Disclosure of Invention
The invention aims to provide a detection device for chemical waste gas for environmental protection, which can detect the waste gas with the whole volume in the detection and discharge processes through the matching of an air inlet device, a re-conveying device, a monitoring device, a displacement device, a rotating device, a filtering device, an air pushing device and an opening and closing device, thereby improving the detection precision and avoiding damaging the surrounding environment.
The invention provides a specific technical scheme as follows:
a detection device for chemical waste gas for environmental protection comprises a temporary storage bottom box and a detection camera box, wherein an air inlet device, a re-conveying device, a monitoring device, a displacement device, a rotating device, a filtering device, an air pushing device and an opening and closing device are arranged on the temporary storage bottom box and the detection camera box;
the temporary storage bottom box is characterized in that a detection camera box is fixedly connected to one side of the temporary storage bottom box, the detection camera box is of a structure with openings on two sides, a support frame is fixedly connected to the other side of the detection camera box, a temporary storage top box is fixedly connected between the support frames, the temporary storage top box is of a structure with openings on two sides, a one-way valve is fixedly connected to the opening on one side of the temporary storage top box, and the one-way valve is communicated with the opening on the other side of the temporary storage top;
the air inlet device is arranged at one side of the detection dark box and communicated with the temporary storage top box, and the air inlet device is used for connecting an external waste gas source and controlling the flow direction of the waste gas source;
a re-conveying device is arranged in the temporary storage bottom box and used for re-conveying the waste gas entering the temporary storage bottom box, and the re-conveying device is connected with the air inlet device;
a monitoring device is arranged in the detection camera bellows and is used for detecting the content of particulate matters in the waste gas;
a displacement device is arranged at the position of one side of the detection dark box close to the temporary storage top box and is used for carrying out parallel movement;
the displacement device is provided with a rotating device, and the rotating device is used for rotating;
the rotating device is provided with a filtering device, the filtering device is matched with the monitoring device, the filtering device is connected with the one-way valve, and the filtering device is used for filtering particles in the waste gas and detecting the content of the particles through the matching of the monitoring device;
an opening structure at one side of the temporary storage top box, which is far away from the one-way valve, is provided with an air pushing device, and the air pushing device is used for discharging waste gas in the temporary storage top box;
the temporary storage top box is close to a position on one side of the one-way valve, and an opening and closing device is arranged at the position on one side of the one-way valve and used for controlling the emission position after waste gas monitoring.
As a further improvement of the invention, the air inlet device comprises an electromagnetic valve, one side of the detection dark box is fixedly connected with the electromagnetic valve, the other side of the electromagnetic valve is fixedly connected with a three-way joint, a main air inlet pipe is fixedly connected at a position of the three-way joint far away from one side of the temporary storage bottom box, a reversing valve is fixedly connected at a position of the three-way joint far away from one side of the main air inlet pipe, one side of the reversing valve is connected with the re-conveying device, and the other side of the reversing valve is fixedly connected with a secondary.
As a further improvement of the invention, the re-feeding device comprises an air pump, the temporary storage bottom box is internally and fixedly connected with the air pump, one side of the air pump is fixedly connected with an air outlet pipe, the air outlet pipe is connected with the reversing valve, and the other side of the air pump is fixedly connected with an air suction pipe.
As a further improvement of the invention, the monitoring device comprises a glass frame, the glass frame is fixedly connected in the detection camera bellows, a laser emitting head is fixedly connected to one side of the inner wall of the detection camera bellows, a laser receiving head is fixedly connected to the other side of the inner wall of the detection camera bellows, and the laser emitting head corresponds to the laser receiving head.
As a further improvement of the invention, the displacement device comprises a connecting frame, the connecting frame is arranged at a position of the detection camera bellows close to one side of the temporary storage top box, a first electric slide rail is fixedly connected to one side of the connecting frame, a moving pair is fixedly connected to the same side position of the connecting frame, a moving member of the moving pair is connected with a moving member of the first electric slide rail, and a moving member of the moving pair is connected with the rotating device.
As a further improvement of the invention, the rotating device comprises a fixed block, the moving member of the moving pair is fixedly connected with the fixed block, the fixed block is rotatably connected with a damping rotating shaft, the damping rotating shaft is fixedly connected with a rotating block, the other side of the rotating block is connected with the filtering device, the damping rotating shaft is fixedly connected with a gear, a rack is fixedly connected at a position of one side of the connecting frame, which is far away from the glass frame, and the rack is matched with the gear.
As a further improvement, the filter device comprises an installation disc, the other side of the rotating block is fixedly connected with the installation disc, a rubber disc is fixedly connected at a position of the installation disc close to one side of the glass frame, a shunt pipe is fixedly connected between the rubber disc and the installation disc, the shunt pipe is connected with the one-way valve, the other side of the rubber disc is fixedly connected with a fixture block, the fixture blocks at the same side are mutually matched, the other side of the fixture block is fixedly connected with a filter screen frame, and both sides of the filter screen frame are fixedly connected with rubber rings.
As a further improvement of the invention, the gas pushing device comprises a push plate, the push plate is slidably placed at an opening structure at one side of the temporary storage top box far away from the one-way valve, a second electric slide rail is fixedly connected at the same side position of the temporary storage top box, a pushing frame is fixedly connected to a moving member of the second electric slide rail, and the pushing frame is connected with the push plate.
As a further improvement of the invention, the opening and closing device comprises a main exhaust pipe, the main exhaust pipe is fixedly connected to a position close to the opening structure on one side of the one-way valve in the temporary storage top box, a backflow pipe is fixedly connected to the position on the same side of the temporary storage top box, the backflow pipe is connected with an external waste gas treatment pipe, the main exhaust pipe is communicated with the outside, a third electric slide rail is fixedly connected to the side wall on the position on the same side of the temporary storage top box, a moving member of the third electric slide rail is fixedly connected with a baffle, and the baffle extends into the main exhaust pipe and the backflow pipe.
The invention has the following beneficial effects:
(1) according to the invention, the air inlet device is connected with the external waste gas pipe, so that waste gas enters the detection camera bellows for detection, and the temporary storage function of the temporary storage bottom box is used for temporarily storing the waste gas during the temporary storage detection of the waste gas, so that the waste gas can be timely discharged, the excessive pressure of the external waste gas pipe is avoided, the pressure can be transferred through the temporary storage bottom box, and the discharge mode of the detected waste gas can be switched according to the detection result through the function of the temporary storage top box.
(2) According to the invention, the detection precision of the laser emitting head and the laser receiving head cannot be influenced by external light rays in a mode that the detection camera bellows surrounds the laser emitting head, the laser receiving head and the glass frame, particulate impurities in waste gas cannot contact the laser emitting head and the laser receiving head in a mode that the glass frame is isolated, the precision can also be prevented from being influenced, and the amount of the particulate impurities in the waste gas can be rapidly and accurately detected in a mode that the laser emitting head and the laser receiving head irradiate the waste gas.
(3) According to the invention, the dust in the waste gas is filtered by adopting the filter screen frame, so that the waste gas can be detected more quickly by the laser emitting head and the laser receiving head, and the detection data is prevented from being smaller and the error is prevented from being large because the waste gas directly passes through the laser emitting head and the laser receiving head.
(4) According to the invention, the filter screen frame can be driven to automatically rotate by adopting a mode that the gear works on the rack, so that particulate impurities on the filter screen frame can be automatically poured out, the filter screen frame can be automatically cleaned, and the influence of excessive particulate impurities left on the filter screen frame on the detection precision is avoided.
(5) According to the invention, the opening and closing of the main discharge pipe and the double flow pipe are switched by adopting the baffle plate, so that the circulation path of waste gas after detection is finished can be realized, the waste gas which does not accord with the discharge standard is prevented from being discharged, the waste gas which does not accord with the discharge standard can enter the double flow pipe for retreatment, and the waste gas which accords with the discharge standard is directly discharged.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "fixed," "mounted," "connected," or "disposed" to another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have the particular orientations, configurations and operations described in the specification, and therefore are not to be considered limiting.
As a further development of the invention, the terms "first", "second", "third", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings:
referring to fig. 1-10, a detection device for chemical waste gas for environmental protection comprises a temporary storage bottom box 1 and a detection dark box 2, wherein an air inlet device 6, a re-conveying device 7, a monitoring device 8, a displacement device 9, a rotating device 10, a filtering device 11, an air pushing device 12 and an opening and closing device 13 are arranged on the temporary storage bottom box 1 and the detection dark box 2;
one side of the temporary storage bottom box 1 is fixedly connected with a detection camera bellows 2, the detection camera bellows 2 is of a structure with openings at two sides, the other side of the detection camera bellows 2 is fixedly connected with a support frame 3, a temporary storage top box 4 is fixedly connected between the support frames 3, the temporary storage top box 4 is of a structure with openings at two sides, an opening at one side of the temporary storage top box 4 is fixedly connected with a one-way valve 5, and the one-way valve 5 is communicated with an opening structure at the other side of the temporary storage top box 4;
an air inlet device 6 is arranged at one side of the detection dark box 2, the air inlet device 6 is communicated with the temporary storage top box 4, and the air inlet device 6 is used for connecting an external waste gas source and controlling the flow direction of the waste gas source;
a re-conveying device 7 is arranged in the temporary storage bottom box 1, the re-conveying device 7 is used for re-conveying the waste gas entering the temporary storage bottom box 1, and the re-conveying device 7 is connected with the air inlet device 6;
a monitoring device 8 is arranged in the detection dark box 2, and the monitoring device 8 is used for detecting the content of particulate matters in the waste gas;
a displacement device 9 is arranged at a position of the detection dark box 2 close to one side of the temporary storage top box 4, and the displacement device 9 is used for performing parallel movement;
the displacement device 9 is provided with a rotating device 10, and the rotating device 10 is used for rotating;
the rotating device 10 is provided with a filtering device 11, the filtering device 11 is matched with the monitoring device 8, the filtering device 11 is connected with the one-way valve 5, and the filtering device 11 is used for filtering particles in the exhaust gas and detecting the content of the particles through the matching of the monitoring device 8;
an opening structure of one side of the temporary storage top box 4, which is far away from the one-way valve 5, is provided with an air pushing device 12, and the air pushing device 12 is used for discharging waste gas in the temporary storage top box 4;
the temporary storage top box 4 is close to the one-way valve 5, and the opening and closing device 13 is arranged at one side of the one-way valve, and the opening and closing device 13 is used for controlling the discharge position after waste gas monitoring.
Through adopting air inlet unit 6 and external waste gas union coupling, make waste gas enter into and detect in the camera bellows 2 to through the effect of keeping in of under casing 1 when detecting waste gas pause, can make the emission of waste gas in time, avoid causing the pressure of external waste gas pipe too big, can carry out the transfer of pressure through keeping in under casing 1, and through the effect of keeping in top case 4, can make the waste gas that detects the completion switch the emission mode according to the testing result.
In some embodiments of the present invention, the air inlet device 6 includes an electromagnetic valve 61, one side of the detection dark box 2 is fixedly connected with the electromagnetic valve 61, the other side of the electromagnetic valve 61 is fixedly connected with a three-way joint 62, a main air inlet pipe 63 is fixedly connected to a position of the three-way joint 62 away from one side of the temporary storage bottom box 1, a reversing valve 64 is fixedly connected to a position of the three-way joint 62 away from one side of the main air inlet pipe 63, one side of the reversing valve 64 is connected with the re-conveying device 7, and a secondary air inlet pipe 65 is fixedly connected to the other side of.
In some embodiments of the present invention, the re-feeding device 7 includes an air pump 71, the air pump 71 is fixedly connected in the temporary bottom box 1, an air outlet pipe 72 is fixedly connected to one side of the air pump 71, the air outlet pipe 72 is connected to the reversing valve 64, and an air suction pipe 73 is fixedly connected to the other side of the air pump 71.
In some embodiments of the present invention, the monitoring device 8 includes a glass frame 81, the glass frame 81 is fixedly connected in the detection camera bellows 2, a laser emitting head 82 is fixedly connected to one side of the inner wall of the detection camera bellows 2, a laser receiving head 83 is fixedly connected to the other side of the inner wall of the detection camera bellows 2, and the laser emitting head 82 corresponds to the laser receiving head 83.
Surround laser emission head 82 through detecting camera bellows 2, laser receiver 83 and glass frame 81's mode, can make external light can not influence laser emission head 82 and laser receiver 83's detection precision, and carry out isolated mode through glass frame 81, can make the particulate matter impurity in the waste gas can not contact laser emission head 82 and laser receiver 83, also can avoid influencing its precision, and use laser emission head 82 and laser receiver 83 to shine the mode of waste gas, can be fast and accurate detect the particulate matter impurity volume in the waste gas.
In some embodiments of the present invention, the displacement device 9 includes a connecting frame 91, the connecting frame 91 is disposed at a position of the detection dark box 2 near one side of the temporary storage top box 4, a first electric slide rail 92 is fixedly connected to one side of the connecting frame 91, a moving member of the moving member 93 is connected to a moving member of the first electric slide rail 92, and the moving member of the moving member 93 is connected to the rotating device 10.
In some embodiments of the present invention, the rotating device 10 includes a fixed block 101, the fixed block 101 is fixedly connected to the moving member of the moving pair 93, the fixed block 101 is rotatably connected to a damping rotating shaft 102, the damping rotating shaft 102 is fixedly connected to a rotating block 103, the other side of the rotating block 103 is connected to the filtering device 11, the damping rotating shaft 102 is fixedly connected to a gear 104, a position of the connecting frame 91, which is far away from one side of the glass frame 81, is fixedly connected to a rack 105, and the rack 105 is matched with the gear 104.
In some embodiments of the present invention, the filtering device 11 includes a mounting plate 111, the other side of the rotating block 103 is fixedly connected with the mounting plate 111, a rubber plate 112 is fixedly connected to a position of the mounting plate 111 near one side of the glass frame 81, a shunt tube 113 is fixedly connected between the rubber plate 112 and the mounting plate 111, the shunt tube 113 is connected to the one-way valve 5, a fixture block 114 is fixedly connected to the other side of the rubber plate 112, the fixture blocks 114 on the same side are mutually matched, a filter screen frame 115 is fixedly connected to the other side of the fixture block 114, and rubber rings 116 are fixedly connected to both sides of the filter screen frame 115.
Through adopting the mode that the dust of screen frame 115 in to waste gas filters, can make laser emission head 82 and laser receiving head 83 more quick to the measuring of waste gas, avoid waste gas directly to lead to detecting data little and error through laser emission head 82 and laser receiving head 83 big.
Through adopting gear 104 to be in carry out the mode of work on the rack 105, can drive strainer rack 115 and carry out autogiration, can make the particulate matter impurity on strainer rack 115 pour out voluntarily, make strainer rack 115 can carry out self-cleaning, avoid remaining too much particulate matter impurity on the strainer rack 115 and influence the detection precision.
In some embodiments of the present invention, the gas pushing device 12 includes a pushing plate 121, the pushing plate 121 is slidably disposed at an opening structure of one side of the temporary storage top box 4 far away from the one-way valve 5, a second electric sliding rail 122 is fixedly connected at a position on the same side of the temporary storage top box 4, a pushing frame 123 is fixedly connected to a moving member of the second electric sliding rail 122, and the pushing frame 123 is connected to the pushing plate 121.
In some embodiments of the present invention, the opening and closing device 13 includes a main exhaust pipe 131, the main exhaust pipe 131 is fixedly connected to an opening structure near one side of the check valve 5 in the temporary storage top box 4, a backflow pipe 132 is fixedly connected to a position on the same side of the temporary storage top box 4, the backflow pipe 132 is connected to an external exhaust gas treatment pipe, the main exhaust pipe 131 is communicated with the outside, a third electric slide rail 133 is fixedly connected to a side wall on the same side of the temporary storage top box 4, a baffle 134 is fixedly connected to a moving member of the third electric slide rail 133, and the baffle 134 extends into the main exhaust pipe 131 and the backflow pipe 132.
Through adopting baffle 134 to switch total discharge pipe with opening and shutting of compound flow tube 132 can realize that waste gas is detecting the circulation route after accomplishing, avoids not being conform to emission standard's waste gas and is discharged, can make the waste gas that is not conform to emission standard get into compound flow tube 132 and reprocess, and will conform to emission standard's waste gas and directly discharge.
The working principle of the invention is as follows: when the particulate matter content of the chemical waste gas needs to be rapidly detected, an external waste gas pipe can be connected with the gas inlet device 6, at the moment, the gas inlet device 6 and the displacement device 9 can be started, the displacement device 9 can drive the rotating device 10 and the filtering device 11 to move leftwards, so that the filtering device 11 enters the detection camera bellows 2, the monitoring device 8 is started, at the moment, the gas inlet device 6 enables the external waste gas to enter the detection camera bellows 2, the waste gas enters the temporary storage top box 4 through the filtering device 11 and the one-way valve 5, and the particulate matter in the waste gas is remained in the filtering device 11, the monitoring device 8 rapidly monitors the particulate matter content in the filtering device 11, and leads the parameter out the outside, and the external personnel can analyze the parameter and determine whether the waste gas passing through the filtering device 11 can be discharged to the outside through analysis data, whether the waste gas in the temporary storage top box 4 is discharged to the outside or is input into a waste gas treatment chamber again for retreatment can be judged by starting and controlling the operation of the opening and closing device 13, meanwhile, the operation of the air inlet device 6 can be controlled, the air inlet device 6 guides the waste gas conveyed from the outside into the temporary storage bottom box 1, the operation of the displacement device 9 is controlled, the displacement device 9 drives the filter device 11 to move rightwards to withdraw from the detection dark box 2, the filter device 11 also rotates anticlockwise through the rotating device 10 in the process of moving rightwards, and the particulate matter impurities in the filter device 11 are poured out, so that the next detection cannot be influenced; after the impurities of the filtering device 11 are discharged, the displacement device 9 can be reset, so that the filtering device 11 is reset and enters the detection camera bellows 2 again, the air inlet device 6 can be controlled at the moment, the external waste gas enters the detection camera bellows 2, the re-conveying device 7 is started, and the waste gas in the temporary storage bottom box 1 of the re-conveying device 7 enters the detection camera bellows 2 through the air inlet device 6 again.
An external exhaust gas pipe can be connected with the total air inlet pipe 63, and then the electromagnetic valve 61 and the reversing valve 64 are started and controlled, so that the exhaust gas in the total air inlet pipe 63 enters the detection camera bellows 2, and the monitoring device 8 in the detection camera bellows 2 detects the exhaust gas; if the detection of the waste gas is required to be suspended, the electromagnetic valve 61 and the reversing valve 64 can be started and controlled, so that the waste gas passing through the main gas inlet pipe 63 enters the temporary storage bottom box 1 through the secondary gas inlet pipe 65; if the detection of the waste gas needs to be resumed, the electromagnetic valve 61, the reversing valve 64 and the transfer device 7 can be started again and controlled, so that the waste gas in the temporary storage bottom box 1 can enter the detection dark box 2 again through the transfer device 7 and the reversing valve 64.
If the detection of the waste gas needs to be resumed, the electromagnetic valve 61, the reversing valve 64 and the air pump 71 can be restarted and controlled, so that the waste gas in the temporary storage bottom box 1 can enter the detection dark box 2 again through the air pump 71 and the reversing valve 64.
The filter device 11 moves leftwards to enter the glass frame 81, particles are remained when exhaust gas passes through the filter device 11, the particles shield laser at the position emitted by the laser emitting head 82, light signals received by the laser receiving head 83 are weakened, the light signals received by the laser receiving head 83 are converted into electric signals to be output to the outside, and therefore outside personnel can judge the content of the particles in the exhaust gas according to the strength of the light current signals and determine whether the exhaust gas reaches the emission standard.
The first electric slide rail 92 can be started, and the first electric slide rail 92 drives the moving part thereof and the moving part of the moving pair 93 to move left and right, so as to drive the rotating device 10 and the filtering device 11 to move left and right; when the first electric slide rail 92 is controlled to move leftwards, the first electric slide rail 92 drives the filter device 11 to move leftwards into the glass frame 81; when the first electric slide rail 92 is controlled to move rightwards, the first electric slide rail 92 drives the filter device 11 to move rightwards, and the filter device 11 is rotated anticlockwise through the rotating device 10 in the process of moving rightwards, so that particulate matters and impurities in the filter device 11 are fallen down, and the filter device is automatically reset when the first electric slide rail 92 moves leftwards.
When the moving pair 93 of the moving member moves rightwards to enable the gear 104 to be matched with the rack 105, the gear 104 rotates anticlockwise on the rack 105, so that the gear 104 drives the damping rotating shaft 102 to rotate anticlockwise, and the damping rotating shaft 102 drives the rotating block 103 and the filtering device 11 to rotate anticlockwise; when the moving pair 93 of the moving member moves to the left, the gear 104 will rotate clockwise on the rack 105, so as to drive the filtering device 11 to rotate clockwise and reset, and when the gear 104 is disengaged from the rack 105, the damping rotating shaft 102 will not make the filtering device 11 rotate continuously.
When the moving pair 93 of the moving element moves leftwards, the mounting disc 111 moves leftwards, so that the filter screen frame 115 moves leftwards, the filter screen frame 115 drives the rubber ring 116 to move leftwards, the rubber ring 116 is tightly attached to the side wall of the glass frame 81, the rubber disc 112 is in contact with the right side edge of the detection camera bellows 2, exhaust gas enters the glass frame 81, passes through the filter screen frame 115, is retained on the filter screen frame 115, is discharged from the shunt pipe 113, and enters the temporary storage top box 4 for temporary storage through the one-way valve 5; when the moving pair 93 of the moving member moves rightwards, the moving member of the moving pair 93 drives the screen frame 115 to move rightwards, so that the screen frame 115 is withdrawn from the detection dark box 2, and when the gear 104 is matched with the rack 105, the gear 104 drives the screen frame 115 to rotate anticlockwise, so that particulate impurities in the screen frame 115 are poured out; the strainer tray 115 can also be removed from the cartridge 114 for careful cleaning.
The opening and closing device 13 can be started and controlled, then the second electric slide rail 122 is started, the second electric slide rail 122 pushes the push plate 121 to move leftwards, so that the push plate 121 moves leftwards to push the waste gas in the push plate to be discharged through the opening and closing device 13; when the waste gas in the temporary storage top box 4 is discharged, the second electric slide rail 122 can be controlled to reset, so that the push plate 121 is driven to reset.
The third electric slide rail 133 can be started, the movement state of the third electric slide rail 133 is controlled by detecting parameters of particulate matters in the exhaust gas, the third electric slide rail 133 drives the baffle 134 to move up and down, when the parameters of the exhaust gas are normal, the third electric slide rail 133 can be controlled to move down, the baffle 134 moves down to block the backflow pipe 132, the backflow pipe 132 is closed, the main exhaust pipe 131 is opened, and the exhaust gas is discharged from the main exhaust pipe 131 through the pushing action of the push plate 121; if the exhaust gas parameters are abnormal, the third electric slide rail 133 may be controlled to move upwards, so that the baffle 134 blocks the main exhaust pipe 131, and the backflow pipe 132 is opened, so that the exhaust gas is discharged to an external exhaust gas treatment chamber through the backflow pipe 132 for treatment.
In conclusion, through the cooperation of the air inlet device, the re-conveying device, the monitoring device, the displacement device, the rotating device, the filtering device, the air pushing device and the opening and closing device, the waste gas can be detected in the whole volume in the detection and discharge process, the detection precision is improved, and the surrounding environment is not damaged to some extent.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.