CN111157297A - Waste gas sample collection device - Google Patents

Waste gas sample collection device Download PDF

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Publication number
CN111157297A
CN111157297A CN201911417978.7A CN201911417978A CN111157297A CN 111157297 A CN111157297 A CN 111157297A CN 201911417978 A CN201911417978 A CN 201911417978A CN 111157297 A CN111157297 A CN 111157297A
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CN
China
Prior art keywords
joint
pipe
elbow
support
connecting rod
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Pending
Application number
CN201911417978.7A
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Chinese (zh)
Inventor
王瑞平
陈兰
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Jiangsu Yunfeng Testing Co Ltd
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Jiangsu Yunfeng Testing Co Ltd
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Priority to CN201911417978.7A priority Critical patent/CN111157297A/en
Publication of CN111157297A publication Critical patent/CN111157297A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44Sample treatment involving radiation, e.g. heat
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/2247Sampling from a flowing stream of gas
    • G01N1/2258Sampling from a flowing stream of gas in a stack or chimney
    • G01N2001/2261Sampling from a flowing stream of gas in a stack or chimney preventing condensation (heating lines)

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a waste gas sample collecting device, which comprises: the device comprises a support, a short pipe assembly, a sampling head assembly, a left half ring, a right half ring, a negative rubber mat, a connecting rod assembly, an air valve support, a left reinforcing rib, a right reinforcing rib, an air control valve, an upper cover shell, an asbestos mat, a heating pipe, a platinum resistor, a flange head sleeve, an inner hexagon bolt, a fat pipe, a first bent pipe, a third bent pipe, a stainless steel joint, a plate penetrating joint, a fourth bent pipe, a three-way joint, a second bent pipe, a one-way valve and a fifth bent pipe. The invention can prevent the problem of gas condensation in the sampling process and also protect the personal safety through the safety device.

Description

Waste gas sample collection device
Technical Field
The invention belongs to the field of environmental research and monitoring and the field of waste gas sampling, and particularly relates to a waste gas sample collecting device.
Background
With the development of society, environmental pollution is increasingly serious, and the environmental protection awareness of people is increasingly strengthened. All countries have strict regulations on the exhaust emission standards of enterprises, and the exhaust can be discharged only when the exhaust emission standards are met. Various waste gas sampling devices are needed to collect and detect waste gas discharged by enterprises.
However, some problems are found to exist with the use process
1. In the sampling process, gas is easy to condense and is adsorbed on the inner wall of the sampling head;
2. when taking a sample next time, must wash sampling device, extravagant a lot of manpower and materials.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that gas is easy to condense in the sampling process and needs to be disassembled for cleaning when being repeatedly used.
In order to solve the technical problems, the invention adopts the following technical scheme: an exhaust sample collection device comprising: a bracket, a short pipe component, a sampling head component, a left semi-ring, a right semi-ring, a negative rubber mat, a connecting rod component, an air valve bracket, a left reinforcing rib, a right reinforcing rib, an air control valve, an upper cover shell, an asbestos mat, a heating pipe, a platinum resistor, a flange head sleeve, an inner hexagon bolt, a fat pipe, a first bent pipe, a third bent pipe, a stainless steel joint, a plate penetrating joint, a fourth bent pipe, a three-way joint, a second bent pipe, a one-way valve and a fifth bent pipe,
the short pipe assembly comprises a flange, a short pipe and a pipe seat, and the flange and the pipe seat are respectively fixed on two sides of the short pipe;
the connecting rod assembly comprises an air port seat, a connecting rod, rubber pads, a filter element and spherical screws, the connecting rod penetrates through the filter element, the rubber pads are arranged at two ends of the filter element, and the spherical screws and the air port seat are respectively fixed at the left side and the right side of the filter element;
the negative rubber mat is fixed on the left side of the air port seat of the connecting rod assembly, then the whole short pipe assembly penetrates through the right side of the short pipe assembly until the negative rubber mat is contacted with the pipe seat, and then the connecting rod assembly and the short pipe assembly are fixed through the hexagon socket head cap screw;
the two heating pipes are respectively arranged in the left half ring and the right half ring, wherein the left half ring is also provided with a platinum resistor, the right half ring provided with the heating pipes and the left half ring provided with the heating pipes and the platinum resistor wrap the connecting rod component, the left side of the connecting rod component is fixed by a screw after being contacted with the flange of the short pipe component,
the air valve support is fixed at the center of the right semi-ring, and the air control valve is fixed on the air valve support;
the sampling head assembly comprises a joint, a sampling head and a silica gel pad, the joint is installed at the right end of the sampling head, and the silica gel pad is installed at the joint. The end of the sampling head component provided with the silica gel pad penetrates through the central hole on the bracket until the silica gel pad is contacted with the bracket, and the sampling head component is fastened with the installed part through a joint of the sampling head component;
the asbestos pad is circular, and the hole on centre of a circle and the support is concentric, installs in the support left side, the flange headgear is installed in the asbestos pad left side, fastens the flange headgear, the asbestos pad, the flange of support and nozzle stub subassembly through the bolt.
Furthermore, the number of the stainless steel joints is 5, one stainless steel joint is arranged at the top of the pneumatic control valve, two stainless steel joints are arranged at the bottom of the pneumatic control valve, one stainless steel joint is arranged at the bottom of the pipe seat of the short pipe assembly, and one stainless steel joint is arranged at the right side of the air port seat of the connecting rod assembly.
Further, the first elbow is installed at the top of the pneumatic control valve through a stainless steel joint at the top of the pneumatic control valve, the third elbow is installed at the top of the air port seat through a stainless steel joint of an air port seat of the connecting rod assembly, a three-way joint is installed between the first elbow and the third elbow, the fourth elbow is installed on the three-way joint, the fifth elbow is installed at the bottom of a pipe seat of the short pipe assembly through a stainless steel joint at the bottom of a pipe seat of the short pipe assembly, a three-way joint is installed between the fourth elbow and the fifth elbow, the second elbow is installed on the three-way joint, a one-way valve is installed on the fourth elbow, a one-way valve is installed on the second elbow, and an inflated pipe is installed on.
Furthermore, the plate penetrating joint is fixed at the bottom of the support, and the fat tube is connected with the plate penetrating joint at the upper end of the support. The left reinforcing rib and the right reinforcing rib are respectively fixed at the bottom of the support and used for reinforcing, and the upper cover shell covers the support.
The working process of the invention is as follows: control current device through gas accuse valve and carry out gas sampling or carry out the washing of device, when the sampling, open the heating pipe, prevent that gas sampling in-process from condensing, adsorb on sampling device, platinum resistance can prevent overheated problem simultaneously, effectively protects personal safety. When the device is cleaned. The inner wall of the device can be effectively cleaned by opening the one-way valve and adjusting the pneumatic control valve to be in a cleaning state.
The invention has the beneficial effects that:
1. the gas is heated, so that the gas is effectively prevented from being condensed, and the personal safety is effectively protected through safety measures;
2. the device can be conveniently cleaned, and labor is not wasted in dismounting the device.
Drawings
FIG. 1 is a front view of an exhaust sample collection device according to the present invention;
FIG. 2 is a schematic view of a short tube assembly of the exhaust sample collection device of the present invention.
FIG. 3 is a schematic view of a sampling head assembly of the exhaust sample collection device of the present invention.
Fig. 4 is a schematic view of a connecting rod assembly of the exhaust sample collection device of the present invention.
FIG. 5 is a schematic view of the heater tube and platinum resistor of the exhaust gas sample collection device of the present invention.
In the figure: 1 sampling head assembly, 101 sampling head, 102 joints, 103 silica gel pads, 2 flange head sleeves, 3 asbestos pads, 4 upper cover shells, 5 plate penetrating joints, 6 supports, 7 left reinforcing ribs, 8 short pipe assemblies, 801 flanges, 802 short pipes, 803 pipe supports, 9 left half rings, 10 right half rings, 11 negative direction rubber pads, 12 connecting rod assemblies, 1201 air port seats, 1202 connecting rods, 1203 rubber pads, 1204 filter elements, 1205 spherical screws, 13 air valve supports, 14 air control valves, 15 right reinforcing ribs, 16 heating pipes, 17 platinum resistors, 18 hexagon socket head bolts, 19 fat pipes, 20 first bent pipes, 21 third bent pipes, 22 stainless steel joints, 23 fourth bent pipes, 24 three-way joints, 25 second bent pipes, 26 one-way valves and 27 fifth bent pipes.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an exhaust gas sample collecting device is characterized in that: the method comprises the following steps: the device comprises a support 6, a short pipe assembly 8, a sampling head assembly 1, a left half ring 9, a right half ring 10, a negative rubber mat 11, a connecting rod assembly 12, an air valve support 13, a left reinforcing rib 7, a right reinforcing rib 15, an air control valve 14, an upper cover shell 4, an asbestos mat 3, a heating pipe 16, a platinum resistor 17, a flange head sleeve 2, an inner hexagon bolt 18, a fat pipe 19, a first bent pipe 20, a third bent pipe 21, a stainless steel joint 22, a plate penetrating joint 5, a fourth bent pipe 23, a three-way joint 24, a second bent pipe 25, a one-way valve 26 and a fifth bent pipe 27.
As shown in fig. 2, an exhaust gas sample collecting device is characterized in that: the short pipe assembly (8) comprises a flange 801, a short pipe 802 and a pipe seat 803, wherein the flange 801 and the pipe seat 803 are respectively fixed on two sides of the short pipe 802.
As shown in fig. 3, an exhaust gas sample collecting device is characterized in that: the sampling head assembly (1) comprises a joint 102, a sampling head 101 and a silica gel pad 103, wherein the joint 102 is installed at the right end of the sampling head 101, and the silica gel pad 103 is installed at the joint 102. The end of the sample head assembly 1 to which the silicone pad 103 is attached passes through the central hole in the bracket 6 until the silicone pad 103 contacts the bracket 6 and is fastened to the already attached part by the joint 102 of the sample head assembly 1.
As shown in fig. 4, an exhaust gas sample collecting device is characterized in that: the connecting rod assembly 12 comprises a gas port seat 1201, a connecting rod 1202, a rubber pad 1203, a filter element 1204 and a spherical screw 1205, wherein the connecting rod 1202 penetrates through the filter element 1204, the rubber pads 1203 are arranged at two ends of the filter element 1204, and the spherical screw 1205 and the gas port seat 1201 are respectively fixed at the left side and the right side of the filter element 1204.
As shown in fig. 5, an exhaust gas sample collecting device is characterized in that: the two heating pipes 16 are respectively arranged in the left half ring 9 and the right half ring 10, wherein the left half ring 9 is also provided with a platinum resistor 17, the right half ring 10 provided with the heating pipe 16 and the left half ring 9 provided with the heating pipe 16 and the platinum resistor 17 wrap the connecting rod component 12, and the left side is fixed by screws after being contacted with the flange 801 of the short pipe component 8.
In practical application, the negative rubber pad 11 is fixed on the left side of the air port seat 1201 of the connecting rod assembly 12, then the whole short pipe assembly 8 passes through the right side until the negative rubber pad 11 is contacted with the pipe seat 803, and then the connecting rod assembly 12 and the short pipe assembly 8 are fixed through the hexagon socket head cap screw 18.
In practical application, the air valve support 13 is fixed at the center of the right half ring 10, and the air control valve 14 is fixed on the air valve support 13.
In practical application, asbestos pad 3 is circular, and the hole on centre of a circle and the support 6 is concentric, installs in the 6 left sides of support, flange headgear 2 installs in asbestos pad 3 left sides, fastens flange headgear 2, asbestos pad 3, support 6 and nozzle stub subassembly 8's flange 801 through the bolt.
In practical application, the number of the stainless steel joints 22 is 5, one is arranged at the top of the pneumatic control valve 14, two are arranged at the bottom of the pneumatic control valve 14, one is arranged at the bottom of the pipe seat 803 of the short pipe assembly 8, and one is arranged at the right side of the air port seat 1201 of the connecting rod assembly 12.
In practical application, the first elbow 20 is installed on the top of the pneumatic control valve 14 through the stainless steel joint 22 on the top of the pneumatic control valve 14, the third elbow 21 is installed on the top of the air port base 1201 through the stainless steel joint 22 on the air port base 1201 of the connecting rod assembly 12, a three-way joint 24 is installed between the first elbow 20 and the third elbow 21, the fourth elbow 23 is installed on the three-way joint 24, the fifth elbow 27 is installed on the bottom of the pipe base 803 of the short pipe assembly 8 through the stainless steel joint 22 on the bottom of the pipe base 803 of the short pipe assembly 8, the three-way joint 24 is installed between the fourth elbow 23 and the fifth elbow 27, the second elbow 25 is installed on the three-way joint 24, the fourth elbow 23 is installed with the check valve 26, the second elbow 25 is installed with the check valve 26, and the fat pipe 19 is installed. The plate penetrating joint 5 is fixed at the bottom of the bracket 6, and the fat tube 19 is connected with the plate penetrating joint 5 at the upper end of the bracket 6. The left reinforcing rib 7 and the right reinforcing rib 15 are respectively fixed at the bottom of the bracket 6 for reinforcement, and the upper cover shell 4 covers the bracket 6.
The working process of the invention is as follows: whether the current device carries out gas sampling or carries out the washing of device is controlled through gas accuse valve 14, and when sampling, open heating pipe 16, prevent that the condensation in the gas sampling process from adsorbing on the sampling device, platinum resistance 17 can prevent overheated problem simultaneously, effectively protects personal safety. When the device is cleaned. The inner wall of the device can be effectively cleaned by opening the one-way valve 16 and adjusting the pneumatic control valve 14 to be in a cleaning state.
In conclusion, the invention can prevent the gas condensation problem in the sampling process, protect the personal safety through the safety device, and can carry out back flushing after being used once through the control of the pneumatic control valve 14 to clean the device, thereby fully solving the existing technical problems.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.

Claims (10)

1. The utility model provides an exhaust gas sample collection system which characterized in that: the method comprises the following steps: support (6), nozzle stub subassembly (8), sample head subassembly (1), left semi-ring (9), right semi-ring (10), negative direction cushion (11), connecting rod subassembly (12), pneumatic valve support (13), left strengthening rib (7), right strengthening rib (15), gas accuse valve (14), upper cover casing (4), asbestos pad (3), heating pipe (16), platinum resistance (17), flange headgear (2), hexagon socket head cap screw (18), fat pipe (19), first return bend (20), third return bend (21), stainless steel joint (22), wear plate joint (5), fourth return bend (23), three way connection (24), second return bend (25), check valve (26), fifth return bend (27).
2. An exhaust gas sample collection device according to claim 1, wherein: the short pipe assembly (8) comprises a flange (801), a short pipe (802) and a pipe seat (803), and the flange (801) and the pipe seat (803) are respectively fixed on two sides of the short pipe (802).
3. An exhaust gas sample collection device according to claim 1, wherein: the connecting rod assembly (12) comprises an air port seat (1201), a connecting rod (1202), rubber pads (1203), a filter element (1204) and spherical screws (1205), the connecting rod (1202) penetrates through the filter element (1204), the rubber pads (1203) are installed at two ends of the filter element (1204), and the spherical screws (1205) and the air port seat (1201) are respectively fixed at the left side and the right side of the filter element (1204).
4. An exhaust gas sample collection device according to claim 1, wherein: the negative direction rubber mat (11) is fixed on the left side of an air port seat (1201) of the connecting rod assembly (12), then the whole short pipe assembly (8) penetrates through the right side of the short pipe assembly until the negative direction rubber mat (11) is contacted with a pipe seat (803), and then the connecting rod assembly (12) and the short pipe assembly (8) are fixed through the inner hexagonal bolt (18).
5. An exhaust gas sample collection device according to claim 1, wherein: the two heating pipes (16) are respectively arranged in the left half ring (9) and the right half ring (10), wherein the left half ring (9) is also provided with a platinum resistor (17), the right half ring (10) provided with the heating pipe (16) and the left half ring (9) provided with the heating pipe (16) and the platinum resistor (17) wrap the connecting rod component (12), and the left side and the flange (801) of the short pipe component (8) are fixed by screws after being contacted.
6. An exhaust gas sample collection device according to claim 1, wherein: the air valve support (13) is fixed at the center of the right half ring (10), and the air control valve (14) is fixed on the air valve support (13).
7. An exhaust gas sample collection device according to claim 1, wherein: the sampling head assembly (1) comprises a joint (102), a sampling head (101) and a silica gel pad (103), wherein the joint (102) is installed at the right end of the sampling head (101), and the silica gel pad (103) is installed at the joint (102). The head of the sampling head component (1) provided with the silica gel pad (103) passes through the central hole on the bracket (6) until the silica gel pad (103) is contacted with the bracket (6), and is fastened with the installed part through a joint (102) of the sampling head component (1).
8. An exhaust gas sample collection device according to claim 1, wherein: asbestos pad (3) are circular, and the hole on centre of a circle and support (6) is concentric, installs in support (6) left side, install in asbestos pad (3) left side flange headgear (2), fasten flange headgear (2), asbestos pad (3), support (6) and flange (801) of nozzle stub subassembly (8) through the bolt.
9. An exhaust gas sample collection device according to claim 1, wherein: the number of the stainless steel joints (22) is 5, the top of the pneumatic control valve (14) is provided with one, the bottom of the pneumatic control valve (14) is provided with two, the bottom of the tube seat (803) of the short tube component (8) is provided with one, and the right side of the air port seat (1201) of the connecting rod component (12) is provided with one.
10. An exhaust gas sample collection device according to claim 1, wherein: the first elbow (20) is installed at the top of the pneumatic control valve (14) through a stainless steel joint (22) at the top of the pneumatic control valve (14), the third elbow (21) is installed at the top of the air port seat (1201) through the stainless steel joint (22) of the air port seat (1201) of the connecting rod assembly (12), a three-way joint (24) is installed between the first elbow (20) and the third elbow (21), the fourth elbow (23) is installed on the three-way joint (24), the fifth elbow (27) is installed at the bottom of a pipe seat (803) of the short pipe assembly (8) through the stainless steel joint (22) at the bottom of the pipe seat (803) of the short pipe assembly (8), the three-way joint (24) is installed between the fourth elbow (23) and the fifth elbow (27), the second elbow (25) is installed on the three-way joint (24), the fourth elbow (23) is provided with a one-way valve (26), and the second elbow (25) is provided with the one-way, the fat tube (19) is arranged on the one-way valve (26). The plate penetrating joint (5) is fixed at the bottom of the support (6), and the fat pipe (19) is connected with the plate penetrating joint (5) at the upper end of the support (6). The left reinforcing rib (7) and the right reinforcing rib (15) are respectively fixed at the bottom of the support (6) and used for reinforcing, and the upper cover shell (4) covers the support (6).
CN201911417978.7A 2019-12-31 2019-12-31 Waste gas sample collection device Pending CN111157297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911417978.7A CN111157297A (en) 2019-12-31 2019-12-31 Waste gas sample collection device

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Application Number Priority Date Filing Date Title
CN201911417978.7A CN111157297A (en) 2019-12-31 2019-12-31 Waste gas sample collection device

Publications (1)

Publication Number Publication Date
CN111157297A true CN111157297A (en) 2020-05-15

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Application Number Title Priority Date Filing Date
CN201911417978.7A Pending CN111157297A (en) 2019-12-31 2019-12-31 Waste gas sample collection device

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CN (1) CN111157297A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002014016A (en) * 2000-06-29 2002-01-18 Hitachi Ltd Exhaust gas introducing apparatus
KR20110029838A (en) * 2009-09-16 2011-03-23 한국환경공단 Sample exhaust gas extraction apparatus
CN208766017U (en) * 2018-06-14 2019-04-19 深圳睿境环保科技有限公司 A kind of marine exhaust acquisition device
CN209264372U (en) * 2018-11-17 2019-08-16 浙江鑫泰检测技术有限公司 A kind of exhaust gas sampling pipe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002014016A (en) * 2000-06-29 2002-01-18 Hitachi Ltd Exhaust gas introducing apparatus
KR20110029838A (en) * 2009-09-16 2011-03-23 한국환경공단 Sample exhaust gas extraction apparatus
CN208766017U (en) * 2018-06-14 2019-04-19 深圳睿境环保科技有限公司 A kind of marine exhaust acquisition device
CN209264372U (en) * 2018-11-17 2019-08-16 浙江鑫泰检测技术有限公司 A kind of exhaust gas sampling pipe

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Application publication date: 20200515