CN114371042A - Emission multipoint detection sampling device and sampling method for waste gas treatment - Google Patents
Emission multipoint detection sampling device and sampling method for waste gas treatment Download PDFInfo
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- CN114371042A CN114371042A CN202210053149.0A CN202210053149A CN114371042A CN 114371042 A CN114371042 A CN 114371042A CN 202210053149 A CN202210053149 A CN 202210053149A CN 114371042 A CN114371042 A CN 114371042A
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
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Abstract
The invention discloses a multipoint detection sampling device and a multipoint detection sampling method for emission in the technical field of waste gas treatment, and the multipoint detection sampling device comprises a waste gas treatment tank, wherein a positioning component is arranged at the sampling part of the waste gas treatment tank, a sampling component is movably inserted in the positioning component, a sealing component is arranged between the outer side of the positioning component and the sampling component, a drilling machine clamping seat is fixedly arranged at one end of the sampling component, which is far away from the waste gas treatment tank, and a drilling component is fixedly arranged at one end of the sampling component, which is far away from the drilling machine clamping seat; through setting up locating component, fix a position waste gas treatment jar sample position to effectively promote the stability of sampling component, thereby promote the stability when follow-up sampling component waste gas samples.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a multi-point detection sampling device and a sampling method for emission for waste gas treatment.
Background
The waste gas treatment is usually carried out by using a waste gas treatment tank, the waste gas is discharged after being treated and qualified through waste gas detection, a sampling device is required to sample when the waste gas is detected, and a sampling gun is generally adopted to sample;
the existing sampling mode is generally that a sampling hole is formed in a waste gas treatment tank, a sampling rod of a sampling gun is placed in the sampling hole for sampling, the sampling mode can only sample waste gas at a single point, multi-point sampling of waste gas in the waste gas treatment tank is difficult, the sampling range is small, the sample amount is small, the detection precision is low, and the detection effect is not ideal;
based on the above, the present invention provides a multi-point detection sampling device and a sampling method for exhaust emission for exhaust gas treatment, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a multipoint detection sampling device and a multipoint detection sampling method for emission for waste gas treatment, which are used for solving the problems that the waste gas can be sampled only at a single point, the waste gas in a waste gas treatment tank is difficult to be sampled at multiple points, the sampling range is small, the sample amount is small, the detection precision is low and the detection effect is not ideal in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a discharge that exhaust-gas treatment used is with multiple spot detection sampling device, includes the exhaust-gas treatment jar, exhaust-gas treatment jar sample position department is equipped with locating component, the activity is inserted in the locating component and is equipped with sampling component, be equipped with seal assembly between the locating component outside and the sampling component, the one end fixed mounting that exhaust-gas treatment jar was kept away from to sampling component has the rig cassette, the one end fixed mounting that drilling cassette was kept away from to sampling component has drilling assembly.
As a further scheme of the invention, the positioning assembly comprises a positioning frame, two symmetrically distributed clamping seats are fixedly installed on the outer side of the positioning frame, a fixing band is arranged between the two clamping seats, the fixing band is movably sleeved on the outer side of the exhaust gas treatment tank, an arc-shaped sealing gasket is fixedly installed on one side of the positioning frame close to the exhaust gas treatment tank, one side of the arc-shaped sealing gasket, far away from the positioning frame, is in close contact with the outer wall of the exhaust gas treatment tank, fixing seats are fixedly installed at the top end and the bottom end of the positioning frame, fixing bolts are inserted into the fixing seats in threaded manner, the fixing bolts are clamped on the exhaust gas treatment tank in threaded manner, and sampling penetrating grooves matched with the sampling assembly are formed in the outer wall of the exhaust gas treatment tank, the positioning frame and the middle parts of the arc-shaped sealing gasket.
As a further scheme of the invention, the sampling assembly comprises a middle rod, one end of the middle rod is integrally formed with a plug, one end of the middle rod, which is far away from the plug, is integrally formed with a sampling head, the cross sections of the plug and the sampling head are regular octagonal structures, the periphery of the outer wall of the plug is provided with a first slot and a second slot, the outer wall of the plug between two adjacent first slots is provided with a third slot, the outer wall of the sampling head is provided with a first sampling slot, a second sampling slot and a third sampling slot which are respectively corresponding to the first slot, the second slot and the third slot, the middle rod is provided with a through slot which is correspondingly communicated with the first slot and the first sampling slot, the second slot and the second sampling slot and the third sampling slot, and a first sampling pipe is movably inserted in the first slot, the through slot and the first sampling slot, the utility model discloses a plug, including first sampling tube, second sampling tube, third sampling tube, plug, first sampling tube, second sampling tube and third sampling tube, the activity is inserted and is equipped with the second sampling tube in second slot, logical groove and the second sampling groove, the activity is inserted and is equipped with the third sampling tube in third slot, logical groove and the third sampling groove, the plug is passed to one side that first sampling tube, second sampling tube and third sampling tube are close to the plug, the equal fixed mounting in one end that first sampling tube, second sampling tube and third sampling tube are close to the plug has a sample mouth.
As a further scheme of the invention, one side of the first sampling tube, one side of the second sampling tube and one side of the third sampling tube, which are close to the sampling head, penetrate through the sampling head, one ends of the first sampling tube, the second sampling tube and the third sampling tube, which are close to the sampling head, are respectively and rotatably provided with a sealing sleeve, the outer walls of the sampling heads at the ports of the first sampling groove, the second sampling groove and the third sampling groove are respectively and fixedly provided with a connecting ring which is matched with the sealing sleeve for use, the sealing sleeve is in threaded connection with the outer side of the corresponding connecting ring, a first sealing washer is arranged between the sealing sleeve and the end part of the connecting ring, the middle part of the sealing sleeve is respectively and fixedly clamped with a gas control valve, and one side of the gas control valve, which is far away from the sealing sleeve, is fixedly provided with a joint.
As a further scheme of the present invention, the first slot is located inside the second slot, a 135-degree structure is set on one side of the first slot away from the through slot, a 45-degree structure is set on one side of the second slot away from the through slot, and a 90-degree structure is set on one side of the third slot away from the through slot.
As a further scheme of the invention, the sealing assembly comprises a threaded pipe and a rotary ring, the threaded pipe is fixedly arranged on the outer wall of the positioning frame at the position close to the sampling through groove, the rotary ring is fixedly sleeved on the outer wall of the middle rod at the side close to the sampling head, an internal thread sleeve is rotatably sleeved on the outer side of the rotary ring, the internal thread sleeve is in threaded sleeve connection with the outer side of the threaded pipe, and a second sealing gasket is arranged between the internal thread sleeve and the end part of the threaded pipe.
As a further scheme of the invention, the drilling machine clamping seat is fixedly arranged at one end of the sampling head far away from the middle rod.
As a further scheme of the invention, the drilling assembly comprises a drill bit and a connecting seat, the connecting seat is fixedly arranged at one end, far away from the middle rod, of the plug, a cross chuck is fixedly connected to the middle of one side, close to the drill bit, of the connecting seat, and the cross chuck is movably clamped in the drill bit and fixedly arranged through a bolt.
As a further aspect of the invention, the central rod, plug and drilling assembly extend through the sampling through-slot into the exhaust treatment canister.
A multi-point detection sampling method for emission used for exhaust gas treatment comprises the following steps:
step one, a handheld positioning frame is attached to a sampling part on the outer wall of the waste gas treatment tank, a sampling through groove of the positioning frame corresponds to the sampling part, an arc-shaped sealing gasket is arranged between the positioning frame and the waste gas treatment tank, then the positioning frame is positioned and installed on the outer wall of the waste gas treatment tank by using a fixing belt and a belt clamping seat, and the positioning frame and the waste gas treatment tank are fixed through a fixing bolt;
step two, inserting a middle rod with a drilling assembly and a plug into a sampling through groove of a positioning frame, then installing the drilling machine clamping seat and a driving end of a drilling machine, starting the drilling machine to drive the drilling machine clamping seat, the sampling assembly and the drilling assembly to rotate, so that the sampling through groove is drilled at a sampling position positioned by the waste gas treatment tank through a drill bit, then, penetrating the middle rod, the plug and the drilling assembly through the sampling through groove and extending into the waste gas treatment tank until an internal thread sleeve is sleeved outside a threaded pipe in a threaded manner, and sealing the port of the sampling through groove in the sampling assembly and the positioning frame through a second sealing washer to prevent waste gas from leaking during waste gas sampling;
step three, respectively extending the first sampling pipe, the second sampling pipe and the third sampling pipe into the waste gas treatment tank through corresponding first sampling grooves, the second sampling grooves, the third sampling grooves, the first slots, the second slots and the third slots until the sealing sleeve is in threaded connection with the outer sides of the corresponding connecting rings, at the moment, because one side of the first slots, which is far away from the through grooves, is set to be a 135-degree angle structure, one side of the second slots, which is far away from the through grooves, is set to be a 45-degree angle structure, one side of the third slots, which is far away from the through grooves, is set to be a 90-degree angle structure, one side of the first sampling pipe, which is far away from the through grooves, is the 135-degree angle structure, one side of the second sampling pipe, which is far away from the through grooves, is the 45-degree angle structure, and one side of the third sampling pipe, which is far away from the through grooves, is the 90-degree angle structure;
and step four, connecting the joint with the input end of the waste gas sample storage machine, and pumping the waste gas at different positions out through the sampling nozzle and the corresponding first sampling pipe, second sampling pipe and third sampling pipe for subsequent detection by opening the waste gas sample storage machine and the corresponding gas control valve.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up sampling assembly, use a plurality of first sampling tubes, second sampling tube and third sampling tube to carry out the multiple spot sample of four sides to the waste gas in the exhaust-gas treatment jar to the effect of device to the waste gas sample has been promoted.
2. Through setting up locating component, fix a position waste gas treatment jar sample position to effectively promote the stability of sampling component, thereby promote the stability when follow-up sampling component waste gas samples.
3. Through setting up seal assembly, the seal of cross groove port department is worn in sampling assembly and the locating frame sampling, when preventing the waste gas sample, the leakage appears in waste gas, has further promoted whole device's result of use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structural connection of the present invention;
FIG. 3 is a schematic view of the structural connection between the canister and the positioning assembly of the present invention;
FIG. 4 is a schematic view of a sampling assembly according to the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view taken at B of FIG. 4 in accordance with the present invention;
FIG. 7 is a schematic view of the structural connection of the sampling assembly and the drilling assembly of the present invention;
FIG. 8 is an enlarged view taken at C of FIG. 7 in accordance with the present invention;
FIG. 9 is an enlarged view taken at D of FIG. 7 in accordance with the present invention;
FIG. 10 is a schematic view of the structural connection of the positioning assembly and the sampling assembly and the sealing assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a waste gas treatment tank; 2. a positioning assembly; 3. a sampling assembly; 4. a seal assembly; 5. a drill chuck; 6. a drilling assembly; 21. a positioning frame; 22. a belt clamping seat; 23. fixing belts; 24. a fixed seat; 241. fixing the bolt; 25. an arc-shaped sealing gasket; 101. sampling and penetrating through the groove; 31. a middle rod; 311. a through groove; 32. a plug; 321. a first slot; 322. a second slot; 323. a third slot; 33. a sampling head; 331. a first sampling tank; 332. a second sampling tank; 333. a third sampling tank; 34. a first sampling tube; 35. a second sampling tube; 36. a third sampling tube; 37. a sealing sleeve; 371. a connecting ring; 372. a first sealing gasket; 38. an air control valve; 381. a joint; 39. a sampling nozzle; 41. a threaded pipe; 42. rotating the ring; 43. an internally threaded sleeve; 44. a second sealing gasket; 61. a drill bit; 62. a connecting seat; 621. a cross chuck.
Detailed Description
Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a discharge of exhaust-gas treatment usefulness is with multiple spot detection sampling device, including exhaust-gas treatment jar 1, use exhaust-gas treatment jar 1 to be used for exhaust-gas treatment, 1 sample site department of exhaust-gas treatment jar is equipped with locating component 2, locating component 2 is well movable to be inserted and is equipped with sampling component 3, be equipped with seal assembly 4 between the 2 outside of locating component and the sampling component 3, sampling component 3 keeps away from the one end fixed mounting of exhaust-gas treatment jar 1 has rig cassette 5, sampling component 3 keeps away from the one end fixed mounting of rig cassette 5 has drilling subassembly 6.
The positioning component 2 comprises a positioning frame 21, two belt clamping seats 22 which are symmetrically distributed are fixedly arranged on the outer side of the positioning frame 21, a fixing belt 23 which is matched with the two belt clamping seats 22 for use is arranged between the two belt clamping seats 22, the fixing belt 23 is movably sleeved on the outer side of the waste gas treatment tank 1, the fixing belt 23 and the belt clamping seats 22 are used for positioning and mounting the waste gas treatment tank 1 and the positioning frame 21, fixing seats 24 are fixedly arranged at the top end and the bottom end of the positioning frame 21, fixing bolts 241 are inserted in the fixing seats 24 through threads, the fixing bolts 241 are in threaded connection with the waste gas treatment tank 1 to fix the positioning frame 21 and the waste gas treatment tank 1, so that the stability of the sampling component 3 is improved, the stability of the subsequent sampling component 3 during waste gas sampling is improved, an arc-shaped sealing gasket 25 is fixedly arranged on one side of the positioning frame 21 close to the waste gas treatment tank 1, one side of the arc-shaped sealing gasket 25 far away from the positioning frame 21 is in close contact with the outer wall of the waste gas treatment tank 1, carry out the sealed between the outer wall of locating frame 21 and exhaust-gas treatment jar 1, when preventing the 3 waste gas samples of follow-up sampling subassembly, waste gas appears leaking to promoted the result of use of whole device, all offered in the middle part of the outer wall of exhaust-gas treatment jar 1, locating frame 21 and the sealed pad 25 of arc-shaped and worn groove 101 with the sample of the cooperation use of sampling subassembly 3, the sample is worn groove 101 and 1 sample position of exhaust-gas treatment jar corresponds.
The sampling assembly 3 comprises a middle rod 31, a plug 32 is integrally formed at one end of the middle rod 31, a sampling head 33 is integrally formed at one end of the middle rod 31, which is far away from the plug 32, the cross sections of the plug 32 and the sampling head 33 are regular octagonal structures, first slots 321 and second slots 322 are respectively formed on the periphery of the outer wall of the plug 32, third slots 323 are respectively formed on the outer wall of the plug 32 between every two adjacent first slots 321, wherein the first slots 321 are positioned at the inner sides of the second slots 322;
the outer wall of the sampling head 33 is provided with a first sampling groove 331, a second sampling groove 332 and a third sampling groove 333 which correspond to the first slot 321, the second slot 322 and the third slot 323 respectively, and the middle rod 31 is provided with a through groove 311 which is correspondingly communicated with the first slot 321, the first sampling groove 331, the second slot 322, the second sampling groove 332, the third slot 323 and the third sampling groove 333;
one side of the first slot 321, which is far away from the through slot 311, is set to be a 135-degree structure, one side of the second slot 322, which is far away from the through slot 311, is set to be a 45-degree structure, and one side of the third slot 323, which is far away from the through slot 311, is set to be a 90-degree structure;
the first sampling pipe 34 is movably inserted in the first slot 321, the through slot 311 and the first sampling slot 331, and because the side of the first slot 321 away from the through slot 311 is set to be 135-degree structure, the side of the first sampling pipe 34 away from the through slot 311 is set to be 135-degree structure;
a second sampling pipe 35 is movably inserted into the second slot 322, the through slot 311 and the second sampling slot 332, because a 45-degree angle structure is arranged on one side of the second slot 322 far away from the through slot 311, and a 45-degree angle structure is arranged on one side of the second sampling pipe 35 far away from the through slot 311;
a third sampling pipe 36 is movably inserted into the third slot 323, the through slot 311 and the third sampling slot 333, and because a 90-degree angle structure is arranged at one side of the third slot 323 away from the through slot 311, and a 90-degree angle structure is arranged at one side of the third sampling pipe 36 away from the through slot 311;
wherein, the first sampling tube 34, the second sampling tube 35 and the third sampling tube 36 are all shaped corrugated tubes;
One side of the first sampling tube 34, the second sampling tube 35 and the third sampling tube 36 close to the sampling head 33 passes through the sampling head 33, one end of the first sampling tube 34, the second sampling tube 35 and the third sampling tube 36 close to the sampling head 33 is respectively and rotatably provided with a sealing sleeve 37, the outer walls of the sampling heads 33 at the ports of the first sampling groove 331, the second sampling groove 332 and the third sampling groove 333 are respectively and fixedly provided with a connecting ring 371 matched with the sealing sleeve 37 for use, the sealing sleeve 37 is in threaded connection with the outer side corresponding to the connecting ring 371, a first sealing gasket 372 is arranged between the sealing sleeve 37 and the end part of the connecting ring 371, the middle part of the sealing sleeve 37 is respectively and fixedly provided with a control valve 38, the control valve 38 is in sealed connection with the ports corresponding to the first sampling tube 34, the second sampling tube 35 and the third sampling tube 36 by arranging the first sealing gasket 372 and the sealing sleeve 37, and the leakage of the waste gas is prevented when the waste gas is sampled, the use effect of the whole device is further improved, and a connector 381 is fixedly installed on one side of the air control valve 38 far away from the sealing sleeve 37, wherein the connector 381 is connected with the input end of the waste gas sample storage machine, so that waste gas at different positions can be extracted.
The drilling assembly 6 comprises a drill bit 61 and a connecting seat 62, the connecting seat 62 is fixedly arranged at one end of the plug 32 far away from the middle rod 31, a cross chuck 621 is fixedly connected to the middle of one side of the connecting seat 62 close to the drill bit 61, and the cross chuck 621 is movably clamped in the drill bit 61 and fixedly arranged through bolts, so that the drill bit 61 is convenient to detach and install; drilling machine cassette 5 fixed mounting is kept away from the one end of king-rod 31 at sampling head 33, install through the drive end that sets up drilling machine cassette 5 and rig, drive drilling machine cassette 5 and sampling component 3 and drilling component 6 and rotate through opening the rig, thereby drill out sample poling 101 in the sample position department of exhaust-gas treatment jar 1 location through drill bit 61, so that king-rod 31, plug 32 and drilling component 6 run through sample poling 101 and extend into and carry out follow-up sample operation in the exhaust-gas treatment jar 1.
A multi-point detection sampling method for emission used for exhaust gas treatment comprises the following steps:
step one, a handheld positioning frame 21 is attached to a sampling part on the outer wall of an exhaust gas treatment tank 1, so that a sampling through groove 101 of the positioning frame 21 corresponds to the sampling part, an arc-shaped sealing gasket 25 is arranged between the positioning frame 21 and the exhaust gas treatment tank 1, then the positioning frame 21 is positioned and installed on the outer wall of the exhaust gas treatment tank 1 by using a fixing belt 23 and a belt clamping seat 22, and the positioning frame 21 and the exhaust gas treatment tank 1 are fixed through a fixing bolt 241;
secondly, inserting the middle rod 31 and the plug 32 with the drilling component 6 into the sampling through groove 101 of the positioning frame 21, then installing the drill clamping seat 5 and the driving end of the drill, starting the drill to drive the drill clamping seat 5, the sampling component 3 and the drilling component 6 to rotate, so that the sampling through groove 101 is drilled at the sampling position positioned by the waste gas treatment tank 1 through the drill bit 61, then penetrating the middle rod 31, the plug 32 and the drilling component 6 through the sampling through groove 101 and extending into the waste gas treatment tank 1 until the internal thread sleeve 43 is in threaded sleeve connection with the outer side of the threaded pipe 41, sealing the port of the sampling through groove 101 in the sampling component 3 and the positioning frame 21 through the second sealing washer 44, and preventing waste gas from leaking during waste gas sampling;
step three, respectively extending the first sampling pipe 34, the second sampling pipe 35 and the third sampling pipe 36 into the exhaust gas treatment tank 1 through corresponding first sampling groove 331, the second sampling groove 332, the third sampling groove 333, the first slot 321, the second slot 322 and the third slot 323 until the sealing sleeve 37 is in threaded connection with the outer side of the corresponding connection ring 371, at this time, because the side of the first slot 321 away from the through groove 311 is set to be 135-degree structure, the side of the second slot 322 away from the through groove 311 is set to be 45-degree structure, the side of the third slot 323 away from the through groove 311 is set to be 90-degree structure, the side of the first sampling pipe 34 away from the through groove 311 is 135-degree structure, the side of the second sampling pipe 35 away from the through groove 311 is 45-degree structure, and the side of the third sampling pipe 36 away from the through groove 311 is 90-degree structure;
and step four, connecting the joint 381 with the input end of the waste gas sample storage machine, and pumping the waste gas at different positions out through the sampling nozzle 39 and the corresponding first sampling pipe 34, second sampling pipe 35 and third sampling pipe 36 for subsequent detection by opening the waste gas sample storage machine and the corresponding gas control valve 38.
The working principle is as follows: when the positioning frame 21 is used, the handheld positioning frame 21 is attached to a sampling part on the outer wall of the waste gas treatment tank 1, the sampling through groove 101 of the positioning frame 21 corresponds to the sampling part, the arc-shaped sealing gasket 25 is arranged between the positioning frame 21 and the waste gas treatment tank 1, then the positioning frame 21 is positioned and installed on the outer wall of the waste gas treatment tank 1 by using the fixing belt 23 and the belt clamping seat 22, and the positioning frame 21 and the waste gas treatment tank 1 are fixed through the fixing bolt 241;
then, the middle rod 31 and the plug 32 with the drilling assembly 6 are inserted into the sampling through groove 101 of the positioning frame 21, then the drilling machine clamping seat 5 and the driving end of the drilling machine are installed, the drilling machine is started to drive the drilling machine clamping seat 5, the sampling assembly 3 and the drilling assembly 6 to rotate, so that the sampling through groove 101 is drilled at the sampling position positioned by the waste gas treatment tank 1 through the drill bit 61, then the middle rod 31, the plug 32 and the drilling assembly 6 penetrate through the sampling through groove 101 and extend into the waste gas treatment tank 1 until the internal thread sleeve 43 is sleeved on the outer side of the threaded pipe 41 in a threaded manner, the port of the sampling through groove 101 in the sampling assembly 3 and the positioning frame 21 is sealed through the second sealing washer 44, and waste gas leakage is prevented when waste gas sampling is carried out;
then, the first sampling pipe 34, the second sampling pipe 35 and the third sampling pipe 36 respectively extend into the exhaust gas treatment tank 1 through the corresponding first sampling groove 331, the second sampling groove 332, the third sampling groove 333, the first slot 321, the second slot 322 and the third slot 323 until the sealing sleeve 37 is screwed and clamped on the outer side of the corresponding connecting ring 371, at this time, because the side of the first slot 321 away from the through groove 311 is set to be 135-degree structure, the side of the second slot 322 away from the through groove 311 is set to be 45-degree structure, the side of the third slot 323 away from the through groove 311 is set to be 90-degree structure, the side of the first sampling pipe 34 away from the through groove 311 is 135-degree structure, the side of the second sampling pipe 35 away from the through groove 311 is 45-degree structure, and the side of the third sampling pipe 36 away from the through groove 311 is 90-degree structure;
subsequently, the connector 381 is connected with the input end of the waste gas sample storage machine, and waste gas at different positions is extracted through the sampling nozzle 39 and the corresponding first sampling pipe 34, second sampling pipe 35 and third sampling pipe 36 for subsequent detection by opening the waste gas sample storage machine and the corresponding gas control valve 38.
Claims (10)
1. The utility model provides a discharge that exhaust-gas treatment used detects sampling device with multiple spot, includes exhaust-gas treatment jar (1), its characterized in that: waste gas treatment jar (1) sample position department is equipped with locating component (2), the activity is inserted in locating component (2) and is equipped with sampling component (3), be equipped with seal assembly (4) between locating component (2) outside and sampling component (3), the one end fixed mounting that waste gas treatment jar (1) was kept away from in sampling component (3) has rig cassette (5), the one end fixed mounting that drilling assembly (6) were kept away from in sampling component (3) rig cassette (5).
2. The multipoint detection and sampling device for emission used in exhaust gas treatment according to claim 1, wherein: locating component (2) is including locating frame (21), the outside fixed mounting of locating frame (21) has two that are symmetric distribution to take cassette (22), two be equipped with fixed band (23) between taking cassette (22), the outside at exhaust-gas treatment jar (1) is cup jointed in fixed band (23) activity, one side fixed mounting that locating frame (21) is close to exhaust-gas treatment jar (1) has the sealed pad of arc (25), the sealed pad of arc (25) is kept away from one side of locating frame (21) and the outer wall in close contact with of exhaust-gas treatment jar (1), the equal fixed mounting in top and the bottom of locating frame (21) has fixing base (24), screw thread is inserted and is equipped with fixing bolt (241) on fixing base (24), fixing bolt (241) screw thread joint is on exhaust-gas treatment jar (1), the outer wall of exhaust-gas treatment jar (1), all seted up in the middle part of locating frame (21) and the sealed pad of arc (25) and join in marriage sampling component (3) and join in marriage A sampling through-slot (101) is suitably used.
3. The multipoint detection and sampling device for emission used in exhaust gas treatment according to claim 2, wherein: sample subassembly (3) are including king-rod (31), the one end integrated into one piece of king-rod (31) has plug (32), the one end integrated into one piece that plug (32) were kept away from in king-rod (31) has sampling head (33), the cross section of plug (32), sampling head (33) is regular octagon structure, first slot (321) and second slot (322) have all been seted up all around to the outer wall of plug (32), adjacent two third slot (323) have all been seted up to plug (32) outer wall between first slot (321), the outer wall of sampling head (33) seted up with first slot (321), second slot (322), third slot (323) position first sample groove (331), second sample groove (332), third sample groove (333) that correspond respectively, king-rod (31) be equipped with first slot (321) and first sample groove (331), The second slot (322) and the second sampling slot (332) and the third slot (323) and the third sampling slot (333) are correspondingly communicated with each other, a first sampling pipe (34) is movably inserted in the first slot (321), the through slot (311) and the first sampling slot (331), a second sampling pipe (35) is movably inserted in the second slot (322), the through slot (311) and the second sampling slot (332), a third sampling pipe (36) is movably inserted in the third slot (323), the through slot (311) and the third sampling slot (333), the first sampling tube (34), the second sampling tube (35) and the third sampling tube (36) pass through the plug (32) at one side close to the plug (32), first sampling tube (34), second sampling tube (35) and third sampling tube (36) are close to the equal fixed mounting in one end of plug (32) and have a sample mouth (39).
4. The multipoint detection and sampling device for emission used in exhaust gas treatment according to claim 3, wherein: the first sampling tube (34), the second sampling tube (35) and the third sampling tube (36) pass through the sampling head (33) at one side close to the sampling head (33), one ends of the first sampling tube (34), the second sampling tube (35) and the third sampling tube (36) close to the sampling head (33) are respectively provided with a sealing sleeve (37) in a rotating way, the outer walls of the sampling heads (33) at the ports of the first sampling groove (331), the second sampling groove (332) and the third sampling groove (333) are fixedly provided with connecting rings (371) matched with the sealing sleeve (37), the sealing sleeve (37) is clamped at the outer side of the corresponding connecting ring (371) in a threaded manner, a first sealing gasket (372) is arranged between the sealing sleeve (37) and the end part of the connecting ring (371), the middle parts of the sealing sleeves (37) are fixedly clamped with air control valves (38), and a joint (381) is fixedly arranged on one side of the air control valve (38) far away from the sealing sleeve (37).
5. The multipoint detection and sampling device for emission used in exhaust gas treatment according to claim 3, wherein: first slot (321) are located the inboard of second slot (322), one side that logical groove (311) were kept away from in first slot (321) is established to 135 degrees angle structure, one side that logical groove (311) were kept away from in second slot (322) is established to 45 degrees angle structure, one side that logical groove (311) were kept away from in third slot (323) is established to 90 degrees angle structure.
6. The multipoint detection and sampling device for emission used in exhaust gas treatment according to claim 3, wherein: seal assembly (4) are including screwed pipe (41) and change (42), screwed pipe (41) fixed mounting is close to the outer wall of sample wearing groove (101) position department at locating frame (21), the fixed cup joint of change (42) is at the outer wall that well pole (31) is close to sampling head (33) one side, the outside of change (42) is rotated the cover and is equipped with internal thread sleeve (43), internal thread sleeve (43) screw sleeve connects the outside at screwed pipe (41), be equipped with second seal ring (44) between the tip of internal thread sleeve (43) and screwed pipe (41).
7. The multipoint detection and sampling device for emission used in exhaust gas treatment according to claim 3, wherein: the drilling machine clamping seat (5) is fixedly arranged at one end, far away from the middle rod (31), of the sampling head (33).
8. The multipoint detection and sampling device for emission used in exhaust gas treatment according to claim 3, wherein: drilling subassembly (6) include drill bit (61) and connecting seat (62), the one end of well pole (31) is kept away from in plug (32) to connecting seat (62) fixed mounting, one side middle part fixedly connected with cross dop (621) that connecting seat (62) are close to drill bit (61), cross dop (621) activity joint is in drill bit (61) and through bolt fixed mounting.
9. The multipoint detection and sampling device for emission used in exhaust gas treatment according to claim 8, wherein: the central rod (31), the plug (32) and the drilling assembly (6) extend into the exhaust gas treatment tank (1) through the sampling through groove (101).
10. A multi-point detection sampling method for emission used for waste gas treatment is characterized in that: the method comprises the following steps:
step one, a handheld positioning frame (21) is attached to a sampling part on the outer wall of an exhaust gas treatment tank (1), a sampling through groove (101) of the positioning frame (21) corresponds to the sampling part, an arc-shaped sealing gasket (25) is arranged between the positioning frame (21) and the exhaust gas treatment tank (1), then the positioning frame (21) is positioned and installed on the outer wall of the exhaust gas treatment tank (1) by using a fixing belt (23) and a clamping seat (22), and the positioning frame (21) and the exhaust gas treatment tank (1) are fixed through a fixing bolt (241);
secondly, inserting a middle rod (31) with a drilling component (6) and a plug (32) into a sampling through groove (101) of a positioning frame (21), then installing a drill clamping seat (5) and a driving end of a drill, starting the drill to drive the drill clamping seat (5), the sampling component (3) and the drilling component (6) to rotate, drilling the sampling through groove (101) at a sampling position positioned by the waste gas treatment tank (1) through a drill bit (61), then extending the middle rod (31), the plug (32) and the drilling component (6) into the waste gas treatment tank (1) through the sampling through groove (101) until an internal thread sleeve (43) is sleeved outside a threaded pipe (41), sealing the port of the sampling through groove (101) in the sampling component (3) and the positioning frame (21) through a second sealing washer (44), and preventing waste gas from sampling, leakage of exhaust gas occurs;
step three, respectively extending the first sampling pipe (34), the second sampling pipe (35) and the third sampling pipe (36) into the waste gas treatment tank (1) through corresponding first sampling groove (331), second sampling groove (332), third sampling groove (333), first slot (321), second slot (322) and third slot (323) until the sealing sleeve (37) is in threaded connection with the outer side of the corresponding connecting ring (371), at this time, because one side of the first slot (321) far away from the through groove (311) is set to be a 135-degree angle structure, one side of the second slot (322) far away from the through groove (311) is set to be a 45-degree angle structure, one side of the third slot (323) far away from the through groove (311) is set to be a 90-degree angle structure, one side of the first sampling pipe (34) far away from the through groove (311) is a 135-degree angle structure, one side of the second sampling pipe (35) far away from the through groove (311) is a 45-degree angle structure, and one side of the second sampling pipe (35) far away from the through groove (311) is a 45-degree angle structure, One side of the third sampling pipe (36) far away from the through groove (311) is of a 90-degree angle structure;
and step four, connecting the joint (381) with the input end of the waste gas sample storage machine, and pumping the waste gas at different positions out through the sampling nozzle (39) and the corresponding first sampling pipe (34), second sampling pipe (35) and third sampling pipe (36) for subsequent detection by opening the waste gas sample storage machine and the corresponding gas control valve (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053149.0A CN114371042A (en) | 2022-01-18 | 2022-01-18 | Emission multipoint detection sampling device and sampling method for waste gas treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053149.0A CN114371042A (en) | 2022-01-18 | 2022-01-18 | Emission multipoint detection sampling device and sampling method for waste gas treatment |
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| CN114371042A true CN114371042A (en) | 2022-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117848792A (en) * | 2024-03-06 | 2024-04-09 | 北京中投润天环保科技有限公司 | Environment-friendly incinerator exhaust gas sampling device |
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2022
- 2022-01-18 CN CN202210053149.0A patent/CN114371042A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117848792A (en) * | 2024-03-06 | 2024-04-09 | 北京中投润天环保科技有限公司 | Environment-friendly incinerator exhaust gas sampling device |
| CN117848792B (en) * | 2024-03-06 | 2024-05-28 | 北京中投润天环保科技有限公司 | Environment-friendly incinerator exhaust gas sampling device |
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Application publication date: 20220419 |