CN105784122A - High temperature blast hole temperature measuring device and high temperature blast hole temperature measuring method - Google Patents
High temperature blast hole temperature measuring device and high temperature blast hole temperature measuring method Download PDFInfo
- Publication number
- CN105784122A CN105784122A CN201610281564.6A CN201610281564A CN105784122A CN 105784122 A CN105784122 A CN 105784122A CN 201610281564 A CN201610281564 A CN 201610281564A CN 105784122 A CN105784122 A CN 105784122A
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- big gun
- temperature sensor
- gun hole
- purging device
- air purging
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- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000010926 purge Methods 0.000 claims abstract description 71
- 230000004044 response Effects 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 239000000428 dust Substances 0.000 abstract description 9
- 238000009529 body temperature measurement Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 9
- 238000005422 blasting Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/05—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
- G01J5/051—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path using a gas purge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
Abstract
The invention discloses a high temperature blast hole temperature measuring device and a high temperature blast hole temperature measuring method. The device comprises an infrared temperature sensor, a cable, an air purge device, a heat-resisting pipe, an air pump, a display instrument and a weight. One end of the heat-resisting pipe is connected to the air pump and the other end is connected to the air purge device. The infrared temperature sensor is fixed in the air purge device. An infrared emission port position of the infrared temperature sensor corresponds to a purge port position of the air purge device. One end of the cable is connected to the display instrument and the other end passes through the heat-resisting pipe and then is connected to the infrared temperature sensor. The weight is fixed below the air purge device. In the invention, the infrared temperature sensor is used to increase temperature measurement response time; hole wall temperatures with different depths of a blast hole can be rapidly scanned and measured; through the air pump, air is continuously filled in the heat-resisting pipe so as to cool the cable and the infrared temperature sensor; and through the air purge device, dust or water vapor in the blast hole can be blown away and then the hole wall temperatures of the blast hole can be measured.
Description
Technical field
The present invention relates to a kind of temperature measuring equipment, especially one high temperature big gun hole temperature measuring equipment and high temperature big gun hole temp measuring method, belong to blasting engineering technical field.
Background technology
High temperature flame range causes accidental explosion or early quick-fried accident when being easily caused outdoor perforated blasting, completing of production task is peeled off in serious restriction, therefore to ensure blasting excavation safety, needing the profiling temperatures obtained within big gun hole and judge water filling cooling-down effect, namely accurate and effective measures the important prerequisite that the temperature of high temperature blasthole hole wall is the design of high temperature blasting scheme and safe construction tissue.High temperature big gun hole is generally made up of the gas in the country rock at the bottom of hole wall, hole and big gun hole, and therefore the temperature of gas in hole wall or hole is mainly measured in the temperature survey of big gun hole.Whether the measurement body according to the temperature measuring device used contacts with measured medium can be divided into contacting temperature measurement method and the big class of contactless temperature-measuring method two.Traditional thermocouple temperature measurement belongs to contact temperature-measuring, temperature could be obtained after needing to reach thermal balance due to contact temperature-measuring, therefore there is the shortcoming that thermometric response time is slow, additionally thermocouple records is the temperature of big gun hole air, can not completely truly reflecting the temperature of hole wall, a large amount of water vapour particularly existed after high temperature big gun hole water filling cooling have a strong impact on thermocouple temperature measurement effect.Radio infrared thermometric has fast response time, the higher thermometric upper limit and the advantage such as easy to carry, but it is easily subject to the factor impacts such as big gun hole hole depth, flue dust, steam and causes that error is bigger, additionally the method it cannot be guaranteed that in big gun hole the temperature of different depth can measure, therefore there is thermometric blind area, the maximum temperature that namely existence is surveyed is lower than the possibility of actual maximum temperature.
Summary of the invention
It is an object of the invention to provide a kind of high temperature big gun hole temperature measuring equipment, this device adopts infrared temperature sensor to improve thermometric response time, the temperature of big gun hole different depth can be carried out quick scanning temperature measuring, constantly cable and infrared temperature sensor can be lowered the temperature toward heat-resistant tube is filled with air by air pump, record blasthole hole wall temperature after the dust in big gun hole or water vapour (after water filling cooling) can be dispelled by air purging device.
Another object of the present invention is to provide a kind of high temperature big gun hole temp measuring method.
The purpose of the present invention can be passed through to adopt the following technical scheme that and reach:
A kind of high temperature big gun hole temperature measuring equipment, including infrared temperature sensor, cable, air purging device, heat-resistant tube, air pump, display instrument and weight, one end of described heat-resistant tube is connected with air pump, the other end is connected with air purging device, described infrared temperature sensor is fixed in air purging device, and the infrared emission mouth position of infrared temperature sensor is corresponding with the blow valve port position of air purging device, described display instrument is connected with one end of cable, the other end of cable is connected with infrared temperature sensor after heat-resistant tube, described weight is fixed on below air purging device.
As a kind of preferred version, described infrared temperature sensor and air purging device all have 2n, and each infrared temperature sensor is fixed in an air purging device, and 2n air purging device is symmetrical along the other end circumference of heat-resistant tube；Wherein, n >=1, and be natural number.
As a kind of preferred version, described infrared temperature sensor is that type temperature sensor is taken aim in side, and its thermometric response time is millisecond magnitude.
As a kind of preferred version, described cable is the flexible cable with resistance to elevated temperatures.
As a kind of preferred version, described heat-resistant tube is have the high temperature resistant flexible heat resistant pipe with heat-proof quality.
As a kind of preferred version, described display instrument has storage function, and its sample frequency is not less than 1KHz.
As a kind of preferred version, described weight is cylindrical, and its diameter is less than 1/2nd of blasthole diameter.
Another object of the present invention can be passed through to adopt the following technical scheme that and reach:
A kind of high temperature big gun hole temp measuring method, said method comprising the steps of:
1) open air pump and carry air by heat-resistant tube toward air purging device；
2) open storage function after opening display instrument and sample frequency is set；
3) air purging device being fixed with infrared temperature sensor is steadily transferred in big gun hole；
4) air purging device is transferred under postscript at the bottom of hole maximum temperature and suspends record；
5) after reopening record, air purging device is steadily mentioned from big gun hole, write down maximum temperature tentative record when being lifted to aperture, big gun hole；
6) twice maximum temperature write down is compared, take the bigger maximum temperature as big gun hole.
As a kind of preferred version, described method also includes: in step 4) carry out while, the degree of depth transferring linear measure longimetry big gun hole according to air purging device.
As a kind of preferred version, step 2) in, sample frequency and the response time of infrared temperature sensor that described display instrument is arranged match；Step 3) in, the lowering velocity of described air purging device and the response time of infrared temperature sensor match；Step 5) in, the response time mentioning speed and infrared temperature sensor of described air purging device matches.
The present invention has following beneficial effect relative to prior art:
1, cable and infrared temperature sensor are carried out air cooling by air pump by the present invention, enable temperature measuring equipment suitable in hot environment, dust in big gun hole or water vapour (after water filling cooling) can be dispelled by air purging device, then the infrared temperature sensor being fixed in air purging device is utilized to record blasthole hole wall temperature, therefore the big gun hole of full dust can be carried out thermometric, the big gun hole that simultaneously can also be full of water vapour after water filling is lowered the temperature carries out thermometric, thus water filling cooling-down effect in big gun hole can be evaluated further.
2, the infrared temperature sensor that the present invention adopts is that type temperature sensor (i.e. non-contact type thermodetector device) is taken aim in side, its thermometric response time is millisecond (ms) magnitude, therefore when transferring and mention, the quick scanning temperature measuring of the complete opening to big gun hole can be realized, improve speed and the accuracy of big gun hole thermometric, thermometric blind area can be avoided the occurrence of simultaneously.
3, the cable that the present invention adopts is connected with infrared temperature sensor after heat-resistant tube, owing to heat-resistant tube has high temperature resistant and heat-proof quality, can protect cable by heat-resistant tube, make cable have the longer life-span.
4, the present invention is fixed with weight below air purging device, and this weight is cylindrical, and its diameter, less than 1/2nd of blasthole diameter, is conducive to air purging device to transfer to smoothly in big gun hole.
5, the present invention can adopt 2n (n >=1, and be natural number) individual infrared temperature sensor and air purging device, air purging device is symmetrical along the other end circumference of heat-resistant tube, be conducive to maintaining stablizing of infrared temperature sensor, and multiple different azimuth in big gun hole can be measured simultaneously, accuracy is higher.
Accompanying drawing explanation
Fig. 1 is the high temperature big gun hole temperature measuring equipment structural representation of the embodiment of the present invention 1.
Fig. 2 is the enlarged diagram at A place in Fig. 1.
Fig. 3 is the high temperature big gun hole temperature measuring equipment structural representation of the embodiment of the present invention 3.
Fig. 4 is the enlarged diagram at A place in Fig. 3.
Wherein, 1-infrared temperature sensor, 2-cable, 3-air purging device, 4-heat-resistant tube, 5-air pump, 6-display instrument, 7-weight, 8-big gun hole.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As depicted in figs. 1 and 2, present embodiments provide a kind of high temperature big gun hole temperature measuring equipment, this device includes infrared temperature sensor 1, cable 2, air purging device 3, heat-resistant tube 4, air pump 5, display instrument 6 and weight 7, one end of described heat-resistant tube 4 is connected with air pump 5, the other end is connected with air purging device 3, described infrared temperature sensor 1 is fixed in air purging device 3, one end of described cable 2 is connected with display instrument 6, the other end is connected with infrared temperature sensor 1 after heat-resistant tube 4, and described weight 7 is fixed on below air purging device 3.
Described air pump 5 can pass through heat-resistant tube 4 and carry air, except providing air for air purging device 3, it is also possible to infrared temperature sensor 1 and cable 2 are carried out air cooling, enables whole temperature measuring equipment suitable in hot environment.
After air pump 5 carries air by heat-resistant tube 4 toward air purging device 3, described air purging device 3 is possible not only to dispel the dust in big gun hole 8 or water vapour (after water filling cooling), but also can clean infrared temperature sensor 1.
The infrared emission mouth position of described infrared temperature sensor 1 is corresponding with the blow valve port position of air purging device 3, after the dust in big gun hole 8 or water vapour (after water filling cooling) are dispelled by air purging device 3, it is possible to accurately record the temperature of blasthole hole wall.
Described infrared temperature sensor 1 takes aim at type temperature sensor (i.e. contactless instrument) for side, its thermometric response time is millisecond magnitude, the temperature of big gun hole 8 different depth can be carried out quick scanning temperature measuring, infrared temperature sensor 1 is when transferring and mention, the quick scanning temperature measuring of the complete opening to big gun hole 8 can be realized, improve speed and the accuracy of big gun hole 8 thermometric, thermometric blind area can be avoided the occurrence of simultaneously.
Described cable 2 is flexible, and has resistance to elevated temperatures.
Described heat-resistant tube 4 is flexible, and has high temperature resistant and heat-proof quality, and its protection cable 2 carries air for air purging device 3 simultaneously.
Described display instrument 6 has storage function, and has enough memory lengths, and its sample frequency is not less than 1KHz.
Described weight 7 is cylindrical, and its diameter, less than 1/2nd of big gun hole 8 diameter, is conducive to air purging device 3 to transfer to smoothly in big gun hole 8.
Described big gun hole 8 is high temperature big gun hole, and high temperature big gun hole is caused due to long dieselings in mine such as some coal and sulfur-bearing ore deposits, and its temperature range is 60 DEG C～800 DEG C.
Embodiment 2:
Present embodiments provide a kind of high temperature big gun hole temp measuring method, comprise the following steps:
Step one, open air pump and carry air by heat-resistant tube toward air purging device；
In this step, the air capacity that described air pump is carried, it is possible to ensure that the dust around measuring point or water vapour are dispelled by air purging device, and guarantee the air cooling effect of whole temperature measuring equipment；
Step 2, open display instrument after open storage function sample frequency is set；
In this step, sample frequency and the response time of infrared temperature sensor that described display instrument is arranged match；
Step 3, the air purging device being fixed with infrared temperature sensor is steadily transferred in big gun hole；
In this step, the lowering velocity of described infrared temperature sensor and the response time of infrared temperature sensor match；
Step 4, air purging device are transferred under postscript at the bottom of hole maximum temperature and suspend record；Meanwhile, the length of transferring according to air purging device, measure the degree of depth in big gun hole；
Step 5, reopen record after air purging device is steadily mentioned from big gun hole, write down maximum temperature tentative record when being lifted to aperture, big gun hole；
In this step, the response time mentioning speed and infrared temperature sensor of described infrared temperature sensor matches；
Step 6, twice maximum temperature write down is compared, take the bigger maximum temperature as big gun hole.
Step 7, blasting work personnel by the depth registration in the maximum temperature in big gun hole and big gun hole on paper, and can be pressed on limit, big gun hole with stone.
Embodiment 3:
As shown in Figure 3 and Figure 4, present embodiments provide a kind of high temperature big gun hole temperature measuring equipment, this device includes infrared temperature sensor 1, cable 2, air purging device 3, heat-resistant tube 4, air pump 5, display instrument 6 and weight 7, wherein infrared temperature sensor 1 and air purging device 3 all have four, each infrared temperature sensor 1 is fixed in an air purging device 3, four air purging devices 3 are symmetrical along the other end circumference of heat-resistant tube 4, namely on the other end circumferencial direction of heat-resistant tube 4 every 90 degree an air purging device 3 is set, in order to make four air purging devices 3 can effectively dispel dust or water vapour, can increase air pump 5 conveying air capacity；Air purging device 3 symmetrical, is conducive to maintaining stablizing of infrared temperature sensor 1, and can the four of big gun hole 8 different azimuth (front, rear, left and right) be measured, and accuracy is higher.All the other structures and connected mode are with embodiment 1.
Infrared temperature sensor 1 and air purging device 3 quantity of the present embodiment are not limited to four, for instance can be two, six, eight etc..
In sum, the present invention adopts infrared temperature sensor to improve thermometric response time, the temperature of big gun hole different depth can be carried out quick temperature measurement scanning, constantly cable and infrared temperature sensor can be lowered the temperature toward heat-resistant tube is filled with air by air pump, record blasthole hole wall temperature after the dust in big gun hole or water vapour (after water filling cooling) can be dispelled by air purging device.
The above; it is only patent preferred embodiment of the present invention; but the protection domain of patent of the present invention is not limited thereto; any those familiar with the art is in the scope disclosed in patent of the present invention; technical scheme and inventive concept thereof according to patent of the present invention are equal to replacement or are changed, and broadly fall into the protection domain of patent of the present invention.
Claims (10)
1. a high temperature big gun hole temperature measuring equipment, it is characterized in that: include infrared temperature sensor, cable, air purging device, heat-resistant tube, air pump, display instrument and weight, one end of described heat-resistant tube is connected with air pump, the other end is connected with air purging device, described infrared temperature sensor is fixed in air purging device, and the infrared emission mouth position of infrared temperature sensor is corresponding with the blow valve port position of air purging device, one end of described cable is connected with display instrument, the other end is connected with infrared temperature sensor after heat-resistant tube, described weight is fixed on below air purging device.
2. a kind of high temperature big gun hole according to claim 1 temperature measuring equipment, it is characterized in that: described infrared temperature sensor and air purging device all have 2n, each infrared temperature sensor is fixed in an air purging device, and 2n air purging device is symmetrical along the other end circumference of heat-resistant tube；Wherein, n >=1, and be natural number.
3. a kind of high temperature big gun hole according to claim 1 and 2 temperature measuring equipment, it is characterised in that: described infrared temperature sensor is that type temperature sensor is taken aim in side, and its thermometric response time is millisecond magnitude.
4. a kind of high temperature big gun hole according to claim 1 and 2 temperature measuring equipment, it is characterised in that: described cable is the flexible cable with resistance to elevated temperatures.
5. a kind of high temperature big gun hole according to claim 1 and 2 temperature measuring equipment, it is characterised in that: described heat-resistant tube is have the high temperature resistant flexible heat resistant pipe with heat-proof quality.
6. a kind of high temperature big gun hole according to claim 1 and 2 temperature measuring equipment, it is characterised in that: described display instrument has storage function, and its sample frequency is not less than 1KHz.
7. a kind of high temperature big gun hole according to claim 1 and 2 temperature measuring equipment, it is characterised in that: described weight is cylindrical, and its diameter is less than 1/2nd of blasthole diameter.
8. a high temperature big gun hole temp measuring method, it is characterised in that: said method comprising the steps of:
1) open air pump and carry air by heat-resistant tube toward air purging device；
2) open storage function after opening display instrument and sample frequency is set；
3) air purging device being fixed with infrared temperature sensor is steadily transferred in big gun hole；
4) air purging device is transferred under postscript at the bottom of hole maximum temperature and suspends record；
5) after reopening record, air purging device is steadily mentioned from big gun hole, write down maximum temperature tentative record when being lifted to aperture, big gun hole；
6) twice maximum temperature write down is compared, take the bigger maximum temperature as big gun hole.
9. a kind of high temperature big gun hole according to claim 8 temp measuring method, it is characterised in that: described method also includes: in step 4) carry out while, the degree of depth transferring linear measure longimetry big gun hole according to air purging device.
10. a kind of high temperature big gun hole temp measuring method according to claim 8 or claim 9, it is characterised in that: step 2) in, sample frequency and the response time of infrared temperature sensor that described display instrument is arranged match；Step 3) in, the lowering velocity of described air purging device and the response time of infrared temperature sensor match；Step 5) in, the response time mentioning speed and infrared temperature sensor of described air purging device matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610281564.6A CN105784122B (en) | 2016-04-28 | 2016-04-28 | A kind of high temperature blasthole temperature measuring equipment and high temperature blasthole temp measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610281564.6A CN105784122B (en) | 2016-04-28 | 2016-04-28 | A kind of high temperature blasthole temperature measuring equipment and high temperature blasthole temp measuring method |
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| Publication Number | Publication Date |
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| CN105784122A true CN105784122A (en) | 2016-07-20 |
| CN105784122B CN105784122B (en) | 2018-08-28 |
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| CN201610281564.6A Active CN105784122B (en) | 2016-04-28 | 2016-04-28 | A kind of high temperature blasthole temperature measuring equipment and high temperature blasthole temp measuring method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618235A (en) * | 2019-07-26 | 2019-12-27 | 深圳国技环保技术有限公司 | Smoke and dust flue gas sampling detection equipment and method with over-temperature protection function |
| CN112945389A (en) * | 2021-01-29 | 2021-06-11 | 华中科技大学 | Non-contact type measuring system and method for temperature of last-stage moving blade of turbine |
| CN113405670A (en) * | 2021-06-18 | 2021-09-17 | 徐州龙傲智能科技有限公司 | Infrared temperature measurement all-in-one with explosion-proof function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968953A (en) * | 2014-05-09 | 2014-08-06 | 葛洲坝易普力股份有限公司 | Whole blasthole temperature measurement device and measurement method thereof |
| CN205607536U (en) * | 2016-04-28 | 2016-09-28 | 宏大矿业有限公司 | High temperature big gun hole temperature measuring device |
-
2016
- 2016-04-28 CN CN201610281564.6A patent/CN105784122B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968953A (en) * | 2014-05-09 | 2014-08-06 | 葛洲坝易普力股份有限公司 | Whole blasthole temperature measurement device and measurement method thereof |
| CN205607536U (en) * | 2016-04-28 | 2016-09-28 | 宏大矿业有限公司 | High temperature big gun hole temperature measuring device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618235A (en) * | 2019-07-26 | 2019-12-27 | 深圳国技环保技术有限公司 | Smoke and dust flue gas sampling detection equipment and method with over-temperature protection function |
| CN112945389A (en) * | 2021-01-29 | 2021-06-11 | 华中科技大学 | Non-contact type measuring system and method for temperature of last-stage moving blade of turbine |
| CN112945389B (en) * | 2021-01-29 | 2023-10-31 | 华中科技大学 | Non-contact measuring system and method for temperature of turbine final-stage moving blade |
| CN113405670A (en) * | 2021-06-18 | 2021-09-17 | 徐州龙傲智能科技有限公司 | Infrared temperature measurement all-in-one with explosion-proof function |
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| CN105784122B (en) | 2018-08-28 |
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Address after: 510000 Guangda Road, Lianyi Village, Zengjiang Street, Zengcheng District, Guangzhou City, Guangdong Province, 28 Patentee after: Hongda blasting Co., Ltd. Address before: 511300 28 Luang Da Road, Lianyi village, Zeng Jiang Street, Zengcheng, Guangzhou, Guangdong Patentee before: Grand mining industry company limited |
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Address after: 511300 28 Luang Da Road, Lianyi village, Zeng Jiang Street, Zengcheng, Guangzhou, Guangdong Patentee after: Hongda Blasting Engineering Group Co.,Ltd. Address before: 510000 Guangda Road, Lianyi Village, Zengjiang Street, Zengcheng District, Guangzhou City, Guangdong Province, 28 Patentee before: HONGDA BLASTING Co.,Ltd. |