Sulfide Hydrogen Decontamination Equipment

Abstract

To provide a hydrogen sulfide detoxification device capable of detoxifying hydrogen sulfide more efficiently.SOLUTION: A hydrogen sulfide detoxification device 1 is configured to remove hydrogen sulfide included in air, and comprises: a device main body 10 having a suction part 20 which can suck air, a hydrogen sulfide detoxification part 30 which detoxifies hydrogen sulfide from the air that the suction part 20 sucks, a discharge part 40 which discharges the air detoxified by the hydrogen sulfide detoxification part 30 to the outside, a communication part 60 which can acquire position information on hydrogen sulfide generated outside from outside, and a power supply part 100 which supplies electric power; and a travel part 50 which is provided to the device main body 10 and includes driving wheels 50a enabling the device main body 10 to travel, wherein the travel part 50 lets the device main body 10 travel to approach the hydrogen sulfide generation position based upon the acquired position information once the communication part 60 acquires the position information, and air is sucked from the suction part 20 to discharge the air passed through the hydrogen sulfide detoxification part 30 from the discharge part 40.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a hydrogen sulfide detoxification device. [Background technology]

[0002] Conventionally, there have been known techniques for detoxifying toxic hydrogen sulfide generated in manufacturing processes that handle sulfides. One example of this type of technique is Patent Document 1. Patent Document 1 describes a detoxification facility that neutralizes hydrogen sulfide gas sent from various facilities using a neutralizing agent to render it harmless, and a flare facility that combusts hydrogen sulfide gas to reduce its toxicity and render it harmless. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-152103 Summary of the Invention [Problem to be solved by the invention]

[0004] Conventional hydrogen sulfide detoxification equipment is installed so that it can detoxify the entire manufacturing process area where sulfides are handled, in order to ensure flexibility in the layout of the manufacturing process, etc. However, there is room for improvement in that detoxification cannot be carried out efficiently depending on the positional relationship with the hydrogen sulfide, such as when hydrogen sulfide is generated in a distant location.

[0005] An object of the present invention is to provide a hydrogen sulfide detoxification device that can more efficiently detoxify hydrogen sulfide. [Means for solving the problem]

[0006] (1) A hydrogen sulfide detoxification device (for example, the hydrogen sulfide detoxification device 1 described later) that removes hydrogen sulfide contained in air, comprising an intake section (for example, the intake section 20 described later) that can draw in the air, a hydrogen sulfide detoxification section (for example, the hydrogen sulfide detoxification section 30 described later) that detoxifies hydrogen sulfide from the air drawn in by the intake section, an exhaust section (for example, the exhaust section 40 described later) that discharges the air detoxified by the hydrogen sulfide detoxification section to the outside, a communication section (for example, the communication section 60 described later) that can acquire, from the outside, location information of hydrogen sulfide generated outside, and a power source (for example, a power supply unit 100 described below), and a travel unit (e.g., travel unit 50 described below) that is provided on the device body and includes drive wheels (e.g., drive wheels 50a described below) that can move the device body, wherein when the communication unit acquires the location information, the travel unit moves the device body so as to approach a hydrogen sulfide generation position based on the acquired location information, the device takes in the air through the intake unit, and discharges the air from the exhaust unit after passing through the hydrogen sulfide abatement unit.

[0007] (2) The hydrogen sulfide detoxification device according to (1), wherein the suction section is provided at the bottom of the device body.

[0008] (3) A hydrogen sulfide detoxification device according to (1) or (2), wherein the exhaust section is provided on the upper surface of the device body, and the hydrogen sulfide detoxification section is provided inside the device body.

[0009] (4) A hydrogen sulfide detoxification device according to any one of (1) to (3), wherein the location information is information detected by an external hydrogen sulfide sensor (e.g., the external hydrogen sulfide sensor 120 described below) installed outside.

[0010] (5) A hydrogen sulfide detoxification device according to any one of (1) to (4), which is provided with an internal hydrogen sulfide sensor (e.g., the hydrogen sulfide sensor 81 described later) capable of measuring the hydrogen sulfide concentration of the air detoxified by the hydrogen sulfide detoxification unit, and the discharge unit controls its discharge operation based on the hydrogen sulfide concentration detected by the internal hydrogen sulfide sensor.

[0011] (6) A hydrogen sulfide detoxification device according to any one of (1) to (5), wherein the hydrogen sulfide removal unit has a desulfurization core unit (e.g., 32d described below) which is a hydrogen sulfide removal agent mainly composed of water, a nonwoven fabric containing moisture, a desulfurization carbon material, or iron oxide, and is provided in an intake / exhaust flow path (e.g., intake / exhaust flow path 1a described below) which is a flow path of the air between the intake unit and the exhaust unit, and the exhaust unit discharges the air taken in from the intake unit through the desulfurization core unit.

[0012] (7) The hydrogen sulfide detoxification device described in (6), wherein the hydrogen sulfide detoxification unit has a water flow path that circulates through the desulfurization core unit within the intake and exhaust flow path, a water volume measuring unit that measures the amount of water circulating through the water flow path, and a warning unit that issues a warning based on the measurement results of the water volume measuring unit.

[0013] (8) A hydrogen sulfide detoxification device according to any one of (1) to (7), wherein the power source is a rechargeable battery (e.g., the battery 101 described below) that can be repeatedly charged and discharged, and the device main body is caused to move by the traveling unit so as to move to the position of a charger (e.g., the supply device 130 described below) that can charge the rechargeable battery when the capacity of the rechargeable battery falls below a predetermined level.

[0014] (9) A hydrogen sulfide detoxification device according to any one of (1) to (8), which is provided with an obstacle detection sensor (e.g., the obstacle detection sensor 84 described below) that detects surrounding obstacles, and the device main body changes the traveling operation of the traveling unit based on the detection results of the obstacle detection sensor.

[0015] (10) The hydrogen sulfide detoxifying device according to any one of (1) to (9), wherein the drive wheels are tires or caterpillars. [Effects of the Invention]

[0016] According to the present invention, it is possible to provide a hydrogen sulfide detoxification device that can more efficiently detoxify hydrogen sulfide. [Brief explanation of the drawings]

[0017] [Figure 1]1 is a schematic diagram showing an example of a hydrogen sulfide detoxification system according to an embodiment of the present invention. [Figure 2] 1 is a schematic diagram showing an example of a hydrogen sulfide detoxification device according to an embodiment of the present invention. [Figure 3] 1 is a schematic cross-sectional view showing the configuration of a hydrogen sulfide abatement section of a hydrogen sulfide abatement device according to the present invention. [Figure 4] 1 is a block diagram showing a hardware configuration of a hydrogen sulfide detoxification device according to an embodiment of the present invention. [Figure 5] 1 is a flowchart illustrating the first half of an example of a hydrogen sulfide detoxification treatment according to an embodiment of the present invention. [Figure 6] 10 is a flowchart illustrating the flow of the latter half of an example of hydrogen sulfide detoxification treatment according to one embodiment of the present invention. [Figure 7] 1 is a flowchart illustrating an example of the flow of movement control in the hydrogen sulfide detoxification treatment according to one embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0018] An example of a hydrogen sulfide detoxification system S including a hydrogen sulfide detoxification device 1 according to an embodiment of the present invention will be described below with reference to Fig. 1. Fig. 1 is a schematic diagram showing an example of a hydrogen sulfide detoxification system S according to one embodiment of the present invention.

[0019] <Hydrogen sulfide abatement system S> The hydrogen sulfide detoxification system S is applied to the manufacturing process area A where a manufacturing process that handles hydrogen sulfide is carried out, and is a system for detoxifying hydrogen sulfide generated in the manufacturing process area A.

[0020] As shown in FIG. 1, the manufacturing process area A is the interior of a room in which multiple pieces of manufacturing equipment 110, 111, and 112 that handle hydrogen sulfide are arranged. The manufacturing equipment 110, 111, and 112 are, for example, equipment for manufacturing all-solid-state batteries. Furthermore, as shown in FIG. 1, the manufacturing equipment 110, 111, and 112 according to this embodiment are unevenly located in one part of the manufacturing process area A. However, the hydrogen sulfide detoxification system S according to this embodiment can efficiently detoxify hydrogen sulfide even when the hydrogen sulfide generation location is uneven. Note that the arrangement of the manufacturing equipment is not limited to this, and the equipment may be arranged evenly within the manufacturing process area A without being unevenly located.

[0021] The hydrogen sulfide detoxification system S includes a hydrogen sulfide detoxification device 1, a plurality of external hydrogen sulfide sensors 120, and a replenishing device 130 serving as a charger, all of which are arranged in the manufacturing process area A.

[0022] The external hydrogen sulfide sensor 120 is a sensor capable of detecting hydrogen sulfide. The external hydrogen sulfide sensor 120 also has a communication unit (not shown) capable of transmitting hydrogen sulfide detection information to the outside. The hydrogen sulfide detection information includes the concentration of hydrogen sulfide and identification information for the external hydrogen sulfide sensor 120 itself, and is information that enables the presence or absence of hydrogen sulfide generation and the identification of the external hydrogen sulfide sensor 120 that detected hydrogen sulfide to be identified.

[0023] 1, the multiple external hydrogen sulfide sensors 120 are arranged at predetermined intervals so as to surround the production equipment 110, 111, and 112. However, the arrangement of the external hydrogen sulfide sensors 120 is not limited to this. Furthermore, each external hydrogen sulfide sensor 120 does not need to have a communication unit. For example, one of the multiple external hydrogen sulfide sensors 120 may have a communication unit, and this communication unit may be shared by the other external hydrogen sulfide sensors 120. Furthermore, the external hydrogen sulfide sensor 120 may communicate with the communication unit 60, which will be described later, via an external device capable of communication.

[0024] The supply device 130 is a device for making necessary supplies to the hydrogen sulfide detoxification device 1. For example, the supply device 130 charges a battery 101 (described later) of the hydrogen sulfide detoxification device 1 to supply power. In this case, the supply device 130 has a charger (not shown) that can be connected to the battery 101 to charge it. Note that the supply device 130 is not limited to supplying power to the battery 101, and may also supply water to a water tank 32a (described later), for example.

[0025] As shown in FIG. 1, the hydrogen sulfide detoxification system S according to this embodiment is configured such that, when hydrogen sulfide G is generated, an adjacent external hydrogen sulfide sensor 120 detects hydrogen sulfide G and transmits detection information to the hydrogen sulfide detoxification device 1 via short-range communication. The hydrogen sulfide detoxification device 1 identifies the location where hydrogen sulfide G has been generated based on the received detection information, sets a route to the generation location, and begins moving. Furthermore, if an obstacle P is found on the set route, the hydrogen sulfide detoxification device 1 according to this embodiment detects the obstacle P, automatically resets the route to avoid the obstacle P, and moves to the location where hydrogen sulfide G is being generated. In the example of FIG. 1, the hydrogen sulfide detoxification device 1 moves to the generation location while avoiding the obstacle P by following the trajectory indicated by the dotted arrow.

[0026] <Hydrogen sulfide abatement equipment> Next, details of the hydrogen sulfide detoxification device 1 will be described with reference to Figs. 2 to 4. Fig. 2 is a schematic diagram showing an example of the hydrogen sulfide detoxification device 1 according to one embodiment of the present invention. Fig. 3 is a schematic cross-sectional view showing the configuration of the hydrogen sulfide detoxification section 30 of the hydrogen sulfide detoxification device 1 according to the present invention. Fig. 4 is a block diagram showing the hardware configuration of the hydrogen sulfide detoxification device 1 according to one embodiment of the present invention.

[0027] The hydrogen sulfide detoxification device 1 is a device for automatically detoxifying hydrogen sulfide. As shown in Figures 2 and 3, the hydrogen sulfide detoxification device 1 has an apparatus main body 10, an intake section 20, a hydrogen sulfide detoxification section 30, an exhaust section 40, a traveling section 50, and a communication section 60, and as shown in Figure 4, a control section 70, an output section 71, an input section 72, a memory section 73, a sensor section 80, a GNSS section 90, and a power supply section 100.

[0028] The device main body 10 has a housing 10a for housing the components of the hydrogen sulfide detoxification device 1, and an internal space 10a1 formed inside the housing 10a. The housing 10a has a hollow cylindrical shape with the internal space 10a1 formed therein. However, the shape of the housing 10a is not limited to this.

[0029] In addition, suction unit 20 is configured to suck in hydrogen sulfide and sulfides. Suction unit 20 has piping 20a as shown in Fig. 3. One end of piping 20a is formed with suction port 20a1 that opens to the bottom of housing 10a. The other end of piping 20a is formed with supply port 20a2 that opens to a side surface inside housing 10a above the upper water level limit of water tank 32a (described later).

[0030] In the hydrogen sulfide detoxification device 1 according to this embodiment, the intake of hydrogen sulfide into the intake section 20 is performed by the operation of the intake and exhaust fan 40b of the exhaust section 40, which will be described later. However, this is not limited to this, and a separate intake fan may be provided in the intake section 20, and the intake operation may be performed from the intake port 20a1 by this intake fan.

[0031] Next, as shown in FIG. 3, the hydrogen sulfide abatement section 30 has a water tank 32a, a water pump 32b, a water pipe 32c, a spraying device 32e, and a desulfurization core section 32d.

[0032] Water tank 32a is configured to store water for dissolving and detoxifying hydrogen sulfide. Water tank 32a is provided in the lower part of internal space 10a1 of housing 10a. Water pump 32b is provided in water tank 32a and is a device for pumping up water stored in water tank 32a and sending the water to sprayer 32e via water piping 32c. Water piping 32c is a piping for sending water sent by water pump 32b to sprayer 32e. Sprayer 32e is provided in the upper part of internal space 10a1 and is configured to spray water sent from water piping 32c to the lower part of internal space 10a1. Sprayer 32e may be, for example, a shower or a sprinkler.

[0033] In the hydrogen sulfide abatement unit 30, a water flow path 1b for circulating water for dissolving hydrogen sulfide is formed by a water tank 32a, a water pipe 32c, and a spraying device 32e.

[0034] The desulfurization core 32d is configured to remove hydrogen sulfide. The desulfurization core 32d according to this embodiment is a nonwoven fabric soaked in water and is provided within the water flow path 1b. The desulfurization core 32d is not limited to this, and may be, for example, water stored in the water tank 32a, activated carbon as a desulfurizing carbon, or a hydrogen sulfide remover containing iron oxide as a main component. Furthermore, when the desulfurization core 32d is a hydrogen sulfide remover containing activated carbon or iron oxide as a main component, the hydrogen sulfide removal unit 30 does not need to be provided with the water flow path 1b.

[0035] In addition, the detoxification process by the hydrogen sulfide detoxification unit 30 is performed by operating the water pump 32b to send water from the water tank 32a through the water piping 32c to the spraying device 32e, and as shown in Figure 3, the spraying device 32e sprays water downward to immerse the desulfurization core unit 32d while spraying water toward the water tank 32a.

[0036] For example, hydrogen sulfide and sulfide particles contained in the air drawn in through the intake section 20 may be dropped into the water tank 32a when they hit the sprayed water, or may be trapped or dissolved in the water as they pass through the water film formed between the fibers of the nonwoven fabric of the immersed desulfurization core section 32d. Therefore, the drawn-in air is detoxified by the hydrogen sulfide abatement section 30 and becomes clean air, which is then exhausted through the exhaust section 40, which will be described later.

[0037] Next, exhaust unit 40 exhausts the clean air detoxified by the hydrogen sulfide abatement unit 30. As shown in Fig. 3, exhaust unit 40 has piping 40a and an intake / exhaust fan 40b provided within piping 40a. One end of piping 40a is formed with an opening 40a1 that opens to the top of internal space 10a1 of housing 10a, and the other end is formed with an exhaust port 40a2 that opens to the top of housing 10a.

[0038] In the hydrogen sulfide detoxification device 1 according to this embodiment, the piping 20a of the intake section 20, the internal space 10a1 of the housing 10a, and the piping 40a of the exhaust section 40 constitute an intake / exhaust flow path 1a, which is the flow path through which air is taken into the hydrogen sulfide detoxification device 1 until it is exhausted. That is, as shown in Fig. 4, in the hydrogen sulfide detoxification device 1 according to this embodiment, a water flow path 1b is provided in the intake / exhaust flow path 1a, and the water flow path 1b detoxifies the air flowing through the intake / exhaust flow path 1a.

[0039] Next, the traveling unit 50 is configured to travel while supporting the housing 10a. The traveling unit 50 has drive wheels 50a and a drive mechanism (not shown) that drives the drive wheels 50a. The drive wheels 50a are, for example, four cylindrical tires. The drive wheels 50a are arranged at equal intervals on the lower part of the housing 10a so that their outer circumferential surfaces are in contact with the ground. The drive wheels 50a are supported rotatably about a rotation axis that is approximately parallel to the vertical direction. The drive mechanism (not shown) causes the four drive wheels 50a to rotate in the tire axial direction and in the rotation axis direction, thereby causing the hydrogen sulfide detoxification device 1 to travel.

[0040] The number of drive wheels 50a is not limited to four. Also, the drive wheels 50a are not limited to tires, and may be, for example, two caterpillar tracks.

[0041] Next, the communication unit 60 is a device for communicating with external devices via short-range communication. The communication unit 60 communicates using a communication method based on a communication standard such as BLE (Bluetooth (registered trademark) Low Energy), Wi-Fi (registered trademark) (Wireless Fidelity), or NFC (Near Field Communication). The hydrogen sulfide detoxification device 1 according to this embodiment uses communication between the communication unit 60 and the external hydrogen sulfide sensor 120 described above to identify and move to a source of hydrogen sulfide G based on information from the external hydrogen sulfide sensor 120 disposed within the manufacturing process area A.

[0042] Next, the control unit 70 controls various operations of the hydrogen sulfide detoxification device 1. The control unit 70 has a processor or the like, and the processor executes arithmetic processing to realize control of various operations. However, the configuration of the control unit is not limited to this.

[0043] The input unit 72 and the output unit 71 are user interfaces that are electrically connected to an input / output interface (not shown) by wire or wirelessly. The input unit 72 is composed of, for example, operation buttons and a keyboard of the hydrogen sulfide detoxification device 1, and the output unit 71 is composed of, for example, a monitor 71a that displays images for operating the hydrogen sulfide detoxification device 1 and a buzzer 71b that issues sounds such as warning sounds. The output unit 71 and the input unit 72 may be configured such that the display function and the input function are integrated, like a touch panel.

[0044] The storage unit 73 is composed of, for example, a main storage device formed of a nonvolatile memory such as ROM or a volatile memory such as RAM, and an auxiliary storage device formed of a magnetic disk, optical disk, magneto-optical disk, semiconductor memory, or the like. The storage unit 73 according to this embodiment stores layout information for the manufacturing process area A and location information for each external hydrogen sulfide sensor 120 within the manufacturing process area A. Each external hydrogen sulfide sensor 120 is assigned identification information for identifying it. Therefore, by specifying the identification information for each external hydrogen sulfide sensor 120, the position of that external hydrogen sulfide sensor 120 can be identified from the layout information for the manufacturing process area A and the location information for the external hydrogen sulfide sensor 120.

[0045] The sensor unit 80 also includes a hydrogen sulfide sensor 81 as an internal hydrogen sulfide sensor, a water amount detection sensor 82 as a water amount measurement unit, a battery remaining amount detection sensor 83, and an obstacle detection sensor 84.

[0046] 3, hydrogen sulfide sensor 81 is provided in the upper part of internal space 10a1 of housing 10a, and is capable of detecting the concentration of hydrogen sulfide in the air in internal space 10a1 near exhaust portion 40. Hydrogen sulfide sensor 81 may be, for example, a constant-potential electrolysis type hydrogen sulfide sensor.

[0047] The moisture amount detection sensor 82 is a component for determining the amount of water volatilized in the water tank 32a. The moisture amount detection sensor 82 is, for example, a water level gauge provided in the water tank 32a, and determines the amount of water volatilized by measuring the water level and water volume. The water level gauge may be, for example, an electrode type or a float type. The moisture amount detection sensor 82 detects the amount of moisture and issues a water supply alert if the detected moisture amount is lower than a specified moisture amount. In other words, the moisture amount detection sensor 82 determines the amount of moisture volatilized and issues a water supply alert if the amount of moisture volatilized exceeds a predetermined moisture amount. The specified moisture amount is determined, for example, so that the water level is higher than the water intake port formed in the pump-up pump 32b.

[0048] The battery remaining capacity detection sensor 83 is configured with a voltmeter or the like. The obstacle detection sensor 84 is configured to detect obstacles in the traveling direction of the hydrogen sulfide detoxification device 1. The obstacle detection sensor 84 is, for example, an ultrasonic sensor, a laser displacement meter, an imaging element such as a camera, a proximity sensor, etc. However, the configuration of the sensor unit 80 is not limited to this.

[0049] The GNSS unit 90 is a positioning information acquisition unit for acquiring position information of the hydrogen sulfide detoxification device 1 itself. GNSS is an abbreviation for Global Navigation Satellite System, and the GNSS unit 90 uses a satellite positioning system such as GPS. The GNSS unit 90 includes an antenna and performs positioning based on positioning satellite signals transmitted from multiple positioning satellites to determine its own position. For example, the GNSS unit 90 performs positioning based on positioning satellite signals transmitted from multiple positioning satellites to determine the position of the hydrogen sulfide detoxification device 1. Note that the configuration for acquiring position information of the hydrogen sulfide detoxification device 1 itself is not limited to this.

[0050] The power supply unit 100 also has a battery 101 that supplies power to the hydrogen sulfide detoxification device 1. The battery 101 is configured, for example, by a lithium ion battery. However, the configuration of the power supply unit 100 that supplies power to the hydrogen sulfide detoxification device 1 is not limited to this.

[0051] <Hydrogen sulfide abatement treatment> Next, the hydrogen sulfide detoxification treatment of the hydrogen sulfide detoxification device 1 according to one embodiment of the present invention will be described with reference to Figures 5 and 6. Figure 5 is a flowchart for explaining the first half of an example of the hydrogen sulfide detoxification treatment according to one embodiment of the present invention. Figure 6 is a flowchart for explaining the second half of an example of the hydrogen sulfide detoxification treatment according to one embodiment of the present invention.

[0052] In the hydrogen sulfide detoxification system S according to this embodiment, external hydrogen sulfide sensors 120, which are arranged at equal intervals within the manufacturing process area A that handles hydrogen sulfide, transmit the hydrogen sulfide detection information by short-range communication to the hydrogen sulfide detoxification device 1 when they detect hydrogen sulfide. The control unit 70 of the hydrogen sulfide detoxification device 1 starts the hydrogen sulfide detoxification process when the communication unit 60 receives the hydrogen sulfide detection information.

[0053] First, the control unit 70 acquires the identification information of the external hydrogen sulfide sensor 120 contained in the detection information received by the communication unit 60 (step SA10). Next, the control unit 70 identifies the location of the hydrogen sulfide generation based on the acquired identification information and the location information of the external hydrogen sulfide sensor 120 stored in the memory unit 73 (step SA11).

[0054] Next, the control unit 70 sets the location where hydrogen sulfide is generated as the destination (step SA12). Next, the control unit 70 performs movement control to the set destination (step SA13). The movement control involves processing for movement along a route. The movement control also includes processing for avoiding obstacles if any are found along the movement route. The movement control is a subroutine of the hydrogen sulfide detoxification process, and is called and executed by the hydrogen sulfide detoxification process. Details will be described later. The movement control ends when the hydrogen sulfide detoxification device 1 approaches the location where hydrogen sulfide is generated.

[0055] Next, the control unit 70 causes the hydrogen sulfide abatement unit 30 to start the hydrogen sulfide abatement operation (step SA14). Next, the control unit 70 checks whether hydrogen sulfide is detected near the exhaust unit 40 by the hydrogen sulfide sensor 81 (step SA15). If hydrogen sulfide is detected (step SA15: YES), the control unit 70 issues an alert, and if the intake / exhaust fan 40b is operating, the control unit 70 stops the intake / exhaust fan 40b (step SA18), and the process returns to step SA15. If hydrogen sulfide is not detected (step SA15: NO), the control unit 70 starts the intake / exhaust fan 40b (step SA16).

[0056] Since the air near the exhaust unit 40 is to be discharged to the outside by the exhaust unit 40, the hydrogen sulfide detoxification device 1 checks before discharging the air whether there is any hydrogen sulfide or the like that has not been completely detoxified using the hydrogen sulfide sensor 81. Furthermore, if hydrogen sulfide is detected, the hydrogen sulfide detoxification device 1 stops the discharge and issues an alert, notifying the manager of an abnormal state in which hydrogen sulfide has not been completely detoxified.

[0057] Next, the control unit 70 checks whether hydrogen sulfide is detected near the exhaust unit 40 by the hydrogen sulfide sensor 81 (step SA17). If hydrogen sulfide is detected (step SA17: YES), the control unit 70 causes the buzzer 71b to sound an alarm and stops the operation of the intake / exhaust fan 40b (step SA18), and then proceeds to step SA15.

[0058] On the other hand, if hydrogen sulfide is not detected (step SA17: NO), the control unit 70 checks whether the generated hydrogen sulfide has disappeared (step SA19) by checking whether the communication unit 60 has acquired hydrogen sulfide detection information from the external hydrogen sulfide sensor 120. If hydrogen sulfide has not disappeared (step SA19: NO), the control unit 70 shifts the process to step SA17.

[0059] On the other hand, if hydrogen sulfide has run out (step SA19: YES), the control unit 70 stops the operation of the intake / exhaust fan 40b (step SA20). Next, the control unit 70 stops the hydrogen sulfide abatement operation of the hydrogen sulfide abatement unit 30 (step SA21). Next, the control unit 70 sets a route to the position of the pre-registered replenishment device 130 (step SA22). Next, the control unit 70 controls movement along the set route (step SA23), and when it moves to the position of the replenishment device 130, the movement control ends and the process ends.

[0060] <Movement Control> Next, the movement control in steps SA13 and SA23 in Fig. 5 will be described with reference to Fig. 7. Fig. 7 is a flowchart for explaining an example of the flow of movement control in the hydrogen sulfide detoxification treatment according to one embodiment of the present invention. As described above, movement control is a part of the hydrogen sulfide detoxification treatment, and the process starts at the timing of steps SA13 and SA23 of the hydrogen sulfide detoxification treatment shown in Fig. 5.

[0061] First, the control unit 70 sets a route connecting the destination set in the hydrogen sulfide detoxification process and the vehicle's own position based on the position information acquired by the GNSS unit 90 (step SB10). The set destination is the location where hydrogen sulfide was generated if the movement control is performed after step SA13 of the hydrogen sulfide detoxification process, or the supply device 130 if the movement control is performed after step SA23. Next, the control unit 70 causes the traveling unit 50 to rotate and drive the drive wheels 50a so that the vehicle moves along the route set based on the position information from the GNSS unit 90 (step SB11).

[0062] Next, the control unit 70 checks whether the obstacle detection sensor 84 has detected an obstacle (step SB12). If the obstacle detection sensor 84 has detected an obstacle (step SB12: YES), the control unit 70 stops the rotation and driving of the drive wheels 50a by the traveling unit 50 (step SB13). Next, the control unit 70 resets a route connecting the destination and the vehicle's own position based on the position information acquired by the GNSS unit 90 in a case where the detected obstacle has been avoided (step SB14), and proceeds to step SB11.

[0063] On the other hand, if the obstacle detection sensor 84 does not detect an obstacle in step SB12 (step SB12: NO), the control unit 70 checks whether the vehicle has reached its destination based on the position information from the GNSS unit 90 (step SB15). If the vehicle has not reached its destination (step SB15: NO), the control unit 70 transitions the process to step SB12. On the other hand, if the vehicle has reached its destination (step SB15: YES), the control unit 70 stops control of the rotation and drive of the drive wheels 50a by the travel unit 50 (step SB16), and transitions the process to the hydrogen sulfide detoxification process of the main routine.

[0064] When the battery remaining charge detection sensor 83 detects that the remaining battery charge is low, the hydrogen sulfide detoxification device 1 according to this embodiment moves to the location of the supply device 130 as the destination by the same control as the movement control described above, and automatically executes the process of receiving a supply from the supply device 130. Furthermore, when the control unit 70 of the hydrogen sulfide detoxification device 1 according to this embodiment determines that the amount of water in the water tank 32a is decreasing based on the detection by the moisture amount detection sensor 82, it causes the buzzer 71b of the output unit 71 to sound an alarm. The manager of the hydrogen sulfide detoxification device 1 replenishes water into the water tank 32a in response to the sounded alarm.

[0065] Furthermore, the supplying device 130 according to this embodiment may have not only a charger but also a water supply unit capable of supplying water to the water tank 32a. In this case, when the moisture amount detection sensor 82 detects that the amount of moisture in the water tank 32a is low, the control unit 70 of the hydrogen sulfide detoxification device 1 may perform control similar to the movement control described above to move to the position of the supplying device 130 as the destination, and perform processing to receive water from the supplying device 130.

[0066] The hydrogen sulfide detoxification device 1 configured as described above is a hydrogen sulfide detoxification device 1 that removes hydrogen sulfide contained in the air, and is equipped with an intake section 20 that can inhale air, a hydrogen sulfide abatement section 30 that detoxifies hydrogen sulfide from the air inhaled by the intake section 20, a discharge section 40 that discharges the air detoxified by the hydrogen sulfide abatement section 30 to the outside, an apparatus main body 10 having a communication section 60 that can acquire location information of hydrogen sulfide generated outside from the outside, and a power supply section 100 that supplies power, and a traveling section 50 that is provided on the apparatus main body 10 and includes drive wheels 50a that can cause the apparatus main body 10 to travel.When the communication section 60 acquires the location information, the traveling section 50 causes the apparatus main body 10 to travel near the location where hydrogen sulfide is generated based on the acquired location information, and the apparatus takes in air through the intake section 20 and discharges the air that has passed through the hydrogen sulfide abatement section 30 from the discharge section 40.

[0067] As a result, the hydrogen sulfide detoxification device 1 according to this embodiment can more efficiently detoxify hydrogen sulfide.

[0068] In the hydrogen sulfide detoxification device 1 according to this embodiment, the suction section 20 is provided at the bottom of the device body 10.

[0069] As a result, the hydrogen sulfide detoxification device 1 according to this embodiment can efficiently suck in and detoxify hydrogen sulfide, which has a high specific gravity and tends to accumulate at the bottom.

[0070] In the hydrogen sulfide detoxification device 1 according to this embodiment, the discharge section 40 is provided on the top surface of the device body 10, and the hydrogen sulfide detoxification section 30 is provided inside the device body 10.

[0071] This allows the device to be made simpler and smaller.

[0072] Furthermore, in the hydrogen sulfide detoxification device 1 according to this embodiment, the position information is information detected by an external hydrogen sulfide sensor 120 installed externally.

[0073] As a result, the hydrogen sulfide detoxification device 1 according to this embodiment can monitor hydrogen sulfide generation over a wide external area where the external hydrogen sulfide sensor 120 is disposed, and can efficiently detoxify hydrogen sulfide.

[0074] In addition, the hydrogen sulfide detoxification device 1 according to this embodiment is equipped with a hydrogen sulfide sensor 81 capable of measuring the hydrogen sulfide concentration in the air detoxified by the hydrogen sulfide detoxification unit 30, and the discharge unit 40 controls its discharge operation based on the hydrogen sulfide concentration detected by the hydrogen sulfide sensor 81.

[0075] This makes it possible to suppress the discharge of hydrogen sulfide from the hydrogen sulfide detoxification device 1, and to more reliably detoxify hydrogen sulfide.

[0076] Furthermore, in the hydrogen sulfide detoxification device 1 according to this embodiment, the hydrogen sulfide detoxification section 30 has a desulfurization core section 32d, which is a hydrogen sulfide removal agent mainly composed of water, a moisture-containing nonwoven fabric, a desulfurization carbon material, or iron oxide, and is provided in the intake / exhaust flow path 1a, which is the air flow path between the intake section 20 and the exhaust section 40. The exhaust section 40 discharges the air drawn in from the intake section 20 through the desulfurization core section 32d.

[0077] This allows the hydrogen sulfide detoxification device 1 according to this embodiment to more efficiently detoxify the air that is taken in. Furthermore, the hydrogen sulfide detoxification device 1 according to this embodiment also has excellent maintainability, as the hydrogen sulfide remover, which is mainly composed of water, nonwoven fabric, desulfurizing carbon material, and iron oxide, can be easily replaced.

[0078] In addition, in the hydrogen sulfide detoxification device 1 of this embodiment, the hydrogen sulfide detoxification unit 30 has a water flow path 1b that circulates through nonwoven fabric 30d within the intake and exhaust flow path 1a, a moisture content detection sensor 82 that measures the water circulating through the water flow path 1b, and a buzzer 71b that issues an alarm based on the measurement results of the moisture content detection sensor 82.

[0079] This allows the manager of the hydrogen sulfide detoxification device 1 to notice an abnormality, such as a shortage of water in the water flow path 1b of the hydrogen sulfide detoxification device 1, and to quickly respond to the abnormality, thereby more reliably detoxifying hydrogen sulfide.

[0080] Furthermore, in the hydrogen sulfide detoxification device 1 according to this embodiment, the power supply unit 100 is a battery 101 that can be repeatedly charged and discharged, and the device main body 10 is caused to move by the running unit 50 so as to move the battery 101 to the position of a rechargeable supply device 130 when the capacity of the battery 101 falls below a predetermined level.

[0081] As a result, the hydrogen sulfide detoxification device 1 according to this embodiment can perform detoxification processing more autonomously and with mobility, while reducing the time required for work such as periodic inspections for battery charging, and can detoxify hydrogen sulfide more efficiently.

[0082] In addition, the hydrogen sulfide detoxification device 1 according to this embodiment is equipped with an obstacle detection sensor 84 that detects surrounding obstacles, and the device main body 10 changes the traveling operation of the traveling unit 50 based on the detection results of the obstacle detection sensor 84.

[0083] As a result, the hydrogen sulfide detoxification device 1 of this embodiment can flexibly change its travel route and move to the location where hydrogen sulfide is generated to detoxify the hydrogen sulfide, even if an unexpected obstacle is found within the manufacturing process area.

[0084] In the hydrogen sulfide detoxifying device 1 according to this embodiment, the drive wheels 50a are tires or caterpillar tracks.

[0085] As a result, the hydrogen sulfide detoxification device 1 according to this embodiment can be moved to the location where hydrogen sulfide is generated more stably, and wear can be reduced, thereby improving the durability of the hydrogen sulfide detoxification device 1.

[0086] Here, conventionally, a challenge has been how to eliminate the generation of toxic hydrogen sulfide in manufacturing processes that handle sulfides. One example of a manufacturing process that handles sulfides is the production process of all-solid-state batteries. Hydrogen sulfide is a gas that is harmful to the human body and is generated by the reaction of sulfide with water. Because hydrogen sulfide is heavier than air, when it is generated, it accumulates in low places in the area. Furthermore, because hydrogen sulfide is colorless, there is a risk that people who enter the area without realizing that hydrogen sulfide is being generated may inhale large amounts of hydrogen sulfide.

[0087] Conventionally, the most commonly used safety device for hydrogen sulfide generation is to detoxify the entire manufacturing process area where sulfides are handled. Specifically, hydrogen sulfide is sucked in from a position close to the floor so that it can be effectively detoxified, and then detoxified through a dry or wet desulfurization device such as a water scrubber before being released into the atmosphere. However, detoxifying the entire manufacturing process area requires large and expensive equipment.

[0088] Furthermore, even if hydrogen sulfide is generated locally, the detoxification operation must be performed on the entire manufacturing process area, making it difficult to obtain the desired effect of detoxifying the hydrogen sulfide, and therefore inefficient.

[0089] In cases where there are areas in the manufacturing process where there is no or low risk of hydrogen sulfide generation, there is room for improvement in terms of the cost-effectiveness of the hydrogen sulfide abatement device.

[0090] In addition, with stationary scrubbers, the filters and water levels must be checked periodically and replaced after a certain period of time, which requires time-consuming maintenance work.In addition, because the equipment is large, the number of consumables such as filters is large, which increases costs.

[0091] The hydrogen sulfide detoxification device 1 according to this embodiment makes it possible to locally detoxify hydrogen sulfide as it is generated, and it is possible to construct a detoxification system that is smaller in size, easier to install, and requires lower investment costs than conventional large detoxification devices. In addition, the detoxification system can be configured and modified to suit changes in the manufacturing process and production volume, making it possible to construct a more reasonable hydrogen sulfide detoxification system.

[0092] Furthermore, the hydrogen sulfide detoxification device 1 according to this embodiment can perform maintenance independently, reducing manpower and costs. Furthermore, because it is small and inexpensive, the detoxification device can be easily introduced even in small-scale manufacturing. Furthermore, the hydrogen sulfide detoxification device 1 according to this embodiment can be moved near the hydrogen sulfide source and concentrated there for more effective detoxification.

[0093] The present invention is not limited to the above-described embodiment, and includes modifications and improvements within the scope of achieving the object of the present invention. The above-described series of processes can be executed by hardware or software.

[0094] In this embodiment, the hydrogen sulfide abatement unit 30 abats hydrogen sulfide contained in the inhaled air using a water flow path 1b (comprising a water tank 32a, a water pumping pump 32b, a water pipe 32c, and a sprayer 32e) and a nonwoven fabric desulfurization core 32d, as shown in Fig. 3. However, the present invention is not limited to this. For example, the hydrogen sulfide abatement unit 30 may have only a water tank 32a as the desulfurization core and detoxify the inhaled hydrogen sulfide by exposing it to water in the water tank 32a provided in the water flow path 1b. Alternatively, the desulfurization core may have only activated carbon and detoxify the hydrogen sulfide by passing it through the activated carbon. Alternatively, the desulfurization core may use a hydrogen sulfide remover containing iron oxide as the main component. Furthermore, while water is circulated through the water flow path 1b, an alkaline solution such as caustic soda may be circulated to neutralize and detoxify the hydrogen sulfide in the inhaled air. [Explanation of symbols]

[0095] 1 Hydrogen sulfide abatement equipment 10. Device body 20 Suction part 30 Hydrogen sulfide abatement department 40 Discharge section 50 Running part 50a drive wheel 60 Communications Department 100 Power supply section 101 Battery

Claims

1. A hydrogen sulfide detoxification device that removes hydrogen sulfide contained in air, an apparatus main body having an intake section capable of drawing in the air, a hydrogen sulfide abatement section that abatements hydrogen sulfide from the air drawn in by the intake section, an exhaust section that exhausts the air abatemented by the hydrogen sulfide abatement section to the outside, a communication section that can acquire from the outside location information of hydrogen sulfide generated outside, and a power source that supplies electric power; a running unit provided on the device body and including drive wheels capable of running the device body; the hydrogen sulfide abatement unit has a desulfurization core unit that is provided in an intake / exhaust flow path that is a flow path of the air between the intake unit and the exhaust unit, and is made of water, a nonwoven fabric containing moisture, a desulfurization carbon member, or a hydrogen sulfide remover containing iron oxide as a main component; When the communication unit acquires the location information, the traveling unit moves the device main body so as to approach the hydrogen sulfide generation location based on the acquired location information, the air is drawn in through the intake unit, and the air that has passed through the desulfurization core unit of the hydrogen sulfide removal unit is discharged from the exhaust unit.

2. 2. The hydrogen sulfide detoxifying device according to claim 1, wherein the suction section is provided at a lower part of the device body.

3. the discharge section is provided on an upper surface of the device body, 3. The hydrogen sulfide detoxifying device according to claim 1, wherein the hydrogen sulfide detoxifying section is provided inside the device body.

4. 4. The hydrogen sulfide detoxification device according to claim 1, wherein the position information is information detected by an external hydrogen sulfide sensor installed outside the device.

5. an internal hydrogen sulfide sensor capable of measuring the hydrogen sulfide concentration of the air detoxified by the hydrogen sulfide detoxification unit; 5. The hydrogen sulfide detoxification device according to claim 1, wherein the discharge unit controls a discharge operation based on the hydrogen sulfide concentration detected by the internal hydrogen sulfide sensor.

6. The hydrogen sulfide detoxification device according to any one of claims 1 to 5, wherein the hydrogen sulfide detoxification unit comprises: a water flow path that circulates water through the desulfurization core unit within the intake and exhaust flow path; a water volume measuring unit that measures the amount of water circulating through the water flow path; and a warning unit that issues a warning based on the measurement result of the water volume measuring unit.

7. the power source is a rechargeable battery that can be repeatedly charged and discharged; 7. The hydrogen sulfide detoxification device according to claim 1, wherein the device body is moved by the traveling unit so as to move to the position of a charger capable of charging the rechargeable battery when the capacity of the rechargeable battery falls below a predetermined level.

8. Equipped with an obstacle detection sensor that detects surrounding obstacles, 8. The hydrogen sulfide detoxifying device according to claim 1, wherein the device main body changes the traveling operation of the traveling unit based on the detection result of the obstacle detection sensor.

9. 9. The hydrogen sulfide detoxifying device according to claim 1, wherein the drive wheels are tires or caterpillars.

Images