups, so that the desulfurization effect is better.

[0014] Preferably, the bottom end of reaction cylinder is provided with auxiliary component, the auxiliary component includes servo motor, the top end of frame is fixedly installed with servo motor, the inside of reaction cylinder bottom end is fixedly installed with sealing bearing outside, the output end of servo motor is fixedly installed with rotating shaft, and the rotating shaft is fixedly installed on the inside of sealing bearing.

[0015] Preferably, the rotating shaft is fixedly installed with an impeller, so that the sulfur-containing gas is in full contact with the microorganisms, thereby bettering the effect of biological desulfurization.

[0016] Compared with the prior art, the biological desulfurization device has the following beneficial effects:

[0017] 1. The biological desulfurization device is better for biological desulfurization by being provided with a desulfurization assembly, cooperating with a sulfur-containing gas input pipe to input sulfur-containing gas into the reaction cylinder, cooperating with a pH value sensor and a buffer pipe to adjust the pH value, cooperating with a temperature sensor and an air flow pipe to adjust the temperature, cooperating with an exhaust pipe to output the treated gas, cooperating with a microorganism input pipe to input microorganisms, cooperating with a cleaning port to clean the inside of the reaction cylinder, starting the pump body, cooperating with the short pipe, the control valve, the long pipe, the side pipe and the spray head to repeatedly move the mixture, cooperating with the bracket, the connecting rod, the thin plate and the protrusion to provide more attachment and growth environment for the microorganisms, thereby bettering the biological desulfurization, and cooperating with the filter screen to prevent impurities from being discharged from the reaction cylinder.

[0018] 2. The biological desulfurization device is better for biological desulfurization by being provided with an auxiliary assembly, when the servo motor is started, the rotating shaft is made to rotate by cooperating with the sealing bearing, so that the impeller rotates, thereby disturbing the flow in the reaction cylinder, so that the sulfur-containing gas is in full contact with the microorganisms, thereby bettering the effect of biological desulfurization. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a top view schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a top view schematic diagram of the overall structure of the utility model from another perspective;

[0021] Figure 3 It is a sectional view schematic diagram of the reaction cylinder of the utility model from the bottom; Figure 2 It is an enlarged structure schematic diagram of area A in the utility model;

[0022] Figure 4 It is a sectional view schematic diagram of the reaction cylinder of the utility model from the bottom;

[0023] Figure 5 It is an enlarged structure schematic diagram of area B in the utility model; Figure 4 It is an enlarged structure schematic diagram of area C in the utility model;

[0024] Figure 6 It is an enlarged structure schematic diagram of area C in the utility model; Figure 4 It is an enlarged structure schematic diagram of area C in the utility model;

[0025] Figure 7 It is a sectional view schematic diagram of part of the structure of the utility model from the bottom;

[0026] Figure 8 For the utility model Figure 7 The middle D area amplification structure schematic view;

[0027] Figure 9 For the utility model Figure 7 The middle E area amplification structure schematic view.

[0028] In the figure: 1, rack;2, reaction cylinder;3, side box;41, sulfur-containing gas input pipe;42, buffer pipe;43, air flow pipe;44, exhaust pipe;45, electromagnetic valve;46, microbial input pipe;47, pH sensor;48, temperature sensor;49, cleaning port;5, desulfurization assembly;51, pump body;52, short pipe;53, control valve;54, long pipe;55, side pipe;56, spray head;57, support;58, connecting rod;59, sheet;510, protrusion;511, filter screen;6, auxiliary assembly;61, servo motor;62, sealed bearing;63, rotating shaft;64, impeller. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Please refer to Figure 1 - Figure 9 The utility model provides a technical scheme:

[0031] The utility model provides a kind of biological desulfurization device, including frame 1, reaction cylinder 2 and side box 3 are fixedly installed on the top of frame 1, side box 3 is fixedly installed to the bottom end outside of reaction cylinder 2, and the inside of reaction cylinder 2 and side box 3 is communicated, and the arc-shaped outer wall of reaction cylinder 2 is fixedly installed with sulfur-containing gas input pipe 41, buffer agent pipe 42 and airflow pipe 43 from bottom to top respectively, sulfur-containing gas input pipe 41 is provided with sulfur-containing gas delivery equipment at the end away from reaction cylinder 2, and sulfur-containing gas enters reaction cylinder 2 by sulfur-containing gas delivery equipment through sulfur-containing gas input pipe 41, buffer agent pipe 42 is provided with pH value adjusting equipment at the end away from reaction cylinder 2, and pH value sensor 47 monitors the pH value of sulfur-containing gas during gas entering, if the pH value is not in the range of 6-7, pH value adjusting equipment connected with buffer agent pipe 42 is controlled, and buffer agent pipe 42 is opened by electromagnetic valve 45 to input buffer agent to adjust pH value, so that it is maintained in suitable range, airflow pipe 43 is provided with temperature control equipment at the end away from reaction cylinder 2, and exhaust pipe 44 is fixedly installed on the top of reaction cylinder 2, exhaust pipe 44 is provided with pipeline connection equipment at the end away from reaction cylinder 2, and electromagnetic valve 45 is arranged on sulfur-containing gas input pipe 41, buffer agent pipe 42, airflow pipe 43 and exhaust pipe 44, and temperature sensor 48 monitors the temperature in reaction cylinder 2, if the temperature is not in the range of 25-35 DEG C suitable for microorganism growth, temperature control equipment connected with airflow pipe 43 is opened by electromagnetic valve 45 to input hot airflow to adjust temperature, side box 3 is fixedly installed with microorganism input pipe 46, microorganism input pipe 46 is provided with microorganism input equipment at the end away from side box 3, and pH value sensor 47 and temperature sensor 48 are fixedly installed in side box 3, in addition, self-locking cleaning port 49 is hingedly installed on the top of side box 3, and cleaning equipment is arranged on cleaning port 49, and the cleaning equipment includes pipeline, water supply equipment and liquid pumping equipment that extend into the inside of side box 3, since this is prior art prior art equipment, so here is not redundant.

[0032] In an embodiment of the utility model, reaction cylinder 2 is provided with desulfurization assembly 5, desulfurization assembly 5 includes pump body 51, the top of frame 1 is fixedly installed with pump body 51, the input end of pump body 51 is fixedly connected with one end of short pipe 52, the other end of short pipe 52 is fixedly installed in the inside of bottom end of side box 3, control valve 53 is arranged on short pipe 52, the output end of pump body 51 is fixedly connected with one end of long pipe 54, the other end of long pipe 54 is fixedly installed in the inside of reaction cylinder 2, microorganism is input into side box 3 through microorganism input equipment via microorganism input pipe 46, when starting pump body 51, sulfur-containing gas is transported to side pipe 55 under the action of pump body 51 via short pipe 52 (the control valve 53 on short pipe 52 controls the on-off of gas) and long pipe 54, one end of long pipe 54 away from side box 3 is fixedly installed with side pipe 55, the bottom end of side pipe 55 is rotatably installed with shower head 56, shower head 56 is spiral, the inside of reaction cylinder 2 is fixedly installed with support 57, support 57 bottom end is fixedly installed with connecting rod 58, and the spiral shower head 56 at the bottom end of side pipe 55 sprays out, and the shower head 56 self-rotates due to the effect of airflow, so that the sulfur-containing gas forms a repeated mixture in the reaction cylinder 2, a plurality of supports 57 are arranged in the reaction cylinder 2, the outside of connecting rod 58 is fixedly installed with sheet 59, the sheet 59 is fixedly installed with protrusion 510, in addition, side pipe 55 and shower head 56 are provided with a plurality of groups, support 57 and connecting rod 58 are provided with a plurality of groups, and the sheet 59 and protrusion 510 on a single connecting rod 58 are provided with a plurality of groups, so that the desulfurization effect is better, in addition, the inside of the top end of reaction cylinder 2 is clamped with filter screen 511, cooperates with filter screen 511 to prevent impurities from discharging reaction cylinder 2, cooperates with sheet 59 and protrusion 510, these structures provide more attachment growth environment for microorganism, under the condition of no light, sulfur-containing gas and anaerobic photosynthetic sulfur bacteria microorganism react, and part of sulfide is converted, and the treated gas is discharged via exhaust pipe 44, and the exhaust pipe 44 is connected with subsequent treatment device through pipeline connection equipment, the filter screen 511 prevents impurities from discharging reaction cylinder 2, when the sulfur-containing gas treatment is completed, the water supply equipment at cleaning port 49 is started, the clean water enters into the inside of side box 3 through the pipeline in the inside of side box 3 through the repeated pumping of pump body 51, and then the mixture is pumped out by starting the liquid pumping equipment.

[0033] In an embodiment of the utility model, the bottom end of reaction cylinder 2 is provided with auxiliary assembly 6, auxiliary assembly 6 includes servo motor 61, the top end lower surface of frame 1 is fixedly installed with servo motor 61, the inside of bottom end of reaction cylinder 2 is fixedly installed with the outside of sealing bearing 62, the output end of servo motor 61 is fixedly installed with rotating shaft 63, rotating shaft 63 is fixedly installed in the inside of sealing bearing 62, further, starting servo motor 61 drives rotating shaft 63 to rotate, rotating shaft 63 stably rotates through sealing bearing 62, in addition, the outside of rotating shaft 63 is fixedly installed with impeller 64, impeller 64 on the outside of rotating shaft 63 rotates along, and the inside of reaction cylinder 2 is disturbed, so that sulfur-containing gas and microorganism contact fully, thereby improving the effect of biological desulfurization.

[0034] Working principle: sulfur-containing gas enters the reaction cylinder 2 through the sulfur-containing gas conveying device and the sulfur-containing gas inlet pipe 41, and in the process of entering the gas, the pH sensor 47 monitors the pH value of the sulfur-containing gas, if the pH value is not in the range of 6-7, the pH value adjusting device connected with the buffer pipe 42 is controlled to open the buffer pipe 42 through the electromagnetic valve 45 to input the buffer to adjust the pH value, so that it is maintained in the appropriate range, at the same time, the temperature sensor 48 monitors the temperature in the reaction cylinder 2, if the temperature is not in the range of 25-35℃ suitable for the growth of microorganisms, the temperature control device connected with the air flow pipe 43 is opened through the electromagnetic valve 45 to input hot air flow to adjust the temperature, the microorganisms are input into the side box 3 through the microorganism input pipe 46 by the microorganism input device, when the pump body 51 is started, the sulfur-containing gas is conveyed to the side pipe 55 through the short pipe 52 (the control valve 53 on the short pipe 52 controls the gas on-off) and the long pipe 54 under the action of the pump body 51, and is sprayed from the spiral-shaped nozzle 56 at the bottom end of the side pipe 55, due to the self-rotation of the nozzle 56 under the action of the air flow, the sulfur-containing gas forms a repeated mixture in the reaction cylinder 2, a plurality of supports 57 are arranged in the reaction cylinder 2, cooperate with the thin plate 59 and the protrusion 510, which provide more attachment and growth environment for the microorganisms, under the condition of no light, the sulfur-containing gas reacts with the anaerobic photosynthetic sulfur bacteria microorganisms to convert part of the sulfide, and the treated gas is discharged through the exhaust pipe 44, the exhaust pipe 44 is connected with the subsequent treatment device through the pipeline connection device, and the filter screen 511 prevents impurities from being discharged from the reaction cylinder 2, when the sulfur-containing gas treatment is completed, the water supply device at the cleaning port 49 is started, and the clean water enters through the pipeline inside the side box 3 under the repeated pumping of the pump body 51, so as to clean the inside of the reaction cylinder 2 and the side box 3, and then the liquid pumping device is started to pump out the mixture.

[0035] Further, the servo motor 61 is started, the rotating shaft 63 is driven to rotate, the rotating shaft 63 rotates stably through the sealing bearing 62, and the impeller 64 on the outer side of the rotating shaft 63 rotates with it, so as to disturb the flow in the reaction cylinder 2, so that the sulfur-containing gas and the microorganisms are in full contact, thereby improving the effect of biological desulfurization.

[0036] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A biological desulfurization device, comprising a rack (1), a reaction cylinder (2) and a side box (3) are fixedly installed on the top of the rack (1), the side box (3) is fixedly installed on the outside of the bottom end of the reaction cylinder (2), the inside of the reaction cylinder (2) and the inside of the side box (3) are communicated, characterized in that: The arc-shaped outer wall of the reaction cylinder (2) is fixedly installed with a sulfur-containing gas input pipe (41), a buffer pipe (42) and an airflow pipe (43) from bottom to top, respectively, the sulfur-containing gas input pipe (41) is provided with a sulfur-containing gas conveying device at the end away from the reaction cylinder (2), the buffer pipe (42) is provided with a pH value adjusting device at the end away from the reaction cylinder (2), the airflow pipe (43) is provided with a temperature control device at the end away from the reaction cylinder (2), the top of the reaction cylinder (2) is fixedly installed with an exhaust pipe (44), the exhaust pipe (44) is provided with a pipeline connecting device at the end away from the reaction cylinder (2), the sulfur-containing gas input pipe (41), the buffer pipe (42), the airflow pipe (43) and the exhaust pipe (44) are all provided with solenoid valves (45), the side box (3) is fixedly installed with a microorganism input pipe (46), the microorganism input pipe (46) is provided with a microorganism input device at the end away from the side box (3), the inside of the side box (3) is fixedly installed with a pH value sensor (47) and a temperature sensor (48), the reaction cylinder (2) is provided with a desulfurization assembly (5), the desulfurization assembly (5) comprises: A pump body (51) is fixedly installed on the top of the rack (1), one end of the input end of the pump body (51) is fixedly connected with a short pipe (52), the other end of the short pipe (52) is fixedly installed on the inside of the bottom end of the side box (3), a control valve (53) is arranged on the short pipe (52), one end of the output end of the pump body (51) is fixedly connected with a long pipe (54), the other end of the long pipe (54) is fixedly installed on the inside of the reaction cylinder (2); A side pipe (55) is fixedly installed on the end of the long pipe (54) away from the side box (3), a spray head (56) is rotatably installed on the bottom end of the side pipe (55), the spray head (56) is in a spiral shape; A support (57) is fixedly installed on the inside of the reaction cylinder (2), a connecting rod (58) is fixedly installed on the bottom end of the support (57), a thin plate (59) is fixedly installed on the outside of the connecting rod (58), a protrusion (510) is fixedly installed on the thin plate (59).

2. A biological desulphurization apparatus according to claim 1, characterized in that: A self-locking cleaning port (49) is hingedly installed on the top end of the side box (3), the cleaning port (49) is provided with a cleaning device.

3. The biological desulfurization device according to claim 1, characterized by: A filter screen (511) is clamped on the inside of the top end of the reaction cylinder (2).

4. The biological desulfurization device according to claim 1, characterized by: Multiple groups of the side pipe (55) and the spray head (56) are arranged, multiple groups of the support (57) and the connecting rod (58) are arranged, and multiple groups of the thin plate (59) and the protrusion (510) on the connecting rod (58) are arranged.

5. The biological desulfurization device according to claim 1, characterized by: An auxiliary assembly (6) is arranged on the bottom end of the reaction cylinder (2), the auxiliary assembly (6) comprises a servo motor (61), the servo motor (61) is fixedly installed on the lower surface of the top end of the rack (1), a sealing bearing (62) is fixedly installed on the inside of the bottom end of the reaction cylinder (2), a rotating shaft (63) is fixedly installed on the output end of the servo motor (61), and the rotating shaft (63) is fixedly installed on the inside of the sealing bearing (62).

6. A biological desulphurization apparatus according to claim 5, characterized in that: A impeller (64) is fixedly installed on the outside of the rotating shaft (63).