CN110542600A - High-temperature and high-dust flue gas sampling system - Google Patents
High-temperature and high-dust flue gas sampling system Download PDFInfo
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- CN110542600A CN110542600A CN201910904471.8A CN201910904471A CN110542600A CN 110542600 A CN110542600 A CN 110542600A CN 201910904471 A CN201910904471 A CN 201910904471A CN 110542600 A CN110542600 A CN 110542600A
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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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
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Abstract
The invention discloses a high-temperature and high-dust flue gas sampling system, which structurally comprises a gas guide pipe, a heat-resistant ring, a dust cover, a sleeve, a mounting ring, a sampling machine body, a filter element, an exhaust pipe and a reverse blowing disc, wherein the dust cover is arranged at one end of the sampling machine body, and compared with the prior art, the high-temperature and high-dust flue gas sampling system has the beneficial effects that: can adjust multiunit screens group simultaneously, the governing speed is fast, high efficiency, be convenient for heat-resisting ring's quick replacement, perhaps dismantle the inspection, installation fastening can not take place not hard up after fixed, help improving heat-resisting ring's installation fastness, guarantee the air duct and do not buckle, and based on expend with heat and contract with cold, the balloon thermal expansion can cover the head of giving vent to anger, thereby can prevent effectively that the head of giving vent to anger from suffering the jam of dust impurity, contract with cold again after the sampling, make the head of giving vent to anger expose, incessant the inflating of dish is aerifyd through the electric control, be convenient for with the particulate matter, the dust is from the filter core, the air duct blows off, avoid the sampling pipe.
Description
Technical Field
The invention relates to the technical field of flue gas sampling, in particular to a high-temperature and high-dust flue gas sampling system.
Background
in chemical, petroleum, metallurgy, electric power and other industries, high-temperature dust-containing gas, namely high-temperature high-dust flue gas, is often generated, and the high-temperature high-dust flue gas has great harmfulness to the environment and human bodies, so that the flue gas needs to be continuously monitored.
The temperature of high-temperature and high-dust flue gas is generally between 350 ℃ and 1100 ℃, the sampling head samples the flue gas at such high temperature, the heat-resistant ring layer of the sampling head is easy to damage, and the sampling pipe needs to be checked or replaced at regular intervals in order to ensure that the sampling pipe is not bent due to the damage of the heat-resistant layer, and the existing heat-resistant ring is laborious and tedious to replace and cannot be replaced quickly;
in addition, when the sampling head carries out flue gas sampling, the flue gas is purified after passing through the tubular probe firstly, the sample gas after purification is sent to the continuous monitoring system of fume emission and is analyzed, and the high-temperature high-dust flue gas is the flue gas that contains the particulate matter, can lead to most particulate matter to be detained in the filter element, easily causes the sampling pipe to block up, can not gather representative sample gas.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a high-temperature and high-dust flue gas sampling system.
the invention is realized by adopting the following technical scheme: a high-temperature and high-dust flue gas sampling system structurally comprises an air duct, a heat-resistant ring, a dust cover, a sleeve, a mounting ring, a sampling machine body, a filter element, an exhaust pipe and a reverse blowing disc, wherein the dust cover is arranged at one end of the sampling machine body, the reverse blowing disc is arranged at the other end of the sampling machine body, the filter element is arranged in the reverse blowing disc, the filter element is connected with one end of the air duct, the heat-resistant ring is sleeved on the air duct, the sleeve penetrates through the heat-resistant ring, the sleeve and the heat-resistant ring are both matched with the mounting ring, the mounting ring is fixedly;
The mounting ring comprises a clamping group, an adjusting group and a mounting ring body, wherein the clamping group is equidistantly distributed on the inner wall of the mounting ring body, the clamping group is matched with the adjusting group, and the adjusting group is movably connected with the mounting ring body.
preferably, the clamping group comprises a screw rod assembly and a clamping assembly, the screw rod assembly is in threaded connection with the clamping assembly, the screw rod assembly is vertically connected with the inner wall of the mounting ring body, the screw rod assembly is further in transmission connection with the adjusting group, and the clamping assembly penetrates through the sleeve and is matched with the heat-resistant ring.
As optimization, the screw rod assembly comprises a screw rod, a bearing seat, a driven bevel gear and a limiting block, one end of the screw rod is connected with the bearing seat, the other end of the screw rod is vertically connected with the limiting block, the screw rod is in threaded connection with the driven bevel gear, the driven bevel gear is in transmission connection with the adjusting group, and the screw rod is connected with the clamping assembly.
as optimizing, the screens subassembly is vice, outer tube, anti-skidding rubber sleeve including inner tube, go-between, nut, the inner tube runs through in the clearance fit outer tube that adopts with it, the same end and the go-between fixed connection of inner tube and outer tube, it is vice to install the nut on the go-between, the outer tube overcoat is put and is adopted interference fit's anti-skidding rubber sleeve with it, the nut passes through threaded connection with the lead screw pair, place the inner tube in the stopper and both adopt clearance fit, the coolant liquid has been placed in the cavity that forms between inner tube and the outer tube.
Preferably, the adjusting set comprises a clamping block, a shifting block, a clamping ball assembly, a driving bevel gear and a ring, the inner wall of the ring is fixedly connected with the outer wall of the driving bevel gear, the shifting block with a longitudinal anti-slip strip is fixed on the outer wall of the ring, the clamping blocks fixedly connected with the upper end face and the lower end face of the ring are arranged at the upper end and the lower end of the shifting block respectively, the clamping blocks are matched with the clamping ball assembly, the clamping ball assembly is distributed in a circular array and is provided with two groups which are respectively positioned above and below the ring, the driving bevel gear is meshed with a driven bevel gear, the clamping ball assembly is fixedly connected with the mounting ring body, and the ring is matched with the mounting ring body.
As optimizing, the card pearl subassembly is including fixed block, slip ring, inner spring, card pearl, gib block, place in the inner spring in card pearl and an end and be connected with the fixed block, four square positions of outer wall of fixed block all are fixed with the gib block of I shape structure, gib block and the inner groovy clearance fit of slip ring, slip ring and card pearl fixed connection, fixed block and collar body coupling, the card pearl cooperatees with the fixture block.
As optimization, the mounting ring body comprises an opening, guide rings and a ring body, wherein the opening is formed in the front face of the ring body, the two guide rings which are parallel to each other are arranged in the opening, the guide rings are in clearance fit with the ring grooves of the rings, and a shifting block is arranged at the opening.
as optimization, reverse blowing dish is including electric control disk of inflating, smooth clamping piece, play gas ring, telescopic link, play gas head, balloon, be equipped with on the electric control disk of inflating and be the play gas ring of concentric circle structure with it, the equipartition has a gas head on the play gas ring, it is linked together with the air outlet nozzle of electric control disk of inflating to go out the gas head, be equipped with the balloon before the gas head of going out, four position laminating contacts of balloon have smooth clamping piece, smooth clamping piece passes through the telescopic link and is connected with the electric control disk of inflating, the electric control disk of inflating is connected in the sampling organism, the balloon is towards the filter core.
Advantageous effects
Compared with the prior art, the invention provides a high-temperature and high-dust flue gas sampling system, which has the following beneficial effects:
(I) According to the anti-skid rubber sleeve, the clamping groups and the adjusting groups are combined, so that the sleeve and the heat-resistant ring are clamped on the mounting body, the heat-resistant ring can be conveniently mounted and dismounted, a plurality of groups of clamping groups can be simultaneously adjusted during mounting and dismounting, the adjusting speed is high, the efficiency is high, the heat-resistant ring can be conveniently replaced quickly or dismounted and checked, the friction can be increased by the anti-skid rubber sleeve, the mounting firmness of the sleeve, the heat-resistant ring and the air guide tube is further improved, and a precondition guarantee can be provided for the air guide tube not to be bent;
(II) the invention can limit the fixture block by the clamping ball through the combination of the inner spring, the clamping ball and the fixture block, can effectively prevent the driving bevel gear from rotating without sliding the toggle block, so that the clamping and fixing of the sleeve do not loosen, the mounting firmness of the heat-resistant ring is improved, the inner spring can enable the clamping ball to contract inwards when the toggle block is toggled, the driving bevel gear can rotate conveniently, and the mounting and dismounting of the heat-resistant ring are realized,
(III) according to the invention, through the combined arrangement of the electric control inflating disc and the balloon, based on expansion with heat and contraction with cold, when high-temperature and high-dust flue gas is sampled, the balloon is heated and expanded to cover the gas outlet head, so that the gas outlet head can be effectively prevented from being blocked by dust and impurities, and is contracted with cold after sampling to expose the gas outlet head.
drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a high-temperature and high-dust flue gas sampling system according to the present invention.
Fig. 2 is a schematic top view of the mounting ring of the present invention in cooperation with a heat resistant ring and a sleeve.
FIG. 3 is a diagram illustrating a structure of a clamping group according to the present invention.
FIG. 4 is a schematic cross-sectional view of a clamping group according to the present invention.
Fig. 5 is a schematic structural diagram of the regulating group of the present invention.
FIG. 6 is a schematic cross-sectional view of a ball-engaging assembly of the present invention.
Fig. 7 is a front view of the mounting ring body of the present invention.
Fig. 8 is a schematic perspective view of a cartridge according to the present invention.
fig. 9 is a schematic top view of the slip ring of the present invention.
FIG. 10 is a schematic view of the reverse blowing tray of the present invention in a first operating state.
FIG. 11 is a schematic view showing a second operation state of the reverse blowing tray of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
A gas guide tube-a, a heat-resistant ring-b, a dust cover-c, a sleeve-d, a mounting ring-e, a sampling machine body-f, a filter element-g, an exhaust tube-h, a reverse blowing disc-j, a clamping group-e 1, an adjusting group-e 2, a mounting ring body-e 3, a screw rod component-1 e, a clamping component-2 e, a screw rod-1 e1, a bearing seat-1 e2, a driven bevel gear-1 e3, a limiting block-1 e4, an inner tube-2 e1, a connecting ring-2 e2, a nut pair-2 e3, an outer tube-2 e4, an anti-slip rubber sleeve-2 e5, a clamping block-e 21, a shifting block-e 22, a clamping bead component-e 23, a driving bevel gear-e 24, a circular ring-e 25, a fixing block-e 231, a sliding ring-e 232, The device comprises an inner spring-e 233, a clamping bead-e 234, a guide strip-e 235, an opening-e 31, a guide ring-e 32, a ring body-e 33, an electric control inflating disc-j 1, a smooth clamping piece-j 2, an air outlet ring-j 3, a telescopic rod-j 4, an air outlet head-j 5 and a balloon-j 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-11, the present invention provides a technical solution of a high temperature and high dust flue gas sampling system: the sampling device structurally comprises an air duct a, a heat-resistant ring b, a dust cover c, a sleeve d, an installation ring e, a sampling machine body f, a filter element g, an exhaust pipe h and a reverse blowing disc j, wherein the dust cover c is arranged at one end of the sampling machine body f, the reverse blowing disc j is arranged at the other end of the sampling machine body f, the filter element g is arranged in the sampling machine body f, the filter element g is connected with one end of the air duct a, the heat-resistant ring b is sleeved on the air duct a, the sleeve d penetrates through the heat-resistant ring b, the sleeve d and the heat-resistant ring b are both matched with the installation ring e, the installation ring e;
The mounting ring e comprises a clamping group e1, an adjusting group e2 and a mounting ring body e3, wherein the clamping groups e1 which are distributed at equal intervals are uniformly distributed on the inner wall of the mounting ring body e3, the clamping group e1 is matched with the adjusting group e2, and the adjusting group e2 is movably connected with the mounting ring body e 3.
the clamping group e1 comprises a screw rod assembly 1e and a clamping assembly 2e, the screw rod assembly 1e is in threaded connection with the clamping assembly 2e, the screw rod assembly 1e is vertically connected with the inner wall of the installation ring body e3, the screw rod assembly 1e is further in transmission connection with an adjusting group e2, the clamping assembly 2e penetrates through the casing d to be matched with the heat-resistant ring b, and the clamping group e1 is arranged to clamp and fix the casing d.
The screw rod assembly 1e comprises a screw rod 1e1, a bearing seat 1e2, a driven bevel gear 1e3 and a limit block 1e4, one end of the screw rod 1e1 is connected with the bearing seat 1e2, the other end of the screw rod is vertically connected with the limit block 1e4, the screw rod 1e1 is in threaded connection with the driven bevel gear 1e3, the driven bevel gear 1e3 is in transmission connection with an adjusting group e2, the screw rod 1e1 is connected with a clamping assembly 2e, and the limit block 1e4 is arranged to effectively prevent the clamping assembly 2e from being separated from the screw rod 1e 1.
The clamping assembly 2e comprises an inner tube 2e1, a connecting ring 2e2, a nut pair 2e3, an outer tube 2e4 and an anti-skid rubber sleeve 2e5, wherein the inner tube 2e1 penetrates through the outer tube 2e4 in clearance fit with the inner tube 2e1, the inner tube 2e1 and the outer tube 2e4 are fixedly connected at the same end with a connecting ring 2e2, the connecting ring 2e2 is provided with the nut pair 2e3, the outer tube 2e4 is externally provided with the anti-skid rubber sleeve 2e5 in interference fit with the outer tube 2e4, the nut pair 2e3 is connected with the screw rod 1e1 through threads, the limiting block 1e4 is internally arranged in the inner tube 2e1 and is in clearance fit with the inner tube 2e1 and the outer tube 2e4, cooling liquid is placed in a cavity formed between the inner tube 2e1 and the outer tube 2e4, the cooling liquid can; the anti-skid rubber sleeve 2e5 is arranged to increase friction, which is helpful to improve the installation firmness of the sleeve d, the heat-resistant ring b and the air duct a.
The adjusting group e2 comprises a clamping block e21, a shifting block e22, a clamping ball assembly e23, a driving bevel gear e24 and a circular ring e25, the inner wall of the ring e25 is fixedly connected with the outer wall of the drive bevel gear e24, the outer wall of the ring e25 is fixed with a shifting block e22 with a longitudinal anti-slip strip, the upper end and the lower end of the toggle block e22 are both provided with a fixture block e21 fixedly connected with the upper end face and the lower end face of the circular ring e25, the clamping blocks e21 are matched with the clamping bead assemblies e23, two groups of clamping bead assemblies e23 are distributed in a circular array and are respectively positioned above and below the circular ring e25, the driving bevel gear e24 is meshed with the driven bevel gear 1e3, the clamping ball assembly e23 is fixedly connected with the mounting ring body e3, the ring e25 cooperates with collar body e3, the setting of adjusting group e2 lies in adjusting multiunit bayonet group e1 simultaneously, and the regulation speed is fast, and is efficient, the quick replacement of the heat-resisting ring b of being convenient for.
The clamping bead assembly e23 comprises a fixed block e231, a sliding ring e232, an inner spring e233, a clamping bead e234 and a guide strip e235, wherein the inner spring e233 is arranged in the clamping bead e234, one end of the inner spring e233 is connected with the fixed block e231, the guide strip e235 with an I-shaped structure is fixed on four positive positions of the outer wall of the fixed block e231, the guide strip e235 is in clearance fit with an inner groove of the sliding ring e232, the sliding ring e232 is fixedly connected with the clamping bead e234, the fixed block e231 is connected with an installation ring body e3, the clamping bead e234 is matched with a clamping block e21, the clamping bead e234 is arranged to limit the clamping block e21, the driving bevel gear e24 can be effectively prevented from rotating under the condition that the shifting block e2 is not shifted, the clamping bead e233 enables the clamping bead e234 to be telescopic, and when the shifting block e2 is shifted, the driving bevel gear e24 can rotate.
The mounting ring body e3 comprises an opening e31, a guide ring e32 and a ring body e33, wherein the opening e31 is formed in the front face of the ring body e33, two guide rings e32 which are parallel to each other are arranged in the ring body, the guide ring e32 is in clearance fit with a ring groove of the ring e25, and a shifting block e22 is arranged at the position of the opening e 31. The guide ring e32 is arranged to support the ring e25 and also to guide the ring e25 to rotate the drive bevel gear e24, the opening e31 is arranged such that the toggle block e22 can be toggled, and the ring e25 can shield the opening e31 to prevent the entry of flying dust.
The reverse blowing disc j comprises an electric control blowing disc j1, a smooth clamping piece j2, a gas outlet ring j3, an expansion link j4, a gas outlet head j5 and a balloon j6, the electric control blowing disc j1 is provided with the gas outlet ring j3 which is in a concentric circle structure, the gas outlet ring j3 is uniformly provided with the gas outlet head j5, the gas outlet head j5 is communicated with a gas outlet nozzle of the electric control blowing disc j1, the front of the gas outlet head j5 is provided with the balloon j6, the balloon j6 is in contact with four directions by virtue of smooth clamping pieces j2, the smooth clamping piece j2 is connected with the electric control blowing disc j1 through the expansion link j4, the electric control blowing disc j1 is connected with a sampling machine body f, the balloon j6 faces to the filter core g, the balloon j6 is arranged on the basis of heat and cold shrinkage, when high-temperature and dust gas is sampled, the balloon j6 expands to cover the gas outlet ring 6, so that the dust can be effectively prevented from blocking the gas outlet ring 6, the gas is blown back, so that dust can be blown out of the filter element g and the air duct a conveniently, and the phenomenon of blockage of the filter element g and the air duct a is effectively prevented.
The working principle of the invention is as follows: by sliding the shifting block e22, the clamping block e21 generates pressure on the clamping bead e234, so that the inner spring e233 retracts, the guide ring e32 drives the clamping bead e234 to be far away from the clamping block e21 under the guide effect of the guide bar e235, the clamping bead e234 is arranged to limit the clamping block e21, the driving bevel gear e24 can be effectively prevented from rotating under the condition that the shifting block e2 is not shifted, the inner spring e233 is arranged to enable the clamping bead e234 to be telescopic, when the shifting block e2 is shifted, the driving bevel gear e24 can rotate, so that the ring e25 is displaced along with the shifting block e22, the ring e25 drives the driving bevel gear e24 to rotate under the guide effect of the guide ring e32, a plurality of clamping block groups 1 can be adjusted at the same time, the speed and efficiency are high, the quick replacement of the heat-resistant ring b is facilitated, the driven bevel gear 1e3 is linked, the lead screw 631 e1 is driven, and the clamping block 6862 is effectively prevented from being separated from the limiting block e2, the nut pair 2e3 drives the inner tube 2e1 through the connecting ring 2e2, the outer tube 2e4 clamps and fixes the sleeve d, the anti-skid rubber sleeve 2e5 is arranged to increase friction, which is beneficial to improving the installation firmness of the sleeve d, the heat-resistant ring b and the air guide tube a, otherwise, the sleeve d and the heat-resistant ring b are disassembled in the same way, when high-temperature and high-dust smoke is collected, the temperature of the high-temperature and high-dust smoke is generally 3501000 ℃, so the balloon j6 covers the air outlet head j5 based on thermal expansion, the air outlet head j5 can be effectively prevented from being blocked by dust impurities, after the smoke is collected, the balloon 6 retracts, the air outlet head j5 is exposed, the air is pumped through driving the electric control air pumping disc j1, the air enters the air outlet ring j3 and is blown out through the air outlet head j5, dust can be conveniently blown out from the filter element g and the air guide.
In summary, the technical progress obtained by the invention compared with the prior art is as follows:
(1) According to the anti-skid rubber sleeve, the clamping groups and the adjusting groups are combined, so that the sleeve and the heat-resistant ring are clamped on the mounting body, the heat-resistant ring can be conveniently mounted and dismounted, a plurality of groups of clamping groups can be simultaneously adjusted during mounting and dismounting, the adjusting speed is high, the efficiency is high, the heat-resistant ring can be conveniently replaced quickly or dismounted and checked, the friction can be increased by the anti-skid rubber sleeve, the mounting firmness of the sleeve, the heat-resistant ring and the air guide tube is further improved, and a precondition guarantee can be provided for the air guide tube not to be bent;
(2) The invention can limit the position of the clamping block by the clamping ball through the combination of the inner spring, the clamping ball and the clamping block, can effectively prevent the driving bevel gear from rotating under the condition of not sliding the toggle block, so that the clamping and fixing of the sleeve can not loosen, the inner spring can enable the clamping ball to contract inwards when the toggle block is toggled, the driving bevel gear can rotate conveniently, and the assembly and disassembly of the heat-resistant ring are realized,
(3) according to the invention, through the combined arrangement of the electric control inflating disc and the balloon, based on expansion with heat and contraction with cold, when high-temperature and high-dust flue gas is sampled, the balloon is heated and expanded to cover the gas outlet head, so that the gas outlet head can be effectively prevented from being blocked by dust and impurities, and is contracted with cold after sampling, so that the gas outlet head is exposed, and through the uninterrupted inflating of the electric control inflating disc, particulate matters and dust can be conveniently blown out from the filter element and the gas guide tube, the blockage of the sampling tube is avoided, and the representative sample gas can be collected.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a high temperature high dust flue gas sampling system, its structure includes air duct (a), heat-resisting circle (b), dust cover (c), sleeve pipe (d), collar (e), sampling organism (f), filter core (g), blast pipe (h), reverse blowing dish (j), sampling organism (f) one end even has dust cover (c), and the other termination has reverse blowing dish (j), and built-in filter core (g), air duct (a) have, air duct (a) go up the cover put with sleeve pipe (d) complex heat-resisting circle (b), sleeve pipe (d) cooperate in collar (e) of being connected with sampling organism (f), air duct (a) still intercommunication has blast pipe (h), its characterized in that:
The mounting ring (e) comprises a clamping group (e 1), an adjusting group (e 2) and a mounting ring body (e 3), wherein the clamping group (e 1) matched with the adjusting group (e 2) is uniformly distributed in the mounting ring body (e 3), and the adjusting group (e 2) is connected with the mounting ring body (e 3).
2. The high temperature and high dust flue gas sampling system of claim 1, wherein: the clamping group (e 1) comprises a screw rod assembly (1 e) and a clamping assembly (2 e), the screw rod assembly (1 e) is connected with the clamping assembly (2 e), an installation ring body (e 3) and an adjusting group (e 2), and the clamping assembly (2 e) is matched with the heat-resistant ring (b).
3. The high temperature and high dust flue gas sampling system of claim 2, wherein: the lead screw subassembly (1 e) is including lead screw (1 e 1), bearing frame (1 e 2), driven bevel gear (1 e 3), stopper (1 e 4), lead screw (1 e 1) one end links to each other with bearing frame (1 e 2), and the other end hangs down and meets stopper (1 e 4), lead screw (1 e 1) still is equipped with driven bevel gear (1 e 3) of being connected with regulation group (e 2).
4. The high temperature and high dust flue gas sampling system of claim 2, wherein: screens subassembly (2 e) is including inner tube (2 e 1), go-between (2 e 2), the nut is vice (2 e 3), outer tube (2 e 4), anti-skidding rubber sleeve (2 e 5), inner tube (2 e 1) run through in outer tube (2 e 4) and both all are connected with go-between (2 e 2), it is vice (2 e 3) to be equipped with the nut on go-between (2 e 2), anti-skidding rubber sleeve (2 e 5) have been put to outer tube (2 e 4) overcoat, nut is vice (2 e 3) and lead screw (1 e 1) are connected, the coolant liquid has been placed between inner tube (2 e 1) and outer tube (2 e 4).
5. The high temperature and high dust flue gas sampling system of claim 1, wherein: the adjusting group (e 2) comprises a clamping block (e 21), a shifting block (e 22), a clamping ball assembly (e 23), a driving bevel gear (e 24) and a circular ring (e 25), wherein a driving bevel gear (e 24) meshed with a driven bevel gear (1 e 3) is arranged in the circular ring (e 25), a shifting block (e 22) is arranged outside, the clamping block (e 21) is arranged at the upper end and the lower end of the shifting block, the clamping block (e 21) is matched with the clamping ball assembly (e 23), the clamping ball assembly (e 23) is connected with a mounting ring body (e 3), and the circular ring (e 25) is matched with the mounting ring body (e 3).
6. The high temperature and high dust flue gas sampling system of claim 5, wherein: the clamping bead assembly (e 23) comprises a fixing block (e 231), a sliding ring (e 232), an inner spring (e 233), a clamping bead (e 234) and a guide strip (e 235), the clamping bead (e 234) is connected with the fixing block (e 231) through the inner spring (e 233), the guide strip (e 235) matched with the sliding ring (e 232) is arranged outside the fixing block (e 231), the sliding ring (e 232) is connected with the clamping bead (e 234) matched with the clamping block (e 21), and the fixing block (e 231) is connected with the mounting ring body (e 3).
7. A high temperature and high dust flue gas sampling system according to claim 1 or 5, wherein: installing ring body (e 3) is including opening (e 31), guide ring (e 32), ring body (e 33), ring body (e 33) are equipped with opening (e 31) 1, and guide ring (e 32) 2, guide ring (e 32) and ring (e 25) cooperation.
8. The high temperature and high dust flue gas sampling system of claim 1, wherein: the reverse blowing disc (j) comprises an electric control blowing disc (j 1), a smooth clamping piece (j 2), a gas outlet ring (j 3), a telescopic rod (j 4), a gas outlet head (j 5) and a balloon (j 6), wherein the gas outlet ring (j 3) with the gas outlet head (j 5) is arranged on the electric control blowing disc (j 1), the gas outlet head (j 5) is communicated with the electric control blowing disc (j 1), the electric control blowing disc (j 1) is connected with the balloon (j 6) through the telescopic rod (j 4) and the smooth clamping piece (j 2), and the electric control blowing disc (j 1) is connected with a sampling machine body (f).
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| CN201910904471.8A CN110542600B (en) | 2019-09-24 | 2019-09-24 | High-temperature and high-dust flue gas sampling system |
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| CN201910904471.8A CN110542600B (en) | 2019-09-24 | 2019-09-24 | High-temperature and high-dust flue gas sampling system |
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| CN110542600B CN110542600B (en) | 2021-10-08 |
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| CN110044666A (en) * | 2019-05-28 | 2019-07-23 | 中国华能集团清洁能源技术研究院有限公司 | A kind of high-temperature high dust flue gas sampling system and method |
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| CN207814123U (en) * | 2017-12-15 | 2018-09-04 | 郑州宇恒环保技术有限公司 | Steel sleeve rotational locking mechanism |
| CN107893454A (en) * | 2017-12-19 | 2018-04-10 | 郭正慧 | A kind of use in toilet shower head fixing device |
| CN208043511U (en) * | 2018-02-27 | 2018-11-02 | 宝山钢铁股份有限公司 | Converter gas analyzer upsampling filter quick replacement device |
| CN208254882U (en) * | 2018-05-14 | 2018-12-18 | 南京康测自动化设备有限公司 | A kind of easy-to-mount denitration high-temperature flue gas sampling probe |
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