Safety monitoring alarm device for chemical equipment

Abstract

The utility model relates to the technical field of chemical equipment safety, and discloses a safety monitoring alarm device for chemical equipment, which comprises an air inlet assembly, a filter assembly, a warning assembly and a carbon dioxide sensor, the problem that a large amount of dust is accumulated on the carbon dioxide sensor due to long-term use can be avoided, the frequency of cleaning and maintaining the carbon dioxide sensor by an operator is remarkably reduced, and the use convenience is improved. In addition, through mutual cooperation of the air inlet assembly and the filtering assembly, air in the plant can be continuously purified, and pollutants in the air in the chemical plant can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the chemical equipment safety technical field, concretely relates to a safety monitoring alarm device for chemical equipment. BACKGROUND

[0002] In the daily operation of chemical plant, some detection equipment needs to be used to detect the air in the plant, especially for the potential chemical gas leakage, which must be responded quickly to ensure personnel safety and environmental protection. For example, carbon dioxide sensors are arranged in the plant to monitor the carbon dioxide concentration in the plant in real time. When the concentration exceeds the normal value, the alarm system including alarm lamp and buzzer will be triggered immediately to remind the on-site operator to take action in a visual and audible dual mode, so as to locate and handle the potential danger source and effectively prevent the situation from further deteriorating.

[0003] However, the device for monitoring carbon dioxide concentration in the prior art needs the carbon dioxide sensor to be in direct contact with the air in the plant. However, the chemical plant often contains a large amount of dust, particulate matter and other pollutants. With the passage of time, the carbon dioxide sensor will accumulate dust and other substances on the monitoring device due to long-term contact with the air, which not only reduces the sensitivity of the sensor and affects the accuracy of the monitoring data, but also hinders the normal operation of the sensor, even causes false alarm or missed alarm, and seriously threatens the safety management of the plant. Therefore, the operator needs to clean and maintain the carbon dioxide sensor regularly, which not only increases the workload, but also may cause safety hazards due to untimely maintenance, so that the effectiveness and reliability of the entire monitoring system are greatly reduced. SUMMARY

[0004] The utility model aims at overcoming the above problems, providing a safety monitoring alarm device for chemical equipment, which can not only monitor the carbon dioxide concentration but also solve the problem of frequent cleaning and maintenance of the monitoring device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a safety monitoring alarm device for chemical equipment, which comprises an outer detection box, a T-shaped partition plate is arranged in the inner cavity of the outer detection box, a filter assembly is movably installed in the cavity formed by the outer detection box and the T-shaped partition plate, an air inlet assembly is arranged on the outer detection box, the air inlet assembly penetrates into the inner cavity of the outer detection box and communicates with the filter assembly, an inner detection box is arranged in the inner cavity of the outer detection box, the inner detection box communicates with the filter assembly, a carbon dioxide sensor is arranged in the inner detection box, and a warning assembly is arranged on the outer detection box.

[0007] The utility model further improves, the outer detection case includes first box body, first box body is rotatively connected with first box door, the cavity that first box body and T-shaped baffle form is provided with baffle;

[0008] The baffle is of L-shaped structure, the baffle, T-shaped baffle and first box body are sealingly connected with the filtering assembly.

[0009] The utility model further improves, the inner detection case includes second box body, second box body is rotatively connected with second box door, be provided with the air pipe on second box body, the air pipe is led to the outside of first box body and is provided with check valve on air pipe.

[0010] The utility model further improves, the air inlet component includes fan and air inlet pipe, the T-shaped baffle is provided with through -hole, one end of air inlet pipe is connected with fan, the other end of air inlet pipe is connected with through -hole;

[0011] Sealing washer is arranged between the fan and air inlet pipe, and the fan is threadedly connected with the filter screen;The fan is arranged on the first box body.

[0012] The utility model further improves, the warning assembly includes alarm lamp and bee calling organ, alarm lamp and bee calling organ all set up in the outside of first box body, alarm lamp and bee calling organ all with carbon dioxide sensor electric connection.

[0013] The utility model further improves, be provided with display screen on first box door, display screen with carbon dioxide sensor electric connection.

[0014] The utility model further improves, be provided with battery in the first box body cavity, battery with fan, carbon dioxide sensor, alarm lamp, bee calling organ and display screen electric connection.

[0015] The utility model further improves, the filtering assembly includes first filter drawer and second filter drawer, and the first filter drawer and the second filter drawer are arranged in the cavity formed by the first box body and the T-shaped baffle in vertical direction.

[0016] The utility model further improves, be provided with breathable hole on the bottom surface of first filter drawer, and the bottom surface of second filter drawer is communicated with gas guide pipe, and the gas guide pipe is connected with the inner detection case.

[0017] The utility model further improves, and first filter layer and second filter layer are arranged in the inner cavity of first filter drawer and second filter drawer respectively.

[0018] The first filter layer is PTFE film filter layer, and the second filter layer is activated carbon filter layer.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model provides a safety monitoring alarm device for chemical equipment, inhale the air in chemical plant through air inlet component, can avoid the problem that carbon dioxide sensor accumulates a large amount of dust due to long -term use after filtering component filters the air, significantly reduce the frequency that operating personnel carries out cleaning maintenance, improve the convenience of using. The utility model discloses through the mutual cooperation of air inlet component and filter assembly, can also carry out the sustained purification of the air in the plant, can effectively reduce the pollutant in the air in chemical plant. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings described herein are for illustrative purposes only and are not intended to limit the scope of the utility model disclosure in any way. In addition, the shape and scale of each component in the drawings are only illustrative, which helps to understand the utility model, and is not a specific limitation on the shape and scale of each component of the utility model.

[0022] Figure 1 It is the overall structure schematic diagram of the utility model;

[0023] Figure 2 It is Figure 1 The internal structure schematic diagram behind hiding the first box door;

[0024] Figure 3 It is Figure 2 The structure schematic diagram behind hiding filter assembly;

[0025] Figure 4 It is the filter assembly structure explosion schematic diagram of the utility model;

[0026] Figure 5 It is the internal structure schematic diagram of the internal detection box of the utility model.

[0027] Among them: 1, external detection box;11, first box body;12, first box door;13, baffle;2, T-shaped partition;3, air inlet component;31, fan;32, air inlet pipe;33, sealing gasket;4, filter assembly;41, first filter drawer;42, second filter drawer;43, air guide pipe;44, air hole;45, first filter layer;46, second filter layer;5, internal detection box;51, second box body;52, second box door;53, air outlet pipe;54, check valve;6, warning assembly;61, alarm lamp;62, buzzer;63, display screen;7, carbon dioxide sensor;8, battery;9, filter screen. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the embodiments of the present application, it should be noted that if the terms "upper", "lower", "horizontal", "inner" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the present application product when it is usually placed, it is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0032] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0033] In the description of the embodiments of the present application, it should also be noted that unless otherwise explicitly specified and limited, if the terms "set", "mount", "connected", "connected" appear, they should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The present application will be described in further detail below in conjunction with the drawings:

[0035] The utility model provides a kind of safety monitoring alarm device for chemical equipment, including outer detection box 1, T-shaped baffle 2, air inlet component 3, filter component 4, inner detection box 5, warning component 6, carbon dioxide sensor 7, battery 8 and filter screen 9;

[0036] Wherein T-shaped baffle 2 is equipped in the inner chamber of outer detection box 1, filter component 4 is movably installed in the cavity formed by outer detection box 1 and T-shaped baffle 2, air inlet component 3 is provided on outer detection box 1, air inlet component 3 is inserted into the inner chamber of outer detection box 1 and is communicated with filter component 4, inner detection box 5 is provided in the inner chamber of outer detection box 1, inner detection box 5 is communicated with filter component 4, carbon dioxide sensor 7 is provided in inner detection box 5, warning component 6 is provided on outer detection box 1.In use, air in workshop is sucked in by air inlet component 3, after dust removal by filter component 4, it enters inner detection box 5, carbon dioxide concentration in air is detected by carbon dioxide sensor 7, when carbon dioxide concentration exceeds standard, warning is carried out by warning component 6, after detection, air is discharged by inner detection box 5.This device can make air contact carbon dioxide sensor 7 after filtration, so that a large amount of dust accumulated on carbon dioxide sensor 7 can be avoided, and the cleaning and maintenance frequency of operator is reduced.

[0037] As shown in Figures 1 to 3 Outer detection box 1 includes first box body 11, first box door 12 is rotatably connected to first box body 11, baffle 13 is provided in the cavity formed by first box body 11 and T-shaped baffle 2;Baffle 13 is L-shaped structure, baffle 13, T-shaped baffle 2 and first box body 11 are sealingly connected with filter component 4.After air is sucked in by air inlet component 3, it first enters the position above filter component 4 in the inner chamber of first box body 11, because baffle 13 is sealingly connected with filter component 4, air overflow can be avoided.

[0038] As shown in Figure 1 Warning component 6 includes alarm lamp 61 and buzzer 62, alarm lamp 61 and buzzer 62 are both provided outside first box body 11, alarm lamp 61 and buzzer 62 are both electrically connected with carbon dioxide sensor 7, display screen 63 is provided on first box door 12, display screen 63 is electrically connected with carbon dioxide sensor 7, when carbon dioxide concentration is detected by carbon dioxide sensor 7, data is displayed by display screen 63, when concentration exceeds standard, alarm is sent by alarm lamp 61 and buzzer 62, to remind operator to timely handle on site.

[0039] As shown in Figure 2 Battery 8 is provided in the inner chamber of first box body 11, battery 8 is electrically connected with fan 31, carbon dioxide sensor 7, alarm lamp 61, buzzer 62 and display screen 63.

[0040] As shown in Figure 3 The air inlet assembly 3 includes a fan 31 and an air inlet pipe 32, a through hole is formed in the T-shaped partition 2, one end of the air inlet pipe 32 is connected with the fan 31, and the other end of the air inlet pipe 32 is connected with the through hole; a sealing gasket 33 is arranged between the fan 31 and the air inlet pipe 32, and the fan 31 is arranged on the first box body 11. Through the rotation of the blades of the fan 31, air is sucked into the inner cavity of the first box body 11, so that the air can flow in at a faster speed, thereby improving the detection efficiency.

[0041] The fan 31 is threadedly connected with a filter screen 9, the filter screen 9 is used for preliminarily filtering the air, so as to avoid the rapid dust accumulation on the blades of the fan 31, and the filter screen 9 is threadedly connected with the fan 31, so that the filter screen 9 and the fan 31 are convenient to disassemble, and the cleaning and maintenance of the filter screen 9 and the blades of the fan 31 are relatively convenient.

[0042] As shown in Figure 2 and 4 The filter assembly 4 includes a first filter drawer 41 and a second filter drawer 42, the first filter drawer 41 and the second filter drawer 42 are arranged in the cavity formed by the first box body 11 and the T-shaped partition 2 in a vertical manner, a plurality of air permeable holes 44 are arranged on the bottom surface of the first filter drawer 41 in a spaced manner, the second filter drawer 42 is communicated with an air guide pipe 43, the end of the air guide pipe 43 is connected with the inner detection box 5, and the inner cavities of the first filter drawer 41 and the second filter drawer 42 are respectively provided with a first filter layer 45 and a second filter layer 46.

[0043] As a preferred solution, the first filter layer 45 is made of PTFE film filter material, and the second filter layer 46 is made of activated carbon, so that the device can not only filter dust in the air, but also filter organic compounds, sulfides and the like volatilized into the air, thereby reducing the cleaning and maintenance frequency of the carbon dioxide sensor 7 and achieving the effect of purifying air.

[0044] It should be noted that the first filter drawer 41 and the second filter drawer 42 are arranged in a pull-out manner, so as to facilitate the replacement of the first filter layer 45 and the second filter layer 46.

[0045] As shown in Figure 5 The inner detection box 5 includes a second box body 51, the second box body 51 is rotatably connected with a second box door 52, the second box body 51 is provided with an air outlet pipe 53, the air outlet pipe 53 penetrates out of the first box body 11 and is provided with a one-way valve 54. The one-way valve 54 can control the air in the second box body 51 to overflow through the air outlet pipe 53, so as to avoid the air from entering the second box body 51 through the air outlet pipe 53.

[0046] It should be noted that the mounting and fixing mode of the first box body 11 and the first box door 12 is a common mode in the prior art, and generally, the first box body 11 and the first box door 12 are provided with a lock catch, and the lock catch is used to fix the first box body 11 and the first box door 12 when the first box door 12 is closed, and the mounting and fixing mode of the second box body 51 and the second box door is also the same.

[0047] Working principle:

[0048] The safety monitoring alarm device for chemical equipment is used in a chemical plant. Air first passes through the air inlet assembly 3, is sucked into the device by the suction force generated by the fan 31, and is simply filtered by the filter screen 9. Subsequently, the air enters the filter assembly 4 in the cavity formed by the outer detection box 1 and the T-shaped partition 2. The filter assembly 4 includes the first filter drawer 41 and the second filter drawer 42, which are respectively provided with the air permeable hole 44 and the air guide pipe 43, and are internally configured with the first filter layer 45 and the second filter layer 46 to deeply filter the air and remove dust, organic matter and other pollutants. The pure air after filtration enters the inner detection box 5, which is provided with the carbon dioxide sensor 7 for accurately detecting the carbon dioxide concentration in the air. Once the carbon dioxide concentration exceeds the preset safety range, the device will trigger the warning assembly 6, including the alarm lamp 61 and the buzzer 62, and at the same time, the display screen 63 on the first box door 12 will display the current carbon dioxide concentration data, so that the operator can quickly detect and take corresponding measures. The entire device is powered by the storage battery 8, ensuring its continuous operation without external power supply, and improving the safety monitoring level of the chemical plant.

[0049] Many embodiments and many applications other than those provided in the foregoing description will be apparent to those skilled in the art from consideration of the specification and practice of the teachings disclosed herein. Therefore, the true scope of the present teachings is not to be determined by any of the foregoing description, but only by a sum of the claims as pertain to the present disclosure, and the full range of equivalents to which such claims are entitled. For purposes of comprehensiveness, the disclosure of all articles and references, including patent applications and publications, are incorporated by reference herein, in their entirety. Nothing herein is to be construed as a disclaimer of any subject matter not expressly recited in the foregoing description or in the claims. The mere fact that an item is not recited in the foregoing description or in the claims does not mean that the item is not considered part of the present teachings.

[0050] The above is a further detailed description of the present application, which cannot be limited to the specific embodiments of the present application, and for ordinary skilled in the art of the present application, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, which should be considered as belonging to the present application, which is determined by the claims submitted.

Claims

1. A safety monitoring alarm device for chemical plants, characterized by, The utility model provides an external detection box (1), the inner chamber of external detection box (1) is equipped with T-shaped baffle (2), the cavity formed by external detection box (1) and T-shaped baffle (2) is movably installed with filter assembly (4), external detection box (1) is equipped with air inlet assembly (3), air inlet assembly (3) penetrates into the inner chamber of external detection box (1) and is communicated with filter assembly (4), the inner chamber of external detection box (1) is equipped with internal detection box (5), internal detection box (5) is communicated with filter assembly (4), internal detection box (5) is equipped with carbon dioxide sensor (7), external detection box (1) is equipped with warning assembly (6).

2. The safety monitoring alarm device for chemical equipment according to claim 1, characterized in that, The external detection box (1) comprises a first box body (11), the first box body (11) is rotatably connected with a first box door (12), and the cavity formed by the first box body (11) and the T-shaped baffle (2) is provided with a baffle (13). The baffle (13) is an L-shaped structure, and the baffle (13), the T-shaped baffle (2) and the first box body (11) are sealingly connected with the filter assembly (4).

3. The safety monitoring alarm device for chemical equipment according to claim 2, characterized in that, The internal detection box (5) comprises a second box body (51), the second box body (51) is rotatably connected with a second box door (52), and the second box body (51) is provided with an air outlet pipe (53) which penetrates out of the first box body (11) and is provided with a one-way valve (54).

4. The safety monitoring alarm device for chemical plant according to claim 2, characterized in that, The air inlet assembly (3) comprises a fan (31) and an air inlet pipe (32), the T-shaped baffle (2) is provided with a through hole, one end of the air inlet pipe (32) is connected with the fan (31), and the other end of the air inlet pipe (32) is connected with the through hole. A sealing gasket (33) is arranged between the fan (31) and the air inlet pipe (32), and a filter screen (9) is threadedly connected to the fan (31); and the fan (31) is arranged on the first box body (11).

5. The safety monitoring alarm device for chemical plant according to claim 4, characterized in that, The warning assembly (6) comprises an alarm lamp (61) and a buzzer (62), and the alarm lamp (61) and the buzzer (62) are arranged outside the first box body (11) and are electrically connected with the carbon dioxide sensor (7).

6. The safety monitoring alarm device for chemical plant according to claim 5, characterized in that, A display screen (63) is arranged on the first box door (12) and is electrically connected with the carbon dioxide sensor (7).

7. The safety monitoring alarm device for chemical plant according to claim 6, characterized in that, A storage battery (8) is arranged in the inner chamber of the first box body (11) and is electrically connected with the fan (31), the carbon dioxide sensor (7), the alarm lamp (61), the buzzer (62) and the display screen (63).

8. The safety monitoring alarm device for chemical plant according to claim 2, characterized in that, The filter assembly (4) comprises a first filter drawer (41) and a second filter drawer (42), and the first filter drawer (41) and the second filter drawer (42) are arranged vertically in the cavity formed by the first box body (11) and the T-shaped baffle (2).

9. The safety monitoring alarm device for chemical plant according to claim 8, characterized in that, Vent holes (44) are arranged on the bottom surface of the first filter drawer (41), and a gas guide pipe (43) is communicated with the bottom surface of the second filter drawer (42) and is connected with the internal detection box (5).

10. The safety monitoring alarm device for chemical plant according to claim 8, characterized in that, The inner cavities of the first filter drawer (41) and the second filter drawer (42) are respectively provided with a first filter layer (45) and a second filter layer (46); The first filter layer (45) is a PTFE film filter layer, and the second filter layer (46) is an activated carbon filter layer.

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