CN111551590A - Full-automatic coal rock gas desorption and resistivity measuring device - Google Patents
Full-automatic coal rock gas desorption and resistivity measuring device Download PDFInfo
- Publication number
- CN111551590A CN111551590A CN202010418680.4A CN202010418680A CN111551590A CN 111551590 A CN111551590 A CN 111551590A CN 202010418680 A CN202010418680 A CN 202010418680A CN 111551590 A CN111551590 A CN 111551590A
- Authority
- CN
- China
- Prior art keywords
- pipe body
- box
- box body
- gas
- fixedly connected
- 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.)
- Withdrawn
Links
- 239000003245 coal Substances 0.000 title claims abstract description 58
- 239000011435 rock Substances 0.000 title claims abstract description 49
- 238000003795 desorption Methods 0.000 title claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 239000011941 photocatalyst Substances 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 241001233242 Lontra Species 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/222—Solid fuels, e.g. coal
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a full-automatic coal rock gas desorption and resistivity measurement device which comprises a first box body, wherein a coal rock test piece is arranged in the first box body, two copper sheets are symmetrically and fixedly connected to two ends of the coal rock test piece, a resistivity measurement instrument is arranged outside the first box body, one side, away from the coal rock test piece, of each copper sheet is electrically connected to an electrical input end of the resistivity measurement instrument through a first lead, and one side of the first box body is communicated with a first pipe body; according to the invention, the resistivity measurement is carried out by using the resistivity measuring instrument, the gas is analyzed by using the gas desorber, then the conclusion can be obtained by comprehensively analyzing the data, the gas can be purified by using the filter screen plate, the sterilization treatment is carried out by using the ultraviolet lamp plate and the photocatalyst plate, the gas can be further purified by using the activated carbon plate, and the condition that a laboratory technician breathes harmful gas during the experiment is avoided.
Description
Technical Field
The invention relates to the technical field of resistivity measurement, in particular to a full-automatic coal rock gas desorption and resistivity measurement device.
Background
When coal mining, the balance between the coal rock gas pressure and the coal rock common stress is easily damaged, and coal and gas outburst accidents are easily caused. The gas desorption rule of the coal rock can be used for determining the gas content of a coal seam and reflecting the outburst risk of coal and gas, but the direct determination of the gas desorption of the coal rock is easy to have larger errors, but the existence of the gas of the coal rock can change the resistivity of the coal rock, so that a plurality of scholars do a great deal of research work on electrical parameters of the coal rock, accurately determine and analyze the relation between the gas adsorption and desorption content of the coal rock and the resistivity of the coal rock, is an important basis for evaluating the prediction of the gas emission quantity and the gas outburst of a coal mining working face, and is also an important basic parameter for controlling coal and gas outburst accidents;
chinese patent No. CN 203672816U, discloses a resistance measuring device of a coal sample gas desorption instrument, which comprises a coal sample tank, a desorption measuring tube, a main control unit and a power supply, wherein the device reads out the gas desorption content at different moments by reading the desorption measuring tube, usually the gas desorption takes 48 to 72 hours or even longer time, not only a large amount of manpower and material resources are wasted, but also the error of manual reading is larger; chinese patent No. CN201820384247.1 of "a full-automatic coal rock gas desorption and resistivity measurement device" discloses a resistivity measurement device in the coal rock desorption process, which can measure the resistivity during coal rock gas desorption by using the device, but in the measurement process, the treatment of gas is not safe enough, there is a risk of leakage, and there is no treatment device for gas, so that it is easy to cause adverse effect to human body during experiment, in addition, in the existing process of performing coal rock gas desorption gas suction and resistance synchronous measurement of coal rock test piece, the distribution uniformity of coal rock gas desorption gas and the selection of gas suction position, and the different contact positions of the metal electrodes of coal rock test piece all affect the final result, therefore, a full-automatic coal rock gas desorption and resistivity measurement device is provided.
Disclosure of Invention
The invention aims to provide a full-automatic coal rock gas desorption and resistivity measurement device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a full-automatic coal rock gas desorption and resistivity measuring device comprises a first box body, wherein a coal rock test piece is arranged inside the first box body, two copper sheets are symmetrically and fixedly connected to two ends of the coal rock test piece, a resistivity measuring instrument is arranged outside the first box body, two sides of each copper sheet are electrically connected to an electrical input end of the resistivity measuring instrument through a first lead, one side of the first box body is communicated with a first pipe body, one end, away from the first box body, of the first pipe body is fixedly connected with a first air pump, the output end of the first air pump is communicated with a second pipe body, a gas desorber is installed on the outer side wall of the second pipe body, one end, away from the first air pump, of the second pipe body is communicated with a second box body, the bottom of the inner side wall of the second box body is fixedly connected with a plate body, one side, located on the right side of the plate body, of the second box body is respectively communicated with a, a first valve is installed at one end, away from the second box body, of the third pipe body, a second valve is installed at one end, away from the second box body, of the fourth pipe body, a first sliding groove, a second sliding groove, a third sliding groove and a fourth sliding groove are respectively formed in one side, away from the second pipe body, of the plate body and the inner side wall of the second box body, the inner side wall of the first sliding groove is connected with a filter screen plate in a sliding mode, the inner side wall of the second sliding groove is connected with an ultraviolet lamp plate in a sliding mode, the inner side wall of the third sliding groove is connected with a photocatalyst plate in a sliding mode, the inner side wall of the fourth sliding groove is connected with an activated carbon plate in a sliding mode, and a through groove;
the copper sheet is composed of a pie-shaped central part and a plurality of peripheral convex blocks which are protruded at equal angles in the circumferential direction, the convex blocks and the circumferential edge of the pie-shaped central part are integrally formed, a plurality of concentric annular chutes are arranged on the pie-shaped body of each copper sheet, one end of a first lead facing a coal rock test piece is coated on a metal rod, the metal rod is inserted in a through hole of a first box body, a bearing is arranged in the through hole, the metal rod is fixedly connected with an inner ring of the bearing, the tail ends of the two metal rods at two sides of the copper sheet are respectively abutted in the annular chutes with different radial dimensions in a sliding manner, a fifth pipe body is further communicated with the same side of the first box body, on which the first pipe body is inserted, the fifth pipe body and the first pipe body are respectively positioned at the upper side and the lower side of the coal rock test piece, the inner part of the fifth pipe body positioned in the first box body is designed to be L-shaped bent, the pipe orifice side, the sixth tube body is connected with the fifth tube body through a second air pump, wherein the sixth tube body is an air outlet side, and the fifth tube body is an air inlet side;
the electrical output end of the gas desorber is electrically connected with a single chip microcomputer through a first data line, the electrical output end of the single chip microcomputer is electrically connected with a data acquisition device through a second data line, the electrical output end of the resistivity measuring instrument is electrically connected with the electrical input end of the single chip microcomputer through a third data line, a fourth switch is installed on the outer side wall of the data acquisition device, and the electrical output end of the fourth switch is electrically connected with the electrical input end of the data acquisition device.
The outer side wall of the resistivity measuring instrument is provided with a first switch, and the electrical output end of the first switch is electrically connected with the electrical input end of the resistivity measuring instrument.
And a second switch is installed on the outer side wall of the first air pump, and the electrical output end of the second switch is electrically connected with the electrical input end of the first air pump.
And a third switch is arranged on the outer side wall of the gas desorber, and the electrical output end of the third switch is electrically connected with the electrical input end of the gas desorber.
A first waterproof pad is fixedly connected at the joint of the filter screen plate and the second box body, a second waterproof pad is fixedly connected at the joint of the ultraviolet lamp panel and the second box body, a third waterproof pad is fixedly connected at the joint of the photocatalyst plate and the second box body, a fourth waterproof pad is fixedly connected at the joint of the activated carbon plate and the second box body, a first handle is fixedly connected with one side of the filter screen plate far away from the second box body, a second handle is fixedly connected with one side of the ultraviolet lamp plate far away from the second box body, a fifth switch is arranged on one side of the ultraviolet lamp panel away from the second box body, the electrical output end of the fifth switch is electrically connected with the electrical input end of the ultraviolet lamp panel, one side of the photocatalyst plate, which is far away from the second box body, is fixedly connected with a third handle, and one side of the activated carbon plate, which is far away from the second box body, is fixedly connected with a fourth handle.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the invention, through the copper sheet structure with a special structure and the design of the circulating gas pipe, the measured value of the resistance and the gas desorption value are accurately measured at the same time; 2. according to the invention, the resistivity measurement is carried out by using the resistivity measuring instrument, the gas is analyzed by using the gas desorber, then the conclusion can be obtained by comprehensively analyzing the data, the gas can be purified by using the filter screen plate, the sterilization treatment is carried out by using the ultraviolet lamp plate and the photocatalyst plate, the gas can be further purified by using the activated carbon plate, and the condition that a laboratory technician breathes harmful gas during the experiment is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a second case of the present invention;
FIG. 3 is a cross-sectional view of a second case of the present invention;
FIG. 4 is an enlarged view of region A of FIG. 3 according to the present invention;
fig. 5 is a left side view of the second casing of the present invention.
In the figure: 1. a first case; 2. a coal rock test piece; 3. a copper sheet; 4. a first conductive line; 5. a resistivity measuring instrument; 6. a first switch; 7. a first pipe body; 8. a first air pump; 9. a second switch; 10. a second tube body; 11. a first data line; 12. a gas desorber; 13. a third switch; 14. a single chip microcomputer; 15. a plate body; 16. a second data line; 17. a data acquisition device; 18. a fourth switch; 19. a third data line; 20. a second case; 21. a first chute; 22. a second chute; 23. a third chute; 24. a fourth chute; 25. a filter screen plate; 26. an ultraviolet lamp panel; 27. a photocatalyst plate; 28. an activated carbon plate; 29. a first waterproof pad; 30. a second waterproof pad; 31. a third water cushion; 32. a fourth waterproof pad; 33. a through groove; 34. a third tube; 35. a first valve; 36. a fourth tube body; 37. a second valve; 38. a first handle; 39. a second handle; 40. a third handle; 41. a fourth handle; 42. and a fifth switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: a full-automatic coal rock gas desorption and resistivity measuring device comprises a first box body 1, a coal rock test piece 2 is arranged inside the first box body 1, two copper sheets 3 are symmetrically and fixedly connected to two ends of the coal rock test piece 2, a resistivity measuring instrument 5 is arranged outside the first box body 1, two sides of each copper sheet 3 are electrically connected to an electrical input end of the resistivity measuring instrument 5 through a first lead 4, one side of the first box body 1 is communicated with a first pipe body 7, one end, far away from the first box body 1, of the first pipe body 7 is fixedly connected with a first air pump 8, an output end of the first air pump 8 is communicated with a second pipe body 10, a gas desorber 12 is installed on the outer side wall of the second pipe body 10, one end, far away from the first air pump 8, of the second pipe body 10 is communicated with a second box body 20, and a plate body 15 is fixedly connected to the bottom of the inner side wall of the second box body, a third pipe 34 and a fourth pipe 36 are respectively communicated with one side of the second box 20 at the right side of the plate 15, a first valve 35 is arranged at one end of the third pipe 34 far away from the second box 20, the end of the fourth pipe 36 remote from the second tank 20 is provided with a second valve 37, a first sliding groove 21, a second sliding groove 22, a third sliding groove 23 and a fourth sliding groove 24 are respectively formed on one side of the plate body 15 away from the second pipe body 10 and the inner side wall of the second box body 20, the inner side wall of the first sliding chute 21 is connected with a filter screen plate 25 in a sliding way, the inner side wall of the second sliding chute 22 is connected with an ultraviolet lamp panel 26 in a sliding way, a photocatalyst plate 27 is connected to the inner side wall of the third chute 23 in a sliding manner, an activated carbon plate 28 is connected to the inner side wall of the fourth chute 24 in a sliding manner, and a through groove 33 is formed in one side of the second box body 20 away from the second pipe body 10;
the copper sheets 3 are composed of a pie-shaped central part and a plurality of peripheral convex blocks which are protruded at equal angle intervals in the circumferential direction, the convex blocks and the circumferential edge of the pie-shaped central part are integrally formed, a plurality of concentric annular chutes are arranged on the pie-shaped body of each copper sheet 3, one end of a first lead 4 facing the coal rock test piece 2 is coated with a metal rod, the metal rod is inserted into a through hole of the first box body 1, a bearing is arranged in the through hole, the metal rod is fixedly connected with the inner ring of the bearing, the tail ends of two metal rods at two sides of the copper sheet 3 are respectively abutted in the annular chutes with different radial dimensions in a sliding manner, a fifth pipe body is further communicated with the same side of the first box body 1 where the first pipe body 7 is inserted, the fifth pipe body and the first pipe body 7 are respectively positioned at the upper side and the lower side of the coal rock test piece 2, the inner part of the fifth pipe body positioned in the first box body 1 is designed to, a sixth pipe body is inserted at the other side of the first box body 1, and the sixth pipe body is connected with the fifth pipe body through a second air pump, wherein the sixth pipe body is an air outlet side, and the fifth pipe body is an air inlet side;
the electrical output end of the gas desorber 12 is electrically connected with a single chip microcomputer 14 through a first data line 11, the electrical output end of the single chip microcomputer 14 is electrically connected with a data acquisition device 17 through a second data line 16, the electrical output end of the resistivity measuring instrument 5 is electrically connected with the electrical input end of the single chip microcomputer 14 through a third data line 19, a fourth switch 18 is installed on the outer side wall of the data acquisition device 17, and the electrical output end of the fourth switch 18 is electrically connected with the electrical input end of the data acquisition device 17.
The outer side wall of the resistivity measuring instrument 5 is provided with a first switch 6, and the electrical output end of the first switch 6 is electrically connected with the electrical input end of the resistivity measuring instrument 5.
The second switch 9 is installed to the lateral wall of first air pump 8, the electrical property output of second switch 9 with the electrical property input electric connection of first air pump 8.
A third switch 13 is installed on an outer side wall of the gas desorber 12, and an electrical output end of the third switch 13 is electrically connected with an electrical input end of the gas desorber 12.
The joint of the filter screen plate 25 and the second box 20 is fixedly connected with a first waterproof pad 29, the joint of the ultraviolet lamp plate 26 and the second box 20 is fixedly connected with a second waterproof pad 30, the joint of the photocatalyst plate 27 and the second box 20 is fixedly connected with a third waterproof pad 31, the joint of the activated carbon plate 28 and the second box 20 is fixedly connected with a fourth waterproof pad 32, one side of the filter screen plate 25 far away from the second box 20 is fixedly connected with a first handle 38, one side of the ultraviolet lamp plate 26 far away from the second box 20 is fixedly connected with a second handle 39, one side of the ultraviolet lamp plate 26 far away from the second box 20 is provided with a fifth switch 42, the electrical output end of the fifth switch 42 is electrically connected with the electrical input end of the ultraviolet lamp plate 26, and one side of the photocatalyst plate 27 far away from the second box 20 is fixedly connected with a third handle 40, a fourth handle 41 is fixedly connected to one side of the activated carbon plate 28 away from the second box 20
In this embodiment, specifically: the outer side wall of the resistivity measuring instrument 5 is provided with a first switch 6, and the electrical output end of the first switch 6 is electrically connected with the electrical input end of the resistivity measuring instrument 5; through the setting of first switch 6, can control the electric current of resistivity measurement appearance 5 to can play the effect of controlling the start-up and closing of resistivity measurement appearance 5.
In this embodiment, specifically: the outer side wall of the first air pump 8 is provided with a second switch 9, and the electrical output end of the second switch 9 is electrically connected with the electrical input end of the first air pump 8; through the setting of the second switch 9, the electric circulation of the first air pump 8 can be controlled, so that the function of controlling the starting and the closing of the first air pump 8 can be achieved.
In this embodiment, specifically: a third switch 13 is installed on the outer side wall of the gas desorber 12, and an electrical output end of the third switch 13 is electrically connected with an electrical input end of the gas desorber 12; by setting the third switch 13, the electric current of the gas desorber 12 can be controlled, so that the gas desorber 12 can be controlled to be started and closed.
In this embodiment, specifically: a first waterproof pad 29 is fixedly connected at the joint of the filter screen plate 25 and the second box body 20, a second waterproof pad 30 is fixedly connected at the joint of the ultraviolet lamp panel 26 and the second box body 20, a third waterproof pad 31 is fixedly connected at the joint of the photocatalyst plate 27 and the second box body 20, and a fourth waterproof pad 32 is fixedly connected at the joint of the activated carbon plate 28 and the second box body 20; through the setting of first waterproof pad 29, can make the junction of filter plate 25 and second box 20 inseparabler, can prevent gaseous leakage, through the setting of second waterproof pad 30, can make the junction of ultraviolet lamp plate 26 and second box 20 inseparabler, can prevent gaseous leakage, through the setting of third waterproof pad 31, can make the junction of photocatalyst board 27 and second box 20 inseparabler, can prevent gaseous leakage, through the setting of fourth waterproof pad 32, can make the junction of activated carbon board 28 and second box 20 inseparabler, can prevent gaseous leakage.
In this embodiment, specifically: a first handle 38 is fixedly connected to one side of the filter screen plate 25, which is far away from the second box 20, a second handle 39 is fixedly connected to one side of the ultraviolet lamp plate 26, which is far away from the second box 20, a fifth switch 42 is installed on one side of the ultraviolet lamp plate 26, which is far away from the second box 20, an electrical output end of the fifth switch 42 is electrically connected with an electrical input end of the ultraviolet lamp plate 26, a third handle 40 is fixedly connected to one side of the photocatalyst plate 27, which is far away from the second box 20, and a fourth handle 41 is fixedly connected to one side of the activated carbon plate 28, which is far away from the second box 20; through the setting of first handle 38, can be convenient for will filter otter board 25 extraction, thereby be convenient for will filter otter board 25 and wash and change, setting through second handle 39, can be convenient for extract ultraviolet lamp plate 26, setting through fifth switch 42, can control ultraviolet lamp plate 26's electric property circulation, thereby can play the effect of the start-up and the closing of control ultraviolet lamp plate 26, setting through third handle 40, can be convenient for extract photocatalyst board 27, thereby be convenient for change photocatalyst board 27, setting through fourth handle 41, can be convenient for extract activated carbon plate 28, thereby be convenient for change activated carbon plate 28.
In this embodiment, specifically: one side of the second box body 20, which is positioned at the right side of the plate body 15, is respectively communicated with a third pipe body 34 and a fourth pipe body 36, one end of the third pipe body 34, which is far away from the second box body 20, is provided with a first valve 35, and one end of the fourth pipe body 36, which is far away from the second box body 20, is provided with a second valve 37; the circulation of the third pipe 34 can be controlled by the first valve 35, the circulation of the fourth pipe 36 can be controlled by the second valve 37, the water can be injected into the second tank 20 by the third pipe 34, and the sewage in the second tank 20 can be discharged by the fourth pipe 36.
In this embodiment, specifically: an electrical output end of the gas desorber 12 is electrically connected with a single chip microcomputer 14 through a first data line 11, an electrical output end of the single chip microcomputer 14 is electrically connected with a data acquisition device 17 through a second data line 16, an electrical output end of the resistivity measuring instrument 5 is electrically connected with an electrical input end of the single chip microcomputer 14 through a third data line 19, a fourth switch 18 is installed on the outer side wall of the data acquisition device 17, and an electrical output end of the fourth switch 18 is electrically connected with an electrical input end of the data acquisition device 17; through the setting of first data line 11, can transmit the data that gas desorber 12 obtained for singlechip 14 through first data line 11, singlechip 14 can handle obtaining data and then transmit for data acquisition device 17 through second data line 16, through the setting of third data line 19, can transmit the data that resistivity survey meter 5 obtained for data acquisition device 17 through third data line 19, through the setting of fourth switch 18, can control data acquisition device 17's electric current, thereby can play the effect of the start-up and the closing of control data acquisition device 17.
In this embodiment: the first air pump 8 is model ZW 324-303-3700N.
In the working principle or the structural principle, when the device is used, the first valve 35 is opened, the first valve 35 is closed after water is injected into the second box body 20 through the third pipe body 34, the resistivity measuring instrument 5 is started through the first switch 6, the resistivity in the experimental process can be measured, the first air pump 8 and the second air pump are started through the second switch 9, wherein the second air pump enables the air in the first box body 1 to flow through the sixth pipe body and the fifth pipe body in a circulating mode to be uniformly stirred, in addition, the air output from the air pump enters the first box body 1 from the pipe orifice of the L-shaped bent part of the fifth pipe body and flows towards the surrounding bump, the flowing air drives the copper sheet and the coal rock test piece 2 to rotate, and because the tail ends of the two metal rods on the two sides of the copper sheet 3 are respectively abutted to the annular chutes with different radial sizes in a sliding mode, in the rotating process of the copper sheet and the coal rock test, the contact positions of the two metal rods on the coal rock test piece 2 can be changed in a plurality of ways, so that the resistance values of a plurality of different relative positions can be acquired, a range between the minimum value and the maximum value is obtained, the range can obtain more information by a single measured value, the comparison failure of a plurality of groups of transverse data caused by the change of the insertion position of the copper sheet on the coal rock test piece 2 is avoided, in addition, the gas diffusion inside the coal rock test piece 2 is more uniform in the rotating process, the gas finally extracted from the first pipe body 7 is more representative, and the measurement result of the gas desorber 12 is more objective; specifically, the gas desorber 12 is subsequently started through the third switch 13, the data acquisition device 17 is started through the fourth switch 18, then the gas desorber 12 is used for desorbing gas, finally, the data are guided to the single chip microcomputer 14 through the first data line 11, the single chip microcomputer 14 guides the result to the data acquisition device 17 according to the data, the result data measured by the resistivity measuring instrument 5 are guided to the data acquisition device 17 through the third data line 19, finally, the data acquisition device 17 is used for processing according to the acquired data to draw a conclusion, at the moment, the gas enters the second box body 20 through the second tube body 10, impurities in the gas can be remained in the water after the gas and the water are mixed, when the gas passes through the filter screen plate 25, the filter screen plate 25 can filter the gas again, the ultraviolet lamp plate 26 is started through the fifth switch 42, when the ultraviolet lamp plate 26 irradiates the photocatalyst plate 27, a chemical reaction is generated so that gas can be purified when the gas passes through the activated carbon plate 28, the activated carbon plate 28 can re-adsorb harmful substances in the gas, and a deodorizing effect can be provided to the gas, and finally the gas is discharged through the through groove 33 to the inside of the second casing 20.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a full-automatic coal petrography gas desorption and resistivity measurement device, includes first box (1), its characterized in that: the coal rock test piece (2) is arranged in the first box body (1), two copper sheets (3) are symmetrically and fixedly connected to two ends of the coal rock test piece (2), the resistivity measuring instrument (5) is arranged outside the first box body (1), two sides of each copper sheet (3) are electrically connected to an electrical input end of the resistivity measuring instrument (5) through a first lead (4), one side of the first box body (1) is communicated with a first pipe body (7), one end, far away from the first box body (1), of the first pipe body (7) is fixedly connected with a first air pump (8), an output end of the first air pump (8) is communicated with a second pipe body (10), a gas desorber (12) is installed on the outer side wall of the second pipe body (10), one end, far away from the first air pump (8), of the second pipe body (10) is communicated with a second box body (20), the solar water heater is characterized in that a plate body (15) is fixedly connected to the bottom of the inner side wall of the second box body (20), one side, located on the right side of the plate body (15), of the second box body (20) is respectively communicated with a third pipe body (34) and a fourth pipe body (36), one end, far away from the second box body (20), of the third pipe body (34) is provided with a first valve (35), one end, far away from the second box body (20), of the fourth pipe body (36) is provided with a second valve (37), one side, far away from the second pipe body (10), of the plate body (15) and the inner side wall of the second box body (20) are respectively provided with a first sliding groove (21), a second sliding groove (22), a third sliding groove (23) and a fourth sliding groove (24), the inner side wall of the first sliding groove (21) is slidably connected with a filter screen plate (25), and the inner side wall of the second, a photocatalyst plate (27) is connected to the inner side wall of the third chute (23) in a sliding manner, an activated carbon plate (28) is connected to the inner side wall of the fourth chute (24) in a sliding manner, and a through groove (33) is formed in one side, far away from the second pipe body (10), of the second box body (20);
the copper sheets (3) are composed of a pie-shaped central part and a plurality of peripheral convex blocks which are protruded at equal angles in the circumferential direction, the convex blocks and the circumferential edge of the pie-shaped central part are integrally formed, a plurality of concentric annular sliding grooves are formed in a pie-shaped body of each copper sheet (3), one end, facing a coal rock test piece (2), of a first lead (4) is coated on a metal rod, the metal rod is inserted into a through hole of a first box body (1), a bearing is arranged in the through hole, the metal rod is fixedly connected with an inner ring of the bearing, the tail ends of two metal rods on two sides of each copper sheet (3) are respectively abutted in the annular sliding grooves with different radial dimensions in a sliding mode, a fifth pipe body is further communicated with the same side, inserted with a first pipe body (7), of the first box body (1), the fifth pipe body and the first pipe body (7) are respectively located on the upper side and the lower side of the coal rock test piece (2), and the interior, located in the first box body, the pipe orifice side of the L-shaped bent part faces the peripheral convex block, a sixth pipe body is inserted at the other side of the first box body (1), the sixth pipe body is connected with a fifth pipe body through a second air pump, wherein the sixth pipe body is an air outlet side, and the fifth pipe body is an air inlet side;
the electric output end of the gas desorber (12) is electrically connected with a single chip microcomputer (14) through a first data line (11), the electric output end of the single chip microcomputer (14) is electrically connected with a data acquisition device (17) through a second data line (16), the electric output end of the resistivity measuring instrument (5) is electrically connected with the electric input end of the single chip microcomputer (14) through a third data line (19), a fourth switch (18) is installed on the outer side wall of the data acquisition device (17), and the electric output end of the fourth switch (18) is electrically connected with the electric input end of the data acquisition device (17).
2. The full-automatic coal rock gas desorption and resistivity measurement device of claim 1, wherein: the outer side wall of the resistivity measuring instrument (5) is provided with a first switch (6), and the electrical output end of the first switch (6) is electrically connected with the electrical input end of the resistivity measuring instrument (5).
3. The full-automatic coal rock gas desorption and resistivity measurement device of claim 1, wherein: and a second switch (9) is installed on the outer side wall of the first air pump (8), and the electrical output end of the second switch (9) is electrically connected with the electrical input end of the first air pump (8).
4. The full-automatic coal rock gas desorption and resistivity measurement device of claim 1, wherein: and a third switch (13) is mounted on the outer side wall of the gas desorber (12), and the electrical output end of the third switch (13) is electrically connected with the electrical input end of the gas desorber (12).
5. The full-automatic coal rock gas desorption and resistivity measurement device of claim 1, wherein: the first waterproof pad (29) of handing-over department fixedly connected with of filter plate (25) with second box (20), ultraviolet lamp plate (26) with waterproof pad (30) of handing-over department fixedly connected with second of second box (20), photocatalyst board (27) with waterproof pad (31) of handing-over department fixedly connected with third of second box (20), activated carbon board (28) with waterproof pad (32) of handing-over department fixedly connected with fourth of second box (20), filter plate (25) are kept away from one side fixedly connected with first handle (38) of second box (20), one side fixedly connected with second handle (39) of second box (20) are kept away from in ultraviolet lamp plate (26), ultraviolet lamp plate (26) are kept away from one side of second box (20) and are installed fifth switch (42), the electrical property output of fifth switch (42) with the electrical property input electric connection of ultraviolet lamp plate (26), photocatalyst plate (27) are kept away from one side fixedly connected with third handle (40) of second box (20), activated carbon plate (28) are kept away from one side fixedly connected with fourth handle (41) of second box (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418680.4A CN111551590A (en) | 2020-05-18 | 2020-05-18 | Full-automatic coal rock gas desorption and resistivity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418680.4A CN111551590A (en) | 2020-05-18 | 2020-05-18 | Full-automatic coal rock gas desorption and resistivity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111551590A true CN111551590A (en) | 2020-08-18 |
Family
ID=72004796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010418680.4A Withdrawn CN111551590A (en) | 2020-05-18 | 2020-05-18 | Full-automatic coal rock gas desorption and resistivity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111551590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219002A (en) * | 2021-06-07 | 2021-08-06 | 华北科技学院 | Experimental device for research on resistivity of gas-containing coal body and using method |
-
2020
- 2020-05-18 CN CN202010418680.4A patent/CN111551590A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219002A (en) * | 2021-06-07 | 2021-08-06 | 华北科技学院 | Experimental device for research on resistivity of gas-containing coal body and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206362693U (en) | A kind of water monitoring device on tap | |
| CN105259230B (en) | A kind of Integral electrolytic cell system and method for electrochemical in-situ Mass Spectrometer Method system | |
| CN111551590A (en) | Full-automatic coal rock gas desorption and resistivity measuring device | |
| CN106949943A (en) | Gas volume measurement apparatus and fuel cell module | |
| CN207263624U (en) | A kind of half oxygen saturation partial pressure measuring apparatus | |
| CN206281839U (en) | Hydrogen analytical sampling system in the online hydrogen purity of hydrogen generator station or oxygen | |
| CN106198134B (en) | The pretreating device and control method analyzed for total content of organic carbon in sedimentary rock | |
| CN203455192U (en) | Online discharge hole analyzing-sampling device | |
| CN107957405A (en) | A kind of portable infrared flue gas analyzer | |
| CN105911109A (en) | Method for online measurement of dissolved oxygen in water, and apparatus thereof | |
| CN210742118U (en) | Automatic color comparison device of quality of water | |
| CN108107173A (en) | Portable hand-held water quality detection early-warning apparatus | |
| CN104656116B (en) | A kind of Uranium tailings precipitation rate of radon method for fast measuring and device | |
| CN209247678U (en) | Battery electrolyte condition checkout gear | |
| CN115165994A (en) | Device and method for measuring nitrous oxide emission of sewage treatment plant | |
| CN202066827U (en) | Tester for sulfur dioxide in flue gas | |
| CN205786332U (en) | A kind of fluoride on-line computing model two valve pinch off type accurate measuring device | |
| CN205388571U (en) | Portable micro - gas composition apparatus | |
| CN110849698B (en) | System before analysis of large-scale boiler afterbody flue gas composition | |
| CN209570557U (en) | A kind of liquid chromatograph that can quickly measure hormone residues in dairy products | |
| CN102980789A (en) | Water petroleum pollutant on-line enrichment device | |
| CN208297711U (en) | A kind of portable online conductivity table electrode constant verifying attachment | |
| CN210051719U (en) | Automatic on-line detection device for crude oil hydrogen sulfide | |
| CN207816938U (en) | The on-Line Monitor Device of emergent gas ingredient and its concentration in a kind of liquid | |
| CN208012909U (en) | The accumulation sampling system of tritiated water vapour in a kind of air |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200818 |
|
| WW01 | Invention patent application withdrawn after publication |