Collecting device for flue gas emission detection
Technical Field
The utility model relates to the technical field of flue gas collection equipment, in particular to a collection device for flue gas emission detection.
Background
At present, the emission of sulfur dioxide and carbon dioxide in China is in the first place and the second place in the world respectively. The main reason for serious pollution of the air quality is the energy structure mainly using fire coal, and 70% of the China power generation industry is fire coal power generation. The flue gas discharged by the coal-fired power plant contains smoke dust, carbon dioxide, sulfur dioxide, nitrogen oxides and a small amount of carbon monoxide, the smoke dust directly affects the environmental quality of the atmosphere, and the carbon dioxide, the sulfur dioxide, the nitrogen oxides and the like are all acid gases and are main factors for forming acid rain.
The utility model relates to a smoke collection sampling device for air emission detection, which comprises a sampling gun, wherein the sampling gun is provided with a sampling terminal and a sampling tube connected with the sampling terminal, the end part of the sampling tube, which is far away from the sampling terminal, is provided with a sampling joint, the outside of the sampling tube is sleeved with a heat tracing pipe, a supporting connection device is arranged between the sampling tube and the heat tracing pipe, the sampling tube and the heat tracing pipe are connected through the supporting connection device, one end of the heat tracing pipe is provided with a heat tracing inlet, the other end of the heat tracing pipe is provided with a heat tracing outlet, a recovery pipeline connected with the heat tracing outlet is arranged on the sampling terminal, and the sampling tube slides relative to the heat tracing pipe through the supporting connection device.
Above-mentioned technical scheme can't effectually get rid of the dust in the flue gas, leads to the jam of air intake sampling tube, increases staff later stage clean maintenance's work load, and a large amount of dust can influence the accuracy degree of testing result moreover, is unfavorable for the going on of flue gas detection work, consequently we need to propose a collection device for flue gas emission detection.
Disclosure of utility model
The utility model aims to provide a collecting device for detecting smoke emission, which is used for filtering gas entering a collecting bin when the collecting bin is used for collecting smoke, so that dust, large particle impurities and the like in the gas are filtered, the blocking of the inside of equipment is avoided, meanwhile, the adverse effect on a detection result is avoided, and the collecting device has high practical value, so that the problems in the background technology are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The collecting device for detecting the smoke emission comprises a collecting bin for storing the smoke, wherein an air inlet pipe is integrally formed at one end of the collecting bin, an air outlet pipe is integrally formed at the other end of the collecting bin, a detection port for penetrating into a detection instrument is integrally formed on the outer wall of one side of the collecting bin, and a plug is inserted in the detection port in a sealing manner;
The gas filter device is characterized by further comprising a filtering mechanism for filtering impurities in the collected gas, wherein the filtering mechanism comprises a filtering bin, a first filtering plate and a second filtering plate which are positioned in the inner cavity of the filtering bin, and the filtering bin is mounted at the end part of the gas inlet pipe in a threaded manner.
Preferably, the inner walls of the air inlet pipe and the air outlet pipe are respectively provided with a first internal thread, threaded sleeves are uniformly formed at the center positions of the two ends of the filter bin in a one-piece mode, and the threaded sleeves are matched with the first internal threads.
Preferably, the threaded sleeve on one side of the filter bin is provided with a connecting pipe in a threaded manner, the inner walls of the two ends of the connecting pipe are respectively provided with a second internal thread, and the second internal threads are matched with the threaded sleeve.
Preferably, the end thread of the connecting pipe is provided with a first sealing cover, the end thread of the air outlet pipe is provided with a second sealing cover, one sides of the first sealing cover and the second sealing cover are respectively provided with a thread convex column, the second sealing cover is in threaded connection with the air outlet pipe through the thread convex columns and the first internal threads of the inner wall of the air outlet pipe, and the first sealing cover is in threaded connection with the connecting pipe through the thread convex columns and the second internal threads of the inner wall of the connecting pipe.
Preferably, the first filter plate is a porous activated carbon plate, and the second filter plate is a HEPA efficient filter plate.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the collection bin is arranged, the air inlets and the air outlets are respectively arranged at the two ends of the collection bin, the detection ports are arranged on the collection bin, the filtering mechanism comprising the filtering bin, the first filtering plate and the second filtering plate is arranged on the air inlet, and gas entering the collection bin can be subjected to filtering treatment when the collection bin is used for collecting flue gas, so that dust, large particle impurities and the like in the gas can be filtered, the blocking of the interior of equipment is avoided, meanwhile, adverse effects on detection results can be avoided, and the device has high practical value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the collection bin of the present utility model;
fig. 3 is a schematic structural view of the filter cartridge of the present utility model.
The device comprises a collecting bin, a gas inlet pipe, a gas outlet pipe, a detecting port, a first sealing cover, a second sealing cover, a plug, a first internal thread, a threaded convex column, a filtering bin, a connecting pipe, a second internal thread, a threaded sleeve, a first filtering plate, a second filtering plate and a second filtering plate, wherein the collecting bin, the gas inlet pipe, the gas outlet pipe, the detecting port, the first sealing cover, the second sealing cover, the plug, the first internal thread, the threaded convex column, the filtering bin, the connecting pipe, the second internal thread, the filtering sleeve, the first filtering plate and the second filtering plate are arranged in sequence, and the first filtering plate and the second filtering plate are arranged in sequence.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution:
The collecting device for detecting the smoke emission comprises a collecting bin 1 for storing the smoke, wherein an air inlet pipe 2 is formed in one end of the collecting bin 1 in an integrated mode, an air outlet pipe 3 is formed in the other end of the collecting bin 1 in an integrated mode, a detecting opening 4 for penetrating into a detecting instrument is formed in the outer wall of one side of the collecting bin 1 in an integrated mode, a plug 7 is inserted in the detecting opening 4 in a sealing mode, the collecting device further comprises a filtering mechanism for filtering impurities of the collected gas, the filtering mechanism comprises a filtering bin 10, a first filtering plate 14 and a second filtering plate 15 which are located in the inner cavity of the filtering bin 10, and the filtering bin 10 is mounted at the end portion of the air inlet pipe 2 in a threaded mode. The first filter plate 14 is provided as a porous activated carbon plate and the second filter plate 15 is provided as a HEPA high efficiency filter plate.
According to the utility model, the collection bin 1 is arranged, the air inlets and the air outlets are respectively arranged at the two ends of the collection bin 1, the detection port 4 is arranged on the collection bin 1, the filtering mechanism comprising the filtering bin 10, the first filtering plate 14 and the second filtering plate 15 is arranged on the air inlet, and when the collection bin 1 is used for collecting flue gas, the gas entering the collection bin 1 can be subjected to filtering treatment, so that dust, large-particle impurities and the like in the gas can be filtered, the blocking of the interior of equipment is avoided, meanwhile, the adverse effect on the detection result can be avoided, and the high practical value is realized.
When in actual use, the equipment is placed at a designated position, the first sealing cover 5 is opened, flue gas is connected into the pipeline, the flue gas enters the filter bin 10 firstly in the process of collecting the bin 1, dust, large particle impurities and the like in the gas are filtered through the first filter plate 14 and the second filter plate 15 inside the filter bin 10, the filtered gas enters the collecting bin 1 through the air inlet, so that the dust impurities are prevented from entering the collecting bin 1 and are attached to the inner wall of the collecting bin 1, the accuracy of flue gas detection can be effectively improved on one hand, the workload is reduced for cleaning the inner part of later-stage equipment, and workers can detect the flue gas in the collecting bin 1 by detecting the detection instrument through the detection port 4 and read the data on the detection instrument.
The inner walls of the air inlet pipe 2 and the air outlet pipe 3 are provided with first internal threads 8, the center positions of the two ends of the filter bin 10 are integrally formed with threaded sleeves 13, and the threaded sleeves 13 are matched with the first internal threads 8. The threaded sleeve 13 on one side of the filter bin 10 is provided with a connecting pipe 11 in a threaded manner, the inner walls of the two ends of the connecting pipe 11 are provided with second internal threads 12, and the second internal threads 12 are matched with the threaded sleeve 13. The first sealed lid 5 is installed to the tip screw thread of connecting pipe 11, and the second sealed lid 6 is installed to the tip screw thread of outlet duct 3, and one side of first sealed lid 5 and second sealed lid 6 all is provided with screw thread projection 9, and the first internal thread 8 threaded connection of second sealed lid 6 through screw thread projection 9 and outlet duct 3 inner wall is in outlet duct 3, and the second internal thread 12 threaded connection of first sealed lid 5 through screw thread projection 9 and connecting pipe 11 inner wall is in connecting pipe 11.
Through screw thread installation filter house 10 on intake pipe 2, filter house 10 both ends set up screw thread sleeve 13, and filter house 10 passes through screw thread sleeve 13 and connects intake pipe 2 and connecting pipe 11 respectively, and screw thread installation first sealed lid 5 on the connecting pipe 11, screw thread installation second sealed lid 6 on outlet duct 3 for this simple structure, the combination of being convenient for can carry out quick convenient installation to each part and use, also can dismantle the maintenance after using the completion, has further improved the convenience of equipment.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.