A real-time detection device for incinerator exhaust gas

Abstract

The present invention provides a real-time detection device for working exhaust gas from an incinerator, comprising an exhaust pipe, wherein a rotating collection mechanism is provided in the exhaust pipe, wherein the rotating collection mechanism comprises a first rotating drum rotatably arranged in the exhaust pipe, and two second rotating drums are provided on the inner side, and the radii of the first rotating drum and the two second rotating drums decrease in equivalence in sequence. The corresponding position of the exhaust pipe is divided into three layers of space by the first / second rotating drum in the rotating collection mechanism, and the rotation speed of the three rotating drums increases accordingly with the increase of the radius, so that the suction head on the rotation continues to perform circular motion in the corresponding divided space, and the gas flowing through the corresponding spatial area is sucked and collected, and then the gas in each spatial area is gathered for detection, so that accurate detection of harmful substances in the exhaust gas can be obtained, and the amount of harmful substances can be accurately determined, thereby avoiding the limitations of the fixed installation method of the probe in the exhaust pipe and improving the accuracy and reliability of the detection results.

Description

Technical Field

[0001] The present invention relates to detection-related fields, and in particular to a real-time detection device for incinerator exhaust gas. Background Art

[0002] Incinerator is a harmless treatment equipment commonly used in the harmless treatment of medical and domestic waste and animals. Its principle is to use the combustion of fuels such as coal, oil, and gas to burn and carbonize the objects to be treated at high temperature to achieve the purpose of disinfection. The harmful substances from the fuel or the incinerated objects will be discharged with the exhaust gas generated by the combustion. The exhaust gas needs to be treated in a targeted manner. Therefore, the exhaust gas is generally detected in real time by a gas detection instrument. The exhaust gas detection mechanism in the general pipeline is only detected by a probe fixed inside the pipeline or through a suction pipe. The exhaust gas in the pipeline When the flow rate is small, the exhaust gas in the rising process is likely to gather outside the range of the probe or suction tube during the rising process, resulting in inaccurate exhaust gas detection structure, or the use of a diversion branch pipe for sampling and detection, such as a linkage exhaust gas sampling structure for combustion exhaust gas detection in the prior art (CN202010283889.4). This diversion branch pipe sampling method requires changes to the flow direction and flow rate of the exhaust gas in order to ensure the accuracy of the sampling and detection results, which seriously affects the exhaust gas emission efficiency. In order to improve the emission efficiency, it is obviously impossible to perform continuous real-time detection, and only intermittent detection is performed. Summary of the Invention

[0003] The purpose of the present invention is to provide a real-time detection device for incinerator exhaust gas to solve the above problems.

[0004] The exhaust gas fan of the present invention is connected with the exhaust gas fan of the present invention, and the exhaust gas fan of the present invention is connected with the exhaust gas fan of the present invention to the exhaust gas reversal device. The transmission mechanism that this second guide wheel is in step with the first guide wheel is located in the engine room and the second guide wheel is in step with the first guide wheel.

[0005] Preferably, the one-way valve assembly includes a connecting pipe fixed and connected between the detection box and the exhaust pipe, a valve block is fixed in the connecting pipe, a funnel cavity is passed through the valve block, a fixing plate is fixed at one end of the funnel cavity away from the detection box, a ball valve is provided in the funnel cavity, and a spring is fixedly connected between the fixing plate and the ball valve.

[0006] Preferably, the rotating connection mechanism includes two through tubes and a cylindrical block provided at the end of the suction tube, and the suction tube, the through tube and the cylindrical block are fixedly connected by a second connecting rod in an annular array, and a rotating tube member is rotatably provided between the two components at each location where the second connecting rod is located, and a rotating tube is passed through and fixedly provided on the side wall of the rotating tube member, and the lengths of the three rotating tubes increase from low to high, and a connecting tube is fixedly connected between the end of the rotating tube and the suction head at the corresponding radial position.

[0007] In summary, the present invention has the following beneficial effects: the corresponding position of the exhaust pipe is divided into three layers of space by rotating the first / second rotating drum in the collection mechanism, and the rotation speed of the three rotating drums increases accordingly with the increase of the radius, so that the rotating suction head continues to perform circular motion in the corresponding divided space, and the gas flowing through the corresponding spatial area is sucked and collected, and then the gas in each spatial area is gathered for detection, so that accurate detection of harmful substances in the exhaust gas can be obtained, and the amount of harmful substances can be accurately determined, avoiding the limitations of the fixed installation method of the probe in the exhaust pipe, improving the accuracy and reliability of the detection results, and will not affect the normal emission treatment of the exhaust gas at all, avoiding affecting the exhaust gas emission efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0009] Figure 1 It is a schematic structural diagram of an embodiment of the present invention;

[0010] Figure 2 This is an embodiment of the present invention Figure 1 Cross-sectional structural diagram in the “AA” direction;

[0011] Figure 3 This is an embodiment of the present invention Figure 1 An enlarged schematic diagram of the "B" in the figure;

[0012] Figure 4 This is an embodiment of the present invention Figure 1 An enlarged schematic diagram of the "C" in the middle;

[0013] Figure 5 This is an embodiment of the present invention Figure 1 An enlarged schematic diagram of the point "D" in the middle;

[0014] Figure 6 This is an embodiment of the present invention Figure 3Cross-sectional structural diagram in the “EE” direction;

[0015] Figure 7 It is a structural schematic diagram of the rotary collection mechanism and the rotary connection mechanism according to an embodiment of the present invention.

[0016] In the figure: 11. exhaust pipe; 12. first rotating drum; 13. second rotating drum; 14. rotating ring; 15. first connecting rod; 16. fixed rod; 17. suction head; 18. support rod; 19. motor mounting block; 20. motor; 21. first rotating shaft; 22. friction wheel; 23.; 24. second rotating shaft; 25. first pulley; 26. second pulley; 27. transmission belt; 28. detection box; 29. ​​suction pipe; 30. suction pump; 31. gas detector; 32. through pipe; 33. cylindrical block; 34. second connecting rod; 35. rotating pipe; 36. rotating pipe; 37. connecting pipe; 38. connecting pipe; 39. valve block; 40. funnel chamber; 41. fixing plate; 42. spring; 43. ball valve. DETAILED DESCRIPTION

[0017] Combined with attachment Figure 1-Figure 7The real-time detection device for the working exhaust gas of an incinerator comprises an exhaust pipe 11, wherein a rotating collection mechanism is provided in the exhaust pipe 11, wherein the rotating collection mechanism comprises a first rotating drum 12 which is rotatably arranged in the exhaust pipe 11, wherein two second rotating drums 13 are provided inside the first rotating drum 12, wherein the radii of the first rotating drum 12 and the two second rotating drums 13 are successively and equidistantly decreased, and a rotating ring 14 is embedded in the outer circumferential end faces of the two second rotating drums 13, wherein a first connecting rod 15 is fixedly provided at an equal distance on the rotating ring 14, and an end of the first connecting rod 15 away from the rotating ring 14 is connected to the first connecting rod 15. The inner wall of the circumference of one drum 12 or the second drum 13 is fixed, and a fixing rod 16 is fixed to the inner wall of each of the first drum 12 and the two second drums 13. A suction head 17 is fixed to the end of the fixing rod 16. A driving mechanism is provided on the bottom side of the first drum 12 and the second drum 13. The driving mechanism includes a support rod 18 fixed to the inner wall of the exhaust pipe 11 and located on the bottom side of the first drum 12. A motor mounting block 19 is fixed to the end of the support rod 18. A motor 20 is fixed in the motor mounting block 19. The first drum 12 and the second drum 13 are fixed to the inner wall of the exhaust pipe 11 and the bottom side of the first drum 12. A friction wheel 22 is provided on the inner side of the rotating drum 13. The friction wheel 22 in the innermost second rotating drum 13 is fixedly connected to the motor shaft of the motor 20. The bottom ends of the other two friction wheels 22 are fixedly provided with a second rotating shaft 24. The second rotating shaft 24 is rotatably connected to the support rod 18. A first pulley 25 is fixed on the second rotating shaft 24. The height positions of the two first pulleys 25 are staggered. A second pulley 26 is fixed on the first rotating shaft 21 and on the second rotating shaft 24 on the side close to the first rotating shaft 21. The height positions of the second pulleys 26 correspond to one The first pulley 25 is provided, and a transmission belt 27 is wound between the first pulley 25 and the second pulley 26 at the same height. A detection box 28 is fixedly provided on the outside of the exhaust pipe 11, and a suction pipe 29 is fixedly provided on the inner wall of the exhaust pipe 11. A suction pump 30 is fixedly provided in the detection box 28, and the suction pipe 29 is fixedly connected to the suction port of the suction pump 30. A gas detector 31 is provided in the detection box 28, and a one-way valve assembly is provided between the detection box 28 and the exhaust pipe 11. The suction pipe 29 is connected to all the suction heads 17 through a rotating connection mechanism.

[0018] Advantageously, the radius of the second pulley 26 is greater than twice the radius of the first pulley 25 .

[0019] Advantageously, the one-way valve assembly includes a connecting pipe 38 fixed and connected between the detection box 28 and the exhaust pipe 11, a valve block 39 is fixedly provided in the connecting pipe 38, a funnel cavity 40 is passed through the valve block 39, a fixing plate 41 is fixedly provided at one end of the funnel cavity 40 away from the detection box 28, a ball valve 43 is provided in the funnel cavity 40, and a spring 42 is fixedly connected between the fixing plate 41 and the ball valve 43.

[0020] Advantageously, the rotary connection mechanism includes two through tubes 32 and a cylindrical block 33 provided at the end of the suction tube 29. The suction tube 29, the through tube 32 and the cylindrical block 33 are fixedly connected by a second connecting rod 34 in an annular array. A rotating tube member 35 is rotatably provided between the two components at each location where the second connecting rod 34 is located. A rotating tube 36 is fixedly provided through the side wall of the rotating tube member 35. The lengths of the three rotating tubes 36 increase from low to high. A connecting tube 37 is fixedly connected between the end of the rotating tube 36 and the suction head 17 at the corresponding radial position.

[0021] Advantageously, the bottommost rotating tube 36 corresponds to the suction head 17 connected to the innermost second rotating drum 13 , and the topmost rotating tube 36 corresponds to the suction head 17 connected to the first rotating drum 12 .

[0022] In the initial state: the spring 42 is always in a compressed state, the ball valve 43 is tightly against the inner wall of the funnel cavity 40, and the funnel cavity 40 is closed. When exhaust gas is discharged, the motor 20 and the suction pump 30 are both in operation.

[0023] When in use, the motor mounting block 19 is located on the exhaust gas inlet side of the exhaust pipe 11 .

[0024] During operation, when the exhaust gas passes through the first rotating drum 12 and the second rotating drum 13, the first rotating drum 12 and the second rotating drum 13 divide their positions into three layers of space, and the motor 20 drives the first rotating shaft 21 to rotate, so that the friction wheel 22 and the second pulley 26 connected to the first rotating shaft 21 rotate, and the second pulley 26 on the first rotating shaft 21 drives the second rotating shaft 24 and the first pulley 25 on the side close to the motor mounting block 19 to rotate through the transmission belt 27, so that the second pulley 26 on the second rotating shaft 24 rotates, and drives the second rotating shaft 24 and the first pulley 25 away from the side of the motor mounting block 19 to rotate through the transmission belt 27, so that the three friction wheels 22 rotate together with the first rotating shaft 21 or the second rotating shaft 24, and the friction wheel 22 drives the first rotating drum 12 or the second rotating drum 13 in contact therewith to rotate. Since the radius of the second pulley 26 is greater than twice the radius of the first pulley 25, the innermost second rotating drum 13 and the middle position The rotation speeds of the second drum 13 and the first drum 12 increase successively, and the fixed rod 16 and the suction head 17 rotate with the first drum 12 or the second drum 13, and the connecting pipe 37, the rotating pipe 36 and the rotating pipe part 35 connected thereto rotate accordingly. The running suction pump 30 sucks through the three suction heads 17 at different spatial positions, and sucks the gas at the corresponding spatial positions into the detection box 28. The rotating first drum 12 and the second drum 13 enable the rotating suction head 17 to suck the gas at each spatial position in the first drum 12 and the second drum 13 for suction. The gas detector 31 performs real-time detection of harmful substances on the collected gas to improve the reliability of the detection results, avoiding the limitation factor of the limited detection area range of the gas detector 31 being directly fixedly installed in the exhaust pipe 11, and will not affect the normal emission treatment of the exhaust gas at all, avoiding affecting the exhaust gas emission efficiency.

[0025] After the gas detector 31 detects the sucked-in gas, the gas is discharged back into the exhaust pipe 11 through the connecting pipe 38. The thrust of the gas flow compresses the spring 42, so that the gas enters the exhaust pipe 11, and the one-way valve assembly is used to prevent the exhaust gas from flowing back into the detection box 28.

[0026] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those skilled in the art to understand and implement the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made in accordance with the spirit of the present invention are intended to be covered by the scope of protection of the present invention.

Claims

1. A real-time detection device for incinerator exhaust gas, comprising an exhaust pipe, characterized in that: The exhaust pipe is provided with a rotating collection mechanism, and the rotating collection mechanism includes a first drum rotatably arranged in the exhaust pipe, and the first drum is provided with two second drums inside the first drum, and the radii of the first drum and the two second drums decrease in sequence. A rotating ring is embedded in the outer circumferential end faces of the two second drums and rotated. A first connecting rod is fixedly provided with an end of the first connecting rod away from the rotating ring and is fixed to the circumferential inner wall of the first drum or the second drum. A fixing rod is fixedly provided at the end of the fixing rod, and a suction head is fixedly provided on the bottom side of the first drum and the second drum. A driving mechanism is provided on the bottom side of the first drum and the second drum, and the driving mechanism includes a support rod fixedly arranged on the inner wall of the exhaust pipe and located at the bottom side of the first drum The transmission mechanism that this second guide wheel is in is fixed with the cam, and this second guide wheel is installed in the camshaft at the top, and this second guide wheel is installed in the camshaft at the bottom.

2. The real-time detection device for incinerator exhaust gas according to claim 1, characterized in that: The radius of the second pulley is greater than twice the radius of the first pulley.

3. The real-time detection device for incinerator exhaust gas according to claim 1, characterized in that: The one-way valve assembly includes a connecting pipe fixed and connected between the detection box and the exhaust pipe, a valve block is fixed in the connecting pipe, a funnel cavity is passed through the valve block, a fixing plate is fixed at one end of the funnel cavity away from the detection box, a ball valve is provided in the funnel cavity, and a spring is fixedly connected between the fixing plate and the ball valve.

4. The real-time detection device for incinerator exhaust gas according to claim 1, characterized in that: The rotary connection mechanism includes two through-tubes and a cylindrical block provided at the end of the suction pipe. The suction pipe, the through-tube and the cylindrical block are fixedly connected via a second connecting rod in an annular array.

5. The real-time detection device for incinerator exhaust gas according to claim 4, characterized in that: A rotating tube is rotatably provided between the two components at each location where the second connecting rod is located, and a rotating tube is passed through and fixedly provided on the side wall of the rotating tube.

6. The real-time detection device for incinerator exhaust gas according to claim 5, characterized in that: The lengths of the three rotating tubes increase sequentially from low to high.

7. The real-time detection device for incinerator exhaust gas according to claim 5, characterized in that: A connecting pipe is fixedly connected between the end of the rotating tube and the suction head at the corresponding radial position.

8. The real-time detection device for incinerator exhaust gas according to claim 5, characterized in that: The rotating tube at the bottom corresponds to the suction head connected to the innermost second rotating drum, and the rotating tube at the top corresponds to the suction head connected to the first rotating drum.

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