CN106706376B - Assembled multifunctional smoke sampling gun - Google Patents
Assembled multifunctional smoke sampling gun Download PDFInfo
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- CN106706376B CN106706376B CN201710133457.3A CN201710133457A CN106706376B CN 106706376 B CN106706376 B CN 106706376B CN 201710133457 A CN201710133457 A CN 201710133457A CN 106706376 B CN106706376 B CN 106706376B
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- G—PHYSICS
- 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
- G01N1/24—Suction devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention relates to the field of flue gas sampling, in particular to a spliced multifunctional flue gas sampling gun which comprises a sampling gun top section, a multi-section middle splicing section and a sampling gun tail section which are spliced in sequence, wherein a flue gas sampling hole is formed in the middle of the middle splicing section, a sampling hole cover capable of opening and closing the flue gas sampling hole is arranged on one side of the flue gas sampling hole on the middle splicing section, a sampling gun interface is arranged at the tail end of the sampling gun tail section, a rubber plug is sleeved at one end, far away from the sampling gun interface, of the sampling gun tail section, a plurality of small holes are formed in the rubber plug, thermal resistors with different lengths are spliced in the small holes, and buckles are arranged on the peripheries of the sampling gun top section and the middle splicing section and penetrate through the small holes to be buckled with the buckles in the length direction of the flue gas sampling gun. This flue gas sampling rifle can dismantle and assemble, and convenient transportation, and the interval of the selection adjustment flue gas sampling hole of accessible middle concatenation section is in order to adapt to different flues, can measure flue gas oxygen volume and temperature in the flue simultaneously, easy operation and measuring result are accurate.
Description
Technical Field
The invention relates to the field of flue gas sampling, in particular to a spliced multifunctional flue gas sampling gun.
Background
In thermal test projects such as boiler thermal efficiency test and air preheater characteristic test, exhaust gas oxygen amount and temperature are two important parameters of the performance of reaction equipment, so that simple and accurate measurement of the two data is a basic work for obtaining accurate test results. The cross section of the tail flue of the boiler is large in size, and the layering phenomenon of the flue gas in the flue is serious, so that the components and the temperature of the flue gas are unevenly distributed on the cross section. Therefore, the national standard prescribes that the grid method is adopted to measure the oxygen content and the temperature of the flue gas.
At present, the flue gas sampling gun mainly comprises a light pipe type, a flute-shaped pipe type and the like. The light pipe type sampling gun is a hollow thin-wall pipe, and adopts a point-by-point plugging mode to sample, and although the uniform and consistent smoke quantity of each sampling point can be ensured, the position of the sampling point is difficult to control and the workload is larger. Meanwhile, the flue gas temperature is high, and a plurality of unsafe factors can be brought in the repeated plugging process after the sampling gun is heated. The flute-shaped pipe type sampling gun consists of a hollow thin-wall pipe provided with a plurality of small holes with equal diameters, and although the flue gas with different depths can be collected at the same time, the small holes are fixed and cannot adapt to different flues, so that the grid precision is limited.
The two flue gas sampling guns are generally 3-5 meters in length, so that the flue gas sampling guns are inconvenient to transport and carry. When a certain section in the sampling gun is blocked, the treatment is difficult, the whole sampling gun can not be used, and the whole replacement cost is high. When the flue gas temperature needs to be measured, iron wires for thermal resistors with different lengths need to be bound on the sampling gun, the workload of the test is large, the disassembly is also more troublesome, and after the iron wires are bound, heat transfer exists between the thermal resistor and between the thermal resistor and the sampling tube, so that the temperature measurement accuracy is affected.
Disclosure of Invention
In order to solve the problems, the invention aims to provide the spliced multifunctional flue gas sampling gun which is detachably spliced, convenient to transport, simple to operate and accurate in measurement result, and the distance between flue gas sampling holes can be adjusted to adapt to different flues through the selection of the middle splicing section, so that the oxygen content and the temperature of flue gas in the flues can be measured simultaneously.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a multi-functional flue gas sampling rifle that can assemble, including the sampling rifle top section of assembling in proper order, the middle concatenation section of multisection and sampling rifle tail section, the middle part of middle concatenation section is provided with the sampling hole of gathering the flue gas, be provided with the sampling hole lid that can open and shut flue gas sampling hole in one side of flue gas sampling hole on the middle concatenation section, the end of sampling rifle tail section is provided with sampling rifle interface, the one end cover that sampling rifle tail section kept away from sampling rifle interface is equipped with the rubber buffer, be provided with a plurality of apertures on the rubber buffer, peg graft in the aperture has the thermal resistor of different length, the periphery of sampling rifle top section and middle concatenation section all is provided with the buckle, the thermal resistor passes the buckle block on aperture and the flue gas sampling rifle length direction.
Wherein the intermediate splice sections may be provided in different lengths.
Wherein, the inside of buckle has laid the heat insulating material.
Wherein, the one end that is close to sampling rifle interface of sampling rifle tail section is provided with prevents scalding the handle.
The sampling hole cover is divided into a lower part provided with round holes with different sizes and an upper part for covering the smoke sampling hole, and the sampling hole cover can move up and down or rotate along the middle splicing section.
The inner side of the sampling hole cover is provided with an upper sliding block and a lower sliding block which are protruded outwards, the periphery of the middle splicing section is provided with two horizontal sliding grooves and a vertical sliding groove which are recessed inwards, the two horizontal sliding grooves are arranged corresponding to the upper sliding block and the lower sliding block, the upper end and the lower end of the vertical sliding groove penetrate through the two horizontal sliding grooves and then respectively extend out of the upper transverse sliding groove and the lower transverse sliding groove, and the sliding blocks can slide in the horizontal sliding grooves and the vertical sliding grooves.
And a vertical clamping piece is arranged between the upper transverse chute and the lower transverse chute in the vertical chute.
And a heat shielding cover is arranged at the top end of the smoke sampling gun corresponding to the thermal resistor.
Wherein, the heat shielding cover is including setting up the connecting piece on the sampling hole lid, and the connecting piece articulates there is connecting rod and lower connecting rod, and the length of lower connecting rod is slightly shorter than last connecting rod, goes up connecting rod and lower connecting rod interval setting, goes up the connecting rod external fixation and has umbrella-shaped dustcoat, and lower connecting rod external fixation has umbrella-shaped inner cover, and the upper portion of inner cover is provided with a plurality of water conservancy diversion holes.
The upper parts of the upper connecting rod and the lower connecting rod are connected through a spring.
The invention has the following beneficial effects:
1. according to the flue gas sampling gun, the distance between the flue gas sampling holes is controlled by selecting the length and the number of the middle splicing sections and matching with the opening of the sampling hole cover according to the size of the on-site flue, so that the measuring point positions required by a grid method are met as much as possible.
2. The flue gas sampling gun is convenient to disassemble and assemble and convenient to transport and carry on the premise of ensuring accurate measurement results, and the sampling gun can be disassembled in sections, so that when a certain section is blocked, the pipe is shorter, and the treatment is quite simple; when the method can not solve the problem, a single middle splicing section can be replaced, and the cost is low.
3. The buckle arranged on the smoke sampling gun can effectively and conveniently fix the thermal resistor on the sampling gun, is convenient to detach after the use is finished, and greatly reduces the test workload.
4. The buckle arranged on the smoke sampling gun can separate different thermal resistors, so that heat transfer among the thermal resistors is reduced; and heat insulation materials are laid in the buckle, so that heat transfer between the thermal resistor and the sampling gun is reduced, and the accuracy of temperature measurement is improved.
5. The high-temperature-resistant rubber plug fixed at the tail section of the smoke sampling gun is combined with the flue measuring hole, so that the sampling gun can be fixed, the rubber plug plays a role in sealing, external air is prevented from being inhaled, and the measurement accuracy is improved.
6. The tail section of the smoke sampling gun is fixedly provided with the scalding-preventing handle, so that the smoke sampling gun is convenient to grasp in the pulling and inserting process, and unsafe factors are reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a block diagram of a sampling gun top segment;
FIG. 3 is a block diagram of an intermediate splice section of the sampling gun;
FIG. 4 is a block diagram of a sample hole cover;
FIG. 5 is a block diagram of the transverse and vertical runners of the intermediate splice section;
FIG. 6 is a graph of the positional relationship of the sampling hole cover when it is in the flue gas sampling hole of the middle splice section;
FIG. 7 is a diagram of the positional relationship of the sampling hole cover in communication with the flue gas sampling holes of the intermediate splice segment;
FIG. 8 is a graph of the positional relationship of the sampling hole cover covering the flue gas sampling hole of the middle splice section;
FIG. 9 is a block diagram of a tail section of a sampling gun;
FIG. 10 is a schematic view of the structure of a rubber stopper at the tail section of the sampling gun.
FIG. 11 is a schematic illustration of the installation of a sampling gun clip;
FIG. 12 is a schematic view of a sample gun clip;
FIG. 13 is a schematic view of a heat shield of the sampling gun;
fig. 14 is a schematic view showing a state when the heat shielding cover of the sampling gun is unfolded.
Reference numerals illustrate:
1-sampling gun top section, 11-top splice, 2-middle splice, 21-middle splice, 22-transverse chute, 221-transverse clip, 23-vertical chute, 231-vertical clip, 3-sampling gun tail section, 4-buckle, 41-cavity, 42-tip, 5-smoke sampling hole, 6-sampling hole cover, 61-lower part, 611-round hole, 62-upper part, 621-connecting piece, 622-upper hinge shaft, 623-lower hinge shaft, 624-upper connecting rod, 625-lower connecting rod, 626-spring, 627-housing, 628-inner housing, 6281-deflector hole, 63-slider, 7-rubber plug, 71-small hole, 8-anti-scalding handle, 9-sampling gun interface, 10-heat insulating material.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and specific examples:
as shown in fig. 1, the spliced multifunctional flue gas sampling gun comprises a sampling gun top section 1, a multi-section middle splicing section 2 and a sampling gun tail section 3 which are spliced in sequence;
as shown in fig. 2, the sampling gun top section 1 is cylindrical, and a top end splice 11 is arranged at one end of the sampling gun top section 1. The middle splicing section 2 is cylindrical, one end of the middle splicing section 2 is in threaded connection with the top splicing head 11, and the other end of the middle splicing section 2 is provided with a middle splicing head 21; as shown in fig. 3, a flue gas sampling hole 5 for collecting flue gas is arranged at the midpoint of the middle splicing section 2 in the length direction, and a sampling hole cover 6 capable of opening and closing the flue gas sampling hole 5 is arranged above the flue gas sampling hole 5 on the middle splicing section 2.
The multi-section middle spliceThe joint sections 2 can be respectively set to different lengths, and the distance between the flue gas sampling holes 5 is different through the assembly of the middle splicing sections 2 with different lengths, so that the requirements of different grid precision are met, and the flue with different lengths is suitable. Specifically, the middle splicing sections 2 with different lengths and numbers can be reasonably selected to be matched with the sampling hole covers 6 to open and close so as to assemble the flue gas sampling gun according to the actual size of the flue, and the flue gas sampling holes 5 on the flue gas sampling gun are ensured to be positioned in the required grid measurement center. With length L 1 、L 2 、L 3 For example, an intermediate splicing section 2 of (c), wherein L 1 =30cm，L 2 =40cm，L 3 By selecting the middle splicing section 2 and opening and closing the sampling hole cover 6, the grid spacing can be 30cm,35cm,40cm,45cm,50cm,55cm,60cm,65cm,70cm,75cm,80cm,85cm,90cm,95cm,100cm, etc.
The diameters of the flue gas sampling holes 5 on the middle splicing sections 2 of the multiple sections are the same, and the sizes and the shapes of the sampling hole covers 6 sleeved outside the middle splicing sections 2 of the multiple sections are the same.
Preferably, the sampling hole cover 6 is a cylinder that penetrates up and down, and can move up and down or rotate along the middle splicing section 2, so as to open and close the flue gas sampling hole 5 and change the size of the flue gas sampling hole 5. Specifically, as shown in fig. 4, the sampling hole cover 6 is divided into a lower portion 61 and an upper portion 62; the height D1 of the lower part 61 is larger than the diameter of the flue gas sampling hole 5, and a plurality of round holes 611 are formed in the circumference of the lower part 61; further, the circular holes 611 are uniformly arranged around the periphery of the lower portion 61, the diameters of the circular holes 611 on the lower portion 61 are sequentially reduced, the diameter of the largest circular hole 611 is the same as the diameter of the flue gas sampling hole 5, and the distance between two adjacent circular holes 611 is slightly larger than the diameter of the flue gas sampling hole 5.
The height D2 of the lower portion 62 is greater than the diameter of the smoke sampling hole 5, and the lower portion 62 shields the smoke sampling hole 5 by moving the sampling hole cover 6 up and down; the flue gas sampling holes 5 are opened and closed by matching the middle splicing sections 2 with the lower parts 62 in different lengths and numbers, so that the lengths of the multi-section middle splicing sections 2 are adjusted, the flue gas sampling holes 5 on the flue gas sampling gun are ensured to be positioned in the required grid measurement center, and the requirements of grid measurement points on different flues are met.
In order to realize that the sampling hole cover 6 moves up and down and rotates at the periphery of the middle splicing section 2, the following structure is specifically adopted: the inner side of the sampling hole cover 6 is provided with a sliding block 63 which is protruded upwards and downwards; as shown in fig. 5, the periphery of the middle splicing section 2 is provided with two horizontal sliding grooves 22 which are concave and corresponding to the upper sliding block 63 and the lower sliding block 63, the sliding block 63 can slide horizontally in the horizontal sliding groove 22, and a plurality of horizontal clamping pieces 221 (only part of the horizontal clamping pieces 221 are shown in fig. 5) for clamping the sliding block 63 are arranged in the horizontal sliding groove 22; the periphery of the middle splicing section 2 is also provided with a vertical sliding groove 23, the upper end and the lower end of the vertical sliding groove 23 pass through the two transverse sliding grooves 22 and then respectively extend out of the upper transverse sliding groove 22 and the lower transverse sliding groove 22, and a vertical clamping piece 231 is arranged between the upper transverse sliding groove 22 and the lower transverse sliding groove 22 in the vertical sliding groove 23; in this embodiment, the lateral clip 221 and the vertical clip 231 are made of high temperature resistant rubber with certain elasticity; the lateral clamping member 221 and the vertical clamping member 231 have certain elasticity, so that the sliding block 63 can be allowed to pass through extrusion deformation, and meanwhile, the sliding block 63 can be clamped, so that the sliding block 63 is prevented from sliding horizontally or sliding downwards, and the position of the sliding block 63 is limited.
As shown in fig. 6, the sliding block 63 of the sampling hole cover 6 is clamped in the vertical clamping piece 231, and the whole sampling hole cover 6 is positioned above the flue gas sampling hole 5 on the middle splicing section 2; as shown in fig. 7, the sampling hole cover 6 is pushed downwards, so that the sliding blocks 63 slide downwards to the communication position of the transverse sliding grooves 22 and the vertical sliding grooves 23, and then the sampling hole cover 6 is rotated, so that the two sliding blocks 63 respectively rotate horizontally in the two transverse sliding grooves 22 to communicate the flue gas sampling holes 5 with the required round holes 611; as shown in fig. 8, the sampling hole cover 6 is horizontally rotated so that the slide block 63 is rotated to the communication position of the horizontal chute 22 and the vertical chute 23, and the sampling hole cover 6 is pushed down to the bottom of the vertical chute 23 so that the upper portion 62 of the sampling hole cover 6 covers the smoke sampling hole 5. Circular holes 611 with different diameters on the lower part 61 are respectively communicated with the smoke sampling holes 5 through the up-and-down movement and the horizontal rotation of the sampling hole cover 6, so that the purpose of changing the size of the smoke sampling holes 5 is achieved; under the action of the suction force of an external pump, the smoke is sucked into the smoke sampling gun from the smoke sampling hole 5, but as the smoke sampling hole 5 is closer to the top end of the smoke sampling gun, the smaller the negative pressure in the smoke sampling hole 5 is, the smaller the pressure difference between the inside and the outside of the smoke sampling hole 5 is, the smaller the smoke flow is, so that the flow of the smoke entering the smoke sampling hole 5 is the same by changing the sizes of the smoke sampling holes 5 on different middle splicing sections 2, and the accuracy of a measurement result is ensured.
One end of the tail section 3 of the sampling gun is in threaded connection with the middle splicing head 21, and the other end of the tail section is provided with a sampling gun interface 9; as shown in fig. 9, an anti-scalding handle 8 is arranged at one end of the tail section 3 of the sampling gun, which is close to the sampling gun interface 9, so that the tail section is convenient to grasp in the smoke sampling and plugging process, scalding hands is avoided, and unsafe factors are reduced; one end of the tail section 3 of the sampling gun, which is far away from the sampling gun interface 9, is sleeved with a rubber plug 7 for sealing and fixing a flue hole, the rubber plug 7 is in an inverted truncated cone shape convenient to plug, and in the embodiment, the rubber plug 7 is a high-temperature-resistant rubber plug 7; as shown in fig. 10, the rubber plug 7 is uniformly provided with small holes 71 for passing through the heating resistor along the circumference center, and thermal resistors (not shown) with different lengths are inserted into the small holes 71.
As shown in fig. 1 and 11, the peripheries of the sampling gun top section 1 and the middle splicing section 2 are respectively provided with a buckle 4 for clamping the thermal resistor; when the temperature of the flue gas is measured, the thermal resistor is inserted through the small hole 71 on the rubber plug 7 and is clamped on the buckle 4 in the length direction of the flue gas sampling gun. Preferably, the number of the buckles 4 at the periphery of the sampling gun top section 1 and the middle splicing section 2 is consistent with the number of the small holes 71 on the rubber plug 7, and the positions of the buckles are correspondingly arranged, so that the buckles 4 and the small holes 71 on the sampling gun top section 1 and the multi-section middle splicing section 2 are in the same straight line.
In this embodiment, as shown in fig. 12, the buckle 4 includes a circular arc-shaped cavity portion 41 connected to the outer sides of the sampling gun top section 1 and the middle splicing section 2, and a tip 42 connected to two sides of the opening of the cavity portion 41, where the tip 42 and the cavity portion 41 are integrally formed, and the thermal resistor is clamped into the cavity portion 41 from the tip 42 and fixed in the cavity portion 41, so that the thermal resistor is convenient to clamp and pull out, and the structure is simple, and convenient and practical. The buckle 4 that the flue gas sampling rifle set up not only makes things convenient for the dismouting of thermal resistor, and buckle 4 separates the thermal resistor of different length moreover, has reduced the thermal resistor and has influenced each other, can reduce the influence of high temperature high pressure flue gas to thermal resistor simultaneously, prevents thermal resistor's deformation, when the flue gas sampling rifle is suitable for in horizontal flue, can effectively avoid thermal resistor to take place the fracture under the fluid effect.
Preferably, as shown in fig. 6, the heat insulating material 10 is disposed on the inner side of the buckle 4, and in this embodiment, the heat insulating material 10 is disposed on the inner side of the cavity 41, so as to reduce heat transfer between the thermal resistor and the sampling gun, and further improve accuracy of temperature measurement.
Preferably, a heat shielding cover is arranged at the top end of the smoke sampling gun corresponding to the thermal resistor, so that the problem that when the smoke sampling gun measures the temperature, the wall temperature is lower than the flowing smoke temperature, and therefore the measured temperature is lower, and the accuracy of temperature measurement is improved.
In this embodiment, as shown in fig. 13 and 14, the heat shielding cover includes a plurality of connection pieces 621 uniformly arranged in the circumferential direction of the upper portion 62 of the sampling hole cover 6, and specifically, four connection pieces 621 are uniformly connected in the circumferential direction of the sampling hole cover 6.
The connecting piece 621 is connected with an upper hinge shaft 622 and a lower hinge shaft 623 vertically and horizontally, the upper hinge shaft 622 is hinged with an upper connecting rod 624, the length of the upper connecting rod 624 is consistent with the height of the sampling hole cover 6, the lower hinge shaft 623 is hinged with a lower connecting rod 625, the length of the lower connecting rod 625 is slightly shorter than that of the upper connecting rod 624, the upper parts of the upper connecting rod 624 and the lower connecting rod 625 are connected through a spring 626, and the spring 626 enables the upper connecting rod 624 and the lower connecting rod 625 to be arranged at intervals.
An umbrella-shaped outer cover 627 is connected to the outer side of the upper connecting rod 624, an umbrella-shaped inner cover 628 is connected to the outer side of the lower connecting rod 625, and a plurality of diversion holes 6281 are formed in the upper portion of the inner cover 628; in addition, a plurality of perforations (not shown) are provided in each of the outer casing 627 and the inner casing 628 for passing the heating resistor therethrough.
The flue gas rises and enters the outer cover 627 and the inner cover 628 at the same time, so that the outer cover 627 and the inner cover 628 are propped up, and because the upper ends of the upper connecting rod 624 and the lower connecting rod 625 are respectively hinged on the connecting piece 621 up and down, when the outer cover 627 and the inner cover 628 are propped up to form an umbrella shape, the inner cover 628 is positioned in the outer cover 627, and an annular diversion space is formed between the outer cover 627 and the inner cover 628;
the flue gas flows from the inner cover 628 into the diversion space between the inner cover 628 and the outer cover 627 through the diversion holes 6281 and then flows out of the outer cover 627 and the inner cover 628; in this way, due to the arrangement of the inner cover 628, the smoke enters the inner cover 628, so that the wall temperature is close to the smoke temperature, and the smoke temperature measured by the thermal resistor outside the smoke sampling hole 5 and in the inner cover 628 is more accurate; in addition, the interval setting of dustcoat 627 and inner cover 628 can make the flue gas flow out smoothly from guiding hole 6281, can not pile up at the top of heat shield, influences the temperature measurement of thermal resistor.
The working process of the flue gas sampling gun is as follows:
according to the selected middle splicing section 2, the sampling gun top section 1, the multi-section middle splicing section 2 and the sampling gun tail section 3 are sequentially connected, and the opening and closing of the local sampling hole cover 6 are adjusted; if the temperature is required to be measured, the thermal resistor is inserted through the small hole 71 on the rubber plug 7 and is fixed on the buckle 4 on the sampling gun along the length direction; the sampling gun is sent into a flue hole for measuring, and sealing and fixing are realized by using a rubber plug 7; the sampling gun interface 9 is connected with a flue gas analyzer through a rubber tube.
The foregoing description is only specific embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A can assemble multi-functional flue gas sampling rifle which characterized in that: the sampling gun comprises a sampling gun top section (1), a multi-section middle splicing section (2) and a sampling gun tail section (3) which are assembled in sequence, wherein a sampling smoke sampling hole (5) is formed in the middle of the middle splicing section (2), a sampling hole cover (6) capable of opening and closing the smoke sampling hole (5) is arranged on one side of the smoke sampling hole (5) on the middle splicing section (2), a sampling gun interface (9) is arranged at the tail end of the sampling gun tail section (3), a rubber plug (7) is sleeved at one end, far away from the sampling gun interface (9), of the sampling gun tail section (3), a plurality of small holes (71) are formed in the rubber plug (7), thermal resistors with different lengths are inserted in the small holes (71), buckles (4) are arranged on the peripheries of the sampling gun top section (1) and the middle splicing section (2), the number of the buckles (4) on the periphery of the sampling gun top section (1) and the middle splicing section (2) are consistent with the number of the small holes (71) on the rubber plug (7) and are arranged correspondingly to each other, and the thermal resistors penetrate through the small holes (71) in the length direction of the sampling gun and are buckled with the buckles (4) on the smoke sampling gun;
the sampling hole cover (6) is divided into a lower part (61) provided with round holes (611) with different sizes and an upper part (62) for covering the smoke sampling hole (5), and the sampling hole cover (6) can move up and down or rotate along the middle splicing section (2); the inner side of the sampling hole cover (6) is provided with two upper and lower convex sliding blocks (63), the periphery of the middle splicing section (2) is provided with two concave horizontal sliding grooves (22) and a vertical sliding groove (23), the two horizontal sliding grooves (22) are correspondingly arranged on the two upper and lower sliding blocks (63), the upper and lower ends of the vertical sliding groove (23) penetrate through the two horizontal sliding grooves (22) and then extend out of the two upper and lower horizontal sliding grooves (22), and the sliding blocks (63) can slide in the horizontal sliding grooves (22) and the vertical sliding grooves (23); a transverse clamping piece (221) is arranged in the transverse sliding groove (22), and a vertical clamping piece (231) is arranged between the upper transverse sliding groove (22) and the lower transverse sliding groove (22) in the vertical sliding groove (23);
the top that corresponds the thermal resistor on the flue gas sampling rifle is provided with the heat shield, the heat shield is including setting up connecting piece (621) on sampling hole lid (6), connecting piece (621) articulates there are last connecting rod (624) and lower connecting rod (625), the length of lower connecting rod (625) is slightly shorter than last connecting rod (624), go up connecting rod (624) and lower connecting rod (625) interval setting, go up connecting rod (624) external connection and have umbrella-shaped dustcoat (627), lower connecting rod (625) external connection has umbrella-shaped inner cover (628), the upper portion of inner cover (628) is provided with a plurality of water conservancy diversion holes (6281).
2. The sectional multi-functional flue gas sampling gun according to claim 1, wherein: the intermediate splicing sections (2) can be provided in different lengths.
3. The sectional multi-functional flue gas sampling gun according to claim 1, wherein: the inner side of the buckle (4) is coated with a heat insulating material (10).
4. The sectional multi-functional flue gas sampling gun according to claim 1, wherein: one end of the tail section (3) of the sampling gun, which is close to the sampling gun interface (9), is provided with an anti-scalding handle (8).
5. The sectional multi-functional flue gas sampling gun according to claim 1, wherein: the upper parts of the upper connecting rod (624) and the lower connecting rod (625) are connected through a spring (626).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710133457.3A CN106706376B (en) | 2017-03-08 | 2017-03-08 | Assembled multifunctional smoke sampling gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710133457.3A CN106706376B (en) | 2017-03-08 | 2017-03-08 | Assembled multifunctional smoke sampling gun |
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| Publication Number | Publication Date |
|---|---|
| CN106706376A CN106706376A (en) | 2017-05-24 |
| CN106706376B true CN106706376B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710133457.3A Active CN106706376B (en) | 2017-03-08 | 2017-03-08 | Assembled multifunctional smoke sampling gun |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631915A (en) * | 2017-09-19 | 2018-01-26 | 华电电力科学研究院 | A kind of multipoint mode gridding method flue gas mixed sampling device |
| CN109030722B (en) * | 2018-06-01 | 2023-06-02 | 福建省特种设备检验研究院 | Power station boiler energy efficiency intelligent detector based on multi-sensor integration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202458477U (en) * | 2012-02-17 | 2012-10-03 | 蔡素敏 | Novel cervical biopsy device |
| CN203643191U (en) * | 2013-10-26 | 2014-06-11 | 河南工业大学 | Sampler for high and big peanut kernel storage silo |
| CN203705224U (en) * | 2014-01-14 | 2014-07-09 | 湖北省环境监测中心站 | Multichannel combined smoke sampling gun |
| CN205449588U (en) * | 2016-02-24 | 2016-08-10 | 国网江西省电力科学研究院 | Boiler retractable flue gas sampling device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9116500U1 (en) * | 1991-01-04 | 1993-01-14 | VEAG Vereinigte Energiewerke AG, O-1140 Berlin | Arrangement of a flue gas sampling and analysis device for a furnace |
| CA2563011C (en) * | 2004-04-01 | 2013-08-20 | The Chugoku Electric Power Co., Inc. | Method for sampling flue gas for analysis containing gas component having high susceptibility to adsorption |
| CN203658105U (en) * | 2014-01-06 | 2014-06-18 | 国家电网公司 | Multifunctional portable flue gas sampling device |
| CN104181010A (en) * | 2014-08-12 | 2014-12-03 | 四川崇州粮油储备有限责任公司 | Cereal sampler capable of achieving multilevel sampling in transverse direction and longitudinal direction |
| CN204373935U (en) * | 2014-12-15 | 2015-06-03 | 垫江县雁飞水产养殖有限公司 | A kind of grain sampling sharp-pointed tube |
| CN204536055U (en) * | 2015-05-08 | 2015-08-05 | 国家电网公司 | A kind of flue gas analysis sampling gun |
| CN106066266A (en) * | 2016-06-13 | 2016-11-02 | 国网江西省电力科学研究院 | A kind of multi-functional sampling gun of station boiler multitube |
| CN206523336U (en) * | 2017-03-08 | 2017-09-26 | 国网安徽省电力公司电力科学研究院 | A kind of combinable Multifunctional smoke sampling gun |
-
2017
- 2017-03-08 CN CN201710133457.3A patent/CN106706376B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202458477U (en) * | 2012-02-17 | 2012-10-03 | 蔡素敏 | Novel cervical biopsy device |
| CN203643191U (en) * | 2013-10-26 | 2014-06-11 | 河南工业大学 | Sampler for high and big peanut kernel storage silo |
| CN203705224U (en) * | 2014-01-14 | 2014-07-09 | 湖北省环境监测中心站 | Multichannel combined smoke sampling gun |
| CN205449588U (en) * | 2016-02-24 | 2016-08-10 | 国网江西省电力科学研究院 | Boiler retractable flue gas sampling device |
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