Safety detection equipment for engineering chemical leakage

Abstract

The invention discloses safety detection equipment for engineering chemical leakage, and relates to the field of pollution detection.The safety detection equipment comprises a base body, an air outlet is formed in the upper portion of the base body, the lower portion of the air outlet is communicated with a detection channel, a gas pollution detection module is arranged in the detection channel, and an air guide mechanism is arranged in the detection channel; the air blower is connected with the detection channel and blows air in the detection channel, the lower portion of the detection channel is connected with an air receiving mechanism, external air is introduced into the detection channel, the side edge of the detection channel is communicated with a cavity, and a powerful fan is arranged in the cavity. The safety detection equipment for engineering chemical leakage is provided with the pollutant absorption chamber capable of purifying pollution gas, the pollution gas can be fed into the pollutant absorption chamber to be purified, then the gas is discharged, leakage gas is prevented from continuously existing outside, further diffusion of the gas can be avoided, and the functionality of the equipment is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pollution detection, in particular to a safety detection device for leakage of engineering chemicals. Background Art

[0002] In the storage area of ​​engineering chemicals or related processing areas, in order to avoid the leakage of engineering chemicals to cause air pollution and harm to surrounding workers, and the leakage of some colorless and odorless pollutants cannot be directly known, safety detection equipment can be used to detect pollutants in the air to determine whether related chemicals have leaked.

[0003] Prior art 1 (application number CN202011427331.5, Chinese patent published on April 9, 2021) A hazardous chemical leakage safety detection device, comprising: a peripheral detection structure, and a fixed frame plate arranged below the peripheral detection structure; a sliding detection rod, which is arranged on one side of the peripheral detection structure; an opening cover, which is arranged above the peripheral detection structure, and a control display is provided on the surface of the opening cover, and the control display is fixedly connected to the surface of the opening cover; an alarm, which is arranged on one side of the opening cover; a rocker arm, which is arranged below the alarm; a limiting structure, which is arranged on one side of the rocker arm, and a connecting hole is provided inside the limiting structure, and the connecting hole is fixedly connected to the inside of the limiting structure; a built-in storage structure, which is arranged inside the peripheral detection structure. It realizes the use of favorable functional performance during use, and when special circumstances are needed, preliminary processing and feedback information are carried out in a timely manner, thereby effectively avoiding the problem of further danger; Prior art 2 (application number is CN202121168436.3, a Chinese patent published on November 30, 2021) A chemical sensor includes a sampling tube, an LED status light, a sensing probe, a metal hose, a detector, a display screen, an operation button, an operation switch, and an anti-slip cover. The sampling tube, the LED status light and the sensing probe are electrically connected and installed at the top of the metal hose, and the metal hose is connected to the detection The instrument is electrically connected and installed. The detector is provided with a display screen, operation buttons and operation switches. The anti-slip cover is installed at the center of the back of the detector shell. A chemical sensor is designed to detect gas leaks. The rotation of the fan drives the air to flow rapidly, and the air in the area to be detected flows rapidly to the sensing probe through the guide pipe, which improves the detection efficiency. When the LED status light is on, it means that the sampling tube and the sensing probe are working. A rotating shaft is installed at the center of the turntable, and the rotating shaft is docked with the detector. The arc-shaped silicone gloves wrap the palm to facilitate the staff to operate the detector at multiple angles. The arc-shaped silicone gloves prevent slipping during the detection operation.

[0004] Although the current detection equipment can detect and alarm the leakage gas pollutants, when gas leakage occurs, the surrounding air is polluted, and the device will continuously alarm, but it does not treat the surrounding polluted gas, resulting in the polluted gas circulating into the device. Even if the external leakage stops, the device will continue to emit alarms, and the device cannot promptly treat the polluted gas after leakage, which is likely to cause further spread of pollution. Summary of the Invention

[0005] The purpose of the present invention is to provide a safety detection device for engineering chemical leakage, so as to solve the problems in the above-mentioned background technology that although the current detection equipment can detect and alarm the leakage gas pollutants, when gas leakage occurs, the surrounding air is polluted, the device will continuously alarm, but it does not treat the surrounding polluted gas, resulting in the polluted gas circulating into the device, even if the external leakage stops, the device will continue to emit alarms, and the device cannot promptly treat the polluted gas after leakage.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A safety detection device for engineering chemical leakage, including a base body, an air outlet is arranged above the base body, and a detection channel is communicated below the air outlet. A gas pollution detection module is arranged inside the detection channel. A wind guiding mechanism is arranged inside the detection channel to blow the gas in the detection channel. A gas receiving mechanism is connected below the detection channel to introduce external gas into the inside of the detection channel. A cavity is communicated on the side of the detection channel, and a powerful fan is arranged inside the cavity, and a shielding mechanism is arranged on the right side of the cavity. The left end of the cavity is connected with an air supply pipe, an air outlet is arranged on the air supply pipe, and a pollutant absorption chamber is arranged on the outer side of the air supply pipe. A communication groove is arranged above the pollutant absorption chamber, and the communication groove is communicated with the upper end of the detection channel, and an air duct switching mechanism is arranged inside the communication groove.

[0007] Further optimizing the technical solution, a control panel is arranged on the front side of the base body, and an alarm and a signal transmitter are arranged above the base body to alarm for pollution monitoring.

[0008] Further optimizing the technical solution, a liquid replenishing port is arranged above the pollutant absorption chamber, a sealing cover is threadedly connected above the liquid replenishing port, and a discharge port is arranged at the bottom of the pollutant absorption chamber.

[0009] Further optimizing the technical solution, the air duct switching mechanism includes a movable block, a first channel, a second channel and a movement control mechanism;

[0010] The movable block is arranged inside the communication groove and forms a horizontal sliding structure with the communication groove;

[0011] The first channel is vertically opened inside the movable block, and the first channel is communicated with the detection channel;

[0012] The second channel is designed in an inverted "L" shape and is arranged on the left side of the first channel;

[0013] The movement control mechanism is connected to the movable block to control the horizontal movement of the movable block.

[0014] To further optimize this technical solution, the movement control mechanism includes a driving plate, a threaded rod, and a motor;

[0015] The driving plate is fixed on the right side of the movable block;

[0016] The threaded rod passes through the driving plate and forms a threaded connection with the driving plate;

[0017] The motor is connected to the threaded rod to control the rotation of the threaded rod.

[0018] To further optimize this technical solution, the shielding mechanism includes a blocking block and a control rod;

[0019] The blocking block is arranged at the right opening of the cavity;

[0020] The control rod is fixed on the right side of the blocking block, and the right end of the control rod is connected to the driving plate.

[0021] To further optimize this technical solution, control switches are arranged on both the left side and the right side of the driving plate, and the two groups of control switches respectively control the circuit connections of the air guiding mechanism and the powerful fan.

[0022] To further optimize this technical solution, a support seat is fixed inside the pollutant absorption chamber, and a movable shaft passes through the middle of the support seat. The movable shaft forms a rotational connection with the support seat, and a stirring shaft is fixed below the movable shaft. A rotating blade is arranged at the upper end of the movable shaft, and the rotating blade is located inside the communication groove.

[0023] To further optimize this technical solution, the gas receiving mechanism includes a connecting pipe, a receiving pipe, a connecting gear, a transmission gear, and a rotation control mechanism;

[0024] The connecting pipe is sleeved inside the detection channel;

[0025] The receiving pipe is fixed at the lower end of the connecting pipe;

[0026] The connecting gear is fixed on the outer side of the connecting pipe;

[0027] The transmission gear is arranged on the outer side of the connecting gear and forms a meshing connection with the connecting gear, and the transmission gear is a semi-gear;

[0028] The rotation control mechanism is arranged outside the transmission gear to control the rotation of the transmission gear and the receiving pipe.

[0029] To further optimize this technical solution, the rotation control mechanism includes a mounting shaft, a transmission belt, an auxiliary shaft and a torsion spring;

[0030] The mounting shaft is fixed above the transmission gear, and a rotational connection is formed between the mounting shaft and the base;

[0031] The transmission belt is arranged outside the mounting shaft, and the mounting shaft is connected to the movable shaft through the transmission belt;

[0032] The auxiliary shaft is fixed in the lower middle part of the receiving pipe, and a rotational connection is formed between the auxiliary shaft and the base;

[0033] The torsion spring is installed at the lower end of the auxiliary shaft to provide a rotational restoring force for the auxiliary shaft.

[0034] Compared with the prior art, the beneficial effects of the present invention are:

[0035] (1) There is a pollutant absorption chamber for purifying polluted gas. The polluted gas can be sent into the pollutant absorption chamber for purification and then the gas is discharged, avoiding the continuous existence of leaked gas outside and further diffusion of the gas, and increasing the functionality of the device.

[0036] (2) The pollutant absorption chamber is connected to the cavity, and a baffle is arranged at the opening of the cavity. When no polluted gas is detected, the cavity remains closed, which can prevent gas from entering the pollutant absorption chamber and extend the storage time of the liquid in the pollutant absorption chamber.

[0037] (3) The powerful fan can quickly inhale external gas, so that when polluted gas is detected, the external gas can be quickly inhaled for purification, minimizing gas diffusion as much as possible, protecting the surrounding environment, and the powerful fan does not work when no pollutant is detected, maintaining its energy-saving property.

[0038] (4) By moving the movable block, the connection between the communication groove and the detection channel can be controlled, thereby switching the gas output channel, and the upper part of the detection channel can also be blocked to allow air to better enter the cavity.

[0039] (5) The external gas is inhaled through the receiving pipe, and the receiving pipe can swing reciprocally to adjust the suction range of the receiving pipe, so as to better inhale the air around the base, facilitating the treatment of polluted gas and increasing the flexibility of the device. Brief Description of the Drawings

[0040] Figure 1 It is a three-dimensional structure schematic diagram of the present invention;

[0041] Figure 2 Schematic side view structure of the present invention;

[0042] Figure 3 Schematic side view structure of the receiving tube measurement of the present invention;

[0043] Figure 4 Schematic three-dimensional structure of the receiving tube of the present invention;

[0044] Figure 5 Schematic main sectional structure of the present invention;

[0045] Figure 6 Schematic side view structure of the cavity of the present invention;

[0046] Figure 7 Schematic main sectional structure of the movable block of the present invention;

[0047] Figure 8 Schematic side sectional structure of the detection channel of the present invention;

[0048] Figure 9 Schematic three-dimensional structure of the mounting shaft of the present invention;

[0049] Figure 10 Schematic top sectional structure of the transmission gear of the present invention.

[0050] In the figure: 1, base; 101, control panel; 2, air outlet; 3, alarm; 4, signal transmitter; 5, detection channel; 6, air guiding mechanism; 7, gas pollution detection module; 8, connecting pipe; 9, receiving tube; 10, protective cover; 11, movable block; 12, first channel; 13, second channel; 14, pollutant absorption chamber; 15, air supply pipe; 16, air outlet; 17, cavity; 18, powerful fan; 19, stop block; 20, control rod; 21, driving plate; 22, threaded rod; 23, motor; 24, control switch; 25, communication groove; 26, support seat; 27, movable shaft; 2701, stirring shaft; 28, rotating blade; 29, liquid replenishing port; 30, sealing cover; 31, discharge port; 32, connecting gear; 33, transmission gear; 34, mounting shaft; 35, transmission belt; 36, auxiliary shaft; 37, torsion spring. Detailed implementation manners

[0051] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0052] Please refer to Figures 1 - 10, Embodiment 1: The present invention provides the following technical solution: A safety detection device for engineering chemical leakage, including a base body 1, an air outlet 2 is arranged above the base body 1, and a detection channel 5 is communicated below the air outlet 2. A gas pollution detection module 7 is arranged inside the detection channel 5, and a wind guiding mechanism 6 is arranged inside the detection channel 5 to blow the gas inside the detection channel 5. A gas receiving mechanism is connected below the detection channel 5 to introduce external gas into the inside of the detection channel 5. A cavity 17 is communicated on the side of the detection channel 5, and a powerful fan 18 is arranged inside the cavity 17. And a shielding mechanism is arranged on the right side of the cavity 17. The left end of the cavity 17 is connected with an air supply pipe 15. An air outlet 16 is arranged on the air supply pipe 15. And a pollutant absorption chamber 14 is arranged on the outside of the air supply pipe 15. A communication groove 25 is arranged above the pollutant absorption chamber 14. And the communication groove 25 is communicated with the upper end of the detection channel 5. And an air duct switching mechanism is arranged inside the communication groove 25.

[0053] During use, the base body 1 can be placed at the position where air needs to be detected. A liquid for absorbing possible leaked pollutants is added in advance in the pollutant absorption chamber 14. Under normal conditions, the wind guiding mechanism 6 drives the air inside the detection channel 5 to flow at a low speed, so that the external gas passes through the gas pollution detection module 7 for detection. Under normal conditions, the gas is directly discharged through the air outlet 2. If pollutants are detected, the air duct switching mechanism works to introduce the gas inside the detection channel 5 into the cavity 17. The powerful fan 18 works to send the external polluted gas into the pollutant absorption chamber 14 through the air supply pipe 15 and the air outlet 16 to purify the gas. The purified gas is discharged through the communication groove 25.

[0054] Embodiment 2: On the basis of Embodiment 1, it is disclosed that a control panel 101 is provided on the front side of the base body 1, and an alarm 3 and a signal transmitter 4 are provided above the base body 1 to alarm for pollution monitoring. A liquid replenishing port 29 is provided above the pollutant absorption chamber 14, and a sealing cover 30 is threadedly connected above the liquid replenishing port 29. And a discharge port 31 is provided at the bottom of the pollutant absorption chamber 14. The air duct switching mechanism includes a movable block 11, a first channel 12, a second channel 13 and a movement control mechanism. The movable block 11 is arranged inside the communication groove 25 and forms a horizontal sliding structure with the communication groove 25. The first channel 12 is vertically opened inside the movable block 11, and the first channel 12 communicates with the detection channel 5. The second channel 13 is designed in an inverted "L" shape and is arranged on the left side of the first channel 12. The movement control mechanism is connected to the movable block 11 to control the horizontal movement of the movable block 11. The movement control mechanism includes a driving plate 21, a threaded rod 22 and a motor 23. The driving plate 21 is fixed on the right side of the movable block 11. The threaded rod 22 passes through the driving plate 21 and forms a threaded connection with the driving plate 21. The motor 23 is connected to the threaded rod 22 to control the rotation of the threaded rod 22. The shielding mechanism includes a stopper 19 and a control rod 20. The stopper 19 is arranged at the right opening of the cavity 17. The control rod 20 is fixed on the right side of the stopper 19, and the right end of the control rod 20 is connected to the driving plate 21. Control switches 24 are provided on both the left and right sides of the driving plate 21. The two groups of control switches 24 respectively control the circuit connection of the air guiding mechanism 6 and the powerful fan 18.

[0055] When air duct switching is required, the motor 23 drives the threaded rod 22 to rotate. The threaded rod 22 drives the driving plate 21 to move through the threaded connection with the driving plate 21. The driving plate 21 drives the movable block 11 and the control rod 20 to move, so that the communication groove 25 communicates with the detection channel 5 through the second channel 13. The control rod 20 pulls the stopper 19 to move, opening the cavity 17. After the driving plate 21 moves to the right, it disengages from the control switch 24 on the right side. The control switch 24 on the left side disconnects the circuit of the air guiding mechanism 6, and the control switch 24 on the right side connects the circuit of the powerful fan 18 to make it work, sucking the gas from the detection channel 5 into the cavity 17 and then into the pollutant absorption chamber 14 for purification.

[0056] Embodiment 3: On the basis of Embodiment 1, it is disclosed that a support seat 26 is fixed inside the pollutant absorption chamber 14, and a movable shaft 27 passes through the middle of the support seat 26. A rotational connection is formed between the movable shaft 27 and the support seat 26. A stirring shaft 2701 is fixed below the movable shaft 27, and a rotating blade 28 is arranged at the upper end of the movable shaft 27. The rotating blade 28 is located inside the communication groove 25. The gas receiving mechanism includes a connecting pipe 8, a receiving pipe 9, a connecting gear 32, a transmission gear 33, and a rotation control mechanism. The connecting pipe 8 is sleeved inside the detection channel 5. The receiving pipe 9 is fixed at the lower end of the connecting pipe 8. The connecting gear 32 is fixed on the outer side of the connecting pipe 8. The transmission gear 33 is arranged on the outer side of the connecting gear 32 and forms a meshing connection with the connecting gear 32. The transmission gear 33 is a semi-gear. The rotation control mechanism is arranged on the outer side of the transmission gear 33 to control the rotation of the transmission gear 33 and the receiving pipe 9. The rotation control mechanism includes a mounting shaft 34, a transmission belt 35, an auxiliary shaft 36, and a torsion spring 37. The mounting shaft 34 is fixed above the transmission gear 33, and a rotational connection is formed between the mounting shaft 34 and the base body 1. The transmission belt 35 is arranged on the outer side of the mounting shaft 34, and the mounting shaft 34 is connected to the movable shaft 27 through the transmission belt 35. The auxiliary shaft 36 is fixed at the lower middle of the receiving pipe 9, and a rotational connection is formed between the auxiliary shaft 36 and the base body 1. The torsion spring 37 is mounted at the lower end of the auxiliary shaft 36 to provide a rotational restoring force for the auxiliary shaft 36. Protective covers 10 are arranged on the outer sides of the air outlet 2 and the receiving pipe 9 to protect the air outlet 2 and the receiving pipe 9.

[0057] When the gas enters the pollutant absorption chamber 14, the purified gas enters the communication groove 25, driving the rotating blade 28 to drive the movable shaft 27 to rotate. The movable shaft 27 will drive the stirring shaft 2701 to rotate to stir the liquid. At the same time, the movable shaft 27 will drive the mounting shaft 34 to rotate through the transmission belt 35, causing it to drive the transmission gear 33 to rotate. The transmission gear 33 drives the connecting gear 32 to rotate intermittently through the intermittent meshing with the connecting gear 32, causing it to drive the connecting pipe 8 and the receiving pipe 9 to rotate. With the rotational restoring force of the torsion spring 37, the receiving pipe 9 can be driven to reverse when the transmission gear 33 and the connecting gear 32 are disengaged from meshing, causing it to swing continuously and increasing its air intake range.

[0058] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0059] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A safety detection device for engineering chemical leakage, comprising a base (1), an air outlet (2) being arranged above the base (1), a detection channel (5) being connected below the air outlet (2), and a gas pollution detection module (7) being arranged inside the detection channel (5); Features: The detection channel (5) is provided with an air guide mechanism (6) for blowing the gas in the detection channel (5); the detection channel (5) is connected to a gas receiving mechanism at the bottom thereof for introducing external gas into the detection channel (5); the side of the detection channel (5) is connected to a cavity (17); a powerful fan (18) is provided inside the cavity (17); a shielding mechanism is provided on the right side of the cavity (17); the left end of the cavity (17) is connected to an air supply pipe (15); an air outlet (16) is provided on the air supply pipe (15); a pollutant absorption chamber (14) is provided outside the air supply pipe (15); a connecting groove (25) is provided above the pollutant absorption chamber (14); the connecting groove (25) is connected to the upper end of the detection channel (5); and an air duct switching mechanism is provided inside the connecting groove (25).

2. A safety detection device for engineering chemical leakage according to claim 1, characterized in that: A control panel (101) is arranged on the front side of the base (1), and an alarm (3) and a signal transmitter (4) are arranged above the base (1) to provide an alarm for pollution monitoring.

3. The safety detection device for engineering chemical leakage according to claim 1 is characterized in that: A liquid replenishing port (29) is provided above the pollutant absorption chamber (14), a sealing cover (30) is threadedly connected above the liquid replenishing port (29), and a discharge port (31) is provided at the bottom of the pollutant absorption chamber (14).

4. The safety detection device for engineering chemical leakage according to claim 1 is characterized in that: The air duct switching mechanism comprises a movable block (11), a first channel (12), a second channel (13) and a movement control mechanism; A movable block (11) is arranged inside the connecting groove (25) and between the connecting grooves (25) to form a horizontal sliding structure; A first channel (12) is vertically opened inside the movable block (11), and the first channel (12) is connected to the detection channel (5); The second channel (13) is designed in an inverted "L" shape, and the second channel (13) is arranged on the left side of the first channel (12); The movement control mechanism is connected to the movable block (11) to control the horizontal movement of the movable block (11).

5. A safety detection device for engineering chemical leakage according to claim 4, characterized in that: The movement control mechanism comprises a driving plate (21), a threaded rod (22) and a motor (23); A driving plate (21) is fixed on the right side of the movable block (11); A threaded rod (22) passes through the driving plate (21) and forms a threaded connection between the driving plate (21); The motor (23) is connected to the threaded rod (22) to control the rotation of the threaded rod (22).

6. A safety detection device for engineering chemical leakage according to claim 5, characterized in that: The shielding mechanism comprises a block (19) and a control rod (20); A stopper (19) is arranged at the right opening of the cavity (17); The control rod (20) is fixed on the right side of the stopper (19), and the right end of the control rod (20) is connected to the driving plate (21).

7. A safety detection device for engineering chemical leakage according to claim 5 or 6, characterized in that: Control switches (24) are provided on the left and right sides of the driving plate (21), and the two groups of control switches (24) respectively control the circuit connection of the air guide mechanism (6) and the powerful fan (18).

8. The safety detection device for engineering chemical leakage according to claim 1 is characterized in that: A support seat (26) is fixed inside the pollutant absorption chamber (14), and a movable shaft (27) passes through the middle of the support seat (26), a rotation connection is formed between the movable shaft (27) and the support seat (26), and a stirring shaft (2701) is fixed below the movable shaft (27), and a rotating blade (28) is provided at the upper end of the movable shaft (27), and the rotating blade (28) is located inside the connecting groove (25).

9. A safety detection device for engineering chemical leakage according to claim 8, characterized in that: The gas receiving mechanism comprises a connecting pipe (8), a receiving pipe (9), a connecting gear (32), a transmission gear (33) and a rotation control mechanism; A connecting pipe (8) is sleeved inside the detection channel (5); A receiving tube (9) is fixed to the lower end of the connecting tube (8); A connecting gear (32) is fixed on the outside of the connecting pipe (8); A transmission gear (33) is arranged on the outer side of the connecting gear (32) and is meshed with the connecting gear (32), and the transmission gear (33) is a half gear; The rotation control mechanism is arranged on the outside of the transmission gear (33) to control the rotation of the transmission gear (33) and the receiving tube (9).

10. A safety detection device for engineering chemical leakage according to claim 9, characterized in that: The rotation control mechanism comprises a mounting shaft (34), a transmission belt (35), an auxiliary shaft (36) and a torsion spring (37); The mounting shaft (34) is fixed above the transmission gear (33), and a rotation connection is formed between the mounting shaft (34) and the base (1); A transmission belt (35) is arranged on the outside of the installation shaft (34), and the installation shaft (34) is connected to the movable shaft (27) through the transmission belt (35); An auxiliary shaft (36) is fixed at the middle and lower part of the receiving tube (9), and a rotation connection is formed between the auxiliary shaft (36) and the base body (1); The torsion spring (37) is installed at the lower end of the auxiliary shaft (36) to provide a rotational restoring force for the auxiliary shaft (36).

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