CN109331574B - Exhaust dust removal equipment and method suitable for gas dust explosion closed container - Google Patents
Exhaust dust removal equipment and method suitable for gas dust explosion closed container Download PDFInfo
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- CN109331574B CN109331574B CN201811425589.4A CN201811425589A CN109331574B CN 109331574 B CN109331574 B CN 109331574B CN 201811425589 A CN201811425589 A CN 201811425589A CN 109331574 B CN109331574 B CN 109331574B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Abstract
The invention discloses an exhaust dust removal device and method suitable for a gas dust explosion closed container, wherein the device comprises a control console, a sealing cover and a processing mechanism, the sealing cover comprises a step-shaped cover cap, a first automatic opening and closing door for closing or opening the step-shaped cover cap and a snake-shaped mechanical arm arranged on the inner bottom surface of the step-shaped cover cap, the snake-shaped mechanical arm is of a hollow structure, and a hose with the same length as the snake-shaped mechanical arm is arranged in the snake-shaped mechanical arm; the method comprises the following steps: firstly, mounting a sealing cover; secondly, starting the equipment; thirdly, sucking air and removing dust by using a snake-shaped mechanical arm; fourthly, sampling and storing the gas; fifthly, gas purification and exhaust; sixthly, stopping dust collection; and seventhly, discharging dust particles. According to the invention, the sealing cover is used for sealing the closed container, the snake-shaped mechanical arm is used for cleaning the interior of the explosion closed container with a complex structure, the processing mechanism is communicated with the sealing cover to realize internal dust filtration and gas purification, and harmful gas is prevented from being directly discharged in the environment.
Description
Technical Field
The invention belongs to the technical field of exhaust dust removal of a closed container, and particularly relates to exhaust dust removal equipment and method suitable for a gas dust explosion closed container.
Background
In recent years, with the continuous development of economy and the continuous improvement of the production level in China, the incidence rate of dust explosion accidents is continuously increased, the high-efficiency safe production and the healthy development of some industries are seriously influenced, and meanwhile, the harm of people caused by dust explosion is not a little. However, accident investigation lacks material evidence analysis and technical specifications, and huge dangers are also accompanied in the experimental process. According to investigation, harmful gas needs to be absorbed and treated along with the release of the harmful gas in the dust explosion process, the internal structure of an explosion closed container is complex, the closed container after the experiment is usually cleaned after the experiment of the explosion closed container is finished, the cleaning of the closed container needs to be carried out with the leakage-proof measure of the harmful gas, the dust and the gas in the closed container are difficult to clean and absorb by the conventional dust removing equipment and method, and the harmful gas is released in the environment and is harmful to people and the environment.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an exhaust and dust removal device suitable for a gas dust explosion closed container, which is novel and reasonable in design, utilizes a sealing cover to seal the closed container, adopts a snake-shaped mechanical arm to clean the interior of the explosion closed container with a complex structure, utilizes a processing mechanism to be communicated with the sealing cover to realize internal dust filtration and gas purification, avoids harmful gas from being directly discharged in the environment, reduces harm to people and the environment, and is convenient to popularize and use.
In order to solve the technical problems, the invention adopts the technical scheme that: exhaust dust collecting equipment suitable for gaseous dust explosion closed container, its characterized in that: the sealing cover comprises a control console, a sealing cover matched with a closed container and a processing mechanism communicated with the sealing cover and used for exhausting and dedusting, wherein the sealing cover comprises a stepped cover cap, a first automatic opening and closing door used for closing or opening the stepped cover cap and a snake-shaped mechanical arm arranged on the inner bottom surface of the stepped cover cap, the snake-shaped mechanical arm is of a hollow structure, a hose with the same length as the snake-shaped mechanical arm is arranged in the snake-shaped mechanical arm, the stepped cover cap comprises a first step cover plate, a second step cover plate and a third step cover plate which are sequentially connected from top to bottom, an air inlet hole is formed in the central position of the first step cover plate, an air inlet valve is arranged on the first step cover plate, a snake-shaped mechanical arm connecting end of the snake-shaped mechanical arm is arranged on the inner surface of the first step cover plate and is, the end face, away from the snake-shaped mechanical arm execution end, of the power ring is sequentially provided with a brush, a dust concentration sensor, a first gas concentration sensor, an LED lamp and a camera from inside to outside;
the processing mechanism comprises a moving trolley, a dust collection box and an absorption groove, wherein the dust collection box and the absorption groove are arranged on the moving trolley, a dust collector cover connected with the top of the dust collection box through a buckle is arranged at the top end of the absorption groove, a filter screen and a fan are sequentially arranged in the dust collection box from bottom to top, a vent pipe is arranged at the connecting position of the dust collector cover and the dust collection box, a guide pipe extending into the absorption groove is arranged on the vent pipe, a gas storage box is arranged at the position, close to the vent pipe, in the dust collector cover, a soft plug is arranged at the top end of the gas storage box, a second automatic opening and closing door communicated with or used for separating the vent pipe is arranged at the bottom end of the gas storage box, a second gas concentration sensor used for detecting the gas concentration in the vent pipe is arranged beside the second automatic opening and closing door, an exhaust port is arranged on the side wall of the absorption groove, a, the bottom of the dust collection box is provided with a pressure sensor.
The exhaust dust removal equipment suitable for the gas dust explosion closed container is characterized in that: the first step cover plate is also provided with a six-degree-of-freedom mechanical arm connecting plate, and the first step cover plate is connected with the six-degree-of-freedom mechanical arm through the six-degree-of-freedom mechanical arm connecting plate.
The exhaust dust removal equipment suitable for the gas dust explosion closed container is characterized in that: the bottom of the dust collection box is provided with a through hole, one end of the exhaust tube is connected with the bottom of the dust collection box through the through hole, and the other end of the exhaust tube is connected with the top of the stepped cover cap through the air inlet.
The exhaust dust removal equipment suitable for the gas dust explosion closed container is characterized in that: the control console comprises an operation console and a control host installed in the operation console, the first gas concentration sensor, the second gas concentration sensor, the dust concentration sensor, the pressure sensor and the camera are all connected with the input end of the control host, and the air inlet valve, the six-degree-of-freedom mechanical arm, the snake-shaped mechanical arm, the first automatic opening and closing door, the second automatic opening and closing door, the third automatic opening and closing door, the power ring and the fan are all connected with the output end of the control host; and the control host is provided with a display, and the display is connected with the output end of the control host.
The exhaust dust removal equipment suitable for the gas dust explosion closed container is characterized in that: the quantity of LED lamp is a plurality of, the quantity of camera is a plurality of.
The exhaust dust removal equipment suitable for the gas dust explosion closed container is characterized in that: the absorption groove is a wet dust absorption groove.
Meanwhile, the invention also discloses an exhaust dust removal method which has simple steps and reasonable design and is suitable for the gas dust explosion closed container, and the method is characterized in that: the method comprises the following steps:
step one, installing a sealing cover: the first step cover plate is provided with a six-degree-of-freedom mechanical arm connecting plate and is connected with a six-degree-of-freedom mechanical arm through the six-degree-of-freedom mechanical arm connecting plate, after the gas dust explosion experiment in the closed container is finished, a container cover of the closed container is opened, the console controls the six-degree-of-freedom mechanical arm to grab the sealing cover to move to the closed container, and the sealing cover is arranged on the closed container to seal the closed container;
a through hole is formed in the bottom of the dust collection box, one end of the exhaust pipe is connected with the bottom of the dust collection box through the through hole, the other end of the exhaust pipe is connected with the top of the stepped cover cap through the air inlet, and the snake-shaped mechanical arm is coiled in the sealing cover;
step two, starting the equipment: the control console controls the first automatic opening and closing door and the air inlet valve to be opened, and simultaneously controls the snake-shaped mechanical arm and the fan to work, at the moment, a power ring, a camera and an LED lamp which are arranged at an execution end of the snake-shaped mechanical arm are started, and the power ring rotates to drive the hairbrush to rotate;
step three, sucking air and removing dust by the snake-shaped mechanical arm: an execution end of a snake-shaped mechanical arm of the snake-shaped mechanical arm moves from top to bottom in a spiral mode along the wall of the closed container, a hose synchronously moves in a spiral mode along with the spiral movement of the snake-shaped mechanical arm, a rotating brush cleans the wall of the closed container, an LED lamp illuminates the closed container, a camera is used for collecting image video data in the closed container, an image picture is displayed through a display, a first gas concentration sensor collects a gas concentration value in the closed container, a dust concentration sensor collects a dust concentration value in the closed container, and a fan timely extracts gas dust in the closed container into a dust collection box through an exhaust pipe and the hose;
step four, gas sampling and storage: the extracted gas dust is filtered by the filter screen in a primary mode and enters the ventilation pipeline, a second gas concentration sensor is used for collecting the concentration value of gas in the ventilation pipeline in real time, when the concentration value of the gas in the ventilation pipeline collected by the second gas concentration sensor reaches a preset gas solubility value, the console controls the second automatic opening and closing door to be opened, the gas storage box samples and stores the gas reaching the preset gas solubility value, and after the gas in the gas storage box is fully stored, the console controls the second automatic opening and closing door to be closed;
step five, gas purification and exhaust: the gas in the ventilation pipeline enters the absorption tank through the guide pipe for gas purification, and the gas purified by the absorption tank rises and is discharged from the exhaust port;
step six, stopping dust collection: when the concentration value of gas in the closed container collected by the first gas concentration sensor is lower than a gas concentration threshold value and the concentration value of dust in the closed container collected by the dust concentration sensor is lower than a dust concentration threshold value, the control console controls the snake-shaped mechanical arm and the fan to stop working, the snake-shaped mechanical arm is retracted into the sealing cover, and the first automatic opening and closing door and the first automatic air inlet valve are closed;
step seven, discharging dust particles: the quality of dust particles in the dust collection box is collected in real time by using the pressure sensor, the console controls the third automatic opening and closing door to be opened, and the dust particles blocked in the dust collection box by the filter screen are discharged from the dust collection box through the dust guide pipeline.
The above method is characterized in that: and in the fourth step, the sampling gas stored in the gas storage box is extracted through a needle tube, and the needle tube penetrates through the soft plug to extract the sampling gas stored in the gas storage box.
Compared with the prior art, the invention has the following advantages:
1. according to the equipment adopted by the invention, the stepped cover cap is arranged, the stepped cover cap can be adjusted according to the size of the opening of the closed container to select the size to be matched with the closed container, the snake-shaped mechanical arm is arranged to be connected with the stepped cover cap, when the closed container needs to be exhausted and dedusted during explosion, the automatic opening and closing door is opened, the snake-shaped mechanical arm is unfolded and circularly moves from top to bottom along the wall of the closed container to clean the closed container, the hose is arranged in the snake-shaped mechanical arm, the hose is soft and bendable, the hose can synchronously and circularly move along with the spiral movement of the snake-shaped mechanical arm, and the use effect is good.
2. According to the device, the LED lamp is arranged at the execution end of the snake-shaped mechanical arm to supplement light for the camera, so that the clear and visible picture shot by the camera is ensured, the comprehensive and accurate cleaning of the closed container is realized, meanwhile, the first gas concentration sensor and the dust concentration sensor are used for detecting gas or dust in the closed container in real time, and the gas or dust concentration sensor is used as a basis for judging whether the cleaning of the closed container is finished, and the device is reliable and stable and has a good using effect.
3. According to the device adopted by the invention, the dust collection box is used for directly receiving the gas output by the snake-shaped mechanical arm, the dust is coarsely filtered through the filter screen, the gas and the dust are secondarily and finely filtered through the absorption groove, so that the filtered gas is discharged from the exhaust port, and the exhaust port and the air inlet valve jointly maintain the stable pressure of the device.
4. The method adopted by the invention has simple steps, the sealed container after the experiment is finished is sealed by installing the sealing cover, the equipment is started to open the power ring, the camera and the LED lamp, the power ring rotates to drive the hairbrush to rotate to continuously clean the wall of the sealed container, the snakelike mechanical arm sucks air for dedusting and then transmits gas and dust to the dust collection box, effective data collection is carried out for subsequent data analysis by utilizing gas sampling and storage, the gas reaching the standard is discharged to the air by gas purification and exhaust, harm to people and the environment is reduced, when the gas concentration value collected by the first gas concentration sensor in the sealed container is lower than the gas concentration threshold value and the dust concentration value collected by the dust concentration sensor in the sealed container is lower than the dust concentration threshold value, the control console controls the snakelike mechanical arm and the fan to stop working, the snakelike mechanical arm is collected in the sealing cover, and the first automatic opening, the use effect is good, and after the dust absorption, the automatic door that opens and shuts of console control No. three is opened, and the dust granule that is blockked in the dust collection box by the filter screen is discharged from the dust collection box through leading the dirt pipeline, and the follow-up analysis of being convenient for to the dust is convenient for use widely.
In conclusion, the invention has novel and reasonable design, the sealing cover is used for sealing the closed container, the snake-shaped mechanical arm is used for cleaning the interior of the explosion closed container with a complex structure, the processing mechanism is communicated with the sealing cover to realize internal dust filtration and gas purification, harmful gas is prevented from being directly discharged in the environment, harm to people and the environment is reduced, and the invention is convenient for popularization and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic view of the structural connection of the apparatus used in the present invention.
Figure 2 is a top view of the seal cap of the present invention.
FIG. 3 is an initial state diagram of the serpentine robotic arm of the present invention.
FIG. 4 is a diagram illustrating the use of the serpentine arm of the present invention.
FIG. 5 is a schematic structural diagram of an actuating end of a serpentine manipulator according to the present invention.
Fig. 6 is a schematic block circuit diagram of an apparatus employed in the present invention.
Fig. 7 is a block flow diagram of a method employed by the present invention.
Description of reference numerals:
1-console; 2-six-degree-of-freedom mechanical arm;
3-1 — a first gas concentration sensor; 3-2 — a second gas concentration sensor;
4-an air inlet valve; 5, sealing the cover; 5-1-first step cover plate;
5-2-second step cover plate; 5-3-third step cover plate; 5-4-air inlet;
5-six-degree-of-freedom mechanical arm connecting plate; 6, a snake-shaped mechanical arm;
6-1, connecting ends of snake-shaped mechanical arms; 6-2-snake-shaped mechanical arm execution end;
7-automatic opening and closing door I; 8, a hose; 9-a brush;
10-LED lamp; 11-a camera; 12-dust concentration sensor;
13-power ring; 14-an exhaust tube; 15, a fan;
16-a filter screen; 17-dust collecting box; 18-a cleaner cover;
19-soft plug; 20-gas storage box; 21-second automatic opening and closing door;
22-a vent line; 23-an exhaust port; 24-moving the trolley;
25-a catheter; 26-an absorption tank; 27-third automatic opening and closing door;
28-dust guide pipeline; 29-a pressure sensor; 30-display.
Detailed Description
As shown in fig. 1 to 5, the exhaust dust removing device suitable for a gas dust explosion closed container comprises a console 1, a sealing cover 5 matched with the closed container and a processing mechanism communicated with the sealing cover 5 and used for exhaust dust removal, wherein the sealing cover 5 comprises a step-shaped cap, a first automatic opening and closing door 7 used for closing or opening the step-shaped cap and a snake-shaped mechanical arm 6 installed on the inner bottom surface of the step-shaped cap, the snake-shaped mechanical arm 6 is of a hollow structure, a hose 8 with the same length as the snake-shaped mechanical arm 6 is arranged in the snake-shaped mechanical arm 6, the step-shaped cap comprises a first step cover plate 5-1, a second step cover plate 5-2 and a third step cover plate 5-3 which are sequentially connected from top to bottom, an air inlet 5-4 is arranged at the central position of the first step cover plate 5-1, and an air inlet valve 4 is arranged on the first step cover, a snake-shaped mechanical arm connecting end 6-1 of the snake-shaped mechanical arm 6 is arranged on the inner surface of the first step cover plate 5-1 and is communicated with an air inlet 5-4, a snake-shaped mechanical arm execution end 6-2 of the snake-shaped mechanical arm 6 is provided with a power ring 13 communicated with a hose 8, and a brush 9, a dust concentration sensor 12, a first gas concentration sensor 3-1, an LED lamp 10 and a camera 11 are sequentially arranged on the end surface of the power ring 13 far away from the snake-shaped mechanical arm execution end 6-2 from inside to outside;
the processing mechanism comprises a moving trolley 24, a dust collection box 17 and an absorption groove 26 which are arranged on the moving trolley 24, a dust collector cover 18 which is connected with the top of the dust collection box 17 in a buckling manner is arranged at the top end of the absorption groove 26, a filter screen 16 and a fan 15 are sequentially arranged in the dust collection box 17 from bottom to top, an air duct 22 is arranged at the connecting position of the dust collector cover 18 and the dust collection box 17, a guide pipe 25 which extends into the absorption groove 26 is arranged on the air duct 22, an air storage box 20 is arranged at the position, close to the air duct 22, in the dust collector cover 18, a soft plug 19 is arranged at the top end of the air storage box 20, a second automatic opening and closing door 21 which is communicated with or used for blocking the air duct 22 is arranged at the bottom end of the air storage box 20, a second gas concentration sensor 3-2 which is used for detecting the gas concentration in the air duct 22, a dust guide pipeline 28 is arranged on the outer side of the lower part of the dust collection box 17, a third automatic opening and closing door 27 is arranged at the connecting position of the dust collection box 17 and the dust guide pipeline 28, and a pressure sensor 29 is arranged at the bottom of the dust collection box 17.
The step-shaped cap is arranged, the step-shaped cap can be adjusted according to the size of an opening of the closed container to select the size to be matched with the closed container, meanwhile, the snake-shaped mechanical arm 6 is arranged to be connected with the step-shaped cap, when the closed container needs to be exhausted and dedusted, the first automatic opening and closing door 7 is opened, the snake-shaped mechanical arm 6 is unfolded and circularly moves from top to bottom along the wall of the closed container to clean the closed container, the hose 8 is arranged in the snake-shaped mechanical arm 6, the hose 8 is soft and bendable, and the hose 8 can synchronously circularly move along with the spiral movement of the snake-shaped mechanical arm 6; an LED lamp 10 is arranged at the execution end 6-2 of the snake-shaped mechanical arm to supplement light for the camera 11, so that a picture shot by the camera 11 is clear and visible, comprehensive and accurate cleaning of the closed container is realized, meanwhile, the first gas concentration sensor 3-1 and the dust concentration sensor 12 are used for detecting gas or dust in the closed container in real time to serve as a basis for judging whether cleaning of the closed container is finished, and the method is reliable and stable; the gas output by the snake-shaped mechanical arm 6 is directly received by the dust collection box 17, the dust is coarsely filtered by the filter screen 16, the gas and the dust are secondarily and finely filtered by the absorption groove 26, the filtered gas is discharged from the exhaust port 23, and the exhaust port 23 and the air inlet valve 4 jointly maintain the pressure stability of the equipment.
When the dust collector is used in real time, the processing mechanism is provided with the movable trolley 24 for facilitating the movement of the dust collection box 17 and the absorption groove 26, the processing mechanism is moved to the side of a closed container during exhaust and dust removal for facilitating the implementation of an experiment, the connecting position of the dust collector cover 18 and the dust collection box 17 is provided with the vent pipe 22 for gathering gas output by the experiment, the gas storage box 20 is arranged in the vent pipe 22 for gas sampling, the top end of the gas storage box 20 is provided with the soft plug 19 for facilitating the sealing of the gas storage box 20 and the later-stage gas collection, and when the dust collector is actually used, the needle tube is used for puncturing the soft plug 19 to take out the sampled gas, so that the possibility of gas leakage is reduced, and puncturing collection can be repeated; in actual installation, the duct 25 is inserted into the lower part of the absorption tank 26 to realize fine filtration of gas and fine dust, but in this embodiment, the absorption tank 26 is a wet dust absorption tank, and the exhausted gas rises and is exhausted from the exhaust port 23, so that the use effect is good.
In this embodiment, the first step cover plate 5-1 is further provided with a six-degree-of-freedom mechanical arm connecting plate 5-5, and the first step cover plate 5-1 is connected with the six-degree-of-freedom mechanical arm 2 through the six-degree-of-freedom mechanical arm connecting plate 5-5.
It should be noted that the first step cover plate 5-1 is connected with the six-degree-of-freedom mechanical arm 2 through the six-degree-of-freedom mechanical arm connecting plate 5-5, and the six-degree-of-freedom mechanical arm 2 can move up and down, left and right, and front and back, respectively, and simultaneously rotate up and down, left and right, and front and back, respectively, so as to ensure that the sealing cover 5 is mounted on the closed container.
In this embodiment, a through hole is formed at the bottom of the dust collection box 17, one end of the air exhaust pipe 14 is connected with the bottom of the dust collection box 17 through the through hole, and the other end of the air exhaust pipe 14 is connected with the top of the step-shaped cap through the air inlet holes 5-4.
It should be noted that, because the dust particles have self-weight, the dust particles are convenient to sink, and the through holes are formed at the bottom of the dust collection box 17, so that a large amount of dust particles are reduced to be scattered in the dust collection box 17 on the premise of not blocking the gas from entering the dust collection box 17.
As shown in fig. 6, in this embodiment, the console 1 includes an operation console and a control host installed in the operation console, the first gas concentration sensor 3-1, the second gas concentration sensor 3-2, the dust concentration sensor 12, the pressure sensor 29 and the camera 11 are all connected to an input end of the control host, and the air intake valve 4, the six-degree-of-freedom robot 2, the serpentine robot 6, the first automatic opening/closing door 7, the second automatic opening/closing door 21, the third automatic opening/closing door 27, the power ring 13 and the fan 15 are all connected to an output end of the control host; the control host is provided with a display 30, and the display 30 is connected with the output end of the control host.
In this embodiment, the number of the LED lamps 10 is plural, and the number of the cameras 11 is plural.
In this embodiment, the absorption tank 26 is a wet dust absorption tank.
Fig. 7 shows an exhaust dedusting method suitable for a gas dust explosion closed container, which comprises the following steps:
step one, installing a sealing cover: a six-degree-of-freedom mechanical arm connecting plate 5-5 is mounted on a first step cover plate 5-1, the first step cover plate 5-1 is connected with a six-degree-of-freedom mechanical arm 2 through the six-degree-of-freedom mechanical arm connecting plate 5-5, after the experiment of gas dust explosion in the closed container is finished, a container cover of the closed container is opened, a console 1 controls the six-degree-of-freedom mechanical arm 2 to grab a sealing cover 5 and move to the closed container, the sealing cover 5 is mounted on the closed container, and the closed container is sealed;
a through hole is formed in the bottom of the dust collection box 17, one end of the exhaust pipe 14 is connected with the bottom of the dust collection box 17 through the through hole, the other end of the exhaust pipe 14 is connected with the top of the stepped cap through the air inlet 5-4, and the snake-shaped mechanical arm 6 is coiled in the sealing cover 5;
step two, starting the equipment: the control console 1 controls the first automatic opening and closing door 7 and the air inlet valve 4 to be opened, and simultaneously controls the snake-shaped mechanical arm 6 and the fan 15 to work, at the moment, a power ring 13, a camera 11 and an LED lamp 10 which are arranged at a snake-shaped mechanical arm execution end 6-2 of the snake-shaped mechanical arm 6 are opened, and the power ring 13 rotates to drive the hairbrush 9 to rotate;
step three, sucking air and removing dust by the snake-shaped mechanical arm: an execution end 6-2 of the snake-shaped mechanical arm 6 of the snake-shaped mechanical arm moves from top to bottom in a circling mode along the wall of the closed container, a hose 8 moves the snake-shaped mechanical arm 6 in the circling mode to synchronously circling, a rotating brush 9 cleans the wall of the closed container, an LED lamp 10 illuminates the closed container, a camera 11 is used for collecting image video data in the closed container, an image picture is displayed through a display 30, a first gas concentration sensor 3-1 collects a gas concentration value in the closed container, a dust concentration sensor 12 collects a dust concentration value in the closed container, and a fan 15 timely extracts gas dust in the closed container into a dust collection box 17 through an exhaust pipe 14 and the hose 8;
step four, gas sampling and storage: the extracted gas dust is filtered by a filter screen 16 in a primary mode and enters an air duct 22, a concentration value of gas in the air duct 22 is collected in real time by a second gas concentration sensor 3-2, when the concentration value of the gas in the air duct 22 collected by the second gas concentration sensor 3-2 reaches a preset gas solubility value, a console 1 controls a second automatic opening and closing door 21 to be opened, a gas storage box 20 samples and stores the gas reaching the preset gas solubility value, and after the gas in the gas storage box 20 is fully stored, the console 1 controls the second automatic opening and closing door 21 to be closed;
in this embodiment, in step four, the sampling gas stored in the gas storage box 20 is extracted through the needle tube, and the needle tube penetrates through the soft plug 19 to extract the sampling gas stored in the gas storage box 20.
Step five, gas purification and exhaust: the gas in the ventilation pipeline 22 enters the absorption tank 26 through the conduit 25 for gas purification, and the gas purified by the absorption tank 26 rises and is discharged from the exhaust port 23;
step six, stopping dust collection: when the first gas concentration sensor 3-1 collects that the concentration value of gas in the closed container is lower than a gas concentration threshold value and the dust concentration sensor 12 collects that the concentration value of dust in the closed container is lower than a dust concentration threshold value, the console 1 controls the snake-shaped mechanical arm 6 and the fan 15 to stop working, the snake-shaped mechanical arm 6 is retracted into the sealing cover 5, and the first automatic opening and closing door 7 and the air inlet valve 4 are closed;
step seven, discharging dust particles: the quality of dust particles in the dust collection box 17 is collected in real time by using the pressure sensor 29, the console controls the third automatic opening and closing door 27 to be opened, and the dust particles blocked in the dust collection box 17 by the filter screen 16 are discharged from the dust collection box 17 through the dust guide pipeline 28.
The invention seals the closed container after the experiment is finished by installing the sealing cover, the equipment is started to open the power ring, the camera and the LED lamp, the power ring rotates to drive the brush to rotate to continuously clean the wall of the closed container, the snakelike mechanical arm sucks air for dedusting and then transmits gas and dust to the dust collection box, effective data collection is carried out for subsequent data analysis by utilizing gas sampling and storage, the gas reaching the standard is discharged into the air through gas purification and exhaust, harm to people and the environment is reduced, when the gas concentration value collected by the first gas concentration sensor in the closed container is lower than the gas concentration threshold value and the dust concentration value collected by the dust concentration sensor in the closed container is lower than the dust concentration threshold value, the control console controls the snakelike mechanical arm and the fan to stop working, the snakelike mechanical arm is withdrawn into the sealing cover, the first automatic opening and closing door and the air inlet valve, after the dust absorption is finished, the console controls the third automatic opening and closing door to be opened, dust particles blocked in the dust collection box by the filter screen are discharged from the dust collection box through the dust guide pipeline, the follow-up analysis and treatment on dust are facilitated, harmful gas is prevented from being directly discharged into the environment, and harm to people and the environment is reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. Exhaust dust removal method suitable for gaseous dust explosion closed container utilizes the exhaust dust collecting equipment who is applicable to gaseous dust explosion closed container to exhaust and removes dust, the exhaust dust collecting equipment who is applicable to gaseous dust explosion closed container includes control cabinet (1), with closed container complex sealed lid (5) and with sealed lid (5) intercommunication be used for the exhaust to remove dust processing mechanism, sealed lid (5) include the notch cuttype block, be used for sealing or open No. one of notch cuttype block is automatic to open and shut door (7) and is installed serpentine mechanical arm (6) on the bottom surface in the notch cuttype block, serpentine mechanical arm (6) are hollow structure, are provided with in serpentine mechanical arm (6) and isometric hose (8) with serpentine mechanical arm (6), the notch cuttype block is including first step apron (5-1) that from top to bottom connect gradually, The dust collecting device comprises a second step cover plate (5-2) and a third step cover plate (5-3), an air inlet hole (5-4) is formed in the center of the first step cover plate (5-1), an air inlet valve (4) is installed on the first step cover plate (5-1), a snake-shaped mechanical arm connecting end (6-1) of the snake-shaped mechanical arm (6) is installed on the inner surface of the first step cover plate (5-1) and communicated with the air inlet hole (5-4), a power ring (13) communicated with a hose (8) is installed at a snake-shaped mechanical arm executing end (6-2) of the snake-shaped mechanical arm (6), and a brush (9), a dust concentration sensor (12), a first gas concentration sensor (3-1) and a power ring (13) are sequentially arranged on the end face, far away from the snake-shaped mechanical arm executing end (6-2), of the, An LED lamp (10) and a camera (11);
the processing mechanism comprises a movable trolley (24), a dust collection box (17) and an absorption groove (26), wherein the dust collection box (17) and the absorption groove (26) are arranged on the movable trolley (24), a dust collector cover (18) connected with the top of the dust collection box (17) in a buckling mode is installed at the top end of the absorption groove (26), a filter screen (16) and a fan (15) are sequentially arranged in the dust collection box (17) from bottom to top, an air vent pipeline (22) is arranged at the connecting position of the dust collector cover (18) and the dust collection box (17), a guide pipe (25) extending into the absorption groove (26) is arranged on the air vent pipeline (22), an air storage box (20) is arranged at the position, close to the air vent pipeline (22), in the dust collector cover (18), a soft plug (19) is arranged at the top end of the air storage box (20), a second automatic opening and closing door (21) communicated with or used for blocking the air vent pipeline (22) is arranged at the bottom end of the air storage box (20), and a (3-2), an exhaust port (23) is formed in the side wall of the absorption groove (26), a dust guide pipeline (28) is arranged on the outer side of the lower portion of the dust collection box (17), a third automatic opening and closing door (27) is arranged at the connecting position of the dust collection box (17) and the dust guide pipeline (28), and a pressure sensor (29) is arranged at the bottom of the dust collection box (17); the first step cover plate (5-1) is also provided with a six-degree-of-freedom mechanical arm connecting plate (5-5), and the first step cover plate (5-1) is connected with the six-degree-of-freedom mechanical arm (2) through the six-degree-of-freedom mechanical arm connecting plate (5-5);
the control console (1) comprises an operation console and a control host installed in the operation console, the first gas concentration sensor (3-1), the second gas concentration sensor (3-2), the dust concentration sensor (12), the pressure sensor (29) and the camera (11) are all connected with the input end of the control host, and the air inlet valve (4), the six-degree-of-freedom mechanical arm (2), the snake-shaped mechanical arm (6), the first automatic opening and closing door (7), the second automatic opening and closing door (21), the third automatic opening and closing door (27), the power ring (13) and the fan (15) are all connected with the output end of the control host; the control host is provided with a display (30), and the display (30) is connected with the output end of the control host;
the method is characterized in that: the method comprises the following steps:
step one, installing a sealing cover: a six-degree-of-freedom mechanical arm connecting plate (5-5) is mounted on a first step cover plate (5-1), the first step cover plate (5-1) is connected with a six-degree-of-freedom mechanical arm (2) through the six-degree-of-freedom mechanical arm connecting plate (5-5), after the experiment of gas dust explosion in the closed container is finished, a container cover of the closed container is opened, a control console (1) controls the six-degree-of-freedom mechanical arm (2) to grab the sealing cover (5) to move to the closed container, the sealing cover (5) is mounted on the closed container, and the closed container is sealed;
a through hole is formed in the bottom of the dust collection box (17), one end of the exhaust pipe (14) is connected with the bottom of the dust collection box (17) through the through hole, the other end of the exhaust pipe (14) is connected with the top of the stepped cover cap through the air inlet hole (5-4), and the snake-shaped mechanical arm (6) is coiled in the sealing cover (5);
step two, starting the equipment: the control console (1) controls the first automatic opening and closing door (7) and the air inlet valve (4) to be opened, and simultaneously controls the snake-shaped mechanical arm (6) and the fan (15) to work, at the moment, a power ring (13), a camera (11) and an LED lamp (10) which are arranged at a snake-shaped mechanical arm execution end (6-2) of the snake-shaped mechanical arm (6) are opened, and the power ring (13) rotates to drive the hairbrush (9) to rotate;
step three, sucking air and removing dust by the snake-shaped mechanical arm: an execution end (6-2) of the snake-shaped mechanical arm (6) moves from top to bottom in a circling mode along the wall of the closed container, a hose (8) moves in the circling mode on the snake-shaped mechanical arm (6) in a synchronous circling mode, a rotating brush (9) cleans the wall of the closed container, an LED lamp (10) is used for illuminating the closed container, a camera (11) is used for collecting image video data in the closed container, an image picture is displayed through a display (30), a first gas concentration sensor (3-1) collects a gas concentration value in the closed container, a dust concentration sensor (12) collects a dust concentration value in the closed container, and a fan (15) timely extracts the gas dust in the closed container into a dust collection box (17) through an air exhaust pipe (14) and the hose (8);
step four, gas sampling and storage: the extracted gas dust is filtered by a filter screen (16) in a primary mode and enters an air duct (22), a second gas concentration sensor (3-2) is used for collecting the concentration value of gas in the air duct (22) in real time, when the concentration value of the gas in the air duct (22) collected by the second gas concentration sensor (3-2) reaches a preset gas solubility value, a console (1) controls a second automatic opening and closing door (21) to be opened, a gas storage box (20) samples and stores the gas reaching the preset gas solubility value, and after the gas in the gas storage box (20) is fully stored, the console (1) controls the second automatic opening and closing door (21) to be closed;
step five, gas purification and exhaust: the gas in the ventilation pipeline (22) enters the absorption tank (26) through the conduit (25) for gas purification, and the gas purified by the absorption tank (26) rises and is discharged from the exhaust port (23);
step six, stopping dust collection: when a first gas concentration sensor (3-1) collects that a gas concentration value in the closed container is lower than a gas concentration threshold value and a dust concentration sensor (12) collects that a dust concentration value in the closed container is lower than a dust concentration threshold value, a control console (1) controls a snake-shaped mechanical arm (6) and a fan (15) to stop working, the snake-shaped mechanical arm (6) is withdrawn into a sealing cover (5), and a first automatic opening and closing door (7) and an air inlet valve (4) are closed;
step seven, discharging dust particles: the quality of dust particles in the dust collection box (17) is collected in real time by using a pressure sensor (29), the console controls the third automatic opening and closing door (27) to be opened, and the dust particles blocked in the dust collection box (17) by the filter screen (16) are discharged from the dust collection box (17) through the dust guide pipeline (28).
2. The method of claim 1, wherein: the bottom of the dust collection box (17) is provided with a through hole, one end of the air exhaust pipe (14) is connected with the bottom of the dust collection box (17) through the through hole, and the other end of the air exhaust pipe (14) is connected with the top of the step-shaped cover cap through the air inlet hole (5-4).
3. The method of claim 1, wherein: the LED lamp (10) is in a plurality of quantity, and the camera (11) is in a plurality of quantity.
4. The method of claim 1, wherein: the absorption tank (26) is a wet dust absorption tank.
5. The method of claim 1, wherein: in the fourth step, the sampling gas stored in the gas storage box (20) is extracted through a needle tube, and the needle tube penetrates through the soft plug (19) to extract the sampling gas stored in the gas storage box (20).
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|---|---|---|---|
| CN201811425589.4A CN109331574B (en) | 2018-11-27 | 2018-11-27 | Exhaust dust removal equipment and method suitable for gas dust explosion closed container |
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| CN201811425589.4A CN109331574B (en) | 2018-11-27 | 2018-11-27 | Exhaust dust removal equipment and method suitable for gas dust explosion closed container |
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| CN109331574B true CN109331574B (en) | 2021-06-18 |
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