CN106867620B - Microwave desulfurization intelligent integrated experimental system for high-sulfur coal - Google Patents
Microwave desulfurization intelligent integrated experimental system for high-sulfur coal Download PDFInfo
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- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 20
- 230000023556 desulfurization Effects 0.000 title claims abstract description 20
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 15
- 239000011593 sulfur Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 238000003756 stirring Methods 0.000 claims abstract description 38
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims 4
- 238000006243 chemical reaction Methods 0.000 abstract description 20
- 238000002474 experimental method Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract 1
- 238000010998 test method Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 11
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 microwave test box 1 Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/02—Treating solid fuels to improve their combustion by chemical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/02—Combustion or pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/04—Gasification
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention belongs to the technical field of coal industrial treatment, and particularly relates to a microwave intelligent desulfurization experimental system for coal desulfurization; the specific technical scheme is as follows: a microwave desulfurization intelligence integration experiment system for high-sulfur coal, including the microwave test case, open at the top center of microwave test case has a diameter to be 6 cm's equipment through-hole, the stirring rake, the heating rod, platinum resistance, water circulation spiral quartz glass pipe passes through the equipment through-hole by the outside and extends to in the beaker, in the beaker that mixes desulfurizer liquid is added to the coal sample powder that will prepare according to the experiment quantity, realize the control to liquid temperature through water circulation system and heating rod synergism, stir reaction system solution through the stirring rake and make reaction solution temperature distribution even, can carry out intelligent control to target temperature, action time, stirring speed and power, each experimental condition of accurate control and experiment parameter, can adjust test method in real time.
Description
Technical Field
The invention belongs to the technical field of coal industrial treatment, particularly belongs to the cross field of microwave technology and chemical technology, and particularly relates to a microwave intelligent desulfurization experimental system for coal desulfurization.
Background
Coal is used as an important energy source for human life, along with the mass exploitation of human beings and the reduction of reserves, the coal quality is also reduced, a large amount of high-sulfur coal appears, and the sulfur content in the high-sulfur coal is more than 3 percent. In addition, since sulfides produced by combustion of high-sulfur coal are one of the main factors of air pollution, it is necessary to desulfurize raw coal before use.
The development of microwave technology has been a relatively mature subject after decades of development, and the microwave technology is widely applied to radar, communication, electronic countermeasure, industrial production, scientific research and the like. As a novel energy source, the microwave has the advantages of selective heating, good penetrability, mild reaction conditions, quick reaction time, easy control, small damage degree to coal organic matters and the like. Therefore, the coal microwave desulfurization technology is a novel mild and clean desulfurization method for coal, and has a huge development prospect in the technical field of clean coal.
At present, what microwave desulfurization experiment generally adopted is domestic microwave oven or is reformed transform by domestic microwave oven and forms simple experimental apparatus, and the function is simple, and power and temperature are difficult to adjust, are difficult to satisfy the demand of microwave desulfurization experiment.
Disclosure of Invention
The invention provides an intelligent integrated experimental system specially used for microwave desulfurization, aiming at solving the technical problems of limited power gear, difficult control and measurement of experimental temperature, non-uniform temperature of a reaction system and inaccurate control of experimental time in the prior art.
In order to realize the purpose, the technical scheme adopted by the invention is as follows: a integrated experimental system of microwave desulfurization intelligence for high-sulfur coal, including microwave test box, hydrologic cycle spiral quartz glass tube, stirring rake, platinum resistance and heating rod, the long wide height of microwave test box is 29cm x 30cm x 18cm, for realizing the stirring, functions such as temperature acquisition and temperature control, open at the top center of microwave test box has the diameter to be 6 cm's circular equipment through-hole, the beaker has been placed to the inside of microwave test box, the opening of beaker sets up, hold reaction system solution in the beaker.
The water circulation spiral quartz glass tube comprises a spiral pipeline arranged at the lower part, a first vertical tube is formed by extending one end of the spiral pipeline, a second vertical tube is formed by extending the other end of the spiral pipeline, the first vertical tube and the second vertical tube are arranged in parallel, the water circulation spiral quartz glass tube penetrates through the equipment through hole and then extends into the microwave test box, the spiral pipeline is arranged in the beaker completely, and the spiral pipeline is arranged around the inner wall of the beaker.
The platinum resistor penetrates through the equipment through hole and then extends into the microwave test box, the lower part of the platinum resistor is arranged in the beaker, one end of the platinum resistor is connected with the positive electrode of the power supply, the other end of the platinum resistor is connected with the fixed resistor in series, the fixed resistor is connected with the grounding end, and the signal end of the platinum resistor is connected with the third pin. The platinum resistor realizes temperature acquisition of the reaction system solution in the beaker, and the resistance value of the platinum resistor changes along with the change of the solution temperature.
The heating rod penetrates through the equipment through hole and then extends into the microwave test box, the lower portion of the heating rod is arranged in the beaker, the signal end of the heating rod is connected with the second solid-state relay, and the second solid-state relay is connected with the fifth pin.
The stirring rake is whole to be glass material, the stirring rake passes and extends to in the microwave test box behind the equipment through-hole, the bottom of stirring rake is fixed with horizontal thick liquid, the equal vertical paddle that is fixed with in both ends of horizontal thick liquid, the beaker is all arranged in to the paddle at horizontal thick liquid and both ends, the top of horizontal thick liquid and the output shaft of motor, stir reaction system solution through motor drive, the rotational speed scope of stirring rake is 30r/min to 120r/min, the stirring rake makes the reaction system solution reaction in the microwave test box more abundant, and microwave irradiation and temperature distribution in the microwave test box are more even.
A microwave control module of the microwave test box is connected with a first solid-state relay, and the first solid-state relay is connected with a first pin.
And a time control module of the microwave test box is connected with a common relay, and the common relay is connected with a second pin.
The first vertical pipe of the water receiving circulation spiral quartz glass pipe is connected with a water circulation cooling device, and the water circulation cooling device is connected with a fourth pin.
A driving module is arranged in the motor and connected with the sixth pin.
The first solid-state relay is connected with a magnetron of the microwave test box in series, the magnetron is connected with the fan and the power supply in parallel, the first solid-state relay is also connected with the fan and the common relay respectively, and the common relay is connected with the power supply in series.
The water circulation cooling device comprises a water pump and a water tank, a water inlet pipe of the water pump is communicated with the water tank, a water outlet pipe of the water pump is communicated with a first vertical pipe of a water circulation spiral quartz glass pipe, and a second vertical pipe is communicated with the water tank.
The platinum resistor is a thermistor.
The stirring speed of the stirring paddle is 30r/min-120r/min.
Compared with the prior art, the invention has the following specific beneficial effects:
the system can realize continuous adjustment of microwave power of the microwave test box from 0-700W, realize control of liquid temperature through synergistic effect of the water circulation system and the heating rod, stir solution of the reaction system through the stirring paddle of 30r/min-120r/min to ensure uniform temperature distribution of the reaction solution, carry out intelligent keyboard input on target temperature, action time, stirring speed and power, display the temperature, the action time, the stirring speed and the power on the liquid crystal display screen, and carry out experimental research more intelligently through accurately controlling each experimental condition and experimental parameter.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of a control circuit according to the present invention.
FIG. 3 is a control schematic diagram of the microwave test chamber.
Fig. 4 is a control schematic diagram of a platinum resistor temperature acquisition module.
Fig. 5 is a schematic structural view of the water circulation spiral glass tube in fig. 1.
Fig. 6 is a schematic structural diagram of the water circulation cooling device in fig. 1.
FIG. 7 is a schematic view of a heating module.
Fig. 8 is a schematic structural view of the paddle module.
Fig. 9 is a schematic structural view of the beaker.
Fig. 10 is a matrix keyboard diagram of an eleven-key input keyboard.
Fig. 11 is a waveform diagram of a PWM wave.
FIG. 12 is a schematic diagram of a control circuit for a platinum resistor.
In the figure, 1 is a microwave test chamber, 2 is a water circulation spiral quartz glass tube, 3 is a stirring paddle, 4 is a platinum resistor, 5 is a heating rod, 6 is an equipment through hole, 7 is a beaker, 8 is a first solid state relay, 9 is a first pin, 10 is a magnetron, 11 is a common relay, 12 is a second pin, 13 is a third pin, 14 is a water circulation cooling device, 15 is a water pump, 16 is a water tank, 17 is a fourth pin, 18 is a second solid state relay, 19 is a fifth pin, 20 is a motor, 21 is a sixth pin, 22 is a fan, 23 is a power supply, 24 is a power supply anode, 25 is a ground terminal, 26 is a fixed resistor, 27 is a central processing chip, 28 is a liquid crystal display screen, 29 is an eleventh key input keyboard, 31 is a horizontal paddle, 32 is a paddle, 211 is a first vertical tube, 212 is a second vertical tube, and 213 is a spiral pipeline.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and fig. 9, a microwave desulfurization intelligence integration experiment system for high-sulfur coal, including microwave test box 1, water circulation spiral quartz glass pipe 2, stirring rake 3, platinum resistance 4 and heating rod 5, microwave test box 1's length and width height is 29cm x 30cm x 18cm, for realizing the stirring, functions such as temperature acquisition and temperature control, open at microwave test box 1's top center has the diameter to be 6 cm's circular equipment through-hole 6, beaker 7 has been placed to microwave test box 1's inside, beaker 7's opening sets up, hold reaction system solution in the beaker 7.
As shown in fig. 5, the water circulation spiral quartz glass tube 2 comprises a spiral pipe 213 disposed at the lower part, one end of the spiral pipe 213 is extended to form a first vertical pipe 211, the other end of the spiral pipe 213 is extended to form a second vertical pipe 212, the first vertical pipe 211 and the second vertical pipe 212 are arranged in parallel, the water circulation spiral quartz glass tube 2 passes through the device through hole 6 and then extends into the microwave test chamber 1, the spiral pipe 213 is disposed completely in the beaker 7, and the spiral pipe 213 is disposed around the inner wall of the beaker 7.
As shown in fig. 1 and 12, the platinum resistor 4 passes through the device through hole 6 and then extends into the microwave test chamber 1, the lower part of the platinum resistor 4 is placed in the beaker 7, one end of the platinum resistor 4 is connected with the power supply anode 24, the other end of the platinum resistor 4 is connected in series with the fixed resistor 26, the fixed resistor 26 is connected with the ground terminal 25, and the signal terminal of the platinum resistor 4 is connected with the third pin 13. The platinum resistor 4 collects the temperature of the reaction system solution in the beaker 7, and the resistance value of the platinum resistor 4 changes with the change of the solution temperature. When the temperature of the reaction system solution is changed, the resistance R of the platinum resistor 4 1 Also varied, fixed resistor 26R 2 Voltage U across 2 Also changed, U 2 With R 1 Is increased by a decrease of, i.e. U 2 The fixed resistance 26R increases with the temperature 2 The upper end of the voltage reading circuit is connected with a pin with the singlechip A/D function, the voltage value is read back to the singlechip and then is quantized into a number, and the temperature reading is completed.
As shown in fig. 7, the heating rod 5 passes through the device through hole 6 and then extends into the microwave test chamber 1, the lower part of the heating rod 5 is placed in the beaker 7, the signal end of the heating rod 5 is connected with the second solid-state relay 18, and the second solid-state relay 18 is connected with the fifth pin 19.
As shown in fig. 8, the whole stirring paddle 3 is made of glass material, the stirring paddle 3 extends into the microwave test chamber 1 after penetrating through the device through hole 6, the bottom of the stirring paddle 3 is fixed with the horizontal paddle 31, the two ends of the horizontal paddle 31 are vertically fixed with the paddles 32, the horizontal paddle 31 and the paddles 32 at the two ends are arranged in the beaker 7, the top of the horizontal paddle 31 is connected with the output shaft of the motor 20, the reaction system solution is stirred by the driving of the motor 20, the rotating speed range of the stirring paddle 3 is 30r/min to 120r/min, the stirring paddle 3 enables the reaction system solution in the microwave test chamber 1 to react more fully, and the microwave irradiation and the temperature distribution in the microwave test chamber 1 are more uniform.
As shown in fig. 1, the microwave control module of the microwave test chamber 1 is connected to a first solid-state relay 8, and the first solid-state relay 8 is connected to a first pin 9.
The time control module of the microwave test box 1 is connected with a common relay 11, and the common relay 11 is connected with a second pin 12. Ordinary relay 11 realizes the accurate control of the length of time to the experiment, and second pin 12 is connected to the one end that ordinary relay 11 was normally opened, and the other end is established ties on the total power supply line of microwave oven, and the singlechip is opened the timer from the experiment when beginning, and second pin 122 sends the high level, and ordinary relay 11 intercommunication, system start work, and when reaching scheduled time, second pin 12 sends the low level, and ordinary relay 11 opens a way, finishes the experiment, and the whole time of experiment is shown on liquid crystal display.
The first vertical tube 211 of the water receiving circulation spiral quartz glass tube 2 is connected with the water circulation cooling device 14, and the water circulation cooling device 14 is connected with a fourth pin 17.
A driving module is disposed in the motor 20, and the driving module is connected to the sixth pin 21.
As shown in fig. 3 and 11, the first solid state relay 8 is connected in series with the magnetron 10 of the microwave test chamber 1, the magnetron 10 is connected in parallel with the fan 22 and the power supply 23, the first solid state relay 8 is further connected with the fan 22 and the normal relay 11, and the normal relay 11 is connected in series with the power supply 23. The first solid state relay 8 realizes the continuous adjustment of the second microwave power, the output end of the first pin 9 is connected in series with the power supply line of the microwave oven magnetron 10, when the input end of the first solid state relay 8 is at a low level, the output end of the first solid state relay 8 is open, when the input end of the first solid state relay 8 is at a high level, the output end of the first solid state relay 8 is communicated, and the single chip microcomputer sends out the PWM wave capable of continuously adjusting the duty ratio.
T is one period of the input waveform, T 1 For the high level time, i.e. the connection time of the solid state relay in one period T, the power of the magnetron 10 is set to P when the first solid state relay 8 is always connected MAX Power of magnetron 10 and t 1 The length is in direct proportion and can be adjusted by adjusting t 1 The length continuously adjusts the power of the magnetron 10.
As shown in fig. 6, the water circulation cooling device 14 includes a water pump 15 and a water tank 16, a water inlet pipe of the water pump 15 is communicated with the water tank 16, a water outlet pipe of the water pump 15 is communicated with a first vertical pipe 211 of the water circulation spiral quartz glass tube 2, a second vertical pipe 212 is communicated with the water tank 16, zero-degree water is contained in the water tank 16, and the highest liquid flow velocity at the inlet of the water circulation spiral quartz glass tube 2 can reach 0.4m/s. When the temperature of the reaction system solution is higher than the experimental target temperature, the water pump 15 is turned on, and when the temperature falls to or below the target temperature, the water pump 15 is turned off.
As shown in fig. 4, the platinum resistor 4 is a thermistor type resistor.
The stirring speed of the stirring paddle 3 is 30r/min-120r/min.
As shown in fig. 2, the liquid crystal display includes a central processing chip 27, a liquid crystal display screen 28, and an eleven-key input keyboard 29.
The central processing chip 27 is an atmege128 single chip microcomputer.
The liquid crystal display screen 28 is a 128cm × 64cm liquid crystal display screen 28, the invention adopts an MzLH04-12864 serial SPI character library LCD module, occupies 5 pins of a singlechip, uses the coordinate position of a serial input character pattern and specific numbers or Chinese characters, and is divided into two stages. The first stage is a setting stage, and a display screen visually displays various items of data (read back by a keyboard) which are initially input, namely microwave power, target temperature and stirring speed. The second stage is an experiment operation stage, and the liquid crystal screen displays the temperature, the remaining time length and various initialized and input data of the solution of the reaction system in real time after the experiment begins (convenient for comparative observation).
As shown in fig. 10, the ten-key input keyboard 29 uses a 3 × 4 matrix keyboard, representing 0 to 9 and one confirm key (K12 invalid), respectively, for the keyboard hardware. K1 to K11 correspond to the numbers 0 to 9, respectively, and the nodes are turned on when the input keyboard is pressed. The keyboard utilizes 7 common pins of a singlechip, acquires key numbers in a short-time progressive scanning mode, the pins P1 to P4 are set to be in an output mode, the pins P5 to P7 adopt an input mode, when the keyboard starts to input, the pins P1 to P4 only output high level P1, the pins P5 to P7 detect which is high level, if the pin P6 is high level, the key is judged to be pressed down by K2, and 1 corresponding to the number K2 is input. Next, P2, P3, P4 are scanned for the same reason as P1.
Compared with the prior art, the invention has the following specific beneficial effects:
the system can realize continuous adjustment of microwave power of a microwave test box 1 from 0-700W, realize control of liquid temperature through the synergistic effect of a water circulation system and a heating rod 5, stir reaction system solution through a stirring paddle 3 of 30r/min-120r/min to enable the temperature of the reaction solution to be uniformly distributed, carry out intelligent keyboard input on target temperature, action time, stirring speed and power, display the temperature, the action time, the stirring speed and the power on a liquid crystal display screen, and carry out experimental research more intelligently through accurately controlling each experimental condition and experimental parameter.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included therein.
Claims (6)
1. The microwave desulfurization intelligent integrated experimental system for the high-sulfur coal is characterized by comprising a microwave test box (1), a water circulation spiral quartz glass tube (2), a stirring paddle (3), a platinum resistor (4) and a heating rod (5), wherein an equipment through hole (6) is formed in the center of the top of the microwave test box (1), a beaker (7) is placed in the microwave test box (1), and an opening of the beaker (7) is arranged upwards;
the water circulation spiral quartz glass tube (2) comprises a spiral pipeline (213) arranged at the lower part, one end of the spiral pipeline (213) extends to form a first vertical tube (211), the other end of the spiral pipeline (213) extends to form a second vertical tube (212), the first vertical tube (211) and the second vertical tube (212) are arranged in parallel, the water circulation spiral quartz glass tube (2) penetrates through the equipment through hole (6) and then extends into the microwave test box (1), the spiral pipeline (213) is completely arranged in the beaker (7), and the spiral pipeline (213) is arranged around the inner wall of the beaker (7);
the platinum resistor (4) penetrates through the equipment through hole (6) and then extends into the microwave test box (1), the lower part of the platinum resistor (4) is arranged in the beaker (7), and the signal end of the platinum resistor (4) is connected with the third pin (13);
the heating rod (5) penetrates through the equipment through hole (6) and then extends into the microwave test box (1), the lower part of the heating rod (5) is arranged in the beaker (7), the signal end of the heating rod (5) is connected with the second solid-state relay (18), and the second solid-state relay (18) is connected with the fifth pin (19);
the stirring paddle (3) penetrates through the equipment through hole (6) and then extends into the microwave test box (1), the bottom of the stirring paddle (3) is fixed with horizontal slurry (31), two ends of the horizontal slurry (31) are vertically fixed with blades (32), the horizontal slurry (31) and the blades (32) at the two ends are arranged in the beaker (7), and the top of the horizontal slurry (31) is connected with an output shaft of the motor (20).
2. The microwave desulfurization intelligent integrated experimental system for the high-sulfur coal as claimed in claim 1, wherein the microwave control module of the microwave test chamber (1) is connected with a first solid-state relay (8), and the first solid-state relay (8) is connected with a first pin (9);
a time control module of the microwave test box (1) is connected with a common relay (11), and the common relay (11) is connected with a second pin (12);
a first vertical pipe (211) of the water circulation spiral quartz glass tube (2) is connected with a water circulation cooling device (14), and the water circulation cooling device (14) is connected with a fourth pin (17);
a driving module is arranged in the motor (20), and the driving module is connected with the sixth pin (21).
3. The microwave desulfurization intelligent integrated experimental system for the high-sulfur coal as claimed in claim 2, wherein the first solid-state relay (8) is connected in series with a magnetron (10) of the microwave test box (1), the magnetron (10) is connected in parallel with a fan (22) and a power supply (23), the first solid-state relay (8) is further connected with the fan (22) and a common relay (11) respectively, and the common relay (11) is connected in series with the power supply (23).
4. The microwave desulfurization intelligent integrated experimental system for high-sulfur coal according to claim 3, characterized in that the water circulation cooling device (14) comprises a water pump (15) and a water tank (16), wherein a water inlet pipe of the water pump (15) is communicated with the water tank (16), a water outlet pipe of the water pump (15) is communicated with a first vertical pipe (211) of the water circulation spiral quartz glass tube (2), and a second vertical pipe (212) is communicated with the water tank (16).
5. The microwave desulfurization intelligent integrated experimental system for high-sulfur coal according to claim 4, characterized in that the platinum resistor (4) is a thermistor-type resistor.
6. The intelligent integrated experimental system for microwave desulfurization of high-sulfur coal according to claim 5, wherein the stirring speed of the stirring paddle (3) is 30-120 r/min.
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20170620 Assignee: Shanxi Xinran Technology Co.,Ltd. Assignor: TAIYUAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2024140000012 Denomination of invention: Intelligent integrated experimental system for microwave desulfurization of high sulfur coal Granted publication date: 20230324 License type: Exclusive License Record date: 20240327 |
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