CN113551097B - In-situ cross-penetration tubular pretreatment device based on gas streaming - Google Patents
In-situ cross-penetration tubular pretreatment device based on gas streaming Download PDFInfo
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- CN113551097B CN113551097B CN202110626076.5A CN202110626076A CN113551097B CN 113551097 B CN113551097 B CN 113551097B CN 202110626076 A CN202110626076 A CN 202110626076A CN 113551097 B CN113551097 B CN 113551097B
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000012466 permeate Substances 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 44
- 238000009434 installation Methods 0.000 claims description 31
- 230000002265 prevention Effects 0.000 claims description 16
- 238000010926 purge Methods 0.000 claims description 13
- 230000035515 penetration Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 abstract description 12
- 230000000903 blocking effect Effects 0.000 abstract 2
- 238000005259 measurement Methods 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 5
- 238000005272 metallurgy Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
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Abstract
The invention discloses an in-situ cross-penetration permeate tube type pretreatment device based on gas circumfluence, which comprises a first sleeve, a second sleeve, a permeate tube and a sealing element, wherein the first sleeve is provided with a first through hole and a second through hole, the length direction of the first sleeve is parallel to the length direction of the second sleeve, one end of the first sleeve is connected with one end of the second sleeve, at least part of the permeate tube is arranged in a tube cavity of the first sleeve, at least part of the permeate tube is positioned between the first through hole and the second through hole along the radial direction of the first sleeve, and the sealing element is used for blocking a first part of tube cavity of the first sleeve and a second part of tube cavity of the first sleeve and blocking the first part of tube cavity of the first sleeve and the tube cavity of the second sleeve. The in-situ counter-penetration permeation tube type pretreatment device based on gas bypassing can reduce the difficulty and risk of gas monitoring and can improve the accuracy of gas monitoring.
Description
Technical Field
The invention relates to the technical field of gas monitoring in the metallurgy and chemical industry, in particular to an in-situ cross-penetration permeation tube type pretreatment device based on gas bypass.
Background
In the related technology, the gas in the pipeline is pretreated by adopting a multi-stage filtration heat tracing extraction mode in the gas monitoring in the metallurgy and chemical industry. The mode process is complicated, is provided with a large number of pipelines, valves, flowmeters, pressure gauges and other components, is used for conventional measurement, condensation water removal, purging and the like, and has a complicated structure. The pretreatment mode also needs high-temperature heat tracing, is easy to be interfered by high-concentration water and condensed, and has the problems of easy blockage and corrosion of pipelines, delayed measurement, distorted sample gas and poor stability.
Disclosure of Invention
The present invention is based on the discovery and recognition by the inventors of the following facts and problems:
the technology for measuring the gas value in the metallurgy and chemical industry is mainly extraction type pretreatment, namely, extracting the gas in a gas pipeline, and then treating and measuring the gas. Other industries, such as the field of thermal power, have in-situ cross-under measurement techniques similar to the present application. The in-situ through type measurement technology comprises a laser emitting unit and a laser receiving unit, wherein one end emits laser and the other end receives laser during working, the path of the laser is parallel to the radial direction of a gas pipeline, and the measurement technology is mostly applied to large-size gas pipelines. In the metallurgy and chemical industry, the diameter of the section of the gas pipeline is relatively small, the pressure in the gas pipeline is large, the gas flow rate is high, and the in-situ through type measurement technology is low in measurement precision and high in risk in the metallurgy and chemical industry and cannot be applied.
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, the embodiment of the invention provides an in-situ opposite-penetration tubular pretreatment device based on gas bypass. This normal position is to wearing infiltration tubular preprocessing device based on gas flows around can reduce the degree of difficulty and the risk of gas monitoring, can also improve the accuracy of gas monitoring.
According to the embodiment of the invention, the in-situ counter-penetration tubular pretreatment device based on gas bypass comprises: the first sleeve is provided with a first through hole and a second through hole, each of the first through hole and the second through hole can be communicated with a first part of the tube cavity of the first sleeve and the tube cavity of the gas pipeline, and the first through hole and the second through hole are opposite to each other along the radial direction of the first sleeve; a second sleeve, one end of the second sleeve in the length direction is suitable for extending into the lumen of the gas pipeline, the length direction of the first sleeve is parallel to the length direction of the second sleeve, and the one end of the first sleeve is connected with the one end of the second sleeve so as to communicate the lumen of the first sleeve with the lumen of the second sleeve; a penetration pipe, at least a part of which is arranged in the lumen of the first sleeve, so that the lumen of the penetration pipe is communicated with the lumen of the second part of the first sleeve and the lumen of the second sleeve, and at least a part of which is arranged between the first through hole and the second through hole along the radial direction of the first sleeve, so that the gas in the gas pipeline enters the lumen of the penetration pipe; and a seal for obstructing the first portion lumen of the first cannula and the second portion lumen of the first cannula and obstructing the first portion lumen of the first cannula and the lumen of the second cannula.
According to the in-situ cross-permeation tube type pretreatment device based on gas bypassing, disclosed by the embodiment of the invention, when the gas in the cavity of the gas pipeline is monitored, the gas in the cavity of the gas pipeline can stably pass through the permeation tube based on the bypassing principle, and the pressure in the permeation tube is lower than the pressure on the windward side of the permeation tube in the gas pipeline and higher than the pressure on the leeward side of the permeation tube, so that the gas in the gas pipeline can continuously pass through the permeation tube.
In addition, a small amount of gas is stored in the permeation tube, so that the measurement of the gas is facilitated, and the difficulty and risk of gas monitoring can be reduced. In addition, the in-situ cross-permeation tubular pretreatment device based on gas streaming in the embodiment of the invention carries out in-situ treatment on gas in a gas pipeline, can avoid sample gas distortion, and further improves the measurement accuracy.
Therefore, the in-situ counter-penetration tubular pretreatment device based on gas streaming can reduce the difficulty and risk of gas monitoring and improve the accuracy of gas monitoring.
In some embodiments, the in-situ cross-permeation tube type pretreatment device based on gas bypass flow further comprises a first installation tube and a second installation tube, at least part of the first installation tube and at least part of the second installation tube are both arranged in the tube cavity of the first sleeve, the first installation tube and the second installation tube are oppositely arranged in the length direction of the first sleeve, one end of the permeation tube in the length direction is connected with the first installation tube, the tube cavity of the first installation tube is communicated with the tube cavity of the first sleeve and the tube cavity of the permeation tube, the other end of the permeation tube in the length direction is connected with the second installation tube, and the tube cavity of the second installation tube is communicated with the tube cavity of the second sleeve and the tube cavity of the permeation tube.
In some embodiments, the sealing element includes a first sealing ring and a second sealing ring, the outer circumferential surface of the first mounting tube is provided with a first annular groove, the first sealing ring is arranged in the first annular groove, the first sealing ring is in contact with the inner circumferential surface of the first sleeve to block the first partial lumen of the first sleeve and the second partial lumen of the first sleeve, the outer circumferential surface of the second mounting tube is provided with a second annular groove, the second sealing ring is arranged in the second annular groove, and the second sealing ring is in contact with the inner circumferential surface of the first sleeve to block the first partial lumen of the first sleeve and the lumen of the second sleeve.
In some embodiments, the first sleeve includes a first section, a second section and a third section, the lumen of the first section forms the first partial lumen, the lumen of the second section forms the second partial lumen, the lumen of the third section is a third partial lumen, the first partial lumen is located between the second partial lumen and the third partial lumen along the axial direction of the first sleeve, the first partial lumen, the second partial lumen and the third partial lumen form the lumen of the first sleeve, the second sleeve includes a fourth section, a fifth section and a sixth section, the lumen of the fourth section is a fourth partial lumen, the lumen of the fifth section is a fifth partial lumen, the lumen of the sixth section is a sixth partial lumen, the fourth partial lumen is located between the fifth partial lumen and the sixth partial lumen along the axial direction of the second sleeve, the fourth partial lumen, the fifth partial lumen, and the sixth partial lumen form a lumen of the second cannula.
In some embodiments, the radial dimension of the first partial lumen is smaller than the radial dimension of the second partial lumen, the first mounting tube includes a first connecting section and a second connecting section, the radial dimension of the first connecting section is larger than the radial dimension of the second connecting section, the first connecting section is disposed in the second partial lumen, the second connecting section is disposed in the first partial lumen, the first annular groove is disposed on the outer circumferential surface of the first connecting section, and at least a portion of the second mounting tube is disposed in the third partial lumen.
In some embodiments, the in-situ cross-penetrating tubular pretreatment device based on gas bypass further includes a third sealing ring, the third section of the first sleeve is located at the one end of the first sleeve, the fifth section of the second sleeve is located at the one end of the second sleeve, at least a part of the third section is located in the fifth partial tube cavity, at least a part of the outer peripheral surface of the third section is matched with the inner peripheral surface of the fifth section, the inner peripheral surface of the fifth section is provided with a third annular groove, the third sealing ring is arranged in the third annular groove, and the third sealing ring is in contact with the outer peripheral surface of the third section so as to block the fifth partial tube cavity from the tube cavity of the gas pipeline.
In some embodiments, the in-situ cross-penetrating pipe type pretreatment device based on gas circumfluence further comprises a first tight-pushing pipe, a second tight-pushing pipe and an elastic member, wherein the first tight-pushing pipe is arranged in the second partial pipe cavity, part of the outer peripheral surface of the first tight-pushing pipe is connected with the inner peripheral surface of the second section, the end surface of the first tight-pushing pipe adjacent to one end of the second sleeve is contacted with the end surface of the first connecting section far from one end of the second sleeve, one part of the second tight-pushing pipe is arranged in the fourth partial pipe cavity, the other part of the second tight-pushing pipe is arranged in the sixth partial pipe cavity, part of the outer peripheral surface of the other part of the second tight-pushing pipe is connected with the inner peripheral surface of the sixth section, and the elastic member is arranged between the second tight-pushing pipe and the second installation pipe along the axial direction of the first sleeve, the end face of one end, close to the first sleeve, of the second jacking pipe is abutted against the end face of one end, far away from the first sleeve, of the elastic piece, and the end face of one end, far away from the first sleeve, of the second mounting pipe is abutted against the end face of one end, close to the first sleeve, of the elastic piece.
In some embodiments, the in-situ cross-penetrating pipe type pretreatment device based on gas bypass further comprises a fourth sealing ring, a fourth annular groove is formed in the outer peripheral surface of the portion of the second jacking pipe, the fourth sealing ring is arranged in the fourth annular groove, and the fourth sealing ring is in contact with the inner peripheral surface of the fourth section.
In some embodiments, the in-situ cross-permeation tube type pretreatment device based on gas bypass flow further comprises a purging tube, a ring cavity is formed between the outer peripheral surface of the first tightening tube and the inner peripheral surface of the second section, a third through hole for communicating the tube cavity of the first tightening tube with the ring cavity is formed in the tube wall of the first tightening tube, the purging tube is connected with the outer peripheral surface of the second section, and a fourth through hole for communicating the ring cavity with the tube cavity of the purging tube is formed in the tube wall of the second section.
In some embodiments, the in-situ cross-permeation tube pretreatment device based on gas bypass flow further comprises a first protection piece and a second protection piece, the first protection piece and the second protection piece are opposite to each other in the radial direction of the first sleeve, the first through hole and the second through hole are both long holes, the length direction of the first through hole and the length direction of the second through hole are both parallel to the length direction of the first sleeve, one end of the first protection piece is positioned on one side of the first through hole in the width direction and connected with the first sleeve, the other end of the first protection piece is positioned on the other side of the first through hole in the width direction and connected with the first sleeve, the side surface of the first protection piece adjacent to the second protection piece is in contact with the outer circumferential surface of the permeation tube, and one end of the second protection piece is positioned on one side of the second through hole in the width direction and connected with the first sleeve, the other end of the second shielding member is located on the other side in the width direction of the second through hole and connected to the first sleeve, and the side surface of the second shielding member adjacent to the first shielding member is in contact with the outer circumferential surface of the permeation tube.
Drawings
Fig. 1 is a schematic perspective view of a pretreatment apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a pretreatment apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a pretreatment apparatus according to an embodiment of the present invention.
Fig. 4 is a sectional structural view of the first sleeve.
Fig. 5 is a sectional structural view of the second sleeve.
Fig. 6 is a sectional view a-a of fig. 2.
Fig. 7 is a sectional view B-B of fig. 3.
Fig. 8 is a partial enlarged view at a in fig. 6.
Fig. 9 is a partial enlarged view at B in fig. 6.
Fig. 10 is a partial enlarged view at a in fig. 7.
Fig. 11 is a partial enlarged view at B in fig. 7.
Reference numerals:
a gas pipe 1;
a first sleeve 10; a first segment 101; a second segment 102; a fourth through hole 1021; a third segment 103; a first via 104; a second through hole 105; a first connecting member 11; a third connecting member 12; a purge pipe 13; the first prevention piece 14; the second prevention piece 15;
a second sleeve 20; a fourth segment 201; a fifth segment 202; a sixth segment 203; a third seal ring 204; a second connecting member 21; a fourth connecting member 22;
a permeate tube 30;
a fifth connecting member 40; a sixth connecting member 50; a first valve 60; a second valve 70;
a first mounting tube 80; a first connection section 81; a first seal ring 801; a second connection section 82;
a second mounting tube 90; a second seal 901;
a first puller tube 100; a third through hole 1001;
an annular cavity 110;
a second jacking tube 120; a fourth seal ring 1201;
an elastic member 130;
a first anti-loosening screw sleeve 140;
and a second anti-loosening screw sleeve 150.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An in-situ interpenetration permeation tube 30 type pretreatment apparatus based on gas bypass according to an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-11, an in-situ interpenetration permeation tube 30 type pretreatment device based on gas bypass flow according to an embodiment of the present invention comprises: a first sleeve 10, a second sleeve 20, a permeate tube 30, and a seal.
One end (e.g., the right end of the first sleeve 10 in fig. 2) in the length direction (e.g., the left-right direction in fig. 2) of the first sleeve 10 is adapted to be able to protrude into the lumen of the gas pipe 1. The first sleeve 10 is provided with a first through hole 104 and a second through hole 105, each of the first through hole 104 and the second through hole 105 being capable of communicating a first partial lumen of the first sleeve 10 and a lumen of the gas conduit 1, the first through hole 104 and the second through hole 105 being opposed in a radial direction (front-rear direction in fig. 2) of the first sleeve 10.
One end of the second sleeve 20 in the length direction (for example, the left end of the second sleeve 20 in fig. 2) is adapted to be capable of extending into the lumen of the gas pipeline 1, the length direction of the first sleeve 10 is parallel to the length direction of the second sleeve 20, and one end of the first sleeve 10 is connected with one end of the second sleeve 20 to communicate the lumen of the first sleeve 10 with the lumen of the second sleeve 20, that is, the lumen of the first sleeve 10 is communicated with the lumen of the second sleeve 20.
At least a portion of the permeation tube 30 is disposed within the lumen of the first sleeve 10 such that the lumen of the permeation tube 30 communicates with the second partial lumen of the first sleeve 10 and the lumen of the second sleeve 20, and at least a portion of the permeation tube 30 is located between the first through hole 104 and the second through hole 105 in the radial direction of the first sleeve 10 such that the gas in the gas pipe 1 enters the lumen of the permeation tube 30.
It will be appreciated that the high pressure gas flowing in the gas pipe 1 flows at a high speed and can enter the lumen of the permeate tube 30 based on the principle of gas bypass.
Specifically, taking the gas in the gas pipeline 1 flowing from the front to the back at a high speed as an example, the gas enters the lumen of the first sleeve 10 from the first through hole 104, most of the gas bypasses the permeation tube 30 and flows out from the second through hole 105, so that the gas pressure at the front side of the permeation tube 30 is greater than the gas pressure at the back side of the permeation tube 30, the gas at the front side of the permeation tube 30 can enter the lumen of the permeation tube 30 due to the pressure difference, and the pressure in the permeation tube 30 is lower than the pressure at the front side of the permeation tube 30 in the gas pipeline 1 and higher than the pressure at the back side of the permeation tube 30, so that the gas in the gas pipeline 1 can continuously pass through the permeation tube 30.
The sealing member is used to block the first partial lumen of the first sleeve 10 and the second partial lumen of the first sleeve 10 and to block the first partial lumen of the first sleeve 10 and the lumen of the second sleeve 20. Therefore, the in-situ cross-permeation tube 30 type pretreatment device based on gas bypass flow can prevent gas in the gas pipeline 1 from entering the second part of the tube cavity of the first sleeve 10 and the tube cavity of the second sleeve 20, ensure measurement of sample gas in the permeation tube 30 and facilitate high measurement accuracy.
According to the in-situ cross-permeation tube 30 type pretreatment device based on gas bypass, disclosed by the embodiment of the invention, when gas in the tube cavity of the gas pipeline 1 is monitored, the gas in the tube cavity of the gas pipeline 1 can stably pass through the permeation tube 30 based on the bypass principle, the pressure in the permeation tube 30 is lower than that in the gas pipeline 1, and a small amount of gas is stored in the permeation tube 30, so that the measurement of the gas is facilitated, and the difficulty and risk of gas monitoring can be reduced.
In addition, the in-situ cross-permeation tube 30 type pretreatment device based on gas streaming in the embodiment of the invention carries out in-situ treatment on gas in the gas pipeline 1, can avoid sample gas distortion, and further improves the measurement accuracy.
Therefore, the in-situ cross-permeation tube 30 type pretreatment device based on gas bypass flow can reduce the difficulty and risk of gas monitoring and improve the accuracy of gas monitoring.
As shown in fig. 1-3 and 6-11, the in-situ permeate-through pipe 30 type pretreatment device based on gas bypass according to the embodiment of the present invention further includes a first connector 11, a second connector 21, a third connector 12, a fourth connector 22, a first valve 60 and a second valve 70.
The first and third connectors 11 and 12 are provided on the first sleeve 10, and the second and fourth connectors 21 and 22 are provided on the second sleeve 20.
The first valve 60 is connected to the third connector 12, and the third connector 12 is provided at the left end of the first sleeve 10, so that the first valve 60 communicates with the left end of the first sleeve 10. The second valve 70 is connected to the fourth connector 22, and the fourth connector 22 is provided at the right end of the second sleeve 20, so that the second valve 70 communicates with the right end of the second sleeve 20.
A first connecting piece 11 is arranged on the right side of the third connecting piece 12, the first connecting piece 11 being intended for connection to the gas pipe 1. The second connector 21 is provided on the left side of the fourth connector 22, and the second connector 21 is used for connection with the gas pipe 1.
As shown in fig. 2 and 3, a fifth connector 40 and a sixth connector 50 can be installed on the gas pipe 1, the fifth connector 40 being connected to the first connector 11, and the sixth connector 50 being connected to the second connector 21.
Specifically, the first connecting member 11, the second connecting member 21, the third connecting member 12, the fourth connecting member 22, the fifth connecting member 40, and the sixth connecting member 50 are all connecting flanges. And sealing gaskets are arranged between the first connecting piece 11 and the fifth connecting piece 40, between the second connecting piece 21 and the sixth connecting piece 50, between the third connecting piece 12 and the first valve 60, and between the fourth connecting piece 22 and the second valve 70.
Therefore, the in-situ interpenetration permeation tube 30 type pretreatment device based on gas bypass flow of the embodiment of the present invention can be installed on the gas pipeline 1. When the equipment for measuring gas is overhauled or cleaned, the first valve 60 and the second valve 70 can be used for sealing the tube cavities of the first sleeve 10 and the second sleeve 20, so that gas leakage is avoided.
In some embodiments, as shown in fig. 2-11, an in situ permeate-by-pass 30 pretreatment apparatus based on gas bypass according to embodiments of the present invention further comprises a first installation tube 80 and a second installation tube 90.
At least a portion of the first mounting tube 80 and at least a portion of the second mounting tube 90 are both disposed within the lumen of the first sleeve 10, and the first mounting tube 80 and the second mounting tube 90 are disposed opposite to each other in the length direction of the first sleeve 10. Specifically, the first mounting tube 80 is provided at the left end of the first sleeve 10, and the second mounting tube 90 is provided at the right end of the first sleeve 10.
One end of the permeation tube 30 in the longitudinal direction (e.g., the left end of the permeation tube 30 in FIG. 2) is connected to the first installation tube 80 so that the lumen of the first installation tube 80 communicates the lumen of the first sleeve 10 and the lumen of the permeation tube 30.
Specifically, the left end of the permeation tube 30 is protruded into the lumen of the first installation tube 80, and the outer circumferential surface of the permeation tube 30 is adhered to the inner circumferential surface of the first installation tube 80.
The other end of the permeation tube 30 in the longitudinal direction (e.g., the right end of the permeation tube 30 in FIG. 2) is connected to the second mounting tube 90 so that the lumen of the second mounting tube 90 communicates the lumen of the second sleeve 20 and the lumen of the permeation tube 30.
Specifically, the right end of the permeation tube 30 is inserted into the lumen of the second installation tube 90, and the outer circumferential surface of the permeation tube 30 is bonded to the inner circumferential surface of the second installation tube 90.
Therefore, the permeate tube 30 can be stably installed in the first sleeve 10.
As shown in fig. 8-11, the seal includes a first seal ring 801 and a second seal ring 901.
The outer peripheral surface of the first mounting tube 80 is provided with a first annular groove, a first sealing ring 801 is arranged in the first annular groove, and the first sealing ring 801 is in contact with the inner peripheral surface of the first sleeve 10. The first sealing ring 801 can block a first partial lumen of the first sleeve 10 and a second partial lumen of the first sleeve 10.
The outer peripheral surface of the second mounting pipe 90 is provided with a second annular groove, a second sealing ring 901 is arranged in the second annular groove, and the second sealing ring 901 is in contact with the inner peripheral surface of the first sleeve 10. The second sealing ring 901 can obstruct the first partial lumen of the first sleeve 10 and the lumen of the second sleeve 20.
Therefore, the in-situ cross-permeation tube 30 type pretreatment device based on gas bypass flow can prevent gas in the gas pipeline 1 from entering the second part of the tube cavity of the first sleeve 10 and the tube cavity of the second sleeve 20, ensure measurement of sample gas in the permeation tube 30 and facilitate high measurement accuracy.
As shown in fig. 4, 6, 8 and 10, the first casing 10 includes a first section 101, a second section 102 and a third section 103. The lumen of the first segment 101 forms a first partial lumen, the lumen of the second segment 102 forms a second partial lumen, and the lumen of the third segment 103 is a third partial lumen. The first partial lumen is located between the second partial lumen and the third partial lumen in the axial direction of the first cannula 10, and the first partial lumen, the second partial lumen and the third partial lumen form the lumen of the first cannula 10.
As shown in fig. 5, 7, 9 and 11, the second sleeve 20 comprises a fourth section 201, a fifth section 202 and a sixth section 203, wherein the lumen of the fourth section 201 is a fourth partial lumen, the lumen of the fifth section 202 is a fifth partial lumen, and the lumen of the sixth section 203 is a sixth partial lumen. The fourth partial lumen is located between the fifth partial lumen and the sixth partial lumen in the axial direction of the second cannula 20, and the fourth partial lumen, the fifth partial lumen and the sixth partial lumen form the lumen of the second cannula 20.
As shown in fig. 4-11, the radial dimension of the first partial lumen is smaller than the radial dimension of the second partial lumen. The first mounting tube 80 comprises a first connecting section 81 and a second connecting section 82, the radial dimension of the first connecting section 81 being larger than the radial dimension of the second connecting section 82. The first connecting section 81 is arranged in the second part of the tube cavity, the second connecting section 82 is arranged in the first part of the tube cavity, the first annular groove is arranged on the outer peripheral surface of the first connecting section 81, and at least part of the second mounting tube 90 is arranged in the third part of the tube cavity.
In some embodiments, as shown in fig. 5, 7, 9, and 11, the in situ permeate-through tube 30 pretreatment device based on gas bypass according to embodiments of the present invention further comprises a third sealing ring 204. The third section 103 of the first sleeve 10 is located at one end (right end) of the first sleeve 10, and the fifth section 202 of the second sleeve 20 is located at one end (left end) of the second sleeve 20. At least part of the third section 103 is located within the fifth partial lumen and at least part of the outer circumference of the third section 103 cooperates with the inner circumference of the fifth section 202. Specifically, the outer peripheral surface of the third section 103 is clearance-fitted with the inner peripheral surface of the fifth section 202.
The inner peripheral surface of the fifth section 202 is provided with a third annular groove, the third sealing ring 204 is arranged in the third annular groove, and the third sealing ring 204 is in contact with the outer peripheral surface of the third section 103 so as to separate the fifth part of the tube cavity from the tube cavity of the gas pipeline 1, thereby preventing the gas in the tube cavity of the gas pipeline 1 from entering the tube cavity of the second sleeve 20 and being beneficial to improving the accuracy of gas measurement.
In some embodiments, as shown in fig. 4-11, the in-situ cross-permeation tube 30 type pretreatment device based on gas circumfluence according to embodiments of the present invention further comprises a first tight-pushing tube 100, a second tight-pushing tube 120, an elastic member 130, a first anti-loose thread insert 140, a second anti-loose thread insert 150, and a fourth sealing ring 1201.
The first caulking pipe 100 is arranged in the second partial pipe cavity, part of the outer peripheral surface of the first caulking pipe 100 is connected with the inner peripheral surface of the second section 102, and the end surface of the first caulking pipe 100 adjacent to one end of the second sleeve 20 is in contact with the end surface of the first connecting section 81 far from one end of the second sleeve 20.
A part of the second caulking tube 120 is provided in the fourth partial tube cavity, the other part of the second caulking tube 120 is provided in the sixth partial tube cavity, and a part of the outer circumferential surface of the other part of the second caulking tube 120 is connected to the inner circumferential surface of the sixth section 203. The elastic member 130 is located between the second tightening pipe 120 and the second mounting pipe 90 along the axial direction of the first sleeve 10, the end surface of one end of the second tightening pipe 120, which is close to the first sleeve 10, abuts against the end surface of one end of the elastic member 130, which is far away from the first sleeve 10, and the end surface of one end of the second mounting pipe 90, which is far away from the first sleeve 10, abuts against the end surface of one end of the elastic member 130, which is close to the first sleeve 10.
The elastic member 130 has a circular hole, and the circular hole of the elastic member 130 communicates the lumen of the second mounting tube 90 and the lumen of the second knock-up tube 120. The elastic member 130 may be a rubber seal or other elastic sealing member.
Specifically, a part of the outer peripheral surface of the first caulking pipe 100 is provided with threads, a part of the inner peripheral surface of the second section 102 is also provided with threads, and a part of the outer peripheral surface of the first caulking pipe 100 is screwed with a part of the inner peripheral surface of the second section 102. The outer peripheral surface of the first anti-loose thread insert 140 is provided with threads, the first anti-loose thread insert 140 is arranged at the left end of the first jacking pipe 100, and the outer peripheral surface of the first anti-loose thread insert 140 is in threaded connection with part of the inner peripheral surface of the second section 102, so that the first jacking pipe 100 can be prevented from being loosened.
A part of the outer circumferential surface of the other part of the second caulking pipe 120 is provided with a screw thread, a part of the inner circumferential surface of the sixth section 203 is provided with a screw thread, and a part of the outer circumferential surface of the other part of the second caulking pipe 120 is screw-coupled with a part of the inner circumferential surface of the sixth section 203. The outer peripheral surface of the second anti-loose thread insert 150 is provided with threads, the second anti-loose thread insert 150 is arranged at the right end of the second jacking pipe 120, and the outer peripheral surface of the second anti-loose thread insert 150 is in threaded connection with part of the inner peripheral surface of the sixth section 203, so that the second jacking pipe 120 can be prevented from being loosened.
Therefore, the first and second caulking pipes 100 and 120 can position the permeation tube 30 in the left-right direction, which is advantageous for improving the stability of gas measurement.
As shown in fig. 2, 4, 6 and 7, the in-situ interpenetration permeation tube 30 type pretreatment device based on gas bypass flow of the embodiment of the present invention further includes a first shielding member 14 and a second shielding member 15. The first prevention piece 14 and the second prevention piece 15 are opposed to each other in the radial direction of the first sleeve 10, the first through hole 104 and the second through hole 105 are both long holes, and the length direction of the first through hole 104 and the length direction of the second through hole 105 are both parallel to the length direction of the first sleeve 10.
One end of the first prevention piece 14 is located on one side (upper side) in the width direction of the first through hole 104 and connected to the first sleeve 10, the other end of the first prevention piece 14 is located on the other side (lower side) in the width direction of the first through hole 104 and connected to the first sleeve 10, and a side (rear side) of the first prevention piece 14 adjacent to the second prevention piece 15 is in contact with the outer circumferential surface of the penetration pipe 30.
One end of the second prevention piece 15 is located on one side (upper side) in the width direction of the second through hole 105 and connected to the first sleeve 10, the other end of the second prevention piece 15 is located on the other side (lower side) in the width direction of the second through hole 105 and connected to the first sleeve 10, and a side (front side) of the second prevention piece 15 adjacent to the first prevention piece 14 is in contact with the outer peripheral surface of the penetration pipe 30.
Therefore, the first guard 14 and the second guard 15 can position the permeation tube 30 in the front-rear direction, which is advantageous for improving the stability of gas measurement.
As shown in fig. 9 and 11, a portion of the second caulking pipe 120 is provided with a fourth annular groove on its outer circumferential surface, a fourth sealing ring 1201 is provided in the fourth annular groove, and the fourth sealing ring 1201 is in contact with the inner circumferential surface of the fourth segment 201. Therefore, the fourth sealing ring 1201 and the third sealing ring 204 can jointly play a sealing role, so that gas in the tube cavity of the gas pipeline 1 can be prevented from entering the tube cavity of the second sleeve 20, and the accuracy of gas measurement can be improved.
In some embodiments, as shown in fig. 4, 6, 7, 8, and 10, an in situ interpenetration permeation tube 30 based on gas bypass of embodiments of the present invention further comprises a purge tube 13.
An annular cavity 110 is formed between the outer peripheral surface of the first puller tube 100 and the inner peripheral surface of the second section 102, a third through hole 1001 for communicating the cavity of the first puller tube 100 with the annular cavity 110 is formed in the tube wall of the first puller tube 100, the purging tube 13 is connected with the outer peripheral surface of the second section 102, and a fourth through hole 1021 for communicating the annular cavity 110 with the cavity of the purging tube 13 is formed in the tube wall of the second section 102.
Therefore, the in-situ cross-permeation tube 30 type pretreatment device based on gas bypass flow can utilize the blowback gas of the purging tube 13 to purge the permeation tube 30.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An in-situ cross-permeation tubular pretreatment device based on gas bypass flow, comprising:
the first sleeve is provided with a first through hole and a second through hole, each of the first through hole and the second through hole can be communicated with a first part of the tube cavity of the first sleeve and the tube cavity of the gas pipeline, and the first through hole and the second through hole are opposite to each other along the radial direction of the first sleeve;
a second sleeve, one end of the second sleeve in the length direction is suitable for extending into the lumen of the gas pipeline, the length direction of the first sleeve is parallel to the length direction of the second sleeve, and the one end of the first sleeve is connected with the one end of the second sleeve so as to communicate the lumen of the first sleeve with the lumen of the second sleeve;
a penetration pipe, at least a part of which is arranged in the lumen of the first sleeve, so that the lumen of the penetration pipe is communicated with the lumen of the second part of the first sleeve and the lumen of the second sleeve, and at least a part of which is arranged between the first through hole and the second through hole along the radial direction of the first sleeve, so that the gas in the gas pipeline enters the lumen of the penetration pipe; and
a seal for obstructing the first partial lumen of the first cannula and the second partial lumen of the first cannula and obstructing the first partial lumen of the first cannula and the lumen of the second cannula.
2. The in-situ cross-permeation tube type pretreatment device based on gas bypass flow, according to claim 1, further comprising a first installation tube and a second installation tube, wherein at least part of the first installation tube and at least part of the second installation tube are both arranged in the tube cavity of the first sleeve, the first installation tube and the second installation tube are arranged oppositely in the length direction of the first sleeve,
one end of the permeation tube in the length direction is connected with the first installation tube, the tube cavity of the first installation tube is communicated with the tube cavity of the first sleeve and the tube cavity of the permeation tube,
the other end of the permeation tube in the length direction is connected with the second installation tube, and the tube cavity of the second installation tube is communicated with the tube cavity of the second sleeve and the tube cavity of the permeation tube.
3. The in-situ cross-over permeate tube pretreatment device based on gas bypass flow according to claim 2, wherein the sealing element comprises a first sealing ring and a second sealing ring,
the outer peripheral surface of the first mounting pipe is provided with a first annular groove, the first sealing ring is arranged in the first annular groove and is in contact with the inner peripheral surface of the first sleeve so as to block the first partial pipe cavity of the first sleeve and the second partial pipe cavity of the first sleeve,
the outer peripheral surface of the second mounting pipe is provided with a second annular groove, the second sealing ring is arranged in the second annular groove, and the second sealing ring is in contact with the inner peripheral surface of the first sleeve so as to block the first partial pipe cavity of the first sleeve and the pipe cavity of the second sleeve.
4. The in-situ counter-penetration tubular pretreatment device based on gas bypass according to claim 3, wherein the first sleeve comprises a first section, a second section and a third section, the lumen of the first section forms the first partial lumen, the lumen of the second section forms the second partial lumen, the lumen of the third section is a third partial lumen, the first partial lumen is located between the second partial lumen and the third partial lumen along the axial direction of the first sleeve, and the first partial lumen, the second partial lumen and the third partial lumen form the lumen of the first sleeve,
the second sleeve comprises a fourth section, a fifth section and a sixth section, the lumen of the fourth section is a fourth partial lumen, the lumen of the fifth section is a fifth partial lumen, the lumen of the sixth section is a sixth partial lumen, the fourth partial lumen is located between the fifth partial lumen and the sixth partial lumen along the axial direction of the second sleeve, and the fourth partial lumen, the fifth partial lumen and the sixth partial lumen form the lumen of the second sleeve.
5. The in-situ cross-permeation tube type pretreatment device based on gas bypassing of claim 4, wherein a radial dimension of the first partial tube cavity is smaller than a radial dimension of the second partial tube cavity, the first installation tube comprises a first connection section and a second connection section, the radial dimension of the first connection section is larger than the radial dimension of the second connection section, the first connection section is arranged in the second partial tube cavity, the second connection section is arranged in the first partial tube cavity, the first annular groove is arranged on an outer circumferential surface of the first connection section, and at least a part of the second installation tube is arranged in the third partial tube cavity.
6. The in-situ cross-permeation tube type pretreatment device based on gas bypassing of claim 4, further comprising a third sealing ring, wherein the third section of the first sleeve is located at the one end of the first sleeve, the fifth section of the second sleeve is located at the one end of the second sleeve, at least a part of the third section is located in the fifth partial tube cavity, at least a part of the outer circumferential surface of the third section is matched with the inner circumferential surface of the fifth section, the inner circumferential surface of the fifth section is provided with a third annular groove, the third sealing ring is arranged in the third annular groove, and the third sealing ring is in contact with the outer circumferential surface of the third section so as to block the fifth partial tube cavity from the tube cavity of the gas pipeline.
7. The in-situ cross-permeation tube type pretreatment device based on gas bypassing of claim 5, further comprising a first tightening tube, a second tightening tube and an elastic member, wherein the first tightening tube is disposed in the second partial tube cavity, and a part of the outer circumferential surface of the first tightening tube is connected with the inner circumferential surface of the second section, and the end surface of the first tightening tube adjacent to one end of the second sleeve is in contact with the end surface of the first connecting section far from one end of the second sleeve,
one part of the second jacking pipe is arranged in the fourth pipe cavity, the other part of the second jacking pipe is arranged in the sixth pipe cavity, part of the outer peripheral surface of the other part of the second jacking pipe is connected with the inner peripheral surface of the sixth section, the elastic piece is positioned between the second jacking pipe and the second mounting pipe along the axial direction of the first sleeve, the end surface of the second jacking pipe, which is close to one end of the first sleeve, is abutted against the end surface of the elastic piece, which is far away from one end of the first sleeve, and the end surface of the second mounting pipe, which is far away from one end of the first sleeve, is abutted against the end surface of the elastic piece, which is close to one end of the first sleeve.
8. The in-situ cross-permeation tube type pretreatment device based on gas bypass flow, according to claim 7, further comprising a fourth sealing ring, wherein a fourth annular groove is formed in an outer circumferential surface of the portion of the second jacking tube, the fourth sealing ring is arranged in the fourth annular groove, and the fourth sealing ring is in contact with an inner circumferential surface of the fourth section.
9. The in-situ cross-permeation tubular pretreatment device based on gas circumfluence, according to claim 7, further comprising a purging tube, wherein an annular cavity is formed between the outer circumferential surface of the first tightening tube and the inner circumferential surface of the second section, a third through hole for communicating the tubular cavity of the first tightening tube and the annular cavity is formed in the tubular wall of the first tightening tube, the purging tube is connected with the outer circumferential surface of the second section, and a fourth through hole for communicating the annular cavity and the tubular cavity of the purging tube is formed in the tubular wall of the second section.
10. The in-situ cross-permeation tubular pretreatment device based on gas bypass flow according to any one of claims 1 to 9, further comprising a first shielding member and a second shielding member, wherein the first shielding member and the second shielding member are opposite to each other in a radial direction of the first sleeve, the first through hole and the second through hole are both long holes, a length direction of the first through hole and a length direction of the second through hole are both parallel to a length direction of the first sleeve,
one end of the first prevention piece is located on one side in the width direction of the first through hole and connected to the first sleeve, the other end of the first prevention piece is located on the other side in the width direction of the first through hole and connected to the first sleeve, a side surface of the first prevention piece adjacent to the second prevention piece is in contact with the outer circumferential surface of the permeation tube,
one end of the second shielding member is located on one side in the width direction of the second through hole and connected to the first sleeve, the other end of the second shielding member is located on the other side in the width direction of the second through hole and connected to the first sleeve, and a side surface of the second shielding member adjacent to the first shielding member is in contact with the outer circumferential surface of the permeation tube.
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| CN202110626076.5A CN113551097B (en) | 2021-06-04 | 2021-06-04 | In-situ cross-penetration tubular pretreatment device based on gas streaming |
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| US20030145661A1 (en) * | 2002-02-06 | 2003-08-07 | Thomas Taranto | Gas parameter sensing apparatus and method |
| CN106124406B (en) * | 2016-08-23 | 2020-01-03 | 合肥金星机电科技发展有限公司 | In-situ detection device for flue gas |
| US11077406B2 (en) * | 2016-08-26 | 2021-08-03 | Foshan Shunde Midea Water Dispenser Mfg. Co., Ltd. | Central tube set, spiral wound reverse osmosis membrane component, and reverse osmosis water purifier |
| CN206184225U (en) * | 2016-11-23 | 2017-05-24 | 铜陵蓝光电子科技有限公司 | A high temperature sample gas filter for ammonia escape on -line monitoring system |
| CN206479446U (en) * | 2016-12-28 | 2017-09-08 | 广州卓博机电科技有限公司 | Mounting structure for TDLS the escaping of ammonia analyzers |
| CN207020065U (en) * | 2017-04-08 | 2018-02-16 | 国网江西省电力公司电力科学研究院 | A kind of coal steam-electric plant smoke escape ammonia on-Line Monitor Device |
| CN108132216B (en) * | 2017-12-26 | 2023-06-30 | 聚光科技(杭州)股份有限公司 | Single-end in-situ pipeline gas detection device and working method thereof |
| CN112683833B (en) * | 2020-12-17 | 2023-05-30 | 北京新叶科技有限公司 | Flue gas monitoring device |
| CN112729974B (en) * | 2020-12-22 | 2022-02-18 | 清华大学 | High-temperature high-dust corrosion-resistant anti-blocking sampling device for water-cooled wall of pulverized coal boiler and mounting method |
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