CN111024572A - Dynamic heating device of outdoor β ray method particulate matter monitor - Google Patents
Dynamic heating device of outdoor β ray method particulate matter monitor Download PDFInfo
- Publication number
- CN111024572A CN111024572A CN201911375120.9A CN201911375120A CN111024572A CN 111024572 A CN111024572 A CN 111024572A CN 201911375120 A CN201911375120 A CN 201911375120A CN 111024572 A CN111024572 A CN 111024572A
- Authority
- CN
- China
- Prior art keywords
- tube
- outdoor
- particulate matter
- heating device
- protective tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- 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
-
- 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
- G01N1/2273—Atmospheric sampling
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention relates to the technical field of atmospheric environment monitoring, in particular to a dynamic heating device for an outdoor β ray method particulate matter monitor, which comprises a sampling tube, a fixed seat, a protective tube head, a sealing cover, a temperature sensor, a heater, a heat-insulating cylinder and an O-shaped sealing ring.
Description
Technical Field
The invention relates to the field of environmental monitoring equipment, in particular to a dynamic heating device of an outdoor β ray method particulate matter monitor.
Background
The research shows that the relative humidity of the sampled gas has great influence on the measurement of the concentration of the particulate matters, so that the humidity of the sampled gas needs to be controlled in the measurement process.
The invention aims to provide a dynamic heating device for an outdoor β ray method particulate matter monitor, which can dynamically heat sampling gas in an outdoor sampling tube of the particulate matter monitor, so that the relative humidity of the sampling gas can be dynamically controlled.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the dynamic heating device for the outdoor β -ray particulate matter monitor is characterized by comprising a protective tube and a sampling tube, wherein the sampling tube coaxially penetrates through the protective tube, a fixing seat is coaxially fixed in one axial end of the protective tube, a protective tube head is coaxially connected to the other axial end of the protective tube, the fixing seat and the protective tube head are respectively coaxially sleeved at the corresponding positions of the sampling tube in a sleeving manner, a heater and a temperature sensor are mounted on the outer surface of a tube section of the sampling tube in the protective tube in a clinging manner, and a power line of the heater and a signal line of the temperature sensor respectively penetrate through the fixing seat and are led out of the protective tube.
The dynamic heating device for the outdoor β ray method particulate matter monitor is characterized in that a plurality of threaded through holes are distributed in the circumferential direction of the fixing seat, the threaded through holes are axially parallel to the radial direction of the fixing seat, jackscrews are screwed into the threaded through holes respectively, the fixing seat is sleeved and fixed at the corresponding position of the sampling tube through the jackscrews, the tube wall at one end, provided for the fixing seat to be installed, of the protection tube is fixedly connected with the fixing seat through countersunk screws, the fixing seat is further provided with U-shaped through holes which penetrate through the fixing seat in the axial direction, and a power line of the heater and a signal line of the temperature sensor are led out from the U-shaped through.
The dynamic heating device for the outdoor β ray method particulate matter monitor is characterized in that the outer wall of the end part of the tube protecting head is provided with external threads, the end part of the tube protecting head is in threaded connection with a sealing cover, the sealing cover is also in close fit with the corresponding position of the sampling tube in a sleeved mode, and an O-shaped sealing ring is arranged at the joint of the sealing cover and the tube protecting head.
The dynamic heating device of the outdoor β ray method particulate matter monitor is characterized in that the heater is an twist-shaped silica gel heating belt, and the silica gel heating belt is tightly attached to the outer surface of a sampling tube wound inside a protective tube.
The dynamic heating device of the outdoor β ray method particulate matter monitor is characterized in that a waist-shaped groove is formed in the outer surface of a sampling pipe in a protective pipe, and the temperature sensor is installed in the waist-shaped groove.
The dynamic heating device for the outdoor β ray method particulate matter monitor is characterized by further comprising a heat-insulating cylinder, wherein the heat-insulating cylinder is coaxially arranged in the protective tube and sleeved outside the sampling tube, the axial end part of the heat-insulating cylinder respectively abuts against the fixed seat and the protective tube head, the outer surface of the heat-insulating cylinder is tightly attached to the inner wall of the protective tube, a gap is formed between the inner wall of the heat-insulating cylinder and the outer wall of the sampling tube, and the heater is accommodated in the gap and is not in contact with the inner wall of the heat-insulating cylinder.
The invention has the beneficial effects that:
the invention relates to a dynamic heating device of an outdoor β -ray method particulate matter monitor, which is a heating device used on an outdoor β -ray method particle monitoring system and can dynamically control the relative humidity of a sampling gas in the monitoring system in real time.
Drawings
Fig. 1 is a schematic structural diagram of a dynamic heating device of an outdoor β ray method particulate matter monitor.
Fig. 2 is a schematic view of the fixing base.
The reference numbers in the figures are: sampling pipe 1, sealed lid 2, O type sealing washer 3, pillar head 4, heat preservation section of thick bamboo 5, pillar 6, heater 7, temperature sensor 8, fixing base 9.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1 and 2, the dynamic heating device for the outdoor β -ray particulate matter monitor comprises a sampling tube 1, a sealing cover 2, an O-shaped sealing ring 3, a protective tube head 4, a heat preservation cylinder 5, a protective tube 6, a heater 7, a temperature sensor 8 and a fixed seat 9.
The fixing seat 9 is provided with two threaded through holes distributed at 90 degrees in the circumferential direction and three blind hole threaded holes uniformly distributed along the circumference. The fixing seat 9 is sleeved on the outer surface of the cylinder of the sampling tube 1, and a jackscrew is screwed into two 90-degree-distributed threaded through holes of the fixing seat 9 to fix the fixing seat 9 on the sampling tube 1. The heater 7 is tightly attached to the cylindrical surface of the sampling tube 1, and as a specific embodiment of the invention, the selected heater 7 is a twist-shaped silica gel heating belt. The heating belt can be tightly attached to the sampling tube, and the heating efficiency of the sampling tube is improved.
The protective tube 6 is arranged on the fixed seat 9 and the cylindrical outer surface of the sampling tube 1, and the heating belt is contained in the protective tube 6 to protect the heating belt from being wetted by rain and snow. Further, the protection tube 6 is fixed in the three blind holes of the fixing seat 9 through countersunk screws. Furthermore, a pipe protecting head 4 is welded at the upper end of the protecting pipe 6, an external thread is arranged on the pipe protecting head 4, and the sealing cover 2 is connected with the pipe protecting head 4 through the thread. Meanwhile, an O-shaped sealing ring 3 is arranged between the sealing cover 2 and the pipe protecting head 4, so that rain and snow can not flow onto the heating belt along the sampling pipe 1, and the safety of the heating belt in the using process is ensured.
Further, 1 surface of sampling pipe is equipped with waist type groove, installs temperature sensor 8 waist type inslot is used for the temperature real time monitoring to sampling pipe 1, prevents that the high temperature from burning out the heating tape.
Furthermore, in order to reduce the heat dissipation of the sampling tube 1 and save energy, a heat-insulating cylinder 5 is arranged in the protective tube 6. In an embodiment of the present invention, the material of the thermal insulation cylinder 5 is NBR. In order to prevent the heating tape from directly contacting with the heat-insulating cylinder 5, the outer diameter of the heat-insulating cylinder 5 is the same as the inner diameter of the protective tube 6, and the inner diameter of the heat-insulating cylinder 5 is slightly larger than the sampling tube 1 wound with the heating tape.
Furthermore, the fixing seat 9 is provided with a U-shaped through hole, so that the wire of the heater 7 and the wire of the temperature sensor 8 can be led out from the protective tube.
The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.
Claims (6)
1. The dynamic heating device for the outdoor β -ray particulate matter monitor is characterized by comprising a protective tube and a sampling tube, wherein the sampling tube coaxially penetrates through the protective tube, a fixing seat is coaxially fixed in one axial end of the protective tube, a protective tube head is coaxially connected to the other axial end of the protective tube, the fixing seat and the protective tube head are respectively coaxially sleeved at the corresponding positions of the sampling tube in a sleeving manner, a heater and a temperature sensor are mounted on the outer surface of a tube section of the sampling tube in the protective tube in a clinging manner, and a power line of the heater and a signal line of the temperature sensor respectively penetrate through the fixing seat and are led out of the protective tube.
2. The dynamic heating device for an outdoor β ray method particulate matter monitor according to claim 1, wherein a plurality of threaded through holes are distributed in the circumferential direction of the fixing base, the threaded through holes are axially parallel to the radial direction of the fixing base, a jackscrew is screwed into each threaded through hole, the fixing base is sleeved and fixed at a corresponding position of the sampling tube through the jackscrew, the tube wall at one end of the protection tube for mounting the fixing base is fixedly connected with the fixing base through a countersunk screw, the fixing base is further provided with a U-shaped through hole which axially penetrates through the fixing base, and a power line of the heater and a signal line of the temperature sensor are respectively led out from the U-shaped through hole.
3. The dynamic heating device for an outdoor β ray-method particulate matter monitor according to claim 1, wherein the outer wall of the end of the tube protector is externally threaded, the end of the tube protector is screwed with a sealing cover, the sealing cover is also tightly sleeved on the corresponding position of the sampling tube, and an O-shaped sealing ring is arranged at the joint of the sealing cover and the tube protector.
4. The dynamic heating device for the outdoor β ray method particulate matter monitor according to claim 1, wherein the heater is a twist-shaped silica gel heating tape, and the silica gel heating tape is tightly attached to the outer surface of the sampling tube wound inside the protective tube.
5. The dynamic heating device for the outdoor β ray-method particulate matter monitor according to claim 1, wherein a waist-shaped groove is formed in an outer surface of the sampling tube inside the protective tube, and the temperature sensor is installed in the waist-shaped groove.
6. The dynamic heating device for the outdoor β ray method particulate matter monitor according to claim 1, further comprising a heat-insulating cylinder, wherein the heat-insulating cylinder is coaxially installed in the protecting tube and sleeved outside the sampling tube, axial end portions of the heat-insulating cylinder respectively abut against the fixing seat and the protecting tube head, the outer surface of the heat-insulating cylinder is tightly attached to the inner wall of the protecting tube, a gap is formed between the inner wall of the heat-insulating cylinder and the outer wall of the sampling tube, and the heater is accommodated in the gap and is not in contact with the inner wall of the heat-insulating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375120.9A CN111024572A (en) | 2019-12-27 | 2019-12-27 | Dynamic heating device of outdoor β ray method particulate matter monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375120.9A CN111024572A (en) | 2019-12-27 | 2019-12-27 | Dynamic heating device of outdoor β ray method particulate matter monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111024572A true CN111024572A (en) | 2020-04-17 |
Family
ID=70196052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911375120.9A Pending CN111024572A (en) | 2019-12-27 | 2019-12-27 | Dynamic heating device of outdoor β ray method particulate matter monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111024572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883502A (en) * | 2021-11-10 | 2022-01-04 | 杭州智兴热电有限公司 | Heat preservation mechanism of circulating fluidized bed boiler |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089861A (en) * | 2014-07-07 | 2014-10-08 | 南通恒力医药设备有限公司 | Heating and dehumidifying device applicable to dust detector |
| CN204101359U (en) * | 2014-09-30 | 2015-01-14 | 安徽蓝盾光电子股份有限公司 | A kind of air sampling on atmosphere particulate matter monitoring instrument is from the warm trace pipe of limit |
| CN204177709U (en) * | 2014-11-05 | 2015-02-25 | 青岛众瑞智能仪器有限公司 | A kind of PM2.5 concentration determination instrument improving Monitoring Data accuracy and filter paper utilization rate |
| CN104697911A (en) * | 2015-03-11 | 2015-06-10 | 贾金柱 | Device and method for continuous online measurement of concentration of wet flue gas particles in coal-fired power plant |
| CN205333479U (en) * | 2015-12-31 | 2016-06-22 | 杭州禾风环境科技有限公司 | Smoke and dust appearance heater |
| CN205333476U (en) * | 2016-02-19 | 2016-06-22 | 安徽庆宇光电科技有限公司 | A self -limiting temperature accompanies heat facility for particulate matter on -line monitoring appearance |
| CN207036623U (en) * | 2017-07-05 | 2018-02-23 | 华润电力（贺州）有限公司 | Be advantageous to improve the flange protection device of particle concentration monitor measurement accuracy |
| CN207675603U (en) * | 2018-01-16 | 2018-07-31 | 青岛和诚环保科技有限公司 | Laser method particle monitoring instrument sampling system |
| CN108709840A (en) * | 2018-07-28 | 2018-10-26 | 太原海纳辰科仪器仪表有限公司 | A kind of β rays particle concentration monitor |
| CN209043671U (en) * | 2018-11-19 | 2019-06-28 | 汇众翔环保科技股份有限公司 | A kind of Novel heating sampling feeler lever |
| CN110608979A (en) * | 2019-09-29 | 2019-12-24 | 朱增秀 | PM2.5 monitor |
-
2019
- 2019-12-27 CN CN201911375120.9A patent/CN111024572A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089861A (en) * | 2014-07-07 | 2014-10-08 | 南通恒力医药设备有限公司 | Heating and dehumidifying device applicable to dust detector |
| CN204101359U (en) * | 2014-09-30 | 2015-01-14 | 安徽蓝盾光电子股份有限公司 | A kind of air sampling on atmosphere particulate matter monitoring instrument is from the warm trace pipe of limit |
| CN204177709U (en) * | 2014-11-05 | 2015-02-25 | 青岛众瑞智能仪器有限公司 | A kind of PM2.5 concentration determination instrument improving Monitoring Data accuracy and filter paper utilization rate |
| CN104697911A (en) * | 2015-03-11 | 2015-06-10 | 贾金柱 | Device and method for continuous online measurement of concentration of wet flue gas particles in coal-fired power plant |
| CN205333479U (en) * | 2015-12-31 | 2016-06-22 | 杭州禾风环境科技有限公司 | Smoke and dust appearance heater |
| CN205333476U (en) * | 2016-02-19 | 2016-06-22 | 安徽庆宇光电科技有限公司 | A self -limiting temperature accompanies heat facility for particulate matter on -line monitoring appearance |
| CN207036623U (en) * | 2017-07-05 | 2018-02-23 | 华润电力（贺州）有限公司 | Be advantageous to improve the flange protection device of particle concentration monitor measurement accuracy |
| CN207675603U (en) * | 2018-01-16 | 2018-07-31 | 青岛和诚环保科技有限公司 | Laser method particle monitoring instrument sampling system |
| CN108709840A (en) * | 2018-07-28 | 2018-10-26 | 太原海纳辰科仪器仪表有限公司 | A kind of β rays particle concentration monitor |
| CN209043671U (en) * | 2018-11-19 | 2019-06-28 | 汇众翔环保科技股份有限公司 | A kind of Novel heating sampling feeler lever |
| CN110608979A (en) * | 2019-09-29 | 2019-12-24 | 朱增秀 | PM2.5 monitor |
Non-Patent Citations (2)
| Title |
|---|
| 何强: "《精密电主轴结构分析及测控技术》", 30 April 2018, 河南科学技术出版社 * |
| 才家刚: "《三相异步电动机维修手册》", 31 March 2014, 上海科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883502A (en) * | 2021-11-10 | 2022-01-04 | 杭州智兴热电有限公司 | Heat preservation mechanism of circulating fluidized bed boiler |
| CN113883502B (en) * | 2021-11-10 | 2024-04-12 | 杭州智兴热电有限公司 | Thermal insulation mechanism of circulating fluidized bed boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211696221U (en) | Smoothness detection device for inner wall of communication pipeline | |
| CN111024572A (en) | Dynamic heating device of outdoor β ray method particulate matter monitor | |
| CN201163218Y (en) | Anti-ventilation leakage thermocouple of blast furnace | |
| CN203349930U (en) | Flame-proof integrated flame detector | |
| WO2017096656A1 (en) | Transmitter for online monitoring of moisture, hydrogen content, and temperature of transformer | |
| CN201508242U (en) | Temperature sensor | |
| CN216349220U (en) | Temperature measuring nut for cable connector | |
| CN210862957U (en) | Temperature measuring device of heat treatment furnace | |
| CN214472094U (en) | Whole-process heating sampling probe rod | |
| CN220039953U (en) | Heatable reflow oven gas sampling tube | |
| CN204119339U (en) | A kind of radiation monitoring protective device | |
| CN208238812U (en) | Locking lightweight sensor | |
| CN213929838U (en) | Multi-sealing flange with leakage monitoring function | |
| CN220708573U (en) | Cable temperature monitor | |
| CN216594366U (en) | Quick detach formula sampling probe rod | |
| CN202403953U (en) | Smoke sampling device | |
| CN207661132U (en) | A kind of automatic alarm wound form flange gasket | |
| CN220400235U (en) | Nuclear power plant steam pipeline 16 N leakage rate detection device | |
| CN203672503U (en) | High-pressure detachable temperature sensor device | |
| CN216484851U (en) | Sensor assembly for monitoring underground environment | |
| CN204422075U (en) | A kind of pyroelectric infrared sensor device | |
| CN211602214U (en) | Temperature sensor capable of being screwed to adjust sealing | |
| CN211348122U (en) | Fixed gas detector with probe protection cover | |
| CN219589725U (en) | Perforated fixed heating device | |
| CN220019087U (en) | Novel CEMS flue gas sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |